/* Burnhambox landing — minimal, white, Inter */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('inter/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --salmon: #ff7062;
  --salmon-dark: #e85a4c;
  --navy: #3216aa;
  --navy-dark: #27108a;
  --cream: #ffe6e4;
  --ink: #1a1a1a;
  --gray: #575757;
  --gray-light: #8a8a8a;
  --line: #e8e8e8;
  --bg-soft: #fafafa;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: #fff;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--salmon); text-decoration: none; }
a:hover { color: var(--salmon-dark); text-decoration: underline; text-underline-offset: 3px; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Header ---------- */
.site-header {
  padding: 4px 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--ink); text-decoration: none; }

.brand img {
  width: 40px;
  height: 40px;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
  font-weight: 500;
}

.site-nav .ext::after { content: ' ↗'; font-size: 12px; }

@media (max-width: 560px) {
  .site-header .container {
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .site-nav { gap: 16px; font-size: 14px; flex-wrap: wrap; }
  .site-nav .hide-mobile { display: none; }
  .hero { padding: 56px 0 48px; }
  .hero h1 br { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 16px 0 0;
  text-align: center;
}

.hero-box {
  background: linear-gradient(115deg,
    rgba(50, 22, 170, 0.16), rgba(255, 112, 98, 0.14), rgba(255, 230, 228, 0.6),
    rgba(50, 22, 170, 0.1), rgba(255, 112, 98, 0.18));
  background-size: 320% 320%;
  animation: hero-shift 14s ease-in-out infinite alternate;
  border-radius: 30px;
  padding: 80px 40px 72px;
}

@keyframes hero-shift {
  to { background-position: 100% 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-box { animation: none; }
}

.hero h1 {
  font-size: clamp(27px, 5.5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  max-width: 720px;
  margin: 0 auto;
}

.hero p {
  max-width: 560px;
  margin: 20px auto 0;
  color: var(--gray);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--navy);
  color: #fff;
}
.btn-primary:hover { background: var(--navy-dark); color: #fff; text-decoration: none; }

.btn-secondary {
  background: #fff;
  color: var(--navy);
  box-shadow: inset 0 0 0 1.5px var(--navy);
}
.btn-secondary:hover { background: var(--navy); color: #fff; text-decoration: none; }

/* ---------- Sections ---------- */
.section { padding: 72px 0 24px; }

.section + .section { margin-top: 56px; }

.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ---------- Cards ---------- */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px 56px;
}

@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
}

.card { display: flex; flex-direction: column; }

.card-shot {
  display: block;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.2s ease;
}

.card-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 64 / 45;
  object-fit: cover;
}

.card-shot:hover {
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.18);
}

.card h3 {
  margin-top: 18px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

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

.card p {
  margin-top: 6px;
  color: var(--gray);
  font-size: 15px;
}

.card-links {
  display: flex;
  gap: 18px;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
}

.card-links .ext::after { content: ' ↗'; font-size: 11px; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 72px;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
  font-size: 14px;
}

.footer-cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px 32px;
}

@media (max-width: 820px) {
  .footer-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-cols { grid-template-columns: 1fr; }
  .h4-spacer { display: none; }
}

.footer-about .brand { margin-bottom: 12px; font-size: 16px; }
.footer-about .brand img { width: 32px; height: 32px; }
.footer-about p { color: var(--gray); max-width: 260px; }

.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-light);
  margin-bottom: 14px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--gray); }
.footer-col a:hover { color: var(--salmon); }

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--gray-light);
  font-size: 13px;
}