/* =========================================================
   XIRELTON — Main Stylesheet
   Writing Workshop UI / Editorial Style
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600&family=DM+Serif+Display:ital@0;1&display=swap');

/* =========================================================
   CSS CUSTOM PROPERTIES / DESIGN TOKENS
   ========================================================= */
:root {
  /* Colors */
  --color-bg:          #F7F4EF;
  --color-surface:     #FFFFFF;
  --color-ink:         #1A1A18;
  --color-ink-soft:    #3D3D39;
  --color-ink-muted:   #7A7A74;
  --color-ink-faint:   #B8B8B2;
  --color-blue:        #2C4A6E;
  --color-blue-light:  #EAF0F8;
  --color-gold:        #C08A3A;
  --color-gold-light:  #F9F0E3;
  --color-border:      #E2DDD6;
  --color-border-dark: #C8C3BB;

  /* Typography */
  --font-serif:   'DM Serif Display', 'Playfair Display', Georgia, serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;
  --space-5xl:  8rem;

  /* Layout */
  --max-width:        1200px;
  --max-width-narrow: 800px;
  --max-width-wide:   1440px;
  --header-h:         72px;

  /* Radius */
  --radius-sm: 2px;
  --radius-md: 6px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(26,26,24,0.08);
  --shadow-md:  0 4px 16px rgba(26,26,24,0.10);
  --shadow-lg:  0 12px 40px rgba(26,26,24,0.13);

  /* Transitions */
  --transition: 0.22s ease;
}

/* =========================================================
   RESET & BASE
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.18;
  font-weight: 500;
  color: var(--color-ink);
}

p {
  line-height: 1.72;
  color: var(--color-ink-soft);
}

/* =========================================================
   LAYOUT CONTAINERS
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* =========================================================
   TYPOGRAPHY UTILITIES
   ========================================================= */
.serif     { font-family: var(--font-display); }
.italic    { font-style: italic; }

.text-xs   { font-size: 0.75rem; }
.text-sm   { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg   { font-size: 1.125rem; }
.text-xl   { font-size: 1.25rem; }
.text-2xl  { font-size: 1.5rem; }
.text-3xl  { font-size: 2rem; }
.text-4xl  { font-size: 2.75rem; }
.text-5xl  { font-size: 3.5rem; }
.text-6xl  { font-size: 4.5rem; }

.text-ink       { color: var(--color-ink); }
.text-muted     { color: var(--color-ink-muted); }
.text-faint     { color: var(--color-ink-faint); }
.text-blue      { color: var(--color-blue); }
.text-gold      { color: var(--color-gold); }

.font-light    { font-weight: 300; }
.font-normal   { font-weight: 400; }
.font-medium   { font-weight: 500; }
.font-semibold { font-weight: 600; }

.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }

.leading-tight  { line-height: 1.15; }
.leading-snug   { line-height: 1.3; }
.leading-normal { line-height: 1.5; }
.leading-relaxed{ line-height: 1.7; }

.tracking-wide   { letter-spacing: 0.06em; }
.tracking-wider  { letter-spacing: 0.1em; }
.tracking-widest { letter-spacing: 0.18em; }

.uppercase { text-transform: uppercase; }

/* =========================================================
   SECTION SPACING
   ========================================================= */
.section {
  padding: var(--space-5xl) 0;
}

.section--sm {
  padding: var(--space-3xl) 0;
}

.section--lg {
  padding: calc(var(--space-5xl) * 1.4) 0;
}

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

.section--blue-light {
  background-color: var(--color-blue-light);
}

.section--gold-light {
  background-color: var(--color-gold-light);
}

.section--ink {
  background-color: var(--color-ink);
  color: var(--color-bg);
}

.section--ink h1,
.section--ink h2,
.section--ink h3,
.section--ink h4 {
  color: var(--color-bg);
}

