* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    height: 80px;
    width: auto;
    object-fit: contain;
    border-radius: 5px;
}

.header h1 {
    font-size: 1.8rem;
    margin: 0;
}

.header-subtitle {
    font-size: 0.95rem;
    opacity: 0.9;
}

.nav {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.nav a:hover {
    color: var(--secondary-color);
}

/* Sections */
.section {
    padding: 3rem 0;
    background-color: var(--white);
    margin-bottom: 2rem;
}

.section:nth-child(even) {
    background-color: var(--bg-color);
}

.section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2rem;
    border-bottom: 3px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.section h3 {
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Company Info */
.company-logo-section {
    text-align: center;
    margin-bottom: 2rem;
}

.company-logo {
    max-width: 300px;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.company-info {
    display: grid;
    gap: 1rem;
    max-width: 800px;
}

.info-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 5px;
    border-left: 4px solid var(--secondary-color);
}

.info-item strong {
    min-width: 200px;
    color: var(--primary-color);
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.product-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.product-card .description {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.product-card .price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-top: 1rem;
}

/* Order Form */
.order-form {
    max-width: 600px;
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
}

.checkbox-label a {
    color: var(--secondary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.btn {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    font-weight: 500;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--white);
    width: 100%;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Payment Info */
.payment-info,
.delivery-info,
.return-info,
.personal-data-info,
.offer-info {
    max-width: 900px;
}

.payment-info ul,
.payment-info ol,
.delivery-info ul,
.return-info ol,
.personal-data-info ul,
.personal-data-info ol,
.offer-info ul,
.offer-info ol {
    margin-left: 2rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.payment-info li,
.delivery-info li,
.return-info li,
.personal-data-info li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.payment-info p,
.delivery-info p,
.return-info p,
.personal-data-info p,
.offer-info p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.payment-troubleshooting {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: #fff3cd;
    border-left: 4px solid #ffc107;
    border-radius: 5px;
}

.payment-troubleshooting h3 {
    color: #856404;
    margin-top: 0;
}

.bank-logo {
    margin-top: 1.5rem;
}

.bank-logo img {
    height: 40px;
    width: auto;
}

/* Contacts */
.contacts-info {
    display: grid;
    gap: 1rem;
    max-width: 600px;
}

.contact-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 5px;
    border-left: 4px solid var(--secondary-color);
}

.contact-item strong {
    min-width: 120px;
    color: var(--primary-color);
}

.contact-item a {
    color: var(--secondary-color);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    margin: 0.5rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .logo {
        height: 50px;
    }

    .nav {
        justify-content: center;
    }

    .section h2 {
        font-size: 1.5rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .info-item {
        flex-direction: column;
    }

    .info-item strong {
        min-width: auto;
    }

    .contact-item {
        flex-direction: column;
    }

    .contact-item strong {
        min-width: auto;
    }
}

/* ================================
   Новый современный тёмный стиль
   ================================ */

:root {
    --primary-color: #0f172a;
    --secondary-color: #6366f1;
    --accent-color: #f97316;
    --text-color: #e5e7eb;
    --bg-color: #020617;
    --white: #ffffff;
    --border-color: rgba(148, 163, 184, 0.4);
    --shadow: 0 24px 60px rgba(15, 23, 42, 0.7);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: radial-gradient(circle at top left, #1e293b 0, #020617 45%, #000000 100%);
    min-height: 100vh;
}

.header {
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    color: var(--white);
    padding: 1.25rem 0;
    position: static;
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    box-shadow: none;
}

.header .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
}

.logo {
    height: 88px;
    width: auto;
    object-fit: contain;
    border-radius: 999px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.8);
}

.header h1 {
    font-size: 1.9rem;
    margin: 0;
    letter-spacing: 0.04em;
}

.header-subtitle {
    font-size: 0.95rem;
    opacity: 0.9;
    color: #cbd5f5;
}

.nav {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.25s, background-color 0.25s, transform 0.15s, border-color 0.25s;
    font-size: 0.9rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid transparent;
}

.nav a:hover {
    color: #e5e7eb;
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(129, 140, 248, 0.7);
    transform: translateY(-1px);
}

.section {
    padding: 4rem 0;
    background: transparent;
    margin-bottom: 0;
}

.section > .container {
    background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.99));
    border-radius: 24px;
    padding: 2.75rem 2.25rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(148, 163, 184, 0.45);
}

.section h2 {
    color: #e5e7eb;
    margin-bottom: 2rem;
    font-size: 2rem;
    border-bottom: 2px solid rgba(148, 163, 184, 0.55);
    padding-bottom: 0.75rem;
}

.section h3 {
    color: #e5e7eb;
}

.company-logo {
    max-width: 260px;
    border-radius: 999px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.9);
}

.company-info {
    max-width: 860px;
}

.info-item {
    background: rgba(15, 23, 42, 0.95);
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.45);
}

.info-item strong {
    min-width: 210px;
    color: #e5e7eb;
}

.products-grid {
    gap: 2.25rem;
}

.product-card {
    background: radial-gradient(circle at top, rgba(30, 64, 175, 0.22), rgba(15, 23, 42, 0.98));
    border-radius: 18px;
    border: 1px solid rgba(129, 140, 248, 0.7);
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.85);
}

.product-card h3 {
    color: #e5e7eb;
}

.product-card .description {
    color: #cbd5f5;
}

.product-card .price {
    color: #f97316;
}

.order-form {
    background: rgba(15, 23, 42, 0.96);
    border-radius: 18px;
    border: 1px solid rgba(148, 163, 184, 0.5);
}

.form-group label {
    color: #e5e7eb;
}

.form-group input,
.form-group textarea,
.form-group select {
    background: rgba(15, 23, 42, 0.9);
    color: #e5e7eb;
    border-radius: 10px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #64748b;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    box-shadow: 0 16px 38px rgba(79, 70, 229, 0.75);
    border-radius: 999px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

.btn-secondary {
    background: transparent;
    color: #e5e7eb;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    padding-inline: 2.5rem;
}

.btn-secondary:hover {
    background: rgba(148, 163, 184, 0.12);
    border-color: rgba(148, 163, 184, 1);
}

.payment-info,
.delivery-info,
.return-info,
.personal-data-info {
    background: rgba(15, 23, 42, 0.92);
    border-radius: 18px;
    padding: 1.75rem 1.5rem;
    border: 1px solid rgba(148, 163, 184, 0.45);
}

.payment-troubleshooting {
    background: rgba(251, 191, 36, 0.09);
    border-left-color: #facc15;
}

.payment-troubleshooting h3 {
    color: #facc15;
}

.bank-logo img {
    height: 44px;
}

.contacts-info {
    max-width: 720px;
}

.offer-download {
    margin-top: 2.5rem;
    text-align: left;
}

.offer-download p {
    margin-bottom: 1.25rem;
}

.contact-item {
    background: rgba(15, 23, 42, 0.95);
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.5);
}

.contact-item strong {
    color: #e5e7eb;
}

.contact-item a {
    color: #a5b4fc;
}

.footer {
    background: transparent;
    border-top: 1px solid rgba(148, 163, 184, 0.45);
}

.footer p {
    color: #9ca3af;
}

@media (max-width: 768px) {
    .section > .container {
        padding: 2.25rem 1.5rem;
        border-radius: 18px;
    }

    .header h1 {
        font-size: 1.6rem;
    }

    .logo {
        height: 72px;
    }
}