:root {
    color-scheme: dark;
    --bg: #07111f;
    --bg-alt: #0d1a2e;
    --panel: rgba(12, 24, 40, 0.82);
    --panel-strong: rgba(17, 31, 53, 0.96);
    --border: rgba(255, 255, 255, 0.12);
    --text: #ecf4ff;
    --muted: #9fb2cc;
    --accent: #4fd1c5;
    --accent-2: #f7b267;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
    --radius: 22px;
    --radius-sm: 16px;
    --max-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", system-ui, -apple-system, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(79, 209, 197, 0.16), transparent 28%),
        radial-gradient(circle at top right, rgba(247, 178, 103, 0.18), transparent 24%),
        linear-gradient(180deg, #050b14 0%, var(--bg) 36%, #081424 100%);
    color: var(--text);
    line-height: 1.7;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.12;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 38px 38px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 88%);
}

body,
main,
.hero,
.section,
.footer {
    position: relative;
    z-index: 1;
}

.hero,
.section,
.footer {
    width: min(calc(100% - 32px), var(--max-width));
    margin: 0 auto;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.9fr);
    gap: 28px;
    padding: 40px 0 20px;
    align-items: stretch;
}

.hero-copy,
.hero-card,
.card,
.sticky-panel,
.video-frame {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.hero-copy {
    border-radius: calc(var(--radius) + 10px);
    padding: clamp(28px, 5vw, 54px);
}

.hero-card {
    border-radius: calc(var(--radius) + 10px);
    padding: 24px;
    display: grid;
    gap: 14px;
    align-content: start;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.24em;
    font-size: 0.78rem;
    font-weight: 700;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 4.7rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
    margin-bottom: 18px;
}

.lead {
    color: var(--muted);
    font-size: clamp(1rem, 1.7vw, 1.2rem);
    max-width: 68ch;
    margin-bottom: 26px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button.primary {
    color: #03131f;
    background: linear-gradient(135deg, var(--accent), #94f0e5);
}

.button.ghost {
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.04);
}

.stat {
    display: grid;
    gap: 4px;
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    background: var(--panel-strong);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-label {
    color: var(--muted);
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.stat-value {
    font-size: 1.05rem;
    font-weight: 700;
}

main {
    display: grid;
    gap: 24px;
    padding: 8px 0 42px;
}

.section {
    padding-top: 18px;
}

.section-head {
    margin-bottom: 18px;
}

.section-head h2 {
    font-size: clamp(1.45rem, 2.8vw, 2.2rem);
    line-height: 1.15;
    margin-bottom: 0;
}

.grid {
    display: grid;
    gap: 18px;
}

.grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card,
.sticky-panel {
    border-radius: var(--radius);
    padding: 22px;
}

.card h3 {
    margin-bottom: 12px;
    font-size: 1.06rem;
}

.card p,
.card li,
.muted,
.footer {
    color: var(--muted);
}

.timeline {
    display: grid;
    gap: 14px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 70px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    padding: 18px 22px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
}

.timeline-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(79, 209, 197, 0.22), rgba(247, 178, 103, 0.18));
    color: var(--text);
    font-weight: 800;
    letter-spacing: 0.04em;
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
    gap: 18px;
    align-items: start;
}

.sticky-panel {
    position: sticky;
    top: 18px;
    display: grid;
    gap: 18px;
}

pre {
    overflow: auto;
    margin: 0 0 10px;
    padding: 18px;
    border-radius: 18px;
    background: #0a1321;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.94em;
    color: #d7f3ee;
}

pre code {
    color: #d7f3ee;
    white-space: pre;
}

.list {
    margin: 0;
    padding-left: 1.2rem;
}

.list.compact {
    display: grid;
    gap: 8px;
}

.video-frame {
    border-radius: calc(var(--radius) + 4px);
    padding: 18px;
}

.video-frame video {
    display: block;
    width: 100%;
    max-height: 680px;
    border-radius: 18px;
    background: #000;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer {
    padding: 10px 0 44px;
    text-align: center;
    font-size: 0.95rem;
}

@media (max-width: 1024px) {
    .hero,
    .split,
    .grid.three,
    .grid.two {
        grid-template-columns: 1fr;
    }

    .sticky-panel {
        position: static;
    }
}

@media (max-width: 640px) {
    .hero,
    .section,
    .footer {
        width: min(calc(100% - 20px), var(--max-width));
    }

    .hero {
        padding-top: 20px;
    }

    .hero-copy,
    .hero-card,
    .card,
    .sticky-panel,
    .video-frame {
        border-radius: 18px;
        padding: 18px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
    }

    .timeline-step {
        width: 48px;
        height: 48px;
    }
}