:root {
    color-scheme: dark;
    --background: #050914;
    --background-elevated: #0b1020;
    --surface: rgba(17, 24, 39, 0.86);
    --surface-raised: rgba(23, 30, 46, 0.92);
    --surface-pressed: #20283a;
    --surface-border: rgba(148, 163, 184, 0.18);
    --surface-border-strong: rgba(167, 139, 250, 0.32);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --primary: #7c3aed;
    --primary-high: #8b5cf6;
    --primary-soft: #a78bfa;
    --accent: #ec4899;
    --success: #22c55e;
    --warning: #f59e0b;
    --max-width: 920px;
    --radius-large: 28px;
    --radius-medium: 20px;
    --radius-small: 14px;
    --shadow-card: 0 22px 64px rgba(0, 0, 0, 0.34);
}

* {
    box-sizing: border-box;
}

html {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
    line-height: 1.62;
    background: var(--background);
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text-primary);
    background:
        radial-gradient(circle at 50% -18%, rgba(124, 58, 237, 0.26), transparent 38rem),
        linear-gradient(180deg, #060a17 0%, #090d1b 42%, #050914 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(248, 250, 252, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(248, 250, 252, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(to bottom, black, transparent 76%);
}

a {
    color: var(--primary-soft);
    text-decoration-color: rgba(167, 139, 250, 0.52);
    text-underline-offset: 3px;
}

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

.page {
    position: relative;
    z-index: 1;
    width: min(calc(100% - 32px), var(--max-width));
    margin: 0 auto;
    padding: 34px 0 68px;
}

.hero,
.card {
    background: var(--surface);
    border: 1px solid var(--surface-border);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 30px;
    margin-bottom: 18px;
    border-radius: var(--radius-large);
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(135deg, rgba(124, 58, 237, 0.22), transparent 34%),
        linear-gradient(315deg, rgba(236, 72, 153, 0.13), transparent 30%);
}

.hero > * {
    position: relative;
    z-index: 1;
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.app-icon {
    width: 72px;
    height: 72px;
    flex: 0 0 auto;
    border-radius: 20px;
    border: 1px solid rgba(248, 250, 252, 0.18);
    box-shadow:
        0 18px 36px rgba(0, 0, 0, 0.34),
        0 0 0 6px rgba(124, 58, 237, 0.10);
}

.eyebrow {
    margin: 0 0 7px;
    color: var(--primary-soft);
    font-size: 0.76rem;
    font-weight: 760;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.app-title {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.08rem;
    font-weight: 760;
    line-height: 1.22;
}

h1 {
    margin: 0;
    color: var(--text-primary);
    font-size: clamp(2.1rem, 6vw, 3.2rem);
    line-height: 1.02;
    letter-spacing: 0;
}

.subhead {
    margin: 12px 0 0;
    max-width: 49rem;
    color: var(--text-secondary);
    font-size: 1.04rem;
}

.meta {
    margin-top: 14px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.trust-row,
.feature-grid {
    display: grid;
    gap: 10px;
}

.trust-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 22px;
}

.trust-pill,
.feature-card {
    background: rgba(11, 16, 32, 0.72);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-small);
}

.trust-pill {
    min-height: 54px;
    padding: 10px 12px;
}

.trust-pill strong,
.feature-card strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.25;
}

.trust-pill span,
.feature-card span {
    display: block;
    margin-top: 2px;
    color: var(--text-muted);
    font-size: 0.82rem;
    line-height: 1.35;
}

.feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
    padding: 14px;
}

.nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.nav a,
.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border-radius: var(--radius-small);
    background: rgba(23, 30, 46, 0.86);
    border: 1px solid var(--surface-border);
    color: var(--text-secondary);
    font-weight: 680;
    text-decoration: none;
}

.nav a:hover,
.button-link:hover {
    color: var(--text-primary);
    border-color: var(--surface-border-strong);
    background: var(--surface-pressed);
}

.nav a.active,
.button-link.primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: rgba(248, 250, 252, 0.18);
    color: white;
}

.card {
    padding: 26px;
    border-radius: var(--radius-medium);
}

.card + .card {
    margin-top: 14px;
}

h2 {
    margin: 0 0 10px;
    color: var(--text-primary);
    font-size: 1.12rem;
    line-height: 1.25;
    letter-spacing: 0;
}

p,
ul {
    margin: 0 0 15px;
}

p:last-child,
ul:last-child {
    margin-bottom: 0;
}

p,
li {
    color: var(--text-secondary);
}

strong {
    color: var(--text-primary);
}

ul {
    padding-left: 20px;
}

li + li {
    margin-top: 8px;
}

.note {
    color: var(--text-muted);
}

.footer {
    margin: 24px 0 0;
    color: var(--text-muted);
    font-size: 0.92rem;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    color: var(--text-primary);
    background: rgba(11, 16, 32, 0.86);
    border: 1px solid var(--surface-border);
    border-radius: 8px;
    padding: 2px 6px;
}

@media (max-width: 720px) {
    .page {
        width: min(calc(100% - 20px), var(--max-width));
        padding-top: 18px;
    }

    .hero,
    .card {
        padding: 20px;
    }

    .brand-lockup {
        align-items: flex-start;
        gap: 12px;
    }

    .app-icon {
        width: 58px;
        height: 58px;
        border-radius: 16px;
    }

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

    .nav a,
    .button-link {
        min-height: 40px;
        padding: 0 14px;
    }
}