/* ============================ CloudCerts Styles ============================ */
:root {
  --azure: #0078d4;
  --aws: #FF9900;
  --gcp: #4285F4;

  --bg: #0a0e1a;
  --bg-2: #111729;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.10);
  --text: #e8edf5;
  --text-dim: #9aa6bd;
  --primary: #6c8cff;
  --primary-2: #9b6cff;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  --maxw: 1200px;
  --blur: blur(14px);

  --c-foundational: #2ecc71;
  --c-associate: #3a8dff;
  --c-professional: #a06bff;
  --c-expert: #ffb020;
  --c-specialty: #ff8a3d;
}

body.light-mode {
  --bg: #f3f5fb;
  --bg-2: #e8ecf7;
  --surface: rgba(255, 255, 255, 0.7);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --border: rgba(20, 30, 60, 0.12);
  --text: #1a2236;
  --text-dim: #586079;
  --shadow: 0 10px 30px rgba(40, 60, 110, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background .4s ease, color .4s ease;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 600px at 12% -5%, rgba(108,140,255,.22), transparent 60%),
    radial-gradient(700px 500px at 95% 0%, rgba(155,108,255,.18), transparent 55%),
    radial-gradient(800px 600px at 50% 110%, rgba(0,120,212,.15), transparent 60%),
    var(--bg);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
section { padding: 70px 0; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.muted { color: var(--text-dim); }
.section-head { text-align: center; margin-bottom: 42px; }
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); }
.section-head p { color: var(--text-dim); margin-top: 8px; }
.gradient-text {
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ============================ Glassmorphism ============================ */
.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ============================ Buttons ============================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; border: 1px solid var(--border);
  font-weight: 600; font-size: .95rem; cursor: pointer; background: var(--surface-strong);
  color: var(--text); transition: transform .2s, box-shadow .2s, background .2s; font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  border: none; color: #fff; box-shadow: 0 8px 24px rgba(108,140,255,.4);
}
.btn-primary:hover { box-shadow: 0 12px 32px rgba(108,140,255,.55); }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }
.btn-block { display: flex; width: 100%; justify-content: center; }
.btn-ghost { background: transparent; }

/* ============================ Nav ============================ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; }
.logo .logo-mark {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 6px 18px rgba(108,140,255,.5);
}
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--text-dim); font-weight: 600; transition: color .2s; position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ""; position: absolute; bottom: -6px; left: 0; right: 0; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}
.icon-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer; display: grid; place-items: center;
  transition: transform .2s, background .2s;
}
.icon-btn:hover { transform: rotate(15deg) scale(1.05); }
.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-burger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }
.nav-burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.active span:nth-child(2) { opacity: 0; }
.nav-burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================ Hero ============================ */
.hero { position: relative; padding: 110px 0 90px; text-align: center; overflow: hidden; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 4rem); letter-spacing: -1px; }
.hero p { max-width: 620px; margin: 18px auto 30px; color: var(--text-dim); font-size: 1.12rem; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.particles { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.particle {
  position: absolute; border-radius: 50%; opacity: .5;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  animation: float linear infinite;
}
.particle:nth-child(1){ width:80px;height:80px;left:8%;top:20%;animation-duration:18s;background:var(--azure);}
.particle:nth-child(2){ width:50px;height:50px;left:80%;top:15%;animation-duration:22s;background:var(--aws);}
.particle:nth-child(3){ width:120px;height:120px;left:65%;top:55%;animation-duration:26s;background:var(--gcp);}
.particle:nth-child(4){ width:40px;height:40px;left:25%;top:65%;animation-duration:20s;}
.particle:nth-child(5){ width:60px;height:60px;left:45%;top:10%;animation-duration:24s;background:var(--primary-2);}
.particle:nth-child(6){ width:30px;height:30px;left:90%;top:60%;animation-duration:16s;}
@keyframes float {
  0% { transform: translateY(0) translateX(0) scale(1); }
  50% { transform: translateY(-40px) translateX(20px) scale(1.1); }
  100% { transform: translateY(0) translateX(0) scale(1); }
}

