/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Colors */
    --primary-blue: #0066FF;
    --primary-purple: #8B5CF6;
    --dark-purple: #6D28D9;
    --light-blue: #3B82F6;
    --gradient-primary: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    --gradient-secondary: linear-gradient(135deg, #6366F1, #8B5CF6);
    --gradient-accent: linear-gradient(135deg, #EC4899, var(--primary-purple));
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --black: #000000;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: #FAFBFD;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

button {
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

/* ===================================
   Container & Utilities
   =================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-img {
    width: 100px;
    height: 100px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.25;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 450px;
    height: 450px;
    background: var(--gradient-primary);
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: var(--gradient-secondary);
    top: 50%;
    right: -100px;
    animation-delay: 2s;
}

.orb-3 {
    width: 500px;
    height: 500px;
    background: var(--gradient-accent);
    bottom: -250px;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(50px, 50px) scale(1.1);
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-purple);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.hero-badge i {
    color: var(--primary-blue);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: var(--spacing-xs);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 100%;
    max-width: 400px;
    animation: floatPhone 6s ease-in-out infinite;
}

@keyframes floatPhone {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.mockup-screen {
    width: 100%;
    border-radius: 2rem;
    box-shadow: var(--shadow-2xl);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-500);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--primary-blue);
    border-radius: var(--radius-full);
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    width: 4px;
    height: 8px;
    background: var(--primary-blue);
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: var(--radius-full);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

/* ===================================
   Features Section
   =================================== */
.features {
    padding: 6rem 0;
    background: #FFFFFF;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-purple);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 2rem;
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: #FFFFFF;
    border: 1px solid #E8EEF7;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 102, 255, 0.12);
    border-color: rgba(0, 102, 255, 0.2);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(139, 92, 246, 0.08));
    border-radius: 14px;
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1.25rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.15), rgba(139, 92, 246, 0.15));
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
    line-height: 1.4;
}

.feature-description {
    color: var(--gray-600);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
}

.feature-list i {
    color: var(--primary-blue);
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ===================================
   How It Works Section
   =================================== */
.how-it-works {
    padding: 6rem 0;
    background: #FAFBFD;
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.step-card {
    flex: 1;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 102, 255, 0.08);
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.15);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 800;
    border-radius: 50%;
    box-shadow: 0 8px 16px rgba(0, 102, 255, 0.25);
}

.step-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: none;
    border-radius: 20px;
    font-size: 1.875rem;
    color: var(--primary-blue);
    margin: var(--spacing-lg) auto var(--spacing-md);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-800);
}

.step-description {
    color: var(--gray-600);
}

.step-arrow {
    color: var(--primary-purple);
    font-size: 2rem;
    animation: slideRight 2s ease-in-out infinite;
}

@keyframes slideRight {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(10px);
    }
}

/* ===================================
   Screenshots Section
   =================================== */
.screenshots {
    padding: 6rem 0;
    background: #FFFFFF;
}

.screenshots-carousel {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    padding: var(--spacing-lg) 0;
    scroll-snap-type: x mandatory;
}

.screenshots-carousel::-webkit-scrollbar {
    display: none;
}

.screenshot-card {
    flex: 0 0 300px;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    scroll-snap-align: center;
    transition: all var(--transition-base);
}

.screenshot-card:hover {
    transform: scale(1.05);
}

.screenshot-card.featured {
    flex: 0 0 350px;
    transform: scale(1.1);
}

.screenshot-frame {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-xl);
}

.screenshot-frame img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.screenshot-info {
    text-align: center;
}

.screenshot-info h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.screenshot-info p {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    padding: 6rem 0;
    background: #FAFBFD;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 102, 255, 0.08);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.15);
}

.stars {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    color: #FCD34D;
    font-size: 1.25rem;
}

.testimonial-text {
    color: var(--gray-700);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-weight: 600;
    color: var(--gray-800);
}

.author-info p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* ===================================
   Download Section
   =================================== */
.download {
    padding: 6rem 0;
    background: #FFFFFF;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: 4rem;
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 102, 255, 0.08);
}

.download-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.download-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.store-button img {
    height: 60px;
    transition: var(--transition-base);
}

.store-button:hover img {
    transform: scale(1.05);
}

.download-info {
    display: flex;
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-600);
    font-size: 0.875rem;
}

.info-item i {
    color: var(--primary-blue);
}

.download-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.download-device-mockup {
    position: relative;
    animation: floatDevice 6s ease-in-out infinite;
}

.download-device-frame {
    position: relative;
    width: 260px;
    height: 530px;
    background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
    border-radius: 38px;
    padding: 10px;
    box-shadow: 
        0 30px 60px -15px rgba(0, 0, 0, 0.4),
        0 20px 40px -20px rgba(139, 92, 246, 0.3),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.download-device-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}

.download-screen-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.download-device-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 130px;
    height: 28px;
    background: #000;
    border-radius: 0 0 18px 18px;
    z-index: 10;
}

.download-device-notch::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 5px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo-img {
    width: 60px;
    height: 60px;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-description {
    color: var(--gray-300);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-300);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-newsletter-text {
    color: var(--gray-300);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-input {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--white);
    outline: none;
}

.newsletter-input::placeholder {
    color: var(--gray-400);
}

.newsletter-button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-sm);
}

.newsletter-button:hover {
    transform: scale(1.05);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-700);
}

.copyright {
    color: var(--gray-400);
}

.footer-badges {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-image {
        order: 2;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .download-buttons {
        justify-content: center;
    }
    
