:root {
            --bg: #060a10;
            --surface: #0d1520;
            --border: rgba(56, 189, 248, 0.12);
            --accent: #38bdf8;
            --accent-glow: rgba(56, 189, 248, 0.25);
            --accent-2: #6366f1;
            --text: #e2e8f0;
            --muted: #64748b;
        }

        * { box-sizing: border-box; }

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'DM Sans', sans-serif;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        h1, h2, h3, .font-display { font-family: 'Syne', sans-serif; }

        /* ─── NAV ─── */
        .nav-glass {
            background: rgba(6, 10, 16, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
        }

        .nav-logo-text {
            font-family: 'Syne', sans-serif;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #e2e8f0 30%, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-logo-badge {
            font-family: 'Syne', sans-serif;
            font-size: 0.6rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-glow);
            border: 1px solid rgba(56, 189, 248, 0.3);
            padding: 2px 7px;
            border-radius: 999px;
        }

        .nav-link {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--muted);
            text-decoration: none;
            transition: color 0.2s;
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: width 0.25s;
        }
        .nav-link:hover { color: var(--text); }
        .nav-link:hover::after { width: 100%; }

        .btn-primary {
            font-family: 'Syne', sans-serif;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            padding: 10px 22px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
            color: #fff;
            text-decoration: none;
            transition: opacity 0.2s, box-shadow 0.2s, transform 0.15s;
            box-shadow: 0 0 20px var(--accent-glow);
            white-space: nowrap;
        }
        .btn-primary:hover {
            opacity: 0.9;
            transform: translateY(-1px);
            box-shadow: 0 0 30px rgba(56,189,248,0.4);
        }

        .btn-outline {
            font-size: 0.875rem;
            font-weight: 500;
            padding: 9px 20px;
            border-radius: 8px;
            border: 1px solid var(--border);
            color: var(--text);
            text-decoration: none;
            transition: border-color 0.2s, background 0.2s;
        }
        .btn-outline:hover {
            border-color: var(--accent);
            background: var(--accent-glow);
        }

        /* mobile menu */
        #mobile-menu { display: none; }
        #mobile-menu.open { display: flex; }

        /* ─── FOOTER ─── */
        .footer-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border), var(--accent-glow), var(--border), transparent);
        }

        .footer-col-title {
            font-family: 'Syne', sans-serif;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 1rem;
        }

        .footer-link {
            font-size: 0.875rem;
            color: var(--muted);
            text-decoration: none;
            transition: color 0.2s;
            display: block;
            margin-bottom: 0.55rem;
        }
        .footer-link:hover { color: var(--text); }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .social-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--muted);
            text-decoration: none;
            transition: border-color 0.2s, color 0.2s, background 0.2s;
        }
        .social-icon:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-glow);
        }

        .platform-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 12px;
            border-radius: 8px;
            border: 1px solid var(--border);
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--muted);
            text-decoration: none;
            transition: border-color 0.2s, color 0.2s, background 0.2s;
            white-space: nowrap;
        }
        /*.platform-badge:hover {
            border-color: var(--accent);
            color: var(--text);
            background: var(--accent-glow);
        }
        */

        /* grid overlay */
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 0;
            background-image:
                linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        main { flex: 1; position: relative; z-index: 1; }
        nav, footer { position: relative; z-index: 2; }


    .section-label {
        font-family: 'Syne', sans-serif;
        font-size: 0.68rem;
        font-weight: 700;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--accent);
        margin-bottom: 12px;
    }
    .section-title {
        font-family: 'Syne', sans-serif;
        font-size: clamp(1.8rem, 4vw, 2.8rem);
        font-weight: 800;
        letter-spacing: -0.02em;
        color: var(--text);
        line-height: 1.1;
        margin-bottom: 20px;
    }
    .prose {
        font-size: 0.97rem;
        color: var(--muted);
        line-height: 1.8;
        max-width: 620px;
    }
    .prose + .prose { margin-top: 16px; }

    /* Hero */
    .about-hero {
        position: relative;
        overflow: hidden;
        padding: 110px 0 90px;
        text-align: center;
    }
    .about-hero-glow {
        position: absolute;
        top: -200px;
        left: 50%;
        transform: translateX(-50%);
        width: 700px;
        height: 700px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(99,102,241,0.14) 0%, rgba(56,189,248,0.07) 45%, transparent 70%);
        pointer-events: none;
        animation: glow-pulse 7s ease-in-out infinite;
    }

