/* ============================================================
   LLMGate — современный лендинг (только .landing, без влияния
   на страницы приложения)
   ============================================================ */

.landing {
    --bg: #05060f;
    --ink: #eef1ff;
    --muted: #9aa3c7;
    --indigo: #6366f1;
    --cyan: #22d3ee;
    --fuchsia: #e879f9;
    --glass: rgba(255, 255, 255, 0.055);
    --glass-br: rgba(255, 255, 255, 0.12);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;

    position: relative;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
}

.landing a { text-decoration: none; color: inherit; }
.landing ::selection { background: rgba(99, 102, 241, 0.45); }

.lg-shell {
    width: min(1160px, 92vw);
    margin: 0 auto;
}

/* ---------- фон: орбы + сетка ---------- */
.lg-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.landing > * { position: relative; z-index: 1; }

.lg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
    will-change: transform;
}
.lg-orb-1 {
    width: 560px; height: 560px;
    background: radial-gradient(circle, #6366f1 0%, transparent 65%);
    top: -180px; left: -120px;
    animation: lg-float 14s ease-in-out infinite alternate;
}
.lg-orb-2 {
    width: 480px; height: 480px;
    background: radial-gradient(circle, #22d3ee 0%, transparent 65%);
    top: 10%; right: -160px;
    animation: lg-float 18s ease-in-out infinite alternate-reverse;
}
.lg-orb-3 {
    width: 520px; height: 520px;
    background: radial-gradient(circle, #e879f9 0%, transparent 65%);
    bottom: -220px; left: 30%;
    opacity: 0.35;
    animation: lg-float 22s ease-in-out infinite alternate;
}
@keyframes lg-float {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(60px, 40px, 0) scale(1.12); }
}

.lg-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
}

/* ---------- общие секции ---------- */
.lg-h2 {
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.8px;
    text-align: center;
    margin: 0 0 12px;
}
.lg-sub {
    text-align: center;
    color: var(--muted);
    font-size: 1.05rem;
    margin: 0 0 48px;
}

/* ---------- возможности ---------- */
.lg-features { padding: 80px 0 20px; }
.lg-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.lg-card {
    background: var(--glass);
    border: 1px solid var(--glass-br);
    border-radius: 18px;
    padding: 28px 26px;
    backdrop-filter: blur(10px);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.lg-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.16);
}
.lg-ico { font-size: 1.9rem; margin-bottom: 14px; }
.lg-card h3 { font-size: 1.06rem; font-weight: 700; margin: 0 0 10px; }
.lg-card p { color: var(--muted); font-size: 0.92rem; line-height: 1.6; margin: 0; }

/* ---------- шаги ---------- */
.lg-how { padding: 70px 0 20px; }
.lg-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.lg-step {
    background: var(--glass);
    border: 1px solid var(--glass-br);
    border-radius: 18px;
    padding: 30px 26px;
    backdrop-filter: blur(10px);
}
.lg-step-num {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin-bottom: 14px;
    background: linear-gradient(135deg, var(--indigo), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.lg-step h3 { font-size: 1.1rem; margin: 0 0 10px; }
.lg-step p { color: var(--muted); font-size: 0.92rem; line-height: 1.6; margin: 0; }

/* ---------- CTA ---------- */
.lg-cta-sec { padding: 80px 0 90px; }
.lg-cta {
    text-align: center;
    padding: 64px 40px;
    border-radius: 24px;
    background:
        radial-gradient(120% 180% at 50% 0%, rgba(99, 102, 241, 0.28) 0%, transparent 60%),
        rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-br);
    backdrop-filter: blur(10px);
}
.lg-cta h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; letter-spacing: -0.8px; margin: 0 0 12px; }
.lg-cta p { color: var(--muted); font-size: 1.05rem; margin: 0 0 30px; }

/* ---------- футер ---------- */
.lg-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    padding: 26px 0;
}
.lg-footer-inner {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.85rem;
}
.lg-footer-inner .lg-logo { font-size: 0.95rem; }
.lg-footer-inner .lg-logo-mark { width: 24px; height: 24px; font-size: 0.65rem; }
.lg-footer-links { margin-left: auto; }
.lg-footer-links a { color: var(--muted); transition: color 0.2s; }
.lg-footer-links a:hover { color: var(--ink); }

/* ---------- появление при скролле ---------- */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- навбар ---------- */
.lg-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 50;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: rgba(5, 6, 15, 0.55);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.lg-nav-inner {
    display: flex; align-items: center; gap: 28px;
    padding: 14px 0;
}
.lg-logo {
    display: inline-flex; align-items: center; gap: 10px;
    font-weight: 800; font-size: 1.06rem; letter-spacing: 0.2px;
}
.lg-logo-mark {
    display: inline-grid; place-items: center;
    width: 30px; height: 30px; border-radius: 9px;
    background: linear-gradient(135deg, var(--indigo), var(--cyan));
    font-size: 0.78rem; font-weight: 900; color: #fff;
    box-shadow: 0 4px 18px rgba(99, 102, 241, 0.45);
}
.lg-nav-links { display: flex; gap: 22px; margin-left: 8px; }
.lg-nav-links a {
    color: var(--muted); font-size: 0.92rem; font-weight: 500;
    transition: color 0.2s;
}
.lg-nav-links a:hover { color: var(--ink); }
.lg-nav-actions { margin-left: auto; display: flex; gap: 10px; }

