@font-face {
    font-family: 'Unbounded Fallback';
    src: local('Arial');
    size-adjust: 89%;
    ascent-override: 95%;
    descent-override: 10%;
    line-gap-override: 15%;
}

@layer reset, tokens, base, components, sections, utilities, responsive;

/* ==========================================================================
   1. TOKENS (ПЕРЕМЕННЫЕ)
   ========================================================================== */
@layer tokens {
    :root {
        --bg-primary: #030712;
        --bg-secondary: #0F172A;
        --bg-card: rgba(30, 41, 59, 0.4);
        --text-primary: #F8FAFC;
        --text-secondary: #94A3B8;
        --accent: #3B82F6;
        --accent-hover: #2563EB;
        --accent-glow: rgba(59, 130, 246, 0.15);
        --border: rgba(148, 163, 184, 0.1);
        --whatsapp: #25D366;
        --telegram: #229ED9;
        
        --radius: 16px;
        --radius-sm: 8px;
        --radius-full: 100px;
        
        --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        --transition-fast: all 0.2s ease;
        
        --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
        --font-display: 'Unbounded', 'Unbounded Fallback', sans-serif;
    }
}

/* ==========================================================================
   2. RESET (СБРОС)
   ========================================================================== */
@layer reset {
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
}

/* ==========================================================================
   3. BASE (БАЗОВЫЕ СТИЛИ)
   ========================================================================== */
@layer base {
    html {
        scroll-behavior: smooth;
        scroll-padding-top: 80px;
        -webkit-overflow-scrolling: touch;
    }

    body {
        font-family: var(--font-sans);
        background: var(--bg-primary);
        color: var(--text-primary);
        line-height: 1.7;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -webkit-tap-highlight-color: transparent;
    }

    h1, h2, h3, .logo, .stat__number, .process__number, .process__dot {
        font-family: var(--font-display);
        letter-spacing: -0.02em;
    }

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

    :focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
        border-radius: 4px;
    }

    .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    div[style*="position: fixed"][style*="bottom"]:not(.floating-actions):not(.floating-action):not(.sticky-bar),
    button[aria-label*="наверх" i]:not(.floating-action--top),
    a[aria-label*="наверх" i]:not(.floating-action--top) {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
}

/* ==========================================================================
   4. COMPONENTS (КОМПОНЕНТЫ)
   ========================================================================== */
@layer components {
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        padding: 0.875rem 2rem;
        border-radius: var(--radius);
        text-decoration: none;
        font-weight: 600;
        font-size: 1rem;
        transition: var(--transition);
        cursor: pointer;
        border: none;
    }

    .btn--primary {
        background: var(--accent);
        color: white;
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
        position: relative;
        overflow: hidden;
    }

    .btn--primary::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
        transform: translateX(-100%);
        transition: transform 0.6s;
    }

    .btn--primary:hover {
        background: var(--accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
    }

    .btn--primary:hover::after { transform: translateX(100%); }

    .btn--secondary {
        background: transparent;
        color: var(--text-primary);
        border: 1px solid var(--border);
    }

    .btn--secondary:hover {
        background: var(--bg-card);
        border-color: var(--text-secondary);
    }

    .btn--full { width: 100%; }
    .btn--sm { padding: 0.5rem 1.25rem; font-size: 0.9rem; white-space: nowrap; }
    .btn:disabled { opacity: 0.6; cursor: not-allowed; }

    .card {
        background: var(--bg-card);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 2rem;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }

    .card::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: var(--radius);
        padding: 1px;
        background: conic-gradient(from var(--gradient-angle, 0deg), transparent 40%, var(--accent) 50%, transparent 60%);
        -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        -webkit-mask-composite: xor;
        mask-composite: exclude;
        opacity: 0;
        transition: opacity 0.4s ease;
        pointer-events: none;
    }

    .card:hover {
        border-color: rgba(59, 130, 246, 0.4);
        box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3), 0 0 20px var(--accent-glow);
        transform: translateY(-4px);
    }

    .card:hover::before {
        opacity: 1;
        animation: rotateGradient 4s linear infinite;
    }

    @property --gradient-angle {
        syntax: '<angle>';
        initial-value: 0deg;
        inherits: false;
    }

