/* Landing page styles — rides on top of the dashboard's --fi-* palette. */

body.landing {
    display: block;
    background:
        radial-gradient(1100px 600px at -10% -10%, rgba(36,112,188,0.10), transparent 60%),
        radial-gradient(900px 500px at 110% 10%, rgba(238,162,54,0.10), transparent 60%),
        #f7f9fc;
    color: var(--fi-text);
    overflow-x: hidden;
}

.landing-shell { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

/* ── Nav ──────────────────────────────────────────────────── */
.landing-nav {
    display: flex; align-items: center; justify-content: space-between;
    padding: 22px 0 0;
}
.brand-mark { display: flex; align-items: center; gap: 5px; font-size: 16px; font-weight: 800; letter-spacing: -0.01em; text-decoration: none; color: var(--fi-text); }
.brand-mark .seal { width: 32px; height: 32px; border-radius: 6px; background: rgb(36, 112, 188); display: grid; place-items: center; color: #fff; font-family: "Space Mono", monospace; font-weight: 800; font-size: 13px; letter-spacing: 0; box-shadow: 0 2px 8px rgba(21,35,67,0.25); }
.brand-mark .brand-text { color: var(--fi-text); }

.landing-nav .nav-links { display: flex; gap: 18px; align-items: center; font-size: 13px; }
.landing-nav .nav-links a { color: var(--fi-text); text-decoration: none; }
.landing-nav .nav-links a:hover { color: var(--fi-primary); }
.landing-nav .nav-cta { display: flex; gap: 8px; align-items: center; }

.lang-pills { display: inline-flex; gap: 0; border: 1px solid var(--fi-border); border-radius: 999px; padding: 2px; background: #fff; }
.lang-pills a { padding: 4px 12px; font-size: 11px; font-weight: 700; border-radius: 999px; color: var(--fi-text-muted); text-decoration: none; }
.lang-pills a.active { background: #152343; color: #fff; }

/* On phones the full nav row is wider than the viewport — let it wrap and
   drop the in-page anchor links, keeping brand + language switch + GitHub. */
@media (max-width: 720px) {
    .landing-nav { flex-wrap: wrap; gap: 10px 14px; padding-top: 16px; }
    .landing-nav .nav-links { display: none; }
    .landing-nav .nav-cta { flex: 1; justify-content: flex-end; }
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero { padding: 64px 0 56px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 940px) { .hero { grid-template-columns: 1fr; gap: 36px; padding: 36px 0 28px; } }

.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: "Space Mono", monospace;
    font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
    background: #fff; border: 1px solid var(--fi-border); border-radius: 999px;
    padding: 4px 12px; color: var(--fi-text-muted);
}
.hero-eyebrow .dot-live { width: 6px; height: 6px; border-radius: 50%; background: var(--fi-success); box-shadow: 0 0 0 3px rgba(46,125,50,0.18); }

.hero h1 {
    font-size: clamp(36px, 4.6vw, 56px);
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 20px 0 14px;
    color: #1a2436;
}
.hero h1 .accent { color: var(--fi-primary); }
.hero h1 .strike-oid { font-family: "Space Mono", monospace; font-size: 0.4em; letter-spacing: 0.04em; color: var(--fi-text-muted); display: block; margin-top: 8px; font-weight: 500; }

.hero p.lead { font-size: 16px; line-height: 1.55; color: var(--fi-text-muted); max-width: 56ch; }

.hero-cta { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.cta-primary { background: var(--fi-primary); color: #fff; padding: 12px 22px; border-radius: 4px; font-weight: 700; font-size: 14px; text-decoration: none; border: 1px solid var(--fi-primary-variant); box-shadow: 0 4px 14px rgba(36,112,188,0.25); display: inline-flex; align-items: center; gap: 8px; }
.cta-primary:hover { background: var(--fi-primary-variant); }
.cta-ghost { background: transparent; color: var(--fi-text); padding: 12px 18px; border-radius: 4px; font-weight: 700; font-size: 14px; text-decoration: none; border: 1px solid var(--fi-border); display: inline-flex; align-items: center; gap: 8px; }
.cta-ghost:hover { background: #fff; }
/* Equal-width buttons inside the hero and quickstart CTA rows */
.hero-cta .cta-primary, .hero-cta .cta-ghost,
.cta-row .cta-primary, .cta-row .cta-ghost { flex: 1 1 0; justify-content: center; text-align: center; }
/* On mobile, stack them one per row. Placed after the rule above so it wins. */
@media (max-width: 720px) {
    .hero-cta .cta-primary, .hero-cta .cta-ghost,
    .cta-row .cta-primary, .cta-row .cta-ghost { flex-basis: 100%; }
}

