/* Meridian Foundry — core stylesheet */

:root {
  --ink: #222b2c;
  --ink-soft: #2e3839;
  --bronze: #9c763f;
  --bronze-deep: #7a5a2f;
  --paper: #f6f2ea;
  --paper-deep: #ede7da;
  --rule: #d9d1bf;
  --muted: #5b6364;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --measure: 68ch;
  --page-max: 1120px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: 8rem;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Skip link */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1rem;
  z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 36;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.12;
}
h1 { font-size: clamp(2.4rem, 5.4vw, 4.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p { max-width: var(--measure); }
.lead { font-size: 1.125rem; color: var(--ink-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze-deep);
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--bronze);
  display: inline-block;
}

/* Links — shared slide-in underline */
a.link,
.prose a,
.nav a,
.hero-more,
.contact-email,
.foot-links a {
  background-image: linear-gradient(var(--bronze), var(--bronze));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size 220ms ease, color 220ms ease;
}
a.link:hover,
.prose a:hover,
.nav a:hover,
.hero-more:hover,
.contact-email:hover,
.foot-links a:hover {
  background-size: 100% 1px;
}

a.link { color: var(--ink); }
.prose a { color: var(--bronze-deep); }

/* Focus */
:where(a, button, input, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Layout container */
.wrap {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  transition:
    padding 420ms cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 260ms ease;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.site-header .logo {
  height: 60px;
  width: auto;
  transition: height 420ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.nav a:hover { color: var(--bronze-deep); }

/* Expanded masthead state — home page, top of scroll */
.site-header--expanded {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(1.5rem, 4vw, 2.75rem);
  border-bottom-color: transparent;
}
.site-header--expanded .logo {
  height: clamp(96px, 12vw, 150px);
}

@media (max-width: 560px) {
  .site-header .wrap { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .nav { width: 100%; justify-content: space-between; gap: 0.5rem; }
  .site-header--expanded .wrap { align-items: center; }
  .site-header--expanded .logo { height: clamp(56px, 18vw, 84px); }
}

/* Section base */
.section {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--rule);
}
.section--deep { background: var(--paper-deep); }
.section:last-of-type { border-bottom: 0; }

/* Hero */
.hero { padding: var(--space-5) 0 var(--space-6); }
.hero h1 { margin-top: var(--space-2); max-width: 18ch; }
.hero .lead { margin-top: var(--space-3); font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--ink-soft); max-width: 56ch; }
.hero-meridian {
  margin-top: var(--space-5);
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--bronze);
}
.hero-meridian::before,
.hero-meridian::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background-image: linear-gradient(to right, currentColor 50%, transparent 50%);
  background-size: 12px 1px;
  background-repeat: repeat-x;
}
.hero-meridian__node {
  width: 10px;
  height: 10px;
  border: 1px solid currentColor;
  border-radius: 50%;
  flex: 0 0 auto;
}
.hero-more {
  margin-top: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-more:hover { color: var(--bronze-deep); }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: var(--space-5);
  align-items: start;
}
.about-grid h2 { max-width: 12ch; }
.about-grid .prose p + p { margin-top: 1rem; }

@media (max-width: 820px) {
  .about-grid { grid-template-columns: 1fr; gap: var(--space-3); }
}

/* Products */
.products-lead { margin-bottom: var(--space-5); max-width: 62ch; color: var(--ink-soft); }

.product-card {
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem 2rem;
  position: relative;
}
.product-card::before,
.product-card::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--bronze);
  border-style: solid;
}
.product-card::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.product-card::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

.product-card__mark {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: var(--bronze-deep);
  border: 1px solid var(--bronze);
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
}
.product-card h3 { font-size: clamp(1.5rem, 2.5vw, 1.875rem); }
.product-card .tagline {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--muted);
  margin-top: 0.25rem;
}
.product-card p { margin-top: 0.75rem; }
.chip {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.3rem 0.7rem;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--bronze);
  color: var(--bronze-deep);
}

@media (max-width: 560px) {
  .product-card { grid-template-columns: 1fr; gap: 1rem; }
}

.categories {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}
.category {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.category svg { flex: 0 0 auto; width: 22px; height: 22px; color: var(--bronze); }

@media (max-width: 820px) { .categories { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .categories { grid-template-columns: 1fr; } }

/* Approach */
.values {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--space-5);
  row-gap: var(--space-3);
  counter-reset: v;
}
.values > li {
  counter-increment: v;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  align-items: baseline;
  gap: 0.25rem 1rem;
}
.values > li::before {
  content: counter(v, decimal-leading-zero);
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--bronze);
  grid-row: span 2;
}
.values h3 {
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--ink);
}
.values p {
  grid-column: 2;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 720px) { .values { grid-template-columns: 1fr; } }

/* Contact */
.contact { text-align: left; }
.contact h2 { margin-bottom: var(--space-2); }
.contact p { color: var(--ink-soft); }
.contact-email {
  display: inline-block;
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--ink);
  padding-bottom: 0.1em;
}

/* Footer */
.site-footer {
  padding: var(--space-4) 0 var(--space-4);
  background: var(--paper);
  color: var(--ink-soft);
  border-top: 1px solid var(--rule);
}
.site-footer .wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: center;
}
.site-footer .mark {
  width: 108px;
  height: 108px;
}
.site-footer .foot-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.foot-links { display: flex; gap: 1.5rem; }
.foot-links a { color: var(--ink-soft); }
.foot-links a:hover { color: var(--ink); }

@media (max-width: 620px) {
  .site-footer .wrap { grid-template-columns: 1fr; gap: var(--space-2); }
  .site-footer .foot-right { align-items: flex-start; }
}

/* Prose pages (privacy, support) */
.page-header { padding: var(--space-6) 0 var(--space-4); border-bottom: 1px solid var(--rule); }
.page-header .eyebrow { margin-bottom: var(--space-2); }
.page-header h1 { max-width: 22ch; }
.page-header .updated { margin-top: var(--space-2); color: var(--muted); font-size: 0.9rem; }

.prose {
  padding: var(--space-5) 0 var(--space-6);
  max-width: 68ch;
}
.prose h2 {
  font-size: 1.4rem;
  margin-top: var(--space-4);
  margin-bottom: 0.75rem;
}
.prose h2:first-of-type { margin-top: 0; }
.prose h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-top: var(--space-3);
  margin-bottom: 0.25rem;
}
.prose p + p, .prose ul + p, .prose p + ul { margin-top: 0.85rem; }
.prose ul { padding-left: 1.2rem; }
.prose ul li { list-style: disc; margin-bottom: 0.35rem; color: var(--ink-soft); }
.prose a { color: var(--ink); }

/* FAQ */
.faq details {
  border-top: 1px solid var(--rule);
  padding: 1rem 0;
}
.faq details:last-of-type { border-bottom: 1px solid var(--rule); }
.faq summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  color: var(--bronze);
  font-family: var(--font-body);
  font-size: 1.5rem;
  line-height: 1;
  transition: transform 200ms ease;
}
.faq details[open] summary::after { content: "−"; }
.faq details > p { margin-top: 0.75rem; color: var(--ink-soft); }