/* Jon Brown · AI Coach — bespoke single-page site */

:root {
  --bg: #f6f3ec;
  --bg-alt: #ece8dd;
  --surface: #ffffff;
  --ink: #15201a;
  --muted: #5d6a62;
  --border: #e1ddd2;
  --turf: #1f7a4d;
  --turf-deep: #17603c;
  --turf-light: #e2f0e6;
  --clay: #c8642f;
  --clay-light: #f7e4d6;
  --chalk: #c8f169;
  --night: #10241a;
  --term: #13201a;
  --term-text: #dfe8e1;
  --display: "Bricolage Grotesque", "Inter", -apple-system, sans-serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --radius: 16px;
  --max: 1160px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border: 0;
  border-radius: 999px;
  font: 600 16px/1.2 var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: 0.6; cursor: default; transform: none; }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--turf); color: #fff; }
.btn-primary:hover { background: var(--turf-deep); }

/* ── Header ──────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 243, 236, 0.85);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 64px;
}
.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
}
.wordmark-dot { color: var(--clay); }
.wordmark-sub { font-weight: 500; color: var(--turf); }
.wordmark-sm { font-size: 17px; }
.nav { display: flex; gap: 28px; }
.nav a {
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
}
.nav a:hover { color: var(--turf); }

/* ── Hero ────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 88px;
  background:
    radial-gradient(ellipse 60% 70% at 95% 10%, rgba(31, 122, 77, 0.12), transparent 60%),
    radial-gradient(ellipse 50% 50% at 0% 100%, rgba(200, 100, 47, 0.10), transparent 60%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1.02fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 0 0 18px;
}
.hero h1 { font-size: clamp(46px, 6.4vw, 84px); font-weight: 800; }
.mark {
  position: relative;
  white-space: nowrap;
  z-index: 0;
}
.mark::after {
  content: "";
  position: absolute;
  left: -4px;
  right: -6px;
  bottom: 0.08em;
  height: 0.38em;
  background: var(--chalk);
  border-radius: 4px;
  transform: rotate(-1.5deg);
  z-index: -1;
}
.lede {
  font-size: 18px;
  color: var(--muted);
  max-width: 34em;
  margin: 24px 0 28px;
}
.lede strong { color: var(--ink); }

.fork {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 520px;
}
.fork-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border-radius: 14px;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s;
}
.fork-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -14px rgba(21, 32, 26, 0.45); }
.fork-kicker { font-size: 12px; font-weight: 600; letter-spacing: 0.04em; opacity: 0.8; }
.fork-title { font-family: var(--display); font-size: 21px; font-weight: 700; }
.fork-students { background: var(--clay); color: #fff; }
.fork-leaders { background: var(--night); color: #fff; }
.hero-note { margin: 18px 0 0; font-size: 15px; color: var(--muted); }

/* ── Terminal ────────────────────────────────────────── */
.hero-terminal { margin: 0; }
.terminal {
  background: var(--term);
  border-radius: var(--radius);
  box-shadow: 0 40px 70px -30px rgba(16, 36, 26, 0.55), 0 0 0 1px rgba(16, 36, 26, 0.08);
  overflow: hidden;
  transform: rotate(0.6deg);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-r { background: #e26d5a; }
.dot-y { background: #e5b94e; }
.dot-g { background: #6cc17a; }
.terminal-title {
  margin-left: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(223, 232, 225, 0.55);
}
.terminal-body {
  padding: 22px 22px 26px;
  min-height: 300px;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.75;
  color: var(--term-text);
}
.t-line {
  display: block;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  padding-left: 2ch;
}
.t-cmd { padding-left: 0; }
.t-you { color: #ffffff; text-indent: -2ch; margin: 2px 0 6px; }
.t-prompt { color: var(--chalk); font-weight: 700; }
.t-tool { color: #8fb3a0; }
.t-ok { color: var(--chalk); }
.caret {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  margin-left: 1px;
  vertical-align: -0.18em;
  background: var(--chalk);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-terminal figcaption {
  margin-top: 18px;
  text-align: center;
  font-size: 15px;
  color: var(--muted);
}

/* ── Sections ────────────────────────────────────────── */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--turf);
  margin: 0 0 12px;
}
.section-title { font-size: clamp(34px, 4.4vw, 52px); }
.section-sub {
  color: var(--muted);
  font-size: 18px;
  max-width: 40em;
  margin: 16px 0 0;
}

/* ── Versus ──────────────────────────────────────────── */
.versus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 48px;
}
.versus-col {
  border-radius: var(--radius);
  padding: 30px;
}
.versus-col h3 { font-size: 24px; margin-bottom: 14px; }
.versus-col ul { list-style: none; margin: 0; padding: 0; }
.versus-col li { position: relative; padding: 9px 0 9px 30px; border-top: 1px solid; }
.versus-col li::before { position: absolute; left: 2px; top: 9px; font-weight: 700; }
.versus-chat { background: var(--surface); border: 1px solid var(--border); color: var(--muted); }
.versus-chat li { border-color: var(--border); }
.versus-chat li::before { content: "\2715"; color: #b9b3a6; }
.versus-harness { background: var(--night); color: #e8efe9; }
.versus-harness h3 { color: #fff; }
.versus-harness li { border-color: rgba(255, 255, 255, 0.1); }
.versus-harness li::before { content: "\2713"; color: var(--chalk); }