.hero-meta { display: flex; gap: 28px; margin-top: 36px; padding-top: 22px; border-top: 1px dashed var(--fi-border); font-size: 12px; color: var(--fi-text-muted); }
.hero-meta b { display: block; color: var(--fi-text); font-size: 14px; font-family: "Space Mono", monospace; }

/* Hero preview card — frames a stylised dashboard chrome */
.hero-preview {
    position: relative;
    background: var(--fi-bg);
    border: 1px solid var(--fi-border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow:
        0 30px 60px -20px rgba(21,35,67,0.30),
        0 12px 24px -12px rgba(21,35,67,0.18);
    transform: rotate(0.4deg);
    transition: transform 0.4s ease;
}
.hero-preview:hover { transform: rotate(0deg) translateY(-4px); }
.hp-bar { background: #f2f4f7; border-bottom: 1px solid var(--fi-border); padding: 10px 14px; display: flex; align-items: center; gap: 8px; }
.hp-bar .dot { width: 10px; height: 10px; border-radius: 50%; background: #d8dde3; }
.hp-bar .dot.r { background: #ff6261; }
.hp-bar .dot.y { background: #ffbe2e; }
.hp-bar .dot.g { background: #2fc758; }
.hp-bar .url { margin-left: 10px; font-family: "Space Mono", monospace; font-size: 11px; color: var(--fi-text-muted); }
.hp-bar .lock { color: var(--fi-success); margin-right: 4px; font-size: 12px; }
.hp-body { display: grid; grid-template-columns: 56px 1fr; min-height: 320px; }
.hp-side { background: #fff; border-right: 1px solid #eef0f3; display: flex; flex-direction: column; align-items: center; padding: 12px 0; gap: 14px; }
.hp-side .ico { width: 28px; height: 28px; border-radius: 4px; background: #eef2f7; display: grid; place-items: center; color: var(--fi-text-muted); font-size: 13px; }
.hp-side .ico.active { background: var(--fi-primary); color: #fff; box-shadow: 0 2px 6px rgba(36,112,188,0.35); }
.hp-main { padding: 14px; display: grid; gap: 10px; }
.hp-topline { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--fi-text-muted); }
.hp-topline strong { color: var(--fi-text); font-weight: 800; font-size: 13px; }
.hp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.hp-kpi { background: #fff; border: 1px solid #eef0f3; border-radius: 4px; padding: 8px 10px; }
.hp-kpi .lbl { font-size: 9px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fi-text-muted); font-weight: 700; }
.hp-kpi .val { font-size: 18px; font-weight: 800; color: var(--fi-text); margin-top: 2px; }
.hp-kpi.accent { background: #eef5fc; border-color: #c4dcf1; }
.hp-kpi.warn  { background: #fff7e0; border-color: #f4dba0; }
.hp-tbl { background: #fff; border: 1px solid #eef0f3; border-radius: 4px; padding: 10px 12px; font-size: 11px; }
.hp-tbl .row { display: grid; grid-template-columns: 1fr 60px 70px 90px; gap: 8px; padding: 4px 0; align-items: center; border-bottom: 1px dashed #eef0f3; }
.hp-tbl .row:last-child { border-bottom: none; }
.hp-tbl .row .nm { font-weight: 700; color: var(--fi-text); font-size: 12px; }
.hp-tbl .row .bdg { font-size: 10px; padding: 1px 6px; border-radius: 2px; font-weight: 700; text-align: center; }
.hp-tbl .bdg.b { background: #cce5ff; color: #004085; }
.hp-tbl .bdg.w { background: #fff3cd; color: #856404; }
.hp-tbl .bdg.g { background: #d4edda; color: #155724; }
.hp-tbl .row .alg { font-family: "Space Mono", monospace; color: var(--fi-text-muted); }

