* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-purple: #667eea;
            --primary-purple-light: #818cf8;
            --primary-purple-dark: #5b21b6;
            --secondary-purple: #764ba2;
            --accent-pink: #ec4899;
            --accent-green: #10b981;
            --dark-bg: #000000;
            --dark-surface: #0a0a0a;
            --dark-card: #1a1a1a;
            --text-white: #FFFFFF;
            --text-gray: #86868b;
            --text-light: #f5f5f7;
        }
        * {
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Outfit', 'Segoe UI', Roboto, sans-serif;
            background: var(--dark-bg);
            color: var(--text-white);
            overflow-x: hidden;
            line-height: 1.47059;
            letter-spacing: -0.022em;
            font-weight: 400;
        }
        html {
            scroll-behavior: smooth;
        }
        /* Animated Background - Apple Style */
        .animated-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            background: 
                radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(118, 75, 162, 0.08) 0%, transparent 50%),
                linear-gradient(180deg, #000000 0%, #0a0a0a 100%);
        }
        .animated-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: 
                radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.05) 0%, transparent 50%);
            animation: bgFloat 15s ease-in-out infinite;
        }
        @keyframes bgFloat {
            0%, 100% { 
                transform: translateY(0) scale(1);
                opacity: 0.5;
            }
            50% { 
                transform: translateY(-20px) scale(1.1);
                opacity: 0.8;
            }
        }
        /* Navigation - Apple Style */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            padding: 1.25rem 0;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: saturate(180%) blur(20px);
            -webkit-backdrop-filter: saturate(180%) blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.5s cubic-bezier(0.28, 0.11, 0.32, 1);
        }
        nav.scrolled {
            background: rgba(0, 0, 0, 0.92);
            padding: 0.75rem 0;
        }
        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 4rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-white);
            text-decoration: none;
            letter-spacing: -0.5px;
            transition: opacity 0.3s ease;
        }
        .logo:hover {
            opacity: 0.7;
        }
        .nav-links {
            display: flex;
            gap: 3rem;
            list-style: none;
            align-items: center;
        }
        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 400;
            font-size: 0.875rem;
            transition: opacity 0.3s ease;
            position: relative;
        }
        .nav-links a:hover {
            opacity: 0.7;
        }
        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
            z-index: 1001;
        }
        .mobile-menu-toggle:focus {
            outline: none;
        }
        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, 0.98);
            backdrop-filter: blur(20px);
            z-index: 1000;
            padding: 5rem 2rem 2rem;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .mobile-menu.active {
            transform: translateX(0);
        }
        .mobile-menu-close {
            position: absolute;
            top: 1.5rem;
            right: 2rem;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 2rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-menu-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .mobile-menu-links li {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 1rem;
        }
        .mobile-menu-links a {
            color: var(--text-white);
            text-decoration: none;
            font-size: 1.125rem;
            font-weight: 500;
            display: block;
            padding: 0.75rem 0;
            transition: color 0.3s ease;
        }
        .mobile-menu-links a:hover {
            color: var(--primary-purple);
        }
        .mobile-menu-links .nav-cta {
            background: var(--primary-purple);
            color: white;
            padding: 1rem 1.5rem;
            border-radius: 980px;
            text-align: center;
            margin-top: 1rem;
        }
        .nav-cta {
            padding: 0.5rem 1.25rem;
            background: var(--primary-purple);
            color: white;
            border-radius: 980px;
            text-decoration: none;
            font-weight: 400;
            font-size: 0.875rem;
            transition: all 0.3s ease;
        }
        .nav-cta:hover {
            background: var(--primary-purple-light);
        }
        /* Hero Section - Apple Style */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 8rem 1.5rem 4rem;
            text-align: center;
            z-index: 1;
            perspective: 2000px;
            transform-style: preserve-3d;
        }
        .hero-content {
            max-width: 980px;
            margin: 0 auto 4rem;
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            padding: 0.35rem 0.875rem;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 980px;
            color: var(--primary-purple-light);
            font-size: 0.75rem;
            font-weight: 400;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
        }
        .hero-badge:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .hero h1 {
            font-size: clamp(2.5rem, 7vw, 5.5rem);
            font-weight: 600;
            line-height: 1.08;
            margin-bottom: 1.5rem;
            color: var(--text-white);
            letter-spacing: -0.015em;
        }
        .hero h1 .gradient-text {
            background: linear-gradient(90deg, var(--primary-purple), var(--secondary-purple), var(--accent-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .subtitle {
            font-size: clamp(1.125rem, 2.5vw, 1.75rem);
            color: var(--text-gray);
            margin-bottom: 2.5rem;
            line-height: 1.47059;
            letter-spacing: 0.007em;
            font-weight: 400;
        }
        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            padding: 0.75rem 1.75rem;
            background: var(--primary-purple);
            color: white;
            border: none;
            border-radius: 980px;
            font-weight: 400;
            font-size: 1.0625rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }
        .btn-primary:hover {
            background: var(--primary-purple-light);
        }
        .btn-secondary {
            padding: 0.75rem 1.75rem;
            background: transparent;
            color: var(--primary-purple);
            border: none;
            border-radius: 980px;
            font-weight: 400;
            font-size: 1.0625rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }
        .btn-secondary:hover {
            text-decoration: underline;
            }
        /* Phone Showcase - Apple Style Premium */
        .phone-showcase {
            position: relative;
            width: 100%;
            max-width: 380px;
            margin: 4rem auto 0;
            perspective: 3000px;
            transform-style: preserve-3d;
            will-change: transform;
        }
        .phone-3d {
            position: relative;
            width: 100%;
            transform-style: preserve-3d;
            animation: floatPhone 6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
            will-change: transform;
        }
        @keyframes floatPhone {
            0%, 100% { 
                transform: translateY(0) rotateY(-3deg) rotateX(3deg) scale(1);
            }
            25% { 
                transform: translateY(-15px) rotateY(1deg) rotateX(-1deg) scale(1.01);
            }
            50% { 
