:root {
  --ink: #0d1f2d;
  --muted: #5d6b76;
  --pale: #eef6f5;
  --line: #d8e5e3;
  --accent: #0f766e;
  --accent-dark: #0b4f4a;
  --white: #ffffff;
  --dark: #071b23;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 76px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 1.35rem;
}

.logo span {
  color: var(--accent);
  margin-left: 4px;
}

nav {
  display: flex;
  gap: 24px;
  font-size: 0.95rem;
  color: var(--muted);
}

.hero {
  padding: 96px 0;
  background:
    radial-gradient(circle at 85% 10%, rgba(15, 118, 110, 0.22), transparent 32%),
    linear-gradient(135deg, #f8fbfb 0%, #eef6f5 100%);
}

.hero-grid,
.split,
.contact {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 5rem);
  max-width: 850px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

h3 {
  font-size: 1.35rem;
}

.lead {
  font-size: 1.22rem;
  color: var(--muted);
  max-width: 720px;
  margin: 24px 0 0;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
}

.primary {
  background: var(--accent);
  color: var(--white);
}

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

.secondary {
  border-color: var(--line);
  background: var(--white);
}

.hero-card,
.card,
.service,
.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 24px 70px rgba(7, 27, 35, 0.08);
}

.hero-card ul,
.service ul {
  padding-left: 18px;
  color: var(--muted);
}

.section {
  padding: 88px 0;
}

.pale {
  background: var(--pale);
}

.cards,
.service-grid {
  display: grid;
  gap: 22px;
  margin-top: 32px;
}

.cards {
  grid-template-columns: repeat(3, 1fr);
}

.service-grid {
  grid-template-columns: 1.25fr 1fr;
}

.card p,
.service p,
.split p,
.contact p {
  color: var(--muted);
}

.service.featured {
  grid-row: span 3;
}

.tag {
  display: inline-block;
  background: var(--pale);
  color: var(--accent-dark);
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  margin-bottom: 18px;
}

.price {
  font-weight: 800;
  color: var(--accent) !important;
  font-size: 1.1rem;
}

.dark {
  background: var(--dark);
  color: var(--white);
}

.dark .eyebrow {
  color: #70d6ca;
}

.dark .steps p {
  color: #c5d6d3;
}

.steps {
  display: grid;
  gap: 20px;
}

.steps div {
  border-top: 1px solid rgba(255,255,255,0.18);
  padding-top: 18px;
}

.steps span {
  color: #70d6ca;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.contact-form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
}

textarea {
  resize: vertical;
}

.footer {
  padding: 28px 0;
  background: var(--ink);
  color: var(--white);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #c5d6d3;
  font-size: 0.92rem;
}

@media (max-width: 840px) {
  nav {
    display: none;
  }

  .hero-grid,
  .split,
  .contact,
  .cards,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .hero {
    padding: 64px 0;
  }

  .footer-grid {
    flex-direction: column;
  }
}

.hidden { display: none; }