:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #142236;
  --muted: #4a5b73;
  --line: #d9e0ea;
  --primary: #0d6a73;
  --primary-strong: #094e55;
  --shadow: 0 16px 40px rgba(13, 106, 115, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% 0%, #e5f7f9 0%, #f5f7fb 45%, #f5f7fb 100%);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(245, 247, 251, 0.9);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 20px;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  padding: 8px 12px;
  font: inherit;
}

.hero {
  padding: 72px 0 56px;
}

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

.kicker {
  display: inline-block;
  margin: 0 0 10px;
  padding: 6px 12px;
  border-radius: 999px;
  background: #d9f0f2;
  color: var(--primary-strong);
  font-weight: 700;
  font-size: 0.85rem;
}

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

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 14px;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.lead {
  color: var(--muted);
  margin-bottom: 24px;
  max-width: 65ch;
}

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

.btn {
  text-decoration: none;
  border-radius: 12px;
  padding: 11px 18px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  font: inherit;
}

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

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

.btn-secondary {
  color: var(--text);
  border-color: var(--line);
  background: var(--surface);
}

.hero-card {
  background: var(--surface);
  padding: 24px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  border: 1px solid #d9ecf0;
}

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

.section {
  padding: 70px 0;
}

.section-muted {
  background: linear-gradient(180deg, #f2f7fb 0%, #edf4fa 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 28px;
}

.note {
  background: #e9f3f6;
  border: 1px solid #c8dce2;
  border-radius: 14px;
  padding: 20px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

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

.steps {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}

.step span {
  color: var(--primary);
  font-weight: 800;
  font-size: 0.85rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
}

.contact-list li {
  margin-bottom: 10px;
}

.contact-list a {
  color: var(--primary-strong);
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.contact-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 12px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  font: inherit;
}

#form-status {
  min-height: 1.3em;
  margin: 10px 0 0;
  color: var(--primary-strong);
  font-weight: 600;
}

.site-footer {
  padding: 26px 0;
  background: #102031;
  color: #dce8f5;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid,
  .split,
  .cards,
  .steps,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 14px 4vw;
  }

  .nav.open {
    display: flex;
  }
}