/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #007AFF;
    --primary-dark: #0051D5;
    --primary-light: #5AC8FA;
    --secondary-color: #5856D6;
    --accent-color: #FF2D55;
    --text-primary: #1C1C1E;
    --text-secondary: #6C6C70;
    --text-tertiary: #8E8E93;
    --background: #FFFFFF;
    --background-secondary: #F2F2F7;
    --background-tertiary: #F8F9FA;
    --border-color: #E5E5EA;
    --success-color: #34C759;
    --gradient-start: #007AFF;
    --gradient-mid: #5856D6;
    --gradient-end: #FF2D55;
    --gradient-purple: #AF52DE;
    --gradient-blue: #00D4FF;
    --shadow-sm: 0 2px 8px rgba(0, 122, 255, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 122, 255, 0.15);
    --shadow-lg: 0 16px 48px rgba(0, 122, 255, 0.2);
    --shadow-xl: 0 24px 64px rgba(88, 86, 214, 0.25);
    --shadow-color: 0 30px 80px rgba(88, 86, 214, 0.3);
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1280px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    overflow-x: hidden;
    position: relative;
}

/* Keyframe Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 122, 255, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 20px rgba(0, 122, 255, 0);
    }
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes ripple {
    from {
        width: 0;
        height: 0;
        opacity: 0.5;
    }
    to {
        width: 400px;
        height: 400px;
        opacity: 0;
    }
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 60px;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
    animation: fadeIn 0.6s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
}

.nav-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-cta {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gradient-mid) 0%, var(--gradient-end) 100%);
    opacity: 0;
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-color);
}

.nav-cta:hover::before {
    opacity: 1;
}

/* Hero Section */
.hero {
    padding: 160px 0 120px;
    background: linear-gradient(135deg, #FAFAFA 0%, #F0F4FF 40%, #FFF0F5 80%, #F5F0FF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.1) 0%, rgba(88, 86, 214, 0.05) 50%, transparent 70%);
    top: -300px;
    right: -250px;
    animation: float 10s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(175, 82, 222, 0.08) 0%, rgba(255, 45, 85, 0.04) 50%, transparent 70%);
    bottom: -200px;
    left: -200px;
    animation: float 12s ease-in-out infinite reverse;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 100px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 650px;
}

.hero-title {
    font-size: 68px;
    font-weight: 900;
    line-height: 1.08;
    margin-bottom: 32px;
    letter-spacing: -0.04em;
    animation: fadeInUp 0.8s ease 0.2s both;
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-end) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient 8s ease infinite;
    display: inline-block;
    position: relative;
}

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-end) 100%);
    background-size: 200% 200%;
    animation: gradient 8s ease infinite;
    border-radius: 3px;
    opacity: 0.3;
}

.hero-subtitle {
    font-size: 22px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    line-height: 1.75;
    animation: fadeInUp 0.8s ease 0.4s both;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 52px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 40px;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 17px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: var(--shadow-sm);
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 100%);
    color: white;
    box-shadow: 0 12px 32px rgba(0, 122, 255, 0.25);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gradient-mid) 0%, var(--gradient-purple) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 48px rgba(0, 122, 255, 0.35);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    border: 2px solid rgba(0, 122, 255, 0.25);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: white;
    border-color: var(--primary-color);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 40px rgba(0, 122, 255, 0.15);
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
}

.apple-logo {
    width: 20px;
    height: 20px;
}

.hero-features {
    display: flex;
    gap: 36px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.hero-feature:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.hero-feature-icon {
    width: 22px;
    height: 22px;
    color: var(--primary-color);
    transition: var(--transition);
}

.hero-feature:hover .hero-feature-icon {
    transform: scale(1.1);
}

.hero-image {
    position: relative;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-screenshot {
    width: 100%;
    max-width: 260px;
    height: auto;
    border-radius: 36px;
    box-shadow: 0 30px 80px rgba(0, 122, 255, 0.25),
                0 15px 40px rgba(88, 86, 214, 0.15);
    margin: 0 auto;
    display: block;
    animation: float 6s ease-in-out infinite;
    transition: var(--transition);
}

.hero-screenshot:hover {
    transform: scale(1.02) translateY(-5px);
    box-shadow: 0 40px 100px rgba(0, 122, 255, 0.3),
                0 20px 50px rgba(88, 86, 214, 0.2);
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    border: 1px solid rgba(0, 122, 255, 0.2);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease both;
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.1);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
    color: #FFD700;
    fill: #FFD700;
}

