/* ============================================================
   AdaptivAcademy — Design tokens
   Palette source: Financial Times website scheme
   (schemecolor.com/financial-times-web-site.php)
   ============================================================ */

:root {
  --cream-1: #fff9f5; /* Bridal Heath — page background */
  --cream-2: #fff1e0; /* Winter Cream — alternate section background */
  --cream-3: #f2dfce; /* Ivory Linen — card fills, borders, tags */
  --teal: #0d7680;    /* Trendy Teal — accent, links, CTAs */
  --teal-deep: #0a2e32; /* derived deep shade — footer, headline ink */
  --ink: #17211f;      /* near-black, warm-toned body headings */
  --ink-soft: #55524b; /* secondary text on cream */
  --ink-on-teal: #fff9f5;
  --border: #e6d7c6;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1180px;
  --radius: 10px;
  --radius-sm: 6px;

  --shadow-card: 0 1px 2px rgba(23, 33, 31, 0.04), 0 8px 24px -12px rgba(23, 33, 31, 0.12);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream-1);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
p { margin: 0 0 1em; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Utility type ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}
.section-lead {
  max-width: 640px;
  margin: 0 0 48px;
}
.section-lead h2 { font-size: clamp(28px, 3.2vw, 38px); }
.section-lead p { font-size: 18px; }

section { padding: 88px 0; }
.bg-alt { background: var(--cream-2); }
.bg-teal {
  background: var(--teal);
  color: var(--cream-1);
}
.bg-teal .eyebrow { color: var(--cream-2); }
.bg-teal h2, .bg-teal h3 { color: var(--cream-1); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--teal);
  color: var(--cream-1);
}
.btn-primary:hover { background: var(--teal-deep); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn-on-teal {
  background: var(--cream-1);
  color: var(--teal-deep);
}
.btn-on-teal:hover { background: var(--cream-2); }
.btn-arrow { font-size: 15px; transition: transform 0.15s ease; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 249, 245, 0.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.logo { display: flex; align-items: center; }
.logo svg { height: 26px; width: auto; display: block; }

.nav-primary {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1.5px;
  background: var(--teal);
  transition: right 0.2s ease;
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { right: 0; }
.nav-links a[aria-current="page"] { color: var(--teal); }

.nav-cta { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  display: block;
}

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 96px;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(36px, 4.6vw, 58px);
  margin-bottom: 22px;
}
.hero p.lede {
  font-size: 19px;
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-media {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 6 / 5;
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Page header (interior pages) ---------- */
.page-header {
  padding: 64px 0 56px;
  text-align: center;
}
.page-header .eyebrow { display: block; }
.page-header h1 { font-size: clamp(34px, 4.4vw, 48px); }
.page-header p {
  max-width: 620px;
  margin: 18px auto 0;
  font-size: 18.5px;
}

/* ---------- Stats band ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.stat .stat-number {
  font-family: var(--font-display);
  font-size: clamp(38px, 4.4vw, 54px);
  color: var(--cream-1);
  line-height: 1;
  margin-bottom: 14px;
}
.stat p { color: var(--cream-2); font-size: 15.5px; margin: 0; max-width: 260px; }

/* ---------- Pillars / feature rows ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.pillar-card {
  background: var(--cream-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.pillar-card figure { margin: 0; aspect-ratio: 4 / 3; overflow: hidden; }
.pillar-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.pillar-card:hover img { transform: scale(1.04); }
.pillar-body { padding: 28px 26px 30px; }
.pillar-body h3 { font-size: 21px; margin-bottom: 10px; }
.pillar-body p { font-size: 15.5px; margin: 0; }
.pillar-index {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--teal);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}

/* ---------- Recognition strip ---------- */
.recognition { padding: 56px 0; }
.recognition-strip {
  display: flex;
  align-items: center;
  gap: 30px;
  max-width: 600px;
  margin: 0 auto;
  background: var(--cream-1);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px 38px;
  box-shadow: var(--shadow-card);
}
.recognition-badge {
  flex: none;
  display: flex;
  align-items: center;
  padding-right: 30px;
  border-right: 1px solid var(--border);
}
.recognition-badge img { height: 40px; width: auto; display: block; }
.recognition-strip p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--ink);
  text-align: left;
}
.recognition-strip p strong { color: var(--teal-deep); }

/* ---------- Feature row (image + text alternating) ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 56px 0;
}
.feature-row + .feature-row { border-top: 1px solid var(--border); }
.feature-row.reverse .feature-media { order: 2; }
.feature-row.reverse .feature-text { order: 1; }
.feature-media {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 5 / 4;
  box-shadow: var(--shadow-card);
}
.feature-media img { width: 100%; height: 100%; object-fit: cover; }
.feature-text .tag {
  display: inline-block;
  background: var(--cream-3);
  color: var(--teal-deep);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.feature-text h3 { font-size: clamp(22px, 2.4vw, 28px); margin-bottom: 14px; }
.feature-text p { font-size: 16.5px; }