                transform: translateY(-30px) rotateY(3deg) rotateX(-3deg) scale(1.02);
            }
            75% { 
                transform: translateY(-15px) rotateY(1deg) rotateX(-1deg) scale(1.01);
            }
        }
        .phone-3d::before {
            content: '';
            position: absolute;
            inset: -20px;
            background: radial-gradient(circle at center, rgba(102, 126, 234, 0.3) 0%, transparent 70%);
            filter: blur(40px);
            opacity: 0.6;
            z-index: -1;
            animation: glowPulse 4s ease-in-out infinite;
        }
        @keyframes glowPulse {
            0%, 100% { opacity: 0.4; transform: scale(1); }
            50% { opacity: 0.8; transform: scale(1.1); }
        }
        .phone-3d[data-parallax] {
            transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .phone-frame-3d {
            position: relative;
            width: 100%;
            aspect-ratio: 9 / 19.5;
            background: linear-gradient(145deg, #1a1a1a 0%, #0a0a0a 50%, #1a1a1a 100%);
            border-radius: 65px;
            padding: 10px;
            box-shadow: 
                0 100px 200px rgba(0, 0, 0, 0.8),
                0 50px 100px rgba(102, 126, 234, 0.2),
                0 0 0 1px rgba(255, 255, 255, 0.1),
                inset 0 0 0 1px rgba(255, 255, 255, 0.08),
                inset 0 2px 8px rgba(255, 255, 255, 0.15);
            overflow: hidden;
            transition: all 0.8s cubic-bezier(0.28, 0.11, 0.32, 1);
            position: relative;
        }
        .phone-frame-3d::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 65px;
            padding: 1px;
            background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0.1) 100%);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }
        .phone-frame-3d::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 35%;
            height: 25px;
            background: #000000;
            border-radius: 0 0 20px 20px;
            z-index: 10;
        }
        .phone-frame-3d:hover {
            box-shadow: 
                0 120px 240px rgba(0, 0, 0, 0.9),
                0 60px 120px rgba(102, 126, 234, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.15),
                inset 0 0 0 1px rgba(255, 255, 255, 0.12);
            transform: scale(1.03) translateY(-5px);
        }
        .phone-screen-3d {
            position: relative;
            width: 100%;
            height: 100%;
            background: #000000;
            border-radius: 52px;
            overflow: hidden;
            position: relative;
        }
        .phone-screen-3d::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 50px;
            background: linear-gradient(180deg, rgba(0,0,0,0.8) 0%, transparent 100%);
            z-index: 5;
            pointer-events: none;
        }
        .phone-screen-content {
            position: absolute;
            inset: 0;
            background-image: url('https://images.unsplash.com/photo-1555774698-0b77e0d5fac6?w=400&h=800&fit=crop&q=95&auto=format');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 1;
            transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .phone-frame-3d:hover .phone-screen-content {
            transform: scale(1.05);
        }
        .phone-screen-content::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 30% 20%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(118, 75, 162, 0.12) 0%, transparent 50%);
            z-index: 1;
        }
        .phone-screen-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0.3) 100%);
            z-index: 2;
        }
        .app-preview {
            position: absolute;
            inset: 0;
            padding: 3.5rem 1.75rem 2rem;
            overflow-y: auto;
            z-index: 3;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .app-preview::-webkit-scrollbar {
            display: none;
        }
        .preview-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
        }
        .preview-title {
            font-size: 1.375rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }
        .preview-goal {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(30px) saturate(180%);
            -webkit-backdrop-filter: blur(30px) saturate(180%);
            border-radius: 20px;
            padding: 1.5rem;
            box-shadow: 
                0 10px 40px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.2);
            transition: all 0.4s cubic-bezier(0.28, 0.11, 0.32, 1);
            position: relative;
            overflow: hidden;
        }
        .preview-goal::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-purple), var(--secondary-purple));
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .preview-goal:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 
                0 20px 60px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(255, 255, 255, 0.3);
        }
        .preview-goal:hover::before {
            opacity: 1;
        }
        .preview-goal-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .preview-goal-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }
        .preview-goal-title {
            font-weight: 700;
            color: #1d1d1f;
            font-size: 1rem;
            letter-spacing: -0.3px;
        }
        .preview-progress {
            height: 8px;
            background: rgba(0, 0, 0, 0.06);
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }
        .preview-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary-purple), var(--secondary-purple), var(--accent-pink));
            border-radius: 10px;
            animation: progressAnim 2s ease;
            box-shadow: 0 0 15px rgba(102, 126, 234, 0.6);
            position: relative;
        }
        .preview-progress-fill::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            animation: shimmer 2s infinite;
        }
        @keyframes progressAnim {
            from { width: 0; }
        }
        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }
        .preview-progress-fill[data-width="75"] { width: 75%; }
        .preview-progress-fill[data-width="60"] { width: 60%; }
        .preview-progress-fill[data-width="90"] { width: 90%; }
        /* Features - Apple Style */
        .features {
            padding: 6rem 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .section-title {
            text-align: center;
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-white);
            letter-spacing: -0.015em;
            line-height: 1.08;
        }
        .section-subtitle {
            text-align: center;
            font-size: clamp(1.0625rem, 2vw, 1.5rem);
            color: var(--text-gray);
            margin-bottom: 4rem;
            line-height: 1.47059;
            letter-spacing: 0.007em;
            font-weight: 400;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        .feature-card {
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 18px;
            padding: 2rem;
            transition: all 0.5s cubic-bezier(0.28, 0.11, 0.32, 1);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at top right, rgba(102, 126, 234, 0.1), transparent);
            opacity: 0;
            transition: opacity 0.5s ease;
        }
        .feature-card:hover {
            transform: translateY(-8px) scale(1.02);
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(102, 126, 234, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            margin-bottom: 1.25rem;
            transition: all 0.5s ease;
        }
        .feature-card:hover .feature-icon {
            transform: scale(1.1);
            background: rgba(102, 126, 234, 0.3);
        }
        .feature-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            letter-spacing: -0.012em;
        }
        .feature-card p {
            color: var(--text-gray);
            line-height: 1.47059;