    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-family: 'Syne', sans-serif;
        font-size: 0.72rem;
        font-weight: 700;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: var(--accent);
        background: rgba(56,189,248,0.08);
        border: 1px solid rgba(56,189,248,0.2);
        padding: 6px 16px;
        border-radius: 999px;
        margin-bottom: 28px;
        animation: fadeUp 0.5s ease both;
    }

    /* Миссия — большой quote */
    .mission-quote {
        font-family: 'Syne', sans-serif;
        font-size: clamp(1.5rem, 3.5vw, 2.4rem);
        font-weight: 700;
        letter-spacing: -0.02em;
        line-height: 1.25;
        color: var(--text);
        max-width: 780px;
        margin: 0 auto;
        animation: fadeUp 0.6s 0.1s ease both;
    }
    .mission-quote span {
        background: linear-gradient(135deg, var(--accent), var(--accent-2));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    /* Разделитель-линия */
    .gradient-rule {
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--border), var(--accent-glow), var(--border), transparent);
        margin: 80px 0;
    }

    /* Ценности */
    .value-item {
        display: flex;
        gap: 20px;
        align-items: flex-start;
        padding: 28px;
        border-radius: 14px;
        border: 1px solid var(--border);
        background: var(--surface);
        transition: border-color 0.25s, transform 0.25s;
    }
    .value-item:hover {
        border-color: rgba(56,189,248,0.3);
        transform: translateY(-2px);
    }
    .value-icon {
        width: 42px;
        height: 42px;
        flex-shrink: 0;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(56,189,248,0.08);
        border: 1px solid rgba(56,189,248,0.18);
        color: var(--accent);
    }
    .value-title {
        font-family: 'Syne', sans-serif;
        font-size: 1rem;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 6px;
    }
    .value-desc {
        font-size: 0.86rem;
        color: var(--muted);
        line-height: 1.65;
    }

    /* Таймлайн стадий */
    .stage {
        display: flex;
        gap: 20px;
        position: relative;
    }
    .stage:not(:last-child)::after {
        content: '';
        position: absolute;
        left: 17px;
        top: 44px;
        bottom: -20px;
        width: 1px;
        background: var(--border);
    }
    .stage-dot {
        width: 36px;
        height: 36px;
        flex-shrink: 0;
        border-radius: 50%;
        border: 2px solid var(--border);
        background: var(--surface);
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: 'Syne', sans-serif;
        font-size: 0.75rem;
        font-weight: 700;
        color: var(--muted);
        margin-top: 4px;
    }
    .stage-dot.active {
        border-color: var(--accent);
        background: rgba(56,189,248,0.1);
        color: var(--accent);
        box-shadow: 0 0 12px rgba(56,189,248,0.3);
    }
    .stage-label {
        font-family: 'Syne', sans-serif;
        font-size: 0.65rem;
        font-weight: 700;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--accent);
        margin-bottom: 4px;
    }
    .stage-title {
        font-family: 'Syne', sans-serif;
        font-size: 1rem;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 6px;
    }
    .stage-desc {
        font-size: 0.85rem;
        color: var(--muted);
        line-height: 1.65;
        padding-bottom: 32px;
    }

    /* Контакты */
    .contact-card {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 22px 24px;
        border-radius: 14px;
        border: 1px solid var(--border);
        background: var(--surface);
        text-decoration: none;
        transition: border-color 0.22s, transform 0.22s, background 0.22s;
    }
    .contact-card:hover {
        border-color: rgba(56,189,248,0.4);
        background: rgba(56,189,248,0.04);
        transform: translateY(-2px);
    }
    .contact-icon {
        width: 44px;
        height: 44px;
        flex-shrink: 0;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(56,189,248,0.08);
        border: 1px solid rgba(56,189,248,0.18);
        color: var(--accent);
    }
    .contact-label {
        font-size: 0.72rem;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--muted);
        margin-bottom: 2px;
    }
    .contact-value {
        font-family: 'Syne', sans-serif;
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--text);
    }
    .contact-arrow {
        margin-left: auto;
        color: var(--muted);
        transition: color 0.2s, transform 0.2s;
    }
    .contact-card:hover .contact-arrow {
        color: var(--accent);
        transform: translateX(3px);
    }



