/* ThoughtBase Studio — Library Archive Theme */
:root {
  --archive-sepia: #78350F;
  --page-warm: #FEF3C7;
  --deep-navy: #0C4A6E;
  --shelf: #A8A29E;
  --accent-emerald: #059669;
  --text-dark: #1C1917;
  --text-muted: #57534E;
  --white: #FFFBEB;
  --border: #D6D3D1;
  --shadow: rgba(12, 74, 110, 0.12);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --max-width: 1200px;
  --header-height: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 18px; }

body {
  font-family: var(--font-body);
  background-color: var(--page-warm);
  color: var(--text-dark);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a { color: var(--deep-navy); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--accent-emerald); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  color: var(--archive-sepia);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 1rem; }
h3 { font-size: 1.35rem; margin-bottom: 0.75rem; }

p { margin-bottom: 1rem; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--deep-navy);
  border-bottom: 4px solid var(--archive-sepia);
  box-shadow: 0 2px 12px var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--page-warm);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--archive-sepia);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--page-warm);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--page-warm);
}

.logo-tagline {
  font-size: 0.65rem;
  color: var(--shelf);
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--page-warm);
  color: var(--page-warm);
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  font-family: var(--font-body);
  border-radius: 4px;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}

.main-nav a {
  color: var(--page-warm);
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: 4px;
  font-size: 0.95rem;
  transition: background 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(254, 243, 199, 0.15);
  color: var(--page-warm);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--deep-navy) 0%, #0E7490 100%);
  color: var(--page-warm);
  padding: 4rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/images/sala-archive.jpg') center/cover no-repeat;
  opacity: 0.18;
}

.hero .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: var(--archive-sepia);
  color: var(--page-warm);
  padding: 0.35rem 0.9rem;
  border-radius: 4px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero h1 { color: var(--page-warm); margin-bottom: 1.25rem; }

.hero-lead {
  font-size: 1.15rem;
  opacity: 0.95;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent-emerald);
  color: var(--white);
  border-color: var(--accent-emerald);
}

.btn-primary:hover {
  background: #047857;
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--page-warm);
  border-color: var(--page-warm);
}

.btn-secondary:hover {
  background: rgba(254, 243, 199, 0.15);
  color: var(--page-warm);
}

.btn-outline {
  background: transparent;
  color: var(--deep-navy);
  border-color: var(--deep-navy);
}

.btn-outline:hover {
  background: var(--deep-navy);
  color: var(--page-warm);
}

.hero-visual {
  border: 6px solid var(--archive-sepia);
  border-radius: 4px;
  box-shadow: 12px 12px 0 var(--shelf);
  overflow: hidden;
}

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

/* Stats */
.stats-bar {
  background: var(--archive-sepia);
  color: var(--page-warm);
  padding: 2.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  display: block;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* Sections */
section { padding: 4rem 0; }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.section-header p { color: var(--text-muted); font-size: 1.05rem; }

.section-alt { background: var(--white); }

.section-shelf {
  background: var(--shelf);
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 39px,
    rgba(120, 53, 15, 0.08) 39px,
    rgba(120, 53, 15, 0.08) 40px
  );
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.card {
  background: var(--white);
  border: 2px solid var(--border);
  border-top: 4px solid var(--archive-sepia);
  border-radius: 4px;
  padding: 1.75rem;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 8px 24px var(--shadow);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--page-warm);
  border: 2px solid var(--archive-sepia);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--archive-sepia);
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.card h3 { color: var(--deep-navy); }

.card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 0; }

/* Process strip */
.process-strip {
  background: var(--deep-navy);
  color: var(--page-warm);
  padding: 3.5rem 0;
}

.process-strip h2 { color: var(--page-warm); text-align: center; margin-bottom: 2.5rem; }

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.process-step {
  text-align: center;
  padding: 1.5rem 1rem;
  border: 1px solid rgba(254, 243, 199, 0.25);
  border-radius: 4px;
}