            font-size: 1rem;
            letter-spacing: 0.007em;
            font-weight: 400;
        }
        /* How It Works */
        .how-it-works {
            padding: 8rem 4rem;
            background: var(--dark-surface);
            position: relative;
            z-index: 1;
        }
        .how-it-works-container {
            max-width: 1400px;
            margin: 0 auto;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }
        .step-card {
            background: var(--dark-card);
            border: 1px solid rgba(102, 126, 234, 0.15);
            border-radius: 20px;
            padding: 2.5rem;
            text-align: center;
            transition: all 0.3s ease;
        }
        .step-card:hover {
            transform: translateY(-5px);
            border-color: rgba(102, 126, 234, 0.4);
            box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
        }
        .step-number {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.5rem;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            font-weight: 700;
            color: white;
        }
        .step-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .step-card p {
            color: var(--text-gray);
            line-height: 1.7;
            font-size: 1rem;
        }
        /* Challenge Section - Topluluk Hedefleri */
        .challenges {
            padding: 8rem 4rem;
            background: var(--dark-surface);
            position: relative;
            z-index: 1;
        }
        .challenges-container {
            max-width: 1400px;
            margin: 0 auto;
        }
        .challenge-categories {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 3rem;
            margin-bottom: 3rem;
        }
        .category-btn {
            padding: 0.75rem 1.5rem;
            background: var(--dark-card);
            border: 1px solid rgba(102, 126, 234, 0.2);
            border-radius: 50px;
            color: var(--text-gray);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9375rem;
        }
        .category-btn:hover, .category-btn.active {
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            border-color: var(--primary-purple);
            color: white;
            transform: translateY(-2px);
        }
        .challenges-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }
        .challenge-card {
            background: var(--dark-card);
            border: 1px solid rgba(102, 126, 234, 0.15);
            border-radius: 20px;
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
        }
        .challenge-card:hover {
            transform: translateY(-5px);
            border-color: rgba(102, 126, 234, 0.4);
            box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
        }
        .challenge-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 1.5rem;
        }
        .challenge-creator {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .creator-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: white;
            font-size: 0.875rem;
            flex-shrink: 0;
            border: 2px solid rgba(255,255,255,0.2);
            background-size: cover;
            background-position: center;
        }
        .creator-avatar.photo-1 {
            background-image: url('https://images.unsplash.com/photo-1494790108377-be9c29b29330?w=100&h=100&fit=crop&q=80');
        }
        .creator-avatar.photo-2 {
            background-image: url('https://images.unsplash.com/photo-1507003211169-0a1dd7228f2d?w=100&h=100&fit=crop&q=80');
        }
        .creator-avatar.photo-3 {
            background-image: url('https://images.unsplash.com/photo-1438761681033-6461ffad8d80?w=100&h=100&fit=crop&q=80');
        }
        .creator-avatar.photo-4 {
            background-image: url('https://images.unsplash.com/photo-1500648767791-00dcc994a43e?w=100&h=100&fit=crop&q=80');
        }
        .creator-avatar.photo-5 {
            background-image: url('https://images.unsplash.com/photo-1534528741775-53994a69daeb?w=100&h=100&fit=crop&q=80');
        }
        .creator-avatar.photo-6 {
            background-image: url('https://images.unsplash.com/photo-1506794778202-cad84cf45f1d?w=100&h=100&fit=crop&q=80');
        }
        .creator-info {
            display: flex;
            flex-direction: column;
        }
        .creator-name {
            font-weight: 600;
            font-size: 0.9375rem;
        }
        .challenge-date {
            font-size: 0.8125rem;
            color: var(--text-gray);
        }
        .difficulty-badge {
            padding: 0.375rem 0.875rem;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .difficulty-badge.easy {
            background: rgba(16, 185, 129, 0.2);
            color: #10b981;
            border: 1px solid rgba(16, 185, 129, 0.3);
        }
        .difficulty-badge.medium {
            background: rgba(249, 115, 22, 0.2);
            color: #f97316;
            border: 1px solid rgba(249, 115, 22, 0.3);
        }
        .difficulty-badge.hard {
            background: rgba(239, 68, 68, 0.2);
            color: #ef4444;
            border: 1px solid rgba(239, 68, 68, 0.3);
        }
        .challenge-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .challenge-card p {
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            font-size: 0.9375rem;
        }
        .challenge-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .challenge-stat {
            text-align: center;
            padding: 1rem;
            background: rgba(102, 126, 234, 0.1);
            border-radius: 12px;
        }
        .stat-icon {
            font-size: 1.25rem;
            margin-bottom: 0.5rem;
        }
        .challenge-stat-number {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-purple);
            margin-bottom: 0.25rem;
        }
        .challenge-stat-label {
            font-size: 0.75rem;
            color: var(--text-gray);
        }
        .participants-preview {
            margin-bottom: 1.5rem;
        }
        .participants-avatars {
            display: flex;
            align-items: center;
            gap: -10px;
            margin-bottom: 0.75rem;
        }
        .participant-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            color: white;
            border: 2px solid var(--dark-card);
            margin-left: -8px;
            background-size: cover;
            background-position: center;
        }
        .participant-avatar:first-child {
            margin-left: 0;
        }
        .more-participants {
            margin-left: 0.5rem;
            font-size: 0.8125rem;
            color: var(--text-gray);
            font-weight: 600;
        }
        .leaderboard-preview {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            font-size: 0.8125rem;
            color: var(--text-gray);
        }
        .leaderboard-preview span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .challenge-actions {
            display: flex;
            gap: 1rem;
        }
        .join-challenge-btn, .view-details-btn {
            flex: 1;
            padding: 0.875rem 1.5rem;
            border-radius: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            font-size: 0.9375rem;
        }
        .join-challenge-btn {
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            color: white;
        }
        .join-challenge-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
        }
        .view-details-btn {
            background: transparent;
            border: 1px solid rgba(102, 126, 234, 0.3);
            color: var(--primary-purple);
        }
        .view-details-btn:hover {
            border-color: var(--primary-purple);
            background: rgba(102, 126, 234, 0.1);
        }
        /* Discover Section - Keşfet */
        .discover {
            padding: 8rem 4rem;
            position: relative;
