/* === STYLE.CSS ===
   ai-platform.space/www/assets/css/style.css
   НАЗНАЧЕНИЕ: Стили лендинга Serflow - мультиязычный
   РАЗМЕР: ~620 строк */

/* --- Variables --- */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #171717;
    --bg-card: #141414;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --text-muted: #666666;
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --gold: #FFD700;
    --gold-dim: rgba(255, 215, 0, 0.1);
    --electric: #00F0FF;
    --electric-dim: rgba(0, 240, 255, 0.1);
    --blue: #3b82f6;
    --green: #10b981;
    --green-dim: rgba(16, 185, 129, 0.1);
    --red: #ef4444;
    --red-dim: rgba(239, 68, 68, 0.1);
    --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --gradient-electric: linear-gradient(135deg, #00F0FF 0%, #0080FF 100%);
    --gradient-text: linear-gradient(135deg, #FFD700 0%, #00F0FF 100%);
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius: 12px;
    --radius-sm: 6px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.5);
}
html.light-theme {
    --bg-primary: #f0ece4;
    --bg-secondary: #e8e3d9;
    --bg-card: #faf8f4;
    --text-primary: #1a1715;
    --text-secondary: #4a4540;
    --text-muted: #7a756e;
    --border: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 0, 0, 0.22);
    --gold: #b8860b;
    --gold-dim: rgba(184, 134, 11, 0.15);
    --electric: #0e7490;
    --electric-dim: rgba(14, 116, 144, 0.12);
    --blue: #1d4ed8;
    --green: #059669;
    --green-dim: rgba(5, 150, 105, 0.12);
    --red: #dc2626;
    --red-dim: rgba(220, 38, 38, 0.08);
    --gradient-gold: linear-gradient(135deg, #b8860b 0%, #d4940a 100%);
    --gradient-electric: linear-gradient(135deg, #0e7490 0%, #1d4ed8 100%);
    --gradient-text: linear-gradient(135deg, #92400e 0%, #0e7490 100%);
    --shadow: 0 4px 16px rgba(80, 60, 30, 0.12), 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 40px rgba(80, 60, 30, 0.18), 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; }

/* --- Container --- */
.sf-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* --- Header --- */
.sf-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 14px 0;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s;
}
html.light-theme .sf-header { background: rgba(240, 236, 228, 0.92); }
.sf-header-inner { display: flex; align-items: center; justify-content: space-between; }
.sf-logo { font-family: var(--font-display); font-size: 20px; font-weight: 800; color: var(--gold); }
.sf-logo span { color: var(--text-primary); font-weight: 400; }
.sf-nav { display: flex; align-items: center; gap: 24px; }
.sf-nav-link { font-size: 14px; color: var(--text-secondary); transition: color 0.2s; }
.sf-nav-link:hover { color: var(--text-primary); }
.sf-nav-cta {
    padding: 6px 16px;
    border-radius: 50px;
    background: var(--gradient-gold);
    color: #0a0a0a !important;
    font-weight: 600;
    font-size: 13px;
}
.sf-nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3); }

/* --- Header controls (lang + theme) --- */
.sf-header-controls { display: flex; align-items: center; gap: 10px; }

/* --- Lang switcher --- */
.sf-lang-switcher {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.sf-lang-btn {
    background: none;
    border: none;
    padding: 5px 10px;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.3px;
}
.sf-lang-btn:not(:last-child) { border-right: 1px solid var(--border); }
.sf-lang-btn:hover { color: var(--text-primary); }
.sf-lang-btn.active {
    background: var(--gold);
    color: #0a0a0a;
}

/* --- Theme toggle --- */
.sf-theme-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 8px;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    transition: all 0.2s;
}
.sf-theme-btn:hover { color: var(--text-primary); border-color: var(--gold); }
.sf-icon-sun { display: none; }
.sf-icon-moon { display: inline; }
html.light-theme .sf-icon-sun { display: inline; }
html.light-theme .sf-icon-moon { display: none; }

