:root {
  --color-bg: #FAF9F5;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F1EFE6;
  --color-primary: #201F3F;
  --color-primary-light: #3B3969;
  --color-primary-dark: #131230;
  --color-accent: #45D5C4;
  --color-accent-dark: #29A99A;
  --color-accent-2: #FF8552;
  --color-accent-2-dark: #E06E3C;
  --color-text: #201F2E;
  --color-text-muted: #5C5A72;
  --color-border: #E6E2D6;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(32,31,63,.08), 0 1px 1px rgba(32,31,63,.04);
  --shadow-md: 0 12px 28px -10px rgba(32,31,63,.22), 0 4px 10px -4px rgba(32,31,63,.12);
  --shadow-lg: 0 30px 60px -16px rgba(32,31,63,.32), 0 10px 20px -10px rgba(32,31,63,.18);

  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;

  --font-heading: 'Sora', sans-serif;
  --font-body: 'Sora', sans-serif;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }
input, textarea { font-family: inherit; font-size: 1rem; }

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.15; margin: 0 0 .6em; color: var(--color-primary); }
p { margin: 0 0 1.1em; color: var(--color-text); }
p:last-child { margin-bottom: 0; }

.content-block { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
main { display: block; }


.primary-action, .secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .95rem 1.9rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: .98rem;
  min-height: 44px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}
.primary-action {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}
.primary-action:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.secondary-action {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.secondary-action:hover { border-color: var(--color-accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.primary-action--onaccent { background: var(--color-surface); color: var(--color-primary); }
.primary-action--outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
  box-shadow: none;
}
.primary-action--outline:hover { background: rgba(255,255,255,.15); }


.site-header {
  position: sticky;
  top: 0;
  z-index: 400;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.site-header.is-sticky {
  background: rgba(250,249,245,.92);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
  transition: padding var(--transition);
}
.site-header.is-sticky .header-inner { padding-top: .7rem; padding-bottom: .7rem; }
.brand-mark { display: flex; align-items: center; }
.brand-logo { height: 38px; width: auto; }

.primary-nav { display: none; }
.nav-list { display: flex; align-items: center; gap: 2.2rem; }
.nav-link {
  font-weight: 500;
  font-size: .96rem;
  color: var(--color-primary);
  position: relative;
  padding: .3rem 0;
  transition: color var(--transition);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  height: 2px; width: 0;
  background: var(--color-accent-dark);
  transition: width var(--transition);
}
.nav-link:hover::after, .nav-link[aria-current="page"]::after { width: 100%; }
.nav-link-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: .6rem 1.3rem;
  border-radius: var(--radius-pill);
}
.nav-link-cta::after { display: none; }

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
}
.hamburger .bar {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }


.curtain-menu {
  position: fixed;
  inset: 0;
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transform: translateY(-100%);
  transition: transform .55s cubic-bezier(.7,0,.2,1);
  padding: 2rem;
}
.curtain-menu.is-open { transform: translateY(0); height: fit-content; }
.curtain-menu.is-open .curtain-list { display: flex; }
.curtain-list { display: none; flex-direction: column; align-items: center; gap: 1.1rem; }
.curtain-link {
  font-size: clamp(1.4rem, 5vw, 2.1rem);
  font-weight: 600;
  color: #fff;
  opacity: 0;
  transform: translateY(-24px);
  transition: opacity .5s ease, transform .5s ease;
}
.curtain-link-small { font-size: 1rem; font-weight: 400; color: rgba(255,255,255,.65); }
.curtain-menu.is-open .curtain-link { opacity: 1; transform: translateY(0); }
.curtain-close {
  margin-top: 1.5rem;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.4);
  padding: .7rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  display: inline-flex;
  gap: .5rem;
  align-items: center;
  min-height: 44px;
  transition: background var(--transition);
}
.curtain-close:hover { background: rgba(255,255,255,.12); }


