/* ===== Vibe Code Academy | shared styles ===== */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400..800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --ink: #1a1917;
  --paper: #f6f1e7;
  --paper-2: #efe6d3;
  --yellow: #ffe566;
  --coral: #ff7a5c;
  --teal: #5ce1c5;
  --text-lo: #5b5474;
  --shadow-sm: 4px 4px 0 0 var(--ink);
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700;
  line-height: 1.08;
  margin: 0 0 0.4em;
  letter-spacing: -0.02em;
}
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.mono { font-family: 'JetBrains Mono', monospace; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
section { padding: 72px 0; }
@media (max-width: 720px) {
  section { padding: 52px 0; }
  .wrap { padding: 0 20px; }
}

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.7;
  margin-bottom: 1em;
}

.marker {
  background: var(--yellow);
  padding: 0 0.12em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hand {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-style: italic;
  color: var(--text-lo);
}

.dark {
  background: var(--ink);
  color: var(--paper);
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
}
.dark h1, .dark h2, .dark h3, .dark h4 { color: var(--paper); }
.dark p { color: #c8c0b0; }
.dark .eyebrow { color: var(--teal); opacity: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8em 1.35em;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  box-shadow: var(--shadow-sm);
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 0 var(--ink); }
.btn-primary { background: var(--teal); }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-disabled { opacity: 0.55; cursor: default; pointer-events: none; }

header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 241, 231, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 3px solid var(--ink);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: var(--maxw);
  margin: 0 auto;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65em;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
}
.brand .mark {
  width: 22px;
  height: 18px;
  border: 2px solid var(--ink);
  background: linear-gradient(90deg, var(--teal) 35%, var(--yellow) 35% 70%, var(--coral) 70%);
  flex-shrink: 0;
}
.navlinks {
  display: flex;
  gap: 2em;
  font-size: 0.92rem;
  font-weight: 600;
}
.navlinks a { opacity: 0.65; }
.navlinks a:hover,
.navlinks a.active { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }
.navcta { display: flex; align-items: center; gap: 1rem; }
@media (max-width: 760px) { .navlinks { display: none; } }

.card {
  background: #fff;
  border: 3px solid var(--ink);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.card-yellow { background: var(--yellow); }
.card-coral { background: var(--coral); color: var(--ink); }

.tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  padding: 0.35em 0.7em;
  background: var(--ink);
  color: var(--paper);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tag-outline {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
}

.promptcard {
  background: var(--ink);
  color: var(--paper);
  border: 3px solid var(--ink);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.promptcard .cmd {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.92rem;
  line-height: 1.5;
  margin: 12px 0 0;
}
.promptcard .tag { margin-bottom: 0; }

.divider { border: none; border-top: 2px solid #3a3730; }

.badge-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid var(--ink);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--paper);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5em; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5em; }
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

footer.site {
  background: var(--ink);
  color: #c8c0b0;
  padding: 56px 0 28px;
  border-top: 3px solid var(--ink);
}
footer.site h4 { color: var(--paper); font-size: 0.95rem; margin-bottom: 0.8em; }
footer.site a:hover { color: var(--teal); }
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2em;
  margin-bottom: 2.5em;
}
.foot-bottom {
  border-top: 2px solid #3a3730;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  opacity: 0.75;
  flex-wrap: wrap;
  gap: 1em;
}
@media (max-width: 720px) { .foot-grid { grid-template-columns: 1fr 1fr; } }

/* Lesson page */
.lesson-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 44px;
  align-items: flex-start;
}
@media (max-width: 860px) { .lesson-layout { grid-template-columns: 1fr; } }

.modlist {
  position: sticky;
  top: 90px;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-sm);
  background: #fff;
}
.modlist .mod {
  padding: 15px 16px;
  border-bottom: 2px solid var(--ink);
  font-size: 0.86rem;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-family: 'JetBrains Mono', monospace;
}
.modlist .mod:last-child { border-bottom: none; }
.modlist a.mod {
  color: inherit;
  text-decoration: none;
}
.modlist a.mod:hover { background: var(--paper-2); }

.lesson-body h2 { font-size: 1.3rem; margin-top: 1.5em; }
.lesson-body p, .lesson-body li { font-size: 1.02rem; }

.callout {
  background: var(--paper-2);
  border: 2px dashed var(--ink);
  padding: 20px 22px;
  margin: 1.6em 0;
}
.callout strong { font-family: 'JetBrains Mono', monospace; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* Email signup */
.signup-block { text-align: left; }
.signup-block.is-centered { text-align: center; margin: 0 auto; }
.signup-block.is-centered .signup-form { margin-left: auto; margin-right: auto; }
.signup-form { max-width: 34rem; }
.signup-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.55em;
}
.signup-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.signup-row input[type="email"] {
  flex: 1 1 220px;
  min-width: 0;
  padding: 0.8em 1em;
  border: 2px solid var(--ink);
  font: inherit;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.dark .signup-row input[type="email"] {
  background: var(--paper);
}
.signup-row .btn { flex-shrink: 0; }
.signup-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.signup-consent {
  display: flex;
  gap: 0.65em;
  align-items: flex-start;
  margin-top: 1em;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-lo);
  cursor: pointer;
}
.dark .signup-consent { color: #c8c0b0; }
.signup-consent input {
  margin-top: 0.2em;
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  accent-color: var(--teal);
}
.signup-status {
  min-height: 1.25em;
  margin: 0.75em 0 0;
  font-size: 0.88rem;
}
.signup-status.is-error { color: #b42318; }
.signup-status.is-success { color: #1a6b4f; }
.dark .signup-status.is-error { color: #ff9b8f; }
.dark .signup-status.is-success { color: var(--teal); }
.signup-footer {
  border-top: 2px solid #3a3730;
  padding-top: 2rem;
  margin-bottom: 2rem;
}
.signup-footer .signup-form { max-width: 100%; }
.signup-footer .signup-consent { font-size: 0.78rem; }