/* Apitinel Landing — premium SaaS style, matches panel design language */
:root {
    --bg: #0b0e1a;
    --bg-alt: #0f1322;
    --surface: #141929;
    --border: rgba(255,255,255,.08);
    --text: #eef1ff;
    --text-2: #a7aec9;
    --text-3: #6b7394;
    --p500: #6366f1;
    --p600: #4f46e5;
    --a500: #8b5cf6;
    --ok: #22c55e;
    --warn: #f59e0b;
    --radius: 16px;
    --shadow-lg: 0 20px 60px rgba(0,0,0,.45);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
.grad {
    background: linear-gradient(120deg, var(--p500), var(--a500));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 20px; border-radius: 12px; font-weight: 600; font-size: 14px;
    transition: all .2s ease; cursor: pointer; border: 1px solid transparent;
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--p500), var(--a500));
    color: #fff; box-shadow: 0 4px 20px rgba(99,102,241,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99,102,241,.5); }
.btn-outline { border-color: var(--border); color: var(--text); background: rgba(255,255,255,.03); }
.btn-outline:hover { border-color: var(--p500); background: rgba(99,102,241,.08); }
.btn-ghost { color: var(--text-2); }
.btn-ghost:hover { color: var(--text); }
.btn-lg { padding: 14px 28px; font-size: 15px; border-radius: 14px; }
.w-full { width: 100%; }

/* ---------- Nav ---------- */
.nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(11,14,26,.75); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: 1160px; margin: 0 auto; padding: 14px 24px;
    display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
    width: 34px; height: 34px; border-radius: 10px;
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--p500), var(--a500));
    color: #fff; font-size: 15px; box-shadow: 0 2px 12px rgba(99,102,241,.4);
}
.brand-name { font-weight: 800; font-size: 17px; letter-spacing: -.01em; }
.nav-links { display: flex; gap: 24px; margin-left: 12px; }
.nav-links a { color: var(--text-2); font-size: 14px; font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.nav-burger { display: none; background: none; border: none; color: var(--text); font-size: 20px; cursor: pointer; margin-left: auto; }
.nav-mobile { display: none; flex-direction: column; gap: 6px; padding: 12px 24px 18px; border-top: 1px solid var(--border); }
.nav-mobile.open { display: flex; }
.nav-mobile a { padding: 10px 4px; color: var(--text-2); font-weight: 500; }
.nav-mobile .btn { margin-top: 6px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 90px 24px 80px; text-align: center; overflow: hidden; }
.hero-glow {
    position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
    width: 900px; height: 600px; pointer-events: none;
    background: radial-gradient(ellipse at center, rgba(99,102,241,.22), transparent 65%);
}
.hero-inner { position: relative; max-width: 860px; margin: 0 auto; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
    background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.25); color: #4ade80;
    margin-bottom: 26px;
}
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(74,222,128,.5);} 50% { box-shadow: 0 0 0 6px rgba(74,222,128,0);} }
.hero h1 { font-size: clamp(38px, 6vw, 62px); font-weight: 900; margin-bottom: 20px; }
.hero-sub { font-size: clamp(16px, 2.2vw, 19px); color: var(--text-2); max-width: 640px; margin: 0 auto 32px; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 14px; }
.hero-note { font-size: 13px; color: var(--text-3); }

/* Hero demo */
.hero-demo {
    margin: 56px auto 0; max-width: 720px; text-align: left;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 18px; box-shadow: var(--shadow-lg); overflow: hidden;
}
.demo-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02); }
.demo-dot { width: 11px; height: 11px; border-radius: 50%; }
.demo-url { margin-left: 12px; font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-3); }
.demo-url i { font-size: 10px; margin-right: 4px; }
.demo-body { padding: 22px 24px 26px; }
.demo-row { display: flex; align-items: center; gap: 12px; }
.demo-status { width: 10px; height: 10px; border-radius: 50%; }
.demo-status.ok { background: var(--ok); box-shadow: 0 0 10px rgba(34,197,94,.6); }
.demo-name { font-weight: 700; font-size: 16px; }
.demo-pill { margin-left: auto; font-size: 12px; font-weight: 600; color: #4ade80; background: rgba(34,197,94,.1); padding: 4px 10px; border-radius: 999px; }
.demo-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0; }
.demo-card { background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.demo-num { font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.demo-ms { font-size: 13px; font-weight: 600; color: var(--text-3); font-style: normal; margin-left: 2px; }
.demo-lbl { font-size: 11.5px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-top: 2px; }
.demo-bars { display: flex; gap: 3px; height: 34px; align-items: flex-end; }
.demo-bars .b { flex: 1; border-radius: 3px 3px 1px 1px; height: 100%; }
.demo-bars .b.ok { background: linear-gradient(180deg, #22c55e, #15803d); }
.demo-bars .b.warn { background: linear-gradient(180deg, #f59e0b, #b45309); }
.demo-bars-lbl { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-3); margin-top: 6px; }

