/* solarise.dev — shared base for case study + experiment pages.
   Vars + typography + nav + contact form. Page-specific magazine layout
   lives in page.css. Home page (index.html) still has its own inline styles. */

:root {
  --bg: #f1ece2;
  --bg-deep: #e7e0d2;
  --paper: #faf6ec;
  --ink: #1a1c24;
  --ink-soft: #4d4f58;
  --ink-mute: #6c6f78;
  --line: rgba(26, 28, 36, .10);
  --line-strong: rgba(26, 28, 36, .18);

  --c-problem-1: #c4513a;
  --c-problem-2: #a93f2c;
  --c-problem-3: #d96a52;
  --c-solution-1: #3e8a6c;
  --c-solution-2: #2d7058;
  --c-solution-3: #58a487;
  --c-strategy-1: #6855a8;
  --c-strategy-2: #54448e;
  --c-strategy-3: #8779c4;

  --wrap: 1180px;
  --measure: 68ch;

  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-size: 16.5px;
  line-height: 1.6;
}

a {
  color: var(--c-problem-1);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { text-decoration-thickness: 2px; }

img, video { max-width: 100%; height: auto; display: block; }

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

/* ────────────────────── Top nav ────────────────────── */
.site-nav {
  position: relative;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--wrap);
  margin: 0 auto;
}
.site-nav .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.site-nav .brand-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-problem-1);
  flex-shrink: 0;
}
.site-nav .brand-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -.01em;
}
.site-nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}
.site-nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: .01em;
}
.site-nav-links a:hover { color: var(--ink); }
.site-nav-links a.is-current { color: var(--c-problem-1); }
.site-nav-links a.cta {
  background: var(--ink);
  color: var(--paper);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
}
.site-nav-links a.cta:hover { background: var(--c-problem-1); color: var(--paper); }
@media (max-width: 600px) {
  .site-nav-inner { padding: 14px 18px; }
  .site-nav-links { gap: 14px; }
  .site-nav-links a:not(.cta) { display: none; }
}

/* ────────────────────── Contact module ────────────────────── */
.contact-module {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 80px;
  padding: 70px 0 80px;
}
.contact-module .wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 50px;
}
.contact-module h2 {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  margin: 0 0 16px;
  color: var(--ink);
}
.contact-module h2 em {
  font-style: italic;
  color: var(--c-problem-1);
}
.contact-module .contact-lede {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.55;
}
.contact-module .contact-cta-line {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--c-problem-1);
  font-weight: 500;
  font-size: 1.05rem;
}
.contact-form {
  display: grid;
  gap: 14px;
}
.contact-form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.contact-form label {
  display: grid;
  gap: 6px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: .03em;
  text-transform: uppercase;
}
.contact-form input,
.contact-form textarea {
  font: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  border-radius: 6px;
  color: var(--ink);
  width: 100%;
  font-family: var(--font-sans);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--c-problem-1);
  box-shadow: 0 0 0 3px rgba(196, 81, 58, .15);
}
.contact-form textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--font-sans);
}
.contact-form button {
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 14px 22px;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  justify-self: start;
  transition: background .15s ease;
}
.contact-form button:hover { background: var(--c-problem-1); }
.contact-form .form-status {
  font-size: .9rem;
  color: var(--c-solution-1);
  margin: 0;
}
.contact-form .form-status.error { color: var(--c-problem-1); }
@media (max-width: 760px) {
  .contact-module { padding: 50px 0 60px; }
  .contact-module .wrap { grid-template-columns: 1fr; gap: 30px; }
  .contact-form .row { grid-template-columns: 1fr; }
}

/* ────────────────────── Site footer ────────────────────── */
.site-footer {
  padding: 30px 0 40px;
  border-top: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink-mute);
  font-size: .86rem;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; }