    @keyframes rotateGradient {
        to { --gradient-angle: 360deg; }
    }

    .card__icon {
        width: 56px;
        height: 56px;
        background: var(--accent-glow);
        border: 1px solid rgba(59, 130, 246, 0.2);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1.5rem;
        color: var(--accent);
    }

    .card__title {
        font-size: 1.35rem;
        margin-bottom: 1rem;
    }

    .card__text {
        color: var(--text-secondary);
        margin-bottom: 1.5rem;
        line-height: 1.6;
    }

    .section-title {
        font-size: clamp(2rem, 4vw, 2.5rem);
        font-weight: 700;
        margin-bottom: 1.5rem;
        text-align: center;
    }

    .section-subtitle {
        text-align: center;
        color: var(--text-secondary);
        max-width: 700px;
        margin: 0 auto 3rem auto;
        font-size: 1.1rem;
        line-height: 1.6;
    }
}

/* ==========================================================================
   5. SECTIONS (СЕКЦИИ)
   ========================================================================== */
@layer sections {
    /* --- Header --- */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        background: rgba(3, 7, 18, 0.8);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
        z-index: 1000;
        padding: 1rem 0;
    }
    .header__content { display: flex; justify-content: space-between; align-items: center; }

    .header__lang {
        display: flex;
        gap: 16px;
    }
/*    .header__lang {
        position: absolute;
        top: 40px;
        right: 40px;
        display: flex;
        gap: 16px;
    }
*/
    .header__lang a {
        color: #94A3B8;
        text-decoration: none;
        font-family: 'Unbounded', sans-serif;
        font-size: 14px;
        font-weight: 600;
        transition: color 0.2s;
    }
    .header__lang a:hover,
    .header__lang a.active { color: #F8FAFC; }
    

    .logo { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); text-decoration: none; }
    .logo__dot { color: var(--accent); }
    
    .nav { display: flex; gap: 2rem; align-items: center; }
    .nav__link { color: var(--text-secondary); text-decoration: none; font-size: 0.95rem; transition: var(--transition); }
    .nav__link:hover { color: var(--text-primary); }
    .nav__link--cta { background: var(--accent); color: white; padding: 0.5rem 1.5rem; border-radius: var(--radius); }
    .nav__link--cta:hover { background: var(--accent-hover); color: white; }

    .burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
    .burger span { width: 24px; height: 2px; background: var(--text-primary); transition: var(--transition); }

    /* --- Hero --- */
    .hero { 
        position: relative; 
        padding: 180px 0 120px; 
        background: var(--bg-primary); 
        overflow: hidden; 
    }
    .hero__grid {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
        opacity: 0.4;
        pointer-events: none;
    }
    .hero::before {
        content: ''; position: absolute; top: -20%; right: -10%; width: 600px; height: 600px;
        background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
        filter: blur(80px); z-index: 0; pointer-events: none;
    }
    .hero__content { position: relative; z-index: 1; max-width: 800px; }
    .hero__badge {
        display: inline-block; background: var(--bg-card); color: var(--accent);
        padding: 0.5rem 1rem; border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 500;
        margin-bottom: 1.5rem; border: 1px solid var(--border); backdrop-filter: blur(8px);
    }
    .hero__title {
        font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 700; line-height: 1.1; margin-bottom: 1.5rem;
        background: linear-gradient(to right, #F8FAFC, #94A3B8);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .hero__title .logo__dot {
        -webkit-text-fill-color: var(--accent);
        color: var(--accent);
        background: none;
        text-shadow: 0 0 20px var(--accent-glow);
    }
    .hero__subtitle { font-size: 1.25rem; color: var(--text-secondary); margin-bottom: 2.5rem; max-width: 600px; }
    .hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

    /* --- Stats --- */
    .stats { padding: 60px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-secondary); }
    .stats__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; }
    .stat { text-align: center; transition: opacity 0.6s ease, transform 0.6s ease; }
    .js .stat { opacity: 0; transform: translateY(20px); }
    .js .stat.visible { opacity: 1; transform: translateY(0); }
    .stat__number { font-size: 2.5rem; font-weight: 700; color: var(--accent); margin-bottom: 0.5rem; }
    .stat__label { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.4; }

