/* ============================================================
   VAIDYA WELLNESS — Style System
   Palette: Saffron gold, forest sage, terracotta, warm cream
   Fonts: Zodiak (display) + Work Sans (body)
   ============================================================ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root, [data-theme="light"] {
  /* Surfaces — warm cream/parchment */
  --color-bg:              #f8f4ee;
  --color-surface:         #faf7f2;
  --color-surface-2:       #fdfcf9;
  --color-surface-offset:  #f2ece2;
  --color-surface-dynamic: #e8e0d4;
  --color-divider:         #ddd5c6;
  --color-border:          #d4cabc;

  /* Text */
  --color-text:            #231e15;
  --color-text-muted:      #7a6f5e;
  --color-text-faint:      #b5ac9e;
  --color-text-inverse:    #faf7f2;

  /* Accent — Forest Sage / Deep Green */
  --color-primary:         #2d5a3d;
  --color-primary-hover:   #1e4029;
  --color-primary-active:  #132b1c;
  --color-primary-highlight: #c8d9cd;

  /* Saffron / Gold accent */
  --color-gold:            #c47f17;
  --color-gold-hover:      #a3680e;
  --color-gold-active:     #7e4f09;
  --color-gold-highlight:  #f0ddb8;

  /* Terracotta */
  --color-terra:           #b85c38;
  --color-terra-light:     #f0d4c6;

  /* Functional */
  --color-error:           #9b3535;
  --color-success:         #3a6b2e;

  /* Radii */
  --radius-sm:   0.25rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — warm-toned */
  --shadow-sm: 0 1px 3px oklch(0.2 0.04 60 / 0.07);
  --shadow-md: 0 4px 16px oklch(0.2 0.04 60 / 0.10);
  --shadow-lg: 0 12px 40px oklch(0.2 0.04 60 / 0.15);

  /* Layout */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body:    'Work Sans', 'Helvetica Neue', sans-serif;
}

/* ── Dark Mode ──────────────────────────────────────────────── */
[data-theme="dark"], @media (prefers-color-scheme: dark) { :root:not([data-theme]) {
  --color-bg:              #18150e;
  --color-surface:         #1e1a12;
  --color-surface-2:       #231f16;
  --color-surface-offset:  #1a1710;
  --color-surface-dynamic: #2a2519;
  --color-divider:         #302b1f;
  --color-border:          #3d3829;
  --color-text:            #e8e0d0;
  --color-text-muted:      #8a8070;
  --color-text-faint:      #5a5448;
  --color-text-inverse:    #18150e;
  --color-primary:         #6aad82;
  --color-primary-hover:   #4e9466;
  --color-primary-active:  #35784a;
  --color-primary-highlight: #1e3328;
  --color-gold:            #e8a835;
  --color-gold-hover:      #d4901c;
  --color-gold-active:     #b87010;
  --color-gold-highlight:  #3d2d10;
  --color-terra:           #d47a55;
  --color-terra-light:     #3d2015;
  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.25);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 12px 40px oklch(0 0 0 / 0.45);
}}

[data-theme="dark"] {
  --color-bg:              #18150e;
  --color-surface:         #1e1a12;
  --color-surface-2:       #231f16;
  --color-surface-offset:  #1a1710;
  --color-surface-dynamic: #2a2519;
  --color-divider:         #302b1f;
  --color-border:          #3d3829;
  --color-text:            #e8e0d0;
  --color-text-muted:      #8a8070;
  --color-text-faint:      #5a5448;
  --color-text-inverse:    #18150e;
  --color-primary:         #6aad82;
  --color-primary-hover:   #4e9466;
  --color-primary-active:  #35784a;
  --color-primary-highlight: #1e3328;
  --color-gold:            #e8a835;
  --color-gold-hover:      #d4901c;
  --color-gold-active:     #b87010;
  --color-gold-highlight:  #3d2d10;
  --color-terra:           #d47a55;
  --color-terra-light:     #3d2015;
  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.25);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 12px 40px oklch(0 0 0 / 0.45);
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.2; }
p, li, figcaption { text-wrap: pretty; }