/* ---------- Strip ---------- */
.strip { padding: 34px 24px; text-align: center; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-alt); }
.strip p { color: var(--text-3); font-size: 14px; max-width: 640px; margin: 0 auto; }

/* ---------- Sections ---------- */
.section { padding: 96px 24px; max-width: 1160px; margin: 0 auto; }
.section-alt { max-width: none; background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-alt > * { max-width: 1160px; margin-left: auto; margin-right: auto; }
.section-head { text-align: center; margin-bottom: 56px; }
.eyebrow {
    display: inline-block; font-size: 12px; font-weight: 700; text-transform: uppercase;
    letter-spacing: .12em; color: var(--p500); margin-bottom: 14px;
    padding: 5px 12px; border-radius: 999px; background: rgba(99,102,241,.1); border: 1px solid rgba(99,102,241,.25);
}
.section-head h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 14px; }
.section-head p { color: var(--text-2); font-size: 16px; max-width: 520px; margin: 0 auto; }

/* ---------- Feature grid ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 28px;
    transition: all .25s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(99,102,241,.4); box-shadow: 0 16px 40px rgba(0,0,0,.35); }
.card-icon {
    width: 44px; height: 44px; border-radius: 12px; margin-bottom: 18px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(99,102,241,.18), rgba(139,92,246,.18));
    border: 1px solid rgba(99,102,241,.3); color: var(--p500); font-size: 18px;
}
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--text-2); }

/* ---------- Steps ---------- */
.steps { display: flex; align-items: stretch; gap: 18px; justify-content: center; }
.step {
    flex: 1; max-width: 320px; background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 28px;
}
.step-n {
    width: 36px; height: 36px; border-radius: 50%; margin-bottom: 16px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--p500), var(--a500));
    font-weight: 800; font-size: 15px; color: #fff;
}
.step h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-2); }
.step-arrow { display: flex; align-items: center; color: var(--text-3); font-size: 18px; }

/* ---------- Pricing ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.price-card {
    position: relative; background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 28px 24px;
    display: flex; flex-direction: column;
    transition: all .25s ease;
}
.price-card:hover { transform: translateY(-4px); border-color: rgba(99,102,241,.4); }
.price-card.featured { border-color: var(--p500); box-shadow: 0 0 0 1px var(--p500), 0 20px 50px rgba(99,102,241,.2); }
.featured-tag {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--p500), var(--a500));
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
    padding: 4px 14px; border-radius: 999px; color: #fff; white-space: nowrap;
}
.price-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.price .amount { font-size: 38px; font-weight: 800; letter-spacing: -.03em; }
.price .per { color: var(--text-3); font-size: 14px; font-weight: 600; }
.price-tag { font-size: 13px; color: var(--text-3); margin-bottom: 20px; }
.price-card ul { list-style: none; margin-bottom: 24px; flex: 1; }
.price-card li { font-size: 13.5px; color: var(--text-2); padding: 5px 0; display: flex; gap: 9px; align-items: baseline; }
.price-card li i { color: var(--ok); font-size: 11px; }
.pricing-note { text-align: center; color: var(--text-3); font-size: 13px; margin-top: 28px; }

/* ---------- Final CTA ---------- */
.final-cta { padding: 100px 24px; text-align: center; position: relative; overflow: hidden; }
.final-cta::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse at 50% 120%, rgba(99,102,241,.25), transparent 60%);
}
.final-inner { position: relative; max-width: 620px; margin: 0 auto; }
.final-icon {
    width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 24px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--p500), var(--a500));
    font-size: 26px; color: #fff; box-shadow: 0 10px 40px rgba(99,102,241,.45);
}
.final-cta h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 14px; }
.final-cta p { color: var(--text-2); margin-bottom: 30px; font-size: 16px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 56px 24px 28px; }
.footer-inner { max-width: 1160px; margin: 0 auto 40px; display: flex; gap: 60px; flex-wrap: wrap; }
.footer-brand { max-width: 280px; }
.footer-tag { color: var(--text-3); font-size: 13px; margin-top: 12px; }
.footer-col h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); margin-bottom: 14px; }
.footer-col a { display: block; color: var(--text-2); font-size: 14px; padding: 4px 0; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { max-width: 1160px; margin: 0 auto; padding-top: 22px; border-top: 1px solid var(--border); color: var(--text-3); font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .grid-4 { grid-template-columns: 1fr 1fr; }
    .steps { flex-direction: column; align-items: center; }
    .step { max-width: 420px; width: 100%; }
    .step-arrow { transform: rotate(90deg); }
    .nav-links, .nav-cta { display: none; }
    .nav-burger { display: block; }
}
@media (max-width: 560px) {
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .hero { padding: 60px 18px 56px; }
    .section { padding: 64px 18px; }
    .demo-cards { grid-template-columns: 1fr; }
}

