/* ============================================================
   BLENDER USTAD — Main Stylesheet
   Design: Dark Blender-UI theme, orange + cyan accents
   ============================================================ */

/* ── Google Fonts loaded in HTML ── */

/* ── 1. CSS Custom Properties ── */
:root {
  --bg:        #0d0d0d;
  --surface:   #1a1a1a;
  --card:      #1e1e1e;
  --card-alt:  #242424;
  --border:    #2e2e2e;
  --orange:    #FF6B00;
  --orange-h:  #FF8C33;
  --cyan:      #00B4D8;
  --cyan-h:    #0096B7;
  --text:      #EFEFEF;
  --muted:     #888888;
  --muted2:    #555555;
  --white:     #FFFFFF;
  --font-head: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius:    6px;
  --radius-lg: 12px;
  --shadow:    0 4px 24px rgba(0,0,0,0.5);
  --glow-o:    0 0 24px rgba(255,107,0,0.25);
  --glow-c:    0 0 24px rgba(0,180,216,0.25);
  --transition: 0.25s ease;
}

/* ── 2. Reset + Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
  content-visibility: auto; /* skip rendering off-screen images */
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* Grid background pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,107,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,0,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* ── 3. Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
h4 { font-size: 1rem; }

p { margin-bottom: 1rem; color: var(--muted); }
p:last-child { margin-bottom: 0; }

.section-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  margin-bottom: 0.5rem;
}

.section-sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 2.5rem;
}

/* ── 4. Layout Utilities ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }

/* ── 5. Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--orange-h);
  box-shadow: var(--glow-o);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}

.btn-cyan {
  background: var(--cyan);
  color: #000;
}
.btn-cyan:hover {
  background: var(--cyan-h);
  box-shadow: var(--glow-c);
  transform: translateY(-2px);
}

.btn-outline-orange {
  background: transparent;
  color: var(--orange);
  border: 1px solid var(--orange);
}
.btn-outline-orange:hover {
  background: var(--orange);
  color: var(--white);
  box-shadow: var(--glow-o);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.7rem;
}

.btn-group { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ── 6. Navigation ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13,13,13,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(13,13,13,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-logo img {
  height: 36px;
  width: auto;
}

.nav-logo-text {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
}

.nav-logo-text span { color: var(--orange); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--orange);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--orange);
}

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

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

.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile nav */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  gap: 1rem;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-mobile a:hover { color: var(--orange); }

/* ── 7. Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--orange);
  box-shadow: var(--glow-o);
  transform: translateY(-4px);
}

.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

.card-body { padding: 1.25rem; }

.card-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-family: var(--font-head);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.badge-orange { background: rgba(255,107,0,0.15); color: var(--orange); }
.badge-cyan { background: rgba(0,180,216,0.15); color: var(--cyan); }
.badge-green { background: rgba(0,200,100,0.15); color: #00C864; }
.badge-gray { background: rgba(255,255,255,0.08); color: var(--muted); }

.card-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--text);
  line-height: 1.3;
}

.card-meta {
  font-size: 0.75rem;
  color: var(--muted2);
  margin-bottom: 0.75rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.card-desc { font-size: 0.88rem; color: var(--muted); margin-bottom: 1rem; }

/* Price tag */
.price-tag {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--orange);
}
.price-free { color: #00C864; }

/* ── 8. Hero Section ── */
.hero {
  min-height: 100vh;
  padding: 8rem 0 0;
  display: flex;
  align-items: flex-end;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  opacity: 0.12;
}
.hero-glow-1 { background: var(--orange); top: -100px; left: -100px; }
.hero-glow-2 { background: var(--cyan); bottom: -100px; right: -100px; }

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: flex-end;
  width: 100%;
}

.hero-content {
  padding-bottom: 4rem;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,107,0,0.1);
  border: 1px solid rgba(255,107,0,0.3);
  border-radius: 100px;
  padding: 0.3rem 1rem;
  font-size: 0.72rem;
  font-family: var(--font-head);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1.5rem;
}

.hero-title { margin-bottom: 1.25rem; }
.hero-title .accent { color: var(--orange); }

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 2rem;
  max-width: 480px;
}

.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.hero-img {
  width: 100%;
  max-width: 420px;
  object-fit: cover;
  object-position: top;
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 0;
  vertical-align: bottom;
}

.hero-img-ground {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 30px;
  background: radial-gradient(ellipse, rgba(255,107,0,0.4) 0%, transparent 70%);
  filter: blur(8px);
  z-index: 2;
  pointer-events: none;
}

/* Stats bar */
.stats-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
  position: relative;
  z-index: 1;
}

.stats-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.stat-item { text-align: center; }

.stat-number {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--orange);
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── 9. Masterclass Section ── */
.masterclass {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.masterclass-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.masterclass-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0,180,216,0.1);
  border: 1px solid rgba(0,180,216,0.3);
  border-radius: 100px;
  padding: 0.3rem 1rem;
  font-size: 0.7rem;
  font-family: var(--font-head);
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.masterclass-features {
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.feature-item::before {
  content: '▸';
  color: var(--orange);
  font-size: 0.7rem;
  flex-shrink: 0;
}