.section--ink p {
  color: rgba(247,244,239,0.75);
}

/* =========================================================
   SECTION HEADER
   ========================================================= */
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.6rem);
  font-weight: 500;
  line-height: 1.18;
  margin-bottom: var(--space-lg);
  color: var(--color-ink);
}

.section-subtitle {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-ink-muted);
  max-width: 560px;
}

.section-header {
  margin-bottom: var(--space-3xl);
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-subtitle {
  margin: 0 auto;
}

/* =========================================================
   DIVIDERS
   ========================================================= */
.divider {
  width: 40px;
  height: 2px;
  background-color: var(--color-gold);
  margin: var(--space-lg) 0;
}

.divider--center {
  margin: var(--space-lg) auto;
}

hr.rule {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
}

/* =========================================================
   HEADER / NAVIGATION
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: 100%;
}

.site-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  text-decoration: none;
}

.site-logo__word {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  line-height: 1;
}

.site-logo__tagline {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 500;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.site-nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  letter-spacing: 0.01em;
  transition: color var(--transition);
  position: relative;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: width var(--transition);
}

.site-nav__link:hover,
.site-nav__link.active {
  color: var(--color-ink);
}

.site-nav__link:hover::after,
.site-nav__link.active::after {
  width: 100%;
}

/* Dropdown */
.nav-item {
  position: relative;
}

.nav-item__toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  transition: color var(--transition);
  background: none;
  border: none;
  padding: 0;
}

.nav-item__toggle:hover {
  color: var(--color-ink);
}

.nav-item__toggle svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
}

.nav-item:hover .nav-item__toggle svg {
  transform: rotate(180deg);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 16px);
  left: -16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 200;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown__link {
  display: block;
  padding: 10px 20px;
  font-size: 0.875rem;
  color: var(--color-ink-soft);
  transition: background-color var(--transition), color var(--transition);
  border-bottom: 1px solid var(--color-border);
}

.nav-dropdown__link:last-child {
  border-bottom: none;
}

.nav-dropdown__link:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.nav-dropdown__link:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.nav-dropdown__link:hover {
  background-color: var(--color-bg);
  color: var(--color-ink);
}

/* CTA Button in header */
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: var(--color-blue);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-nav-cta:hover {
  background-color: var(--color-ink);
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-ink);
  transition: all var(--transition);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-surface);
  z-index: 99;
  overflow-y: auto;
  padding: var(--space-2xl) var(--space-xl);
  flex-direction: column;
  gap: var(--space-sm);
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav__link {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-ink);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  display: block;
  transition: color var(--transition);
}

.mobile-nav__link:hover {
  color: var(--color-gold);
}

.mobile-nav__cta {
  margin-top: var(--space-xl);
  display: inline-flex;
  align-items: center;
  background-color: var(--color-blue);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  text-align: center;
  justify-content: center;
  transition: background-color var(--transition);
}

.mobile-nav__cta:hover {
  background-color: var(--color-ink);
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background-color: var(--color-ink);
  color: rgba(247,244,239,0.8);
  padding: var(--space-5xl) 0 var(--space-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(247,244,239,0.1);
}

.footer-brand__logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-bg);
  margin-bottom: var(--space-md);
  display: block;
}

.footer-brand__tagline {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 500;
  display: block;
  margin-bottom: var(--space-lg);
}

.footer-brand__desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(247,244,239,0.6);
  margin-bottom: var(--space-xl);
  max-width: 280px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: rgba(247,244,239,0.6);
  margin-bottom: var(--space-md);
}

.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-gold);
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-bg);
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  font-size: 0.875rem;
  color: rgba(247,244,239,0.6);
  transition: color var(--transition);
  line-height: 1.5;
}

.footer-link:hover {
  color: var(--color-gold);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: 0.8125rem;
  color: rgba(247,244,239,0.4);
}

.footer-policy-links {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer-policy-link {
  font-size: 0.8125rem;
  color: rgba(247,244,239,0.45);
  transition: color var(--transition);
}

