/* Datapathbase — contemporary structure + creativity theme */

:root {
  --color-bg: #f5f2ec;
  --color-surface: #ffffff;
  --color-primary: #1a3a4a;
  --color-primary-light: #2a5068;
  --color-accent: #c45d3e;
  --color-accent-hover: #a84d32;
  --color-teal: #2d6a6a;
  --color-text: #2c2c2c;
  --color-text-muted: #5a5a5a;
  --color-border: #e0dbd2;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(26, 58, 74, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 58, 74, 0.1);
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  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-teal);
  text-decoration: none;
  transition: color 0.2s;
}

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, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 var(--space-sm); }

ul, ol { margin: 0; padding: 0; }

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 242, 236, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
}

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

.logo-mark { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: transform 0.2s;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.site-nav a {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
}

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

.site-nav .nav-cta {
  background: var(--color-accent);
  color: #fff;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
}

.site-nav .nav-cta:hover {
  background: var(--color-accent-hover);
  color: #fff;
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }

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

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

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  margin-top: var(--space-xl);
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
}

.footer-brand .logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff;
  display: block;
  margin-bottom: var(--space-sm);
}

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

.footer-links h3,
.footer-contact h3 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
}

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

.footer-links li { margin-bottom: 0.4rem; }

.footer-links a,
.footer-contact a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.footer-links a:hover,
.footer-contact a:hover { color: #fff; }

.footer-contact p { font-size: 0.9rem; margin-bottom: 0.3rem; }

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

.footer-legal ul {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.footer-legal a { color: rgba(255, 255, 255, 0.7); }
.footer-legal a:hover { color: #fff; }

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

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  text-align: center;
}

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

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

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

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

.btn-teal {
  background: var(--color-teal);
  color: #fff;
  border-color: var(--color-teal);
}

.btn-teal:hover {
  background: #245656;
  border-color: #245656;
  color: #fff;
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}

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

.card-body { padding: var(--space-md); }

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

/* Page hero */
.page-hero {
  padding: var(--space-xl) 0 var(--space-lg);
}

.page-hero.compact {
  padding: var(--space-lg) 0;
}

.page-hero .eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

/* Sections */
.section {
  padding: var(--space-lg) 0;
}

.section-alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: var(--space-lg);
  max-width: 640px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* Home hero — asymmetric split */
.hero-home {
  padding: var(--space-xl) 0;
  position: relative;
}

.hero-home .hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero-home .hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.hero-home .hero-title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-home .hero-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin-bottom: var(--space-md);
}

.hero-home .hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

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

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero-visual .accent-block {
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 120px;
  height: 120px;
  background: var(--color-teal);
  border-radius: var(--radius-lg);
  opacity: 0.15;
  z-index: -1;
}

.hero-stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.hero-stats dt {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-primary);
  font-weight: 600;
}

.hero-stats dd {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

@media (max-width: 768px) {
  .hero-home .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
}

/* Service cards */
.service-card a { color: inherit; }
.service-card h3 { margin-bottom: 0.5rem; }
.service-card p { color: var(--color-text-muted); font-size: 0.95rem; }
.service-card .price-hint {
  font-weight: 600;
  color: var(--color-teal);
  font-size: 0.9rem;
  margin-top: var(--space-sm);
}

/* Testimonials */
.testimonial {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.testimonial .quote {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

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

.testimonial .author strong { color: var(--color-text); }

/* Forms */
.form-group { margin-bottom: var(--space-md); }

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

.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-sm);
  background: var(--color-surface);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(45, 106, 106, 0.15);
}

.form-group .error-msg {
  color: #b33;
  font-size: 0.85rem;
  margin-top: 0.3rem;
  display: none;
}

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

.form-status {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  display: none;
}

.form-status.success {
  display: block;
  background: #e8f5e9;
  color: #2e5e32;
  border: 1px solid #a5d6a7;
}

.form-status.error {
  display: block;
  background: #fdecea;
  color: #8b2e2e;
  border: 1px solid #f5c6cb;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.9);
  padding: var(--space-md);
  z-index: 200;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  transform: translateY(100%);
  transition: transform 0.3s;
}

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

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

.cookie-inner p {
  flex: 1;
  font-size: 0.9rem;
  margin: 0;
  min-width: 200px;
}

.cookie-inner a { color: rgba(255, 255, 255, 0.85); text-decoration: underline; }

.cookie-actions {
  display: flex;
  gap: var(--space-sm);
}

.cookie-actions button {
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
}

.cookie-accept {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.cookie-reject {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

/* Legal pages */
.legal-content {
  max-width: 800px;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.legal-content h2 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-content h3 {
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
}

.legal-content ul, .legal-content ol {
  margin-bottom: var(--space-sm);
  padding-left: 1.5rem;
}

.legal-content li { margin-bottom: 0.4rem; }

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: var(--space-md) 0;
}

.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);
  font-weight: 600;
  color: var(--color-primary);
}

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

.article-content {
  max-width: 720px;
  padding-bottom: var(--space-xl);
}

.article-content h2 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.article-content p { margin-bottom: var(--space-sm); }

.blog-card .read-more {
  font-weight: 600;
  font-size: 0.9rem;
}

/* 404 */
.error-page {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.error-page h1 {
  font-size: clamp(4rem, 12vw, 8rem);
  color: var(--color-accent);
  margin-bottom: 0;
}

/* Curriculum timeline */
.timeline {
  position: relative;
  padding-left: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-lg);
  padding-left: var(--space-md);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-surface);
}

.timeline-item h3 { margin-bottom: 0.4rem; }

/* Pricing */
.pricing-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.pricing-block h3 { margin-bottom: var(--space-xs); }

.pricing-block .rate {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.pricing-block ul {
  list-style: none;
  padding: 0;
}

.pricing-block li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.pricing-block li:last-child { border-bottom: none; }

/* Inline script errors */
.js-error {
  background: #fdecea;
  color: #8b2e2e;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  margin: var(--space-sm) 0;
  font-size: 0.9rem;
}

/* Utility */
.text-muted { color: var(--color-text-muted); }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}