.bottom-tab-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 500;
  background: rgba(250,249,245,.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -8px 24px -12px rgba(32,31,63,.2);
  padding: .4rem .5rem env(safe-area-inset-bottom, .4rem);
  justify-content: space-around;
}
.tab-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .2rem;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: .65rem;
  transition: color var(--transition);
}
.tab-link[aria-current="page"], .tab-link:hover { color: var(--color-accent-dark); }
.tab-icon { font-size: 1.2rem; }
.tab-label { font-size: .62rem; }


.cube-decoration { position: absolute; pointer-events: none; z-index: 1; opacity: .9; }
.cube-face { position: absolute; inset: 0; }
.cube-decoration--hero-a { width: 130px; height: 152px; top: 6%; right: 6%; }
.cube-decoration--hero-b { width: 80px; height: 94px; bottom: 4%; right: 22%; }
.cube-decoration--about { width: 96px; height: 112px; top: -30px; left: 4%; }
.cube-decoration--page { width: 100px; height: 118px; top: 12%; right: 4%; }
.cube-face--top { clip-path: polygon(50% 0%, 100% 25%, 50% 50%, 0% 25%); }
.cube-face--left { clip-path: polygon(0% 25%, 50% 50%, 50% 100%, 0% 75%); }
.cube-face--right { clip-path: polygon(50% 50%, 100% 25%, 100% 75%, 50% 100%); }

.cube-decoration--teal .cube-face--top { background: var(--color-accent); }
.cube-decoration--teal .cube-face--left { background: var(--color-accent-dark); }
.cube-decoration--teal .cube-face--right { background: #1f8c80; }

.cube-decoration--orange .cube-face--top { background: var(--color-accent-2); }
.cube-decoration--orange .cube-face--left { background: var(--color-accent-2-dark); }
.cube-decoration--orange .cube-face--right { background: #b8552a; }

.cube-decoration--navy .cube-face--top { background: var(--color-primary-light); }
.cube-decoration--navy .cube-face--left { background: var(--color-primary); }
.cube-decoration--navy .cube-face--right { background: var(--color-primary-dark); }


.hero-section {
  position: relative;
  padding: var(--space-2xl) 0 var(--space-xl);
  overflow: hidden;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--space-lg);
  align-items: center;
}
.hero-eyebrow {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: .8rem;
}
.hero-heading {
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  margin-bottom: 1.1rem;
}
.rotating-word-wrap {
  display: inline-block;
  position: relative;
  height: 1.2em;
  overflow: hidden;
  vertical-align: bottom;
  min-width: 6.5ch;
}
.rotating-word {
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  background: linear-gradient(120deg, var(--color-accent-dark), var(--color-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0;
  transform: translateY(100%);
  transition: transform .6s cubic-bezier(.6,0,.3,1), opacity .5s ease;
}
.rotating-word.is-active { opacity: 1; transform: translateY(0); }
.rotating-word.is-leaving { opacity: 0; transform: translateY(-100%); }
.hero-lede { font-size: 1.08rem; color: var(--color-text-muted); max-width: 54ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1.6rem 0 1rem; }
.hero-note { color: var(--color-text-muted); }
.hero-figure { position: relative; z-index: 2; margin: 0; }
.hero-figure img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.hero-figure figcaption { margin-top: .8rem; font-size: .85rem; color: var(--color-text-muted); }


.about-preview { position: relative; padding: var(--space-xl) 0; overflow: hidden; }
.about-preview-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: var(--space-lg);
  align-items: center;
}
.about-preview-figure { margin: 0; }
.about-preview-figure img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.about-preview-figure figcaption { margin-top: .7rem; font-size: .85rem; color: var(--color-text-muted); }
.section-eyebrow { font-size: .82rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--color-accent-dark); margin-bottom: .6rem; }
.section-heading { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
.section-heading--onaccent { color: var(--color-primary-dark); }
.highlight-text {
  background: linear-gradient(120deg, rgba(69,213,196,.35), rgba(255,133,82,.3));
  padding: 0 .25em;
  border-radius: 4px;
  color: var(--color-primary-dark);
}


