:root {
    --bg: #0a0b0d;
    --bg-elev: #14161a;
    --bg-card: #16191e;
    --border: #262b33;
    --text: #e9edf2;
    --text-dim: #9aa4b2;
    --accent: #2dd4bf;
    --accent-hover: #5eead4;
    --max: 1040px;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(10, 11, 13, 0.82);
    backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--border);
}
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.brand {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--text);
    text-transform: uppercase;
}
.brand .dot { color: var(--accent); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--text-dim); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--text); }

/* Hero */
.hero {
    padding: 110px 0 90px;
    text-align: center;
    background: radial-gradient(120% 90% at 50% -10%, rgba(45, 212, 191, 0.12), transparent 60%);
}
.hero h1 {
    font-size: clamp(40px, 8vw, 72px);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.05;
}
.hero .tagline {
    margin-top: 18px;
    font-size: clamp(18px, 3vw, 23px);
    color: var(--text-dim);
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}
.cta-row { margin-top: 38px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
    display: inline-block;
    padding: 13px 26px;
    border-radius: 11px;
    font-size: 16px;
    font-weight: 600;
    transition: transform 0.12s ease, background 0.15s ease;
}
.btn-primary { background: var(--accent); color: #04211d; }
.btn-primary:hover { background: var(--accent-hover); color: #04211d; transform: translateY(-1px); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }

/* Features */
.section { padding: 72px 0; }
.section h2 {
    font-size: 30px;
    font-weight: 700;
    text-align: center;
    letter-spacing: -0.01em;
}
.grid {
    margin-top: 44px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
}
.card h3 { font-size: 19px; font-weight: 650; margin-bottom: 8px; }
.card p { color: var(--text-dim); font-size: 15.5px; }
.card .icon {
    width: 42px; height: 42px;
    border-radius: 11px;
    background: rgba(45, 212, 191, 0.12);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
    font-size: 21px;
}

/* Legal / content pages */
.content { padding: 64px 0 96px; max-width: 760px; }
.content h1 { font-size: 38px; font-weight: 800; letter-spacing: -0.02em; }
.content .updated { color: var(--text-dim); margin-top: 8px; font-size: 15px; }
.content h2 { font-size: 21px; font-weight: 700; margin: 40px 0 12px; }
.content p, .content li { color: #c6cdd6; font-size: 16px; margin-bottom: 12px; }
.content ul { padding-left: 22px; margin-bottom: 12px; }
.content li { margin-bottom: 8px; }
.content strong { color: var(--text); }

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    color: var(--text-dim);
    font-size: 14.5px;
}
.foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.foot-links { display: flex; gap: 22px; }
.foot-links a { color: var(--text-dim); }
.foot-links a:hover { color: var(--text); }