.footer-policy-link:hover {
  color: rgba(247,244,239,0.8);
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  border-radius: var(--radius-sm);
  padding: 13px 28px;
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-blue);
  color: #fff;
}

.btn--primary:hover {
  background-color: #1e3550;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(44,74,110,0.3);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-ink);
  border: 1.5px solid var(--color-border-dark);
}

.btn--secondary:hover {
  border-color: var(--color-ink);
  background-color: var(--color-ink);
  color: var(--color-bg);
}

.btn--gold {
  background-color: var(--color-gold);
  color: #fff;
}

.btn--gold:hover {
  background-color: #a87530;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(192,138,58,0.3);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-blue);
  border: 1.5px solid var(--color-blue);
}

.btn--ghost:hover {
  background-color: var(--color-blue);
  color: #fff;
}

.btn--white {
  background-color: #fff;
  color: var(--color-ink);
}

.btn--white:hover {
  background-color: var(--color-bg);
  transform: translateY(-1px);
}

.btn--lg {
  font-size: 1rem;
  padding: 16px 36px;
}

.btn--sm {
  font-size: 0.8125rem;
  padding: 9px 18px;
}

.btn--full {
  width: 100%;
}

/* Arrow link */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-blue);
  transition: gap var(--transition), color var(--transition);
  text-decoration: none;
}

.link-arrow:hover {
  gap: 10px;
  color: var(--color-ink);
}

.link-arrow svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* =========================================================
   HERO — HOME
   ========================================================= */
.hero {
  padding: calc(var(--space-5xl) * 1.3) 0 var(--space-5xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(247,244,239,0) 0%, var(--color-bg) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.hero__overline {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-lg);
  display: block;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--color-ink);
  margin-bottom: var(--space-xl);
  letter-spacing: -0.02em;
}

.hero__title em {
  font-style: italic;
  color: var(--color-blue);
}

.hero__desc {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.72;
  color: var(--color-ink-muted);
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-4xl);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  font-weight: 500;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--color-ink-faint), transparent);
}

/* =========================================================
   HERO — INNER PAGES (page-hero)
   ========================================================= */
.page-hero {
  padding: var(--space-5xl) 0 var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.page-hero--center {
  text-align: center;
}

.page-hero__eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-ink);
  margin-bottom: var(--space-lg);
}

.page-hero__desc {
  font-size: 1.0625rem;
  line-height: 1.72;
  color: var(--color-ink-muted);
  max-width: 580px;
}

.page-hero--center .page-hero__desc {
  margin: 0 auto;
}

/* =========================================================
   BREADCRUMB
   ========================================================= */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-lg);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.breadcrumb__item a {
  color: var(--color-ink-muted);
  transition: color var(--transition);
}

.breadcrumb__item a:hover {
  color: var(--color-blue);
}

.breadcrumb__sep {
  color: var(--color-ink-faint);
  font-size: 0.75rem;
}

/* =========================================================
   CARDS
   ========================================================= */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.card__image {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
}

.card__body {
  padding: var(--space-xl);
}

.card__eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.card__desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-lg);
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
}

.card__meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.card__meta-item svg {
  width: 14px;
  height: 14px;
  color: var(--color-gold);
}

.card__footer {
  padding: var(--space-md) var(--space-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* =========================================================
   COURSE GRID
   ========================================================= */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.course-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}

.course-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.course-card__img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
}

.course-card__body {
  padding: var(--space-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-card__level {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.course-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.28;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.course-card__desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-ink-muted);
  margin-bottom: auto;
  padding-bottom: var(--space-lg);
}

.course-card__stats {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
}

.course-card__stat {
  display: flex;
  align-items: center;
  gap: 5px;
}

.course-card__stat svg {
  width: 14px;
  height: 14px;
  color: var(--color-gold);
  flex-shrink: 0;
}

/* =========================================================
   BLOG GRID
   ========================================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.blog-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
}

