:root {
    --bg: #ffffff;
    --surface: #ffffff;
    --surface-soft: #f6f7fb;
    --ink: #0b1220;
    --ink-soft: #3d4759;
    --muted: #6b7280;
    --border: #e5e7eb;
    --accent: #1f6feb;
    --accent-soft: rgba(31, 111, 235, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

a {
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 10;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: var(--ink);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.01em;
    font-feature-settings: "ss01" on, "tnum" on;
}

.site-nav {
    display: flex;
    gap: 28px;
    font-size: 14px;
    font-weight: 500;
}

.site-nav a {
    color: var(--ink-soft);
    text-decoration: none;
    transition: color .15s ease;
}

.site-nav a:hover {
    color: var(--ink);
}

@media (max-width: 640px) {
    .site-nav {
        gap: 18px;
        font-size: 13px;
    }

    .site-nav a:first-child,
    .site-nav a:nth-child(2) {
        display: none;
    }
}

/* Hero */
.hero {
    padding: 96px 0 80px;
    background: linear-gradient(180deg, #fbfcfe 0%, #ffffff 100%);
    border-bottom: 1px solid var(--border);
}

.eyebrow {
    display: inline-block;
    padding: 6px 12px;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 22px;
}

.hero h1 {
    font-size: clamp(36px, 6vw, 60px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.035em;
    margin-bottom: 20px;
    max-width: 780px;
}

.lede {
    font-size: clamp(17px, 2vw, 20px);
    color: var(--ink-soft);
    max-width: 640px;
    margin-bottom: 28px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
}

.meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--ink-soft);
    background: #fff;
    font-weight: 500;
}

.meta-chip .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.18);
}

/* Features */
.features {
    padding: 88px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature {
    padding: 32px 28px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.feature:hover {
    border-color: #c9cfda;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px -20px rgba(15, 23, 42, 0.18);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.feature-icon svg {
    width: 22px;
    height: 22px;
}

.feature h3 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 8px;
}

.feature p {
    color: var(--ink-soft);
    font-size: 14.5px;
}

@media (max-width: 900px) {
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .features {
        padding: 64px 0;
    }
}

/* About */
.about {
    padding: 96px 0 112px;
    background: var(--surface-soft);
    border-top: 1px solid var(--border);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-copy h2 {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.15;
    margin-bottom: 18px;
}

.about-copy p {
    color: var(--ink-soft);
    font-size: 16px;
    margin-bottom: 14px;
}

.about-stats {
    list-style: none;
    display: grid;
    gap: 16px;
}

.about-stats li {
    padding: 22px 24px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    display: flex;
    flex-direction: column;
}

.about-stats strong {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.about-stats span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
    margin-top: 2px;
}

@media (max-width: 900px) {
    .about {
        padding: 64px 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 36px 0;
    background: #fff;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--muted);
}

.footer-brand {
    font-weight: 700;
    color: var(--ink);
}

.footer-links {
    display: flex;
    gap: 22px;
}

.footer-links a {
    color: var(--ink-soft);
    text-decoration: none;
    transition: color .15s ease;
}

.footer-links a:hover {
    color: var(--ink);
}

@media (max-width: 640px) {
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}