/* ============================================
   HARRO WIERSMA — Editorial / Refined Design
   Warm copper accent, Instrument Serif + Sans,
   asymmetric hero, editorial spacing
   ============================================ */

:root {
  --bg: #F8F6F3;
  --bg-secondary: #F0EDE8;
  --bg-dark: #1E2B3A;
  --bg-darker: #141210;
  --text: #1A1A18;
  --text-secondary: #4A4540;
  --text-tertiary: #7A756F;
  --text-on-dark: #F0EDE8;
  --text-on-dark-secondary: #9B9590;
  --accent: #B87333;
  --accent-hover: #A06228;
  --accent-light: rgba(184,115,51,0.08);
  --border: rgba(30,20,10,0.08);
  --border-dark: rgba(255,245,230,0.08);
  --card-shadow: 0 1px 3px rgba(30,20,10,0.06);
  --card-shadow-hover: 0 4px 20px rgba(30,20,10,0.1);
  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-sans); color: var(--text); background: var(--bg); line-height: 1.6; font-size: 17px; letter-spacing: -0.01em; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font: inherit; }

/* Layout */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.section-light { padding: 120px 0; }
.section-dark { padding: 120px 0; background: var(--bg-dark); color: var(--text-on-dark); }
.section-dark .section-eyebrow { color: var(--accent); }
.section-dark .section-heading em { color: var(--accent); font-style: italic; }

/* Section typography */
.section-eyebrow {
  font-size: 13px; font-weight: 600; color: var(--accent);
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 12px;
}
.section-heading {
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(32px, 5vw, 48px); line-height: 1.1;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.section-heading em { font-style: italic; color: var(--accent); }
.section-sub {
  font-size: 19px; color: var(--text-secondary); max-width: 600px;
  line-height: 1.5; margin-bottom: 48px;
}

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 24px; background: var(--accent); color: #fff;
  font-size: 15px; font-weight: 500;
  border-radius: 6px; border: none;
  box-shadow: 0 1px 3px rgba(184,115,51,0.2);
  transition: background 0.2s var(--ease);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 23px; background: transparent; color: var(--text);
  font-size: 15px; font-weight: 500;
  border-radius: 6px; border: 1px solid rgba(30,20,10,0.2);
  transition: all 0.2s var(--ease);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.section-dark .btn-ghost { color: var(--text-on-dark); border-color: rgba(255,245,230,0.2); }
.section-dark .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-full { width: 100%; }

/* ===================== NAVIGATION ===================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(248,246,243,0.92);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav.scrolled { background: rgba(248,246,243,0.97); }
.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px; height: 56px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo img { height: 24px; width: auto; transition: filter 0.3s; }
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  font-size: 14px; font-weight: 400; color: var(--text);
  opacity: 0.65; transition: opacity 0.2s;
}
.nav-links a:hover { opacity: 1; }
.nav-actions { display: flex; gap: 12px; align-items: center; }
.nav-actions .btn-primary { padding: 8px 18px; font-size: 13px; }
.nav-actions .btn-ghost { padding: 7px 17px; font-size: 13px; }

/* Hamburger */
.hamburger { display: none; width: 28px; height: 20px; position: relative; }
.hamburger span {
  position: absolute; left: 0; height: 1.5px; width: 100%; background: var(--text);
  border-radius: 1px; transition: all 0.3s var(--ease);
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }
.hamburger.active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none; flex-direction: column; padding: 20px 24px 28px;
  background: rgba(248,246,243,0.98);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
  font-size: 17px; font-weight: 500; padding: 12px 0;
  border-bottom: 1px solid var(--border); color: var(--text);
}
.mobile-menu a:last-of-type { border-bottom: none; }
.mobile-menu-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.mobile-menu-actions .btn-primary, .mobile-menu-actions .btn-ghost { justify-content: center; }

@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .hamburger { display: block; }
}