.hero-badge span {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
}

/* Floating Shapes */
.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 15s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.4) 0%, rgba(88, 86, 214, 0.4) 100%);
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(88, 86, 214, 0.3) 0%, rgba(175, 82, 222, 0.3) 100%);
    bottom: 20%;
    left: 15%;
    animation-delay: 5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, rgba(175, 82, 222, 0.3) 0%, rgba(255, 45, 85, 0.2) 100%);
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

/* Phone Mockup Glow */
.phone-mockup-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 36px;
    background: radial-gradient(circle at center, rgba(0, 122, 255, 0.4) 0%, transparent 70%);
    filter: blur(40px);
    animation: pulse 4s ease-in-out infinite;
    z-index: -1;
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--background) 0%, var(--background-secondary) 100%);
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-purple) 100%);
    transform: scaleX(0);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-color);
}

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

.stat-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.3);
}

.stat-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.stat-number {
    font-size: 42px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--background) 0%, var(--background-tertiary) 100%);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 52px;
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 70%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 21px;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background: white;
    backdrop-filter: blur(20px);
    padding: 48px 36px;
    border-radius: var(--border-radius-xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.03) 0%, rgba(88, 86, 214, 0.03) 100%);
    opacity: 0;
    transition: var(--transition);
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-purple) 100%);
    border-radius: var(--border-radius-xl);
    opacity: 0;
    z-index: -1;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-16px) scale(1.03);
    box-shadow: 0 24px 60px rgba(0, 122, 255, 0.2);
    border-color: transparent;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover::after {
    opacity: 0.15;
}

.feature-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 32px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-purple) 100%);
    background-size: 200% 200%;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.2);
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -4px;
    background: inherit;
    border-radius: inherit;
    opacity: 0.3;
    filter: blur(12px);
    z-index: -1;
}

.feature-card:hover .feature-icon {
    animation: gradient 3s ease infinite;
    transform: scale(1.15) rotate(8deg);
    box-shadow: 0 16px 40px rgba(0, 122, 255, 0.4);
}

.feature-icon svg {
    width: 36px;
    height: 36px;
    color: white;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.feature-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 18px;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.75;
    font-size: 16px;
    position: relative;
    z-index: 1;
    font-weight: 400;
}

/* Screenshots Section */
.screenshots {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--background-tertiary) 0%, #F5F7FF 50%, #F0F5FF 100%);
    position: relative;
    overflow: hidden;
}

.screenshots::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(88, 86, 214, 0.08) 0%, rgba(0, 122, 255, 0.04) 50%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 6s ease-in-out infinite;
}

.screenshots-carousel {
    display: flex;
    gap: 48px;
    overflow-x: auto;
    padding: 40px 10px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    position: relative;
    z-index: 1;
    scrollbar-width: none;
}

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

.screenshot-wrapper {
    flex: 0 0 auto;
    text-align: center;
    scroll-snap-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.screenshot-wrapper:hover {
    transform: translateY(-12px);
}

.screenshot {
    width: 300px;
    height: auto;
    border-radius: 38px;
    box-shadow: 0 24px 60px rgba(0, 122, 255, 0.22),
                0 12px 30px rgba(88, 86, 214, 0.12);
    transition: var(--transition);
    border: 5px solid white;
    position: relative;
}

.screenshot::before {
    content: '';
    position: absolute;
    inset: -8px;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.15) 0%, rgba(88, 86, 214, 0.15) 100%);
    border-radius: 42px;
    opacity: 0;
    filter: blur(20px);
    transition: var(--transition);
    z-index: -1;
}

.screenshot-wrapper:hover .screenshot {
    transform: scale(1.1);
    box-shadow: 0 36px 80px rgba(0, 122, 255, 0.3),
                0 18px 40px rgba(88, 86, 214, 0.18);
}

.screenshot-wrapper:hover .screenshot::before {
    opacity: 1;
}

.screenshot-caption {
    margin-top: 24px;
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.01em;
}

/* Privacy Section */
.privacy {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--background) 0%, var(--background-tertiary) 100%);
    position: relative;
}

.privacy-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 120px;
    align-items: center;
}

.privacy-description {
    font-size: 19px;
    color: var(--text-secondary);
    margin-bottom: 36px;
    line-height: 1.8;
}

.privacy-list {
    list-style: none;
    margin-bottom: 40px;
}

.privacy-list li {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 20px;
    font-size: 17px;
    color: var(--text-primary);
    transition: var(--transition);
}

.privacy-list li:hover {
    transform: translateX(8px);
}

.check-icon {
    width: 28px;
    height: 28px;
    color: var(--success-color);
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(52, 199, 89, 0.3));
}

.privacy-links {
    display: flex;
    gap: 28px;
}

.privacy-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
}

.privacy-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transition: var(--transition);
}