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

.blog-card__img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
}

.blog-card__body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__category {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
  transition: color var(--transition);
}

.blog-card:hover .blog-card__title {
  color: var(--color-blue);
}

.blog-card__excerpt {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-ink-muted);
  margin-bottom: auto;
  padding-bottom: var(--space-lg);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* =========================================================
   STATS ROW
   ========================================================= */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.stat-cell {
  background-color: var(--color-surface);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
}

.stat-cell__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-cell__number span {
  color: var(--color-gold);
}

.stat-cell__label {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* =========================================================
   TESTIMONIALS
   ========================================================= */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  position: relative;
}

.testimonial-card__quote-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 0.6;
  color: var(--color-gold);
  opacity: 0.25;
  position: absolute;
  top: var(--space-lg);
  left: var(--space-xl);
  font-style: italic;
  pointer-events: none;
}

.testimonial-card__text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-xl);
  padding-top: var(--space-xl);
  position: relative;
  z-index: 1;
}

.testimonial-card__stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--space-md);
  color: var(--color-gold);
}

.testimonial-card__stars svg {
  width: 14px;
  height: 14px;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--color-border);
}

.testimonial-card__name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-ink);
  line-height: 1.3;
}

.testimonial-card__role {
  font-size: 0.8rem;
  color: var(--color-ink-muted);
}

/* =========================================================
   INSTRUCTOR CARD
   ========================================================= */
.instructor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.instructor-card {
  text-align: center;
}

.instructor-card__photo-wrap {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto var(--space-lg);
  border: 3px solid var(--color-border);
}

.instructor-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.instructor-card__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.instructor-card__title {
  font-size: 0.8125rem;
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.instructor-card__bio {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-ink-muted);
}

/* =========================================================
   FEATURES / HOW IT WORKS
   ========================================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.feature-item {
  padding: var(--space-2xl);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background-color: var(--color-gold);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-item:hover::before {
  opacity: 1;
}

.feature-item__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-blue-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-blue);
}

.feature-item__icon svg {
  width: 24px;
  height: 24px;
}

.feature-item__number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 500;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.feature-item__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.feature-item__desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-ink-muted);
}

/* =========================================================
   SPLIT SECTIONS (image + text)
   ========================================================= */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.split-section--reverse {
  direction: rtl;
}

.split-section--reverse > * {
  direction: ltr;
}

.split-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.split-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* =========================================================
   FORMS
   ========================================================= */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9375rem;
  color: var(--color-ink);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  line-height: 1.5;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-ink-faint);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(44,74,110,0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237A7A74' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-note {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
}

.form-success {
  display: none;
  background-color: #e8f5e9;
  border: 1px solid #a5d6a7;
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
  font-size: 0.9375rem;
  color: #2e7d32;
  font-weight: 500;
}

.form-success.visible {
  display: block;
}

/* =========================================================
   ACCORDION / FAQ
   ========================================================= */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-xl) var(--space-2xl);
  background-color: var(--color-surface);
  cursor: pointer;
  transition: background-color var(--transition);
  border: none;
  text-align: left;
}

.accordion-trigger:hover {
  background-color: var(--color-bg);
}

.accordion-trigger__text {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.3;
}

.accordion-trigger__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-gold);
  transition: transform var(--transition);
}

.accordion-item.open .accordion-trigger__icon {
  transform: rotate(45deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 var(--space-2xl);
}

.accordion-item.open .accordion-body {
  max-height: 600px;
  padding: 0 var(--space-2xl) var(--space-xl);
}

.accordion-body p {
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--color-ink-muted);
}

/* =========================================================
   TABS
   ========================================================= */
.tabs {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.tab-list {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  gap: 0;
  overflow-x: auto;
}

.tab-btn {
  padding: var(--space-md) var(--space-xl);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-ink-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
}

.tab-btn.active {
  color: var(--color-blue);
  border-bottom-color: var(--color-blue);
}