/* ---------- Offer cards (Consultancy "What we offer") ---------- */
.offer-list { display: flex; flex-direction: column; }
.offer-item {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
  padding: 52px 0;
}
.offer-item + .offer-item { border-top: 1px solid var(--border); }
.offer-item.reverse .offer-media { order: 2; }
.offer-media {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-card);
}
.offer-media img { width: 100%; height: 100%; object-fit: cover; }
.offer-num {
  font-family: var(--font-display);
  color: var(--teal);
  font-size: 14px;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: block;
}
.offer-text h3 { font-size: 23px; margin-bottom: 12px; }
.offer-text p { font-size: 16px; }

/* ---------- Two-column simple (mission/vision) ---------- */
.twocol {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.info-card {
  background: var(--cream-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 34px;
}
.info-card h3 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  font-family: var(--font-body);
  font-weight: 700;
  margin-bottom: 14px;
}
.info-card p { font-size: 17px; color: var(--ink); margin: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  border-radius: 22px;
  padding: 64px;
  text-align: center;
}
.cta-band h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 14px; }
.cta-band p { max-width: 520px; margin: 0 auto 30px; font-size: 17.5px; }

/* ---------- Open Source page extras ---------- */
.oss-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.oss-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  background: var(--cream-1);
}
.oss-card .icon {
  width: 40px; height: 40px;
  color: var(--teal);
  margin-bottom: 18px;
}
.oss-card h3 { font-size: 18px; margin-bottom: 8px; }
.oss-card p { font-size: 15px; margin: 0; }
.note-callout {
  background: var(--cream-3);
  border-radius: var(--radius);
  padding: 22px 26px;
  font-size: 15px;
  color: var(--teal-deep);
}

/* ---------- Contact form ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 72px;
  align-items: flex-start;
}
.contact-info h2 { font-size: clamp(28px, 3vw, 36px); }
.contact-info p { font-size: 17.5px; }
.contact-info .contact-detail {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.contact-detail dt {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 4px;
}
.contact-detail dd {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: 16px;
}

.form-card {
  background: var(--cream-1);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px;
  box-shadow: var(--shadow-card);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 20px; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
}
.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 15.5px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13, 118, 128, 0.12);
}
.field textarea { resize: vertical; min-height: 110px; }
.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-bottom: 24px;
}
.consent input { margin-top: 3px; }
.required-note { font-size: 12.5px; color: var(--ink-soft); margin-top: -6px; margin-bottom: 22px; }
.form-status {
  margin-top: 18px;
  font-size: 14.5px;
  color: var(--teal-deep);
  display: none;
}
.form-status.visible { display: block; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--teal-deep);
  color: var(--cream-2);
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}
.footer-brand .logo svg { height: 24px; }
.footer-brand p {
  margin-top: 16px;
  font-size: 14.5px;
  color: rgba(255, 241, 224, 0.72);
  max-width: 300px;
}
.footer-heading {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 241, 224, 0.55);
  margin-bottom: 18px;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  font-size: 14.5px;
  color: var(--cream-2);
  opacity: 0.88;
}
.footer-links a:hover { opacity: 1; color: var(--cream-1); text-decoration: underline; }
.social-row { display: flex; gap: 14px; }
.social-row a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 241, 224, 0.28);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.social-row a:hover { background: rgba(255, 241, 224, 0.12); border-color: rgba(255, 241, 224, 0.5); }
.social-row svg { width: 16px; height: 16px; fill: var(--cream-2); }
.footer-bottom {
  border-top: 1px solid rgba(255, 241, 224, 0.16);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 241, 224, 0.55);
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-media { order: -1; }
  .pillars { grid-template-columns: 1fr; }
  .feature-row, .feature-row.reverse { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; }
  .feature-row .feature-media, .feature-row.reverse .feature-media { order: -1; }
  .offer-item, .offer-item.reverse { grid-template-columns: 1fr; gap: 28px; }
  .offer-item .offer-media, .offer-item.reverse .offer-media { order: -1; }
  .twocol { grid-template-columns: 1fr; }
  .oss-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .recognition-strip { flex-direction: column; text-align: center; padding: 30px 28px; gap: 20px; }
  .recognition-badge { padding-right: 0; padding-bottom: 20px; border-right: none; border-bottom: 1px solid var(--border); }
  .recognition-strip p { max-width: none; text-align: center; }
}

@media (max-width: 760px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { gap: 10px; }
  section { padding: 64px 0; }
  .cta-band { padding: 44px 26px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 28px; }

  body.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 84px; left: 0; right: 0;
    background: var(--cream-1);
    padding: 20px 32px 28px;
    border-bottom: 1px solid var(--border);
    gap: 20px;
  }
}

@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .hero { padding: 48px 0 64px; }
}