/* FieldCore Technical Desk — Layer C theme */
:root {
  --color-bg: #f7f5f0;
  --color-bg-alt: #edeae3;
  --color-surface: #ffffff;
  --color-text: #1a2332;
  --color-text-muted: #5a6474;
  --color-accent: #c9a227;
  --color-accent-dark: #9a7b1a;
  --color-primary: #1a2332;
  --color-primary-light: #2d3a4f;
  --color-border: #d4cfc4;
  --color-error: #b33a3a;
  --color-success: #2d6a4f;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --shadow-sm: 0 1px 3px rgba(26, 35, 50, 0.08);
  --shadow-md: 0 4px 20px rgba(26, 35, 50, 0.1);
  --radius: 8px;
  --radius-lg: 16px;
  --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-text);
  background: var(--color-bg);
  min-height: 100vh;
}

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

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

a:hover {
  color: var(--color-accent-dark);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  margin-top: 0;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1rem; }

ul, ol { margin: 0 0 1rem; padding-left: 1.25rem; }

/* Layout */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container-narrow {
  max-width: 760px;
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 1rem;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

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

.site-nav {
  display: none;
}

.site-nav.is-open {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-md);
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-list a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  display: block;
  padding: 0.4rem 0;
}

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

.nav-cta {
  background: var(--color-primary);
  color: var(--color-bg) !important;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius);
  text-align: center;
}

.nav-cta:hover {
  background: var(--color-primary-light);
  color: var(--color-bg) !important;
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: block;
    position: static;
    border: none;
    padding: 0;
    box-shadow: none;
    background: transparent;
  }
  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 1.25rem;
  }
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: #e8e4dc;
  margin-top: 4rem;
  padding: 3rem 1.25rem 1.5rem;
}

.footer-grid {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.95rem;
  opacity: 0.85;
}

.site-footer h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.site-footer a {
  color: #e8e4dc;
}

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

.site-footer li {
  margin-bottom: 0.35rem;
}

.footer-bottom {
  max-width: 1140px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 0.9rem;
  opacity: 0.75;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
}

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

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

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

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

.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-bg);
}

/* Hero */
.hero {
  position: relative;
  padding: 4rem 0 3rem;
  overflow: hidden;
}

.hero-split {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 800px) {
  .hero-split {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.hero-eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero-title {
  margin-bottom: 1rem;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
}

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

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

.hero-accent-block {
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 120px;
  height: 120px;
  background: var(--color-accent);
  opacity: 0.3;
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

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

.section-header {
  margin-bottom: 2.5rem;
}

.section-header p {
  color: var(--color-text-muted);
  max-width: 600px;
}

/* Cards */
.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .card-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card-image img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.card-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.card-body h3 {
  margin-bottom: 0.5rem;
}

.card-body p:last-child {
  margin-bottom: 0;
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* Feature strip */
.feature-strip {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .feature-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-item {
  padding: 1.5rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent);
}

.feature-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

/* Testimonial */
.testimonial {
  background: var(--color-surface);
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  margin-bottom: 1rem;
}

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

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  transition: border-color var(--transition);
}

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

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

.form-error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: 0.35rem;
}

.form-status {
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.form-status.success {
  background: #e8f5e9;
  color: var(--color-success);
  border: 1px solid #a5d6a7;
}

.form-status.error {
  background: #fdecea;
  color: var(--color-error);
  border: 1px solid #f5c6cb;
}

/* Page header */
.page-header {
  padding: 3rem 0 2rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-bg);
}

.page-header h1 {
  color: inherit;
}

.page-header p {
  opacity: 0.9;
  max-width: 640px;
}

/* Prose */
.prose h2 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.prose h3 {
  margin-top: 1.5rem;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

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

.data-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
}

/* Pricing */
.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-primary);
  margin: 0.5rem 0;
}

.price-note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Blog */
.article-meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

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

.article-cover img {
  width: 100%;
  aspect-ratio: 21/9;
  object-fit: cover;
}

/* 404 */
.error-page {
  text-align: center;
  padding: 5rem 1rem;
}

.error-code {
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--color-accent);
  line-height: 1;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 1.25rem;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  z-index: 200;
  display: none;
}

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

.cookie-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
}

.cookie-text {
  flex: 1;
  min-width: 200px;
  font-size: 0.95rem;
}

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

.cookie-actions .btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
}

/* Chart lab */
.lab-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 800px) {
  .lab-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.lab-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.lab-step {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.lab-step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

/* Inline script errors */
.script-error {
  background: #fdecea;
  color: var(--color-error);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin: 1rem 0;
  font-size: 0.9rem;
}

/* Utility */
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }