/* FlowField Technical School — Layer C theme */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,400&display=swap');

:root {
  --color-ink: #1a2b3c;
  --color-ink-soft: #3d5166;
  --color-paper: #faf8f5;
  --color-paper-warm: #f3efe8;
  --color-accent: #c9a227;
  --color-accent-dark: #a6851f;
  --color-line: #d9d3c8;
  --color-white: #ffffff;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-soft: 0 4px 24px rgba(26, 43, 60, 0.08);
  --shadow-card: 0 8px 32px rgba(26, 43, 60, 0.1);
  --max-width: 1200px;
  --header-height: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a { color: var(--color-accent-dark); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-ink); }

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

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

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

main { flex: 1; }

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 0 1rem;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
}

.logo em {
  font-style: italic;
  font-weight: 400;
  color: var(--color-ink-soft);
}

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

.main-nav a {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}

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

.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-ink);
  transition: transform 0.3s, opacity 0.3s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}

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

.btn-primary:hover {
  background: var(--color-ink-soft);
  border-color: var(--color-ink-soft);
  color: var(--color-white);
}

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

.btn-outline:hover {
  background: var(--color-ink);
  color: var(--color-white);
}

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

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

.btn-nav {
  padding: 0.5rem 1.1rem;
  background: var(--color-ink);
  color: var(--color-white) !important;
  border-radius: var(--radius-sm);
}

.btn-nav:hover { background: var(--color-ink-soft) !important; color: var(--color-white) !important; }

/* Hero variants */
.hero {
  position: relative;
  overflow: hidden;
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 75vh;
  align-items: center;
}

.hero-content {
  padding: 4rem 2rem 4rem max(1rem, calc((100vw - var(--max-width)) / 2 + 1rem));
}

.hero-visual {
  position: relative;
  height: 100%;
  min-height: 400px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-paper) 0%, transparent 30%);
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 1rem;
}

.hero h1 { margin-bottom: 1.25rem; max-width: 18ch; }

.hero-lead {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  max-width: 42ch;
  margin-bottom: 2rem;
}

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

.hero-compact {
  padding: 5rem 0 4rem;
  background: var(--color-ink);
  color: var(--color-white);
}

.hero-compact h1 { color: var(--color-white); }
.hero-compact .hero-lead { color: rgba(255,255,255,0.8); }
.hero-compact .hero-eyebrow { color: var(--color-accent); }

/* Sections */
.section {
  padding: 5rem 0;
}

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

.section-header {
  max-width: 640px;
  margin-bottom: 3rem;
}

.section-header p { color: var(--color-ink-soft); }

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

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s, box-shadow 0.25s;
}

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

.card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.card:hover .card-image img { transform: scale(1.04); }

.card-body { padding: 1.5rem; }

.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 0.5rem;
}

.card h3 { margin-bottom: 0.75rem; }
.card p { font-size: 0.95rem; color: var(--color-ink-soft); margin-bottom: 1rem; }

/* Feature strip */
.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 3rem 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.feature-item h3 {
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  margin: 0;
}

/* Testimonial */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial {
  background: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-soft);
}

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

.testimonial cite {
  font-style: normal;
  font-size: 0.9rem;
  font-weight: 600;
}

.testimonial .role {
  display: block;
  font-weight: 400;
  color: var(--color-ink-soft);
  font-size: 0.85rem;
}

/* CTA band */
.cta-band {
  background: var(--color-ink);
  color: var(--color-white);
  padding: 4rem 0;
  text-align: center;
}

.cta-band h2 { color: var(--color-white); margin-bottom: 1rem; }
.cta-band p { color: rgba(255,255,255,0.8); max-width: 50ch; margin: 0 auto 2rem; }

/* Page layouts */
.page-hero {
  padding: 4rem 0 3rem;
  background: var(--color-paper-warm);
  border-bottom: 1px solid var(--color-line);
}

.page-hero h1 { margin-bottom: 0.75rem; }
.page-hero .lead { color: var(--color-ink-soft); max-width: 60ch; }

.content-narrow { max-width: 720px; }
.content-wide { max-width: 900px; }

.prose h2 { margin-top: 2.5rem; margin-bottom: 1rem; }
.prose h3 { margin-top: 1.75rem; margin-bottom: 0.75rem; }
.prose ul, .prose ol { margin-bottom: 1.25rem; }
.prose li { margin-bottom: 0.4rem; }

/* Pricing table */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.pricing-table th,
.pricing-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
}

.pricing-table th {
  background: var(--color-ink);
  color: var(--color-white);
  font-weight: 600;
}

.pricing-table tr:last-child td { border-bottom: none; }

.pricing-note {
  background: var(--color-paper-warm);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
  margin: 2rem 0;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.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-line);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  transition: border-color 0.2s;
}

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

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

.form-error {
  color: #b33;
  font-size: 0.85rem;
  margin-top: 0.35rem;
  display: none;
}

.form-group.invalid .form-error { display: block; }
.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea { border-color: #b33; }

.form-success {
  background: #e8f5e9;
  color: #2e7d32;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  display: none;
}

.form-success.visible { display: block; }

.form-fail {
  background: #fdecea;
  color: #c62828;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  display: none;
}

.form-fail.visible { display: block; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info address {
  font-style: normal;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.contact-detail {
  margin-bottom: 1rem;
}

.contact-detail strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  margin-bottom: 0.25rem;
}

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.blog-card-image { aspect-ratio: 16/9; overflow: hidden; }
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; }

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

.blog-meta {
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  margin-bottom: 0.75rem;
}

.article-hero {
  aspect-ratio: 21/9;
  max-height: 420px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
}

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

/* Service detail */
.service-hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 3rem;
}

.service-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 1.5rem 0;
  padding: 1.25rem 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.service-meta dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
}

.service-meta dd {
  font-weight: 600;
  margin: 0;
}

/* Trade journal page */
.journal-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.journal-steps li {
  counter-increment: step;
  padding: 1.5rem 1.5rem 1.5rem 4rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  position: relative;
  box-shadow: var(--shadow-soft);
}

.journal-steps li::before {
  content: counter(step);
  position: absolute;
  left: 1.25rem;
  top: 1.5rem;
  width: 2rem;
  height: 2rem;
  background: var(--color-accent);
  color: var(--color-ink);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Legal pages */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1rem 5rem;
}

.legal-content h2 {
  font-size: 1.35rem;
  margin-top: 2.5rem;
}

.cookies-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

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

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

/* 404 */
.error-page {
  text-align: center;
  padding: 6rem 1rem;
}

.error-page h1 {
  font-size: 6rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.75);
  padding: 4rem 1rem 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  max-width: var(--max-width);
  margin: 0 auto 3rem;
}

.footer-brand .logo { color: var(--color-white); margin-bottom: 1rem; }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; }

.footer-links h3,
.footer-contact h3 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-links ul { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 0.9rem; }
.footer-links a:hover { color: var(--color-accent); }

.footer-contact address {
  font-style: normal;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-contact a { color: rgba(255,255,255,0.7); text-decoration: none; }
.footer-contact a:hover { color: var(--color-accent); }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 0.85rem;
}

.footer-legal ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-legal a { color: rgba(255,255,255,0.6); text-decoration: none; }
.footer-legal a:hover { color: var(--color-accent); }

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
  box-shadow: 0 -4px 24px rgba(26, 43, 60, 0.12);
  padding: 1.25rem 1.5rem;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.35s ease;
}

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

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

.cookie-text {
  flex: 1;
  min-width: 260px;
  font-size: 0.9rem;
  color: var(--color-ink-soft);
}

.cookie-text a { color: var(--color-accent-dark); }

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-actions .btn { padding: 0.6rem 1.2rem; font-size: 0.9rem; }

.btn-reject {
  background: transparent;
  color: var(--color-ink-soft);
  border: 1px solid var(--color-line);
}

.btn-reject:hover {
  background: var(--color-paper-warm);
  color: var(--color-ink);
}

/* Script error */
.script-error {
  background: #fdecea;
  color: #c62828;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin: 1rem;
  display: none;
}

.script-error.visible { display: block; }

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.team-member {
  text-align: center;
}

.team-member img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 4px solid var(--color-paper-warm);
}

.team-member h3 { margin-bottom: 0.25rem; }
.team-member .title {
  font-size: 0.9rem;
  color: var(--color-accent-dark);
  margin-bottom: 0.75rem;
}

.team-member p { font-size: 0.9rem; color: var(--color-ink-soft); }

/* Responsive */
@media (max-width: 900px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-visual { min-height: 280px; order: -1; }
  .hero-visual::before { background: linear-gradient(180deg, transparent 60%, var(--color-paper) 100%); }
  .hero-content { padding: 2rem 1rem; }
  .feature-strip { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-hero { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-line);
    padding: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav li { border-bottom: 1px solid var(--color-line); }
  .main-nav a { display: block; padding: 0.85rem 0; }
  .main-nav .btn-nav { text-align: center; margin-top: 0.5rem; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; text-align: center; }
}