.tab-btn:hover:not(.active) {
  color: var(--color-ink);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* =========================================================
   CALL TO ACTION BAND
   ========================================================= */
.cta-band {
  background-color: var(--color-blue);
  padding: var(--space-4xl) 0;
  text-align: center;
}

.cta-band__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.8rem);
  font-weight: 500;
  color: #fff;
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.cta-band__desc {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.65;
}

/* =========================================================
   TAGS
   ========================================================= */
.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 2px;
  background-color: var(--color-blue-light);
  color: var(--color-blue);
  text-transform: uppercase;
}

.tag--gold {
  background-color: var(--color-gold-light);
  color: var(--color-gold);
}

.tag--ink {
  background-color: var(--color-ink);
  color: var(--color-bg);
}

/* =========================================================
   PROSE / ARTICLE BODY
   ========================================================= */
.prose {
  max-width: 720px;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  color: var(--color-ink);
}

.prose h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--color-ink);
}

.prose p {
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-lg);
}

.prose ul {
  list-style: disc;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.prose ol {
  list-style: decimal;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.prose li {
  font-size: 1.0625rem;
  line-height: 1.72;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-sm);
  padding-left: var(--space-sm);
}

.prose blockquote {
  border-left: 3px solid var(--color-gold);
  padding: var(--space-md) var(--space-xl);
  margin: var(--space-2xl) 0;
  background-color: var(--color-gold-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.prose blockquote p {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-ink);
  margin-bottom: 0;
  line-height: 1.6;
}

.prose a {
  color: var(--color-blue);
  text-decoration: underline;
  text-decoration-color: rgba(44,74,110,0.3);
  transition: text-decoration-color var(--transition);
}

.prose a:hover {
  text-decoration-color: var(--color-blue);
}

.prose strong {
  font-weight: 600;
  color: var(--color-ink);
}

/* =========================================================
   SIDEBAR
   ========================================================= */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.sidebar-widget {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.sidebar-widget__header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink);
}

.sidebar-widget__body {
  padding: var(--space-xl);
}

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}

.sidebar-link:last-child {
  border-bottom: none;
}

.sidebar-link:hover {
  color: var(--color-blue);
}

/* =========================================================
   PAGE LAYOUT WITH SIDEBAR
   ========================================================= */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-4xl);
  align-items: start;
}

/* =========================================================
   COOKIE NOTICE
   ========================================================= */
.cookie-notice {
  position: fixed;
  bottom: var(--space-xl);
  left: var(--space-xl);
  right: var(--space-xl);
  max-width: 560px;
  background-color: var(--color-ink);
  color: rgba(247,244,239,0.85);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-2xl);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  display: none;
}

.cookie-notice.visible {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
}

.cookie-notice__text {
  font-size: 0.875rem;
  line-height: 1.6;
  flex: 1;
}

.cookie-notice__text a {
  color: var(--color-gold);
  text-decoration: underline;
}

.cookie-notice__actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
  align-items: center;
  flex-wrap: wrap;
}

.cookie-accept {
  font-size: 0.8125rem;
  font-weight: 600;
  background-color: var(--color-gold);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition);
  white-space: nowrap;
}

.cookie-accept:hover {
  background-color: #a87530;
}

.cookie-decline {
  font-size: 0.8125rem;
  font-weight: 500;
  background: none;
  color: rgba(247,244,239,0.55);
  border: none;
  cursor: pointer;
  padding: 8px;
  transition: color var(--transition);
  white-space: nowrap;
}

.cookie-decline:hover {
  color: rgba(247,244,239,0.9);
}

/* =========================================================
   BACK TO TOP
   ========================================================= */
.back-to-top {
  position: fixed;
  bottom: var(--space-2xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  background-color: var(--color-ink);
  color: var(--color-bg);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 80;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-blue);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* =========================================================
   POLICY PAGES
   ========================================================= */
.policy-content {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-5xl) var(--space-xl);
}