/* --- Hero --- */
.sf-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 40px;
    position: relative;
    overflow: hidden;
}
.sf-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 40%, rgba(255, 215, 0, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 60%, rgba(0, 240, 255, 0.06) 0%, transparent 60%);
    pointer-events: none;
}
.sf-hero-grid { display: flex; align-items: center; gap: 60px; position: relative; z-index: 1; }
.sf-hero-content { flex: 1; max-width: 580px; }
.sf-hero-visual { flex: 1; max-width: 480px; }

/* --- Badges --- */
.sf-hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.sf-badge { padding: 5px 14px; border-radius: 50px; font-size: 12px; font-weight: 600; letter-spacing: 0.3px; }
.sf-badge-gold { background: var(--gold-dim); color: var(--gold); border: 1px solid rgba(255, 215, 0, 0.25); }
.sf-badge-electric { background: var(--electric-dim); color: var(--electric); border: 1px solid rgba(0, 200, 220, 0.25); }
.sf-badge-blue { background: rgba(37, 99, 235, 0.1); color: var(--blue); border: 1px solid rgba(37, 99, 235, 0.25); }
html.light-theme .sf-badge-gold { background: rgba(184, 134, 11, 0.14); color: #92400e; border-color: rgba(184, 134, 11, 0.35); }
html.light-theme .sf-badge-electric { background: rgba(14, 116, 144, 0.12); color: #0e7490; border-color: rgba(14, 116, 144, 0.35); }
html.light-theme .sf-badge-blue { background: rgba(29, 78, 216, 0.1); color: #1d4ed8; border-color: rgba(29, 78, 216, 0.35); }

/* --- Light theme: Hero glow --- */
html.light-theme .sf-hero::before {
    background:
        radial-gradient(ellipse at 20% 40%, rgba(184, 134, 11, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 60%, rgba(14, 116, 144, 0.08) 0%, transparent 60%);
}

/* --- Light theme: Cards depth --- */
html.light-theme .sf-step-card,
html.light-theme .sf-service-card,
html.light-theme .sf-case-card,
html.light-theme .sf-demo {
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 8px rgba(80, 60, 30, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.04);
}
html.light-theme .sf-step-card:hover,
html.light-theme .sf-service-card:hover,
html.light-theme .sf-case-card:hover {
    box-shadow: 0 12px 32px rgba(80, 60, 30, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.18);
}

/* --- Light theme: Demo terminal --- */
html.light-theme .sf-demo-header { background: #ede9e0; }
html.light-theme .sf-demo-body { background: #faf8f4; }
html.light-theme .sf-demo-key { color: #0e7490; }
html.light-theme .sf-demo-val-red { color: #dc2626; }
html.light-theme .sf-demo-val-green { color: #059669; }
html.light-theme .sf-demo-val-gold { color: #b8860b; }
html.light-theme .sf-demo-val-electric { color: #0e7490; }

/* --- Light theme: Buttons --- */
html.light-theme .sf-btn-primary {
    background: linear-gradient(135deg, #b8860b 0%, #d4940a 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(184, 134, 11, 0.3);
}
html.light-theme .sf-btn-primary:hover {
    box-shadow: 0 8px 25px rgba(184, 134, 11, 0.4);
}
html.light-theme .sf-nav-cta {
    background: linear-gradient(135deg, #b8860b 0%, #d4940a 100%);
    color: #fff !important;
}
html.light-theme .sf-btn-ghost {
    border-color: rgba(0, 0, 0, 0.15);
    color: var(--text-secondary);
}
html.light-theme .sf-btn-ghost:hover {
    background: rgba(0, 0, 0, 0.06);
    border-color: rgba(0, 0, 0, 0.25);
}

/* --- Light theme: Stats --- */
html.light-theme .sf-stat-value { color: #92400e; }

