/* arch.college — site styles */

:root {
  --brand: #6d28d9;
  --brand-soft: #f5f3ff;
  --brand-deep: #4c1d95;
  --ink: #1a1a1a;
  --ink-soft: #525252;
  --line: #e5e5e5;
  --bg: #ffffff;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter,
    "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

/* ─── Splash page ─── */

.splash {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.splash-hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--brand-soft) 0%, var(--bg) 70%);
}

.arch-mark {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
}

.splash h1 {
  font-size: clamp(40px, 7vw, 64px);
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--ink);
  margin-bottom: 14px;
}

.splash .tagline {
  font-size: clamp(18px, 2.4vw, 22px);
  color: var(--ink-soft);
  max-width: 620px;
  margin-bottom: 36px;
  line-height: 1.45;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.06s ease, opacity 0.15s ease;
}

.cta-primary {
  background: var(--brand);
  color: #fff;
}
.cta-primary:hover {
  background: var(--brand-deep);
  text-decoration: none;
}

.cta-secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}
.cta-secondary:hover {
  background: #fafafa;
  text-decoration: none;
}

.cta-note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ─── Three-up feature row ─── */

.features {
  padding: 60px 24px;
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.feature h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
}

/* ─── Footer ─── */

footer {
  margin-top: auto;
  padding: 32px 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
  text-align: center;
}

footer a {
  margin: 0 8px;
  color: var(--ink-soft);
}

/* ─── Legal pages ─── */

.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.legal-header {
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
}

.legal-header a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.legal h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--ink);
}

.legal h2 {
  font-size: 20px;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
  color: var(--ink);
}

.legal h3 {
  font-size: 16px;
  font-weight: 700;
  margin-top: 22px;
  margin-bottom: 8px;
  color: var(--ink);
}

.legal p {
  margin-bottom: 12px;
  font-size: 15px;
  color: #2a2a2a;
  line-height: 1.65;
}

.legal ul,
.legal ol {
  margin-bottom: 16px;
  padding-left: 22px;
}

.legal li {
  margin-bottom: 6px;
  font-size: 15px;
  color: #2a2a2a;
  line-height: 1.6;
}

.legal hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

.legal strong {
  color: var(--ink);
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 14px;
}

.legal th,
.legal td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.legal th {
  font-weight: 700;
  color: var(--ink);
  background: #fafafa;
}

.legal code {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  background: #f5f5f5;
  padding: 2px 6px;
  border-radius: 4px;
}

@media (max-width: 600px) {
  .splash-hero { padding: 60px 20px 40px; }
  .features { padding: 40px 20px; }
  .legal { padding: 28px 18px 60px; }
  .legal h1 { font-size: 26px; }
  .legal h2 { font-size: 18px; }
}