/* ============================================================
   BURNT THUMB WORKS — Site layout (light / book-page)
   Reset, header, hero, sections, footer, responsive.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background-color: var(--bg-base);
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* faint paper grain — darkens slightly to read as fibre, not glare */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg { max-width: 100%; display: block; }
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 3px; }
::selection { background: var(--ember-600); color: #FBF1E2; }

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--ember-600); outline-offset: 2px; border-radius: var(--radius-sm);
}
.skip-link {
  position: absolute; left: 12px; top: -52px; z-index: 200;
  background: var(--ember-600); color: var(--accent-fg);
  padding: 10px 16px; border-radius: var(--radius-md);
  font-weight: var(--weight-semibold); font-size: var(--text-sm); transition: top .16s;
}
.skip-link:focus { top: 12px; text-decoration: none; }

/* ---- Shared layout ---- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--space-6); padding-right: var(--space-6); }
.wrap--prose { max-width: 820px; }
.section { position: relative; z-index: 1; padding: var(--space-20) 0; }
.section--alt { background: linear-gradient(180deg, #2A2114 0%, #241C10 100%); border-top: 1px solid #4A3D29; border-bottom: 1px solid #4A3D29; }
.section--alt .section__title { color: #F4EAD5; }
.section--alt .section__lede { color: #CBBE9F; }
.section--alt .eyebrow { color: var(--brass-300); }
.section--tight { padding: var(--space-16) 0; }
.section__head { margin-bottom: var(--space-12); max-width: var(--maxw-prose); }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section__title {
  font-family: var(--font-serif); font-weight: var(--weight-semibold);
  font-size: var(--text-3xl); line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight); color: var(--fg-strong); margin: 0;
}
.section__lede {
  font-family: var(--font-serif); font-size: var(--text-lg);
  line-height: var(--leading-relaxed); color: var(--fg-2); margin: var(--space-4) 0 0;
}

/* editorial hairline rule with a brass tick */
.rule { height: 1px; background: var(--border-default); border: 0; margin: 0; }
.kicker-rule { display: inline-flex; align-items: center; gap: 10px; margin-bottom: var(--space-4); }
.kicker-rule::before { content:""; width: 26px; height: 2px; background: var(--brass-500); }

/* ---- Header / nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(33,25,15,.92);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid #4A3D29;
}
.site-header__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; gap: var(--space-6);
  padding: var(--space-3) var(--space-6);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand__mark {
  height: 42px; width: 42px; border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong); background: var(--surface-2);
  padding: 2px; box-shadow: var(--shadow-sm);
}
.brand__name { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .1em; font-weight: var(--weight-semibold); font-size: 16px; color: #F4EAD5; line-height: 1.05; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 2px; }
.nav__link {
  font-family: var(--font-sans); font-size: var(--text-sm); font-weight: var(--weight-medium);
  color: #CBBE9F; padding: 9px 13px; border-radius: var(--radius-sm);
  min-height: 44px; display: inline-flex; align-items: center;
}
.nav__link:hover { color: #F4EAD5; background: rgba(219,190,120,.12); text-decoration: none; }
.nav__link[aria-current="page"] { color: #F4EAD5; }
.nav__link[aria-current="page"]::after { content:""; }
.nav__cta { margin-left: var(--space-3); }

.nav-toggle {
  display: none; margin-left: auto; width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: rgba(219,190,120,.10); border: 1px solid #5A4A2A;
  border-radius: var(--radius-md); color: #E6D8B8; cursor: pointer;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---- Hero ---- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--border-default); }
.hero__inner {
  position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto;
  padding: var(--space-24) var(--space-6) var(--space-20);
  display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--space-16); align-items: center;
}
.hero__title {
  font-family: var(--font-serif); font-weight: var(--weight-semibold);
  font-size: clamp(36px, 5vw, 58px); line-height: 1.08; letter-spacing: -.018em;
  color: var(--fg-strong); margin: 0; max-width: 15ch; text-wrap: balance;
}
.hero__title em { font-style: normal; color: var(--ember-700); }
.hero__sub {
  font-family: var(--font-serif); font-size: var(--text-xl); line-height: var(--leading-relaxed);
  color: var(--fg-2); max-width: 52ch; margin: var(--space-6) 0 0;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-10); }