/* --- Light theme: Contact cards --- */
html.light-theme .sf-contact-tech { background: #faf8f4; }
html.light-theme .sf-contact-tech .sf-contact-card-icon { background: rgba(14, 116, 144, 0.12); color: #0e7490; }
html.light-theme .sf-contact-tech:hover { border-color: #0e7490; box-shadow: 0 8px 24px rgba(14, 116, 144, 0.15); }
html.light-theme .sf-contact-biz { background: #faf8f4; }
html.light-theme .sf-contact-biz .sf-contact-card-icon { background: rgba(184, 134, 11, 0.12); color: #b8860b; }
html.light-theme .sf-contact-biz:hover { border-color: #b8860b; box-shadow: 0 8px 24px rgba(184, 134, 11, 0.18); }

/* --- Light theme: Support note --- */
html.light-theme .sf-support-note {
    background: rgba(184, 134, 11, 0.1);
    border-color: rgba(184, 134, 11, 0.25);
}

/* --- Light theme: Service icons --- */
/* --- Light theme: Partner cards --- */
html.light-theme .sf-partner-card,
html.light-theme .sf-tier-item {
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 8px rgba(80, 60, 30, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.04);
}
html.light-theme .sf-partner-card:hover {
    box-shadow: 0 12px 32px rgba(80, 60, 30, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.18);
}
html.light-theme .sf-partner-icon-gold { background: rgba(184, 134, 11, 0.12); color: #b8860b; }
html.light-theme .sf-partner-icon-electric { background: rgba(14, 116, 144, 0.1); color: #0e7490; }
html.light-theme .sf-partner-icon-green { background: rgba(5, 150, 105, 0.1); color: #059669; }
html.light-theme .sf-footer-partner { color: #b8860b; }
html.light-theme .sf-footer-partner:hover { color: #0e7490; }

html.light-theme .sf-service-icon-blue { background: rgba(29, 78, 216, 0.1); color: #1d4ed8; }
html.light-theme .sf-service-icon-gold { background: rgba(184, 134, 11, 0.12); color: #b8860b; }
html.light-theme .sf-service-icon-electric { background: rgba(14, 116, 144, 0.1); color: #0e7490; }
html.light-theme .sf-service-icon-green { background: rgba(5, 150, 105, 0.1); color: #059669; }

/* --- Light theme: Service tags --- */
html.light-theme .sf-service-examples span {
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-secondary);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

/* --- Light theme: Case tags --- */
html.light-theme .sf-case-tag-ai { background: rgba(14, 116, 144, 0.12); color: #0e7490; }
html.light-theme .sf-case-tag-saas { background: rgba(184, 134, 11, 0.12); color: #92400e; }
html.light-theme .sf-case-tag-int { background: rgba(29, 78, 216, 0.1); color: #1d4ed8; }
html.light-theme .sf-case-tag-auto { background: rgba(5, 150, 105, 0.1); color: #059669; }

/* --- Light theme: Lang switcher --- */
html.light-theme .sf-lang-btn.active { background: #b8860b; color: #fff; }

/* --- Light theme: Footer --- */
html.light-theme .sf-footer { border-top-color: rgba(0, 0, 0, 0.1); }
html.light-theme .sf-footer-logo { color: #b8860b; }

/* --- Light theme: Section alt - переопределяется ниже через radial-gradient --- */

/* --- Light theme: Scrollbar --- */
html.light-theme ::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, 0.15); }
html.light-theme ::-webkit-scrollbar-thumb:hover { background: rgba(0, 0, 0, 0.3); }

/* --- Gradient text --- */
.sf-text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Hero title --- */
.sf-hero-title { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; margin-bottom: 18px; line-height: 1.1; }
.sf-hero-subtitle { font-size: 17px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 28px; }

/* --- CTA buttons --- */
.sf-hero-cta { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.sf-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 24px;
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}
.sf-btn-primary {
    background: var(--gradient-gold);
    color: #0a0a0a;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.2);
}
.sf-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(255, 215, 0, 0.35); }
.sf-btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.sf-btn-ghost:hover { background: var(--bg-secondary); color: var(--text-primary); border-color: var(--border-hover); }
.sf-btn-lg { padding: 16px 32px; font-size: 16px; }

