:root {
    --primary: #0f4c81;
    --primary-dark: #0a355b;
    --secondary: #f2b705;
    --text: #1f2937;
    --muted: #6b7280;
    --light: #f5f8fc;
    --white: #ffffff;
    --border: #d9e2ec;
    --danger: #b91c1c;
    --success: #047857;
    --shadow: 0 18px 45px rgba(15, 76, 129, 0.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.nav-wrap {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    font-weight: 800;
    letter-spacing: 0.5px;
}

.brand strong {
    display: block;
    font-size: 20px;
    color: var(--primary-dark);
}

.brand small {
    display: block;
    font-size: 15px;
    color: var(--muted);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    padding: 10px 14px;
    border-radius: 10px;
    color: var(--text);
    font-weight: 600;
    transition: 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
    background: #e8f1fb;
}

.menu-toggle {
    display: none;
    border: 1px solid var(--border);
    background: var(--white);
    border-radius: 10px;
    font-size: 24px;
    padding: 6px 12px;
    cursor: pointer;
}

.hero {
    padding: 90px 0;
    background:
        radial-gradient(circle at top left, rgba(242, 183, 5, 0.18), transparent 30%),
        linear-gradient(135deg, #f8fbff 0%, #eef5ff 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr;
    gap: 36px;
    align-items: center;
}

.tagline,
.section-title p,
.page-banner p {
    color: var(--primary);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 13px;
    margin: 0 0 10px;
}

.hero h1,
.page-banner h1 {
    margin: 0;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.08;
    color: var(--primary-dark);
}

.hero-text {
    max-width: 650px;
    font-size: 18px;
    color: var(--muted);
    margin: 22px 0 28px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 20px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s ease;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-light {
    background: var(--white);
    color: var(--primary);
    border-color: var(--border);
}

.btn-light:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.hero-card,
.about-panel,
.form-box,
.contact-info {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 28px;
}

.hero-card h3,
.about-panel h3,
.form-box h3 {
    margin-top: 0;
    color: var(--primary-dark);
}

.hero-card ul,
.about-panel ul {
    margin: 0;
    padding-left: 20px;
}

.hero-card li,
.about-panel li {
    margin: 10px 0;
}

.section {
    padding: 72px 0;
}

.soft-bg {
    background: var(--light);
}

.section-title {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 34px;
}

.section-title h2,
.about-grid h2,
.contact-info h2,
.split-box h2 {
    margin: 0 0 14px;
    color: var(--primary-dark);
    font-size: clamp(26px, 4vw, 38px);
    line-height: 1.18;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.info-card {
    padding: 28px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 22px;
    transition: 0.2s ease;
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.card-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: #e8f1fb;
    font-size: 26px;
    margin-bottom: 16px;
}

.info-card h3 {
    margin: 0 0 8px;
    color: var(--primary-dark);
}

.info-card p {
    margin: 0;
    color: var(--muted);
}

.split-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 26px;
    padding: 34px;
    box-shadow: var(--shadow);
}

.split-box p {
    margin-bottom: 0;
    color: var(--muted);
}

.page-banner {
    padding: 78px 0;
    background: linear-gradient(135deg, #eef5ff, #ffffff);
    border-bottom: 1px solid var(--border);
}

.about-grid,
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 0.85fr;
    gap: 28px;
    align-items: start;
}

.about-grid p,
.contact-info p {
    color: var(--muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.stat-box {
    padding: 28px;
    text-align: center;
    background: var(--primary);
    color: var(--white);
    border-radius: 22px;
}

.stat-box strong {
    display: block;
    font-size: 42px;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-box span {
    font-weight: 600;
    opacity: 0.95;
}

.contact-card {
    margin-top: 18px;
    padding: 18px;
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.contact-card strong {
    display: block;
    color: var(--primary-dark);
}

.contact-card span {
    color: var(--muted);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 7px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 15px;
    outline: none;
    transition: 0.2s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(15, 76, 129, 0.12);
}

.field-error {
    display: block;
    min-height: 18px;
    color: var(--danger);
    font-size: 12px;
    margin-top: 4px;
}

.full-btn {
    width: 100%;
}

.alert {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-weight: 700;
}

.alert.success {
    background: #ecfdf5;
    color: var(--success);
    border: 1px solid #a7f3d0;
}

.alert.error {
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
}

.site-footer {
    background: #0b253f;
    color: var(--white);
    padding-top: 42px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding-bottom: 32px;
}

.site-footer h3 {
    margin-top: 0;
}

.site-footer p {
    color: rgba(255, 255, 255, 0.78);
}

.footer-bottom {
    text-align: center;
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.75);
    font-size: 14px;
}

.scroll-top {
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow);
    display: none;
}

.scroll-top.show {
    display: block;
}

@media (max-width: 850px) {
    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        padding: 12px 16px;
    }

    .main-nav.show {
        display: flex;
    }

    .main-nav a {
        padding: 13px 14px;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-grid,
    .about-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cards-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .split-box {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 520px) {
    .brand strong {
        font-size: 14px;
    }

    .brand small {
        font-size: 11px;
    }

    .brand-icon {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        font-size: 13px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}