/* crest seal — intentional brand mark, framed like a pressed bookplate */
.seal { display: flex; justify-content: center; }
.seal__frame {
  position: relative; width: 100%; max-width: 360px; aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(120% 120% at 50% 30%, var(--surface-2) 0%, var(--parchment-100) 70%, var(--parchment-150) 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
}
.seal__frame::after {
  content:""; position: absolute; inset: 9px; border: 1px solid var(--parchment-300);
  border-radius: var(--radius-md); pointer-events: none;
}
.seal__crest { width: 100%; height: auto; display: block; }
.seal__cap {
  position: absolute; bottom: -13px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--brass-700); background: var(--surface-2); border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill); padding: 4px 14px; white-space: nowrap;
}

/* ---- Grids ---- */
.grid { display: grid; gap: var(--space-5); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--projects { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* ---- Project card extras ---- */
.project__top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); }
.project__meta { display: flex; align-items: center; gap: 7px; margin-top: auto; padding-top: var(--space-5); font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-3); letter-spacing: .04em; }
.project__meta .ic { width: 14px; height: 14px; }
.card__link { display: inline-flex; align-items: center; gap: 6px; margin-top: var(--space-5); font-family: var(--font-sans); font-weight: var(--weight-semibold); font-size: var(--text-sm); color: var(--ember-700); }
.card__link .ic { width: 16px; height: 16px; transition: transform .16s; }
.card--interactive:hover .card__link .ic { transform: translateX(3px); }

/* ---- Method list ---- */
.method { display: flex; gap: var(--space-4); }
.method__icon { color: var(--moss-600); flex-shrink: 0; margin-top: 2px; }
.method__icon svg { width: 22px; height: 22px; }
.method__title { font-family: var(--font-sans); font-weight: var(--weight-bold); font-size: var(--text-md); color: var(--fg-strong); margin: 0 0 5px; }
.method__body { font-family: var(--font-serif); font-size: var(--text-base); line-height: var(--leading-normal); color: var(--fg-2); margin: 0; }

/* ---- Prose (long form) ---- */
.prose { font-family: var(--font-serif); color: var(--fg-1); }
.prose p { font-size: var(--text-md); line-height: var(--leading-relaxed); margin: 0 0 var(--space-5); }
.prose p:first-child::first-letter,
.prose .lede { }
.prose .lede { font-size: var(--text-xl); line-height: var(--leading-relaxed); color: var(--fg-strong); margin: 0 0 var(--space-6); }
.prose h3 { font-family: var(--font-serif); font-size: var(--text-xl); color: var(--fg-strong); margin: var(--space-10) 0 var(--space-3); letter-spacing: -.01em; }

/* ---- Feature list with ticks ---- */
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.ticks li { display: flex; gap: var(--space-3); font-family: var(--font-serif); font-size: var(--text-md); color: var(--fg-1); line-height: var(--leading-normal); }
.ticks .ic { color: var(--moss-600); flex-shrink: 0; margin-top: 3px; width: 18px; height: 18px; }
.ticks strong { font-family: var(--font-sans); font-weight: var(--weight-semibold); color: var(--fg-strong); }

/* ---- CTA band (inverse: ink panel for contrast / weight) ---- */
.cta-band {
  max-width: var(--maxw); margin: 0 auto;
  border-radius: var(--radius-xl); border: 1px solid var(--ash-600);
  background: linear-gradient(180deg, #221A0E 0%, #1A140B 100%);
  padding: var(--space-16) var(--space-12); text-align: center; position: relative; overflow: hidden;
}
.cta-band .eyebrow { color: var(--brass-300); }
.cta-band__title { font-family: var(--font-serif); font-weight: var(--weight-semibold); font-size: var(--text-2xl); color: var(--paper-50, #F4EAD5); margin: 0 0 var(--space-3); letter-spacing: -.01em; }
.cta-band__body { font-family: var(--font-serif); font-size: var(--text-lg); color: #CBBE9F; margin: 0 auto var(--space-8); max-width: 52ch; line-height: var(--leading-relaxed); }
.cta-band__actions { display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; }
.cta-note { font-family: var(--font-mono); font-size: var(--text-xs); color: #9A8B6C; margin-top: var(--space-6); letter-spacing: .04em; }

