/* Reset and Base Styles */
:root {
    --brand-cyan: #00d4ff;
    --brand-blue: #3b82f6;
    --brand-violet: #8b5cf6;
    --brand-gradient: linear-gradient(
        135deg,
        var(--brand-cyan) 0%,
        var(--brand-blue) 50%,
        var(--brand-violet) 100%
    );
    --ink: #0f1729;
    --ink-soft: #4a5568;
    --ink-muted: #64748b;
    --surface: rgba(255, 255, 255, 0.86);
    --surface-strong: rgba(255, 255, 255, 0.96);
    --border-soft: rgba(148, 163, 184, 0.22);
    --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.12);
    --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.16);
    --radius-lg: 24px;
    --radius-md: 16px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family:
        "Inter",
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        "PingFang SC",
        "Noto Sans KR",
        "Noto Sans JP",
        "Noto Sans Arabic",
        "Noto Sans Devanagari",
        sans-serif;
    line-height: 1.6;
    color: var(--ink);
    background:
        radial-gradient(
            circle at 12% 8%,
            rgba(0, 212, 255, 0.35),
            transparent 42%
        ),
        radial-gradient(
            circle at 88% 18%,
            rgba(139, 92, 246, 0.35),
            transparent 45%
        ),
        radial-gradient(
            circle at 50% 100%,
            rgba(59, 130, 246, 0.3),
            transparent 55%
        ),
        linear-gradient(160deg, #4c56b8 0%, #6d3fa0 55%, #7c3aad 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    width: auto;
    height: auto;
    z-index: 2000;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background: #1a202c;
    color: #fff;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: white;
    border-radius: 20%;
    padding: 2px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15%;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a202c;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #3b82f6;
}

.nav-link:focus-visible,
.btn:focus-visible,
.support-link:focus-visible,
.footer-column a:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 3px;
    border-radius: 6px;
}

.nav-link.download-btn {
    background: var(--brand-gradient);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.nav-link.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    border: 0;
    background: transparent;
    padding: 0;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #4a5568;
    margin: 3px 0;
    transition: 0.3s;
}

/* Language Switcher */
.lang-switcher {
    position: relative;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.18);
    border-radius: 50px;
    color: #1a202c;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.25s ease;
}

.lang-toggle:hover {
    background: rgba(59, 130, 246, 0.14);
    border-color: rgba(59, 130, 246, 0.3);
}

.lang-flag {
    font-size: 1.05rem;
    line-height: 1;
}

.lang-caret {
    width: 14px;
    height: 14px;
    transition: transform 0.25s ease;
}

.lang-toggle[aria-expanded="true"] .lang-caret {
    transform: rotate(180deg);
}

.lang-menu {
    list-style: none;
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    min-width: 200px;
    max-height: 340px;
    overflow-y: auto;
    background: var(--surface-strong);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        visibility 0.2s;
    z-index: 1100;
}

.lang-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.6rem 0.75rem;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: #1a202c;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s ease;
}

.lang-option:hover,
.lang-option:focus-visible {
    background: rgba(59, 130, 246, 0.1);
    outline: none;
}

.lang-option.active {
    background: rgba(59, 130, 246, 0.14);
    color: #3b82f6;
    font-weight: 700;
}

.lang-option .lang-flag {
    font-size: 1.15rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.9) 0%,
        rgba(255, 255, 255, 0.7) 100%
    );
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 820px;
    margin: 0 auto;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #1a202c;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4a5568;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--brand-gradient);
    color: white;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: #4a5568;
    border: 2px solid rgba(59, 130, 246, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 1);
    border-color: #3b82f6;
    color: #3b82f6;
    transform: translateY(-2px);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.hero-badges {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.8);
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.badge-reddit {
    text-decoration: none;
    color: #1a202c;
    border: 1px solid rgba(255, 69, 0, 0.25);
    background: rgba(255, 255, 255, 0.95);
    transition: all 0.2s ease;
}

.badge-reddit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(255, 69, 0, 0.2);
    border-color: #ff4500;
    color: #ff4500;
}

.badge-reddit .badge-icon svg {
    display: block;
    fill: #ff4500;
}

.badge-icon {
    font-size: 1.2rem;
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #f8fafc, #e2e8f0);
    border-radius: 40px;
    padding: 20px;
    box-shadow:
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 10px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 30px;
    padding: 40px 20px 20px;
    position: relative;
    overflow: hidden;
}

.app-interface {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 20px;
    height: 100%;
    backdrop-filter: blur(20px);
}

