:root {
            --color-dark: #0f2b46;
            --color-blue: #1a56db;
            --color-blue-light: #3b82f6;
            --color-blue-pale: #e8f0fe;
            --color-accent: #FF6600;
            --color-accent-hover: #e55d00;
            --color-bg: #f6f8fb;
            --color-white: #ffffff;
            --color-text: #1e293b;
            --color-text-light: #475569;
            --color-text-muted: #64748b;
            --color-border: #e2e8f0;
            --color-card-shadow: rgba(15, 43, 70, 0.06);
            --color-card-hover-shadow: rgba(15, 43, 70, 0.12);
            --color-brand: #857BC8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --max-width: 1200px;
            --transition: 0.25s ease;
            --font-main: 'Roboto', sans-serif;
            --font-heading: 'Roboto Condensed', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            /* background-color: var(--color-bg); */
            color: var(--color-text);
            line-height: 1.6;
            min-width: 320px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-blue-light);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4, .hero__title, .section__title, .card__title, .form-card__title, .contacts-block h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            letter-spacing: -0.3px;
        }

img {
max-width: 100%;
}
        .hero__title .brand-highlight {
            color: var(--color-brand);
            font-weight: inherit;
        }
        .header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px 20px;
            padding: 12px 0;
            min-height: 64px;
        }
        .header__logo {
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-dark);
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
        }
        .header__logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .header__contacts {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--color-text-light);
        }
        .header__address {
            display: flex;
            align-items: flex-start;
            gap: 6px;
            line-height: 1.4;
        }
        .header__address-icon {
            flex-shrink: 0;
            margin-top: 2px;
            color: #0f2b46;
        }
        .header__phone-block {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 2px;
        }
        .header__phone {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-dark);
            white-space: nowrap;
        }
        .header__phone:hover {
            color: var(--color-blue);
        }
        .header__hours {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            white-space: nowrap;
        }
        @media (max-width: 768px) {
            .header__inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 10px;
                gap: 8px;
            }
            .header__contacts {
                width: 100%;
                justify-content: space-between;
                gap: 10px;
                font-size: 0.82rem;
            }
            .header__phone-block {
                align-items: flex-end;
            }
            .header__phone {
                font-size: 1rem;
            }
            .header__hours {
                font-size: 0.72rem;
            }
            .header__address {
                font-size: 0.8rem;
                max-width: 55%;
            }
        }
        @media (max-width: 420px) {
            .header__contacts {
                flex-direction: row;
                align-items: flex-start;
                gap: 6px;
            }
            .header__phone-block {
                align-items: flex-start;
            }
            .header__address {
                max-width: 100%;
                display: none;
            }
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.3;
            letter-spacing: 0.1px;
            white-space: nowrap;
            font-family: var(--font-main);
        }
        .btn--accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255,102,0,0.3);
        }
        .btn--accent:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(255,102,0,0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn--outline {
            background: transparent;
            color: var(--color-blue);
            border: 2px solid var(--color-blue);
        }
        .btn--outline:hover {
            background: var(--color-blue);
            color: #fff;
        }
        .btn--white {
            background: #fff;
            color: var(--color-dark);
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            border: 1px solid var(--color-border);
            display: none;
        }
        .btn--white:hover {
            box-shadow: 0 4px 16px rgba(0,0,0,0.14);
            transform: translateY(-1px);
            border-color: #cbd5e1;
        }
        .btn--lg {
            padding: 16px 36px;
            font-size: 1.1rem;
        }
        @media (max-width: 600px) {
            .btn {
                padding: 12px 22px;
                font-size: 0.9rem;
                width: 100%;
            }
            .btn--lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }
        .hero {
            /* background: #f6f8fb; */
            /* background-image: radial-gradient(circle at 20% 30%, rgba(133,123,200,0.06) 0%, transparent 45%),