/* ---- Page header (interior pages) ---- */
.page-head { padding: var(--space-16) 0 var(--space-12); background: linear-gradient(180deg, #2A2114 0%, #20180E 100%); border-bottom: 1px solid #4A3D29; position: relative; z-index: 1; }
.page-head__title { font-family: var(--font-serif); font-weight: var(--weight-semibold); font-size: clamp(32px, 4.4vw, 50px); line-height: 1.1; letter-spacing: -.018em; color: #F4EAD5; margin: 0; max-width: 18ch; text-wrap: balance; }
.page-head__sub { font-family: var(--font-serif); font-size: var(--text-xl); line-height: var(--leading-relaxed); color: #CBBE9F; max-width: 56ch; margin: var(--space-5) 0 0; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: #9A8B6C; margin-bottom: var(--space-5); }
.breadcrumb a { color: #C2B08E; }
.breadcrumb a:hover { color: var(--brass-300); }
/* tag chip reads on the brown header band */
.page-head .tag { background: rgba(219,190,120,.14); color: var(--brass-300); border-color: #5A4A2A; }

/* ---- Footer ---- */
.site-footer { background: var(--bg-shell); border-top: 1px solid var(--border-default); position: relative; z-index: 1; }
.site-footer__inner { max-width: var(--maxw); margin: 0 auto; padding: var(--space-16) var(--space-6) var(--space-10); display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: var(--space-10); }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: var(--space-4); }
.footer-brand img { height: 52px; width: 52px; border-radius: var(--radius-pill); border: 1px solid var(--border-strong); background: var(--surface-2); padding: 3px; }
.footer-brand .nm { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .08em; font-size: 17px; color: var(--fg-strong); line-height: 1.1; }
.footer-col__h { font-family: var(--font-sans); font-weight: var(--weight-bold); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--brass-700); margin: 0 0 var(--space-4); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a, .footer-col span { font-family: var(--font-sans); font-size: var(--text-sm); color: var(--fg-2); }
.footer-col a:hover { color: var(--ember-700); }
.footer-blurb { font-family: var(--font-serif); font-size: var(--text-sm); line-height: var(--leading-normal); color: var(--fg-2); max-width: 36ch; margin: 0; }
.footer-bar { border-top: 1px solid var(--border-default); }
.footer-bar__inner { max-width: var(--maxw); margin: 0 auto; padding: var(--space-5) var(--space-6); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-3); }
.footer-bar__inner span, .footer-bar__inner a { font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-3); letter-spacing: .06em; }

/* ---- 404 ---- */
.error-page { min-height: 64vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: var(--space-16) var(--space-6); position: relative; z-index: 1; }
.error-code { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .04em; font-size: clamp(56px, 12vw, 108px); color: var(--ember-700); margin: 0; line-height: 1; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 940px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .seal { order: -1; }
  .seal__frame { max-width: 280px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .section { padding: var(--space-16) 0; }
  .hero__inner { padding: var(--space-16) var(--space-6) var(--space-12); }
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav--open {
    display: flex; flex-direction: column; align-items: stretch; gap: 2px;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--surface-1); border-bottom: 1px solid var(--border-default);
    padding: var(--space-3) var(--space-4) var(--space-5); margin: 0; box-shadow: var(--shadow-md);
  }
  .nav--open .nav__link { width: 100%; }
  .nav--open .nav__cta { margin: var(--space-2) 0 0; }
  .nav--open .btn { width: 100%; justify-content: center; }
}
@media (max-width: 560px) {
  .grid--4, .grid--3, .grid--2, .field--row { grid-template-columns: 1fr; }
  .site-footer__inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .cta-band { padding: var(--space-12) var(--space-6); }
  .hero__actions .btn, .cta-band__actions .btn { width: 100%; justify-content: center; }
}