/* ---------- Checker ---------- */
.checker-section { padding-top: 40px; }
.eyebrow-green { color: #4ade80; background: rgba(34,197,94,.1); border-color: rgba(34,197,94,.25); }
.checker-box {
    max-width: 780px; margin: 0 auto;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 20px; padding: 28px; box-shadow: var(--shadow-lg);
}
.checker-form { display: flex; gap: 12px; }
.checker-input-wrap {
    flex: 1; display: flex; align-items: center; gap: 10px;
    background: rgba(255,255,255,.04); border: 1px solid var(--border);
    border-radius: 14px; padding: 0 16px; transition: border-color .2s;
}
.checker-input-wrap:focus-within { border-color: var(--p500); }
.checker-input-wrap i { color: var(--text-3); font-size: 14px; }
.checker-input-wrap input {
    flex: 1; background: none; border: none; outline: none;
    color: var(--text); font-size: 15px; padding: 14px 0; font-family: 'JetBrains Mono', monospace;
}
.checker-input-wrap input::placeholder { color: var(--text-3); font-family: 'Inter', sans-serif; }
.checker-hint { font-size: 12.5px; color: var(--text-3); margin-top: 12px; text-align: center; }
.hidden { display: none !important; }
.checker-error {
    margin-top: 16px; padding: 14px 16px; border-radius: 12px; font-size: 14px;
    background: rgba(239,68,68,.08); border: 1px solid rgba(239,68,68,.3); color: #f87171;
}
.checker-results { margin-top: 24px; }
.checker-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
.cs-item { background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 12px; padding: 14px; text-align: center; }
.cs-num { font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.cs-num.ok { color: #4ade80; }
.cs-num.err { color: #f87171; }
.cs-ms { font-size: 13px; color: var(--text-3); font-weight: 600; margin-left: 2px; }
.cs-lbl { font-size: 11px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-top: 2px; }
.checker-chain { margin-bottom: 22px; }
.hop {
    display: flex; align-items: center; gap: 14px;
    background: rgba(255,255,255,.03); border: 1px solid var(--border);
    border-radius: 12px; padding: 12px 16px;
}
.hop-status {
    min-width: 52px; text-align: center; padding: 5px 8px; border-radius: 8px;
    font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 600;
}
.hop-status.s2 { background: rgba(34,197,94,.12); color: #4ade80; }
.hop-status.s3 { background: rgba(99,102,241,.14); color: #a5b4fc; }
.hop-status.s4, .hop-status.s0 { background: rgba(239,68,68,.12); color: #f87171; }
.hop-body { flex: 1; min-width: 0; }
.hop-url { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--text); word-break: break-all; }
.hop-err { font-size: 12px; color: #f87171; margin-top: 3px; }
.hop-time { font-size: 12px; color: var(--text-3); font-family: 'JetBrains Mono', monospace; white-space: nowrap; }
.hop-arrow {
    display: flex; align-items: center; gap: 8px; padding: 4px 0 4px 22px;
    color: var(--text-3); font-size: 12px;
}
.hop-arrow i { font-size: 11px; }
.checker-cta {
    margin-top: 8px; padding: 26px; border-radius: 16px; text-align: center;
    background: linear-gradient(180deg, rgba(99,102,241,.1), rgba(139,92,246,.06));
    border: 1px solid rgba(99,102,241,.35);
}
.checker-cta-icon {
    width: 48px; height: 48px; border-radius: 14px; margin: 0 auto 14px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--p500), var(--a500));
    color: #fff; font-size: 20px; box-shadow: 0 6px 24px rgba(99,102,241,.4);
}
.checker-cta h3 { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.checker-cta p { color: var(--text-2); font-size: 14.5px; max-width: 560px; margin: 0 auto 16px; }
.checker-cta-list { list-style: none; text-align: left; max-width: 560px; margin: 0 auto 22px; }
.checker-cta-list li { display: flex; gap: 10px; padding: 6px 0; font-size: 14px; color: var(--text-2); align-items: baseline; }
.checker-cta-list li i { color: #4ade80; font-size: 12px; }
.checker-cta-list li strong { color: var(--text); }
.checker-cta-note { font-size: 12.5px; color: var(--text-3); margin-top: 12px; }

