/* Layout only. Colours and fonts come from theme.css. */

* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}
body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-white);
  line-height: 1.55;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}
a { color: var(--color-blue); text-decoration: none; }
a:hover { color: var(--color-orange-dark); }
img { max-width: 100%; height: auto; display: block; }
.wrap {
  width: 100%;
  max-width: var(--width);
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

header.top { background: var(--color-navy); color: var(--color-white); }
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: var(--header-h);
  padding-top: 10px;
  padding-bottom: 10px;
}
.brand { color: var(--color-white); font-weight: 700; font-size: 1.2rem; }
.brand b { color: var(--color-orange-light); }
nav.main { display: none; }
nav.main a { color: #E8EEF4; font-size: 0.95rem; font-weight: 600; }
nav.main a:hover { color: var(--color-orange-light); }

.btn {
  display: inline-block;
  background: var(--color-orange);
  color: var(--color-white);
  font-weight: 700;
  padding: 10px 16px;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover { background: var(--color-orange-dark); color: var(--color-white); }
.btn-navy { background: var(--color-navy-mid); }
.btn-navy:hover { background: var(--color-navy-deep); color: var(--color-white); }

.hero {
  position: relative;
  min-height: 320px;
  color: var(--color-white);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  width: 100%;
  background: var(--color-navy);
}
.hero img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: none;
}
.hero .shade {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(7,26,48,0.25), rgba(7,26,48,0.82));
}
.hero .copy { position: relative; z-index: 2; padding: 28px 0 28px; }
.hero h1 {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  line-height: 1.2;
  max-width: 100%;
  font-weight: 600;
}
.hero p { margin-top: 12px; max-width: 40rem; font-size: 1.02rem; color: #E8EEF4; }
.hero .actions { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }

.what { background: var(--color-blue-soft); padding: 22px 0; }
.what p { font-size: 1.08rem; color: var(--color-navy); }

.kicker { background: var(--color-navy-mid); color: var(--color-white); padding: 12px 0; font-size: 0.9rem; }
.kicker .wrap { display: flex; gap: 14px 20px; flex-wrap: wrap; }
.kicker a { color: var(--color-white); font-weight: 600; }
.kicker a:hover { color: var(--color-orange-light); }

.section { padding: 40px 0; }
.section.alt { background: var(--color-paper); }
h1.page, h2 { font-family: var(--font-serif); font-weight: 600; }
h1.page { font-size: 1.8rem; margin-bottom: 8px; }
h2 { font-size: 1.6rem; margin-bottom: 8px; }
.lead { color: var(--color-muted); margin-bottom: 22px; font-size: 1.02rem; }

.grid3, .grid4, .grid2, .feat, .about-grid, .fg, .fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.grid3 > *, .grid4 > *, .card, .feat { min-width: 0; }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--color-ink);
  display: block;
}
.card:hover { border-color: var(--color-blue); color: var(--color-ink); }
.card img { width: 100%; height: 160px; object-fit: cover; }
.card .body { padding: 14px 14px 16px; }
.card h3 { font-size: 1.1rem; font-family: var(--font-serif); margin: 6px 0 8px; }
.card p { color: var(--color-muted); font-size: 0.95rem; }

.tag {
  display: inline-block;
  background: var(--color-blue-soft);
  color: var(--color-navy);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
}
.tag.or { background: #FDE7D4; color: var(--color-orange-dark); }
.tag.gn { background: var(--color-green-soft); color: var(--color-green); }

.feat {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-white);
}
.feat img { width: 100%; height: 200px; object-fit: cover; }
.feat .body { padding: 20px; }
.feat h3 { font-family: var(--font-serif); font-size: 1.4rem; margin: 8px 0 10px; }

.calcs a {
  display: block;
  padding: 14px;
  border: 1px solid var(--color-line);
  border-radius: 5px;
  background: var(--color-paper);
  color: var(--color-ink);
  font-weight: 600;
}
.calcs a:hover { border-color: var(--color-blue); background: var(--color-blue-soft); color: var(--color-navy); }
.calcs a small { display: block; font-weight: 500; color: var(--color-muted); margin-top: 3px; }

.alpha { display: flex; flex-wrap: wrap; gap: 6px; margin: 18px 0 28px; }
.alpha a {
  width: 32px; height: 32px; display: grid; place-items: center;
  background: var(--color-paper); border: 1px solid var(--color-line);
  font-weight: 700; color: var(--color-navy); font-size: 0.85rem;
}
.term { padding: 16px 0; border-bottom: 1px solid var(--color-line); }
.term h3 { font-size: 1.05rem; margin-bottom: 4px; }
.term p { color: var(--color-muted); }

article.post { max-width: 760px; margin: 0 auto; padding: 24px 16px 56px; }
article.post .hero-img {
  width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius);
  margin: 16px 0 20px;
  background: var(--color-navy);
}
article.post h1 { font-family: var(--font-serif); font-size: 1.7rem; line-height: 1.25; }
article.post h2 { font-size: 1.25rem; margin: 24px 0 8px; }
article.post p { margin: 0 0 14px; font-size: 1.05rem; }
article.post ul { margin: 0 0 16px 1.2rem; }
article.post li { margin: 6px 0; }
.meta { color: var(--color-muted); font-size: 0.9rem; margin-top: 8px; }

.portrait { background: var(--color-navy); color: var(--color-white); padding: 24px; border-radius: var(--radius); }
.portrait h3 { font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: 8px; }

.calc-box { background: var(--color-paper); border: 1px solid var(--color-line); border-radius: var(--radius); padding: 18px; margin: 0 0 22px; }
.calc-box h2 { font-size: 1.3rem; }
.fields label { display: block; font-weight: 700; font-size: 0.9rem; margin-bottom: 4px; }
.fields input, form input, form select, form textarea {
  width: 100%; max-width: 100%; padding: 10px 12px; border: 1px solid var(--color-line);
  border-radius: 4px; font: inherit;
}
form label { display: block; font-weight: 700; margin: 12px 0 4px; }
form textarea { min-height: 140px; }
.result { background: var(--color-navy); color: var(--color-white); padding: 16px; border-radius: 4px; }
.result strong { color: var(--color-orange-light); font-size: 1.25rem; }
.formula { font-size: 0.92rem; color: var(--color-muted); margin-top: 10px; }

footer { background: var(--color-navy); color: #C5D4E0; padding: 32px 0 20px; margin-top: 20px; }
footer a { color: #E8EEF4; }
footer h4 { color: var(--color-white); margin-bottom: 10px; }
.fine { margin-top: 20px; padding-top: 16px; border-top: 1px solid #1E3A5F; font-size: 0.8rem; color: #8AA0B5; }

@media (min-width: 800px) {
  nav.main { display: flex; gap: 22px; align-items: center; }
  .hero { min-height: var(--hero-h); }
  .hero h1 { font-size: 2.6rem; }
  .hero .copy { padding: 0 0 48px; }
  h1.page { font-size: 2.4rem; }
  h2 { font-size: 2rem; }
  .grid3 { grid-template-columns: repeat(3, 1fr); }
  .grid4 { grid-template-columns: repeat(4, 1fr); }
  .grid2 { grid-template-columns: 1.4fr 1fr; }
  .feat { grid-template-columns: 1.15fr 0.85fr; }
  .feat img { height: 100%; min-height: 260px; }
  .about-grid { grid-template-columns: 280px 1fr; }
  .fg { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .fields { grid-template-columns: 1fr 1fr; }
  article.post { padding: 36px 24px 72px; }
  article.post h1 { font-size: 2.2rem; }
  article.post .hero-img { height: 280px; }
  .section { padding: 56px 0; }
}