:root {
    --bg: #0b1220;
    --surface: rgba(255, 255, 255, 0.06);
    --surface-2: rgba(255, 255, 255, 0.1);
    --border: rgba(255, 255, 255, 0.14);
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.68);
    --muted-2: rgba(255, 255, 255, 0.52);

    --primary: #6ee7ff;
    --primary-2: #7c5cff;
    --success: #3ddc97;
    --warning: #ffcc66;

    --shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    --shadow-soft: 0 14px 40px rgba(0, 0, 0, 0.25);
    --radius: 18px;
    --radius-sm: 12px;
    --nav-height: 68px;
    --max: 1120px;
}

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

body {
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
    line-height: 1.6;
    color: var(--text);
    background: radial-gradient(1200px 600px at 20% -10%, rgba(124, 92, 255, 0.35), transparent 60%),
        radial-gradient(900px 500px at 85% 10%, rgba(110, 231, 255, 0.25), transparent 55%),
        radial-gradient(800px 500px at 60% 120%, rgba(61, 220, 151, 0.18), transparent 55%),
        var(--bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 22px;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(11, 18, 32, 0.55);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
}

.header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 220px;
}

.brand img {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.brand span {
    font-weight: 720;
    letter-spacing: -0.02em;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.92);
}

.nav {
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--muted);
}

.nav a {
    font-size: 14px;
    padding: 10px 10px;
    border-radius: 10px;
    transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.92);
    transform: translateY(-1px);
}

.lang {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
}

.lang a {
    padding: 6px 10px;
    border-radius: 10px;
    font-size: 13px;
    color: var(--muted);
}

.lang a.active {
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.92);
}

.hero {
    padding: calc(var(--nav-height) + 62px) 0 46px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 34px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.78);
    font-size: 13px;
}

.eyebrow .dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 0 0 4px rgba(110, 231, 255, 0.12);
}

.hero h1 {
    margin-top: 16px;
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.hero p {
    margin-top: 16px;
    font-size: 16px;
    color: var(--muted);
    max-width: 56ch;
}

.cta-row {
    margin-top: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 14px;
    font-weight: 650;
    font-size: 14px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
    user-select: none;
}

.btn-primary {
    background: linear-gradient(135deg, rgba(110, 231, 255, 0.95), rgba(124, 92, 255, 0.95));
    color: rgba(9, 12, 20, 0.92);
    border-color: rgba(255, 255, 255, 0.0);
    box-shadow: 0 14px 40px rgba(124, 92, 255, 0.22);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.92);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.hero-side {
    display: flex;
    justify-content: flex-end;
}

.frame {
    width: 100%;
    max-width: 460px;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.frame-top {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(255, 255, 255, 0.04);
}

.frame-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    opacity: 0.9;
}

.frame-dot.red { background: #ff5f56; }
.frame-dot.yellow { background: #ffbd2e; }
.frame-dot.green { background: #27c93f; }

.frame-body {
    background: rgba(8, 12, 22, 0.65);
}

/* Screenshot Image */
.app-screenshot {
    width: 100%;
    height: auto;
    display: block;
}

.screenshot-placeholder {
    padding: 72px 22px;
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
    border: 1px dashed rgba(255, 255, 255, 0.18);
}

.section {
    padding: 56px 0;
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.kicker {
    font-size: 12px;
    color: var(--muted-2);
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.h2 {
    margin-top: 8px;
    font-size: 26px;
    letter-spacing: -0.02em;
}

.p {
    margin-top: 10px;
    color: var(--muted);
    max-width: 72ch;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.card {
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.25);
    padding: 18px 18px;
}

.feature {
    display: flex;
    gap: 14px;
}

.icon {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.feature h3 {
    font-size: 15px;
    letter-spacing: -0.01em;
}

.feature p {
    margin-top: 6px;
    color: var(--muted);
    font-size: 14px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.step-num {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    font-size: 12px;
    font-weight: 720;
    color: rgba(9, 12, 20, 0.9);
    background: linear-gradient(135deg, rgba(110, 231, 255, 0.95), rgba(124, 92, 255, 0.95));
}

.step h3 {
    margin-top: 12px;
    font-size: 15px;
}

.step p {
    margin-top: 6px;
    color: var(--muted);
    font-size: 14px;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.download-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.pill {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.76);
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
}

.download-actions {
    margin-top: 12px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.mini {
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 13px;
}

.faq {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.faq h3 {
    font-size: 14px;
}

.faq p {
    margin-top: 8px;
    color: var(--muted);
    font-size: 14px;
}

footer {
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    padding: 44px 0 22px;
    margin-top: 26px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 18px;
    margin-bottom: 22px;
}

.footer-col h3,
.footer-col h4 {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

.footer-col a {
    display: block;
    color: var(--muted);
    margin-bottom: 10px;
    font-size: 13px;
}

.footer-col a:hover {
    color: rgba(255, 255, 255, 0.92);
}

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    padding-top: 14px;
    color: var(--muted-2);
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav { display: none; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-side { justify-content: flex-start; }
    .grid-3 { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .download-grid { grid-template-columns: 1fr; }
    .faq { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
}