/* hover orbit */
.hero-art-orbit { position: absolute; top: -90px; right: -90px; width: 260px; height: 260px; border: 1px dashed #c4d3e4; border-radius: 50%; opacity: 0.5; pointer-events: none; }
.hero-art-orbit::before { content: ''; position: absolute; top: 10px; left: 50%; width: 10px; height: 10px; border-radius: 50%; background: var(--fi-primary); transform: translateX(-50%); box-shadow: 0 0 0 4px rgba(36,112,188,0.18); }

/* ── Feature grid ─────────────────────────────────────────── */
.section { padding: 64px 0; }
.section-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.2em; color: var(--fi-text-muted); font-family: "Space Mono", monospace; margin-bottom: 10px; }
.section h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 800; letter-spacing: -0.01em; color: #1a2436; margin-bottom: 36px; max-width: 22ch; line-height: 1.15; }

.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 940px) { .feat-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .feat-grid { grid-template-columns: 1fr; } }
/* API (PAT) section: two feat cards + wider code block on desktop, stacks on mobile */
.feat-grid.api-grid { grid-template-columns: 1fr 1fr 1.3fr; }
@media (max-width: 940px) { .feat-grid.api-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .feat-grid.api-grid { grid-template-columns: 1fr; } }

.shots-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 18px; }
@media (max-width: 940px) { .shots-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .shots-grid { grid-template-columns: 1fr; } }
.shot {
    display: block;
    background: #fff;
    border: 1px solid var(--fi-border);
    border-radius: 6px;
    overflow: hidden;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.shot:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -16px rgba(21,35,67,0.25); }
.shot img { display: block; width: 100%; height: 168px; object-fit: cover; object-position: top left; background: #f5f7fb; }
.shot span { display: block; padding: 10px 14px; font-size: 12px; font-weight: 700; color: #1a2436; }

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(8,14,30,0.88);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 32px;
    z-index: 1000;
    cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lightbox img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 8px;
    box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6);
    cursor: default;
}
.lightbox .lb-close {
    position: absolute;
    top: 18px;
    right: 26px;
    width: 38px;
    height: 38px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 24px;
    line-height: 1;
    border-radius: 8px;
    cursor: pointer;
}
.lightbox .lb-close:hover { background: rgba(255,255,255,0.2); }

.feat {
    background: #fff;
    border: 1px solid var(--fi-border);
    border-radius: 6px;
    padding: 22px 22px 24px;
    position: relative;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.feat:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -16px rgba(21,35,67,0.25); }
.feat .feat-num { font-family: "Space Mono", monospace; font-size: 10px; color: var(--fi-text-muted); letter-spacing: 0.18em; margin-bottom: 14px; }
.feat h3 { font-size: 17px; font-weight: 800; margin: 0 0 8px; color: #1a2436; line-height: 1.25; }
.feat p { font-size: 13px; color: var(--fi-text-muted); line-height: 1.55; }
.feat .feat-icon { width: 36px; height: 36px; border-radius: 6px; background: #eef5fc; color: var(--fi-primary); display: grid; place-items: center; font-size: 16px; margin-bottom: 14px; }
.feat.alt .feat-icon { background: #fff7e0; color: var(--fi-warning); }
.feat.dark { background: #152343; color: #d0d8e8; border-color: #152343; }
.feat.dark h3 { color: #fff; }
.feat.dark p { color: #a8b3c8; }
.feat.dark .feat-num { color: #6b7793; }
.feat.dark .feat-icon { background: rgba(255,255,255,0.08); color: #ffd887; }
/* Header row: icon sits inline to the left of the number label */
.feat { display: flex; flex-wrap: wrap; align-items: center; }
.feat .feat-icon { order: -1; margin: 0 10px 0 0; }
.feat .feat-num { margin-bottom: 0; }
.feat h3 { flex-basis: 100%; margin-top: 16px; }
.feat p { flex-basis: 100%; }

