:root {
  --ink: #14202b;
  --ink-soft: #41525f;
  --navy: #0b1f2a;
  --teal: #17b890;
  --teal-dark: #0b6b53;
  --cream: #fbf8f3;
  --line: #e3ddd2;
  --white: #ffffff;
  --radius: 14px;
  --max: 1080px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--teal-dark); }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */
.site-header {
  background: var(--navy);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 1.05rem;
}

.logo .mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--teal), #7ce0c3);
  color: #06231b;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 800;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.95rem;
}

.nav a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

.nav a:hover { color: var(--white); }

.nav .btn-nav {
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--white);
}

/* ---------- hero ---------- */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 84px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23, 184, 144, 0.28), transparent 65%);
}

.hero .wrap { position: relative; z-index: 1; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--teal);
  margin: 0 0 18px;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.hero p.lead {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 58ch;
  margin: 0 0 32px;
}

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

.btn {
  display: inline-block;
  background: var(--teal);
  color: #06231b;
  font-weight: 700;
  text-decoration: none;
  padding: 13px 26px;
  border-radius: 999px;
  border: 0;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease;
}

.btn:hover { background: #7ce0c3; transform: translateY(-1px); }

.btn.ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn.ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }

/* ---------- sections ---------- */
section { padding: 72px 0; }

.section-head { max-width: 62ch; margin-bottom: 40px; }

.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.2vw, 2.35rem);
  line-height: 1.18;
  margin: 0 0 12px;
  letter-spacing: -0.015em;
}

.section-head p { color: var(--ink-soft); margin: 0; }

.band-cream { background: var(--cream); }
.band-white { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band-navy { background: var(--navy); color: var(--white); }
.band-navy .section-head p { color: rgba(255, 255, 255, 0.72); }

/* ---------- cards ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover { box-shadow: 0 12px 30px rgba(20, 32, 43, 0.09); transform: translateY(-2px); }

.card .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-dark);
  background: rgba(23, 184, 144, 0.12);
  padding: 5px 10px;
  border-radius: 999px;
  margin-bottom: 16px;
  align-self: flex-start;
}

.card h3 {
  font-size: 1.2rem;
  line-height: 1.3;
  margin: 0 0 12px;
}

.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--teal-dark); }

.card p { color: var(--ink-soft); margin: 0 0 18px; font-size: 0.97rem; }

.card .more {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--teal-dark);
}

/* ---------- steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  counter-reset: step;
}

.step { border-top: 2px solid var(--teal); padding-top: 18px; }

.step .num {
  font-family: var(--serif);
  font-size: 1.9rem;
  color: var(--teal);
  display: block;
  margin-bottom: 6px;
}

.step h3 { font-size: 1.05rem; margin: 0 0 8px; }
.step p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.band-navy .step p { color: rgba(255, 255, 255, 0.72); }
.band-navy .step { border-top-color: var(--teal); }

/* ---------- article ---------- */
.article-head {
  background: var(--navy);
  color: var(--white);
  padding: 64px 0 56px;
}

.article-head .wrap { max-width: 760px; }

.article-head h1 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  line-height: 1.14;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.article-meta {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.92rem;
  margin: 0;
}

.article-body { max-width: 760px; margin: 0 auto; padding: 56px 24px 72px; }

.article-body p, .article-body li { font-size: 1.05rem; color: #22303c; }

.article-body h2 {
  font-family: var(--serif);
  font-size: 1.65rem;
  line-height: 1.22;
  margin: 44px 0 14px;
  letter-spacing: -0.015em;
}

.article-body h3 { font-size: 1.16rem; margin: 30px 0 10px; }

.article-body ul, .article-body ol { padding-left: 22px; }
.article-body li { margin-bottom: 9px; }

.article-body a { color: var(--teal-dark); }

.callout {
  background: var(--white);
  border-left: 4px solid var(--teal);
  border-radius: 0 10px 10px 0;
  padding: 20px 24px;
  margin: 28px 0;
  box-shadow: 0 4px 16px rgba(20, 32, 43, 0.05);
}

.callout p { margin: 0; font-size: 1rem; }
.callout strong { color: var(--ink); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  background: var(--white);
  font-size: 0.97rem;
}

th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
th { background: rgba(23, 184, 144, 0.1); font-size: 0.86rem; text-transform: uppercase; letter-spacing: 0.06em; }

.article-cta {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 34px;
  margin-top: 56px;
}

.article-cta h2 { margin-top: 0; color: var(--white); font-size: 1.4rem; }
.article-cta p { color: rgba(255, 255, 255, 0.76); }

/* ---------- form ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }

label { font-size: 0.9rem; font-weight: 600; }

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
  width: 100%;
}

input:focus, textarea:focus {
  outline: 2px solid rgba(23, 184, 144, 0.45);
  outline-offset: 1px;
  border-color: var(--teal);
}

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

form button { margin-top: 6px; justify-self: start; }

.form-note { font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- footer ---------- */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 40px;
  font-size: 0.93rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
}

.site-footer h4 {
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.site-footer a { color: rgba(255, 255, 255, 0.78); text-decoration: none; display: block; margin-bottom: 9px; }
.site-footer a:hover { color: var(--teal); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 36px;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
}

/* contrast fixes: body link colour must not override button text */
.article-body a.btn,
.article-cta a.btn,
.card a.btn {
  color: #06231b;
  text-decoration: none;
}

.card .tag { color: #0b6b53; background: #dff3ec; }

@media (max-width: 720px) {
  .nav { gap: 16px; font-size: 0.88rem; }
  .nav a:not(.btn-nav) { display: none; }
  .hero { padding: 60px 0 68px; }
  section { padding: 52px 0; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .article-body { padding-top: 40px; }
}