/* ===== CSS RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --android-gradient: linear-gradient(135deg, #3ddc84 0%, #2bb673 100%);

    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.4);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ===== 3D BACKGROUND CANVAS ===== */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at top, #1a1a2e 0%, var(--bg-dark) 50%, var(--bg-darker) 100%);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: var(--spacing-sm) 0;
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    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: 700;
    font-family: var(--font-display);
    cursor: pointer;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.logo svg {
    filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.4));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--transition-base);
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg);
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 999;
}

.mobile-menu.active {
    display: flex;
    animation: slideDown var(--transition-base);
}

.mobile-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.mobile-nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

/* ===== BUTTONS ===== */
.btn-primary {
    padding: 12px 24px;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-base);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.btn-hero-primary {
    padding: 16px 32px;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all var(--transition-base);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.5);
}

.btn-hero-android {
    padding: 16px 32px;
    background: var(--android-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all var(--transition-base);
    box-shadow: 0 8px 24px rgba(61, 220, 132, 0.4);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-hero-android:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(61, 220, 132, 0.5);
}

.btn-hero-secondary {
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--spacing-xl)) var(--spacing-lg) var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

.hero-content {
    max-width: 1400px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
    animation: fadeInUp 1s var(--transition-base);
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    animation: fadeInUp 1s var(--transition-base) 0.2s backwards;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 1s var(--transition-base) 0.4s backwards;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    animation: fadeInUp 1s var(--transition-base) 0.6s backwards;
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-display);
}

.stat-label {
    color: var(--text-tertiary);
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
}

/* ===== FLOATING CARDS ===== */
.hero-visual {
    position: relative;
    height: 500px;
    animation: fadeIn 1s var(--transition-base) 0.8s backwards;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    right: 10%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: 4s;
}

.card-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.card-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 4px;
}

.card-amount {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--success-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-status {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

/* ===== SECTIONS ===== */
section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-label {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
}

.section-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== FEATURES SECTION ===== */
.features {
    background: linear-gradient(180deg, transparent 0%, rgba(102, 126, 234, 0.03) 50%, transparent 100%);
}

.features-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    cursor: pointer;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(102, 126, 234, 0.3);
}

.feature-icon {
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-display);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
}

/* ===== DEMO SECTION ===== */
.demo {
    background: var(--bg-darker);
}

.demo-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.demo-showcase {
    position: relative;
}

.phone-mockup {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.phone-frame {
    background: linear-gradient(145deg, #2d2d3a, #1a1a24);
    border-radius: 40px;
    padding: 12px;
    box-shadow:
        0 0 0 8px rgba(255, 255, 255, 0.05),
        0 30px 60px rgba(0, 0, 0, 0.5),
        inset 0 0 20px rgba(0, 0, 0, 0.3);
    position: relative;
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 25px;
    background: #1a1a24;
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.phone-screen {
    background: #000;
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 9/19.5;
}

.screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.screenshot.active {
    opacity: 1;
}

.demo-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.demo-btn {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-secondary);
}

.demo-btn:hover {
    background: var(--bg-card-hover);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

.demo-btn.active {
    background: rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.5);
    color: var(--text-primary);
}

.demo-btn-icon {
    font-size: 1.5rem;
}

.demo-btn-text {
    font-weight: 600;
}

.demo-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.demo-feature {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.demo-feature:hover {
    background: var(--bg-card-hover);
    transform: translateX(8px);
}

.demo-feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.demo-feature-content h4 {
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 700;
    margin-bottom: 4px;
}

.demo-feature-content p {
    color: var(--text-secondary);
    font-size: clamp(0.85rem, 1.5vw, 0.95rem);
}

/* ===== VIDEO SECTION ===== */
.video-section {
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
}

.video-container {
    max-width: 1200px;
    margin: 0 auto;
}

.video-content {
    text-align: center;
}

.video-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
}

.video-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.video-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.demo-video {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: block;
}

/* ===== DOWNLOAD SECTION ===== */
.download-section {
    background: linear-gradient(135deg, rgba(61, 220, 132, 0.1) 0%, rgba(43, 182, 115, 0.05) 100%);
    border-top: 1px solid rgba(61, 220, 132, 0.2);
}

.download-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.download-content {
    text-align: left;
}

.download-buttons {
    margin: var(--spacing-xl) 0;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 16px 32px;
    background: var(--android-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-base);
    box-shadow: 0 8px 24px rgba(61, 220, 132, 0.4);
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(61, 220, 132, 0.5);
}

.download-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-label {
    font-size: 0.75rem;
    opacity: 0.9;
}

.download-store {
    font-size: 1.2rem;
    font-weight: 700;
}

.download-note {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    font-style: italic;
}

.download-visual {
    position: relative;
}

.phone-showcase {
    position: relative;
    max-width: 350px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.phone-image {
    width: 100%;
    border-radius: 40px;
    animation: float 6s ease-in-out infinite;
}

/* ===== PRICING SECTION ===== */
.pricing-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.pricing-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(102, 126, 234, 0.3);
}

.pricing-card.featured {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-color: rgba(102, 126, 234, 0.3);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-12px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-gradient);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

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

.pricing-name {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-currency {
    font-size: 3.5rem;
    color: var(--text-secondary);
}

