/* CogniForge AI — Kiln & Ink */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600&family=Public+Sans:wght@400;600&display=swap');

:root {
  --forge-black: #14100E;
  --oxblood: #3A1D18;
  --copper: #B87333;
  --parchment: #F4ECDF;
  --stone: #9A9086;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Public Sans', system-ui, sans-serif;
  --section-pad: clamp(4rem, 8vw, 8.75rem);
  --max-width: 72rem;
  --hairline: 1px solid currentColor;
  --transition: 0.35s ease;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

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

a {
  color: currentColor;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover { opacity: 0.82; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

h1 { font-size: clamp(2.875rem, 5vw, 5.375rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.375rem, 2vw, 1.75rem); }

p { margin: 0 0 1.25rem; }

ul, ol { margin: 0 0 1.25rem; padding-left: 1.35rem; }

/* Surfaces */
.surface-forge { background: var(--forge-black); color: var(--parchment); }
.surface-parchment { background: var(--parchment); color: var(--forge-black); }
.surface-oxblood { background: var(--oxblood); color: var(--parchment); }
.surface-copper { background: var(--copper); color: var(--forge-black); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.site-header.is-transparent {
  background: transparent;
  color: var(--parchment);
}

.site-header.is-sticky {
  background: var(--parchment);
  color: var(--forge-black);
  box-shadow: 0 1px 0 rgba(20, 16, 14, 0.08);
  padding: 0.85rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span { color: var(--copper); }

.site-header.is-sticky .logo span { color: var(--copper); }

.nav-toggle {
  display: none;
  background: none;
  border: var(--hairline);
  padding: 0.5rem 0.75rem;
  font: inherit;
  cursor: pointer;
  border-radius: 2px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: filter var(--transition), box-shadow var(--transition);
}

.btn:hover {
  filter: brightness(1.08);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
  opacity: 1;
}

.btn-primary.surface-copper { background: var(--copper); color: var(--forge-black); }

.btn-secondary {
  background: transparent;
  color: currentColor;
  border-color: currentColor;
}

.btn-secondary:hover { filter: brightness(1.05); }

/* MAKER'S PLATE Hero */
.hero-makers-plate {
  min-height: 92vh;
  padding-top: 7rem;
  padding-bottom: 0;
  position: relative;
  overflow: hidden;
}

.hero-makers-plate .hero-eyebrow-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--copper);
  margin-bottom: 3rem;
}

.hero-makers-plate .hero-eyebrow-row .est {
  color: var(--copper);
}

.hero-makers-plate .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  position: relative;
  min-height: 55vh;
}

.hero-makers-plate .hero-content {
  position: relative;
  z-index: 2;
  max-width: 36rem;
  padding-bottom: 4rem;
}

.hero-makers-plate .hero-content h1 em {
  font-style: italic;
  color: var(--copper);
}

.hero-makers-plate .hero-sub {
  color: rgba(244, 236, 223, 0.82);
  max-width: 34rem;
  font-size: 1.125rem;
}

.hero-makers-plate .hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-makers-plate .hero-photo {
  position: absolute;
  right: -2%;
  bottom: -8%;
  width: min(52vw, 34rem);
  z-index: 1;
  border: 1px solid var(--copper);
}

.hero-makers-plate .hero-photo img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.hero-makers-plate .trust-strip {
  border-top: 1px solid rgba(154, 144, 134, 0.35);
  padding: 0.75rem 0 2rem;
  font-size: 0.75rem;
  color: var(--stone);
  letter-spacing: 0.04em;
}

/* Page hero (inner pages) */
.page-hero {
  padding: 8.5rem 0 var(--section-pad);
}

.page-hero .lead {
  font-size: 1.2rem;
  max-width: 42rem;
  opacity: 0.88;
}

/* Sections */
.section {
  padding: var(--section-pad) 0;
  position: relative;
}

.section-mark::before {
  content: '';
  position: absolute;
  top: 1.5rem;
  left: 0;
  width: 24px;
  height: 3px;
  background: var(--copper);
}

.surface-forge .section-mark::before,
.surface-oxblood .section-mark::before { background: var(--copper); }
.surface-parchment .section-mark::before { background: var(--copper); }

/* Metrics */
.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-row .num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--copper);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-row .label {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* Stages */
.stage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stage-card {
  padding: 1.75rem;
  border: var(--hairline);
  border-color: rgba(184, 115, 51, 0.35);
  position: relative;
}