    /* --- Global Section Padding --- */
    .services, .industries, .trust-section, .faq { padding: 120px 0; background: var(--bg-primary); }
    .optimization, .cases, .process, .contact { padding: 120px 0; background: var(--bg-secondary); }

    /* --- Optimization Suite --- */
    .optimization {
        padding: 120px 0;
        background: var(--bg-secondary);
        position: relative;
    }
    .optimization::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--border), transparent);
    }
    .optimization__grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 2rem;
        margin-bottom: 3rem;
    }
    .optimization-card {
        position: relative;
        overflow: visible;
        transition: var(--transition);
    }
    .optimization-card::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: var(--radius);
        padding: 1px;
        background: conic-gradient(from var(--gradient-angle, 0deg), transparent 40%, var(--accent) 50%, transparent 60%);
        -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        -webkit-mask-composite: xor;
        mask-composite: exclude;
        opacity: 0;
        transition: opacity 0.4s ease;
        pointer-events: none;
    }
    .optimization-card:hover {
        border-color: rgba(59, 130, 246, 0.4);
        box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3), 0 0 20px var(--accent-glow);
        transform: translateY(-4px);
    }
    .optimization-card:hover::before {
        opacity: 1;
        animation: rotateGradient 4s linear infinite;
    }
    .optimization-card__icon {
        font-size: 48px;
        margin-bottom: 1.5rem;
        display: block;
    }
    .optimization-card__meta {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        padding-top: 1.5rem;
        border-top: 1px solid var(--border);
        font-size: 0.9rem;
        color: var(--text-secondary);
        margin-top: 1.5rem;
    }
    .optimization-card__price {
        color: var(--accent);
        font-size: 1.1rem;
        font-weight: 600;
        margin-top: 0.5rem;
    }
    .optimization__cta {
        text-align: center;
        margin-top: 3rem;
    }
    .optimization__cta .btn--primary {
        padding: 1rem 2.5rem;
        font-size: 1.1rem;
    }

    /* --- Services Grid & Cards --- */
    .services__grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: clamp(14px, 1.5vw, 22px);
    }
    
    /* Services specific overrides */
    .services .section-title, 
    .services .section-subtitle { 
        text-align: center; 
    }
    .services .section-subtitle { 
        margin-inline: auto; 
    }
    .services .service-card__meta { 
        flex-flow: row wrap; 
        align-items: baseline; 
        gap: 0.25rem 1.25rem; 
    }
    .services .service-card__price { 
        flex-basis: 100%; 
    }

    .service-card__meta {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        padding-top: 1.5rem;
        border-top: 1px solid var(--border);
        font-size: 0.9rem;
        color: var(--text-secondary);
    }
    .service-card__price { color: var(--accent); font-size: 1.1rem; font-weight: 600; }

    .service-card--feature {
        background: radial-gradient(ellipse at 64% 12%, #254977 0%, transparent 58%),
                    linear-gradient(155deg, #132642, #091324 82%);
    }
    .service-card--feature .card__title { font-size: clamp(1.55rem, 3vw, 2.65rem); line-height: 1.17; }
    
    .service-card--accent {
        background: linear-gradient(125deg, #193d9e, #2359b9);
        --text-secondary: #e4edff;
        --border: rgba(198, 219, 255, .35);
        --accent: #fff;
    }

    /* --- Cases & Industries --- */
    .cases__grid, .why__grid, .industries__grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 2rem;
    }
    .cases__grid { overflow-x: clip; }
    .industry-card .card__icon { width: 48px; height: 48px; }

    .case-card { position: relative; overflow: visible; }
    .service-card, .industry-card { overflow: clip; }
    
    .card-art {
        overflow: hidden;
        aspect-ratio: 5 / 2;
        margin-bottom: 1.5rem;
        mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
        view-timeline-name: --illustration;
    }
    .card-art img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    @keyframes case-engraving-drift {
        from { transform: scale(1.04) translateY(2.5%); }
        to { transform: scale(1.04) translateY(-2.5%); }
    }
    @media (prefers-reduced-motion: no-preference) {
        @supports (animation-timeline: view()) {
            .card-art img {
                animation: case-engraving-drift linear both;
                animation-timeline: --illustration;
                animation-range: entry 0% exit 100%;
            }
        }
    }