/* --- Hero stats --- */
.sf-hero-stats { display: flex; gap: 24px; }
.sf-stat { display: flex; flex-direction: column; }
.sf-stat-value { font-family: var(--font-display); font-size: 22px; font-weight: 800; color: var(--gold); }
.sf-stat-label { font-size: 12px; color: var(--text-muted); }

/* --- Hero Metrics Grid (заменяет .sf-demo*, обновлено 2026-05-08) --- */
.sf-hero-grid-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    width: 100%;
    max-width: 480px;
}

.sf-hero-metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.sf-hero-metric-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top, var(--gold-dim), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.sf-hero-metric-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.sf-hero-metric-card:hover::before {
    opacity: 1;
}

.sf-hero-metric-value {
    font-family: var(--font-display, 'JetBrains Mono', 'SF Mono', monospace);
    font-size: 40px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
}

.sf-hero-metric-plus {
    font-size: 0.7em;
    opacity: 0.7;
}

.sf-hero-metric-label {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .sf-hero-grid-metrics {
        max-width: 100%;
        gap: 10px;
    }
    .sf-hero-metric-card { padding: 22px 16px; }
    .sf-hero-metric-value { font-size: 30px; }
    .sf-hero-metric-label { font-size: 12px; }
}

/* --- Sections --- */
.sf-section {
    padding: 80px 0;
    position: relative;
    background: var(--bg-primary);
}
/* sf-section-alt - не отдельный цветной фон, а еле заметное свечение поверх единого bg-primary */
.sf-section-alt {
    background:
        radial-gradient(ellipse 80% 60% at 50% 50%, rgba(255, 255, 255, 0.025), transparent 70%),
        var(--bg-primary);
    position: relative;
}
html.light-theme .sf-section-alt {
    background:
        radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0, 0, 0, 0.04), transparent 70%),
        var(--bg-primary);
}
.sf-section-alt > .sf-container { position: relative; z-index: 2; }
.sf-section-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); text-align: center; margin-bottom: 10px; }
.sf-section-desc { text-align: center; color: var(--text-secondary); font-size: 16px; margin-bottom: 48px; }

/* --- Steps --- */
.sf-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sf-step-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: all 0.3s; }
.sf-step-card:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: var(--shadow); }
.sf-step-num { font-family: var(--font-display); font-size: 28px; font-weight: 800; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 12px; }
.sf-step-card h3 { font-size: 16px; margin-bottom: 8px; }
.sf-step-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* --- Services grid --- */
.sf-services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 24px; }
.sf-service-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: all 0.3s; display: flex; flex-direction: column; }
.sf-service-card:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: var(--shadow); }
.sf-service-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 14px; }
.sf-service-icon-blue { background: rgba(59, 130, 246, 0.12); color: var(--blue); }
.sf-service-icon-gold { background: var(--gold-dim); color: var(--gold); }
.sf-service-icon-electric { background: var(--electric-dim); color: var(--electric); }
.sf-service-icon-green { background: var(--green-dim); color: var(--green); }
.sf-service-card h3 { font-size: 17px; margin-bottom: 8px; }
.sf-service-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 14px; flex: 1; }
.sf-service-examples { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.sf-service-examples span { padding: 3px 10px; border-radius: 50px; font-size: 11px; background: var(--border); color: var(--text-secondary); font-weight: 500; }
.sf-service-price { display: flex; align-items: baseline; gap: 10px; padding-top: 12px; border-top: 1px solid var(--border); }
.sf-service-range { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--gold); }
.sf-service-term { font-size: 12px; color: var(--text-muted); }

