/* ==========================================================================
   Claude Mastery — claudemastery.nl
   Editorial theme. All colours/spacing are CSS variables — recolour here.
   ========================================================================== */

:root {
  /* Palette — matched to the original Claude Mastery site. Re-theme here. */
  --paper:        #F9F4EC;   /* warm cream background */
  --paper-2:      #EFE6DB;   /* muted / secondary surface */
  --ink:          #241710;   /* deep warm brown — text & primary buttons */
  --ink-soft:     #685B52;   /* muted foreground */
  --ink-faint:    #9A8C7F;
  --accent:       #B07A45;   /* caramel — restrained accent (small polish) */
  --accent-deep:  #8A5A2E;
  --green:        #2F3A2B;
  --line:         #D9CFC5;
  --line-soft:    rgba(36,23,16,0.08);
  --card:         #FDFAF4;
  --shadow:       0 1px 2px rgba(36,23,16,0.05), 0 12px 40px rgba(36,23,16,0.07);

  /* Type — matched to original: Instrument Serif display + Inter body */
  --font-display: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Layout */
  --maxw: 1140px;
  --gut: clamp(20px, 5vw, 64px);
  --radius: 14px;
  --radius-lg: 22px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.05; letter-spacing: -0.005em; margin: 0; }
h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); }
h2 { font-size: clamp(1.9rem, 4.2vw, 3.1rem); }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1rem; }
em { font-style: italic; color: var(--accent-deep); }

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.section { padding-block: clamp(56px, 9vw, 120px); }
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.74rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--accent-deep);
  display: inline-flex; align-items: center; gap: 0.6em;
  margin-bottom: 1.1rem;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--accent); display: inline-block; }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--ink-soft); max-width: 60ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-weight: 600; font-size: 0.95rem;
  padding: 0.85em 1.4em; border-radius: 999px;
  border: 1px solid transparent; transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--accent-deep); }
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-deep); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--block { width: 100%; justify-content: center; }
.btn .arr { transition: transform .2s ease; }
.btn:hover .arr { transform: translateX(3px); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.nav { display: flex; align-items: center; gap: 1.2rem; height: 68px; }
.brand { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; letter-spacing: -0.01em; }
.brand span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 1.55rem; margin-left: auto; }
.nav-links a { font-size: 0.92rem; color: var(--ink-soft); font-weight: 500; transition: color .15s ease; }
.nav-links a:hover { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 0.6rem; }
.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; font-size: 0.8rem; }
.lang-switch a { padding: 0.35em 0.7em; color: var(--ink-faint); font-weight: 600; }
.lang-switch a.is-active { background: var(--ink); color: var(--paper); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; transition: .2s; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-top: clamp(28px, 5vw, 60px); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-size: 0.82rem; font-weight: 600; color: var(--ink-soft);
  background: var(--paper-2); border: 1px solid var(--line);
  padding: 0.45em 0.95em; border-radius: 999px; margin-bottom: 1.6rem;
}
.hero-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent); }
.hero h1 { margin-bottom: 1.4rem; }
.hero p.lede { margin-bottom: 2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 2.4rem; }
.hero-stats { display: flex; gap: clamp(20px, 4vw, 48px); border-top: 1px solid var(--line); padding-top: 1.4rem; }
.hero-stats dt { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-faint); margin-bottom: 0.3rem; }
.hero-stats dd { margin: 0; font-family: var(--font-display); font-size: 1.5rem; }

/* Hero visual: photo panel (drop assets/hero.jpg in to enable) + stamp */
.hero-visual { position: relative; }
.hero-photo {
  position: relative; aspect-ratio: 4/5; border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(21,19,14,0.06), rgba(21,19,14,0.30)),
    radial-gradient(120% 90% at 70% 10%, #d8c4a8, #b98f63 55%, #6f4e34 100%);
  background-size: cover; background-position: center;
  box-shadow: var(--shadow); overflow: hidden; border: 1px solid var(--line);
}
/* When a real photo is added: <div class="hero-photo" style="background-image:url('assets/hero.jpg')"> */
.hero-photo .edition {
  position: absolute; left: 18px; bottom: 18px; color: #fff;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em;
  background: rgba(21,19,14,0.45); backdrop-filter: blur(4px);
  padding: 0.5em 0.9em; border-radius: 999px;
}