/* ===================== HERO ===================== */
.hero {
  padding: 140px 24px 100px; background: var(--bg);
}
.hero-grid {
  max-width: 1080px; margin: 0 auto;
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 64px;
  align-items: center;
}
.hero-content { max-width: 600px; }
.hero-badge {
  font-size: 13px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.04em; text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.08; letter-spacing: -0.02em; margin-bottom: 20px;
}
.hero-title em { font-style: italic; }
.hero-sub {
  font-size: 19px; color: var(--text-secondary);
  margin-bottom: 32px; line-height: 1.5;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-portrait {
  display: flex; justify-content: center;
}
.hero-portrait img {
  width: 100%; max-width: 420px;
  border-radius: var(--radius-lg);
  object-fit: cover; aspect-ratio: 4/5;
  box-shadow: 0 8px 40px rgba(30,20,10,0.12);
}

.hero-stats {
  display: flex; gap: 32px; margin-top: 48px;
  padding-top: 28px; border-top: 1px solid var(--border);
}
.hero-stat { text-align: left; }
.hero-stat-value {
  font-size: 28px; font-weight: 700; letter-spacing: -0.03em;
  display: block; line-height: 1; color: var(--text);
}
.hero-stat-plus { font-size: 22px; font-weight: 700; color: var(--accent); }
.hero-stat-label {
  font-size: 12px; color: var(--text-tertiary); text-transform: uppercase;
  letter-spacing: 0.04em; margin-top: 4px; display: block; font-weight: 500;
}

@media (max-width: 768px) {
  .hero { padding: 120px 24px 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-portrait { order: 1; }
  .hero-portrait img { max-width: 280px; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .hero-stat { min-width: 40%; }
}

/* ===================== MARQUEE ===================== */
.marquee {
  padding: 20px 0; overflow: hidden; display: flex;
  align-items: center; background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.marquee-label {
  flex-shrink: 0; padding: 0 24px; font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-tertiary);
}
.marquee-track { overflow: hidden; flex: 1; }
.marquee-content {
  display: flex; gap: 48px; animation: marquee 35s linear infinite;
  width: max-content;
}
.marquee-content span {
  font-size: 15px; font-weight: 600; white-space: nowrap;
  color: var(--text); opacity: 0.4;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===================== ABOUT ===================== */
.about-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 64px; }
.about-text p { margin-bottom: 16px; color: var(--text-secondary); font-size: 17px; line-height: 1.6; }
.about-lead { color: var(--text) !important; font-size: 19px !important; }
.about-ctas { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

.approach-card {
  background: var(--bg-secondary); border-radius: var(--radius);
  padding: 28px; margin-bottom: 20px;
}
.approach-title {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 19px; letter-spacing: -0.01em; margin-bottom: 20px;
}
.approach-step {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.approach-step:last-child { border-bottom: none; }
.step-num {
  font-size: 12px; font-weight: 700; color: #fff; background: var(--accent);
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.approach-step strong { font-size: 15px; font-weight: 600; display: block; }
.approach-step p { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }

.certs-card {
  background: var(--bg-secondary); border-radius: var(--radius);
  padding: 28px;
}
.certs-title {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 19px; letter-spacing: -0.01em; margin-bottom: 14px;
}
.cert-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-tag {
  font-size: 12px; font-weight: 500; padding: 6px 12px;
  background: var(--bg); border-radius: var(--radius-sm); color: var(--text-secondary);
  border: 1px solid var(--border); letter-spacing: 0.01em;
}

@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }

/* ===================== SERVICES ===================== */
.services-grid { display: flex; flex-direction: column; gap: 0; }

.svc { border-top: 1px solid var(--border); overflow: hidden; }
.svc:last-child { border-bottom: 1px solid var(--border); }
.svc-header {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 24px 0; cursor: pointer; transition: opacity 0.2s;
}
.svc-header:hover { opacity: 0.7; }
.svc-num {
  font-size: 14px; font-weight: 600; color: var(--accent);
  min-width: 32px; padding-top: 2px;
}
.svc-info { flex: 1; }
.svc-info h3 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 21px; letter-spacing: -0.01em; margin-bottom: 4px;
}
.svc-info p { font-size: 15px; color: var(--text-secondary); line-height: 1.5; }
.svc-toggle {
  color: var(--text-tertiary); width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); transition: all 0.3s var(--ease); flex-shrink: 0;
}
.svc-toggle:hover { background: var(--bg-secondary); }
.svc.active .svc-toggle { transform: rotate(180deg); color: var(--accent); }

