/* =========================================================
   Heathrow Learning — K-12 Tutoring
   Design tokens
   ========================================================= */
:root {
  --color-bg: #F1F4F8;
  --color-bg-alt: #FFFFFF;
  --color-ink: #1E2A3B;
  --color-ink-soft: #4A5A6E;
  --color-navy: #1E3350;
  --color-navy-dark: #142235;
  --color-marigold: #E8A33D;
  --color-marigold-dark: #C7852A;
  --color-teal: #3F8F7F;
  --color-line: #D8DEE8;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1120px;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--color-navy);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.25rem, 4vw + 1rem, 3.5rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 2vw + 1rem, 2.25rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 1em; color: var(--color-ink-soft); }

a { color: var(--color-teal); text-decoration: none; }
a:hover { text-decoration: underline; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-marigold);
  outline-offset: 2px;
}

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

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

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 0.75em;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--color-navy);
}
.logo:hover { text-decoration: none; }
.logo span { color: var(--color-marigold); }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--color-ink);
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--color-teal); text-decoration: none; }
.main-nav a[aria-current="page"] { color: var(--color-teal); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-line);
  }
  .main-nav.open { display: block; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
  }
  .main-nav li { padding: 10px 0; border-bottom: 1px solid var(--color-line); }
  .main-nav li:last-child { border-bottom: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--color-marigold);
  color: var(--color-navy-dark);
}
.btn-primary:hover { background: var(--color-marigold-dark); box-shadow: 0 6px 18px rgba(232,163,61,0.35); }

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-bg-alt);
  color: var(--color-bg-alt);
}
.btn-outline:hover { background: var(--color-bg-alt); color: var(--color-navy); }

@media (prefers-reduced-motion: reduce) {
  .btn, html { transition: none; scroll-behavior: auto; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: var(--color-bg-alt);
  padding: 88px 0 110px;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 { color: var(--color-bg-alt); }
.hero p.lede {
  font-size: 1.15rem;
  color: #C9D3E0;
  max-width: 46ch;
}

.hero-actions { margin-top: 28px; display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 72px; }
}

/* ---------- Hero photo ---------- */
.hero-photo {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 20px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.25);
}
.hero-photo img { width: 100%; height: 240px; object-fit: cover; }

/* ---------- Growth path (signature element) ---------- */
.growth-path {
  margin-top: 8px;
}
.growth-path svg { width: 100%; height: auto; }
.growth-path text { font-family: var(--font-body); }
.growth-path .band-label {
  font-size: 13px;
  font-weight: 600;
  fill: var(--color-bg-alt);
}
.growth-path .band-sub {
  font-size: 11px;
  fill: #9FB0C4;
}

/* ---------- Sections ---------- */
.section {
  padding: 72px 0;
}
.section-alt {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.intro-block {
  max-width: 760px;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 40px;
}

@media (max-width: 760px) {
  .pillars { grid-template-columns: 1fr; }
}

.pillar {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 32px;
}

.pillar .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(63,143,127,0.12);
  color: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.3rem;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--color-teal);
  color: var(--color-bg-alt);
  text-align: center;
  padding: 64px 0;
}
.cta-band h2 { color: var(--color-bg-alt); }
.cta-band p { color: #E4F1EE; }

/* ---------- Wide photo band ---------- */
.wide-photo {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-line);
  margin-top: 32px;
}
.wide-photo img { width: 100%; height: 320px; object-fit: cover; }

/* ---------- Services list ---------- */
.service-item {
  border-top: 1px solid var(--color-line);
  padding: 32px 0;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
}
.service-item:first-of-type { border-top: none; }
.service-item h3 { margin-bottom: 0.3em; }
@media (max-width: 700px) {
  .service-item { grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- About ---------- */
.about-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 800px) {
  .about-layout { grid-template-columns: 1fr; }
}
.about-photo {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-line);
}

/* ---------- Contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 800px) { .contact-layout { grid-template-columns: 1fr; } }

/* ---------- Honeypot (hidden from real visitors only) ---------- */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  height: 0;
  overflow: hidden;
}

.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--color-navy);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-bg-alt);
  color: var(--color-ink);
}
.field textarea { resize: vertical; min-height: 120px; }

.contact-card {
  background: var(--color-navy);
  color: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 32px;
}
.contact-card h3 { color: var(--color-bg-alt); }
.contact-card a { color: var(--color-marigold); }
.contact-card .detail { margin-bottom: 18px; }
.contact-card .detail .label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9FB0C4;
  margin-bottom: 2px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy-dark);
  color: #B9C4D2;
  padding: 56px 0 28px;
}
.site-footer a { color: #D9E1EA; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h3 { color: var(--color-bg-alt); font-size: 1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  font-size: 0.85rem;
  color: #8798AB;
}