            z-index: 1;
        }
        .discover-container {
            max-width: 1400px;
            margin: 0 auto;
        }
        .discover-tabs {
            display: flex;
            gap: 1rem;
            justify-content: center;
            margin-top: 3rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .tab-btn {
            padding: 0.75rem 2rem;
            background: var(--dark-card);
            border: 1px solid rgba(102, 126, 234, 0.2);
            border-radius: 50px;
            color: var(--text-gray);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9375rem;
        }
        .tab-btn:hover, .tab-btn.active {
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            border-color: var(--primary-purple);
            color: white;
        }
        .discover-filters {
            margin-bottom: 3rem;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto 1.5rem;
        }
        .search-box input {
            width: 100%;
            padding: 1rem 1.5rem;
            background: var(--dark-card);
            border: 1px solid rgba(102, 126, 234, 0.2);
            border-radius: 50px;
            color: var(--text-white);
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--primary-purple);
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }
        .search-box input::placeholder {
            color: var(--text-gray);
        }
        .hashtag-filters {
            display: flex;
            gap: 0.75rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hashtag-chip {
            padding: 0.5rem 1rem;
            background: rgba(102, 126, 234, 0.15);
            border: 1px solid rgba(102, 126, 234, 0.3);
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary-purple);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .hashtag-chip:hover {
            background: rgba(102, 126, 234, 0.25);
            border-color: var(--primary-purple);
            transform: translateY(-2px);
        }
        .discover-content {
            display: block;
        }
        .discover-content.hidden {
            display: none;
        }
        .discover-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        .discover-goal-card {
            background: var(--dark-card);
            border: 1px solid rgba(102, 126, 234, 0.15);
            border-radius: 24px;
            padding: 1.75rem;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .discover-goal-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-purple), var(--secondary-purple));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .discover-goal-card:hover {
            transform: translateY(-8px) scale(1.02);
            border-color: rgba(102, 126, 234, 0.5);
            box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
        }
        .discover-goal-card:hover::before {
            transform: scaleX(1);
        }
        .goal-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 1.25rem;
            gap: 1rem;
        }
        .goal-creator {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex: 1;
        }
        .goal-creator img {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
            display: block;
            border: 2px solid rgba(102, 126, 234, 0.3);
        }
        .goal-creator span {
            font-weight: 600;
            font-size: 0.9375rem;
            color: var(--text-white);
        }
        .goal-category {
            padding: 0.5rem 1rem;
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
            border: 1px solid rgba(102, 126, 234, 0.4);
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--primary-purple);
            white-space: nowrap;
        }
        .discover-goal-card h3 {
            font-size: 1.375rem;
            font-weight: 700;
            margin-bottom: 0.875rem;
            line-height: 1.4;
            background: linear-gradient(135deg, var(--text-white) 0%, var(--primary-purple-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .discover-goal-card p {
            color: var(--text-gray);
            line-height: 1.6;
            margin-bottom: 1.25rem;
            font-size: 0.875rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .goal-stats {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin-bottom: 1rem;
            padding: 1rem;
            background: rgba(102, 126, 234, 0.08);
            border-radius: 12px;
            border: 1px solid rgba(102, 126, 234, 0.15);
        }
        .goal-stats span {
            font-size: 0.8125rem;
            color: var(--text-gray);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
        }
        .goal-hashtags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 1.25rem;
        }
        .goal-hashtags span {
            padding: 0.375rem 0.875rem;
            background: rgba(102, 126, 234, 0.12);
            border: 1px solid rgba(102, 126, 234, 0.25);
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary-purple);
            transition: all 0.3s ease;
        }
        .goal-hashtags span:hover {
            background: rgba(102, 126, 234, 0.2);
            border-color: var(--primary-purple);
            transform: translateY(-2px);
        }
        .join-btn {
            width: 100%;
            padding: 1rem;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            border: none;
            border-radius: 16px;
            color: white;
            font-weight: 700;
            font-size: 0.9375rem;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        .join-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }
        .join-btn:hover::before {
            width: 300px;
            height: 300px;
        }
        .join-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(102, 126, 234, 0.5);
        }
        .join-btn:active {
            transform: translateY(-1px);
        }
        /* Collaborative Goals */
        .collaborative {
            padding: 8rem 4rem;
            background: var(--dark-surface);
            position: relative;
            z-index: 1;
        }
        .collaborative-container {
            max-width: 1400px;
            margin: 0 auto;
        }
        .collaborative-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            margin-top: 4rem;
        }
        .collaborative-visual {
            position: relative;
            height: 600px;
            overflow: visible;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2rem;
        }
        .collaborative-phone {
            position: relative;
            width: 280px;
            height: 560px;
            background: linear-gradient(145deg, #1a1a1a 0%, #0a0a0a 50%, #1a1a1a 100%);
            border-radius: 55px;
            padding: 10px;
            box-shadow: 
                0 60px 140px rgba(0, 0, 0, 0.7),
                0 30px 70px rgba(102, 126, 234, 0.15),
                0 0 0 1px rgba(255, 255, 255, 0.1),
                inset 0 0 0 1px rgba(255, 255, 255, 0.08),
                inset 0 2px 6px rgba(255, 255, 255, 0.12);
            transition: all 0.8s cubic-bezier(0.28, 0.11, 0.32, 1);
            will-change: transform;
        }
        .collaborative-phone::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 55px;
            padding: 1px;
            background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0.1) 100%);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }
        .collaborative-phone::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 35%;
            height: 20px;
            background: #000000;
            border-radius: 0 0 18px 18px;
            z-index: 10;
        }
        .collaborative-phone:nth-child(1) {
            z-index: 2;
            transform: rotate(-10deg) translateY(-25px);
            animation: phoneFloat1 5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
            will-change: transform;
        }
        