    .case-card__header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
    .case-card .card__title { flex: 1; min-width: 200px; }
    .case-card__btn {
        display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem;
        background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
        color: var(--text-primary); font-size: 0.85rem; font-weight: 500; text-decoration: none;
        white-space: nowrap; transition: var(--transition); backdrop-filter: blur(8px);
    }
    .case-card__btn svg { color: var(--accent); transition: var(--transition); }
    .case-card__btn:hover {
        border-color: var(--accent);
        background: rgba(59, 130, 246, 0.1);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    }
    .case-card__btn:hover svg { transform: translate(2px, -2px); }
    .case-card__text { color: var(--text-secondary); margin-bottom: 0.5rem; line-height: 1.6; font-size: 0.95rem; }
    .case-card__text strong { color: var(--text-primary); }

    .case-card__impact {
        margin-top: 1.5rem;
        padding: 1rem;
        background: rgba(59, 130, 246, 0.05);
        border-left: 3px solid var(--accent);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        display: flex;
        gap: 0.75rem;
        align-items: flex-start;
    }
    .case-card__impact svg { color: var(--accent); flex-shrink: 0; margin-top: 2px; }
    .case-card__impact p {
        font-size: 0.9rem; color: var(--text-primary); font-style: italic; line-height: 1.5; margin: 0;
    }
    .case-card__btn--nda {
        cursor: default; background: rgba(59, 130, 246, 0.08); border-color: rgba(59, 130, 246, 0.3); color: var(--accent);
    }
    .case-card__btn--nda:hover { transform: none; box-shadow: none; background: rgba(59, 130, 246, 0.08); border-color: rgba(59, 130, 246, 0.3); }
    .case-card__btn--nda svg { color: var(--accent); }

    /* --- Trust & Founder --- */
    .trust-section { position: relative; overflow: hidden; }
    .trust-section__header { margin-bottom: 4rem; }

    .security-section {
        margin-top: 5rem; padding: 3rem; background: var(--bg-card);
        border: 1px solid var(--border); border-radius: var(--radius);
        backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    }
    .security-section__title { font-size: 1.5rem; font-weight: 700; margin-bottom: 2rem; text-align: center; color: var(--text-primary); }
    .security-section__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
    .security-section__item { padding: 1rem; border-radius: var(--radius-sm); transition: var(--transition); }
    .security-section__item:hover { background: rgba(59, 130, 246, 0.05); }
    .security-section__item .card-art { margin-bottom: 1rem; }
    .security-section__content h4 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text-primary); }
    .security-section__content p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.5; margin: 0; }

    .founder__guarantee { margin-top: 6rem; padding-top: 6rem; border-top: 1px solid var(--border); position: relative; }
    .founder__guarantee::before {
        content: 'Личная гарантия качества'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
        background: var(--bg-primary); padding: 0 1.5rem; font-family: var(--font-display); font-size: 0.85rem;
        font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap;
    }
    .founder__grid { display: grid; grid-template-columns: 380px 1fr; gap: 4rem; align-items: center; position: relative; z-index: 1; }
    .founder__photo { position: relative; }
    .founder__image {
        width: 100%; aspect-ratio: 3 / 4; background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
        border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; backdrop-filter: blur(12px);
    }
    .founder__image img { width: 100%; height: 100%; object-fit: cover; display: block; }
    .founder__photo-badge {
        position: absolute; bottom: -16px; left: 50%; transform: translateX(-50%);
        display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.625rem 1.25rem; background: var(--bg-secondary);
        border: 1px solid var(--accent); border-radius: var(--radius-full); font-size: 0.85rem; color: var(--accent);
        white-space: nowrap; box-shadow: 0 0 20px var(--accent-glow);
    }
    .founder__label { display: inline-block; color: var(--accent); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; }
    .founder__name { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; margin-bottom: 0.5rem; color: var(--text-primary); }
    .founder__name .logo__dot { color: var(--accent); text-shadow: 0 0 15px var(--accent-glow); }
    .founder__role { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 2rem; }
    .founder__bio { margin-bottom: 2rem; }
    .founder__bio p { color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.8; font-size: 1.05rem; }
    .founder__bio strong { color: var(--text-primary); font-weight: 600; }
    .founder__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