/* ---------- кнопки ---------- */
.lg-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 20px; border-radius: 999px;
    font-weight: 600; font-size: 0.95rem;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s;
    white-space: nowrap;
}
.lg-btn:active { transform: scale(0.97); }
.lg-btn-lg { padding: 14px 30px; font-size: 1.02rem; }

.lg-btn-primary {
    background: linear-gradient(135deg, var(--indigo), #4f46e5 55%, var(--cyan));
    color: #fff;
    box-shadow: 0 8px 28px rgba(99, 102, 241, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.lg-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(99, 102, 241, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.lg-btn-ghost {
    background: var(--glass);
    border: 1px solid var(--glass-br);
    color: var(--ink);
    backdrop-filter: blur(8px);
}
.lg-btn-ghost:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-1px); }
.lg-btn-light {
    background: #fff; color: #1e1b4b;
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.18);
}
.lg-btn-light:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(255, 255, 255, 0.25); }

/* ---------- hero ---------- */
.lg-hero { padding: 168px 0 90px; }
.lg-hero .lg-shell {
    display: grid; grid-template-columns: 1.05fr 0.95fr;
    gap: 48px; align-items: center;
}
.lg-pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 14px; border-radius: 999px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.35);
    color: #c7d2fe; font-size: 0.82rem; font-weight: 600;
    margin-bottom: 22px;
}
.lg-pill::before {
    content: ""; width: 8px; height: 8px; border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
    animation: lg-pulse 2s infinite;
}
@keyframes lg-pulse {
    0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
    70% { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
    100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.lg-hero h1 {
    font-size: clamp(2.4rem, 5.2vw, 4rem);
    line-height: 1.06;
    font-weight: 800;
    letter-spacing: -1.2px;
    margin: 0 0 20px;
}
.lg-grad {
    background: linear-gradient(92deg, var(--indigo) 0%, var(--cyan) 55%, var(--fuchsia) 110%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.lg-lead {
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.65;
    max-width: 52ch;
    margin: 0 0 30px;
}
.lg-hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 44px; }
.lg-hero-cta .lg-btn-lg { padding: 13px 24px; font-size: 0.92rem; }

.lg-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.lg-stat b {
    display: block;
    font-size: 1.7rem; font-weight: 800; letter-spacing: -0.5px;
    background: linear-gradient(180deg, #fff, #a5b4fc);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lg-stat span { color: var(--muted); font-size: 0.83rem; }

/* ---------- терминал ---------- */
.lg-hero-card { position: relative; }
.lg-term {
    border-radius: 16px;
    background: rgba(10, 12, 26, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(99, 102, 241, 0.12), 0 0 60px rgba(99, 102, 241, 0.12);
    backdrop-filter: blur(10px);
    overflow: hidden;
    transform: perspective(1200px) rotateY(-6deg) rotateX(2deg);
    transition: transform 0.5s ease;
}
.lg-hero-card:hover .lg-term { transform: perspective(1200px) rotateY(-2deg) rotateX(1deg); }
.lg-term-bar {
    display: flex; align-items: center; gap: 7px;
    padding: 11px 14px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.lg-dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.lg-dot.red { background: #ff5f57; }
.lg-dot.yellow { background: #febc2e; }
.lg-dot.green { background: #28c840; }
.lg-term-title { margin-left: 8px; color: var(--muted); font-size: 0.74rem; font-family: "Cascadia Code", Consolas, monospace; }
.lg-term-body {
    margin: 0;
    padding: 20px 22px 24px;
    font-family: "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace;
    font-size: 0.86rem;
    line-height: 1.75;
    color: #dbe2ff;
    white-space: pre;
    overflow-x: auto;
}
.lg-term-body .c-dim { color: #64748b; }
.lg-term-body .c-str { color: #7dd3fc; }
.lg-term-body .c-num { color: #fbbf24; }
.lg-term-body .c-ok { color: #34d399; font-weight: 700; }

.lg-chip {
    position: absolute;
    padding: 9px 14px;
    border-radius: 12px;
    background: rgba(15, 18, 38, 0.9);
    border: 1px solid var(--glass-br);
    font-size: 0.82rem; font-weight: 600;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(8px);
    animation: lg-chip-float 6s ease-in-out infinite alternate;
}
.lg-chip-1 { top: -18px; right: 8%; }
.lg-chip-2 { bottom: -16px; left: 4%; animation-delay: -3s; }