::selection {
  background: color-mix(in oklch, var(--color-gold), transparent 75%);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }

a, button, [role="button"] {
  transition: color var(--transition-interactive),
              background var(--transition-interactive),
              border-color var(--transition-interactive),
              opacity var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0;
}

/* ── Layout Utilities ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
}

.container--narrow {
  max-width: var(--content-narrow);
}

.container--default {
  max-width: var(--content-default);
}

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklch, var(--color-bg), transparent 8%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive);
}

.nav--scrolled {
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.nav__logo svg { flex-shrink: 0; }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav__links a:hover { color: var(--color-text); }
.nav__links a.active { color: var(--color-primary); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.nav__mobile-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }

.nav__mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.nav__mobile-menu.open { display: flex; }

.nav__mobile-menu a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  font-weight: 500;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
}

.nav__mobile-menu a:hover { color: var(--color-text); background: var(--color-surface-offset); }

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__mobile-toggle { display: flex; }
  .nav__actions .btn { display: none; }
}

/* ── Theme Toggle ───────────────────────────────────────────── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-dynamic);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid transparent;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

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

.btn--gold:hover {
  background: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  background: var(--color-surface-offset);
  border-color: var(--color-surface-dynamic);
}

.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}

.btn--outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.8);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

/* ── Hero Section ───────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('images/hero_wellness.png');
  background-size: cover;
  background-position: center 20%;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    oklch(0.12 0.03 60 / 0.35) 0%,
    oklch(0.10 0.04 55 / 0.65) 60%,
    oklch(0.10 0.04 55 / 0.80) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-16) var(--space-6);
  max-width: 820px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
}

.hero__eyebrow::before,
.hero__eyebrow::after {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-gold);
  opacity: 0.7;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  color: #fff;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero__title em {
  font-style: italic;
  color: color-mix(in oklch, var(--color-gold), #fff 40%);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  margin: 0 auto var(--space-10);
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.5);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ── Section Patterns ───────────────────────────────────────── */
.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

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

.section--dark {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.section__header {
  margin-bottom: var(--space-12);
}

.section__header--center {
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.section-title em { font-style: italic; color: var(--color-primary); }

.section-desc {
  margin-top: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: 1.7;
}

/* ── Philosophy / About Section ─────────────────────────────── */
.philosophy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: center;
}

.philosophy__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.philosophy__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.philosophy__image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08);
}

.philosophy__content { display: flex; flex-direction: column; gap: var(--space-6); }
.philosophy__quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-primary);
  line-height: 1.4;
  padding-left: var(--space-6);
  border-left: 3px solid var(--color-gold);
}

.philosophy__body { color: var(--color-text-muted); line-height: 1.75; }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.pillar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.pillar__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-gold);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .philosophy { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr 1fr; }
}

/* ── Course Cards ────────────────────────────────────────────── */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

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

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

.course-card__image {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}

.course-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.course-card:hover .course-card__image img { transform: scale(1.04); }

.course-card__badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: var(--color-gold);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.course-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.course-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.course-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.3;
}

.course-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.course-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
  margin-top: auto;
}

.course-card__price {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
}

.course-card__price span {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  font-family: var(--font-body);
}

@media (max-width: 900px) {
  .courses-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .courses-grid { grid-template-columns: 1fr; }
}

/* ── Blog Cards ─────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-6);
}

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

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

.blog-card__image {
  overflow: hidden;
  aspect-ratio: 16/9;
}

.blog-card--featured .blog-card__image {
  aspect-ratio: 4/3;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-card:hover .blog-card__image img { transform: scale(1.04); }

.blog-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.blog-card__category {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.blog-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.3;
}

.blog-card--featured .blog-card__title {
  font-size: var(--text-xl);
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}

.blog-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: 1fr 1fr;
  }
  .blog-card--featured {
    grid-column: 1 / -1;
  }
}
@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
}

/* ── Testimonials / Pull Quote ───────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.testimonial-card__stars {
  display: flex;
  gap: var(--space-1);
  color: var(--color-gold);
}