    /* --- Process --- */
    .process__timeline {
        position: relative;
        max-width: 800px;
        margin: 0 auto;
        padding-left: 100px; /* ← было 60px */
    }
    .process__line {
        position: absolute;
        left: 50px; /* ← было 30px */
        top: 0;
        bottom: 0;
        width: 2px;
        background: var(--border);
    }
    .process__step { position: relative; margin-bottom: 3rem; opacity: 0; transform: translateX(-20px); transition: all 0.6s ease; }
    .process__step.animated { opacity: 1; transform: translateX(0); }
    .process__step:last-child { margin-bottom: 0; }
    .process__dot {
        position: absolute; left: -100px; top: 0; width: 60px; height: 60px;
        background: var(--bg-card); border: 2px solid var(--border); border-radius: 50%;
        display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.25rem;
        color: var(--text-secondary); transition: var(--transition); z-index: 2;
    }
    .process__step.animated .process__dot { background: var(--accent); border-color: var(--accent); color: white; box-shadow: 0 0 20px var(--accent-glow); }
    .process__content { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
    .process__title { font-size: 1.35rem; margin-bottom: 0.75rem; color: var(--text-primary); }
    .process__text { color: var(--text-secondary); line-height: 1.6; margin: 0; }

    /* --- Contact & FAQ --- */
    .contact__content { max-width: 600px; margin: 0 auto; text-align: center; }
    .contact__text { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 2.5rem; }
    .security-badges { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 2rem; }
    .security-badge {
        display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem;
        background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-full);
        font-size: 0.85rem; color: var(--text-secondary); backdrop-filter: blur(8px);
    }
    .security-badge svg { color: var(--accent); flex-shrink: 0; }

    .contact__form { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; text-align: left; }
    .form-group input, .form-group textarea {
        width: 100%; padding: 1rem 1.25rem; font-family: inherit; font-size: 1rem;
        color: var(--text-primary); background: var(--bg-card); border: 1px solid var(--border);
        border-radius: var(--radius); transition: var(--transition);
    }
    .form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
    .form-consent { display: flex; align-items: flex-start; gap: 0.75rem; margin: 0.5rem 0; }
    .form-consent input[type="checkbox"] { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); cursor: pointer; flex-shrink: 0; }
    .form-consent label { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.4; cursor: pointer; }
    .form-consent label a { color: var(--accent); text-decoration: underline; }
    .form-consent label a:hover { text-decoration: none; }

    .contact__info { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; margin-top: 1rem; align-items: center; }
    .contact__link-wrapper { position: relative; display: inline-flex; align-items: center; gap: 0.5rem; }
    .contact__link {
        display: inline-flex; align-items: center; gap: 0.75rem; padding: 0.875rem 1.5rem;
        color: var(--text-primary); text-decoration: none; background: var(--bg-card);
        border: 1px solid var(--border); border-radius: var(--radius); font-weight: 500;
        font-size: 0.95rem; transition: var(--transition); backdrop-filter: blur(12px);
    }
    .contact__link:hover { color: var(--accent); border-color: rgba(59, 130, 246, 0.4); box-shadow: 0 0 20px var(--accent-glow); transform: translateY(-2px); }
    .contact__icon { color: var(--accent); flex-shrink: 0; transition: var(--transition); }
    .contact__link:hover .contact__icon { transform: scale(1.1); }

    .faq__grid { display: flex; flex-direction: column; gap: 1rem; max-width: 800px; margin: 0 auto; }
    .faq__question {
        width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
        padding: 1.5rem 0; background: transparent; border: none; border-bottom: 1px solid var(--border);
        cursor: pointer; text-align: left; font-family: var(--font-display); font-size: 1.15rem;
        font-weight: 600; color: var(--text-primary); transition: var(--transition);
    }
    .faq__question:hover { color: var(--accent); }
    .faq__icon { font-size: 0.75rem; color: var(--accent); transition: transform 0.3s ease; flex-shrink: 0; }
    .faq__item.active .faq__icon { transform: rotate(90deg); }
    .faq__item.active .faq__question { color: var(--accent); border-bottom-color: var(--accent); }
    .faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
    .faq__item.active .faq__answer { max-height: 500px; }
    .faq__answer p { padding: 0 0 1.5rem 0; color: var(--text-secondary); line-height: 1.7; font-size: 1rem; margin: 0; }

