/* ─────────────────────────────────────────────────────────
   Design tokens — matches main site
───────────────────────────────────────────────────────── */
:root {
  --bg:           #0A0A0A;
  --bg-surface:   #111111;
  --bg-card:      #161616;
  --bg-card-hover:#1C1C1C;
  --ink:          #F0EEE8;
  --ink-muted:    #888880;
  --ink-faint:    #3A3A38;
  --accent:       #00D4AA;
  --accent-dim:   rgba(0, 212, 170, 0.10);
  --accent-glow:  rgba(0, 212, 170, 0.20);
  --border:       rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.14);

  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --max-w:  1160px;
  --pad-x:  clamp(1.5rem, 5vw, 4rem);
  --radius: 4px;

  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

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

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ─────────────────────────────────────────────────────────
   Grain overlay
───────────────────────────────────────────────────────── */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* ─────────────────────────────────────────────────────────
   Navigation
───────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--pad-x);
  transition: background 0.4s var(--ease-out), border-bottom 0.4s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.nav-back {
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

/* ─────────────────────────────────────────────────────────
   Page hero
───────────────────────────────────────────────────────── */
.page-hero {
  position: relative;
  padding: 9rem var(--pad-x) 5rem;
  max-width: var(--max-w);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

/* Subtle grid background */
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 15% 40%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 15% 40%, black 20%, transparent 75%);
  pointer-events: none;
}

/* Accent glow */
.page-hero::after {
  content: '';
  position: absolute;
  top: 10%;
  left: -8%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.05) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: -0.035em;
  line-height: 0.95;
  margin-bottom: 1.75rem;
  position: relative;
  z-index: 1;
}

.hero-title .line-solid { color: var(--ink); display: block; }
.hero-title .line-outline {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(240, 238, 232, 0.3);
  display: block;
}

.hero-desc {
  font-size: clamp(0.9375rem, 1.8vw, 1.125rem);
  color: var(--ink-muted);
  max-width: 52ch;
  line-height: 1.65;
  font-weight: 300;
  position: relative;
  z-index: 1;
}

.hero-desc em {
  font-style: normal;
  color: var(--ink);
  font-weight: 500;
}

/* ─────────────────────────────────────────────────────────
   Stats bar
───────────────────────────────────────────────────────── */
.stats-bar {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 3rem 0;
  background: var(--bg-card);
}

.stat-item {
  flex: 1;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  border-right: 1px solid var(--border);
  position: relative;
}

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

.stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ─────────────────────────────────────────────────────────
   Section shared
───────────────────────────────────────────────────────── */
.section {
  padding: clamp(4rem, 8vw, 6rem) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.section-header {
  margin-bottom: 3rem;
}

.section-eyebrow {
  display: block;
  font-size: 0.6875rem;
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.875rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--ink);
}

.section-sub {
  margin-top: 0.6rem;
  font-size: 0.9375rem;
  color: var(--ink-muted);
  font-weight: 300;
  max-width: 50ch;
}

/* ─────────────────────────────────────────────────────────
   Scroll reveal
───────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

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

/* ─────────────────────────────────────────────────────────
   Course cards
───────────────────────────────────────────────────────── */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.course-card {
  position: relative;
  background: var(--bg-card);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: background 0.3s var(--ease-out);
  overflow: hidden;
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.course-card:hover { background: var(--bg-card-hover); }
.course-card:hover::before { opacity: 1; }

.course-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.course-platform {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 170, 0.2);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  flex-shrink: 0;
}

.course-status {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
  flex-shrink: 0;
}

.course-status.completed {
  color: #00D4AA;
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.2);
}

.course-status.in-progress {
  color: #F5A623;
  background: rgba(245, 166, 35, 0.08);
  border: 1px solid rgba(245, 166, 35, 0.2);
}

.course-icon {
  font-size: 2rem;
  line-height: 1;
  font-family: var(--font-mono);
  color: rgba(0, 212, 170, 0.25);
  font-weight: 700;
  letter-spacing: -0.05em;
}

.course-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.2;
}

.course-provider {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  margin-top: 0.25rem;
}

.course-desc {
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.75;
  font-weight: 300;
  flex: 1;
}

.course-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

.course-skills span {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border: 1px solid var(--border);
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
  transition: border-color 0.2s, color 0.2s;
}

