:root {
  --clr-bg: #f7f4ee;
  --clr-surface: #ffffff;
  --clr-muted: #e9e3d8;
  --clr-ink: #1c2431;
  --clr-subtle: #556074;
  --clr-primary: #0f7b69;
  --clr-primary-dark: #0b5f51;
  --clr-accent: #d39a3a;
  --clr-accent-soft: #f4e4c6;
  --clr-deep: #121a2a;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 8px 20px rgba(16, 21, 33, 0.08);
  --shadow-md: 0 16px 40px rgba(16, 21, 33, 0.12);
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --max-width: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--clr-ink);
  background: var(--clr-bg);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

a {
  color: var(--clr-primary);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--clr-primary);
  color: #fff;
  padding: var(--space-2) var(--space-3);
  z-index: 2000;
}

.skip-link:focus {
  left: 0;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e6ebef;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--clr-deep);
  font-weight: 700;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 0;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--clr-ink);
  font-weight: 600;
}

.site-nav a[aria-current="page"] {
  color: var(--clr-primary);
}

.menu-toggle {
  display: none;
  border: 0;
  background: var(--clr-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
}

main section {
  padding: var(--space-7) 0;
}

.hero {
  background: linear-gradient(120deg, #fff, #f2f0eb 45%, #e9f3f1);
}

.hero-grid,
.split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  align-items: center;
}

.eyebrow {
  color: var(--clr-primary-dark);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  font-weight: 700;
}

h1,
h2,
h3 {
  line-height: 1.2;
  color: var(--clr-deep);
}

h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  margin: 0.2rem 0 var(--space-3);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-top: 0;
}

.lead {
  font-size: 1.1rem;
  color: var(--clr-subtle);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.85rem 1.35rem;
  font-weight: 700;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

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

.btn-secondary {
  background: var(--clr-accent);
  color: #1f1f1f;
}

.btn-ghost {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: transparent;
}

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

.card {
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.card h3 {
  margin-top: 0;
}

.accent {
  background: var(--clr-deep);
  color: #eff3f9;
}

.accent h2,
.accent h3 {
  color: #fff;
}

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

.stat {
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat strong {
  display: block;
  font-size: 2rem;
  color: var(--clr-primary-dark);
}

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

.timeline article {
  background: var(--clr-surface);
  border-left: 6px solid var(--clr-accent);
  padding: var(--space-4);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-sm);
}

.faq details {
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-sm);
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.cta-band {
  background: linear-gradient(130deg, #0f7b69, #0f5267);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.cta-band h2 {
  color: #fff;
}

.form-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
}

form {
  display: grid;
  gap: var(--space-3);
}

label {
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cfd8e2;
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.9rem;
  font: inherit;
  background: #fff;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #90d5c9;
  outline-offset: 2px;
}

.error {
  color: #a52323;
  font-size: 0.9rem;
  min-height: 1.2rem;
}

.field.invalid input,
.field.invalid select,
.field.invalid textarea {
  border-color: #be2727;
}

.field-success {
  display: none;
  color: #0b5f51;
  background: #daf2ea;
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}

.field-success.active {
  display: block;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.checkbox-row input {
  width: auto;
  margin-top: 0.2rem;
}

.site-footer {
  background: #121a2a;
  color: #d6deea;
  padding: var(--space-7) 0 var(--space-4);
  margin-top: var(--space-7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-4);
}

.site-footer a {
  color: #d6deea;
}

.site-footer h2,
.site-footer h3 {
  color: #f4e4c6;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.socials {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.socials a {
  border: 1px solid #6b768a;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
}

.legal {
  border-top: 1px solid #2a3448;
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .hero-grid,
  .split-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e6ebef;
    display: none;
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav li a {
    display: block;
    padding: 0.9rem 1rem;
    border-top: 1px solid #eef2f7;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr;
  }
}