    /* --- Footer & Sticky --- */
    .sticky-bar {
        position: sticky; bottom: 0; z-index: 900; background: rgba(3, 7, 18, 0.9);
        backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid var(--border); padding: 0.75rem 0; transition: opacity 0.3s ease;
    }
    .sticky-bar__content { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
    .sticky-bar__text { display: inline-flex; align-items: center; gap: 0.75rem; color: var(--text-primary); font-size: 0.95rem; font-weight: 500; }
    .sticky-bar__icon { color: var(--accent); flex-shrink: 0; }

    .footer { padding: 4rem 0; background: var(--bg-primary); border-top: 1px solid var(--border); }
    .footer__content { display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; }
    .footer__tagline { margin-top: 0.5rem; font-size: 0.9rem; color: var(--text-secondary); }
    .footer__legal { margin-top: 0.5rem; font-size: 0.8rem; color: var(--text-secondary); opacity: 0.7; }
    .footer__links { display: flex; gap: 2rem; flex-wrap: wrap; }
    .footer__links a { color: var(--text-secondary); text-decoration: none; transition: var(--transition); font-size: 0.95rem; }
    .footer__links a:hover { color: var(--text-primary); }
    .footer__socials { display: flex; gap: 1rem; }
    .footer__social-link {
        display: flex; align-items: center; justify-content: center; width: 44px; height: 44px;
        border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border);
        color: var(--text-secondary); transition: var(--transition);
    }
    .footer__social-link:hover { color: var(--accent); border-color: var(--accent); box-shadow: 0 0 15px var(--accent-glow); transform: translateY(-2px); }
    .footer__copyright { font-size: 0.9rem; color: var(--text-secondary); }
}

/* ==========================================================================
   6. UTILITIES & ANIMATIONS (УТИЛИТЫ)
   ========================================================================== */
@layer utilities {
    .scroll-progress {
        position: fixed; top: 0; left: 0; height: 3px;
        background: linear-gradient(90deg, var(--accent), #60A5FA);
        width: 0%; z-index: 999; transition: width 0.1s ease-out;
        box-shadow: 0 0 10px var(--accent-glow); pointer-events: none;
    }

    .floating-actions {
        position: fixed; bottom: 120px; right: 24px;
        display: flex; flex-direction: column; gap: 0.75rem; z-index: 950;
    }
    .floating-action {
        width: 56px; height: 56px; border-radius: 50%;
        display: flex; align-items: center; justify-content: center;
        color: white; text-decoration: none; transition: var(--transition);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); position: relative; border: none; cursor: pointer;
    }
    .floating-action::before {
        content: ''; position: absolute; inset: -4px; border-radius: 50%;
        background: currentColor; opacity: 0; transition: opacity 0.3s ease; z-index: -1;
    }
    .floating-action:hover::before { opacity: 0.2; animation: pulseRing 1.5s ease-out infinite; }
    @keyframes pulseRing {
        0% { transform: scale(1); opacity: 0.3; }
        100% { transform: scale(1.4); opacity: 0; }
    }
    .floating-action--telegram { background: var(--telegram); }
    .floating-action--telegram:hover { transform: scale(1.1) translateY(-4px); box-shadow: 0 8px 30px rgba(34, 158, 217, 0.5); }
    .floating-action--whatsapp { background: var(--whatsapp); }
    .floating-action--whatsapp:hover { transform: scale(1.1) translateY(-4px); box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5); }
    .floating-action--top {
        background: linear-gradient(135deg, var(--accent), var(--accent-hover));
        opacity: 0; visibility: hidden;
        box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
    .floating-action--top.visible { opacity: 1; visibility: visible; animation: fadeInUp 0.4s ease; }
    @keyframes fadeInUp {
        from { opacity: 0; transform: translateY(20px); }
        to { opacity: 1; transform: translateY(0); }
    }
    .floating-action--top:hover { transform: scale(1.1) translateY(-4px); box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.3); }
    .floating-action--top:active { transform: scale(1.05) translateY(-2px); }

