/* The Faculty Club – Main Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Rubik:wght@400;500;600;700;800&display=swap');

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1c2630;
  background: #fff;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Variables ──────────────────────────────────────────── */
:root {
  --blue: #4678ee;
  --blue-dark: #3b66c9;
  --blue-light: #e0e9ff;
  --dark: #1c2630;
  --gray: #3a3a3a;
  --gray-light: #f3f3f3;
  --gray-mid: #d0d0d0;
  --white: #fff;
  --max-width: 1240px;
  --nav-height: 72px;
}

/* ── Layout ─────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: 80px 24px; }
.section-inner { max-width: var(--max-width); margin: 0 auto; }

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Rubik', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: #000;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { color: var(--gray); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
.label {
  font-family: 'Rubik', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 4px;
  font-family: 'Rubik', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .2s ease;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.btn-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); }
.btn-outline {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-dark {
  background: #000;
  color: #fff;
  border-color: #000;
}
.btn-dark:hover { background: var(--dark); border-color: var(--dark); }

/* ── Navigation ──────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--gray-mid);
  height: var(--nav-height);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo img { height: 36px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  font-family: 'Rubik', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #000;
  padding: 8px 12px;
  border-radius: 4px;
  transition: background .15s;
}
.nav-links a:hover { background: var(--gray-light); }
.nav-links .btn-nav-cta {
  background: var(--blue);
  color: #fff;
  padding: 8px 16px;
  border-radius: 4px;
}
.nav-links .btn-nav-cta:hover { background: var(--blue-dark); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #000;
  transition: all .2s;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  padding: 100px 24px 80px;
  background: #fff;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text h1 { margin-bottom: 24px; }
.hero-text p { font-size: 1.1rem; margin-bottom: 32px; max-width: 480px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image img {
  width: 100%;
  border-radius: 12px;
  object-fit: cover;
  max-height: 420px;
}

/* ── Stats bar ───────────────────────────────────────────── */
.stats-bar {
  background: var(--dark);
  color: #fff;
  padding: 40px 24px;
}
.stats-bar .section-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
  text-align: center;
}
.stat-item .stat-num {
  font-family: 'Rubik', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
}
.stat-item .stat-label {
  font-size: 0.9rem;
  color: var(--gray-mid);
}

/* ── Feature cards ───────────────────────────────────────── */
.features {
  background: var(--gray-light);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.feature-card {
  background: #fff;
  border-radius: 8px;
  padding: 40px 32px;
  border-top: 4px solid var(--blue);
}
.feature-card h4 {
  font-family: 'Rubik', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.feature-card p { font-size: 0.95rem; }

/* ── Call-out sections ───────────────────────────────────── */
.callout {
  background: var(--blue);
  color: #fff;
}
.callout h2, .callout p { color: #fff; }
.callout-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.callout-inner h2 { margin-bottom: 16px; }
.callout-inner p { font-size: 1.1rem; margin-bottom: 32px; opacity: .9; }

/* ── Case studies ────────────────────────────────────────── */
.case-studies { background: #fff; }
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 48px;
}
.case-card {
  border: 1px solid var(--gray-mid);
  border-radius: 8px;
  overflow: hidden;
}
.case-card-header {
  background: var(--dark);
  padding: 24px 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.case-card-header img { height: 40px; width: auto; filter: brightness(10); object-fit: contain; }
.case-card-body { padding: 32px; }
.case-row {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gray-light);
}
.case-row:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.case-row-label {
  font-family: 'Rubik', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 6px;
}
.case-row p { margin: 0; font-size: 0.9rem; }

/* ── Testimonials ────────────────────────────────────────── */
.testimonials { background: var(--gray-light); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.testimonial-card {
  background: #fff;
  border-radius: 8px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
}
.testimonial-quote {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--gray);
  flex: 1;
  margin-bottom: 24px;
}
.testimonial-quote::before { content: '\201C'; font-size: 2rem; color: var(--blue); line-height: 0; vertical-align: -0.5rem; margin-right: 4px; }
.testimonial-author { display: flex; align-items: center; gap: 16px; }
.testimonial-author img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.testimonial-author-name {
  font-family: 'Rubik', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #000;
}
.testimonial-author-title { font-size: 0.8rem; color: var(--gray); }

/* ── Blog preview ────────────────────────────────────────── */
.blog-preview { background: #fff; }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.blog-card {
  border: 1px solid var(--gray-mid);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow .2s;
}
.blog-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,.1); }
.blog-card img { width: 100%; height: 200px; object-fit: cover; }
.blog-card-body { padding: 24px; }
.blog-card-tag {
  font-family: 'Rubik', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
}
.blog-card h3 { font-size: 1rem; margin-bottom: 8px; color: #000; }
.blog-card-meta { font-size: 0.8rem; color: #888; margin-top: 12px; }

/* ── Educator cards ──────────────────────────────────────── */
.educators-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.educator-card {
  text-align: center;
  padding: 28px 16px;
  border: 1px solid var(--gray-mid);
  border-radius: 8px;
  transition: box-shadow .2s;
}
.educator-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.08); }
.educator-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  background: var(--gray-light);
}
.educator-card h4 { font-size: 0.95rem; margin-bottom: 6px; }
.educator-card p { font-size: 0.8rem; color: #666; }

/* ── Values / Why section ────────────────────────────────── */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.value-card { text-align: center; padding: 16px; }
.value-icon {
  width: 56px;
  height: 56px;
  background: var(--blue-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
}
.value-card h4 {
  font-family: 'Rubik', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
}
.value-card p { font-size: 0.9rem; }