/* --- Support note --- */
.sf-support-note { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 20px; background: var(--gold-dim); border: 1px solid rgba(255, 215, 0, 0.15); border-radius: var(--radius); flex-wrap: wrap; }
.sf-support-label { font-size: 14px; color: var(--text-secondary); }
.sf-support-price { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--gold); }
.sf-support-desc { font-size: 13px; color: var(--text-muted); }

/* --- Cases grid --- */
.sf-cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sf-case-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s;
    text-decoration: none;
    color: inherit;
}
.sf-case-card:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: var(--shadow); }
.sf-case-img {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}
.sf-case-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.sf-case-card:hover .sf-case-img img { transform: scale(1.05); }
.sf-case-body { padding: 16px; }
.sf-case-tag { display: inline-block; padding: 3px 10px; border-radius: 50px; font-size: 11px; font-weight: 600; margin-bottom: 10px; }
.sf-case-tag-ai { background: var(--electric-dim); color: var(--electric); }
.sf-case-tag-saas { background: var(--gold-dim); color: var(--gold); }
.sf-case-tag-int { background: rgba(59, 130, 246, 0.1); color: var(--blue); }
.sf-case-tag-auto { background: var(--green-dim); color: var(--green); }
.sf-case-card h3 { font-size: 17px; margin-bottom: 8px; }
.sf-case-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 10px; }
.sf-case-niche { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* --- Partners --- */
.sf-partners-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 32px; }
.sf-partner-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: all 0.3s;
}
.sf-partner-card:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: var(--shadow); }
.sf-partner-icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; margin-bottom: 14px;
}
.sf-partner-icon-gold { background: var(--gold-dim); color: var(--gold); }
.sf-partner-icon-electric { background: var(--electric-dim); color: var(--electric); }
.sf-partner-icon-green { background: var(--green-dim); color: var(--green); }
.sf-partner-card h3 { font-size: 17px; margin-bottom: 8px; font-family: var(--font-display); font-weight: 700; }
.sf-partner-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* --- Partners how it works --- */
.sf-partners-how { margin-bottom: 32px; }
.sf-partners-how-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.sf-partners-how-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.sf-partners-how-card {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.sf-partners-how-num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gradient-text);
    color: #0a0a0a;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}
html.light-theme .sf-partners-how-num { color: #fff; }
.sf-partners-how-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}
.sf-partners-how-text b {
    color: var(--text-primary);
    font-weight: 600;
}
html.light-theme .sf-partners-how-card {
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 8px rgba(80, 60, 30, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

/* --- Partners tiers --- */
.sf-partners-tiers {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.sf-tier-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 16px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    min-width: 120px;
}
.sf-tier-item .sf-tier-label {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.sf-tier-item .sf-tier-pct {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.sf-tier-item .sf-tier-note {
    font-size: 11px;
    color: var(--text-muted);
}
.sf-tier-arrow {
    font-size: 20px;
    color: var(--text-muted);
}

/* --- Partners CTA --- */
.sf-partners-cta { text-align: center; }
.sf-partners-note { font-size: 13px; color: var(--text-muted); margin-top: 10px; }

/* --- Footer partner link --- */
.sf-footer-partner {
    color: var(--gold);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-display);
    transition: color 0.2s;
}
.sf-footer-partner:hover { color: var(--electric); }

/* --- Contact --- */
.sf-contact-block { text-align: center; max-width: 620px; margin: 0 auto; }
.sf-contact-text { font-size: 16px; color: var(--text-secondary); margin-bottom: 28px; line-height: 1.7; }
.sf-contact-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 14px; }
.sf-contact-note { font-size: 13px; color: var(--text-muted); }

/* --- Contact cards --- */
.sf-contact-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: left;
    transition: all 0.3s;
    text-decoration: none;
    position: relative;
}
.sf-contact-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
}
.sf-contact-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.sf-contact-card-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.sf-contact-card-name {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}
.sf-contact-card-role {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.3;
}
.sf-contact-card-arrow {
    font-size: 18px;
    color: var(--text-muted);
    transition: transform 0.2s, color 0.2s;
    flex-shrink: 0;
}
.sf-contact-card:hover .sf-contact-card-arrow { transform: translateX(4px); }