/* Stamp badge (rebuilt in SVG — no date) */
.stamp { position: absolute; top: -26px; right: -18px; width: 124px; height: 124px; animation: spin 26s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .stamp { animation: none; } .marquee__track { animation: none; } }

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--line); background: var(--ink); color: var(--paper); overflow: hidden; }
.marquee__track { display: flex; gap: 2.4rem; white-space: nowrap; padding-block: 0.9rem; width: max-content; animation: marq 32s linear infinite; }
.marquee__track span { font-family: var(--font-display); font-size: 1.15rem; display: inline-flex; align-items: center; gap: 2.4rem; }
.marquee__track span::after { content: "✦"; color: var(--accent); }
@keyframes marq { to { transform: translateX(-50%); } }

/* ---------- Why ---------- */
.why-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.why-grid .body p { color: var(--ink-soft); font-size: 1.08rem; }

/* ---------- Program ---------- */
.day { border-top: 1px solid var(--line); padding-top: 2rem; margin-top: 2.4rem; }
.day-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.4rem 1.2rem; margin-bottom: 1.6rem; }
.day-num { font-family: var(--font-display); font-size: 2.4rem; color: var(--accent); line-height: 1; }
.day-date { font-weight: 600; }
.day-theme { color: var(--ink-faint); font-size: 0.95rem; }
.slots { display: grid; gap: 0.7rem; }
.slot {
  display: grid; grid-template-columns: 88px 1fr; gap: 1.2rem;
  background: var(--card); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 1.1rem 1.3rem; box-shadow: var(--shadow);
  transition: border-color .2s ease, transform .2s ease;
}
.slot:hover { border-color: var(--accent); transform: translateY(-2px); }
.slot time { font-family: var(--font-display); font-size: 1.05rem; color: var(--accent-deep); }
.slot h3 { font-size: 1.08rem; margin-bottom: 0.25rem; }
.slot p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- Results ---------- */
.results { background: var(--ink); color: var(--paper); }
.results .eyebrow { color: color-mix(in srgb, var(--accent) 80%, #fff); }
.results .lede { color: rgba(246,242,233,0.72); }
.results-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; margin-top: 2.4rem; border-top: 1px solid rgba(246,242,233,0.16); }
.result {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.4rem 1.2rem; border-bottom: 1px solid rgba(246,242,233,0.16);
}
.result:nth-child(odd) { border-right: 1px solid rgba(246,242,233,0.16); padding-right: 2rem; }
.result .n { font-family: var(--font-display); color: var(--accent); font-size: 1.15rem; min-width: 1.8em; }
.result p { margin: 0; color: rgba(246,242,233,0.9); font-size: 1rem; }
.result .check { margin-left: auto; color: var(--accent); }

/* ---------- Practical ---------- */
.facts { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--card); margin-top: 2.4rem; }
.fact { padding: 1.6rem 1.4rem; border-right: 1px solid var(--line-soft); }
.fact:last-child { border-right: 0; }
.fact dt { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent-deep); margin-bottom: 0.6rem; font-weight: 600; }
.fact dd { margin: 0; font-weight: 600; }
.fact dd small { display: block; font-weight: 400; color: var(--ink-faint); font-size: 0.85rem; margin-top: 0.3rem; }
.guarantee {
  margin-top: 1.6rem; display: flex; flex-wrap: wrap; gap: 1.4rem; align-items: center; justify-content: space-between;
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.6rem 1.8rem;
}
.guarantee h3 { margin-bottom: 0.3rem; }
.guarantee p { margin: 0; color: var(--ink-soft); max-width: 52ch; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 0.6rem; margin-top: 2.2rem; max-width: 820px; }
.faq details {
  background: var(--card); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 0 1.4rem; box-shadow: var(--shadow); transition: border-color .2s ease;
}
.faq details[open] { border-color: var(--accent); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.2rem 0; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .pm { font-family: var(--font-display); font-size: 1.5rem; color: var(--accent); transition: transform .2s ease; line-height: 1; }
.faq details[open] summary .pm { transform: rotate(45deg); }
.faq .ans { padding: 0 0 1.3rem; color: var(--ink-soft); }