.price-amount {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-display);
}

.price-period {
    color: var(--text-tertiary);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: clamp(0.85rem, 1.5vw, 0.95rem);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.btn-pricing {
    width: 100%;
    padding: 16px;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-align: center;
    display: block;
    transition: all var(--transition-base);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

/* ===== CTA SECTION ===== */
.cta {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
}

.cta-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.btn-cta-primary {
    padding: 18px 36px;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all var(--transition-base);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.btn-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.5);
}

.btn-cta-secondary {
    padding: 18px 36px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-lg);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 400px;
    font-size: clamp(0.85rem, 1.5vw, 0.95rem);
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
    font-size: clamp(0.85rem, 1.5vw, 0.95rem);
}

.footer-section a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-links a {
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

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

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

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

    to {
        transform: rotate(360deg);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        order: 1;
    }

    .hero-visual {
        order: 2;
        height: 400px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

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

    .demo-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .download-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .download-content {
        text-align: center;
    }

    .download-buttons {
        display: flex;
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: calc(60px + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .btn-hero-primary,
    .btn-hero-android,
    .btn-hero-secondary {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
        width: 100%;
    }

    .hero-visual {
        height: 300px;
    }

    .floating-card {
        padding: var(--spacing-sm);
    }

    .card-icon {
        font-size: 2rem;
    }

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

    .demo-controls {
        flex-direction: column;
        width: 100%;
    }

    .demo-btn {
        width: 100%;
        justify-content: center;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .btn-cta-primary,
    .btn-cta-secondary {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .phone-mockup {
        max-width: 280px;
    }

    .download-text {
        align-items: center;
    }

    .btn-download {
        flex-direction: column;
        padding: 20px;
    }
}

/* =========================
   Download Modal
   ========================= */

.modal {
    position: fixed;
    inset: 0;
    display: none;              /* hidden by default */
    align-items: center;
    justify-content: center;
    z-index: 1000;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* When you want to show it, add .active via JS */
.modal.active {
    display: flex;
}

/* Dark overlay behind the modal */
.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 25, 0.65);
    backdrop-filter: blur(6px);
}

/* Modal box */
.modal-content {
    position: relative;
    z-index: 1;
    max-width: 480px;
    width: 90%;
    background: radial-gradient(circle at top left, #1f2937 0, #020617 40%, #020617 100%);
    border-radius: 20px;
    padding: 24px 24px 20px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
    color: #e5e7eb;
    border: 1px solid rgba(148, 163, 184, 0.35);
    animation: modal-slide-in 0.3s ease-out;
}

/* Close (X) button */
.modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    border: none;
    background: transparent;
    color: #9ca3af;
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
    border-radius: 999px;
    transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.modal-close:hover {
    background: rgba(148, 163, 184, 0.12);
    color: #e5e7eb;
    transform: scale(1.05);
}

/* Header area */
.modal-header {
    text-align: center;
    margin-bottom: 16px;
}

.modal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 999px;
    background: radial-gradient(circle at top, rgba(61, 220, 132, 0.2), transparent 60%);
    margin-bottom: 8px;
}

.modal-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #f9fafb;
    margin: 6px 0 2px;
}

.modal-subtitle {
    font-size: 0.9rem;
    color: #9ca3af;
    margin: 0;
}

/* Body */
.modal-body {
    display: grid;
    gap: 16px;
    margin-top: 8px;
}

.requirement-card {
    background: rgba(15, 23, 42, 0.8);
    border-radius: 16px;
    padding: 14px 14px 10px;
    border: 1px solid rgba(55, 65, 81, 0.8);
}

.requirement-card h3 {
    margin: 0 0 8px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #e5e7eb;
}

.requirement-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 6px;
}

.requirement-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.86rem;
    color: #d1d5db;
}

.requirement-list svg {
    flex-shrink: 0;
}

/* Version info row */
.download-info {
    display: flex;
    justify-content: center;
}

.info-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: #9ca3af;
    background: rgba(15, 23, 42, 0.9);
    border-radius: 999px;
    padding: 6px 10px;
    border: 1px solid rgba(55, 65, 81, 0.7);
    margin: 0;
}

.info-text svg {
    flex-shrink: 0;
}

/* Footer */
.modal-footer {
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.btn-modal-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    background: linear-gradient(135deg, #3ddc84, #2bb673);
    color: #022c22;
    box-shadow: 0 12px 30px rgba(34, 197, 94, 0.35);
    transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.btn-modal-download svg {
    flex-shrink: 0;
}

.btn-modal-download:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 38px rgba(34, 197, 94, 0.4);
    filter: brightness(1.05);
}

.btn-modal-download:active {
    transform: translateY(0);
    box-shadow: 0 8px 22px rgba(22, 163, 74, 0.35);
}

.modal-note {
    font-size: 0.8rem;
    color: #9ca3af;
    margin: 0;
}

/* Animation */
@keyframes modal-slide-in {
    from {
        opacity: 0;
        transform: translateY(14px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Small screens */
@media (max-width: 480px) {
    .modal-content {
        padding: 18px 16px 16px;
        max-width: 94%;
    }

    .modal-title {
        font-size: 1.2rem;
    }

    .requirement-card {
        padding: 12px;
    }
}