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

.privacy-shield {
    width: 180px;
    height: 180px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-purple) 100%);
    background-size: 200% 200%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(0, 122, 255, 0.3),
                0 10px 30px rgba(88, 86, 214, 0.2);
    animation: gradient 8s ease infinite, float 6s ease-in-out infinite;
    transition: var(--transition);
    position: relative;
}

.privacy-shield::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-mid) 0%, var(--gradient-end) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.privacy-shield:hover {
    transform: scale(1.05);
    box-shadow: 0 30px 80px rgba(0, 122, 255, 0.4),
                0 15px 40px rgba(88, 86, 214, 0.3);
}

.privacy-shield:hover::before {
    opacity: 0.5;
    inset: -6px;
    filter: blur(10px);
}

.privacy-shield svg {
    width: 90px;
    height: 90px;
    color: white;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-purple) 100%);
    background-size: 200% 200%;
    animation: gradient 15s ease infinite;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    top: -250px;
    right: -100px;
    animation: float 12s ease-in-out infinite;
}

.cta::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    bottom: -200px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 52px;
    font-weight: 800;
    color: white;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cta-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 48px;
    line-height: 1.6;
}

.cta .btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    animation: pulse 3s ease-in-out infinite;
}

.cta .btn-primary:hover {
    background: var(--background-secondary);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: none;
}

/* Footer */
.footer {
    padding: 80px 0 50px;
    background: linear-gradient(135deg, #1C1C1E 0%, #2C2C2E 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.1) 0%, transparent 70%);
    bottom: -150px;
    right: -100px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
    transition: var(--transition);
}

.footer-logo:hover {
    transform: scale(1.1) rotate(5deg);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light) 0%, var(--secondary-color) 100%);
    transition: var(--transition);
}

.footer-link:hover {
    color: white;
    transform: translateY(-2px);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 32px;
    }

    .hero-content {
        gap: 60px;
    }

    .hero-title {
        font-size: 56px;
    }

    .hero-screenshot {
        max-width: 240px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .feature-icon {
        width: 72px;
        height: 72px;
    }

    .privacy-shield {
        width: 160px;
        height: 160px;
    }

    .privacy-shield svg {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .nav-links {
        display: none;
    }

    .nav-logo {
        width: 36px;
        height: 36px;
    }

    .nav-title {
        font-size: 18px;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 56px;
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-title {
        font-size: 44px;
        margin-bottom: 24px;
    }

    .gradient-text::after {
        height: 4px;
    }

    .hero-subtitle {
        font-size: 19px;
        margin-bottom: 40px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 18px 32px;
    }

    .hero-features {
        flex-wrap: wrap;
        gap: 24px;
        justify-content: center;
    }

    .hero-screenshot {
        max-width: 220px;
    }

    .hero-badge {
        padding: 8px 16px;
    }

    .hero-badge span {
        font-size: 13px;
    }

    .floating-shape {
        display: none;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-card {
        padding: 32px 20px;
    }

    .stat-number {
        font-size: 36px;
    }

    .section-title {
        font-size: 40px;
    }

    .section-subtitle {
        font-size: 18px;
    }

    .features {
        padding: 80px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .feature-card {
        padding: 40px 32px;
    }

    .feature-icon {
        width: 70px;
        height: 70px;
    }

    .screenshots {
        padding: 80px 0;
    }

    .screenshots-carousel {
        gap: 28px;
        padding: 30px 10px;
    }

    .screenshot {
        width: 260px;
    }

    .privacy {
        padding: 80px 0;
    }

    .privacy-content {
        grid-template-columns: 1fr;
        gap: 56px;
    }

    .privacy-shield {
        width: 150px;
        height: 150px;
    }

    .privacy-shield svg {
        width: 75px;
        height: 75px;
    }

    .cta {
        padding: 90px 0;
    }

    .cta-title {
        font-size: 40px;
    }

    .cta-subtitle {
        font-size: 18px;
    }

    .footer {
        padding: 70px 0 40px;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 17px;
    }

    .hero-screenshot {
        max-width: 200px;
    }

    .btn {
        padding: 16px 28px;
        font-size: 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .stat-icon {
        width: 48px;
        height: 48px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .feature-card {
        padding: 32px 24px;
    }

    .feature-icon {
        width: 64px;
        height: 64px;
    }

    .feature-icon svg {
        width: 32px;
        height: 32px;
    }

    .screenshot {
        width: 200px;
    }

    .privacy-shield {
        width: 130px;
        height: 130px;
    }

    .privacy-shield svg {
        width: 65px;
        height: 65px;
    }

    .cta-title {
        font-size: 32px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Improve text rendering */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--background-secondary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--gradient-mid) 0%, var(--gradient-purple) 100%);
}