    .toast {
        position: fixed; top: 100px; right: 24px;
        background: var(--bg-card); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
        border: 1px solid var(--border); border-radius: var(--radius);
        padding: 1rem 1.5rem; color: var(--text-primary); font-size: 0.95rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); z-index: 2000;
        opacity: 0; transform: translateX(400px); transition: all 0.3s ease; max-width: 320px;
    }
    .toast--visible { opacity: 1; transform: translateX(0); }
    .toast--success { border-left: 4px solid #10B981; }
    .toast--error { border-left: 4px solid #EF4444; }

    .tooltip {
        position: relative; border-bottom: 1px dashed var(--accent); cursor: help;
        color: var(--accent); font-weight: 500;
    }
    .tooltip::after {
        content: attr(data-tooltip); position: absolute; bottom: 100%; left: 50%;
        transform: translateX(-50%) translateY(-8px);
        background: var(--bg-secondary); color: var(--text-primary);
        padding: 0.75rem 1rem; border-radius: var(--radius-sm); font-size: 0.85rem;
        width: 250px; opacity: 0; visibility: hidden; transition: var(--transition);
        border: 1px solid var(--border); z-index: 100; line-height: 1.4;
        font-family: var(--font-sans); pointer-events: none; font-weight: 400; text-align: left;
    }
    .tooltip:hover::after { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(-4px); }
    .tooltip.tooltip--active::after { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(-4px); }

    .copy-btn {
        width: 40px; height: 40px; background: var(--bg-card); border: 1px solid var(--border);
        border-radius: var(--radius-sm); color: var(--text-secondary); cursor: pointer;
        display: flex; align-items: center; justify-content: center; transition: var(--transition); flex-shrink: 0;
    }
    .copy-btn:hover { background: var(--accent); color: white; border-color: var(--accent); }
    .copy-btn.copied { background: #10B981; color: white; border-color: #10B981; }

    @keyframes iconBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
    .service-card.animated .card__icon { animation: iconBounce 0.6s ease-out; }

    .js .service-card, .js .case-card, .js .why__item, .js .industry-card {
        opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .js .service-card.animated, .js .case-card.animated, .js .why__item.animated, .js .industry-card.animated {
        opacity: 1; transform: translateY(0);
    }

    .hero__title { min-height: 2.4em; line-height: 1.1; }
    .stat__number { min-height: 1.2em; display: flex; align-items: center; justify-content: center; }
    .card__title, .process__title, .founder__name, .section-title { min-height: 1.3em; }
    .hero__subtitle, .card__text, .stat__label { min-height: 1.5em; }
}

/* ==========================================================================
   7. RESPONSIVE (АДАПТИВНОСТЬ)
   ========================================================================== */
@layer responsive {
    @media (min-width: 960px) {
        .services__grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
        .services .service-card { grid-column: span 6; }
        
        .services .service-card--feature {
            grid-column: span 7; grid-row: span 2;
            display: flex; flex-direction: column;
            padding: clamp(28px, 3.2vw, 48px);
        }
        .service-card--feature .card-art {
            flex: 1; min-height: 240px; position: relative;
            margin-inline: -1.5rem;
        }
        .service-card--feature .card-art img { position: absolute; inset: 0; object-fit: contain; }
        
        .services .service-card--compact { grid-column: span 5; }
        .service-card--compact .card-art {
            float: right; width: 30%; aspect-ratio: 1.7; margin: 0 0 .45rem .6rem;
        }
        .service-card--compact .card-art img { object-fit: cover; }
        .service-card--compact .card__text { clear: both; }
        
        .services .service-card--wide {
            grid-column: 1 / -1; display: grid;
            grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
            column-gap: clamp(28px, 4vw, 64px);
            background: linear-gradient(100deg, #182e4a, #101c2d 54%);
        }
        .service-card--wide .card-art { grid-row: span 3; align-self: center; margin: 0; }
    }

    @media (max-width: 1024px) {
        .founder__grid { grid-template-columns: 300px 1fr; gap: 3rem; }
    }

    @media (max-width: 768px) {
        .burger { display: flex; z-index: 1002; }
        
        .nav {
            position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
            flex-direction: column; justify-content: center; align-items: center; gap: 2rem;
            padding-top: 80px; background: rgba(3, 7, 18, 0.98); backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
            transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); z-index: 1001;
        }
        .nav.active { transform: translateX(0); }