.testimonial-card__quote {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-style: italic;
  line-height: 1.75;
  color: var(--color-text);
  flex: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-primary);
  font-weight: 500;
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.testimonial-card__location {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .testimonials-grid { grid-template-columns: 1fr; }
}

/* ── CTA Banner ─────────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, color-mix(in oklch, var(--color-primary), black 20%) 100%);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-12), 6vw, var(--space-20)) clamp(var(--space-8), 5vw, var(--space-16));
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-banner__content {
  position: relative;
  z-index: 1;
}

.cta-banner__eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.cta-banner__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: #fff;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.cta-banner__desc {
  color: rgba(255,255,255,0.75);
  font-size: var(--text-base);
  max-width: 50ch;
  margin: 0 auto var(--space-8);
  line-height: 1.65;
}

.cta-banner__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ── Stats Strip ─────────────────────────────────────────────── */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
}

.stat {
  text-align: center;
  padding: var(--space-4);
  border-right: 1px solid var(--color-divider);
}

.stat:last-child { border-right: none; }

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (max-width: 600px) {
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: 1px solid var(--color-divider); }
  .stat:nth-child(2n) { border-bottom: 1px solid var(--color-divider); }
  .stat:last-child, .stat:nth-last-child(2):nth-child(odd) { border-bottom: none; }
}

/* ── Page Header ─────────────────────────────────────────────── */
.page-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  text-align: center;
}

.page-header__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.page-header__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-inline: auto;
  line-height: 1.7;
}

/* ── Course Detail Page ─────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ── Blog Page ───────────────────────────────────────────────── */
.blog-featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-10);
  align-items: center;
  padding: var(--space-10);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-16);
  text-decoration: none;
  color: var(--color-text);
  transition: box-shadow var(--transition-interactive);
}

.blog-featured:hover { box-shadow: var(--shadow-lg); }

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

.blog-featured__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-featured__category { margin-bottom: var(--space-3); }

.blog-featured__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.blog-featured__excerpt {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.blog-featured__meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

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

/* ── Blog full grid ──────────────────────────────────────────── */
.blog-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .blog-full-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .blog-full-grid { grid-template-columns: 1fr; }
}

/* ── Newsletter strip ────────────────────────────────────────── */
.newsletter {
  background: var(--color-gold-highlight);
  border: 1px solid color-mix(in oklch, var(--color-gold), transparent 60%);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 5vw, var(--space-16)) clamp(var(--space-8), 4vw, var(--space-12));
  text-align: center;
}

[data-theme="dark"] .newsletter {
  background: var(--color-gold-highlight);
  border-color: color-mix(in oklch, var(--color-gold), transparent 70%);
}

.newsletter__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-3);
}

.newsletter__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.newsletter__form {
  display: flex;
  gap: var(--space-3);
  max-width: 440px;
  margin-inline: auto;
  flex-wrap: wrap;
}

.newsletter__input {
  flex: 1;
  min-width: 200px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  font-size: var(--text-sm);
}

.newsletter__input:focus {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
  border-color: var(--color-gold);
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-6);
  max-width: 30ch;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer__social-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.footer__col-title {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.footer__links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer__links a:hover { color: var(--color-text); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}

.footer__legal {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__attribution a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
}

.footer__attribution a:hover { color: var(--color-text-muted); }

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
}

/* ── Divider ornament ────────────────────────────────────────── */
.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-block: var(--space-16);
  color: var(--color-text-faint);
}

.ornament::before,
.ornament::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-divider);
}

/* ── View all link ───────────────────────────────────────────── */
.view-all {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
}

.view-all:hover { color: var(--color-primary-hover); }

/* ── Section header with link ────────────────────────────────── */
.section__header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ── Scroll Reveal ───────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

/* ── Currently Exploring Grid ───────────────────────────────── */
.exploring-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.exploring-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

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

.exploring-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.exploring-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
}

.exploring-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .exploring-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .exploring-grid { grid-template-columns: 1fr; }
}