    .download-info {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 5rem 2rem;
        transition: var(--transition-base);
        box-shadow: var(--shadow-2xl);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .device-frame {
        width: 240px;
        height: 490px;
    }
    
    .showcase-frame {
        width: 280px;
        height: 570px;
    }
    
    .download-device-frame {
        width: 220px;
        height: 450px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .feature-card {
        padding: 1.75rem;
    }
    
    .feature-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
    
    .feature-title {
        font-size: 1.125rem;
    }
    
    .feature-description {
        font-size: 0.9rem;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .download-buttons {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .hero-feature-item {
        width: 100%;
        justify-content: center;
    }
    
    .container {
        padding: 0 1.25rem;
    }
    
    .features {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .download-info {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

/* ===================================
   Premium Device Mockup (Hero)
   =================================== */
.device-mockup {
    position: relative;
    perspective: 1000px;
    animation: floatDevice 6s ease-in-out infinite;
}

@keyframes floatDevice {
    0%, 100% {
        transform: translateY(0px) rotateY(-5deg);
    }
    50% {
        transform: translateY(-20px) rotateY(5deg);
    }
}

.device-frame {
    position: relative;
    width: 280px;
    height: 570px;
    background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
    border-radius: 40px;
    padding: 10px;
    box-shadow: 
        0 30px 60px -15px rgba(0, 0, 0, 0.4),
        0 20px 40px -20px rgba(0, 102, 255, 0.2),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.device-frame:hover {
    transform: translateY(-10px);
}

.device-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 35px;
    overflow: hidden;
    position: relative;
}

.screenshot-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slider-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slider-image.active {
    opacity: 1;
}

.device-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 30px;
    background: #000;
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.device-notch::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.device-buttons .power-button {
    position: absolute;
    right: -3px;
    top: 150px;
    width: 3px;
    height: 80px;
    background: linear-gradient(90deg, #444, #222);
    border-radius: 0 2px 2px 0;
}

.device-buttons .volume-buttons {
    position: absolute;
    left: -3px;
}

.device-buttons .volume-up,
.device-buttons .volume-down {
    width: 3px;
    height: 50px;
    background: linear-gradient(270deg, #444, #222);
    border-radius: 2px 0 0 2px;
    margin-bottom: 15px;
}

.device-buttons .volume-up {
    position: absolute;
    top: 120px;
}

.device-buttons .volume-down {
    position: absolute;
    top: 190px;
}

.device-shadow {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 280px;
    height: 30px;
    background: radial-gradient(ellipse at center, rgba(0, 102, 255, 0.3) 0%, transparent 70%);
    filter: blur(20px);
}

/* ===================================
   Hero Features (replacing stats)
   =================================== */
.hero-features {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    border: 1px solid rgba(0, 102, 255, 0.2);
    transition: all 0.3s ease;
}

.hero-feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 102, 255, 0.2);
    border-color: var(--primary-blue);
}

.hero-feature-item i {
    color: var(--primary-blue);
    font-size: 1.25rem;
}

.hero-feature-item span {
    color: var(--gray-700);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ===================================
   Features Carousel
   =================================== */
.features-carousel-wrapper {
    position: relative;
    padding: 0 60px;
}

.features-carousel {
    overflow: hidden;
    padding: 20px 0;
}

.features-track {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1.25rem;
    z-index: 10;
    transition: all 0.3s ease;
    cursor: pointer;
}

.carousel-nav:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 10px 25px rgba(0, 102, 255, 0.3);
}

.carousel-nav.prev {
    left: 0;
}

.carousel-nav.next {
    right: 0;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 2rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 102, 255, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: var(--primary-blue);
    width: 32px;
    border-radius: 6px;
}

.indicator:hover {
    background: var(--primary-blue);
    transform: scale(1.2);
}

/* ===================================
   Phone Showcase Section
   =================================== */
.phone-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    padding: 4rem 0;
}

.showcase-device {
    position: relative;
    animation: floatShowcase 8s ease-in-out infinite;
}

@keyframes floatShowcase {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-30px);
    }
}

.showcase-frame {
    position: relative;
    width: 320px;
    height: 650px;
    background: linear-gradient(145deg, #0a0a0a, #1f1f1f);
    border-radius: 45px;
    padding: 12px;
    box-shadow: 
        0 40px 80px -15px rgba(0, 0, 0, 0.5),
        0 30px 60px -20px rgba(139, 92, 246, 0.3),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.showcase-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 42px;
    overflow: hidden;
    position: relative;
}

.showcase-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.showcase-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1.1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.showcase-image.active {
    opacity: 1;
    transform: scale(1);
}

.showcase-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 170px;
    height: 35px;
    background: #000;
    border-radius: 0 0 25px 25px;
    z-index: 10;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
}

.showcase-notch::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 7px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}

.showcase-notch::after {
    content: '';
    position: absolute;
    top: 10px;
    right: 25px;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.8), transparent);
    border-radius: 50%;
}

.showcase-controls {
    display: flex;
    gap: 16px;
    align-items: center;
}

.control-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(139, 92, 246, 0.3);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.control-dot.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    width: 40px;
    border-radius: 7px;
    box-shadow: 0 5px 15px rgba(139, 92, 246, 0.4);
}

.control-dot:hover {
    background: var(--primary-purple);
    transform: scale(1.2);
}

.showcase-description {
    text-align: center;
    max-width: 600px;
    position: relative;
    min-height: 100px;
}

.description-item {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.description-item.active {
    opacity: 1;
    transform: translateY(0);
    position: relative;
}

.description-item h3 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.description-item p {
    font-size: 1.1rem;
    color: var(--gray-600);
    line-height: 1.6;
}