/* ============================ Provider cards ============================ */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.provider-card { padding: 34px 24px; text-align: center; transition: transform .25s, box-shadow .25s; position: relative; overflow: hidden; }
.provider-card::before { content:""; position:absolute; top:0; left:0; right:0; height:4px; background: var(--accent); }
.provider-card.azure { --accent: var(--azure); }
.provider-card.aws { --accent: var(--aws); }
.provider-card.gcp { --accent: var(--gcp); }
.provider-card:hover { transform: translateY(-6px); box-shadow: 0 16px 44px rgba(0,0,0,.45); }
.provider-icon { font-size: 2.6rem; color: var(--accent); margin-bottom: 12px; }
.provider-count { font-size: 2.6rem; font-weight: 800; color: var(--accent); }

/* ============================ Selector (home + pathway) ============================ */
.selector-block { margin-bottom: 38px; }
.selector-block > label { display: block; font-weight: 700; margin-bottom: 14px; font-size: 1.1rem; }
.choice-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.choice {
  display: flex; align-items: center; gap: 10px; padding: 13px 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface); cursor: pointer; color: var(--text);
  font-weight: 600; font-family: inherit; font-size: .95rem; transition: all .2s;
}
.choice i { color: var(--primary); }
.choice:hover { transform: translateY(-2px); border-color: var(--primary); }
.choice.selected {
  background: linear-gradient(120deg, rgba(108,140,255,.25), rgba(155,108,255,.25));
  border-color: var(--primary); box-shadow: 0 6px 20px rgba(108,140,255,.3);
}
.choice.selected i { color: var(--text); }

/* Recommendation output */
#home-recommendation { display: none; }
#home-recommendation.active { display: block; text-align: center; margin-top: 30px; animation: fadeUp .5s; }
.rec-title { margin-bottom: 22px; font-size: 1.4rem; }
.rec-cards { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; margin-bottom: 28px; }
.rec-card { padding: 22px; min-width: 220px; text-align: left; border-top: 4px solid var(--accent); }
.rec-card.azure { --accent: var(--azure); }
.rec-card.aws { --accent: var(--aws); }
.rec-card.gcp { --accent: var(--gcp); }
.rec-label { font-size: .8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); }
.rec-card h4 { font-size: 1.5rem; margin: 4px 0; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ============================ Badges & tags ============================ */
.badge {
  display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; color: #fff;
}
.badge-foundational { background: var(--c-foundational); }
.badge-associate { background: var(--c-associate); }
.badge-professional { background: var(--c-professional); }
.badge-expert { background: linear-gradient(120deg, var(--c-expert), #ff7a45); color:#1a1505; }
.badge-specialty { background: var(--c-specialty); }
.badge-retired { background: #6b7280; }
.badge-retiring { background: linear-gradient(120deg, #f59e0b, #d97706); color: #1a0f00; }
.badge-new { background: linear-gradient(120deg, #10b981, #059669); }

/* Full-width status alert on cert detail page */
.cert-status-alert {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 16px 22px; border-radius: var(--radius-sm);
  margin-bottom: 24px; font-size: .93rem; line-height: 1.6;
}
.cert-status-alert i { font-size: 1.3rem; margin-top: 2px; flex-shrink: 0; }
.cert-status-alert.retired  { background: rgba(107,114,128,.18); border: 1px solid rgba(107,114,128,.35); color: #d1d5db; }
.cert-status-alert.retiring { background: rgba(245,158,11,.12); border: 1px solid rgba(245,158,11,.3);  color: #fde68a; }
.cert-status-alert.new-cert { background: rgba(16,185,129,.12); border: 1px solid rgba(16,185,129,.3);  color: #6ee7b7; }

/* Status banners on cards */
.status-banner {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-size: .78rem; font-weight: 700; letter-spacing: .3px;
}
.status-banner.retired  { background: rgba(107,114,128,.25); color: #d1d5db; border-bottom: 1px solid rgba(107,114,128,.3); }
.status-banner.retiring { background: rgba(245,158,11,.15); color: #fcd34d; border-bottom: 1px solid rgba(245,158,11,.25); }
.status-banner.new-cert { background: rgba(16,185,129,.15); color: #6ee7b7; border-bottom: 1px solid rgba(16,185,129,.25); }

/* Dim retired cards slightly */
.cert-card.is-retired { opacity: .7; }
.cert-card.is-retired:hover { opacity: 1; }

