:root {
  --cream: #f8f4ec;
  --sand: #e9dfc9;
  --sand-dark: #d8c9a8;
  --ink: #151515;
  --ink-soft: #4a4740;
  --bronze: #8a6a3a;
  --white: #fffdf9;
  --radius: 14px;
  --shadow: 0 10px 30px -12px rgba(40, 30, 10, .18);
  --serif: "Didot", "Bodoni 72", "Bodoni MT", "Playfair Display", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --header-h: 76px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 .6em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.45rem; }
h4 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

.container { width: min(1140px, 100% - 2.5rem); margin-inline: auto; }
.container.narrow { width: min(820px, 100% - 2.5rem); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 100;
  background: var(--ink); color: var(--cream); padding: .6rem 1rem; border-radius: 8px;
}
.skip-link:focus { top: 1rem; }

:focus-visible { outline: 2px solid var(--bronze); outline-offset: 3px; }

.eyebrow {
  font-size: .8rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--bronze); margin-bottom: .8rem; font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .85rem 1.6rem; border-radius: 999px;
  font: inherit; font-size: .95rem; font-weight: 600; letter-spacing: .02em;
  text-decoration: none; cursor: pointer; border: 1px solid var(--ink);
  transition: background .2s, color .2s, transform .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: var(--cream); }
.btn-primary:hover { background: #2c2a26; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--sand); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(248, 244, 236, .88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.site-header.scrolled { border-color: var(--sand); box-shadow: 0 4px 20px -14px rgba(0,0,0,.25); }

.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand img { width: 44px; height: auto; }
.brand-name { font-family: var(--serif); font-size: 1.4rem; letter-spacing: .02em; }

.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.8rem; align-items: center; }
.site-nav a { text-decoration: none; font-size: .95rem; position: relative; padding: .3rem 0; }
.site-nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.site-nav a:hover::after, .site-nav a.active::after { transform: scaleX(1); }
.nav-cta { border: 1px solid var(--ink); border-radius: 999px; padding: .5rem 1.1rem !important; }
.nav-cta:hover { background: var(--ink); color: var(--cream); }

.nav-toggle {
  display: none; background: none; border: 0; width: 44px; height: 44px;
  cursor: pointer; position: relative;
}
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  position: absolute; left: 10px; width: 24px; height: 1.5px; background: var(--ink);
  transition: transform .25s, top .25s, opacity .2s;
}
.nav-toggle-bar { top: 21px; }
.nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; left: 0; }
.nav-toggle-bar::before { top: -7px; }
.nav-toggle-bar::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { top: 0; transform: rotate(-45deg); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(3rem, 8vw, 7rem) 0; }
.hero-aside {
  position: absolute; inset: 0 auto 0 0; width: clamp(40px, 16vw, 220px);
  background: var(--sand);
}
.hero-inner {
  position: relative; display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 3rem; align-items: center;
}
.hero-text { max-width: 42rem; padding-left: clamp(0rem, 6vw, 5rem); }
.hero-card {
  background: var(--white); border: 1px solid var(--sand); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: .5rem 1.6rem;
}
.hero-card ul { list-style: none; margin: 0; padding: 0; }
.hero-card li + li { border-top: 1px solid var(--sand); }
.hero-card a { display: block; padding: 1rem 0; text-decoration: none; }
.hero-card strong { display: block; font-family: var(--serif); font-weight: 400; font-size: 1.25rem; }
.hero-card span { display: block; color: var(--ink-soft); font-size: .92rem; }
.hero-card a:hover strong { text-decoration: underline; }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 36em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

/* Sections */
.section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section-alt { background: var(--sand); }
.section-head { max-width: 680px; margin-bottom: 3rem; }
.section-head p:last-child { color: var(--ink-soft); }

/* Tabs */
.tab-list {
  display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem;
  border-bottom: 1px solid var(--sand-dark);
}
.tab-list [role="tab"] {
  font: inherit; font-family: var(--serif); font-size: 1.25rem;
  background: none; border: 0; padding: .8rem 1.2rem; cursor: pointer;
  color: var(--ink-soft); position: relative;
}
.tab-list [role="tab"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--ink); transform: scaleX(0); transition: transform .25s;
}
.tab-list [role="tab"][aria-selected="true"] { color: var(--ink); }
.tab-list [role="tab"][aria-selected="true"]::after { transform: scaleX(1); }
.tab-panel { animation: fade .35s ease; }
.panel-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 3rem; align-items: start; }

.check-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.check-list li { position: relative; padding-left: 1.8rem; margin-bottom: .55rem; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: .9rem; height: .45rem;
  border-left: 1.5px solid var(--bronze); border-bottom: 1.5px solid var(--bronze);
  transform: rotate(-45deg);
}

.fact-card {
  background: var(--white); border: 1px solid var(--sand); border-radius: var(--radius);
  padding: 2rem; box-shadow: var(--shadow);
}
.fact-card dl { display: grid; grid-template-columns: auto 1fr; gap: .4rem 1rem; margin: 1.4rem 0 0; font-size: .95rem; }
.fact-card dt { color: var(--ink-soft); }
.fact-card dd { margin: 0; font-weight: 600; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.ciso {
  display: grid; grid-template-columns: 9rem 1fr; gap: 1.5rem; align-items: start;
  background: var(--cream); border-radius: var(--radius); padding: 2rem; margin-bottom: 1.5rem;
}
.ciso p:last-child { margin: 0; color: var(--ink-soft); }
.lead a { color: inherit; font-weight: 600; }
.source-link { margin: 1.4rem 0 0; font-size: .92rem; }
.source-link a { color: var(--bronze); }
.card {
  background: var(--cream); border-radius: var(--radius); padding: 2rem;
  border: 1px solid transparent; transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--sand-dark); }
.card-num { font-family: var(--serif); font-size: 2rem; color: var(--bronze); display: block; margin-bottom: .8rem; }
.card p { color: var(--ink-soft); margin: 0; }

