:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-alt: #eef3ff;
  --text: #172033;
  --text-muted: #5f6a83;
  --line: #d8deec;
  --primary: #1d4ed8;
  --primary-strong: #1e40af;
  --accent: #0891b2;
  --ok: #0f766e;
  --danger: #be123c;
  --shadow-sm: 0 2px 10px rgba(17, 24, 39, 0.06);
  --shadow-md: 0 10px 28px rgba(17, 24, 39, 0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --max-width: 1120px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 10% -10%, #dbeafe 0%, transparent 55%),
    radial-gradient(900px 600px at 100% 0%, #cffafe 0%, transparent 45%),
    var(--bg);
  line-height: 1.55;
  font-size: 16px;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

.container {
  width: min(var(--max-width), 92vw);
  margin-inline: auto;
}

.section {
  padding-block: var(--space-8);
}

.section-sm {
  padding-block: var(--space-7);
}

.section-title {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.5rem, 2.2vw, 2.2rem);
  line-height: 1.2;
}

.section-lead {
  margin: 0;
  color: var(--text-muted);
  max-width: 62ch;
}

.grid {
  display: grid;
  gap: var(--space-5);
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.72rem 1.2rem;
  font-weight: 600;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 3px solid rgba(8, 145, 178, 0.35);
  outline-offset: 2px;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  box-shadow: var(--shadow-md);
}

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

/* Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(245, 247, 251, 0.85);
  border-bottom: 1px solid rgba(216, 222, 236, 0.8);
}

.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-muted);
}

.nav-links a {
  padding: var(--space-2) var(--space-1);
  border-radius: var(--radius-sm);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  background: rgba(219, 234, 254, 0.45);
}

/* Hero */
.hero {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: var(--space-6);
}

.hero-title {
  margin: 0 0 var(--space-4);
  font-size: clamp(2rem, 5vw, 3.7rem);
  line-height: 1.05;
}

.hero-subtitle {
  margin: 0 0 var(--space-5);
  color: var(--text-muted);
  max-width: 56ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-panel {
  background: linear-gradient(170deg, #f8fbff, #eef6ff);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.card-title {
  margin: 0 0 var(--space-2);
  font-size: 1.2rem;
  line-height: 1.3;
}

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

.card-list {
  margin: var(--space-4) 0 0;
  padding: 0 0 0 1rem;
  color: var(--text-muted);
}

/* Pricing */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.pricing .card {
  position: relative;
}

.pricing .featured {
  border-color: #a5b4fc;
  box-shadow: 0 12px 30px rgba(29, 78, 216, 0.16);
  transform: translateY(-4px);
}

.badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  background: #dbeafe;
  color: #1e3a8a;
}

.price {
  margin: var(--space-3) 0;
  font-size: 2rem;
  line-height: 1;
  font-weight: 700;
}

.price-note {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Forms */
.form {
  display: grid;
  gap: var(--space-4);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.field {
  display: grid;
  gap: var(--space-2);
}

.label {
  font-size: 0.93rem;
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 0.68rem 0.8rem;
  font: inherit;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #9aa5bf;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(29, 78, 216, 0.25);
  border-color: #93c5fd;
}

.help-text {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.form-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.88rem;
}


.booking-panel {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(231, 239, 255, 0.6));
}

.form-helper,
.form-helper-text {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.form-status {
  margin: 0;
  padding: 0.62rem 0.78rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.4;
}

.form-status-success {
  color: #14532d;
  background: #dcfce7;
  border-color: #86efac;
}

.form-status-error {
  color: #7f1d1d;
  background: #fee2e2;
  border-color: #fca5a5;
}

.form-status-loading {
  color: #1e3a8a;
  background: #dbeafe;
  border-color: #93c5fd;
}

/* Free-first / Service catalog / Contact */
.free-first {
  display: grid;
  gap: var(--space-5);
}

.free-first-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-5);
  align-items: start;
}

.free-first-points {
  margin: 0;
  padding: 0 0 0 1.1rem;
  color: var(--text-muted);
  display: grid;
  gap: var(--space-2);
}

.free-first-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.service-catalog {
  display: grid;
  gap: var(--space-5);
}

.service-catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.service-card {
  height: 100%;
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.service-meta {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.service-cta {
  margin-top: auto;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.contact-card {
  display: grid;
  gap: var(--space-4);
}

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.contact-item {
  display: grid;
  gap: var(--space-1);
}

.contact-item-label {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.contact-item-value {
  color: var(--text);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Footer */
.site-footer {
  margin-top: var(--space-8);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.65), rgba(231, 239, 255, 0.5));
}

.footer-grid {
  padding-block: var(--space-6);
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 2fr 1fr 1fr;
}

.footer-links {
  display: grid;
  gap: var(--space-2);
  color: var(--text-muted);
}

.footer-bottom {
  padding-block: var(--space-4);
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Utilities */
.muted {
  color: var(--text-muted);
}

.center {
  text-align: center;
}

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

.surface-alt {
  background: var(--surface-alt);
}

.rounded {
  border-radius: var(--radius-md);
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .pricing,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .free-first-grid,
  .service-catalog-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-links {
    gap: var(--space-3);
  }
}

@media (max-width: 720px) {
  .section,
  .section-sm {
    padding-block: var(--space-7);
  }

  .nav {
    min-height: 62px;
  }

  .nav-links {
    font-size: 0.95rem;
    overflow-x: auto;
    padding-bottom: var(--space-1);
  }

  .grid-2,
  .grid-3,
  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: clamp(1.8rem, 9vw, 2.4rem);
  }

  .hero-panel,
  .card {
    padding: var(--space-4);
  }

  .booking-panel {
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .form-status {
    font-size: 0.88rem;
  }

  .free-first-cta .btn,
  .contact-actions .btn {
    width: 100%;
  }
}