@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #21316C;
    --primary-light: #2d4090;
    --primary-dark: #1a2656;
    --primary-10: rgba(33, 49, 108, 0.10);
    --primary-12: rgba(33, 49, 108, 0.12);
    --primary-8: rgba(33, 49, 108, 0.08);

    --accent: #448AFF;
    --accent-light: #6ba3ff;

    --bg-scaffold: #F2F3F8;
    --bg-white: #FFFFFF;

    --text-darker: #17262A;
    --text-dark: #253840;
    --text-body: #4A6572;
    --text-muted: #767676;

    --card-border: #E5E7EB;
    --card-radius: 16px;
    --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    --card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.1);

    --success: #22C55E;
    --warning: #F59E0B;
    --error: #EF4444;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    color: var(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ==================== HEADER ==================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    z-index: 110;
}

.header-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.header-logo span {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.site-header.hero-visible .header-logo span {
    color: #fff;
}
.site-header.scrolled .header-logo span {
    color: var(--primary);
}

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

.header-nav a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-body);
    text-decoration: none;
    transition: color 0.2s ease;
    position: relative;
}

.site-header.hero-visible .header-nav a {
    color: rgba(255, 255, 255, 0.8);
}
.site-header.scrolled .header-nav a {
    color: var(--text-body);
}

.header-nav a:hover {
    color: var(--primary);
}
.site-header.hero-visible .header-nav a:hover {
    color: #fff;
}
.site-header.scrolled .header-nav a:hover {
    color: var(--primary);
}

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background-color: var(--primary);
    color: #fff;
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.header-cta:hover {
    background-color: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(33, 49, 108, 0.3);
}

.site-header.hero-visible .header-cta {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.site-header.hero-visible .header-cta:hover {
    background-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.site-header.scrolled .header-cta {
    background-color: var(--primary);
    border: none;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 110;
    color: var(--text-darker);
    font-size: 1.5rem;
}

.site-header.hero-visible .mobile-menu-btn {
    color: #fff;
}
.site-header.scrolled .mobile-menu-btn {
    color: var(--text-darker);
}

/* ==================== HERO ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 40%, #2d4090 70%, #3a5bc7 100%);
    overflow: hidden;
    padding: 100px 5% 60px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 120%;
    background: radial-gradient(ellipse, rgba(68, 138, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(58, 91, 199, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    width: 100%;
    max-width: 1200px;
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    font-weight: 500;
    backdrop-filter: blur(8px);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 4.5vw, 3.75rem);
    font-weight: 800;
    color: #fff;
    text-align: left;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-title .accent {
    background: linear-gradient(135deg, #88b4ff 0%, #c4daff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: left;
    max-width: 520px;
    line-height: 1.7;
    margin-bottom: 36px;
}

/* ==================== PHONE FRAME ==================== */
.phone-frame {
    position: relative;
    background: #1a1a1a;
    border-radius: 44px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Power button */
.phone-frame::after {
    content: '';
    position: absolute;
    right: -2px;
    top: 22%;
    width: 3px;
    height: 56px;
    background: #2a2a2a;
    border-radius: 0 2px 2px 0;
}

/* Volume rocker */
.phone-frame::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 18%;
    width: 3px;
    height: 28px;
    background: #2a2a2a;
    border-radius: 2px 0 0 2px;
    box-shadow: 0 40px 0 #2a2a2a;
}

.phone-frame img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 35px;
}

/* Hero gallery */
.hero-gallery {
    position: relative;
    flex-shrink: 0;
    width: 340px;
    z-index: 2;
}

/* iPhone mockup — image overlay */
.iphone-mockup {
    position: relative;
    width: 100%;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.45));
}

.iphone-frame-overlay {
    position: absolute;
    top: -1.5%;
    left: -3%;
    width: 106%;
    height: 103%;
    z-index: 2;
    pointer-events: none;
}

.hero-gallery .hero-slideshow {
    position: relative;
    width: 100%;
    aspect-ratio: 1206 / 2622;
    overflow: hidden;
    border-radius: 44px;
    background: #000;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out, transform 3s ease-in-out;
    transform: scale(1.04);
}

.hero-slide.active {
    opacity: 1;
    transform: scale(1);
}

.hero-slide-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.hero-slide-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-slide-dot.active {
    background: #fff;
    width: 24px;
    border-radius: 4px;
}