/* Quiz */
.quiz {
  background: var(--white); border: 1px solid var(--sand); border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: var(--shadow);
}
.quiz fieldset { border: 0; padding: 0; margin: 0 0 2rem; }
.quiz legend { font-weight: 600; margin-bottom: .8rem; }

.segmented { display: inline-flex; flex-wrap: wrap; background: var(--cream); border-radius: 999px; padding: 4px; gap: 4px; }
.segmented label { cursor: pointer; position: relative; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: block; padding: .5rem 1.1rem; border-radius: 999px; font-size: .95rem; transition: background .2s, color .2s; }
.segmented input:checked + span { background: var(--ink); color: var(--cream); }
.segmented input:focus-visible + span { outline: 2px solid var(--bronze); outline-offset: 2px; }

.quiz-questions { list-style: none; counter-reset: q; padding: 0; margin: 0; }
.quiz-questions > li {
  counter-increment: q; padding: 1.1rem 0; border-top: 1px solid var(--sand);
  display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center;
}
.quiz-questions > li.missing .q-text { color: #9b2c1f; }
.q-text::before { content: counter(q) ". "; color: var(--bronze); font-weight: 600; }
.q-options { display: flex; gap: 4px; }
.q-options .segmented span { padding: .35rem .85rem; font-size: .88rem; }

.quiz-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.5rem; }

.quiz-result { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--sand); animation: fade .4s ease; }
.meter { height: 10px; background: var(--cream); border-radius: 999px; overflow: hidden; }
.meter-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--sand-dark), var(--bronze)); transition: width .9s cubic-bezier(.2,.8,.2,1); }
.quiz-score { font-family: var(--serif); font-size: 2.4rem; margin: 1rem 0 .3rem; }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem; counter-reset: step; }
.timeline li { counter-increment: step; position: relative; padding-top: 3.6rem; }
.timeline li::before {
  content: counter(step); position: absolute; top: 0; left: 0;
  width: 2.6rem; height: 2.6rem; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--serif); font-size: 1.2rem;
  background: var(--cream); border: 1px solid var(--ink);
}
.timeline li::after {
  content: ""; position: absolute; top: 1.3rem; left: 3rem; right: -1.2rem; height: 1px; background: var(--sand-dark);
}
.timeline li:last-child::after { display: none; }
.timeline h3 { font-size: 1.25rem; }
.timeline p { color: var(--ink-soft); font-size: .95rem; }

/* FAQ */
.faq details { border-top: 1px solid var(--sand-dark); }
.faq details:last-child { border-bottom: 1px solid var(--sand-dark); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.3rem 2.5rem 1.3rem 0; position: relative;
  font-family: var(--serif); font-size: 1.25rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: .3rem; top: 50%; transform: translateY(-50%);
  font-family: var(--sans); font-size: 1.5rem; font-weight: 300; transition: transform .25s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--ink-soft); padding-bottom: 1.2rem; margin: 0; animation: fade .3s ease; }

/* Contact */
.section-contact { background: var(--ink); color: var(--cream); }
.section-contact .eyebrow { color: var(--sand-dark); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 4rem; align-items: start; }
.contact-email {
  display: inline-block; margin-top: 1.5rem; font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem); text-decoration: none;
  border-bottom: 1px solid var(--sand-dark); padding-bottom: .2rem;
}
.contact-email:hover { border-color: var(--cream); }
.contact-card { background: var(--cream); color: var(--ink); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 2.5rem); }
.contact-card .check-list { margin-top: 1rem; }
.contact-note { margin: 1.4rem 0 0; color: var(--ink-soft); font-size: .95rem; }

/* Footer */
.site-footer { background: var(--ink); color: var(--sand-dark); border-top: 1px solid #2c2a26; font-size: .88rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding: 1.6rem 0; }
.footer-inner p { margin: 0; }

/* Reveal animation */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.visible { opacity: 1; transform: none; }

@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Responsive */
@media (max-width: 980px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .ciso { grid-template-columns: 1fr; gap: .4rem; }
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline li { padding: 0 0 2rem 4rem; }
  .timeline li::after { top: 2.8rem; left: 1.3rem; right: auto; bottom: .2rem; width: 1px; height: auto; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--cream); border-bottom: 1px solid var(--sand);
    max-height: 0; overflow: hidden; transition: max-height .35s ease;
  }
  .site-nav.open { max-height: 420px; }
  .site-nav ul { flex-direction: column; align-items: flex-start; gap: 0; padding: .5rem 1.25rem 1.25rem; }
  .site-nav li { width: 100%; }
  .site-nav a { display: block; padding: .8rem 0; }
  .nav-cta { display: inline-block !important; margin-top: .5rem; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-card { margin-left: 1.5rem; }
  .hero-aside { width: 28px; }
  .hero-text { padding-left: 1.5rem; }
  .panel-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }
  .quiz-questions > li { grid-template-columns: 1fr; gap: .6rem; }
  .tab-list [role="tab"] { font-size: 1.05rem; padding: .7rem .8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .hero-aside, .quiz { display: none; }
  .section-alt, .section-contact { background: none; color: var(--ink); }
}