.stage-card .stage-num {
  font-family: var(--font-display);
  font-size: 0.875rem;
  color: var(--copper);
  margin-bottom: 0.75rem;
}

/* Service cards */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.service-card {
  padding: 2.5rem 2rem 2rem;
  position: relative;
  border: var(--hairline);
  border-color: rgba(20, 16, 14, 0.12);
}

.service-card .serial {
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  font-family: var(--font-display);
  font-size: 4.5rem;
  opacity: 0.06;
  line-height: 1;
  pointer-events: none;
}

/* Photo grids */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.photo-grid img,
.editorial-photo img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  border: 1px solid rgba(184, 115, 51, 0.4);
}

.editorial-photo {
  margin: 2rem 0;
}

/* Case studies */
.case-list { display: grid; gap: 3rem; }

.case-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.case-item:nth-child(even) .case-text { order: 2; }
.case-item:nth-child(even) .case-img { order: 1; }

.case-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.5rem;
}

/* FAQ */
.faq-list { max-width: 48rem; }

.faq-item {
  border-bottom: var(--hairline);
  border-color: rgba(20, 16, 14, 0.15);
  padding: 1.5rem 0;
}

.faq-item summary {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  padding-right: 2rem;
  position: relative;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  color: var(--copper);
  font-family: var(--font-body);
}

.faq-item[open] summary::after { content: '−'; }

.faq-item .faq-answer { padding-top: 1rem; }

/* Forms */
.form-grid {
  display: grid;
  gap: 1.25rem;
  max-width: 36rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font: inherit;
  border: 1px solid rgba(20, 16, 14, 0.25);
  background: var(--parchment);
  color: var(--forge-black);
  border-radius: 2px;
}

.form-group textarea { min-height: 9rem; resize: vertical; }

.checkbox-group {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.9375rem;
}

.checkbox-group input { width: auto; margin-top: 0.25rem; }

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: var(--section-pad) 0;
}

.cta-band h2 { margin-bottom: 1rem; }
.cta-band p { max-width: 32rem; margin: 0 auto 2rem; opacity: 0.9; }

/* Footer */
.site-footer {
  padding: 3.5rem 0 2rem;
  font-size: 0.9375rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-grid h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-grid li { margin-bottom: 0.5rem; }

.footer-grid a { text-decoration: none; }

.footer-bottom {
  border-top: var(--hairline);
  border-color: rgba(244, 236, 223, 0.2);
  padding-top: 1.5rem;
  font-size: 0.8125rem;
  opacity: 0.75;
}

.surface-parchment .footer-bottom { border-color: rgba(20, 16, 14, 0.15); }

.disclaimer {
  font-size: 0.8125rem;
  opacity: 0.78;
  margin-top: 1.25rem;
  line-height: 1.55;
}

/* Legal prose */
.legal-prose h2 { margin-top: 2.5rem; }
.legal-prose h2:first-child { margin-top: 0; }
.legal-prose h3 { margin-top: 1.75rem; font-size: 1.25rem; }

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 1.5rem;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
}

.cookie-banner[hidden] { display: none; }

.cookie-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cookie-panel {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: var(--hairline);
  border-color: rgba(20, 16, 14, 0.15);
}

.cookie-panel label {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

/* Scroll reveal */
.js .reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal:not(.is-visible) {
  opacity: 0.15;
  transform: translateY(16px);
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal:not(.is-visible) {
    opacity: 1;
    transform: none;
  }
}

/* Two column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* Contact layout */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-block address {
  font-style: normal;
  line-height: 1.7;
}

/* 404 */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: 8rem 0 4rem;
}

.error-page h1 { margin-bottom: 1rem; }

/* Responsive */
@media (max-width: 900px) {
  .hero-makers-plate { min-height: 78vh; }
  .hero-makers-plate .hero-photo {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 2rem;
  }
  .hero-makers-plate .hero-grid { min-height: auto; }
  .stage-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr; }
  .metric-row { grid-template-columns: 1fr; gap: 1.5rem; }
  .case-item { grid-template-columns: 1fr; }
  .case-item:nth-child(even) .case-text,
  .case-item:nth-child(even) .case-img { order: unset; }
  .footer-grid { grid-template-columns: 1fr; }
  .two-col, .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    background: var(--parchment);
    color: var(--forge-black);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  }
  .nav-list.is-open { display: flex; }
  .site-header.is-transparent .nav-list { background: var(--forge-black); color: var(--parchment); }
  .stage-grid { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: 1fr; }
}