.svc-details {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.4s var(--ease);
  padding: 0 0 0 52px;
}
.svc.active .svc-details { max-height: 500px; padding: 0 0 28px 52px; }
.svc-details p { font-size: 15px; color: var(--text-secondary); margin-bottom: 16px; max-width: 600px; line-height: 1.6; }
.svc-deliverables strong { font-size: 14px; font-weight: 600; display: block; margin-bottom: 8px; }
.svc-deliverables ul { padding-left: 20px; list-style: disc; }
.svc-deliverables li { font-size: 14px; color: var(--text-secondary); margin-bottom: 4px; }

.services-cta {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-secondary); border-radius: var(--radius);
  padding: 28px 32px; margin-top: 48px; gap: 24px;
}
.services-cta p { font-size: 15px; color: var(--text-secondary); }
.services-cta strong { color: var(--text); }

@media (max-width: 640px) {
  .svc-header { gap: 12px; }
  .svc-details, .svc.active .svc-details { padding-left: 0; }
  .services-cta { flex-direction: column; text-align: center; }
}

/* ===================== PROCESS ===================== */
.process-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin-top: 8px; }

.process-step {
  padding: 28px; border-radius: var(--radius);
  background: rgba(255,245,230,0.04);
}
.process-num {
  font-size: 40px; font-weight: 700; letter-spacing: -0.04em;
  color: var(--accent); opacity: 0.35; line-height: 1; margin-bottom: 16px;
}
.process-step h3 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 19px; margin-bottom: 8px; color: var(--text-on-dark);
}
.process-step p { font-size: 14px; color: var(--text-on-dark-secondary); line-height: 1.5; }

@media (max-width: 1000px) { .process-steps { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px) { .process-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .process-steps { grid-template-columns: 1fr; } }

/* ===================== TESTIMONIALS ===================== */

/* Featured quote */
.quote-featured {
  padding: 40px 0 40px 32px; border-left: 3px solid var(--accent);
  margin-bottom: 48px;
}
.quote-featured blockquote {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(21px, 3vw, 28px); line-height: 1.4;
  margin-bottom: 16px; color: var(--text);
}
.quote-featured .quote-author strong {
  font-family: var(--font-sans); font-size: 16px; font-weight: 600;
  display: block; color: var(--text);
}
.quote-featured .quote-author span {
  font-family: var(--font-sans); font-size: 14px; color: var(--text-secondary);
}

/* Grid quotes */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 48px; }

.quote-card {
  background: var(--bg-secondary); border-radius: var(--radius);
  padding: 28px; position: relative;
}
.quote-card blockquote {
  font-size: 15px; color: var(--text-secondary); line-height: 1.6;
  font-style: normal; margin-bottom: 20px;
}
.quote-author strong { font-size: 15px; font-weight: 600; display: block; color: var(--text); }
.quote-author span { font-size: 13px; color: var(--text-secondary); }

.stats-bar {
  display: flex; justify-content: space-between;
  background: var(--bg-secondary); border-radius: var(--radius);
  padding: 36px 48px;
}
.stat { text-align: center; }
.stat-value {
  font-size: 36px; font-weight: 700; letter-spacing: -0.03em;
  color: var(--text); display: inline;
}
.stat-plus { font-size: 24px; font-weight: 700; color: var(--accent); }
.stat-label {
  display: block; font-size: 12px; color: var(--text-tertiary);
  text-transform: uppercase; letter-spacing: 0.04em; margin-top: 4px; font-weight: 500;
}

@media (max-width: 900px) { .testimonials-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) {
  .testimonials-grid { grid-template-columns: 1fr; }
  .stats-bar { flex-wrap: wrap; gap: 28px; justify-content: center; padding: 28px; }
}

/* ===================== INSIGHTS ===================== */
.insights-featured { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 48px; }