        .collaborative-phone:nth-child(1) .collaborative-goal-preview {
            transition-delay: 0s;
        }
        .collaborative-phone:nth-child(1)::before {
            content: '';
            position: absolute;
            inset: -15px;
            background: radial-gradient(circle at center, rgba(102, 126, 234, 0.25) 0%, transparent 70%);
            filter: blur(30px);
            opacity: 0.5;
            z-index: -1;
            animation: glowPulse1 3s ease-in-out infinite;
        }
        .collaborative-phone:nth-child(2) {
            z-index: 1;
            transform: rotate(10deg) translateY(25px);
            animation: phoneFloat2 5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
            will-change: transform;
        }
        
        .collaborative-phone:nth-child(2) .collaborative-goal-preview {
            transition-delay: 0.2s;
        }
        .collaborative-phone:nth-child(2)::before {
            content: '';
            position: absolute;
            inset: -15px;
            background: radial-gradient(circle at center, rgba(118, 75, 162, 0.25) 0%, transparent 70%);
            filter: blur(30px);
            opacity: 0.5;
            z-index: -1;
            animation: glowPulse2 3.5s ease-in-out infinite;
        }
        @keyframes phoneFloat1 {
            0%, 100% { 
                transform: rotate(-10deg) translateY(-25px) scale(1);
            }
            25% { 
                transform: rotate(-8deg) translateY(-35px) scale(1.01);
            }
            50% { 
                transform: rotate(-6deg) translateY(-40px) scale(1.02);
            }
            75% { 
                transform: rotate(-8deg) translateY(-35px) scale(1.01);
            }
        }
        @keyframes phoneFloat2 {
            0%, 100% { 
                transform: rotate(10deg) translateY(25px) scale(1);
            }
            25% { 
                transform: rotate(8deg) translateY(35px) scale(1.01);
            }
            50% { 
                transform: rotate(6deg) translateY(40px) scale(1.02);
            }
            75% { 
                transform: rotate(8deg) translateY(35px) scale(1.01);
            }
        }
        @keyframes glowPulse1 {
            0%, 100% { opacity: 0.3; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.15); }
        }
        @keyframes glowPulse2 {
            0%, 100% { opacity: 0.3; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.15); }
        }
        .collaborative-phone:hover {
            box-shadow: 
                0 80px 180px rgba(0, 0, 0, 0.8),
                0 40px 90px rgba(102, 126, 234, 0.25),
                0 0 0 1px rgba(255, 255, 255, 0.15);
        }
        .collaborative-phone:nth-child(1):hover {
            transform: rotate(-8deg) translateY(-25px) scale(1.06) !important;
        }
        .collaborative-phone:nth-child(2):hover {
            transform: rotate(8deg) translateY(25px) scale(1.06) !important;
        }
        .collaborative-phone-screen {
            position: relative;
            width: 100%;
            height: 100%;
            background: #000000;
            border-radius: 42px;
            overflow: hidden;
        }
        .collaborative-screen-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 1;
            transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .collaborative-phone:nth-child(1) .collaborative-screen-bg {
            background-image: url('https://images.unsplash.com/photo-1555774698-0b77e0d5fac6?w=400&h=800&fit=crop&q=95&auto=format');
        }
        .collaborative-phone:nth-child(2) .collaborative-screen-bg {
            background-image: url('https://images.unsplash.com/photo-1555774698-0b77e0d5fac6?w=400&h=800&fit=crop&q=95&auto=format');
        }
        .collaborative-phone:hover .collaborative-screen-bg {
            transform: scale(1.05);
        }
        .collaborative-screen-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: 
                radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(118, 75, 162, 0.12) 0%, transparent 50%);
            z-index: 1;
        }
        .collaborative-screen-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.05) 50%, rgba(0,0,0,0.2) 100%);
            z-index: 2;
        }
        .collaborative-preview {
            position: absolute;
            inset: 0;
            padding: 2.5rem 1.25rem 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            z-index: 3;
            overflow-y: auto;
        }
        .collaborative-preview::-webkit-scrollbar {
            display: none;
        }
        .collaborative-request {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(30px) saturate(180%);
            -webkit-backdrop-filter: blur(30px) saturate(180%);
            border-radius: 20px;
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            box-shadow: 
                0 10px 40px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.2);
            margin-top: 0.5rem;
            transition: all 0.4s cubic-bezier(0.28, 0.11, 0.32, 1);
        }
        .collaborative-request:hover {
            transform: translateY(-2px);
            box-shadow: 
                0 15px 50px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(255, 255, 255, 0.3);
        }
        .collaborative-request-info {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .collaborative-request-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            color: #fff;
            background-size: cover;
            background-position: center;
            border: 3px solid rgba(255, 255, 255, 0.4);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .collaborative-request-avatar.photo-1 {
            background-image: url('https://images.unsplash.com/photo-1494790108377-be9c29b29330?w=100&h=100&fit=crop&q=80');
        }
        .collaborative-request-text {
            font-size: 0.875rem;
            color: #1d1d1f;
            font-weight: 600;
            line-height: 1.5;
            letter-spacing: -0.1px;
        }
        .collaborative-request-actions {
            display: flex;
            gap: 0.5rem;
            justify-content: flex-end;
        }
        .collaborative-request-btn {
            padding: 0.5rem 1rem;
            border-radius: 980px;
            border: none;
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .collaborative-request-btn.accept {
            background: #10b981;
            color: #fff;
        }
        .collaborative-request-btn.accept:hover {
            background: #059669;
            transform: scale(1.05);
        }
        .collaborative-request-btn.decline {
            background: #ef4444;
            color: #fff;
        }
        .collaborative-request-btn.decline:hover {
            background: #dc2626;
            transform: scale(1.05);
        }
        .collaborative-goal-preview {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(30px) saturate(180%);
            -webkit-backdrop-filter: blur(30px) saturate(180%);
            border-radius: 20px;
            padding: 1.25rem;
            box-shadow: 
                0 10px 40px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.2);
            transition: all 0.4s cubic-bezier(0.28, 0.11, 0.32, 1);
            position: relative;
            overflow: hidden;
        }
        .collaborative-goal-preview::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-purple), var(--secondary-purple));
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .collaborative-goal-preview:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 
                0 20px 60px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(255, 255, 255, 0.3);