/* ---------- CTA ---------- */
.cta { text-align: center; }
.cta-card {
  background: var(--ink); color: var(--paper); border-radius: var(--radius-lg);
  padding: clamp(40px, 7vw, 88px) var(--gut); text-align: center;
}
.cta-card .eyebrow { color: color-mix(in srgb, var(--accent) 80%, #fff); justify-content: center; }
.cta-card h2 { max-width: 18ch; margin-inline: auto; }
.cta-card p { color: rgba(246,242,233,0.72); max-width: 56ch; margin: 1.2rem auto 2rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 3rem; }
.footer-grid { display: flex; flex-wrap: wrap; gap: 1.4rem; justify-content: space-between; align-items: center; }
.site-footer .brand { font-size: 1.05rem; }
.footer-meta { color: var(--ink-faint); font-size: 0.88rem; }
.footer-links { display: flex; gap: 1.2rem; font-size: 0.88rem; }
.footer-links a { color: var(--ink-soft); }

/* ---------- Forms (register / login) ---------- */
.auth { min-height: calc(100vh - 68px); display: grid; grid-template-columns: 1.05fr 0.95fr; }
.auth-aside { background: var(--ink); color: var(--paper); padding: clamp(32px, 6vw, 80px) var(--gut); display: flex; flex-direction: column; justify-content: center; }
.auth-aside .eyebrow { color: color-mix(in srgb, var(--accent) 80%, #fff); }
.auth-aside h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.2rem; }
.auth-aside p { color: rgba(246,242,233,0.75); max-width: 42ch; }
.auth-aside ul { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: 0.7rem; }
.auth-aside li { display: flex; gap: 0.7rem; color: rgba(246,242,233,0.9); }
.auth-aside li::before { content: "✓"; color: var(--accent); font-weight: 700; }
.auth-main { padding: clamp(32px, 6vw, 80px) var(--gut); display: flex; align-items: center; }
.auth-form { width: 100%; max-width: 460px; margin-inline: auto; }
.auth-form h2 { margin-bottom: 0.4rem; }
.auth-form .sub { color: var(--ink-soft); margin-bottom: 1.8rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.4rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.85em 1em; font: inherit; color: var(--ink);
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.field .hint { font-size: 0.8rem; color: var(--ink-faint); margin-top: 0.35rem; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.checkbox { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9rem; color: var(--ink-soft); }
.checkbox input { width: auto; margin-top: 0.2rem; }
.form-foot { margin-top: 1.4rem; font-size: 0.9rem; color: var(--ink-soft); text-align: center; }
.form-foot a { color: var(--accent-deep); font-weight: 600; }
.notice { padding: 0.9em 1.1em; border-radius: 10px; font-size: 0.9rem; margin-bottom: 1.2rem; border: 1px solid; }
.notice--info { background: var(--paper-2); border-color: var(--line); color: var(--ink-soft); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 380px; }
  .why-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(2n) { border-right: 0; }
  .results-list { grid-template-columns: 1fr; }
  .result:nth-child(odd) { border-right: 0; padding-right: 1.2rem; }
  .auth { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
}
@media (max-width: 680px) {
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: 0.5rem var(--gut) 1.2rem; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 0; width: 100%; border-bottom: 1px solid var(--line-soft); }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-actions .btn--register { display: none; }
  .slot { grid-template-columns: 64px 1fr; gap: 0.8rem; }
  .facts { grid-template-columns: 1fr; }
  .fact { border-right: 0; border-bottom: 1px solid var(--line-soft); }
}