.featured-card {
  border-radius: var(--radius); padding: 32px;
  position: relative; overflow: hidden;
}
.featured-book {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}
.featured-campus { background: var(--bg-secondary); }
.featured-badge {
  display: inline-block; font-size: 11px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 4px 10px; border-radius: var(--radius-sm); margin-bottom: 16px;
  background: var(--accent); color: #fff;
}
.featured-card h3 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 24px; margin-bottom: 8px;
}
.featured-card p { font-size: 15px; line-height: 1.5; margin-bottom: 20px; }
.featured-book p { color: var(--text-on-dark-secondary); }
.featured-campus p { color: var(--text-secondary); }

.articles-heading {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 21px; margin-bottom: 20px;
  padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.articles-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 48px; }

.article {
  padding: 24px; background: var(--bg-secondary); border-radius: var(--radius);
  transition: box-shadow 0.3s var(--ease);
}
.article:hover { box-shadow: var(--card-shadow-hover); }
.article-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.article-cat { font-size: 12px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.02em; }
.article-meta time { font-size: 13px; color: var(--text-tertiary); }
.article h4 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 19px; margin-bottom: 6px;
}
.article p { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.5; }
.article a {
  font-size: 14px; font-weight: 500; color: var(--accent);
  text-decoration: underline; text-underline-offset: 3px;
}
.article a:hover { opacity: 0.7; }

.insights-follow {
  text-align: center; padding: 36px; background: var(--bg-secondary);
  border-radius: var(--radius);
}
.insights-follow p { color: var(--text-secondary); margin-bottom: 16px; max-width: 460px; margin-left: auto; margin-right: auto; font-size: 15px; }

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

/* ===================== CONTACT ===================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.contact-info .section-heading {
  font-size: clamp(28px, 4vw, 40px);
}

.contact-block { margin-bottom: 28px; }
.contact-block h3 {
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 10px;
}
.contact-block address, .contact-block p { font-size: 15px; color: var(--text-on-dark-secondary); line-height: 1.6; }
.contact-block a { color: var(--accent); transition: opacity 0.2s; }
.contact-block a:hover { opacity: 0.7; }
.contact-block ul li { margin-bottom: 4px; font-size: 15px; color: var(--text-on-dark-secondary); }

.contact-links { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.contact-links a {
  font-size: 13px; font-weight: 500; padding: 8px 16px;
  background: rgba(255,245,230,0.06); border-radius: 6px;
  color: var(--text-on-dark-secondary);
  transition: all 0.2s;
}
.contact-links a:hover { background: rgba(255,245,230,0.12); color: #fff; }

.whatsapp-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 500; padding: 12px 24px;
  background: rgba(37,211,102,0.1); border-radius: 6px;
  color: #25D366; transition: background 0.2s;
}
.whatsapp-btn:hover { background: rgba(37,211,102,0.2); }

/* Form */
.contact-form {
  background: rgba(255,245,230,0.04); border-radius: var(--radius);
  padding: 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  font-size: 13px; font-weight: 500; display: block; margin-bottom: 6px;
  color: var(--text-on-dark-secondary);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 12px 16px; background: rgba(255,245,230,0.06);
  border: 1px solid var(--border-dark); border-radius: 6px;
  color: var(--text-on-dark); font-size: 15px; transition: all 0.2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-on-dark-secondary); opacity: 0.5; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(184,115,51,0.15);
}
.form-group select {
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239B9590' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
}
.form-group select option { background: var(--bg-dark); color: var(--text-on-dark); }
.form-group textarea { resize: vertical; min-height: 120px; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
}

/* ===================== FOOTER ===================== */
.footer { background: var(--bg-darker); color: var(--text-on-dark-secondary); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { font-size: 14px; line-height: 1.6; margin-bottom: 16px; }
.footer-logo { color: var(--text-on-dark); margin-bottom: 1.5rem; }
.footer-certs { display: flex; gap: 8px; flex-wrap: wrap; }
.footer-certs span {
  font-size: 11px; font-weight: 500; padding: 4px 10px;
  background: rgba(255,245,230,0.06); border-radius: var(--radius-sm);
}
.footer-col h4 {
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--text-on-dark); margin-bottom: 14px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col a { font-size: 14px; opacity: 0.6; transition: opacity 0.2s; }
.footer-col a:hover { opacity: 1; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid rgba(255,245,230,0.06); font-size: 13px; opacity: 0.5;
}
.footer-social { display: flex; gap: 20px; }
.footer-social a { opacity: 0.6; transition: opacity 0.2s; }
.footer-social a:hover { opacity: 1; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