        }
        .collaborative-goal-preview:hover::before {
            opacity: 1;
        }
        .collaborative-goal-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
        }
        .collaborative-goal-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }
        .collaborative-goal-title {
            font-weight: 600;
            color: #1d1d1f;
            font-size: 0.9375rem;
            letter-spacing: -0.2px;
        }
        .collaborative-participants {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 0.5rem;
        }
        .collaborative-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            color: white;
            border: 3px solid rgba(255,255,255,0.95);
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .collaborative-avatar.photo-2 {
            background-image: url('https://images.unsplash.com/photo-1507003211169-0a1dd7228f2d?w=100&h=100&fit=crop&q=80');
        }
        .collaborative-avatar.photo-1 {
            background-image: url('https://images.unsplash.com/photo-1494790108377-be9c29b29330?w=100&h=100&fit=crop&q=80');
        }
        .collaborative-avatar.photo-3 {
            background-image: url('https://images.unsplash.com/photo-1438761681033-6461ffad8d80?w=100&h=100&fit=crop&q=80');
        }
        .collaborative-avatar:nth-child(2) {
            margin-left: -10px;
        }
        .collaborative-avatar:nth-child(3) {
            margin-left: -10px;
        }
        .collaborative-text {
            position: relative;
            z-index: 3;
        }
        .collaborative-text h3 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        .collaborative-text p {
            color: var(--text-gray);
            line-height: 1.8;
            font-size: 1.125rem;
            margin-bottom: 2rem;
        }
        .collaborative-features {
            list-style: none;
        }
        .collaborative-features li {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
            color: var(--text-light);
        }
        .collaborative-features li::before {
            content: '✓';
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.875rem;
            flex-shrink: 0;
        }
        /* FAQ */
        .faq {
            padding: 8rem 4rem;
            position: relative;
            z-index: 1;
        }
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-list {
            margin-top: 4rem;
        }
        .faq-item {
            background: var(--dark-card);
            border: 1px solid rgba(102, 126, 234, 0.2);
            border-radius: 16px;
            margin-bottom: 1rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item.active {
            border-color: var(--primary-purple);
        }
        .faq-question {
            padding: 1.5rem 2rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.125rem;
            transition: color 0.3s ease;
        }
        .faq-question:hover {
            color: var(--primary-purple);
        }
        .faq-icon {
            font-size: 1.5rem;
            transition: transform 0.3s ease;
            color: var(--primary-purple);
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
        }
        .faq-answer-content {
            padding: 0 2rem 1.5rem;
            color: var(--text-gray);
            line-height: 1.7;
        }
        /* CTA */
        .cta {
            padding: 8rem 4rem;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-content {
            max-width: 800px;
            margin: 0 auto;
        }
        .cta h2 {
            font-size: clamp(3rem, 6vw, 5rem);
            font-weight: 900;
            margin-bottom: 2rem;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cta p {
            font-size: 1.25rem;
            color: var(--text-gray);
            margin-bottom: 3rem;
        }
        /* Footer */
        .footer {
            padding: 4rem 2rem 2rem;
            border-top: 1px solid rgba(102, 126, 234, 0.2);
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.6) 100%);
            position: relative;
            z-index: 1;
        }
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .footer-brand img {
            height: 48px;
            width: auto;
            display: block;
        }
        .footer-brand p {
            color: var(--text-gray);
            font-size: 0.9375rem;
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-section {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .footer-section h3 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .footer-links a {
            color: var(--text-gray);
            text-decoration: none;
            font-size: 0.9375rem;
            font-weight: 400;
            transition: all 0.3s ease;
            display: inline-block;
        }
        .footer-links a:hover {
            color: var(--primary-purple);
            transform: translateX(4px);
        }
        .footer-social {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .footer-social h3 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .social-links {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .social-link {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(102, 126, 234, 0.1);
            border: 1px solid rgba(102, 126, 234, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-white);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .social-link:hover {
            background: var(--primary-purple);
            border-color: var(--primary-purple);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
        }
        .social-link svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }
        .footer-newsletter {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .footer-newsletter h3 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .footer-newsletter p {
            color: var(--text-gray);
            font-size: 0.875rem;
            line-height: 1.5;
        }
        .newsletter-form {
            display: flex;
            gap: 0.5rem;
            flex-direction: column;
        }
        .newsletter-input {
            padding: 0.875rem 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(102, 126, 234, 0.2);
            border-radius: 12px;
            color: var(--text-white);
            font-size: 0.9375rem;
            transition: all 0.3s ease;
            min-height: 44px;
        }
        .newsletter-input:focus {
            outline: none;
            border-color: var(--primary-purple);
            background: rgba(255, 255, 255, 0.08);
        }
        .newsletter-input::placeholder {
            color: var(--text-gray);
        }
        .newsletter-btn {
            padding: 0.875rem 1.5rem;
            background: var(--primary-purple);
            border: none;
            border-radius: 12px;
            color: white;
            font-weight: 600;
            font-size: 0.9375rem;
            cursor: pointer;
            transition: all 0.3s ease;
            min-height: 44px;
        }
        .newsletter-btn:hover {
            background: var(--primary-purple-light);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
        }
        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(102, 126, 234, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .footer-copyright {
            color: var(--text-gray);
            font-size: 0.875rem;
        }
        .footer-legal {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .footer-legal a {
            color: var(--text-gray);
            text-decoration: none;
            font-size: 0.875rem;
            transition: color 0.3s ease;
        }
        .footer-legal a:hover {
            color: var(--primary-purple);
        }
        
