:root {
    --bg: #020617;
    --panel: rgba(15, 23, 42, 0.82);
    --panel-soft: rgba(255, 255, 255, 0.04);
    --line: rgba(255, 255, 255, 0.1);
    --text: #e5eefb;
    --muted: #94a3b8;
    --headline: #ffffff;
    --accent: #7dd3fc;
    --accent-strong: #38bdf8;
    --ok-bg: rgba(34, 197, 94, 0.12);
    --ok-line: rgba(34, 197, 94, 0.35);
    --ok-text: #bbf7d0;
    --error-bg: rgba(239, 68, 68, 0.12);
    --error-line: rgba(239, 68, 68, 0.35);
    --error-text: #fecaca;
    --radius: 24px;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
    --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top right, rgba(56, 189, 248, 0.18), transparent 24%),
        radial-gradient(circle at 20% 12%, rgba(14, 165, 233, 0.10), transparent 20%),
        var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.section { padding: 88px 0; }
.eyebrow {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(125, 211, 252, 0.22);
    background: rgba(125, 211, 252, 0.08);
    color: #d7f2ff;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
}
.section-label {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 13px;
    font-weight: 700;
}
.lead {
    font-size: 18px;
    color: var(--muted);
    max-width: 760px;
}
.title {
    margin: 18px 0 0;
    font-size: clamp(34px, 6vw, 64px);
    line-height: 1.04;
    font-weight: 700;
    color: var(--headline);
    max-width: 900px;
}
.subtitle {
    margin-top: 22px;
    font-size: 20px;
    color: var(--muted);
    max-width: 760px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
    background: rgba(2, 6, 23, 0.8);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 18px 0;
}
.brand-title {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: #fff;
}
.brand-subtitle {
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
}
.nav {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}
.nav a {
    color: #cbd5e1;
    font-size: 14px;
}
.nav a:hover { color: white; }
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
}
.lang-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #cbd5e1;
}
.lang-link.active {
    background: #ffffff;
    color: #0f172a;
}

.hero-grid,
.contact-grid,
.about-grid,
.value-grid {
    display: grid;
    gap: 28px;
}
.hero-grid { grid-template-columns: 1.15fr 0.85fr; align-items: center; }
.about-grid { grid-template-columns: 0.9fr 1.1fr; }
.contact-grid { grid-template-columns: 0.88fr 1.12fr; }
.value-grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; }

.card,
.soft-card,
.glass-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.card {
    background: var(--panel);
    box-shadow: var(--shadow);
}
.soft-card {
    background: var(--panel-soft);
}
.glass-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.03));
    box-shadow: var(--shadow);
}
.card-body { padding: 32px; }

.hero-points,
.service-grid,
.mini-grid,
.approach-grid,
.about-cards,
.reason-grid {
    display: grid;
    gap: 18px;
}
.hero-points { grid-template-columns: repeat(3, 1fr); margin-top: 38px; }
.service-grid { grid-template-columns: repeat(2, 1fr); margin-top: 42px; }
.mini-grid { grid-template-columns: repeat(3, 1fr); }
.about-cards,
.reason-grid { grid-template-columns: repeat(2, 1fr); }
.approach-grid { grid-template-columns: repeat(5, 1fr); margin-top: 40px; }

.point-title,
.service-title,
.about-title,
.reason-title,
.step-title {
    color: #fff;
    font-weight: 700;
}
.point-text,
.service-text,
.about-text,
.reason-text,
.step-text,
.list li,
.contact-value,
.form-note {
    color: var(--muted);
}
.service-title { font-size: 28px; margin: 0 0 14px; }
.service-text { margin: 0; }
.list {
    list-style: none;
    padding: 0;
    margin: 22px 0 0;
}
.list li {
    position: relative;
    padding-left: 18px;
    margin-top: 10px;
}
.list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    padding: 14px 22px;
    font-weight: 600;
    font-size: 15px;
    transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
    cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
    background: white;
    color: #0f172a;
}
.btn-secondary {
    border: 1px solid var(--line);
    color: white;
    background: transparent;
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.04); }

.metric-card,
.info-card,
.step-card,
.reason-card {
    padding: 24px;
}
.info-card .label,
.contact-label,
.step-number {
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.contact-value {
    margin-top: 8px;
    color: #fff;
    font-size: 16px;
    word-break: break-word;
}
.form-shell { padding: 34px; }
.form-title {
    color: white;
    font-size: 28px;
    font-weight: 700;
    margin: 0;
}
.form-note { margin: 12px 0 0; }
.field { margin-top: 18px; }
.field label {
    display: block;
    margin-bottom: 8px;
    color: #dbe5f2;
    font-size: 14px;
}
.field input,
.field textarea {
    width: 100%;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(2, 6, 23, 0.94);
    color: white;
    padding: 14px 16px;
    font: inherit;
    outline: none;
}
.field input:focus,
.field textarea:focus {
    border-color: var(--accent-strong);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
}
.hidden-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}
.status {
    margin: 0 0 18px;
    border-radius: 18px;
    padding: 14px 16px;
    font-size: 15px;
    border: 1px solid transparent;
}
.status-success {
    background: var(--ok-bg);
    border-color: var(--ok-line);
    color: var(--ok-text);
}
.status-error {
    background: var(--error-bg);
    border-color: var(--error-line);
    color: var(--error-text);
}
.footer {
    border-top: 1px solid var(--line);
    padding: 28px 0 38px;
    color: var(--muted);
    font-size: 14px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.section-block { margin-top: 28px; }
.section-block h2 { color: #fff; font-size: 22px; margin: 0 0 10px; }
.section-block p { color: var(--muted); margin: 0; }

@media (max-width: 1080px) {
    .hero-grid,
    .about-grid,
    .contact-grid,
    .value-grid,
    .service-grid,
    .about-cards,
    .reason-grid,
    .approach-grid,
    .hero-points {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .section { padding: 72px 0; }
    .header-inner { align-items: flex-start; flex-direction: column; }
    .nav { gap: 16px; }
    .header-actions { width: 100%; align-items: flex-start; flex-direction: column; }
    .card-body,
    .form-shell,
    .metric-card,
    .info-card,
    .step-card,
    .reason-card { padding: 24px; }
    .mini-grid { grid-template-columns: 1fr; }
}