.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 600;
}

.time {
    color: #1a202c;
}

.indicators {
    display: flex;
    gap: 5px;
}

.signal,
.wifi,
.battery {
    width: 20px;
    height: 12px;
    background: linear-gradient(135deg, #00d4ff, #3b82f6);
    border-radius: 3px;
}

.app-content h3 {
    color: #1a202c;
    margin-bottom: 20px;
    font-size: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.stat-card {
    background: linear-gradient(
        135deg,
        rgba(59, 130, 246, 0.1),
        rgba(139, 92, 246, 0.1)
    );
    padding: 15px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.stat-number {
    font-size: 20px;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 12px;
    color: #4a5568;
}

.backup-status {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(34, 197, 94, 0.1);
    padding: 12px 15px;
    border-radius: 12px;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a202c;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.8);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--brand-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--brand-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a202c;
}

.feature-description {
    color: #4a5568;
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
    padding: 6rem 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.7) 0%,
        rgba(255, 255, 255, 0.9) 100%
    );
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem 2.5rem;
}

.screenshot-card {
    text-align: center;
    margin: 0;
}

.screenshot-card figcaption {
    max-width: 300px;
    margin: 0 auto;
}

/* Use Cases Section (App Store custom product page banners) */
.use-cases {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.use-case-card {
    background: var(--surface-strong);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.use-case-image {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    background: #1b2440;
}

.use-case-body {
    padding: 1.75rem 2rem 2rem;
}

.use-case-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1a202c;
}

.use-case-description {
    color: #4a5568;
    line-height: 1.6;
}

/* Hero banner: the App Store banner already contains device frames on a dark backdrop */
.hero-banner {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    background: #1b2440;
    box-shadow:
        0 30px 80px rgba(15, 23, 42, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.08);
}

/* CSS iPhone frame around the raw App Store screenshots */
.device-frame {
    position: relative;
    width: min(100%, 280px);
    margin: 0 auto 1.75rem;
    padding: 10px;
    border-radius: 46px;
    background: linear-gradient(145deg, #2a3142, #0f1422);
    box-shadow:
        0 25px 60px rgba(15, 23, 42, 0.28),
        inset 0 0 0 1.5px rgba(255, 255, 255, 0.12);
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.device-frame:hover {
    transform: translateY(-6px);
    box-shadow:
        0 32px 70px rgba(15, 23, 42, 0.34),
        inset 0 0 0 1.5px rgba(255, 255, 255, 0.12);
}

.screenshot-image {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1242 / 2688;
    border-radius: 36px;
    background: #f1f5f9;
}

.screenshot-mockup {
    background: #1a202c;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 1.5rem;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

.mockup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.mockup-buttons {
    display: flex;
    gap: 8px;
}

.btn-red,
.btn-yellow,
.btn-green {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-red {
    background: #ef4444;
}
.btn-yellow {
    background: #f59e0b;
}
.btn-green {
    background: #10b981;
}

.mockup-title {
    color: #e2e8f0;
    font-size: 14px;
    font-weight: 500;
}

.mockup-content {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 10px;
    padding: 20px;
    min-height: 200px;
}

.dashboard-content .dashboard-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

.stat .stat-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #3b82f6;
}

.stat .stat-label {
    font-size: 12px;
    color: #64748b;
}

.progress-bar {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    width: 70%;
    height: 100%;
    background: linear-gradient(90deg, #00d4ff, #3b82f6);
    border-radius: 4px;
}

.tasks-content .task-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    margin-bottom: 10px;
}

.task-icon {
    font-size: 20px;
}

.task-info {
    display: flex;
    flex-direction: column;
}

.task-name {
    font-weight: 600;
    color: #1a202c;
    font-size: 14px;
}

.task-status {
    font-size: 12px;
    color: #3b82f6;
}

.settings-content .setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    margin-bottom: 10px;
}

.setting-label {
    font-weight: 500;
    color: #1a202c;
}

.setting-value {
    color: #3b82f6;
    font-weight: 600;
}

.screenshot-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1a202c;
}

.screenshot-card p {
    color: #4a5568;
}

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
}

.pricing-card {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 30px;
    padding: 3rem;
    text-align: center;
    border: 2px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.pricing-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--brand-gradient);
}

.pricing-header {
    margin-bottom: 2.5rem;
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 1rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.price-currency {
    font-size: 2rem;
    font-weight: 600;
    color: #3b82f6;
}

