:root {
  --bg: #f6f9fc;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #5b6472;
  --primary: #3b82f6;
  --primary-hover: #2f6fd6;
  --border: #e5eaf2;
  --shadow: 0 12px 30px rgba(31, 41, 55, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
  line-height: 1.55;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
}

.logo span {
  color: var(--primary);
}

.main-nav {
  display: flex;
  gap: 18px;
}

.main-nav a,
.phone-link,
.site-footer a {
  color: var(--text);
  text-decoration: none;
}

.main-nav a:hover,
.phone-link:hover,
.site-footer a:hover {
  color: var(--primary);
}

.phone-link {
  font-weight: 600;
  white-space: nowrap;
}

.hero {
  padding: 72px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
}

.label {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 12px;
  background: #eaf2ff;
  color: #2053a3;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(1.9rem, 3vw, 2.9rem);
}

.subtitle {
  max-width: 640px;
  color: var(--muted);
  margin: 0 0 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: 0.2s ease;
}

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

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

.btn-secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: #b9c7dd;
}

.btn-full {
  width: 100%;
}

.hero-benefits {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
}

.hero-benefits li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.9rem;
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.hero-card p {
  color: var(--muted);
}

.quick-form {
  display: grid;
  gap: 10px;
}

.quick-form label {
  font-size: 0.9rem;
  font-weight: 500;
}

.quick-form input {
  width: 100%;
  border: 1px solid #d5deea;
  border-radius: 10px;
  padding: 11px 12px;
  font: inherit;
}

.quick-form input:focus {
  outline: 2px solid #dce8ff;
  border-color: #9ab8ed;
}

section {
  padding: 44px 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.card > img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  margin-bottom: 14px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

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

.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid #edf1f7;
}

thead th {
  background: #f8fbff;
  font-weight: 600;
}

tbody tr:last-child td {
  border-bottom: none;
}

.note {
  color: var(--muted);
  margin-top: 10px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
  align-items: start;
}

.about-aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.about-photo {
  margin: 0;
}

.about-photo img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--border);
}

.about-points {
  margin: 0;
  padding: 18px 18px 18px 34px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.about-points li {
  margin-bottom: 10px;
}

.site-footer {
  margin-top: 24px;
  background: #f0f5fc;
  border-top: 1px solid var(--border);
  padding: 34px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
}

.site-footer p {
  margin: 8px 0;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(16, 24, 40, 0.5);
  z-index: 100;
}

.modal-backdrop.is-open {
  display: flex;
}

.modal-window {
  width: min(420px, 100%);
  background: var(--surface);
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 20px;
  text-align: center;
}

.modal-window h3 {
  margin-bottom: 10px;
}

.modal-window p {
  color: var(--muted);
  margin: 0 0 16px;
}

@media (max-width: 900px) {
  .header-inner {
    min-height: auto;
    padding: 12px 0;
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    border-top: 1px solid var(--border);
    padding-top: 10px;
  }

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

  .hero {
    padding-top: 40px;
  }
}

@media (max-width: 560px) {
  .main-nav {
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  th,
  td {
    padding: 12px 10px;
  }
}