        /* Footer Responsive */
        @media (max-width: 1200px) {
            .footer-main {
                grid-template-columns: 2fr 1fr 1fr 1.5fr;
            }
            .footer-newsletter {
                grid-column: 1 / -1;
            }
        }
        
        @media (max-width: 968px) {
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 2.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-newsletter {
                grid-column: 1 / -1;
            }
        }
        
        @media (max-width: 768px) {
            .footer {
                padding: 3rem 1.5rem 1.5rem;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-brand {
                grid-column: 1;
            }
            .footer-section h3 {
                font-size: 0.9375rem;
            }
            .footer-links a {
                font-size: 0.875rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .footer-legal {
                flex-direction: column;
                gap: 0.75rem;
            }
            .newsletter-form {
                flex-direction: column;
            }
            .newsletter-btn {
                width: 100%;
            }
        }
        
        @media (max-width: 480px) {
            .footer {
                padding: 2.5rem 1rem 1rem;
            }
            .footer-main {
                gap: 1.5rem;
            }
            .social-links {
                gap: 0.75rem;
            }
            .social-link {
                width: 40px;
                height: 40px;
            }
        }
        /* Banner Sections - Apple Style */
        .banner-section {
            padding: 6rem 1.5rem;
            position: relative;
            overflow: hidden;
            z-index: 1;
            perspective: 1500px;
            transform-style: preserve-3d;
            will-change: transform;
        }
        .banner-container {
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .banner-gradient {
            position: absolute;
            inset: 0;
            background: 
                radial-gradient(circle at 30% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
            z-index: 1;
        }
        .banner-background {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.4;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .banner-background::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 50%, rgba(0, 0, 0, 0.7) 100%);
        }
        .banner-content {
            position: relative;
            z-index: 2;
        }
        .banner-title {
            font-size: clamp(2rem, 4vw, 3.5rem);
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-white);
            letter-spacing: -0.015em;
            line-height: 1.08;
        }
        .banner-subtitle {
            font-size: clamp(1.0625rem, 2vw, 1.5rem);
            color: var(--text-gray);
            margin-bottom: 2.5rem;
            line-height: 1.47059;
            letter-spacing: 0.007em;
            font-weight: 400;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .banner-button {
            display: inline-block;
            padding: 0.75rem 2rem;
            background: var(--primary-purple);
            color: white;
            border-radius: 980px;
            text-decoration: none;
            font-weight: 400;
            font-size: 1.0625rem;
            transition: all 0.3s ease;
        }
        .banner-button:hover {
            background: var(--primary-purple-light);
            transform: scale(1.05);
        }
        /* Apple-style Scroll Animations */
        .fade-in {
            opacity: 0;
            transform: translateY(40px) scale(0.95);
            transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                        transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            will-change: opacity, transform;
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
        
        /* Stagger animation for cards */
        .feature-card.fade-in,
        .challenge-card.fade-in,
        .step-card.fade-in {
            transition-delay: 0s;
        }
        .feature-card.fade-in.visible:nth-child(1) { transition-delay: 0.1s; }
        .feature-card.fade-in.visible:nth-child(2) { transition-delay: 0.2s; }
        .feature-card.fade-in.visible:nth-child(3) { transition-delay: 0.3s; }
        .feature-card.fade-in.visible:nth-child(4) { transition-delay: 0.4s; }
        .feature-card.fade-in.visible:nth-child(5) { transition-delay: 0.5s; }
        .feature-card.fade-in.visible:nth-child(6) { transition-delay: 0.6s; }
        
        /* Section titles animation */
        .section-title {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                        transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .section-title.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .section-subtitle {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s,
                        transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s;
        }
        .section-subtitle.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Sticky sections */
        .sticky-section {
            position: relative;
        }
        
        /* Smooth section transitions */
        section {
            position: relative;
            overflow: hidden;
        }
        
        /* Journey Section: App Showcase Parallax */
        .journey-section {
            position: relative;
            min-height: 100vh;
            padding: 8rem 2rem;
            overflow: hidden;
            background: var(--dark-bg);
        }
        
        .journey-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }
        
        .journey-bg-layer {
            position: absolute;
            top: -20%;
            left: 0;
            width: 100%;
            height: 140%;
            background: radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
            will-change: transform;
        }
        
        .journey-bg-layer:nth-child(2) {
            background: radial-gradient(circle at 30% 70%, rgba(118, 75, 162, 0.12) 0%, transparent 60%);
        }
        
        .journey-bg-layer:nth-child(3) {
            background: radial-gradient(circle at 70% 30%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
        }
        
        .journey-container {
            position: relative;
            z-index: 2;
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
        
        /* Phone Showcase */
        .journey-phone {
            position: relative;
            will-change: transform;
        }
        
        .phone-frame {
            position: relative;
            width: 100%;
            max-width: 350px;
            margin: 0 auto;
            background: linear-gradient(145deg, #1a1a1a 0%, #0a0a0a 100%);
            border-radius: 40px;
            padding: 12px;
            box-shadow: 
                0 50px 120px rgba(0, 0, 0, 0.8),
                0 0 0 8px rgba(255, 255, 255, 0.1),
                inset 0 0 80px rgba(102, 126, 234, 0.2);
        }
        
        .phone-screen-app {
            width: 100%;
            aspect-ratio: 9/19.5;
            background: linear-gradient(180deg, #0a0a0f 0%, #14141f 100%);
            border-radius: 32px;
            padding: 2rem 1.5rem;
            overflow: hidden;
            position: relative;
        }
        
        .app-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
        }
        
        .app-title {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .app-date {
            font-size: 0.875rem;
            color: var(--text-gray);
        }
        
        .app-goals {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        
        .app-goal-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(102, 126, 234, 0.2);
            border-radius: 16px;
            padding: 1rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .app-goal-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .goal-icon-app {
            font-size: 2rem;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(102, 126, 234, 0.2);
            border-radius: 12px;
        }
        
        .goal-info {
            flex: 1;
        }
        
        .goal-name {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        
        .goal-progress-app {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .progress-bar-app {
            flex: 1;
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
            overflow: hidden;
        }
        
        .progress-fill-app {
            height: 100%;
            background: linear-gradient(90deg, var(--primary-purple), var(--secondary-purple));
            border-radius: 3px;
            width: 0%;
            transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .progress-fill-app.animate {
            width: var(--progress-width);
        }
        