.masterclass-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.masterclass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.mc-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 0.8rem;
  color: var(--muted);
  min-height: 200px;
  background: linear-gradient(135deg, #111 0%, #1a1200 50%, #111 100%);
  position: relative;
}

.mc-card-img-inner {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.mc-udemy-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: #A435F0;
  color: white;
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
}

.mc-card-body { padding: 1.5rem; }

.mc-card-title {
  font-family: var(--font-head);
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.mc-card-includes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.mc-tag {
  font-size: 0.7rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  color: var(--muted);
}

/* ── 10. Addon Section ── */
.addons { background: var(--bg); }

.addons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1rem;
}

.addon-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.addon-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
  opacity: 0;
  transition: var(--transition);
}

.addon-card:hover {
  border-color: var(--orange);
  box-shadow: var(--glow-o);
  transform: translateY(-4px);
}

.addon-card:hover::before { opacity: 1; }

.addon-img-wrap {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, #111, #1a1a1a);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.addon-img-placeholder {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(255,107,0,0.1);
  border: 1px solid rgba(255,107,0,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
}

/* Addon styled thumbnails */
.addon-thumb-paint {
  background: linear-gradient(135deg, #1a0f00 0%, #2a1800 50%, #0d0d0d 100%);
  flex-direction: column;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.addon-thumb-fixer {
  background: linear-gradient(135deg, #001018 0%, #001a24 50%, #0d0d0d 100%);
  flex-direction: column;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.addon-thumb-icon {
  font-size: 3rem;
  line-height: 1;
  filter: drop-shadow(0 0 12px rgba(255,107,0,0.4));
}

.addon-thumb-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.addon-body { padding: 1.5rem; }

.addon-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.addon-title {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--text);
  line-height: 1.3;
}

.addon-price {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--orange);
  white-space: nowrap;
  margin-left: 1rem;
}

.addon-desc {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.addon-features {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.addon-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.addon-feature-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
}

.addon-compat {
  font-size: 0.72rem;
  color: var(--muted2);
  font-family: var(--font-head);
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

/* ── 11. Store / Products ── */
.store-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--orange);
  box-shadow: var(--glow-o);
  transform: translateY(-4px);
}

.product-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: #111;
}

.product-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.product-title {
  font-family: var(--font-head);
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.3;
  flex: 1;
}

.product-price {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--orange);
  margin-left: 0.75rem;
  white-space: nowrap;
}
.product-price.free { color: #00C864; }

.product-desc {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 1rem;
  flex: 1;
}

/* Filter tabs */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-tab {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
}

.filter-tab:hover,
.filter-tab.active {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(255,107,0,0.08);
}

.product-card[data-hidden="true"] { display: none; }

/* ── 12. Course Grid ── */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.course-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.course-card:hover {
  border-color: var(--orange);
  box-shadow: var(--glow-o);
  transform: translateY(-3px);
}

.course-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #111;
}

.course-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

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

.course-price-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

.course-price-badge.free  { background: #00C864; color: #000; }
.course-price-badge.paid  { background: rgba(0,0,0,0.7); color: var(--muted); border: 1px solid var(--border); }
.course-price-badge.hot   { background: var(--orange); color: #fff; }

.course-card-body {
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.course-title {
  font-family: var(--font-head);
  font-size: 0.78rem;
  color: var(--text);
  line-height: 1.35;
}

.course-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.7rem;
  margin-top: auto;
  padding-top: 0.4rem;
  border-top: 1px solid var(--border);
}

.course-stars { color: #f5a623; }
.course-stars span { color: var(--muted); font-size: 0.68rem; }
.course-students { color: var(--muted2); font-size: 0.68rem; }

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

@media (max-width: 500px) {
  .course-grid { grid-template-columns: 1fr; }
}

/* ── 13. Blog Section ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.blog-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: var(--orange);
  box-shadow: var(--glow-o);
  transform: translateY(-4px);
}

.blog-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: #111;
}

.blog-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-title {
  font-family: var(--font-head);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text);
  line-height: 1.35;
  flex: 1;
}

.blog-card-date {
  font-size: 0.72rem;
  color: var(--muted2);
  margin-top: 0.75rem;
}

/* ── 13. About / Author Section ── */
.about {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  min-height: 420px;
  background: #0a0a0a;
}

/* World map background */
.about-world-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.about-world-map {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.12;
  filter: invert(1) sepia(1) saturate(2) hue-rotate(10deg);
  display: block;
}

/* Glowing student dots */
.world-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 6px 2px rgba(255,107,0,0.6);
  animation: pulse-dot 2.5s ease-in-out infinite;
}

.world-dot:nth-child(even) {
  background: var(--cyan);
  box-shadow: 0 0 6px 2px rgba(0,180,216,0.6);
  animation-delay: 1.2s;
}

.world-dot-lg {
  width: 9px;
  height: 9px;
  box-shadow: 0 0 10px 4px rgba(255,107,0,0.5);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.5); }
}