/* Tech card - electric/terminal accent */
.sf-contact-tech {
    background: var(--bg-card);
}
.sf-contact-tech .sf-contact-card-icon {
    background: var(--electric-dim);
    color: var(--electric);
}
.sf-contact-tech .sf-contact-card-name { font-family: 'JetBrains Mono', 'SF Mono', var(--font-display); font-size: 15px; }
.sf-contact-tech:hover {
    border-color: var(--electric);
    box-shadow: 0 8px 24px rgba(0, 240, 255, 0.12);
}
.sf-contact-tech:hover .sf-contact-card-arrow { color: var(--electric); }

/* Biz card - gold/warm accent */
.sf-contact-biz {
    background: var(--bg-card);
}
.sf-contact-biz .sf-contact-card-icon {
    background: var(--gold-dim);
    color: var(--gold);
}
.sf-contact-biz:hover {
    border-color: var(--gold);
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.12);
}
.sf-contact-biz:hover .sf-contact-card-arrow { color: var(--gold); }

/* --- Footer --- */
.sf-footer { padding: 20px 0; border-top: 1px solid var(--border); }
.sf-footer-inner { display: flex; align-items: center; justify-content: space-between; }
.sf-footer-logo { font-family: var(--font-display); font-size: 16px; font-weight: 800; color: var(--gold); }
.sf-footer-logo span { color: var(--text-primary); font-weight: 400; }
.sf-footer-text { font-size: 13px; color: var(--text-muted); }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .sf-steps { grid-template-columns: repeat(2, 1fr); }
    .sf-cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .sf-hero-grid { flex-direction: column; gap: 32px; }
    .sf-hero-content, .sf-hero-visual { max-width: 100%; }
    .sf-nav { display: none; }
    .sf-steps { grid-template-columns: 1fr; }
    .sf-services-grid { grid-template-columns: 1fr; }
    .sf-cases-grid { grid-template-columns: 1fr; }
    .sf-partners-grid { grid-template-columns: 1fr; }
    .sf-partners-how-grid { grid-template-columns: 1fr; }
    .sf-partners-tiers { gap: 10px; }
    .sf-tier-arrow { display: none; }
    .sf-hero-stats { display: none; } /* На mobile прячем — метрики уже в карточках .sf-hero-grid-metrics */
    .sf-hero-title { font-size: 1.8rem; }
    .sf-footer-inner { flex-direction: column; gap: 6px; text-align: center; }
    .sf-contact-actions { grid-template-columns: 1fr; }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* === MARKET / IT BAZAAR PROMO BLOCK === */
.sf-market {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    padding: 120px 0;
    background:
        radial-gradient(ellipse 60% 50% at 20% 30%, rgba(255, 215, 0, 0.08), transparent 60%),
        radial-gradient(ellipse 60% 50% at 85% 70%, rgba(0, 240, 255, 0.06), transparent 60%),
        var(--bg-primary);
}
html.light-theme .sf-market {
    background:
        radial-gradient(ellipse 60% 50% at 20% 30%, rgba(184, 134, 11, 0.08), transparent 60%),
        radial-gradient(ellipse 60% 50% at 85% 70%, rgba(14, 116, 144, 0.06), transparent 60%),
        var(--bg-primary);
}
/* Плавные мягкие orbs (приглушенные, без резких границ) */
.sf-market-orb {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.22;
    pointer-events: none;
    z-index: 0;
    animation: sf-orb-float 18s ease-in-out infinite;
}
.sf-market-orb-gold {
    background: var(--gold);
    top: -140px;
    left: -120px;
}
.sf-market-orb-electric {
    background: var(--electric);
    bottom: -180px;
    right: -140px;
    animation-delay: -9s;
}
html.light-theme .sf-market-orb { opacity: 0.12; }
@keyframes sf-orb-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.08); }
}
/* Плавное затухание секции сверху и снизу - "мягкое появление" */
.sf-market::before,
.sf-market::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 120px;
    pointer-events: none;
    z-index: 1;
}
.sf-market::before {
    top: 0;
    background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 100%);
}
.sf-market::after {
    bottom: 0;
    background: linear-gradient(to top, var(--bg-primary) 0%, transparent 100%);
}
.sf-market > .sf-container { position: relative; z-index: 2; }