/* ── Section headers ─────────────────────────────────────── */
.section-header { text-align: center; max-width: 640px; margin: 0 auto 16px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { font-size: 1rem; }
.section-label {
  font-family: 'Rubik', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  display: block;
  margin-bottom: 12px;
}

/* ── Videos grid ──────────────────────────────────────────── */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.video-card {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--gray-mid);
}
.video-thumb {
  position: relative;
  padding-bottom: 56.25%;
  background: var(--dark);
}
.video-thumb iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}
.video-card-body { padding: 20px; }
.video-card-speaker {
  font-family: 'Rubik', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 4px;
}
.video-card h4 { font-size: 0.95rem; }

/* ── Blog listing ────────────────────────────────────────── */
.blog-list { display: flex; flex-direction: column; gap: 32px; margin-top: 48px; }
.blog-list-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  border: 1px solid var(--gray-mid);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow .2s;
}
.blog-list-item:hover { box-shadow: 0 4px 20px rgba(0,0,0,.08); }
.blog-list-item img { width: 100%; height: 100%; object-fit: cover; min-height: 180px; }
.blog-list-item-body {
  padding: 28px 28px 28px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.blog-list-item-body h3 { font-size: 1.2rem; margin-bottom: 10px; color: #000; }
.blog-list-item-body p { font-size: 0.9rem; margin-bottom: 12px; }
.blog-list-meta { font-size: 0.8rem; color: #888; }

/* ── Blog post ───────────────────────────────────────────── */
.blog-post-header {
  background: var(--gray-light);
  padding: 80px 24px 60px;
}
.blog-post-header .container { max-width: 800px; }
.blog-post-tag {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  font-family: 'Rubik', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 20px;
}
.blog-post-header h1 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 20px; }
.blog-post-header .blog-meta { font-size: 0.9rem; color: #666; }
.blog-post-body {
  padding: 60px 24px 80px;
}
.blog-post-body .container { max-width: 800px; }
.blog-post-body p { font-size: 1.05rem; line-height: 1.8; margin-bottom: 1.5rem; color: var(--dark); }
.blog-post-body h2 { margin: 2.5rem 0 1rem; }
.blog-post-body h3 { margin: 2rem 0 0.75rem; }
.author-box {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--gray-light);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 40px;
}
.author-box img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.author-box-name { font-family: 'Rubik', sans-serif; font-weight: 700; font-size: 0.9rem; }
.author-box-title { font-size: 0.85rem; color: #666; }

/* ── About page ──────────────────────────────────────────── */
.about-hero { padding: 80px 24px 60px; }
.founder-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 48px;
}
.founder-section img { border-radius: 12px; }

/* ── Email signup ─────────────────────────────────────────── */
.email-signup { background: var(--dark); color: #fff; text-align: center; }
.email-signup h2, .email-signup p { color: #fff; }
.email-signup p { opacity: .85; margin-bottom: 32px; font-size: 1rem; }
.email-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.email-form input {
  flex: 1;
  min-width: 200px;
  padding: 14px 20px;
  border: none;
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
}
.email-form input:focus { outline: 2px solid var(--blue); }
.email-form button {
  padding: 14px 28px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-family: 'Rubik', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s;
}
.email-form button:hover { background: var(--blue-dark); }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  background: #000;
  color: #fff;
  padding: 60px 24px 32px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 200px 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand img { height: 32px; filter: brightness(10); margin-bottom: 16px; }
.footer-brand p { font-size: 0.85rem; color: #aaa; }
.footer-col h5 {
  font-family: 'Rubik', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: 0.875rem;
  color: #aaa;
  transition: color .15s;
}
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid #333;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: #666;
}
.footer-bottom a { color: #aaa; }
.footer-bottom a:hover { color: #fff; }

/* ── Privacy page ────────────────────────────────────────── */
.prose { max-width: 800px; }
.prose h2 { font-size: 1.3rem; margin: 2.5rem 0 0.75rem; }
.prose h3 { font-size: 1.1rem; margin: 2rem 0 0.5rem; }
.prose p, .prose li { font-size: 0.95rem; line-height: 1.8; color: var(--dark); }
.prose ul { padding-left: 24px; margin-bottom: 1rem; list-style: disc; }
.prose li { margin-bottom: 4px; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .educators-grid { grid-template-columns: repeat(3, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 56px 20px; }
  .hero { padding: 60px 20px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-image { order: -1; }
  .features-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .educators-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .videos-grid { grid-template-columns: 1fr; }
  .blog-list-item { grid-template-columns: 1fr; }
  .blog-list-item img { height: 200px; }
  .blog-list-item-body { padding: 24px; }
  .founder-section { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-bar .section-inner { flex-direction: column; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--gray-mid);
    padding: 16px 24px;
    align-items: flex-start;
    gap: 0;
    box-shadow: 0 4px 16px rgba(0,0,0,.08);
  }
  .nav-links.open a { padding: 10px 0; border-bottom: 1px solid var(--gray-light); width: 100%; }
  .nav-toggle { display: flex; }
}

@media (max-width: 480px) {
  .educators-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }
}

/* ── Utilities ───────────────────────────────────────────── */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; }

/* ── Page hero variants ───────────────────────────────────── */
.page-hero {
  background: var(--gray-light);
  padding: 80px 24px 60px;
  text-align: center;
}
.page-hero h1 { margin-bottom: 16px; }
.page-hero p { font-size: 1.1rem; max-width: 600px; margin: 0 auto; }