/* ── Steps ───────────────────────────────────────────── */
.steps {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.steps li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.step-num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--turf);
  background: var(--turf-light);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.steps h3 { font-size: 24px; margin-bottom: 10px; }
.steps p { margin: 0; color: var(--muted); }

/* ── Tracks ──────────────────────────────────────────── */
.track-inner {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 56px;
  align-items: start;
}
.track-head { position: sticky; top: 100px; }
.track-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.track-card {
  border-radius: var(--radius);
  padding: 26px;
}
.track-card h3 { font-size: 22px; margin-bottom: 8px; }
.track-card p { margin: 0; font-size: 16px; }
.track-parents {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-radius: 12px;
  font-size: 15px;
}

.track-students .section-label { color: var(--clay); }
.track-students .track-card { background: var(--surface); border: 1px solid var(--border); border-top: 4px solid var(--clay); }
.track-students .track-card p { color: var(--muted); }
.track-students .track-parents { background: var(--clay-light); color: #5a3018; }

.track-leaders { background: var(--night); color: #e8efe9; }
.track-leaders .section-label { color: var(--chalk); }
.track-leaders .section-title { color: #fff; }
.track-leaders .section-sub { color: #a9bdb0; }
.track-leaders .track-card { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-top: 4px solid var(--chalk); }
.track-leaders .track-card h3 { color: #fff; }
.track-leaders .track-card p { color: #a9bdb0; }

/* ── About ───────────────────────────────────────────── */
.about-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.about-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 30%;
  border-radius: 22px;
  box-shadow: 0 30px 60px -30px rgba(21, 32, 26, 0.5);
  transform: rotate(-1.2deg);
}
.about-copy p { color: var(--muted); margin: 16px 0 0; }
.about-copy .section-title { margin-bottom: 8px; }
.about-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.about-links a {
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  transition: border-color 0.2s, color 0.2s;
}
.about-links a:hover { border-color: var(--turf); color: var(--turf); }

/* ── FAQ ─────────────────────────────────────────────── */
.faq-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: start;
}
.faq details { border-bottom: 1px solid var(--border); padding: 4px 0; }
.faq details:first-child { border-top: 1px solid var(--border); }
.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 17px;
  padding: 18px 36px 18px 0;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--display);
  font-size: 26px;
  color: var(--turf);
  transition: transform 0.2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { margin: 0 0 18px; color: var(--muted); }

/* ── Contact ─────────────────────────────────────────── */
.contact {
  padding: 104px 0;
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(200, 241, 105, 0.12), transparent 60%),
    linear-gradient(160deg, var(--night) 0%, #173826 100%);
  color: #e8efe9;
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact .eyebrow { color: var(--chalk); }
.contact h2 { font-size: clamp(36px, 4.6vw, 56px); color: #fff; }
.contact-copy p { color: #a9bdb0; font-size: 18px; margin: 20px 0 0; }
.contact-copy .contact-direct { font-size: 16px; }
.contact-direct a { color: #fff; text-underline-offset: 3px; }

.contact-form {
  background: var(--surface);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
}
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: #fbfaf7;
  color: var(--ink);
  font: 16px/1.4 var(--sans);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-row textarea { resize: vertical; }
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--turf);
  box-shadow: 0 0 0 3px var(--turf-light);
}
.form-status { margin: 14px 0 0; font-size: 15px; font-weight: 500; }
.form-status.ok { color: var(--turf); }
.form-status.err { color: #b3361f; }

/* ── Footer ──────────────────────────────────────────── */
.site-footer { padding: 28px 0; font-size: 14px; color: var(--muted); }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* ── Reveal on scroll ────────────────────────────────── */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .caret { animation: none; }
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-inner, .track-inner, .about-inner, .faq-inner, .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .track-head { position: static; }
  .about-photo { max-width: 420px; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .nav { display: none; }
  .header-inner { height: 58px; }
  .wordmark { font-size: 17px; }
  .hero { padding: 44px 0 56px; }
  .lede { font-size: 17px; }
  .section { padding: 64px 0; }
  .versus, .steps, .track-grid { grid-template-columns: 1fr; }
  .terminal { transform: none; }
  .terminal-body { font-size: 13px; padding: 18px 16px 20px; min-height: 300px; }
  .contact { padding: 72px 0; }
  .contact-form { padding: 22px; }
}

@media (max-width: 420px) {
  .fork { grid-template-columns: 1fr; }
  .wordmark-sub, .wordmark-dot { display: none; }
}