.hero-gallery-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 130%;
    height: 130%;
    background: radial-gradient(ellipse, rgba(68, 138, 255, 0.25) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.store-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.store-buttons a img {
    height: 64px;
    width: auto;
    transition: transform 0.2s ease;
}

.store-buttons a:hover img {
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    position: relative;
    z-index: 2;
}

.hero-stat {
    text-align: left;
}

.hero-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
}

.hero-stat-label {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
    font-weight: 500;
}

/* ==================== SECTIONS ==================== */
.section {
    padding: 100px 5%;
}

.section-alt {
    background-color: var(--bg-scaffold);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 9999px;
    background: var(--primary-8);
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--text-darker);
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 12px;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--text-body);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ==================== AI FEATURES ==================== */
.ai-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.ai-card {
    background: var(--bg-white);
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    padding: 32px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.ai-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.ai-card-icon.purple {
    background: rgba(126, 34, 206, 0.1);
    color: #7E22CE;
}
.ai-card-icon.blue {
    background: rgba(59, 130, 246, 0.1);
    color: #3B82F6;
}
.ai-card-icon.green {
    background: rgba(34, 197, 94, 0.1);
    color: #16A34A;
}

.ai-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-darker);
    letter-spacing: -0.01em;
}

.ai-card p {
    font-size: 0.9375rem;
    color: var(--text-body);
    line-height: 1.65;
}

.pro-badge {
    display: inline-flex;
    padding: 2px 10px;
    border-radius: 9999px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    vertical-align: middle;
    margin-left: 6px;
}

.ai-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.ai-card-tag {
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.ai-card-tag.purple {
    background: rgba(126, 34, 206, 0.08);
    color: #7E22CE;
}
.ai-card-tag.blue {
    background: rgba(59, 130, 246, 0.08);
    color: #3B82F6;
}
.ai-card-tag.green {
    background: rgba(34, 197, 94, 0.08);
    color: #16A34A;
}

/* ==================== SHOWCASE ==================== */
.showcase {
    display: flex;
    align-items: flex-start;
    gap: 64px;
    max-width: 1200px;
    margin: 0 auto;
}

.showcase-features {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.showcase-feature {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 24px;
    border-radius: 14px;
    background: var(--bg-white);
    border: 1px solid transparent;
    transition: all 0.3s ease;
    cursor: default;
}

.showcase-feature:hover {
    border-color: var(--card-border);
    box-shadow: var(--card-shadow);
}

.showcase-feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 12px;
    background: var(--primary-12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: var(--primary);
}

.showcase-feature h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-darker);
}

.showcase-feature p {
    font-size: 0.875rem;
    color: var(--text-body);
    margin-top: 4px;
    line-height: 1.5;
}

.showcase-phone {
    position: sticky;
    top: 100px;
    flex-shrink: 0;
    width: 300px;
}

.showcase-phone .phone-frame {
    filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.15));
}

/* ==================== FEATURE GRID ==================== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    padding: 28px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(33, 49, 108, 0.15);
}

.feature-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--primary-12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-darker);
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-body);
    line-height: 1.65;
}

/* ==================== APP CAROUSEL ==================== */
.carousel {
    width: 100%;
    overflow: hidden;
    position: relative;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
}

@keyframes carousel-scroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(calc(-9 * (var(--card-w) + var(--gap)))); }
}

.carousel-track {
    --card-w: 280px;
    --gap: 24px;
    display: flex;
    gap: var(--gap);
    width: max-content;
    animation: carousel-scroll 45s linear infinite;
}

.carousel:hover .carousel-track {
    animation-play-state: paused;
}

.carousel-card {
    flex-shrink: 0;
    width: var(--card-w);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--bg-scaffold);
}

.carousel-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.carousel-card img {
    width: 100%;
    height: auto;
    display: block;
}

@media (prefers-reduced-motion: reduce) {
    .carousel-track {
        animation-play-state: paused;
    }
    .carousel {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        -webkit-mask-image: none;
        mask-image: none;
    }
}

/* ==================== PRICING ==================== */
.pricing-grid {
    display: flex;
    gap: 32px;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    flex: 1;
    max-width: 420px;
    background: var(--bg-white);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px 36px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 4px 24px rgba(33, 49, 108, 0.12);
    position: relative;
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    border-radius: 9999px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-darker);
    margin-bottom: 12px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 4px;
}