.about-world-label {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255,107,0,0.12);
  border: 1px solid rgba(255,107,0,0.35);
  border-radius: 100px;
  padding: 0.3rem 0.9rem;
  font-family: var(--font-head);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--orange);
  text-transform: uppercase;
}

/* Author photo over the world map */
.about-img {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  max-width: 85%;
  height: 92%;
  object-fit: contain;
  object-position: bottom;
  z-index: 1;
  filter: drop-shadow(0 0 40px rgba(255,107,0,0.15));
}

.about-socials {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* ── 14. Free Course Section ── */
.free-course {
  background: linear-gradient(135deg, rgba(255,107,0,0.06), rgba(0,0,0,0) 60%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.free-course-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.free-course-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.free-course-img img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.free-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0,200,100,0.1);
  border: 1px solid rgba(0,200,100,0.3);
  color: #00C864;
  border-radius: 100px;
  padding: 0.3rem 1rem;
  font-size: 0.7rem;
  font-family: var(--font-head);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

/* ── 15. Section divider / view-all ── */
.section-footer {
  text-align: center;
  margin-top: 3rem;
}

/* ── 16. Blog Post (article) ── */
.post-hero {
  padding: 8rem 0 4rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.post-category { margin-bottom: 0.75rem; }

.post-title { margin-bottom: 1rem; max-width: 800px; }

.post-meta-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.82rem;
  color: var(--muted2);
  flex-wrap: wrap;
}

.post-author-mini {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.post-author-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
}

.post-featured-img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: 2.5rem 0;
  border: 1px solid var(--border);
}

.post-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.post-content h2,
.post-content h3 {
  margin: 2rem 0 0.75rem;
  color: var(--text);
}

.post-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: #bbb;
  margin-bottom: 1.25rem;
}

.post-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.post-content ul li {
  color: #bbb;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.post-content a { color: var(--orange); text-decoration: underline; }
.post-content a:hover { color: var(--orange-h); }

.post-content iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
  border-radius: var(--radius);
  margin: 1.5rem 0;
}

/* Author Bio Block */
.author-bio {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  margin-top: 2rem;
}

.author-bio-img {
  width: 72px; height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--orange);
  flex-shrink: 0;
}

.author-bio-name {
  font-family: var(--font-head);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.author-bio-desc { font-size: 0.83rem; color: var(--muted); margin: 0; }

/* Related posts */
.related-posts { padding: 3rem 0 5rem; }

/* ── 17. Contact Page ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.contact-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius);
  background: rgba(255,107,0,0.1);
  border: 1px solid rgba(255,107,0,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.contact-info-val { font-size: 0.9rem; color: var(--text); }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-label {
  font-size: 0.75rem;
  font-family: var(--font-head);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.form-input,
.form-textarea {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  resize: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,107,0,0.08);
}

.form-textarea { min-height: 140px; }

/* ── 18. Footer ── */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
  position: relative;
  z-index: 1;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand-name {
  font-family: var(--font-head);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  display: flex; align-items: center; gap: 0.5rem;
}

.footer-brand-name span { color: var(--orange); }

.footer-tagline { font-size: 0.85rem; color: var(--muted); margin-bottom: 1.25rem; }

.footer-socials { display: flex; gap: 0.6rem; }

.social-link {
  width: 36px; height: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: var(--muted);
  transition: var(--transition);
  text-decoration: none;
}

.social-link:hover {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(255,107,0,0.08);
}

.footer-col-title {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
}

.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }

.footer-links a {
  font-size: 0.85rem;
  color: var(--muted);
  transition: var(--transition);
}

.footer-links a:hover { color: var(--orange); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--muted2);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom a { color: var(--muted2); }
.footer-bottom a:hover { color: var(--orange); }

/* ── 19. Animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ── 20. Page hero (inner pages) ── */
.page-hero {
  padding: 8rem 0 4rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

/* ── 21. Responsive ── */
@media (max-width: 1024px) {
  .grid-3, .store-grid, .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 3.5rem 0; }

  .nav-links, .nav-actions .btn { display: none; }
  .nav-hamburger { display: flex; }

  .hero-inner,
  .masterclass-inner,
  .free-course-inner,
  .about-inner,
  .contact-grid,
  .addons-grid,
  .grid-2 { grid-template-columns: 1fr; gap: 2rem; }

  .hero { padding: 7rem 0 3rem; min-height: auto; }

  .hero-image-wrap { order: -1; }
  .hero-img { max-width: 300px; margin: 0 auto; }

  .about-img-wrap { order: -1; min-height: 320px; }

  .store-grid,
  .blog-grid { grid-template-columns: 1fr; }

  .stats-inner { gap: 1rem; }
  .stat-divider { display: none; }

  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .btn-group { flex-direction: column; }
  .btn { justify-content: center; }
  .filter-tabs { gap: 0.4rem; }
  .filter-tab { font-size: 0.65rem; padding: 0.4rem 0.8rem; }
}

/* ── Misc helpers ── */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0 !important; }
.text-orange { color: var(--orange); }
.text-cyan { color: var(--cyan); }
.text-muted { color: var(--muted); }
.w-full { width: 100%; }
.view-all-wrap { text-align: center; margin-top: 2.5rem; }