/* ============================================================
   Source·Check — design tokens
   Palette: off-white/blue-grey base, ink navy text, signal-amber
   for "check" actions, signal-green for "eligible" outcomes.
   Type: Space Grotesk (headline) / IBM Plex Sans (body) /
   IBM Plex Mono (domains, code, technical values).
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
    --ink: #14213D;
    --ink-soft: #3D4A6B;
    --paper: #F2F4F3;
    --paper-raised: #FFFFFF;
    --line: #D8DDE3;
    --amber: #E2A63B;
    --amber-ink: #6B4A0F;
    --green: #3AA655;
    --green-ink: #1E5C2E;
    --red: #C0463A;

    --font-head: 'Space Grotesk', sans-serif;
    --font-body: 'IBM Plex Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    --radius: 3px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

.wrap {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3 {
    font-family: var(--font-head);
    font-weight: 600;
    line-height: 1.15;
    margin: 0 0 0.5em;
    color: var(--ink);
}

h1 { font-size: 2.75rem; font-weight: 700; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; max-width: 62ch; }

a { color: var(--ink); }

code, .mono, input[type="text"] {
    font-family: var(--font-mono);
}

/* ---------- Header ---------- */

.site-header {
    border-bottom: 1px solid var(--line);
    background: var(--paper-raised);
}

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

.brand {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.15rem;
    text-decoration: none;
    color: var(--ink);
}

.brand__dot { color: var(--amber); }

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.95rem;
}

.nav a {
    text-decoration: none;
    color: var(--ink-soft);
}

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

.nav__cta {
    background: var(--ink);
    color: #fff !important;
    padding: 9px 16px;
    border-radius: var(--radius);
}

.nav__cta:hover { background: var(--amber-ink); }

/* ---------- Hero ---------- */

.hero {
    padding: 72px 0 56px;
    border-bottom: 1px solid var(--line);
}

.hero__grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--amber-ink);
    background: rgba(226, 166, 59, 0.14);
    padding: 5px 10px;
    border-radius: var(--radius);
    margin-bottom: 18px;
}

.hero__lede {
    font-size: 1.15rem;
    color: var(--ink-soft);
}

.hero__actions {
    display: flex;
    gap: 12px;
    margin-top: 28px;
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 22px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.08s ease, background 0.15s ease;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
    background: var(--ink);
    color: #fff;
}
.btn--primary:hover { background: var(--amber-ink); }

.btn--outline {
    background: transparent;
    border-color: var(--ink);
    color: var(--ink);
}
.btn--outline:hover { background: var(--ink); color: #fff; }

.btn--amber {
    background: var(--amber);
    color: var(--ink);
}
.btn--amber:hover { background: #cf9530; }

.btn--full { width: 100%; }
.btn--sm { padding: 8px 14px; font-size: 0.85rem; }

/* ---------- Browser mockup (hero visual) ---------- */

.mockup {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 0 var(--line);
}

.mockup__bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    background: #E9ECEE;
    border-bottom: 1px solid var(--line);
}

.mockup__dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: #C7CDD4;
}

.mockup__url {
    margin-left: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--ink-soft);
}

.mockup__body { padding: 28px 24px; }

.mockup__headline {
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.mockup__sub {
    font-size: 0.85rem;
    color: var(--ink-soft);
    margin-bottom: 18px;
}

.preferred-btn-preview {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--line);
    padding: 10px 16px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    background: var(--paper);
}

.preferred-btn-preview__star { color: var(--amber); font-size: 1rem; }

/* ---------- Sections ---------- */

.section { padding: 56px 0; }
.section--bordered { border-bottom: 1px solid var(--line); }

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 32px;
}

.step__num {
    font-family: var(--font-mono);
    color: var(--amber-ink);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

/* ---------- Cards / panels ---------- */

.panel {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 28px;
}

.panel + .panel { margin-top: 20px; }

/* ---------- Forms ---------- */

.field { margin-bottom: 18px; }

.field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ink-soft);
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: 0.95rem;
    background: var(--paper-raised);
    color: var(--ink);
}

input:focus {
    outline: 2px solid var(--amber);
    outline-offset: 1px;
    border-color: var(--amber);
}

.form-card {
    max-width: 420px;
    margin: 64px auto;
}

.form-card h1 { font-size: 1.6rem; }

.form-foot {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--ink-soft);
}

.alert {
    padding: 12px 14px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    margin-bottom: 18px;
}

.alert--error {
    background: rgba(192, 70, 58, 0.1);
    color: var(--red);
    border: 1px solid rgba(192, 70, 58, 0.25);
}

.alert--success {
    background: rgba(58, 166, 85, 0.1);
    color: var(--green-ink);
    border: 1px solid rgba(58, 166, 85, 0.25);
}

/* ---------- Dashboard / generator ---------- */

.domain-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}

.domain-row:last-child { border-bottom: none; }

.domain-row__name {
    font-family: var(--font-mono);
    font-size: 0.95rem;
}

.domain-row__actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.status-pill {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 4px 9px;
    border-radius: 20px;
}

.status-pill--unchecked { background: var(--line); color: var(--ink-soft); }
.status-pill--eligible { background: rgba(58, 166, 85, 0.15); color: var(--green-ink); }
.status-pill--not_eligible { background: rgba(192, 70, 58, 0.12); color: var(--red); }

.code-block {
    background: var(--ink);
    color: #E9ECEE;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 18px;
    border-radius: 6px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.6;
}

.generator-output {
    margin-top: 24px;
}

.generator-output__row {
    margin-bottom: 20px;
}

.generator-output__label {
    font-size: 0.8rem;
    text-transform: none;
    color: var(--ink-soft);
    margin-bottom: 8px;
    font-weight: 600;
}

.copy-row {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.copy-row .code-block { flex: 1; }

/* ---------- Ad slots ---------- */

.ad-slot {
    background: var(--paper-raised);
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    color: var(--ink-soft);
    font-size: 0.8rem;
    margin: 32px 0;
}

/* ---------- Footer ---------- */

.site-footer {
    border-top: 1px solid var(--line);
    padding: 32px 0;
}

.site-footer p {
    font-size: 0.85rem;
    color: var(--ink-soft);
    margin: 0 0 4px;
    max-width: none;
}

.site-footer__meta { color: #A8AFB8; }

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
    .hero__grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    h1 { font-size: 2.1rem; }
    .nav { gap: 14px; font-size: 0.85rem; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn { transition: none; }
}