        .hero { padding: 140px 0 80px; }
        .hero__title { font-size: 2.25rem; }
        .hero__subtitle { font-size: 1.1rem; }
        .section-title { font-size: 2rem; margin-bottom: 1.5rem; }
        .section-subtitle { font-size: 1rem; margin-bottom: 2.5rem; }

        .services, .trust-section, .process, .contact,
        .cases, .industries, .faq, .optimization { padding: 80px 0; }
        
        .services__grid, .cases__grid, .why__grid, .industries__grid, .optimization__grid { 
            grid-template-columns: 1fr; 
        }

        .security-section { padding: 2rem 1.5rem; margin-top: 3rem; }
        .security-section__grid { grid-template-columns: 1fr; gap: 1rem; }
        .security-section__item { padding: 0.75rem; }

        .process__timeline { padding-left: 50px; }
        .process__line { left: 20px; }
        .process__dot { left: -50px; width: 40px; height: 40px; font-size: 0.9rem; }
        .process__content { padding: 1.5rem; }

        .founder__guarantee { margin-top: 4rem; padding-top: 4rem; }
        .founder__guarantee::before { font-size: 0.75rem; padding: 0 1rem; }
        .founder__grid { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
        .founder__photo { max-width: 280px; margin: 0 auto; }
        .founder__actions { justify-content: center; }
        .founder__bio p { text-align: left; }

        .footer__content { flex-direction: column; text-align: center; gap: 1.5rem; }
        .footer__links { flex-wrap: wrap; justify-content: center; }
        .footer__socials { justify-content: center; }

        .security-badges { gap: 0.5rem; }
        .security-badge { font-size: 0.8rem; padding: 0.4rem 0.75rem; }
        .case-card__btn { min-width: auto; }
        .trust-section { overflow-x: hidden; }

        .toast { top: 80px; right: 16px; left: 16px; max-width: none; }
        .sticky-bar { padding: 0.5rem 0; }
        .sticky-bar__content { gap: 0.75rem; }
        .sticky-bar__text { font-size: 0.85rem; gap: 0.5rem; }
        .sticky-bar__text svg { width: 16px; height: 16px; }
        .sticky-bar .btn--sm { padding: 0.4rem 1rem; font-size: 0.8rem; }

        .floating-actions { bottom: 100px; right: 16px; gap: 0.5rem; }
        .floating-action { width: 48px; height: 48px; }
        .floating-action svg { width: 20px; height: 20px; }
        .hero__grid { display: none; }

        .optimization__grid { gap: 1.5rem; }
        .optimization-card__icon { font-size: 40px; }
    }

    @media (max-width: 600px) {
        .sticky-bar__text { display: none; }
        .sticky-bar__content { justify-content: center; flex-direction: row; text-align: center; gap: 0.75rem; }
        .faq__question { font-size: 1rem; padding: 1.25rem 0; }
        .founder__actions { flex-direction: column; align-items: center; }
        .contact__info { flex-direction: column; align-items: stretch; }
        .contact__link-wrapper { width: 100%; justify-content: center; }
        .contact__link { flex: 1; justify-content: center; }
        .floating-actions { bottom: 80px; right: 12px; gap: 0.5rem; }
        .floating-action { width: 44px; height: 44px; }
        .floating-action svg { width: 18px; height: 18px; }
    }

    @media (max-width: 480px) {
        .container { padding: 0 16px; }
        .hero__title { font-size: 1.75rem; }
        .hero__subtitle { font-size: 1rem; }
        .section-title { font-size: 1.5rem; }
        .card { padding: 1.5rem; }
        .stat__number { font-size: 2rem; }
        .founder__name { font-size: 1.75rem; }
        .btn { padding: 0.75rem 1.5rem; font-size: 0.9rem; }
        .process__timeline { padding-left: 40px; }
        .process__line { left: 15px; }
        .process__dot { left: -40px; width: 32px; height: 32px; font-size: 0.8rem; }
        .process__content { padding: 1.25rem; }
        .process__title { font-size: 1.1rem; }
    }

    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
        html { scroll-behavior: auto; }
        .js .stat, .js .service-card, .js .case-card, .js .why__item, .js .process__step, .js .industry-card {
            opacity: 1 !important; transform: none !important;
        }
        .hero__grid { display: none; }
    }
}