.course-card:hover .course-skills span {
  border-color: rgba(0, 212, 170, 0.2);
  color: var(--accent);
}

/* ─────────────────────────────────────────────────────────
   Featured course (full-width)
───────────────────────────────────────────────────────── */
.course-card.featured {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: flex-start;
  gap: 3.5rem;
  padding: 2.75rem 2.5rem;
}

.course-card.featured .course-main { flex: 1; }

.course-card.featured .course-name {
  font-size: clamp(1.375rem, 2.8vw, 1.75rem);
}

.course-card.featured .course-desc {
  max-width: 55ch;
}

.course-side {
  flex-shrink: 0;
  width: 240px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-left: 3.5rem;
  border-left: 1px solid var(--border);
}

.course-detail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.detail-label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.detail-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}

/* ─────────────────────────────────────────────────────────
   Training sessions
───────────────────────────────────────────────────────── */
.training-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.training-row {
  display: grid;
  grid-template-columns: 3fr 1.5fr 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 1.75rem 2rem;
  background: var(--bg-card);
  transition: background 0.25s var(--ease-out);
  cursor: pointer;
  color: inherit;
}

.training-row:hover { background: var(--bg-card-hover); }
.training-row:hover .training-arrow {
  background: var(--accent);
  border-color: var(--accent);
  color: #0A0A0A;
}

.training-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  line-height: 1.25;
}

.training-org {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  margin-top: 0.3rem;
}

.training-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.training-type {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
  color: var(--ink-muted);
  border: 1px solid var(--border);
}

.training-type.workshop { color: #A78BFA; border-color: rgba(167, 139, 250, 0.25); background: rgba(167, 139, 250, 0.07); }
.training-type.online   { color: var(--accent); border-color: rgba(0, 212, 170, 0.25); background: var(--accent-dim); }
.training-type.seminar  { color: #F59E0B; border-color: rgba(245, 158, 11, 0.25); background: rgba(245, 158, 11, 0.07); }
.training-type.certification { color: #60A5FA; border-color: rgba(96, 165, 250, 0.25); background: rgba(96, 165, 250, 0.07); }

.training-arrow {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--ink-faint);
  transition: all 0.25s var(--ease-out);
}

.training-row:hover .training-arrow {
  background: var(--accent);
  border-color: var(--accent);
  color: #0A0A0A;
}

/* ─────────────────────────────────────────────────────────
   Contact / Footer
───────────────────────────────────────────────────────── */
.footer-cta {
  padding: clamp(4rem, 8vw, 6rem) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-cta-text h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  letter-spacing: -0.025em;
  color: var(--ink);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.footer-cta-text p {
  font-size: 0.9375rem;
  color: var(--ink-muted);
  font-weight: 300;
}

.btn {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.8rem 1.625rem;
  border-radius: var(--radius);
  transition: all 0.25s var(--ease-out);
  cursor: pointer;
  border: none;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent);
  color: #0A0A0A;
}

.btn-primary:hover {
  background: #00EABC;
  transform: translateY(-2px);
  box-shadow: 0 0 32px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--border-hover);
  background: var(--bg-surface);
  transform: translateY(-2px);
}

.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem var(--pad-x);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
  max-width: 100%;
}

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

  .course-card.featured {
    flex-direction: column;
    gap: 2rem;
  }

  .course-side {
    width: 100%;
    padding-left: 0;
    padding-top: 1.5rem;
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .training-row {
    grid-template-columns: 1fr auto;
    gap: 1rem;
  }

  .training-meta,
  .training-type { display: none; }

  .stats-bar { flex-wrap: wrap; }
  .stat-item { min-width: 45%; }

  .footer-cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  .training-row { grid-template-columns: 1fr; }
  .training-arrow { display: none; }
  .footer { flex-direction: column; gap: 0.5rem; text-align: center; }
}

/* ─────────────────────────────────────────────────────────
   Course detail link (in featured card aside)
───────────────────────────────────────────────────────── */
.course-detail-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  border-bottom: 1px solid rgba(0, 212, 170, 0.3);
  padding-bottom: 0.15rem;
  transition: border-color 0.2s, opacity 0.2s;
}

.course-detail-link:hover {
  opacity: 0.75;
  border-color: var(--accent);
}