/* CTO Teachings Recruiting — Shared Styles */

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

:root {
  --navy: #0a1f3c;
  --navy-light: #122d56;
  --gold: #c9a84c;
  --gold-light: #e2c47a;
  --white: #ffffff;
  --off-white: #f7f8fa;
  --gray-100: #f0f2f5;
  --gray-200: #e2e6ea;
  --gray-600: #6c757d;
  --gray-800: #343a40;
  --text: #1a1a2e;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.10);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.16);
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--white);
}

/* ── Typography ─────────────────────────── */
h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--gold-light); }

/* ── Nav ─────────────────────────────────── */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-brand {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}

.nav-brand span { color: var(--gold); }

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

.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 4px;
  transition: background var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(201,168,76,0.18);
  color: var(--gold);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ── Layout Helpers ──────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

.section-dark {
  background: var(--navy);
  color: var(--white);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 640px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.section-dark .section-subtitle { color: rgba(255,255,255,0.72); }

/* ── Buttons ─────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--navy);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,168,76,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  color: var(--white);
}

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

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

/* ── Cards ───────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.card-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  color: var(--navy);
}

.card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Hero ─────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, #1a3a6e 100%);
  color: var(--white);
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.hero-label {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.25rem;
  max-width: 700px;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.82);
  max-width: 580px;
  margin-bottom: 2.25rem;
  line-height: 1.75;
}

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

/* ── Page Hero (inner pages) ─────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 4rem 0 3.5rem;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ── Stat bar ─────────────────────────────── */
.stat-bar {
  background: var(--gold);
  padding: 2.5rem 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}

.stat-item p {
  font-size: 0.875rem;
  color: var(--navy-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.3rem;
}

/* ── Testimonial ─────────────────────────── */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--gold);
  max-width: 720px;
  margin: 0 auto;
}

.testimonial-card blockquote {
  font-size: 1.1rem;
  color: var(--gray-800);
  font-style: italic;
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.testimonial-card cite {
  font-style: normal;
  font-weight: 700;
  color: var(--navy);
  font-size: 0.9rem;
}

/* ── Blog ─────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}

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

.blog-card-body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-meta {
  font-size: 0.82rem;
  color: var(--gray-600);
  margin-bottom: 0.75rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.blog-meta .dot { color: var(--gray-200); }

.blog-card h3 {
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.blog-card p {
  color: var(--gray-600);
  font-size: 0.92rem;
  line-height: 1.65;
  flex: 1;
}

.blog-card .read-more {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold);
}

.blog-card .read-more:hover { color: var(--navy); }

/* ── Blog Post ───────────────────────────── */
.post-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 4.5rem 0 3.5rem;
}

.post-header .post-meta {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 1rem;
}

.post-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  max-width: 740px;
  margin-bottom: 1rem;
}

.post-header .author-line {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.72);
}

.post-body {
  max-width: 740px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
}

.post-body p { margin-bottom: 1.4rem; color: var(--gray-800); }

.post-body h2 {
  font-size: 1.45rem;
  color: var(--navy);
  margin: 2.5rem 0 1rem;
}

.post-body h3 {
  font-size: 1.2rem;
  color: var(--navy);
  margin: 2rem 0 0.75rem;
}

.post-body ul, .post-body ol {
  margin: 0 0 1.4rem 1.5rem;
}

.post-body li { margin-bottom: 0.5rem; color: var(--gray-800); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--gold);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 3rem;
  transition: gap var(--transition);
}

.back-link:hover { gap: 0.2rem; color: var(--navy); }

/* ── Contact Form ────────────────────────── */
.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.75rem;
  box-shadow: var(--shadow);
  max-width: 620px;
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ── Footer ──────────────────────────────── */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.65);
  padding: 3rem 0 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand .nav-brand { font-size: 1rem; display: block; margin-bottom: 0.75rem; }
.footer-brand p { font-size: 0.875rem; line-height: 1.65; }

.footer-col h4 {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem 1.5rem 0;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  font-size: 0.82rem;
}

/* ── Divider ─────────────────────────────── */
.divider {
  width: 48px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
  margin: 0 0 2rem;
}

/* ── About Page ──────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  margin-bottom: 1.2rem;
  color: var(--gray-800);
}

.highlight-box {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.highlight-box .stat {
  font-size: 3rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.highlight-box p {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

.highlight-box + .highlight-box { margin-top: 1.5rem; }

/* ── Services ────────────────────────────── */
.service-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2.5rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.service-num {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy);
  flex-shrink: 0;
}

.service-content h3 {
  font-size: 1.25rem;
  color: var(--navy);
  margin-bottom: 0.6rem;
}

.service-content p {
  color: var(--gray-600);
  line-height: 1.7;
}

/* ── Responsive ──────────────────────────── */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 1rem 1.5rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    gap: 0.25rem;
  }

  .nav-links.open { display: flex; }

  .nav-links a { padding: 0.75rem 1rem; }

  .site-header { position: relative; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .service-item {
    grid-template-columns: 1fr;
  }

  .service-num { width: 44px; height: 44px; font-size: 1rem; }

  .hero { padding: 4rem 0 3.5rem; }
  .section { padding: 3.5rem 0; }
}