/* ---------- Deep-dive sections ---------- */
.deep {
    display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
    padding: 56px 0; border-top: 1px solid var(--border);
}
.deep:first-of-type { border-top: none; padding-top: 0; }
.deep.flip .deep-text { order: 2; }
.deep.flip .deep-visual { order: 1; }
.deep h3 { font-size: clamp(22px, 3vw, 28px); font-weight: 800; margin-bottom: 14px; }
.deep h4 { font-size: 14px; font-weight: 700; margin: 22px 0 10px; color: var(--text); display: flex; align-items: center; gap: 8px; }
.deep h4 i { color: var(--p500); font-size: 13px; }
.deep p { color: var(--text-2); font-size: 15px; }
.deep ul, .deep ol { padding-left: 0; list-style: none; }
.deep ul li { position: relative; padding: 6px 0 6px 22px; font-size: 14.5px; color: var(--text-2); }
.deep ul li::before { content: '▸'; position: absolute; left: 4px; color: var(--p500); }
.deep ul li strong { color: var(--text); }
.deep ol { counter-reset: step; }
.deep ol li { counter-increment: step; position: relative; padding: 6px 0 6px 34px; font-size: 14.5px; color: var(--text-2); }
.deep ol li::before {
    content: counter(step); position: absolute; left: 0; top: 7px;
    width: 22px; height: 22px; border-radius: 50%;
    background: rgba(99,102,241,.14); border: 1px solid rgba(99,102,241,.35);
    color: var(--p500); font-size: 11.5px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.deep ol li strong, .deep code {
    color: var(--text);
}
.deep code {
    font-family: 'JetBrains Mono', monospace; font-size: 12.5px;
    background: rgba(255,255,255,.06); padding: 2px 6px; border-radius: 6px;
}

/* Mini UI mocks */
.mini-ui {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 16px; padding: 18px; box-shadow: var(--shadow-lg);
    display: flex; flex-direction: column; gap: 8px;
}
.mini-row { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; background: rgba(255,255,255,.03); border: 1px solid var(--border); font-size: 13.5px; }
.mini-head { font-weight: 700; font-size: 14px; }
.mini-dot { width: 9px; height: 9px; border-radius: 50%; }
.mini-dot.ok { background: var(--ok); box-shadow: 0 0 8px rgba(34,197,94,.6); }
.mini-pill { margin-left: auto; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.mini-pill.ok { background: rgba(34,197,94,.12); color: #4ade80; }
.mini-pill.warn { background: rgba(245,158,11,.12); color: #fbbf24; }
.mini-pill.err { background: rgba(239,68,68,.12); color: #f87171; }
.mini-lbl { color: var(--text-3); font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
.mini-val { color: var(--text); font-weight: 600; font-size: 13px; margin-left: auto; }
.mini-val.mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; }
.ok-row { color: #4ade80; font-weight: 600; font-size: 13px; }
.sub-row { color: var(--text-3); font-size: 12.5px; }
.err-text { color: #f87171; }
.mini-alert { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border-radius: 12px; background: rgba(255,255,255,.03); border: 1px solid var(--border); }
.mini-alert-icon {
    width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: rgba(99,102,241,.15); color: var(--p500); font-size: 15px;
}
.mini-alert-title { font-size: 13.5px; font-weight: 700; }
.mini-alert-sub { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.mini-step { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; background: rgba(255,255,255,.03); border: 1px solid var(--border); font-family: 'JetBrains Mono', monospace; font-size: 12.5px; }
.mini-step-n {
    width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: rgba(99,102,241,.14); border: 1px solid rgba(99,102,241,.35);
    color: var(--p500); font-size: 11px; font-weight: 700; font-family: 'Inter', sans-serif;
}
.mini-step .mini-pill { margin-left: auto; }
.mini-bars { height: 40px; margin-top: 4px; }
.badge-demo { align-items: flex-start; gap: 10px; }
.badge-svg { display: inline-flex; border-radius: 5px; overflow: hidden; font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 600; }
.badge-svg .b-l { background: #3f3f46; color: #e4e4e7; padding: 4px 8px; }
.badge-svg .b-r { background: #22c55e; color: #fff; padding: 4px 8px; }
.mini-code {
    font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--text-3);
    background: rgba(255,255,255,.04); border: 1px solid var(--border);
    padding: 8px 10px; border-radius: 8px; word-break: break-all; margin-top: 4px;
}
.strip strong { color: var(--text-2); }

/* Responsive deep sections */
@media (max-width: 900px) {
    .deep { grid-template-columns: 1fr; gap: 24px; padding: 40px 0; }
    .deep.flip .deep-text { order: 1; }
    .deep.flip .deep-visual { order: 2; }
    .checker-form { flex-direction: column; }
    .checker-form .btn { width: 100%; }
}