.price-amount {
    font-size: 4rem;
    font-weight: 700;
    color: #1a202c;
}

.price-period {
    font-size: 1.25rem;
    color: #4a5568;
}

.pricing-features {
    margin-bottom: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-check {
    width: 24px;
    height: 24px;
    color: #22c55e;
    flex-shrink: 0;
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

.pricing-note {
    margin-top: 1rem;
    color: #64748b;
    font-size: 0.875rem;
}

/* Download Section */
.download {
    padding: 6rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.download::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="%23ffffff" opacity="0.1"/><circle cx="20" cy="20" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="80" cy="30" r="1.5" fill="%23ffffff" opacity="0.1"/><circle cx="30" cy="80" r="1" fill="%23ffffff" opacity="0.1"/></svg>');
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.download-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.download-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.download-btn {
    display: inline-block;
    transition: transform 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-3px);
}

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

.download-graphic {
    position: relative;
    width: 400px;
    height: 400px;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: floatIcon 4s ease-in-out infinite;
}

.icon-1 {
    top: 20px;
    left: 20px;
    animation-delay: 0s;
}

.icon-2 {
    top: 20px;
    right: 20px;
    animation-delay: 1s;
}

.icon-3 {
    bottom: 20px;
    left: 20px;
    animation-delay: 2s;
}

.icon-4 {
    bottom: 20px;
    right: 20px;
    animation-delay: 3s;
}

@keyframes floatIcon {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) rotate(5deg);
    }
    50% {
        transform: translateY(-20px) rotate(0deg);
    }
    75% {
        transform: translateY(-10px) rotate(-5deg);
    }
}

.central-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
}

.logo-large {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Support Section */
.support {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.support-card {
    background: rgba(255, 255, 255, 0.8);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.support-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--brand-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.support-icon svg {
    width: 30px;
    height: 30px;
}

.support-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a202c;
}

.support-card p {
    color: #4a5568;
    margin-bottom: 1.5rem;
}

.support-link {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.support-link:hover {
    color: #2563eb;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 400px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-logo .logo-icon {
    width: 28px;
    height: 28px;
    padding: 2px;
    background: rgba(255, 255, 255, 0.9);
}

.footer-logo .logo-text {
    color: white;
}

.footer-description {
    color: #a0aec0;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.footer-column a {
    display: block;
    color: #a0aec0;
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #00d4ff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid #2d3748;
    color: #a0aec0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        right: 1rem;
        min-width: 220px;
        padding: 1rem;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link.download-btn {
        width: 100%;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
    }

    .lang-switcher {
        width: 100%;
    }

    .lang-toggle {
        width: 100%;
        justify-content: space-between;
    }

    .lang-menu {
        position: static;
        width: 100%;
        max-height: 0;
        opacity: 1;
        visibility: visible;
        overflow: hidden;
        box-shadow: none;
        border: none;
        padding: 0;
        margin-top: 0;
        transform: none;
        transition:
            max-height 0.25s ease,
            margin-top 0.25s ease;
    }

    .lang-menu.open {
        max-height: 340px;
        margin-top: 0.5rem;
        padding: 0.5rem;
        border: 1px solid var(--border-soft);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

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

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

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

    .hero-banner {
        border-radius: var(--radius-md);
    }

    /* Horizontal swipeable carousel on phones */
    .screenshots-grid {
        display: flex;
        gap: 1.5rem;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding: 0.5rem 1rem 1.5rem;
        margin: 0 -1rem;
        scrollbar-width: none;
    }

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

    .screenshot-card {
        flex: 0 0 72%;
        scroll-snap-align: center;
    }

    .device-frame {
        border-radius: 38px;
        padding: 8px;
    }

    .screenshot-image {
        border-radius: 30px;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .use-case-body {
        padding: 1.5rem;
    }

    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .download-title {
        font-size: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }

    .container {
        padding: 0 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
    }

    .feature-card {
        padding: 2rem;
    }

    .pricing-card {
        padding: 2rem;
    }

    .support-card {
        padding: 2rem;
    }
}

/* Smooth animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* RTL Support (Arabic) */
html[dir="rtl"] .lang-menu {
    right: auto;
    left: 0;
}

html[dir="rtl"] .skip-link:focus {
    left: auto;
    right: 1rem;
}

html[dir="rtl"] .lang-option,
html[dir="rtl"] .footer-column a {
    text-align: right;
}

html[dir="rtl"] .support-link,
html[dir="rtl"] .lang-name {
    direction: rtl;
}

@media (max-width: 768px) {
    html[dir="rtl"] .nav-menu {
        right: auto;
        left: 1rem;
    }
}