                              radial-gradient(circle at 80% 70%, rgba(255,102,0,0.04) 0%, transparent 45%); */
            color: var(--color-dark);
            padding: 60px 0 0;
            position: relative;
            overflow: hidden;
            /* border-bottom: 1px solid var(--color-border); */
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 450px;
            height: 450px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(133,123,200,0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,102,0,0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero__inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 40px;
            justify-content: space-between;
        }
        .hero__content {
            flex: 1 1 55%;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .hero__image-placeholder {
            flex: 0 0 auto;
            width: 100%;
            max-width: 608px;
            /* aspect-ratio: 608 / 554; */
            /* background: #ffffff; */
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            /* border: 1px dashed #cbd5e1; */
            /* box-shadow: 0 4px 18px rgba(0,0,0,0.04); */
            overflow: hidden;
        }
        .hero__overline {
            font-size: 0.85rem;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .hero__title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-dark);
        }
        .hero__subtitle {
            font-size: 1.15rem;
            color: var(--color-text-light);
            line-height: 1.6;
            max-width: 600px;
        }
        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }
        @media (max-width: 992px) {
            .hero__inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero__image-placeholder {
                max-width: 100%;
                /* aspect-ratio: 608 / 400; */
                width: 100%;
            }
        }
        @media (max-width: 600px) {
            .hero {
                padding: 40px 0;
            }
            .hero__title {
                font-size: 1.8rem;
            }
            .hero__subtitle {
                font-size: 1rem;
            }
            .hero__image-placeholder {
                /* aspect-ratio: 16 / 9; */
            }
        }
        .section {
            padding: 56px 0;
        }
        .section--tight {
            padding: 36px 0;
        }
        .section--brand {
            background: var(--color-brand);
            padding: 0;
        }
        .section__title {
            font-size: 2.8rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 8px;
            color: var(--color-dark);
        }
        .section__subtitle {
            text-align: center;
            color: var(--color-text-light);
            margin-bottom: 36px;
            font-size: 1rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 600px) {
            .section {
                padding: 36px 0;
            }
            .section__title {
                font-size: 1.8rem;
            }
            .section__subtitle {
                font-size: 0.9rem;
                margin-bottom: 24px;
            }
        }
        .notice-badge {
            background: #F4F2F9;
            /* border-left: 4px solid #ffffff; */
            border-radius: var(--radius-sm);
            padding: 30px;
            font-size: 1rem;
            color: var(--color-dark);
            line-height: 1.5;
            margin: 0 auto;
            /* max-width: 800px; */
            margin-top: -40px;
            position: relative;
            z-index: 10;
text-align: center;
        }
        .notice-badge strong {
            /* color: var(--color-blue); */
        }
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 900px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 560px) {
            .cards-grid {
                grid-template-columns: 1fr;
            }
        }
        .card {
            background: #F4F2F9;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: 0 2px 10px var(--color-card-shadow);
            transition: all var(--transition);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .card:hover {
            box-shadow: 0 8px 28px var(--color-card-hover-shadow);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .card__icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
            display: none;
        }
        .card__icon--blue { background: #e8f0fe; color: var(--color-blue); }
        .card__icon--amber { background: #fef3c7; color: #d97706; }
        .card__icon--green { background: #d1fae5; color: #059669; }
        .card__icon--purple { background: #ede9fe; color: #7c3aed; }
        .card__icon--rose { background: #ffe4e6; color: #e11d48; }
        .card__icon--teal { background: #ccfbf1; color: #0d9488; }
        .card__title {
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--color-dark);
        }
        .card__desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.55;
            flex-grow: 1;
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .about-grid__image {
            width: 100%;
            max-width: 608px;
            aspect-ratio: 608 / 554;
            /* background: #e9eef2; */
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            /* border: 1px dashed var(--color-border); */
        }
        .about-grid__text h3 {
            font-size: 2.4rem;
