/* === Reset & base === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #0a1628;
    --bg-2: #0f1d35;
    --surface: #142544;
    --text: #e9eef7;
    --text-muted: #9aa9c4;
    --accent: #4ea8ff;
    --accent-2: #82c4ff;
    --warn: #ff6b6b;
    --border: rgba(255, 255, 255, 0.08);
    --radius: 14px;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
    --transition: 0.25s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

/* === Header === */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    padding-bottom: 18px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

.logo-mark {
    font-size: 1.5rem;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.nav a:hover::after {
    transform: scaleX(1);
}

/* === Hero === */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.55) saturate(1.05);
    transform: scale(1.05);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(10, 22, 40, 0.92) 0%, rgba(10, 22, 40, 0.55) 60%, rgba(10, 22, 40, 0.85) 100%),
        radial-gradient(ellipse at 30% 50%, rgba(78, 168, 255, 0.18), transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 820px;
    padding: 80px 24px;
}

.hero-eyebrow {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid rgba(78, 168, 255, 0.4);
    border-radius: 100px;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-2);
    margin-bottom: 24px;
    background: rgba(78, 168, 255, 0.08);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.accent {
    color: var(--accent);
    background: linear-gradient(135deg, var(--accent), #b3d9ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 700px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #2b87e8);
    color: #fff;
    box-shadow: 0 10px 30px rgba(78, 168, 255, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(78, 168, 255, 0.5);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

/* === Stats === */
.stats {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 56px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-num {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* === Sections === */
.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--bg-2);
}

.section-protection {
    background: linear-gradient(180deg, var(--bg) 0%, #0d1a30 100%);
}

.eyebrow {
    color: var(--accent);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 16px;
}

.eyebrow.center, h2.center, .lead.center {
    text-align: center;
}

h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 18px;
}

.lead {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 auto 56px;
}

/* === Two-column layout === */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.two-col-reverse .col-image {
    order: 2;
}

.col-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
}

/* === Lists === */
.check-list {
    list-style: none;
    margin-top: 28px;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.check-list li:last-child {
    border-bottom: none;
}

.check-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(78, 168, 255, 0.12);
    border-radius: 50%;
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
}

/* === Signs grid === */
.signs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 16px;
}

.sign-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: transform var(--transition), border-color var(--transition);
}

.sign-card:hover {
    transform: translateY(-4px);
    border-color: rgba(78, 168, 255, 0.4);
}

.sign-icon {
    font-size: 2rem;
    margin-bottom: 14px;
}

.sign-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.sign-card p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.55;
}

/* === Steps === */
.steps {
    list-style: none;
    counter-reset: step;
    margin-top: 28px;
}

.steps li {
    counter-increment: step;
    position: relative;
    padding: 16px 0 16px 56px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.steps li:last-child {
    border-bottom: none;
}

.steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #2b87e8);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
}

.steps li strong {
    color: var(--text);
}

.mt-24 {
    margin-top: 24px;
}

/* === Contacts === */
.section-contacts {
    background: var(--bg-2);
}

.contacts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.contact-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.contact-card:hover {
    transform: translateY(-3px);
    border-color: rgba(78, 168, 255, 0.5);
    background: linear-gradient(135deg, var(--surface), #1a2d52);
}

.contact-card-alt {
    border-color: rgba(255, 107, 107, 0.4);
}

.contact-card-info {
    border-color: rgba(130, 196, 255, 0.3);
    cursor: default;
}

.contact-card-info:hover {
    transform: none;
    background: var(--surface);
}

.contact-big {
    font-size: clamp(1.6rem, 2.5vw, 2rem);
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.01em;
    margin-bottom: 10px;
}

.contact-card-alt .contact-big {
    color: var(--warn);
}

.contact-card-info .contact-big {
    color: var(--accent-2);
}

.contact-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.contact-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.disclaimer {
    background: rgba(255, 107, 107, 0.08);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: var(--radius);
    padding: 20px 24px;
    font-size: 0.95rem;
    color: var(--text);
    text-align: center;
}

.disclaimer strong {
    color: var(--warn);
}

/* === Ribbon section === */
.ribbon-section {
    padding: 80px 0;
    background: var(--bg);
}

.ribbon-inner {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 56px;
    align-items: center;
}

.ribbon-img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

/* === Footer === */
.footer {
    background: #060e1c;
    border-top: 1px solid var(--border);
    padding: 56px 0 32px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 380px;
}

.footer-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 12px;
    font-weight: 600;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    padding: 4px 0;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* === Responsive === */
@media (max-width: 960px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .signs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .two-col, .two-col-reverse, .ribbon-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .two-col-reverse .col-image {
        order: 0;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    .nav {
        gap: 18px;
    }
    .nav a {
        font-size: 0.85rem;
    }
    .section {
        padding: 70px 0;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .signs-grid, .contacts-grid {
        grid-template-columns: 1fr;
    }
    .hero {
        min-height: 80vh;
    }
    .hero-content {
        padding: 60px 24px;
    }
}