        .progress-text {
            font-size: 0.75rem;
            color: var(--text-gray);
            min-width: 35px;
        }
        
        .app-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
        }
        
        .stat-item {
            text-align: center;
            padding: 1rem;
            background: rgba(102, 126, 234, 0.1);
            border-radius: 12px;
            border: 1px solid rgba(102, 126, 234, 0.2);
            opacity: 0;
            transform: scale(0.8);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .stat-item.visible {
            opacity: 1;
            transform: scale(1);
        }
        
        .stat-value {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.25rem;
        }
        
        .stat-label {
            font-size: 0.75rem;
            color: var(--text-gray);
        }
        
        /* Content Side */
        .journey-content {
            will-change: transform;
        }
        
        .journey-title {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 700;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--text-white) 0%, var(--primary-purple-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .journey-title.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .journey-subtitle {
            font-size: clamp(1.125rem, 2vw, 1.5rem);
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 3rem;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
        }
        
        .journey-subtitle.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .journey-features {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        
        .feature-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(102, 126, 234, 0.15);
            border-radius: 16px;
            opacity: 0;
            transform: translateX(-30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .feature-item.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .feature-item:nth-child(1) { transition-delay: 0.1s; }
        .feature-item:nth-child(2) { transition-delay: 0.2s; }
        .feature-item:nth-child(3) { transition-delay: 0.3s; }
        
        .feature-icon {
            font-size: 2rem;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
            border-radius: 16px;
        }
        
        .feature-text {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-white);
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .journey-container {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
            
            .journey-phone {
                order: -1;
            }
        }
        
        @media (max-width: 768px) {
            .journey-section {
                padding: 4rem 1.5rem;
            }
            
            .phone-frame {
                max-width: 280px;
            }
            
            .app-stats {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .journey-user {
                width: 150px;
                height: 225px;
            }
            .journey-icon {
                width: 80px;
                height: 80px;
                font-size: 2.5rem;
                top: 10%;
                right: 10%;
            }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .phone-showcase {
                order: -1;
            }
            .nav-container {
                padding: 0 2rem;
            }
            .features, .cta, .how-it-works, .faq, .challenges, .discover, .collaborative {
                padding: 4rem 2rem;
        }
            .features-grid, .challenges-grid, .discover-grid, .steps-grid {
                grid-template-columns: 1fr;
            }
            .collaborative-content {
                grid-template-columns: 1fr;
            }
            .collaborative-visual {
                height: 400px;
            }
            .discover-masonry {
                grid-template-columns: 1fr;
            }
        }
        /* Responsive Design */
        @media (max-width: 1200px) {
            .nav-container {
                padding: 0 2rem;
            }
            .features-grid, .challenges-grid, .discover-grid {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            }
            .collaborative-content {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-container {
                padding: 0 1.5rem;
            }
            .mobile-menu {
                display: block;
            }
            .hero {
                padding: 6rem 1.5rem 4rem;
                flex-direction: column;
                text-align: center;
            }
            .hero-content {
                max-width: 100%;
                margin-bottom: 3rem;
            }
            .hero h1 {
                font-size: clamp(2.5rem, 8vw, 4rem);
            }
            .phone-showcase {
                width: 100%;
                max-width: 300px;
            }
            .features, .how-it-works, .planning, .challenges, .discover, .collaborative, .faq, .cta, .banner-section {
                padding: 4rem 1.5rem;
            }
            .section-title {
                font-size: clamp(2rem, 6vw, 3rem);
            }
            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 3rem;
            }
            .features-grid, .challenges-grid, .discover-grid, .steps-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .challenge-categories, .discover-tabs {
                flex-wrap: wrap;
                gap: 0.75rem;
            }
            .category-btn, .tab-btn {
                padding: 0.625rem 1.25rem;
                font-size: 0.875rem;
            }
            .search-box {
                margin-bottom: 1rem;
            }
            .hashtag-filters {
                gap: 0.5rem;
            }
            .hashtag-chip {
                padding: 0.375rem 0.875rem;
                font-size: 0.8125rem;
            }
            .challenge-stats {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
            .challenge-actions {
                flex-direction: column;
            }
            .join-challenge-btn, .view-details-btn, .join-btn {
                width: 100%;
                min-height: 44px;
            }
            
            .btn-primary, .btn-secondary {
                min-height: 44px;
                padding: 0.875rem 1.75rem;
            }
            
            .nav-cta {
                min-height: 44px;
                padding: 0.625rem 1.25rem;
            }
            .collaborative-visual {
                height: 300px;
            }
            .collaborative-phone {
                width: 200px;
                height: 400px;
            }
            .faq-container {
                max-width: 100%;
            }
            .faq-question {
                padding: 1.25rem 1.5rem;
                font-size: 1rem;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 5rem 1rem 3rem;
            }
            .features, .how-it-works, .planning, .challenges, .discover, .collaborative, .faq, .cta {
                padding: 3rem 1rem;
            }
            .feature-card, .challenge-card, .discover-goal-card, .step-card {
                padding: 1.5rem;
            }
            .challenge-header, .goal-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .participants-avatars {
                flex-wrap: wrap;
            }
            .leaderboard-preview {
                font-size: 0.75rem;
            }
            
            .category-btn, .tab-btn, .hashtag-chip {
                min-height: 44px;
                padding: 0.75rem 1.25rem;
            }
            
            .search-box input {
                min-height: 44px;
                font-size: 1rem;
            }
        }
        
        /* Touch-friendly improvements */
        @media (hover: none) and (pointer: coarse) {
            /* Touch device optimizations */
            button, a, .btn-primary, .btn-secondary, .nav-cta,
            .join-challenge-btn, .view-details-btn, .join-btn,
            .category-btn, .tab-btn, .hashtag-chip {
                min-height: 44px;
                min-width: 44px;
            }
            
            input, textarea, select {
                min-height: 44px;
                font-size: 16px; /* Prevents zoom on iOS */
            }
        }