.step-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent-emerald);
  display: block;
  margin-bottom: 0.5rem;
}

.process-step h3 { color: var(--page-warm); font-size: 1.1rem; }

.process-step p { font-size: 0.9rem; opacity: 0.85; margin: 0; }

/* Case study */
.case-study {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.case-study img {
  border: 4px solid var(--archive-sepia);
  border-radius: 4px;
}

.case-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

.case-meta span {
  background: var(--page-warm);
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.testimonial {
  background: var(--white);
  border-left: 4px solid var(--accent-emerald);
  padding: 1.75rem;
  border-radius: 0 4px 4px 0;
  box-shadow: 0 2px 8px var(--shadow);
}

.testimonial blockquote {
  font-style: italic;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.testimonial cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.testimonial cite strong { color: var(--deep-navy); display: block; }

/* Mini FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border: 2px solid var(--border);
  border-radius: 4px;
  margin-bottom: 1rem;
  background: var(--white);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--deep-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--archive-sepia);
  transition: transform 0.2s;
}

.faq-item.open .faq-question::after { transform: rotate(45deg); }

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
}

.faq-item.open .faq-answer { display: block; }

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--archive-sepia), #92400E);
  color: var(--page-warm);
  text-align: center;
  padding: 4rem 0;
}

.cta-section h2 { color: var(--page-warm); margin-bottom: 1rem; }

.cta-section p { max-width: 600px; margin: 0 auto 2rem; opacity: 0.95; }

/* Footer */
.site-footer {
  background: var(--deep-navy);
  color: var(--shelf);
  padding: 3.5rem 0 1.5rem;
  margin-top: auto;
}

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

.footer-brand .logo-text { font-size: 1.1rem; }

.footer-brand p { font-size: 0.9rem; margin-top: 1rem; line-height: 1.6; }

.footer-col h4 {
  color: var(--page-warm);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  font-family: var(--font-display);
}

.footer-col ul { list-style: none; }

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

.footer-col a {
  color: var(--shelf);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-col a:hover { color: var(--page-warm); }

.footer-bottom {
  border-top: 1px solid rgba(168, 162, 158, 0.3);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer-legal { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-legal a { color: var(--shelf); text-decoration: none; }
.footer-legal a:hover { color: var(--page-warm); }

/* Page hero (inner pages) */
.page-hero {
  background: var(--deep-navy);
  color: var(--page-warm);
  padding: 3rem 0;
  border-bottom: 4px solid var(--archive-sepia);
}

.page-hero h1 { color: var(--page-warm); margin-bottom: 0.75rem; }

.page-hero p { opacity: 0.9; max-width: 640px; margin: 0; }

.breadcrumb {
  font-size: 0.85rem;
  margin-bottom: 1rem;
  opacity: 0.75;
}

.breadcrumb a { color: var(--page-warm); text-decoration: none; }

/* Content pages */
.content-section { padding: 3rem 0 4rem; }

.content-narrow { max-width: 800px; margin: 0 auto; }

.content-wide { max-width: 960px; margin: 0 auto; }

.content-section h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--shelf);
}

.content-section h2:first-child { margin-top: 0; }

.content-section ul, .content-section ol {
  margin: 0 0 1rem 1.5rem;
  color: var(--text-muted);
}

.content-section li { margin-bottom: 0.5rem; }

.content-section .legal-updated {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-style: italic;
}

/* Solutions grid */
.solution-card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.solution-card-header {
  background: var(--deep-navy);
  color: var(--page-warm);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.solution-id {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent-emerald);
}

.solution-card-body { padding: 1.5rem; flex: 1; }

.solution-card-body p { font-size: 0.95rem; color: var(--text-muted); }

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.solution-tag {
  background: var(--page-warm);
  border: 1px solid var(--border);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--archive-sepia);
}

/* Contact form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-block {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 4px;
  padding: 2rem;
}

.contact-info-block h3 { color: var(--deep-navy); margin-bottom: 1.25rem; }

.contact-detail {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.contact-detail strong { color: var(--archive-sepia); min-width: 80px; }

