/* SignalRoute Core — Layer C: structured creativity */

:root {
  --color-bg: #f7f5f0;
  --color-surface: #ffffff;
  --color-ink: #1a2634;
  --color-ink-muted: #4a5d6e;
  --color-primary: #0f2b3d;
  --color-accent: #c4923a;
  --color-accent-light: #e8d5a8;
  --color-border: #dde3e8;
  --color-success: #2d6a4f;
  --color-error: #9b2226;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(15, 43, 61, 0.08);
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-bg);
}

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

a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--color-accent); }

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

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 0; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 240, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-primary);
  text-decoration: none;
}

.logo:hover { color: var(--color-accent); }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--color-ink);
}

.main-nav a:hover { color: var(--color-accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    display: none;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background: transparent;
  color: var(--color-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
}

.hero {
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

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

.hero-split .hero-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

@media (max-width: 768px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero { padding: 2.5rem 0; }
}

.section { padding: 4rem 0; }
.section-alt { background: var(--color-surface); }

.section-header {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section-header p {
  color: var(--color-ink-muted);
  font-size: 1.125rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.card:hover { transform: translateY(-4px); }

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-body { padding: 1.5rem; }
.card-body h3 { margin-top: 0; }

.card-meta {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  margin-bottom: 0.5rem;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 3rem 0;
}

.feature-item { text-align: center; padding: 1.5rem; }

.feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: var(--color-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

@media (max-width: 768px) {
  .feature-strip { grid-template-columns: 1fr; }
}

.testimonial {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
  margin-bottom: 1.5rem;
}

.testimonial cite {
  display: block;
  margin-top: 1rem;
  font-style: normal;
  font-weight: 600;
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.form-error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.form-success {
  background: #d8f3dc;
  color: var(--color-success);
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.form-failure {
  background: #fde8e8;
  color: var(--color-error);
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.site-footer {
  background: var(--color-primary);
  color: #c8d4dc;
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

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

.footer-brand .logo { color: #fff; }
.footer-brand p { font-size: 0.9375rem; margin-top: 0.75rem; }

.footer-links h3 {
  color: #fff;
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
}

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

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

.footer-links a {
  color: #c8d4dc;
  text-decoration: none;
}

.footer-links a:hover { color: var(--color-accent-light); }

.site-footer address { font-style: normal; }
.site-footer address p { margin-bottom: 0.375rem; font-size: 0.9375rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1.5rem;
  font-size: 0.875rem;
  text-align: center;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

.page-hero {
  padding: 3rem 0 2rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a4a6e 100%);
  color: #fff;
}

.page-hero h1 { color: #fff; }
.page-hero p { color: #c8d4dc; max-width: 600px; }

.prose { max-width: 720px; }
.prose h2 { margin-top: 2rem; }
.prose ul, .prose ol { padding-left: 1.5rem; }

.pricing-block {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

.pricing-block h3 { margin-top: 0; }

.price-tag {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-accent);
  margin: 0.5rem 0;
}

.glossary-list dt {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-primary);
  margin-top: 1.5rem;
}

.glossary-list dd {
  margin-left: 0;
  margin-bottom: 1rem;
  color: var(--color-ink-muted);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 1.25rem;
  z-index: 200;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
  display: none;
}

.cookie-banner.is-visible { display: block; }

.cookie-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cookie-inner p {
  margin: 0;
  flex: 1;
  min-width: 240px;
  font-size: 0.9375rem;
}

.cookie-inner a { color: var(--color-accent-light); }

.cookie-actions { display: flex; gap: 0.75rem; }
.cookie-actions .btn { border-color: #fff; }

.cookie-actions .btn-reject {
  background: transparent;
  color: #fff;
}

.cookie-actions .btn-reject:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.error-page { text-align: center; padding: 6rem 1rem; }

.error-page h1 {
  font-size: 6rem;
  color: var(--color-accent);
  margin: 0;
}

.legal-content { padding: 3rem 0; }
.legal-content h2 { font-size: 1.375rem; margin-top: 2rem; }

.cookies-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
}

.cookies-table th,
.cookies-table td {
  border: 1px solid var(--color-border);
  padding: 0.75rem;
  text-align: left;
}

.cookies-table th { background: var(--color-surface); }

.service-detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.service-sidebar {
  background: var(--color-surface);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: sticky;
  top: 5rem;
}

.service-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-sidebar li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .service-detail-grid { grid-template-columns: 1fr; }
  .service-sidebar { position: static; }
}

.article-header { margin-bottom: 2rem; }

.article-meta {
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
}

.article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
}

.article-cover img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.script-error {
  background: #fde8e8;
  color: var(--color-error);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin: 0.5rem 0;
}