.pricing-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-darker);
    letter-spacing: -0.03em;
    line-height: 1;
}

.pricing-period {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.pricing-alt {
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.pricing-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.pricing-cta {
    display: block;
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    text-align: center;
    font-size: 0.9375rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
    margin-bottom: 28px;
}

.pricing-cta.outline {
    background: var(--bg-white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.pricing-cta.outline:hover {
    background: var(--primary-8);
}

.pricing-cta.filled {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    border: 2px solid transparent;
}

.pricing-cta.filled:hover {
    box-shadow: 0 6px 20px rgba(33, 49, 108, 0.35);
    transform: translateY(-1px);
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--text-dark);
}

.pricing-features li i {
    color: var(--primary);
    font-size: 1rem;
    flex-shrink: 0;
}

.pricing-features li strong {
    font-weight: 600;
    color: var(--text-darker);
}

.pricing-footer-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 48px;
}

/* ==================== FAQ ==================== */
.faq-container {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(33, 49, 108, 0.15);
}

.faq-item.active {
    border-color: rgba(33, 49, 108, 0.2);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.faq-question span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-darker);
    line-height: 1.4;
}

.faq-question i {
    font-size: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 24px;
}

.faq-answer p {
    font-size: 0.9375rem;
    color: var(--text-body);
    line-height: 1.7;
    padding-bottom: 20px;
}

/* ==================== CONTACT ==================== */
.contact-section {
    text-align: center;
    padding: 80px 5%;
}

.contact-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-darker);
    margin-bottom: 16px;
}

.contact-desc {
    font-size: 1rem;
    color: var(--text-body);
    margin-bottom: 28px;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.contact-btn:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(33, 49, 108, 0.3);
}

/* ==================== FOOTER ==================== */
.site-footer {
    background: var(--primary-dark);
    color: #fff;
    padding: 64px 5% 32px;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 300px;
}

.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand-logo img {
    height: 36px;
    width: auto;
}

.footer-brand-logo span {
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
}

.footer-brand p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.footer-store-buttons {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.footer-store-buttons a img {
    height: 38px;
    width: auto;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.footer-store-buttons a:hover img {
    opacity: 1;
}

.footer-col h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    padding: 4px 0;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 24px auto 0;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ==================== ANIMATIONS ==================== */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== MOBILE MENU ==================== */
.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    max-width: 80vw;
    height: 100vh;
    height: 100dvh;
    background: var(--bg-white);
    z-index: 105;
    padding: 88px 24px 32px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu a {
    display: block;
    padding: 16px 0;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-darker);
    text-decoration: none;
    border-bottom: 1px solid var(--card-border);
    transition: color 0.2s;
}

.mobile-menu a:hover {
    color: var(--primary);
}

.mobile-menu .mobile-cta {
    display: block;
    margin-top: 24px;
    padding: 14px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    text-align: center;
    font-weight: 700;
    border: none;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .header-nav, .header-cta {
        display: none;
    }

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

    .hero-inner {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        align-items: center;
    }

    .hero-title {
        text-align: center;
    }

    .hero-subtitle {
        text-align: center;
    }

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

    .hero-gallery {
        width: 280px;
    }

    .ai-cards {
        grid-template-columns: 1fr;
        max-width: 480px;
    }

    .carousel-track {
        --card-w: 240px;
        --gap: 20px;
    }

    .showcase {
        flex-direction: column;
        align-items: center;
    }

    .showcase-phone {
        position: relative;
        top: 0;
        width: 260px;
        order: -1;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        flex-direction: column;
        align-items: center;
    }

    .pricing-card {
        max-width: 100%;
        width: 100%;
    }

    .footer-grid {
        flex-wrap: wrap;
    }

    .footer-brand {
        max-width: 100%;
        flex-basis: 100%;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 64px 5%;
    }

    .hero {
        padding: 100px 5% 48px;
    }

    .hero-gallery {
        width: 240px;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-stat-value {
        font-size: 1.375rem;
    }

    .store-buttons a img {
        height: 56px;
    }

    .carousel-track {
        --card-w: 200px;
        --gap: 16px;
    }

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

    .footer-grid {
        flex-direction: column;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}