.contact-form {
  background: var(--white);
  border: 2px solid var(--border);
  border-top: 4px solid var(--accent-emerald);
  border-radius: 4px;
  padding: 2rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  color: var(--deep-navy);
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--page-warm);
  color: var(--text-dark);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--deep-navy);
}

.form-group textarea { min-height: 140px; resize: vertical; }

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.form-checkbox input { margin-top: 0.3rem; width: auto; }

.form-checkbox label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
}

.form-checkbox label .form-error {
  display: none;
  margin-top: 0.35rem;
}

.form-checkbox.error label .form-error { display: block; }

.form-error {
  color: #B91C1C;
  font-size: 0.85rem;
  margin-top: 0.35rem;
  display: none;
}

.form-group.error .form-error { display: block; }
.form-group.error input,
.form-group.error textarea,
.form-group.error select { border-color: #B91C1C; }

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--deep-navy);
  color: var(--page-warm);
  padding: 1.25rem 1.5rem;
  z-index: 9999;
  box-shadow: 0 -4px 20px var(--shadow);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.cookie-banner.visible { transform: translateY(0); }

.cookie-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-text { flex: 1; min-width: 280px; font-size: 0.9rem; }
.cookie-text a { color: var(--accent-emerald); }

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

.cookie-actions .btn { padding: 0.55rem 1.1rem; font-size: 0.9rem; }

.btn-cookie-accept { background: var(--accent-emerald); color: var(--white); border-color: var(--accent-emerald); }
.btn-cookie-reject { background: transparent; color: var(--page-warm); border-color: var(--shelf); }
.btn-cookie-settings { background: var(--archive-sepia); color: var(--page-warm); border-color: var(--archive-sepia); }

/* Cookie settings modal */
.cookie-modal {
  position: fixed;
  inset: 0;
  background: rgba(12, 74, 110, 0.6);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.cookie-modal.open { display: flex; }

.cookie-modal-content {
  background: var(--white);
  border-radius: 4px;
  max-width: 520px;
  width: 100%;
  padding: 2rem;
  border-top: 4px solid var(--archive-sepia);
}

.cookie-modal-content h3 { color: var(--deep-navy); margin-bottom: 1rem; }

.cookie-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.cookie-option label { font-weight: 600; color: var(--text-dark); }

.cookie-option p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

.cookie-toggle {
  position: relative;
  width: 48px;
  height: 26px;
}

.cookie-toggle input { opacity: 0; width: 0; height: 0; }

.cookie-toggle span {
  position: absolute;
  inset: 0;
  background: var(--shelf);
  border-radius: 26px;
  cursor: pointer;
  transition: background 0.2s;
}

.cookie-toggle span::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  left: 3px;
  bottom: 3px;
  background: var(--white);
  border-radius: 50%;
  transition: transform 0.2s;
}

.cookie-toggle input:checked + span { background: var(--accent-emerald); }
.cookie-toggle input:checked + span::before { transform: translateX(22px); }
.cookie-toggle input:disabled + span { opacity: 0.6; cursor: not-allowed; }

.modal-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; justify-content: flex-end; }

/* Image with caption */
.figure-block {
  margin: 2rem 0;
  border: 2px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--white);
}

.figure-block img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

.figure-caption {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--page-warm);
  border-top: 1px solid var(--border);
}

/* Two column content */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* Service detail */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 2px solid var(--border);
}

.service-block:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.service-block img {
  border: 3px solid var(--archive-sepia);
  border-radius: 4px;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .case-study, .contact-grid, .two-col, .service-block { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--deep-navy);
    display: none;
    border-bottom: 4px solid var(--archive-sepia);
  }

  .main-nav.open { display: block; }

  .main-nav ul {
    flex-direction: column;
    padding: 1rem;
  }

  .main-nav a { display: block; padding: 0.75rem 1rem; }

  .stats-grid, .process-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cookie-inner { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}