/* ============================================
   IATL — The Institute of Applied Thought Leadership
   Static site stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300;1,9..40,400&display=swap');

/* --- Variables --- */
:root {
  --navy: #1a2744;
  --navy-light: #2a3d5e;
  --gold: #c9a84c;
  --gold-light: #e0c97a;
  --cream: #f8f6f1;
  --cream-dark: #eee9df;
  --text: #2c2c2c;
  --text-light: #6b6b6b;
  --white: #ffffff;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --max-width: 1200px;
  --transition: 0.3s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold); }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

/* --- Utility --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* --- Header / Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 3px solid var(--gold);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--white);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.site-logo span { color: var(--gold); }

.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.3rem 0;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 30px; height: 24px;
  position: relative;
}
.nav-toggle span {
  display: block; width: 100%; height: 2px;
  background: var(--white);
  position: absolute; left: 0;
  transition: all 0.3s ease;
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 22px; }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 1rem 2rem 1.5rem;
    gap: 0;
    border-bottom: 3px solid var(--gold);
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-top: 1px solid rgba(255,255,255,0.1); }
  .nav-links a { display: block; padding: 0.8rem 0; }
}

/* --- Hero Section --- */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 6rem 2rem 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(201,168,76,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 60%, rgba(42,61,94,0.4) 0%, transparent 50%);
  pointer-events: none;
}
.hero-content { position: relative; max-width: 780px; margin: 0 auto; }
.hero h1 { margin-bottom: 1.2rem; }
.hero h1 em { font-style: italic; color: var(--gold); }
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 0.5rem;
}

/* --- Page Header (inner pages) --- */
.page-header {
  background: var(--navy);
  color: var(--white);
  padding: 3.5rem 2rem 3rem;
  text-align: center;
}
.page-header h1 { margin-bottom: 0.3rem; }
.page-header p {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0.5rem auto 0;
}

/* --- Section --- */
.section {
  padding: 4.5rem 0;
}
.section--alt {
  background: var(--white);
}
.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 50px; height: 3px;
  background: var(--gold);
  margin: 0.8rem auto 0;
}

/* --- About / Content Blocks --- */
.content-block {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--text);
}
.content-block p { margin-bottom: 1.3rem; }
.content-block p:last-child { margin-bottom: 0; }

/* --- Expertise Cards --- */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.expertise-card {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: 6px;
  padding: 2.2rem 2rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.expertise-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(26,39,68,0.08);
}
.expertise-card h3 {
  color: var(--navy);
  margin-bottom: 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
}
.expertise-card p {
  color: var(--text-light);
  font-size: 0.97rem;
  line-height: 1.7;
}

/* --- Team Grid --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.team-card {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.team-card:hover {
  box-shadow: 0 8px 30px rgba(26,39,68,0.08);
}

.team-card-header {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.5rem 1.5rem 1.2rem;
  cursor: pointer;
  user-select: none;
}

.team-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.team-card-info h3 { font-size: 1.15rem; margin-bottom: 0.15rem; }
.team-card-role {
  font-size: 0.88rem;
  color: var(--gold);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.team-card-toggle {
  margin-left: auto;
  width: 28px; height: 28px;
  border: 1px solid var(--cream-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), background var(--transition);
  flex-shrink: 0;
  background: transparent;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-light);
}
.team-card.open .team-card-toggle {
  transform: rotate(180deg);
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.team-card-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.team-card.open .team-card-body {
  max-height: 600px;
}
.team-card-content {
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--cream-dark);
  padding-top: 1.2rem;
}
.team-card-content p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.team-links {
  display: flex; gap: 1rem;
  margin-top: 0.8rem;
}
.team-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--navy);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}
.team-links a:hover { color: var(--gold); }

/* --- Blog --- */
.blog-list { max-width: 780px; margin: 0 auto; }

.blog-entry {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: 6px;
  padding: 2rem 2.2rem;
  margin-bottom: 1.5rem;
  transition: box-shadow var(--transition);
}
.blog-entry:hover {
  box-shadow: 0 8px 30px rgba(26,39,68,0.08);
}
.blog-entry h3 a { color: var(--navy); }
.blog-entry h3 a:hover { color: var(--gold); }
.blog-meta {
  font-size: 0.88rem;
  color: var(--text-light);
  margin: 0.4rem 0 0.8rem;
}
.blog-excerpt {
  font-size: 0.97rem;
  color: var(--text-light);
  line-height: 1.7;
}
.read-more {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}
.read-more:hover { color: var(--gold); }

/* Blog post full */
.blog-post { max-width: 780px; margin: 0 auto; }
.blog-post h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 0.5rem; }
.blog-post .blog-meta { margin-bottom: 2rem; }
.blog-post-content p { margin-bottom: 1.3rem; font-size: 1.05rem; }
.blog-post-content ul {
  margin: 1rem 0 1.5rem 1.5rem;
  font-size: 1.05rem;
}
.blog-post-content ul li { margin-bottom: 0.5rem; }
.blog-back {
  display: inline-block;
  margin-bottom: 2rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-light);
  border-bottom: 1px solid var(--cream-dark);
  padding-bottom: 2px;
}
.blog-back:hover { color: var(--navy); border-color: var(--gold); }

/* --- Contact --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
}
@media (max-width: 700px) {
  .contact-layout { grid-template-columns: 1fr; }
}

.contact-info h3 { margin-bottom: 1rem; }
.contact-info p {
  color: var(--text-light);
  margin-bottom: 1rem;
  font-size: 0.97rem;
}
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--navy);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}
.contact-email:hover { color: var(--gold); }

.contact-form label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--cream-dark);
  border-radius: 4px;
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.97rem;
  color: var(--text);
  margin-bottom: 1.2rem;
  transition: border-color var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.contact-form textarea { resize: vertical; min-height: 140px; }

.btn {
  display: inline-block;
  padding: 0.8rem 2.2rem;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition);
}
.btn:hover { background: var(--navy-light); color: var(--white); }

/* --- Footer --- */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.6);
  padding: 2.5rem 2rem;
  text-align: center;
  font-size: 0.88rem;
}
.footer-name {
  font-family: var(--font-display);
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 0.3rem;
}
.footer-email a { color: var(--gold-light); }
.footer-email a:hover { color: var(--gold); }
.footer-copy { margin-top: 0.8rem; font-size: 0.82rem; }

/* --- Animations (load-in) --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}