:root {
    --ink: #0f172a;
    --ink-soft: #475569;
    --ink-faint: #94a3b8;
    --bg: #ffffff;
    --bg-soft: #f8fafc;
    --accent: #4f46e5;
    --accent-dark: #3730a3;
    --accent-soft: #eef2ff;
    --border: #e2e8f0;
    --radius: 14px;
    font-size: 16px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.wrap {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
}

code {
    background: var(--accent-soft);
    color: var(--accent-dark);
    padding: 0.1em 0.4em;
    border-radius: 5px;
    font-size: 0.9em;
}

h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
}

/* ---------- nav ---------- */

.nav {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--ink);
}

.brand span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ink-soft);
}

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

.nav-cta {
    background: var(--ink);
    color: #fff !important;
    padding: 9px 16px;
    border-radius: 999px;
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--accent-dark);
}

.nav-login {
    color: var(--ink) !important;
    font-weight: 600;
}

/* ---------- hero ---------- */

.hero {
    padding: 88px 0 96px;
    background:
        radial-gradient(900px 500px at 85% -10%, var(--accent-soft), transparent 60%),
        var(--bg);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 64px;
    align-items: center;
}

.eyebrow {
    display: inline-block;
    color: var(--accent-dark);
    background: var(--accent-soft);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 999px;
    margin: 0 0 20px;
}

.hero h1 {
    font-size: clamp(2.1rem, 4vw, 3.2rem);
    line-height: 1.08;
    margin-bottom: 20px;
}

.lede {
    font-size: 1.15rem;
    color: var(--ink-soft);
    max-width: 46ch;
    margin: 0 0 32px;
}

.hero-ctas {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.btn {
    display: inline-block;
    padding: 14px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-dark);
}

.btn-ghost {
    background: transparent;
    color: var(--ink);
    border-color: var(--border);
}

.btn-ghost:hover {
    border-color: var(--ink);
}

.btn-ghost-dark {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost-dark:hover {
    border-color: #fff;
}

.hero-note {
    font-size: 0.9rem;
    color: var(--ink-faint);
    margin: 0;
}

.hero-note a {
    color: var(--accent-dark);
    font-weight: 600;
}

.hero-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: 0 20px 50px -20px rgba(15, 23, 42, 0.18);
}

.hero-card-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    padding: 10px 0;
    color: var(--ink-soft);
}

.hero-card-value {
    color: var(--ink);
    font-weight: 600;
}

.hero-card-divider {
    height: 1px;
    background: var(--border);
    margin: 8px 0;
}

.hero-card-total .hero-card-value {
    color: var(--accent-dark);
    font-size: 1.4rem;
}

.hero-card-total span:first-child {
    font-weight: 700;
    color: var(--ink);
}

.hero-card-caption {
    margin: 18px 0 0;
    font-size: 0.8rem;
    color: var(--ink-faint);
}

/* ---------- split (how it works) ---------- */

.split {
    padding: 96px 0;
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.split h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 48px;
}

.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.split-col {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
}

.split-kicker {
    color: var(--accent-dark);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin: 0 0 10px;
}

.split-col h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.checklist {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
}

.checklist li {
    position: relative;
    padding: 0 0 14px 28px;
    color: var(--ink-soft);
}

.checklist li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 7px;
    width: 14px;
    height: 14px;
    border-radius: 4px;
    background: var(--accent-soft);
    border: 1.5px solid var(--accent);
}

.split-link {
    font-weight: 700;
    color: var(--accent-dark);
}

/* ---------- features ---------- */

.features {
    padding: 96px 0;
}

.features h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    max-width: 24ch;
}

.section-sub {
    color: var(--ink-soft);
    font-size: 1.05rem;
    max-width: 60ch;
    margin: 16px 0 48px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature {
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.feature h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.feature p {
    color: var(--ink-soft);
    margin: 0;
    font-size: 0.95rem;
}

/* ---------- cta band ---------- */

.cta-band {
    background: var(--ink);
    color: #fff;
    padding: 72px 0;
}

.cta-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.cta-band h2 {
    font-size: clamp(1.4rem, 2.6vw, 1.9rem);
    margin-bottom: 10px;
}

.cta-band p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    max-width: 50ch;
}

.cta-band-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* ---------- footer ---------- */

.footer {
    background: #0b1222;
    color: rgba(255, 255, 255, 0.65);
    padding: 56px 0 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand {
    color: #fff;
}

.footer-tagline {
    margin: 10px 0 0;
    max-width: 32ch;
    font-size: 0.9rem;
}

.footer-heading {
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0 0 14px;
}

.footer-col a {
    display: block;
    font-size: 0.92rem;
    padding: 6px 0;
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    font-size: 0.85rem;
}

/* ---------- responsive ---------- */

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

    .split-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .nav-links {
        gap: 14px;
        font-size: 0.85rem;
    }

    .nav-links a:not(.nav-cta):not(.nav-login) {
        display: none;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cta-band-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}