.sf-market-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 56px;
    align-items: center;
}

.sf-market-content { display: flex; flex-direction: column; gap: 24px; }

.sf-market-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    padding: 6px 14px;
    border-radius: 50px;
    border: 1px solid var(--gold);
    background: var(--gold-dim);
    color: var(--gold);
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.sf-market-eyebrow::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 0 0 0 currentColor;
    animation: sf-pulse-dot 1.8s ease-out infinite;
}
@keyframes sf-pulse-dot {
    0% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.6); }
    70% { box-shadow: 0 0 0 10px rgba(255, 215, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0); }
}

.sf-market-title {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.sf-market-title .sf-text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sf-market-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.65;
    max-width: 540px;
}

.sf-market-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 4px;
}
.sf-market-feature {
    padding: 14px 14px 14px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    transition: border-color 0.2s, transform 0.2s;
}
.sf-market-feature:hover {
    border-color: var(--gold);
    transform: translateY(-2px);
}
.sf-market-feature-num {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 6px;
}
.sf-market-feature-label {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.35;
}

.sf-market-cta-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.sf-market-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    background: var(--gradient-gold);
    color: #0a0a0a;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 6px 24px rgba(255, 215, 0, 0.25);
    overflow: hidden;
}
.sf-market-btn::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s;
}
.sf-market-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(255, 215, 0, 0.4);
}
.sf-market-btn:hover::after { left: 100%; }
.sf-market-btn svg { transition: transform 0.2s; }
.sf-market-btn:hover svg { transform: translate(3px, -3px); }

.sf-market-link {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.sf-market-link:hover { color: var(--electric); }
.sf-market-link code {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    color: var(--electric);
    font-size: 13px;
}

/* Visual side - AI chat demo */
.sf-market-visual {
    position: relative;
    perspective: 1200px;
}
.sf-market-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: rotate(-1.5deg);
    transition: transform 0.4s ease;
}
.sf-market-card:hover { transform: rotate(0deg) translateY(-4px); }
.sf-market-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--gold-dim), transparent 40%, var(--electric-dim));
    pointer-events: none;
    opacity: 0.5;
}

.sf-market-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    position: relative;
}
html.light-theme .sf-market-card-head { background: rgba(0, 0, 0, 0.02); }
.sf-market-card-dots { display: flex; gap: 6px; }
.sf-market-card-dots span {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--text-muted); opacity: 0.4;
}
.sf-market-card-dots span:nth-child(1) { background: var(--red); opacity: 0.8; }
.sf-market-card-dots span:nth-child(2) { background: var(--gold); opacity: 0.8; }
.sf-market-card-dots span:nth-child(3) { background: var(--green); opacity: 0.8; }
.sf-market-card-title {
    flex: 1;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.sf-market-card-live {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--green);
    animation: sf-pulse-dot 1.6s ease-out infinite;
    box-shadow: 0 0 8px var(--green);
}
.sf-market-card-model {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--electric);
    padding: 3px 8px;
    border-radius: 50px;
    background: var(--electric-dim);
    border: 1px solid var(--electric);
}

