@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #242424;
  --surface:   #2e2e2e;
  --surface2:  #363636;
  --border:    #404040;
  --text:      #f0ece6;
  --muted:     #888;
  --orange:    #c45e1c;
  --orange-lt: #e07030;
  --orange-dim: rgba(196, 94, 28, 0.12);
  --max-width: 760px;
  --wide-max:  1080px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ──────────────────────────────────────────────── */
header, footer {
  max-width: var(--wide-max);
  margin: 0 auto;
  padding: 0 1.75rem;
}

main {
  max-width: var(--wide-max);
  margin: 0 auto;
  padding: 0 1.75rem;
}

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

/* ── Header / Nav ────────────────────────────────────────── */
header {
  padding-top: 1.75rem;
  padding-bottom: 1.75rem;
  display: flex;
  align-items: center;
}

header > nav {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 2rem;
}

.site-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-right: auto;
}

.site-title span { color: var(--orange); }

nav ul {
  list-style: none;
  display: flex;
  gap: 1.75rem;
}

nav ul a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color 0.15s;
}

nav ul a:hover { color: var(--orange-lt); }

/* ── Main ────────────────────────────────────────────────── */
main {
  padding-top: 0;
  padding-bottom: 5rem;
  min-height: calc(100vh - 180px);
}

/* ── Homepage Hero ───────────────────────────────────────── */
.hero {
  max-width: var(--max-width);
  padding: 6rem 0 5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4rem;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--orange);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 460px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

/* ── Home Nav Cards ──────────────────────────────────────── */
.home-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.home-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem 1.25rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  position: relative;
  overflow: hidden;
}

.home-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.2s ease;
}

.home-card:hover {
  border-color: var(--orange);
  background: var(--surface2);
  transform: translateY(-2px);
}

.home-card:hover::before { transform: scaleY(1); }

.home-card-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.4rem;
}

.home-card-title { font-size: 1.05rem; font-weight: 700; }

.home-card-arrow {
  position: absolute;
  bottom: 1.25rem;
  right: 1.25rem;
  color: var(--border);
  font-size: 1.1rem;
  transition: color 0.2s, transform 0.2s;
}

.home-card:hover .home-card-arrow {
  color: var(--orange);
  transform: translate(2px, -2px);
}

/* ── Section page header ─────────────────────────────────── */
.page-header {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}

.page-header .eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.6rem;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

/* ── Card Grid ───────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  list-style: none;
}

/* Individual cert card */
.cert-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text);
  min-height: 110px;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
  position: relative;
}

.cert-card:hover {
  border-color: var(--orange);
  border-top-color: var(--orange);
  background: var(--surface2);
  transform: translateY(-2px);
}

.cert-card-name {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.cert-card-meta {
  font-size: 0.78rem;
  color: var(--muted);
}

.cert-card--static {
  cursor: default;
}

.cert-card--static:hover {
  border-color: var(--border);
  border-top-color: var(--border);
  background: var(--surface);
  transform: none;
}

.cert-card-arrow {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.85rem;
  color: var(--border);
  transition: color 0.15s, transform 0.15s;
}

.cert-card:hover .cert-card-arrow {
  color: var(--orange);
  transform: translate(2px, -2px);
}

/* EC-Council group — full width */
.cert-group {
  grid-column: 1 / -1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--orange);
  border-radius: 8px;
  padding: 1.25rem;
}

.cert-group-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  display: block;
  margin-bottom: 1rem;
}

.cert-subgrid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  list-style: none;
}

.cert-subcard {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  text-decoration: none;
  color: var(--text);
  min-height: 90px;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
  position: relative;
}

.cert-subcard:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.cert-subcard-name {
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.3;
  margin-bottom: 0.4rem;
  padding-right: 1.2rem;
}

.cert-subcard-meta {
  font-size: 0.75rem;
  color: var(--muted);
}

.cert-subcard-arrow {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  font-size: 0.78rem;
  color: var(--border);
  transition: color 0.15s;
}

.cert-subcard:hover .cert-subcard-arrow { color: var(--orange); }

/* ── Legacy link list (publications, awards) ─────────────── */
.link-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.link-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 6px;
  padding: 1.1rem 1.4rem;
  transition: border-color 0.15s, background 0.15s;
}

.link-list li:hover {
  border-color: var(--orange);
  border-left-color: var(--orange);
  background: var(--surface2);
}

.link-list a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  display: block;
  margin-bottom: 0.25rem;
  transition: color 0.15s;
}

.link-list li:hover a { color: var(--orange-lt); }

.link-list .meta {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 400;
}

/* ── Footer ──────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
}

footer .footer-dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--orange);
  border-radius: 50%;
  margin-right: 0.5rem;
  vertical-align: middle;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 800px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-subgrid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 800px) {
  .home-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .home-cards { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .cert-subgrid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.8rem; }
}