:root {
    --bg: #07131f;
    --bg-soft: #0d2234;
    --panel: rgba(255, 255, 255, 0.06);
    --panel-strong: rgba(255, 255, 255, 0.1);
    --text: #f4f7fb;
    --muted: #a6b9c9;
    --line: rgba(255, 255, 255, 0.12);
    --accent: #4dd0e1;
    --accent-strong: #9cf2fb;
    --max-width: 1120px;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(77, 208, 225, 0.16), transparent 30%),
        linear-gradient(180deg, #081827 0%, #06111c 100%);
    line-height: 1.6;
}

a {
    color: var(--accent-strong);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: min(calc(100% - 2rem), var(--max-width));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(14px);
    background: rgba(7, 19, 31, 0.75);
    border-bottom: 1px solid var(--line);
}

.site-header .container,
.footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-header .container {
    min-height: 76px;
}

.brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.02em;
}

.site-nav {
    display: flex;
    gap: 1.25rem;
}

.site-nav a {
    color: var(--muted);
    font-weight: 500;
}

.hero {
    padding: 5rem 0 4rem;
}

.hero-grid,
.section-grid,
.cards {
    display: grid;
    gap: 1.5rem;
}

.hero-grid,
.section-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
}

.eyebrow,
.section-label {
    margin: 0 0 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 700;
}

h1,
h2,
h3 {
    margin-top: 0;
    line-height: 1.15;
}

h1 {
    font-size: clamp(2.6rem, 6vw, 4.6rem);
    margin-bottom: 1rem;
    max-width: 10ch;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.lead {
    font-size: 1.1rem;
    color: var(--muted);
    max-width: 58ch;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 1.75rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 1.2rem;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 0.18s ease, background 0.18s ease;
}

.button:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.button-primary {
    background: var(--accent);
    color: #04202b;
}

.button-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--line);
}

.hero-card,
.card,
.policy-container {
    background: var(--panel);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.hero-card,
.card {
    border-radius: 24px;
    padding: 1.5rem;
}

.feature-list {
    margin: 0;
    padding-left: 1.2rem;
    color: var(--muted);
}

.feature-list li + li {
    margin-top: 0.7rem;
}

.section {
    padding: 3.75rem 0;
}

.section-muted {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

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

.card p,
.section p,
.policy-container p,
.policy-container li {
    color: var(--muted);
}

.contact-line {
    font-size: 1.1rem;
    font-weight: 700;
}

.small-note,
.policy-meta {
    color: var(--muted);
    font-size: 0.95rem;
}

.policy-page {
    padding: 3rem 0 4rem;
}

.policy-container {
    max-width: 840px;
    border-radius: 28px;
    padding: 2rem;
}

.policy-container h2 {
    margin-top: 2rem;
    font-size: 1.3rem;
}

.policy-container ul {
    padding-left: 1.25rem;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 1.5rem 0;
}

.site-footer p,
.site-footer a {
    color: var(--muted);
    margin: 0;
}

@media (max-width: 860px) {
    .hero-grid,
    .section-grid,
    .cards,
    .footer-row {
        grid-template-columns: 1fr;
    }

    .site-header .container,
    .footer-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-nav {
        flex-wrap: wrap;
    }

    .hero {
        padding-top: 3.5rem;
    }

    h1 {
        max-width: none;
    }
}