.module-section { padding: var(--space-xl) 0; }
.section-intro { max-width: 62ch; color: var(--color-text-muted); margin-bottom: var(--space-lg); }
.accordion-list { display: flex; flex-direction: column; gap: 1rem; }
.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.accordion-item:hover { box-shadow: var(--shadow-md); }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  text-align: left;
  min-height: 44px;
}
.accordion-icon {
  flex-shrink: 0;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-primary-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.accordion-title { flex: 1; font-weight: 600; font-size: 1.05rem; color: var(--color-primary); }
.accordion-caret { transition: transform var(--transition); color: var(--color-text-muted); }
.accordion-trigger[aria-expanded="true"] .accordion-caret { transform: rotate(180deg); }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.accordion-panel-inner { padding: 0 1.4rem 1.4rem 4.2rem; color: var(--color-text-muted); }


.info-section { padding: var(--space-xl) 0; }
.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
  container-type: inline-size;
  container-name: info-grid;
  margin-top: var(--space-lg);
}
.card-link { display: block; border-radius: var(--radius-md); transition: transform var(--transition); }
.card-link:hover { transform: translateY(-6px); }
.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.card-link:hover .info-card { box-shadow: var(--shadow-md); }
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.info-card h3 { font-size: 1.1rem; margin-bottom: .4rem; }
.info-card p { color: var(--color-text-muted); font-size: .95rem; }
@container info-grid (max-width: 720px) {
  .info-grid { grid-template-columns: repeat(2, 1fr); }
}
@container info-grid (max-width: 420px) {
  .info-grid { grid-template-columns: 1fr; }
}


.carousel-section { padding: var(--space-xl) 0; }
.lesson-carousel { margin-top: var(--space-lg); }
.slide-figure { margin: 0; }
.slide-figure img { border-radius: var(--radius-md); box-shadow: var(--shadow-md); aspect-ratio: 4/3; object-fit: cover; }
.slide-caption { margin-top: .8rem; font-size: .9rem; color: var(--color-text-muted); }
.splide__pagination__page.is-active { background: var(--color-accent-dark); }
.splide__arrow { background: var(--color-surface); box-shadow: var(--shadow-sm); }
.splide__arrow svg { fill: var(--color-primary); }


.cta-band {
  background: linear-gradient(120deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
  padding: var(--space-lg) 0;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-text { max-width: 60ch; }
.cta-text p { color: rgba(19,18,48,.8); }


.site-footer {
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: rgba(255,255,255,.86);
  padding-top: var(--space-xl);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: var(--space-lg); }
.footer-column h3 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.footer-column ul { display: flex; flex-direction: column; gap: .6rem; }
.footer-column a { color: rgba(255,255,255,.78); transition: color var(--transition); }
.footer-column a:hover { color: var(--color-accent); }
.footer-brand p { color: rgba(255,255,255,.72); margin: 1rem 0; }
.footer-logo { height: 32px; filter: brightness(0) invert(1); }
.footer-address { font-style: normal; color: rgba(255,255,255,.78); line-height: 1.8; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); padding: 1.4rem 1.5rem; }
.footer-bottom p { color: rgba(255,255,255,.6); margin: 0; }


.page-hero { position: relative; padding: var(--space-xl) 0 var(--space-lg); overflow: hidden; }
.page-heading { font-size: clamp(2rem, 4.4vw, 3rem); }
.page-lede { max-width: 62ch; color: var(--color-text-muted); font-size: 1.05rem; }


.lecturers-section { padding: var(--space-lg) 0 var(--space-xl); }
.lecturer-list { display: flex; flex-direction: column; gap: var(--space-xl); }
.lecturer-card {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: var(--space-lg);
  align-items: center;
  container-type: inline-size;
}
.lecturer-card--reverse { direction: rtl; }
.lecturer-card--reverse > * { direction: ltr; }
.lecturer-figure { margin: 0; }
.lecturer-figure img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); aspect-ratio: 4/5; object-fit: cover; }
.lecturer-role { color: var(--color-accent-dark); font-weight: 600; margin-bottom: 1rem; }
.lecturer-quote {
  margin: 1.4rem 0 0;
  padding: 1.2rem 1.4rem;
  border-left: 3px solid var(--color-accent-dark);
  background: var(--color-surface-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.lecturer-quote p { font-style: italic; margin-bottom: .5rem; }
.lecturer-quote cite { font-style: normal; font-size: .85rem; color: var(--color-text-muted); }