/* ===================== HERO ENTRANCE ===================== */
.hero-content {
  opacity: 0; transform: translateY(12px);
  animation: heroEntrance 0.8s var(--ease) 0.1s forwards;
}
.hero-portrait {
  opacity: 0;
  animation: heroEntrance 0.8s var(--ease) 0.3s forwards;
}
@keyframes heroEntrance {
  to { opacity: 1; transform: translateY(0); }
}

/* ===================== THEME TOGGLE ===================== */
.theme-toggle {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text); background: transparent;
  transition: background 0.2s; cursor: pointer; border: none;
}
.theme-toggle:hover { background: rgba(30,20,10,0.05); }
.theme-toggle .icon-moon { display: none; }
.theme-toggle .icon-sun { display: block; }
.theme-toggle-mobile { display: none; }

@media (max-width: 768px) {
  .theme-toggle-mobile { display: flex; }
}

/* ===================== DARK MODE ===================== */
[data-theme="dark"] {
  --bg: #141210;
  --bg-secondary: #1E1C1A;
  --bg-dark: #1E1C1A;
  --bg-darker: #0A0908;
  --text: #F0EDE8;
  --text-secondary: #9B9590;
  --text-tertiary: #6B6560;
  --text-on-dark: #F0EDE8;
  --text-on-dark-secondary: #9B9590;
  --accent: #C8884A;
  --accent-hover: #D9A060;
  --accent-light: rgba(200,136,74,0.1);
  --border: rgba(255,245,230,0.08);
  --border-dark: rgba(255,245,230,0.08);
  --card-shadow: 0 1px 3px rgba(0,0,0,0.3);
  --card-shadow-hover: 0 4px 20px rgba(0,0,0,0.4);
}

[data-theme="dark"] body { color-scheme: dark; }

[data-theme="dark"] .nav {
  background: rgba(20,18,16,0.92);
  border-bottom-color: rgba(255,245,230,0.06);
}
[data-theme="dark"] .nav.scrolled { background: rgba(20,18,16,0.97); }

[data-theme="dark"] .mobile-menu {
  background: rgba(20,18,16,0.98);
  border-top-color: rgba(255,245,230,0.06);
}
[data-theme="dark"] .mobile-menu a {
  color: var(--text); border-bottom-color: rgba(255,245,230,0.06);
}

[data-theme="dark"] .hamburger span { background: var(--text); }

[data-theme="dark"] .hero { background: var(--bg); }

[data-theme="dark"] .marquee {
  background: var(--bg-secondary);
  border-color: var(--border);
}
[data-theme="dark"] .marquee-content span { color: var(--text); }

[data-theme="dark"] .section-light { background: var(--bg); }
[data-theme="dark"] .section-dark { background: var(--bg-secondary); }

[data-theme="dark"] .cert-tag {
  background: rgba(255,245,230,0.04); color: var(--text-secondary);
  border-color: var(--border); box-shadow: none;
}

[data-theme="dark"] .featured-book { background: #1E1C1A; }
[data-theme="dark"] .featured-campus { background: var(--bg-secondary); }

[data-theme="dark"] .footer { background: #0A0908; }
[data-theme="dark"] .footer-logo { color: var(--text-on-dark); }

[data-theme="dark"] .theme-toggle { color: var(--text); }
[data-theme="dark"] .theme-toggle:hover { background: rgba(255,245,230,0.06); }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }

[data-theme="dark"] .nav-logo img { filter: invert(1); }
[data-theme="dark"] .nav-links a { color: var(--text); }
[data-theme="dark"] .btn-ghost { color: var(--text); border-color: rgba(255,245,230,0.15); }
[data-theme="dark"] .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

[data-theme="dark"] .form-group select option { background: #1E1C1A; }

[data-theme="dark"] .hero-portrait img { box-shadow: 0 8px 40px rgba(0,0,0,0.4); }