            line-height: 1.2;
            color: var(--color-dark);
            margin-bottom: 12px;
        }
        .about-grid__text p,
        .about-grid__text ul {
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 10px;
        }
        .about-grid__text ul {
            list-style: none;
            padding-left: 0;
        }
        .about-grid__text ul li {
            padding-left: 22px;
            position: relative;
            margin-bottom: 6px;
        }
        .about-grid__text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 9px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }
        @media (max-width: 768px) {
            .about-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .about-grid__image {
                max-width: 100%;
                aspect-ratio: initial;
                order: -1;
            }
        }
        .demo-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .demo-form__image-placeholder {
            width: 100%;
            max-width: 600px;
            /* aspect-ratio: 608 / 554; */
            /* background: rgba(255,255,255,0.15); */
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            justify-content: center;
            /* color: rgba(255,255,255,0.9); */
            font-size: 0.9rem;
            /* border: 1px dashed rgba(255,255,255,0.4); */
        }
        .form-card {
            /* background: #fff; */
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            /* box-shadow: 0 4px 20px rgba(0,0,0,0.08); */
            /* border: 2px solid var(--color-border); */
            width: 100%;
        }
        .form-card__title {
            font-size: 2.2rem;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 6px;
            /* text-align: center; */
        }
        .form-card__subtitle {
            font-size: 0.9rem;
            color: #ffffff;
            /* text-align: center; */
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.85rem;
            color: #ffffff;
            margin-bottom: 5px;
        }
        .form-group input[type="text"],
        .form-group input[type="tel"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: var(--font-main);
            transition: border-color var(--transition);
            background: #fafbfc;
            color: var(--color-dark);
        }
        .form-group input:focus {
            outline: none;
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255,102,0,0.08);
        }
        .form-checkbox {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.82rem;
            color: #ffffff;
            line-height: 1.45;
            margin-bottom: 20px;
            cursor: pointer;
        }
        .form-checkbox input[type="checkbox"] {
            margin-top: 2px;
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            accent-color: var(--color-accent);
            cursor: pointer;
        }
        .form-card .btn {
            width: 100%;
        }
        @media (max-width: 768px) {
            .demo-grid {
                grid-template-columns: 1fr;
            }
            .demo-form__image-placeholder {
                max-width: 100%;
                aspect-ratio: 16/9;
                order: 1;
            }
        }
        @media (max-width: 480px) {
            .form-card {
                padding: 24px 18px;
            }
        }
        .contacts-block {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: 0 2px 10px var(--color-card-shadow);
            display: flex;
            flex-direction: column;
            gap: 16px;
            text-align: center;
            max-width: 480px;
            margin: 0 auto;
        }
        .contacts-block h4 {
            font-size: 1.15rem;
            color: var(--color-dark);
        }
        .footer {
            background: var(--color-dark);
            color: rgba(255,255,255,0.75);
            padding: 28px 0;
            font-size: 0.85rem;
            line-height: 1.6;
        }
        .footer__inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .footer__links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer__links a {
            color: rgba(255,255,255,0.7);
            font-size: 0.82rem;
        }
        .footer__links a:hover {
            color: #fff;
        }
        @media (max-width: 600px) {
            .footer__inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer__links {
                flex-direction: column;
                gap: 6px;
            }
        }
        .text-center { text-align: center; }
        .mt-12 { margin-top: 12px; }
        .mt-20 { margin-top: 20px; }
        .mb-20 { margin-bottom: 20px; }
        .mb-28 { margin-bottom: 28px; }
        .max-w-680 { max-width: 680px; margin-left: auto; margin-right: auto; }
        .tag {
            display: inline-block;
            background: #ffe4d2;
            color: #e55d00;
            font-weight: 600;
            font-size: 0.78rem;
            padding: 5px 12px;
            border-radius: 20px;
        }
        .divider {
            border: none;
            border-top: 1px solid var(--color-border);
        }

.demo-grid {
    position: relative;
}

.demo-form__image-placeholder {
    position: absolute;
    bottom: 0;
    right: 0;
}

@media (max-width: 768px) {
    .demo-form__image-placeholder {
        display: none;
    }
}