.approach-section { padding: var(--space-xl) 0; background: var(--color-surface-alt); }
.approach-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--space-lg); align-items: center; }
.approach-figure { margin: 0; }
.approach-figure img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.approach-figure figcaption { margin-top: .7rem; font-size: .85rem; color: var(--color-text-muted); }


.layout-with-toc { display: grid; grid-template-columns: 260px 1fr; gap: var(--space-lg); padding: var(--space-lg) 1.5rem var(--space-2xl); align-items: start; }
.toc-sidebar { position: sticky; top: 110px; }
.toc-title { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--color-text-muted); margin-bottom: .8rem; }
.toc-list { display: flex; flex-direction: column; gap: .3rem; border-left: 2px solid var(--color-border); }
.toc-link {
  display: block;
  padding: .5rem 0 .5rem 1rem;
  font-size: .92rem;
  color: var(--color-text-muted);
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color var(--transition), border-color var(--transition);
}
.toc-link.is-active { color: var(--color-primary); font-weight: 600; border-left-color: var(--color-accent-dark); }
.toc-link:hover { color: var(--color-primary); }
.article-content { max-width: 72ch; }
.content-section { margin-bottom: var(--space-lg); scroll-margin-top: 120px; }
.content-section h2 { font-size: 1.5rem; }
.content-list { display: flex; flex-direction: column; gap: .6rem; padding-left: 1.3rem; list-style: disc; margin-bottom: 1.1em; }
.content-figure { margin: var(--space-lg) 0; }
.content-figure img { border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.content-figure figcaption { margin-top: .7rem; font-size: .85rem; color: var(--color-text-muted); }


.contact-section { padding: var(--space-lg) 0 var(--space-2xl); }
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-lg); align-items: start; }
.contact-form-wrap, .contact-info-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}
.field-hint-general { color: var(--color-text-muted); margin-bottom: 1.6rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.4rem; }
.field-group { display: flex; flex-direction: column; gap: .4rem; }
.field-group label { font-weight: 600; font-size: .92rem; }
.field-group input[type="text"], .field-group input[type="email"], .field-group textarea {
  padding: .8rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  min-height: 44px;
}
.field-group textarea { min-height: 120px; resize: vertical; }
.field-group input:focus, .field-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-dark);
  box-shadow: 0 0 0 3px rgba(69,213,196,.25);
}
.field-hint { font-size: .8rem; color: var(--color-text-muted); }
.field-error { font-size: .8rem; color: #C0392B; min-height: 1em; display: block; }
.field-group-checkbox { flex-direction: row; flex-wrap: wrap; align-items: center; gap: .6rem; }
.field-group-checkbox input { width: 20px; height: 20px; accent-color: var(--color-accent-dark); }
.field-group-checkbox label { font-weight: 400; font-size: .9rem; flex: 1; }
.contact-address { font-style: normal; line-height: 2; margin-bottom: 1.2rem; }
.map-wrap { margin: 1.4rem 0; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
.urgent-block {
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  border-left: 3px solid var(--color-accent-2-dark);
}
.urgent-block h3 { font-size: 1rem; display: flex; align-items: center; gap: .5rem; margin-bottom: .6rem; }
.urgent-block p { color: var(--color-text-muted); font-size: .92rem; }


.thanks-section {
  min-height: calc(100vh - 180px);
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: var(--space-2xl) 0;
}
.thanks-inner { text-align: center; max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 1.2rem; }
.thanks-eyebrow { color: var(--color-accent); }
.thanks-heading { font-size: clamp(2.2rem, 5.5vw, 3.4rem); color: #fff; }
.thanks-text { color: rgba(255,255,255,.85); font-size: 1.1rem; }
.thanks-link { color: var(--color-accent); text-decoration: underline; }