/* ── Algorithms strip ─────────────────────────────────────── */
.algo-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0; background: #fff; border: 1px solid var(--fi-border); border-radius: 6px; overflow: hidden; }
.algo-cell { padding: 18px 20px; border-right: 1px solid var(--fi-border); border-bottom: 1px solid var(--fi-border); }
.algo-cell:last-child { border-right: none; }
.algo-cell .algo-name { font-family: "Space Mono", monospace; font-size: 13px; font-weight: 700; color: #1a2436; }
.algo-cell .algo-rfc  { font-size: 11px; color: var(--fi-text-muted); margin-top: 4px; }
.algo-cell .algo-tag  { display: inline-block; margin-top: 8px; font-size: 10px; padding: 1px 7px; border-radius: 2px; font-weight: 700; }
.algo-tag.gost { background: #fff3cd; color: #856404; }
.algo-tag.std  { background: #cce5ff; color: #004085; }

/* ── Tour grid (screenshots-as-cards) ─────────────────────── */
.tour-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 940px) { .tour-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .tour-grid { grid-template-columns: 1fr; } }

.tour-card { background: #fff; border: 1px solid var(--fi-border); border-radius: 6px; overflow: hidden; text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: transform 0.15s ease, box-shadow 0.15s ease; }
.tour-card:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -16px rgba(21,35,67,0.25); }
.tour-thumb { aspect-ratio: 16/10; background: #f7f9fc; border-bottom: 1px solid var(--fi-border); display: grid; place-items: center; position: relative; overflow: hidden; }
.tour-thumb svg { width: 88%; height: 88%; }
.tour-card-body { padding: 14px 16px 18px; }
.tour-card-body .lbl { font-family: "Space Mono", monospace; font-size: 10px; letter-spacing: 0.16em; color: var(--fi-text-muted); }
.tour-card-body h3 { font-size: 15px; font-weight: 800; color: #1a2436; margin: 4px 0 6px; }
.tour-card-body p { font-size: 12px; color: var(--fi-text-muted); line-height: 1.45; }
.tour-card-body .arrow { display: inline-block; margin-top: 10px; font-size: 12px; font-weight: 700; color: var(--fi-primary); }

/* ── Quickstart code block ────────────────────────────────── */
.quickstart { background: #152343; color: #d0d8e8; border-radius: 8px; padding: 28px 32px; font-family: "Space Mono", monospace; font-size: 13px; line-height: 1.7; overflow: auto; position: relative; }
.quickstart .qs-prompt { color: #6b7793; user-select: none; margin-right: 8px; }
.quickstart .qs-cmd { color: #ffd887; }
.quickstart .qs-comment { color: #6b7793; }
.quickstart .qs-tab { display: flex; gap: 6px; margin: -8px 0 18px -8px; }
.quickstart .qs-tab span { padding: 4px 10px; font-size: 11px; font-family: "Space Mono", monospace; color: #6b7793; }
.quickstart .qs-tab span.on { color: #fff; background: rgba(255,255,255,0.06); border-radius: 3px; }

.quickstart-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px; align-items: center; }
@media (max-width: 880px) { .quickstart-wrap { grid-template-columns: 1fr; } }

/* ── Footer ───────────────────────────────────────────────── */
.landing-footer { border-top: 1px solid var(--fi-border); padding: 28px 0 48px; margin-top: 24px; font-size: 12px; color: var(--fi-text-muted); }
.landing-footer .row { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; }
.landing-footer a { color: var(--fi-text); text-decoration: none; }
.landing-footer a:hover { color: var(--fi-primary); }

/* Ribbon strip with serial */
.serial-ribbon { font-family: "Space Mono", monospace; font-size: 10px; letter-spacing: 0.18em; color: var(--fi-text-muted); border-top: 1px dashed var(--fi-border); border-bottom: 1px dashed var(--fi-border); padding: 6px 0; overflow: hidden; white-space: nowrap; }
.serial-ribbon .scroll-track { display: inline-block; padding-left: 100%; animation: scrollSerial 60s linear infinite; }
@keyframes scrollSerial { from { transform: translateX(0); } to { transform: translateX(-100%); } }

/* Inline OID hint */
.oid-hint { font-family: "Space Mono", monospace; font-size: 11px; color: var(--fi-text-muted); }