@keyframes lg-chip-float {
    from { transform: translateY(-4px); }
    to   { transform: translateY(6px); }
}

/* ---------- модели и цены ---------- */
.lg-models { padding: 70px 0 20px; }
.lg-table-wrap {
    border-radius: 18px;
    border: 1px solid var(--glass-br);
    background: var(--glass);
    backdrop-filter: blur(10px);
    overflow-x: auto;
}
.lg-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.94rem;
    min-width: 520px;
}
.lg-table th, .lg-table td {
    padding: 15px 22px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.lg-table thead th {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    background: rgba(255, 255, 255, 0.03);
}
.lg-table tbody tr:last-child td { border-bottom: none; }
.lg-table tbody tr { transition: background 0.15s ease; }
.lg-table tbody tr:hover { background: rgba(99, 102, 241, 0.07); }
.lg-table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lg-table thead .num { text-align: right; }
.lg-model-name { font-weight: 600; }
.lg-model-name code {
    font-family: "Cascadia Code", Consolas, monospace;
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-br);
    border-radius: 6px;
    padding: 3px 8px;
}
.lg-models-empty {
    text-align: center;
    color: var(--muted);
    padding: 36px 20px;
    border-radius: 18px;
    border: 1px dashed rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.03);
    font-size: 0.95rem;
}

/* ---------- подключение ---------- */
.lg-connect { padding: 70px 0 20px; }
.lg-code-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.lg-code-card {
    border-radius: 16px;
    border: 1px solid var(--glass-br);
    background: rgba(10, 12, 26, 0.7);
    backdrop-filter: blur(10px);
    overflow: hidden;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.lg-code-card:hover {
    border-color: rgba(99, 102, 241, 0.45);
    box-shadow: 0 18px 48px rgba(99, 102, 241, 0.14);
    transform: translateY(-3px);
}
.lg-code-tab {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-family: "Cascadia Code", "JetBrains Mono", Consolas, monospace;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--muted);
    text-transform: uppercase;
}
.lg-code-tab::before {
    content: "";
    width: 9px; height: 9px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--indigo), var(--cyan));
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.6);
}
.lg-code-body {
    margin: 0;
    padding: 22px 24px 26px;
    font-family: "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace;
    font-size: 0.84rem;
    line-height: 1.8;
    color: #dbe2ff;
    white-space: pre;
    overflow-x: auto;
    tab-size: 4;
}
.lg-code-body::-webkit-scrollbar { height: 8px; }
.lg-code-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.14); border-radius: 8px; }
.lg-code-body .c-kw  { color: #c084fc; font-weight: 600; }
.lg-code-body .c-str { color: #7dd3fc; }
.lg-code-body .c-fn  { color: #fbbf24; }
.lg-code-body .c-num { color: #fbbf24; }
.lg-code-body .c-dim { color: #64748b; }
.lg-connect-note {
    margin-top: 22px;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ---------- FAQ ---------- */
.lg-faq { padding: 70px 0 20px; }
.lg-faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 780px;
    margin: 0 auto;
}
.lg-faq-item {
    background: var(--glass);
    border: 1px solid var(--glass-br);
    border-radius: 14px;
    backdrop-filter: blur(10px);
    overflow: hidden;
    transition: border-color 0.2s ease, background 0.2s ease;
}
.lg-faq-item[open] {
    border-color: rgba(99, 102, 241, 0.5);
    background: rgba(99, 102, 241, 0.06);
}
.lg-faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 18px 52px 18px 22px;
    font-weight: 600;
    font-size: 0.98rem;
    position: relative;
}
.lg-faq-item summary::-webkit-details-marker { display: none; }
.lg-faq-item summary::after {
    content: "+";
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--indigo);
    transition: transform 0.2s ease;
}
.lg-faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.lg-faq-item p {
    margin: 0;
    padding: 0 22px 18px;
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.65;
}

/* ---------- шлейф курсора ---------- */
.lg-cursor-trail {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 60;
    pointer-events: none;
}

/* ---------- адаптив ---------- */
@media (max-width: 1199px) {
    .lg-hero { padding-top: 130px; }
    .lg-hero .lg-shell { grid-template-columns: 1fr; }
    .lg-hero-card { max-width: 560px; }
    .lg-term { transform: none; }
}
@media (max-width: 960px) {
    .lg-grid-3, .lg-steps { grid-template-columns: 1fr 1fr; }
    .lg-code-grid { grid-template-columns: 1fr; }
    .lg-nav-links { display: none; }
}
@media (max-width: 640px) {
    .lg-grid-3, .lg-steps { grid-template-columns: 1fr; }
    .lg-stats { gap: 22px; }
    .lg-nav-actions .lg-btn-ghost { display: none; }
    .lg-table th, .lg-table td { padding: 13px 16px; }
}

@media (prefers-reduced-motion: reduce) {
    .lg-orb, .lg-chip, .lg-pill::before { animation: none; }
    .reveal { opacity: 1; transform: none; transition: none; }
}