.sf-market-card-body {
    padding: 18px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    z-index: 1;
}
.sf-market-msg {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13.5px;
    line-height: 1.5;
    max-width: 85%;
    animation: sf-msg-in 0.5s ease-out backwards;
}
.sf-market-msg-user {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    animation-delay: 0.1s;
}
.sf-market-msg-ai {
    background: linear-gradient(135deg, var(--gold-dim), var(--electric-dim));
    border: 1px solid var(--gold);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    animation-delay: 0.4s;
}
.sf-market-msg-ai b { color: var(--gold); }
.sf-market-msg-ai .sf-market-discount {
    color: var(--electric);
    font-weight: 700;
}
@keyframes sf-msg-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.sf-market-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
    animation: sf-msg-in 0.5s ease-out 0.7s backwards;
}
.sf-market-chip {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 50px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.sf-market-card-foot {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
}
html.light-theme .sf-market-card-foot { background: rgba(0, 0, 0, 0.02); }
.sf-market-typing { display: flex; gap: 3px; }
.sf-market-typing span {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--electric);
    animation: sf-typing-bounce 1.2s infinite;
}
.sf-market-typing span:nth-child(2) { animation-delay: 0.15s; }
.sf-market-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes sf-typing-bounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-4px); opacity: 1; }
}

/* Mobile */
@media (max-width: 768px) {
    .sf-market-grid { grid-template-columns: 1fr; gap: 32px; }
    .sf-market-title { font-size: 1.8rem; }
    .sf-market-features { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
    .sf-market-feature { padding: 12px 10px; }
    .sf-market-feature-num { font-size: 1.3rem; }
    .sf-market-feature-label { font-size: 11px; }
    .sf-market-card { transform: rotate(0); }
    .sf-market-cta-row { flex-direction: column; align-items: stretch; }
    .sf-market-btn { justify-content: center; }
    .sf-market-link { justify-content: center; }
}
@media (max-width: 480px) {
    .sf-market-features { grid-template-columns: 1fr; }
}

/* =====================================================
   LOADER (intro screen со звёздами + warp)
   Скопировано из market.ai-platform.space (2026-05-08)
   ===================================================== */
@keyframes loader-dots { 0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; } 40% { transform: scale(1); opacity: 1; } }
@keyframes loader-logo-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes loader-fade-out { from { opacity: 1; } to { opacity: 0; pointer-events: none; } }

#dc-loader { position: fixed; inset: 0; z-index: 99999; background: #0a0a0a; display: flex; align-items: center; justify-content: center; overflow: hidden; }
#dc-loader-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
#dc-loader.dc-loader-hide { animation: loader-fade-out 0.6s ease forwards; }
.dc-loader-inner { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 24px; animation: loader-logo-in 0.6s ease both; }
.dc-loader-logo { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.dc-loader-brand { font-family: var(--font-display, 'JetBrains Mono', monospace); font-size: 2rem; font-weight: 700; letter-spacing: 0.08em; color: #ffffff; }
.dc-loader-brand-accent { color: var(--gold, #FFD700); }
.dc-loader-dots { display: flex; gap: 8px; align-items: center; }
.dc-loader-dots span { width: 5px; height: 5px; border-radius: 50%; background: var(--gold, #FFD700); animation: loader-dots 1.2s ease-in-out infinite; display: block; }
.dc-loader-dots span:nth-child(2) { animation-delay: 0.2s; }
.dc-loader-dots span:nth-child(3) { animation-delay: 0.4s; }

/* =====================================================
   CURSOR GLOW (кастомный курсор с blur-glow)
   ===================================================== */
#dc-cursor-wrap { position: fixed; width: 40px; height: 40px; pointer-events: none; z-index: 10000; top: 0; left: 0; will-change: left, top; }
body.dc-hide-cursor, body.dc-hide-cursor * { cursor: none !important; }
.dc-cursor-blur { position: absolute; inset: 0; width: 40px; height: 40px; border-radius: 50%; opacity: 0.8; filter: blur(40px); transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease, background 0.3s ease; }
.dc-cursor-svg { position: absolute; top: 0; left: 0; width: 22px; height: 22px; }
#dc-cursor-wrap.dc-cursor-hover .dc-cursor-blur { width: 60px; height: 60px; margin: -10px; opacity: 0.5; }
@media (hover: none) { #dc-cursor-wrap { display: none !important; } }