.legal-section { padding: var(--space-lg) 0 var(--space-2xl); }
.legal-inner { max-width: 76ch; margin: 0 auto; }
.legal-inner h2 { margin-top: 2.2rem; font-size: 1.35rem; }
.legal-updated { margin-bottom: 2rem; color: var(--color-text-muted); }


.cookie-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-100%);
  transition: transform .5s cubic-bezier(.7,0,.2,1);
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-banner-text { font-size: .9rem; color: rgba(255,255,255,.85); flex: 1; min-width: 240px; }
.cookie-banner-text a { color: var(--color-accent); text-decoration: underline; }
.cookie-banner-actions { display: flex; gap: .7rem; flex-wrap: wrap; }
.cookie-btn {
  min-height: 44px;
  padding: .6rem 1.3rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: .88rem;
  transition: transform var(--transition), background var(--transition);
}
.cookie-btn-accept { background: var(--color-accent); color: var(--color-primary-dark); }
.cookie-btn-reject { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.4); }
.cookie-btn-settings { background: transparent; color: rgba(255,255,255,.85); text-decoration: underline; }
.cookie-btn:hover { transform: translateY(-1px); }

.cookie-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(19,18,48,.6);
  z-index: 1100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.cookie-modal-overlay.is-visible { display: flex; }
.cookie-modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.cookie-modal h2 { font-size: 1.3rem; }
.cookie-category { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--color-border); }
.cookie-category:last-of-type { border-bottom: none; }
.cookie-category-text h3 { font-size: 1rem; margin-bottom: .3rem; }
.cookie-category-text p { font-size: .86rem; color: var(--color-text-muted); }
.cookie-switch { position: relative; width: 46px; height: 26px; flex-shrink: 0; }
.cookie-switch input { opacity: 0; width: 100%; height: 100%; position: absolute; margin: 0; cursor: pointer; }
.cookie-switch-track { position: absolute; inset: 0; background: var(--color-border); border-radius: var(--radius-pill); transition: background var(--transition); }
.cookie-switch-track::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px;
  background: #fff; border-radius: 50%; box-shadow: var(--shadow-sm); transition: transform var(--transition);
}
.cookie-switch input:checked + .cookie-switch-track { background: var(--color-accent-dark); }
.cookie-switch input:checked + .cookie-switch-track::after { transform: translateX(20px); }
.cookie-switch input:disabled + .cookie-switch-track { background: var(--color-accent-dark); opacity: .6; }
.cookie-modal-actions { display: flex; justify-content: flex-end; gap: .8rem; margin-top: 1.4rem; flex-wrap: wrap; }


.scroll-reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.scroll-reveal.is-visible { opacity: 1; transform: translateY(0); }


@media (max-width: 1024px) {
  .hero-grid, .about-preview-inner, .approach-inner, .contact-grid { grid-template-columns: 1fr; }
  .hero-figure, .about-preview-figure { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .layout-with-toc { grid-template-columns: 1fr; }
  .toc-sidebar { position: static; margin-bottom: 2rem; }
  .lecturer-card, .lecturer-card--reverse { grid-template-columns: 1fr; direction: ltr; }
}

@media (max-width: 900px) {
  .primary-nav { display: none !important; }
  .hamburger { display: flex; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 901px) {
  .primary-nav { display: block; }
  .hamburger { display: none; }
  .bottom-tab-bar { display: none !important; }
}

@media (max-width: 900px) {
  .bottom-tab-bar { display: flex; }
  body { padding-bottom: 70px; }
  main { padding-bottom: 0; }
}

@media (max-width: 640px) {
  .info-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cookie-banner-inner { flex-direction: column; align-items: stretch; }
  .cookie-banner-actions { justify-content: flex-start; }
  .cube-decoration { transform: scale(.7); }
}

@media (max-width: 480px) {
  .hero-heading { font-size: clamp(1.8rem, 8vw, 2.4rem); }
}