/* Base */
:root {
    --bg: #0b1320;
    --bg-2: #0f172a;
    --muted: #111827;
    --text: #e5e7eb;
    --text-2: #cbd5e1;
    --brand: #00b7a8;
    --brand-2: #00d1c0;
    --card: #111827;
    --card-2: #0f172a;
    --accent: #172554;
    --danger: #ef4444;
    --shadow: 0 10px 30px rgba(0,0,0,.35);
    --radius: 14px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: radial-gradient(1200px 600px at 80% -10%, rgba(0,183,168,.15), transparent 60%), var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(11,19,32,.7);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
    display: inline-grid;
    place-items: center;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #041017;
    font-weight: 800;
}
.brand-name { font-weight: 600; letter-spacing: .2px; }
.nav { display: flex; gap: 18px; }
.nav a {
    color: var(--text-2);
    text-decoration: none;
    font-weight: 500;
    transition: color .2s ease;
}
.nav a:hover { color: var(--text); }

/* Hero */
.hero { padding: 72px 0 36px; position: relative; }
.hero-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.hero-copy h1 { margin: 0 0 12px; font-size: clamp(28px, 4vw, 44px); line-height: 1.15; }
.hero-copy p { margin: 0 0 22px; color: var(--text-2); font-size: 18px; }
.hero-cta { display: flex; gap: 12px; }
.hero-visual { position: relative; min-height: 280px; }
.orb {
    position: absolute; inset: 10% 10% 10% 10%;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(0,209,192,.6), rgba(0,183,168,.2) 40%, transparent 60%);
    filter: blur(8px);
}
.mesh {
    position: absolute; inset: 0;
    background: conic-gradient(from 120deg at 50% 50%, rgba(0,183,168,.22), transparent 30%, rgba(0,183,168,.15));
    mix-blend-mode: screen;
    border-radius: 50%;
}

/* Sections */
.section { padding: 56px 0; }
.section-muted { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)); }
.section-contrast { background: linear-gradient(180deg, rgba(0,215,200,.06), rgba(0,215,200,0)); }
.section-title { margin: 0 0 6px; font-size: clamp(22px, 3vw, 32px); }
.section-subtitle { margin: 0 0 24px; color: var(--text-2); }

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.card {
    background: linear-gradient(180deg, var(--card), var(--card-2));
    border: 1px solid rgba(255,255,255,.06);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(0,183,168,.35); }
.card header { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.card h3 { margin: 0; font-size: 20px; }
.price { margin: 0; color: var(--text-2); }
.price span { font-size: 28px; font-weight: 700; color: var(--text); }
.features { margin: 14px 0 20px; padding: 0 0 0 18px; color: var(--text-2); }
.badge {
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #031215;
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .6px;
}
.card-accent { border-color: rgba(0,183,168,.35); box-shadow: 0 20px 50px rgba(0,183,168,.12); }

/* Benefits */
.benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.benefit { background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 18px; }
.benefit .icon { font-size: 22px; margin-bottom: 8px; }
.benefit h4 { margin: 0 0 6px; }
.benefit p { margin: 0; color: var(--text-2); }

/* Regions */
.regions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.region { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06); border-radius: 10px; padding: 12px 14px; color: var(--text-2); }

/* Contacts */
.contacts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.contact-item { background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 16px; }
.contact-label { color: var(--text-2); font-size: 14px; margin-bottom: 6px; }
.contact-value { color: var(--text); text-decoration: none; font-weight: 600; }
.contact-value:hover { color: var(--brand-2); }

/* Requisites */
.requisites { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.req-item { background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 16px; }
.req-label { color: var(--text-2); font-size: 14px; margin-bottom: 6px; }
.req-value a { color: var(--text); text-decoration: none; font-weight: 600; }
.req-value a:hover { color: var(--brand-2); }

/* Form */
.form-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 22px; align-items: start; }
.form { background: linear-gradient(180deg, var(--card), var(--card-2)); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.field { display: grid; gap: 6px; }
.field span { color: var(--text-2); font-size: 14px; }
.field input, .field select {
    appearance: none;
    width: 100%;
    padding: 12px 12px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,.12);
    background: #0b1220;
    color: var(--text);
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field select:focus { border-color: rgba(0,183,168,.5); box-shadow: 0 0 0 4px rgba(0,183,168,.12); }
.checkbox { display: flex; align-items: center; gap: 10px; grid-column: span 2; color: var(--text-2); }
.form-actions { display: flex; align-items: center; gap: 14px; margin-top: 8px; }
.form-hint { color: var(--text-2); font-size: 12px; }
.form-message { margin-top: 10px; font-weight: 600; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.02);
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: transform .15s ease, border-color .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,.2); }
.btn:active { transform: translateY(0); }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #031215; border-color: transparent; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; }
.btn-secondary { background: rgba(255,255,255,.04); }

/* Footer */
.site-footer { border-top: 1px solid rgba(255,255,255,.06); margin-top: 40px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; color: var(--text-2); }

/* Responsive */
@media (max-width: 960px) {
    .hero-inner { grid-template-columns: 1fr; }
    .form-wrap { grid-template-columns: 1fr; }
    .benefits { grid-template-columns: repeat(2, 1fr); }
    .regions { grid-template-columns: repeat(2, 1fr); }
    .cards { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
    .nav { display: none; }
    .form-grid { grid-template-columns: 1fr; }
}