.policy-content h1 {
  font-family: var(--font-display);
  font-size: 2.25rem;
  margin-bottom: var(--space-sm);
}

.policy-content .policy-date {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-3xl);
  display: block;
}

.policy-content h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-md);
  color: var(--color-ink);
}

.policy-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-ink);
}

.policy-content p {
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-lg);
}

.policy-content ul {
  list-style: disc;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.policy-content li {
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-sm);
}

.policy-content a {
  color: var(--color-blue);
  text-decoration: underline;
}

/* =========================================================
   NOTIFICATION BAR (top)
   ========================================================= */
.notice-bar {
  background-color: var(--color-blue);
  color: #fff;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 10px var(--space-xl);
  letter-spacing: 0.03em;
}

.notice-bar a {
  color: rgba(255,255,255,0.85);
  text-decoration: underline;
  margin-left: 8px;
}

/* =========================================================
   RESOURCE CARDS
   ========================================================= */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.resource-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.resource-card__icon {
  width: 52px;
  height: 52px;
  background-color: var(--color-blue-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue);
}

.resource-card__icon svg {
  width: 26px;
  height: 26px;
}

.resource-card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-ink);
}

.resource-card__desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-ink-muted);
  flex: 1;
}

/* =========================================================
   CHECKLIST
   ========================================================= */
.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.checklist-item::before {
  content: '';
  width: 20px;
  height: 20px;
  min-width: 20px;
  background-color: var(--color-blue-light);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='10' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3.5 3.5L11 1' stroke='%232C4A6E' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 2px;
}

/* =========================================================
   PAGINATION
   ========================================================= */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-3xl);
}

.page-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-ink-soft);
  transition: all var(--transition);
  text-decoration: none;
}

.page-btn:hover,
.page-btn.current {
  background-color: var(--color-blue);
  border-color: var(--color-blue);
  color: #fff;
}

/* =========================================================
   404 PAGE
   ========================================================= */
.not-found {
  min-height: calc(100vh - var(--header-h) - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-5xl) var(--space-xl);
}

.not-found__code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 500;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: var(--space-xl);
}

.not-found__title {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
}

.not-found__desc {
  font-size: 1.0625rem;
  color: var(--color-ink-muted);
  max-width: 440px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.65;
}

/* =========================================================
   UTILITY CLASSES
   ========================================================= */
.flex           { display: flex; }
.flex-col       { flex-direction: column; }
.items-center   { align-items: center; }
.items-start    { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between{ justify-content: space-between; }
.gap-sm  { gap: var(--space-sm); }
.gap-md  { gap: var(--space-md); }
.gap-lg  { gap: var(--space-lg); }
.gap-xl  { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }
.mb-xl  { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }

.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mt-xl  { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.w-full  { width: 100%; }
.h-full  { height: 100%; }
.hidden  { display: none; }
.block   { display: block; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1100px) {
  .course-grid,
  .features-grid,
  .blog-grid,
  .testimonial-grid,
  .resource-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .instructor-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-with-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space-5xl: 5rem;
    --space-4xl: 3.5rem;
    --space-3xl: 3rem;
  }

  .site-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .course-grid,
  .features-grid,
  .blog-grid,
  .testimonial-grid,
  .resource-grid,
  .instructor-grid {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-brand__desc {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }

  .split-section {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .split-section--reverse {
    direction: ltr;
  }

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

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .content-with-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: flex;
    flex-direction: column;
    order: -1;
  }

  .cookie-notice.visible {
    flex-direction: column;
    gap: var(--space-md);
  }

  .cookie-notice__actions {
    width: 100%;
    justify-content: flex-end;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-lg);
  }

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

  .section {
    padding: var(--space-4xl) 0;
  }

  .hero {
    padding: var(--space-4xl) 0 var(--space-3xl);
  }

  .footer-policy-links {
    gap: var(--space-lg);
  }
}