    /* ── HERO ── */
    .contacts-hero {
        position: relative;
        overflow: hidden;
        padding: 100px 0 80px;
        text-align: center;
    }
    .contacts-hero-glow {
        position: absolute;
        top: -220px;
        left: 50%;
        transform: translateX(-50%);
        width: 660px;
        height: 660px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(56,189,248,0.11) 0%, rgba(99,102,241,0.06) 45%, transparent 70%);
        pointer-events: none;
        animation: glow-pulse 7s ease-in-out infinite;
    }
    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-family: 'Syne', sans-serif;
        font-size: 0.7rem;
        font-weight: 700;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: var(--accent);
        background: rgba(56,189,248,0.08);
        border: 1px solid rgba(56,189,248,0.2);
        padding: 6px 16px;
        border-radius: 999px;
        margin-bottom: 26px;
        animation: fadeUp 0.5s ease both;
    }
    .hero-title {
        font-family: 'Syne', sans-serif;
        font-size: clamp(2.4rem, 6vw, 4.2rem);
        font-weight: 800;
        letter-spacing: -0.03em;
        line-height: 1.08;
        color: var(--text);
        margin: 0 auto 18px;
        max-width: 640px;
        animation: fadeUp 0.55s 0.08s ease both;
    }
    .hero-title span {
        background: linear-gradient(135deg, var(--accent), var(--accent-2));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero-sub {
        font-size: 1rem;
        color: var(--muted);
        line-height: 1.75;
        max-width: 460px;
        margin: 0 auto;
        animation: fadeUp 0.55s 0.16s ease both;
    }

    /* ── GRID КАРТОЧЕК ── */
    .contacts-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        max-width: 860px;
        margin: 0 auto;
    }
    @media (max-width: 640px) {
        .contacts-grid { grid-template-columns: 1fr; }
    }

    .contact-card {
        display: flex;
        flex-direction: column;
        gap: 0;
        border-radius: 18px;
        border: 1px solid var(--border);
        background: var(--surface);
        overflow: hidden;
        text-decoration: none;
        transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
        position: relative;
    }
    .contact-card::before {
        content: '';
        position: absolute;
        inset: 0;
        opacity: 0;
        transition: opacity 0.3s;
        border-radius: 18px;
    }
    .contact-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    }
    .contact-card:hover::before { opacity: 1; }

    /* цвета по платформе */
    .card-tg  { --c: #29b6f6; --cg: rgba(41,182,246,0.12); }
    .card-vk  { --c: #4680c2; --cg: rgba(70,128,194,0.12); }
    .card-tw  { --c: #cbd5e1; --cg: rgba(203,213,225,0.07); }
    .card-mail{ --c: var(--accent); --cg: rgba(56,189,248,0.08); }

    .contact-card:hover { border-color: var(--c); }
    .contact-card::before { background: radial-gradient(ellipse at top left, var(--cg), transparent 65%); }

    .card-header {
        padding: 28px 28px 20px;
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 12px;
    }
    .card-platform-icon {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        border: 1px solid rgba(255,255,255,0.08);
        background: var(--cg);
        color: var(--c);
        transition: box-shadow 0.25s;
        flex-shrink: 0;
    }
    .contact-card:hover .card-platform-icon {
        box-shadow: 0 0 20px var(--cg);
    }
    .card-arrow {
        color: var(--muted);
        transition: color 0.2s, transform 0.2s;
        margin-top: 4px;
    }
    .contact-card:hover .card-arrow {
        color: var(--c);
        transform: translate(3px, -3px);
    }

    .card-body {
        padding: 0 28px 28px;
        flex: 1;
    }
    .card-label {
        font-size: 0.68rem;
        font-weight: 700;
        letter-spacing: 0.15em;
        text-transform: uppercase;
        color: var(--muted);
        margin-bottom: 4px;
    }
    .card-name {
        font-family: 'Syne', sans-serif;
        font-size: 1.3rem;
        font-weight: 800;
        color: var(--text);
        margin-bottom: 8px;
        letter-spacing: -0.01em;
    }
    .card-handle {
        font-size: 0.85rem;
        color: var(--c);
        font-weight: 600;
        margin-bottom: 14px;
        opacity: 0.85;
    }
    .card-desc {
        font-size: 0.83rem;
        color: var(--muted);
        line-height: 1.65;
    }

    .card-footer {
        margin: 0 28px 28px;
        padding: 12px 16px;
        border-radius: 10px;
        background: rgba(255,255,255,0.03);
        border: 1px solid rgba(255,255,255,0.06);
        font-family: 'Syne', sans-serif;
        font-size: 0.75rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--c);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        transition: background 0.2s;
    }
    .contact-card:hover .card-footer {
        background: var(--cg);
    }

    /* ── РАЗДЕЛИТЕЛЬ ── */
    .gradient-rule {
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--border), var(--accent-glow), var(--border), transparent);
    }

    .status-dot {
        width: 7px; height: 7px;
        border-radius: 50%;
        background: #22c55e;
        box-shadow: 0 0 8px rgba(34,197,94,0.8);
        animation: glow-pulse 2s infinite;
    }