.tag {
  display: inline-block; padding: 3px 10px; border-radius: 8px; font-size: .75rem; font-weight: 600;
  background: var(--surface-strong); border: 1px solid var(--border); color: var(--text-dim);
}

/* ============================ Cert cards ============================ */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 22px; }
.cert-card {
  display: flex; flex-direction: column; overflow: hidden; transition: transform .25s, box-shadow .25s;
}
.cert-card:hover { transform: translateY(-6px) scale(1.01); box-shadow: 0 18px 48px rgba(0,0,0,.45); }
.cert-card-badge {
  display: flex; align-items: center; justify-content: space-between; padding: 22px;
  font-size: 1.9rem; color: #fff; position: relative;
}
.cert-card-badge.azure { background: linear-gradient(135deg, var(--azure), #00a2ed); }
.cert-card-badge.aws { background: linear-gradient(135deg, #ff9900, #ec7211); }
.cert-card-badge.gcp { background: linear-gradient(135deg, #4285F4, #34a853); }
.cert-card-code { font-size: 1.05rem; font-weight: 800; letter-spacing: 1px; }
.cert-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.cert-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.cert-card-provider { font-size: .8rem; color: var(--text-dim); }
.cert-card-name { font-size: 1.05rem; }
.cert-card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.cert-card-link { margin-top: auto; color: var(--primary); font-weight: 700; font-size: .9rem; display: flex; align-items: center; gap: 6px; }
.cert-card:hover .cert-card-link i { transform: translateX(4px); }
.cert-card-link i { transition: transform .2s; }

/* ============================ Featured ============================ */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.featured-card { padding: 26px 22px; border-top: 4px solid var(--accent); transition: transform .25s; }
.featured-card.azure { --accent: var(--azure); }
.featured-card.aws { --accent: var(--aws); }
.featured-card.gcp { --accent: var(--gcp); }
.featured-card:hover { transform: translateY(-6px); }
.featured-icon { font-size: 1.8rem; color: var(--accent); margin-bottom: 10px; }
.featured-chain { color: var(--text-dim); font-size: .9rem; margin: 8px 0 14px; }

/* ============================ Stats ============================ */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { padding: 28px; text-align: center; border-top: 4px solid var(--primary); }
.stat.azure { border-color: var(--azure); }
.stat.aws { border-color: var(--aws); }
.stat.gcp { border-color: var(--gcp); }
.stat-num { display: block; font-size: 2.6rem; font-weight: 800; }
.stat-label { color: var(--text-dim); }

/* ============================ Explore filters ============================ */
.filter-bar { display: flex; flex-wrap: wrap; gap: 14px; align-items: end; margin-bottom: 14px; padding: 20px; }
.filter-group { display: flex; flex-direction: column; gap: 6px; }
.filter-group label { font-size: .8rem; color: var(--text-dim); font-weight: 600; }
.filter-group select, .filter-group input {
  padding: 11px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--surface-strong); color: var(--text); font-family: inherit; font-size: .92rem; min-width: 160px;
}
.filter-group.grow { flex: 1; min-width: 200px; }
.filter-group.grow input { width: 100%; }
.results-count { color: var(--text-dim); margin-bottom: 22px; font-weight: 600; }
.explore-empty, .pw-empty {
  grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-dim);
}
.explore-empty i, .pw-empty i { font-size: 2.6rem; margin-bottom: 14px; display: block; color: var(--primary); }

/* ============================ Steps / progress ============================ */
.step { margin-bottom: 34px; }
.step-num {
  display: inline-flex; width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(120deg,var(--primary),var(--primary-2));
  color: #fff; align-items: center; justify-content: center; font-weight: 800; margin-right: 10px;
}
.step-title { display: flex; align-items: center; font-size: 1.2rem; font-weight: 700; margin-bottom: 16px; }

/* ============================ Pathway ============================ */
.pw-layout { display: grid; grid-template-columns: 1fr; gap: 24px; }
.pw-pathway { padding: 26px; margin-bottom: 24px; }
.pw-pathway-title { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.pw-track { display: flex; flex-wrap: wrap; align-items: stretch; gap: 8px; }
.pw-node-wrap { display: flex; align-items: center; }
.pw-node {
  display: flex; flex-direction: column; gap: 6px; padding: 16px; width: 200px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface-strong); cursor: pointer; transition: all .2s;
  border-top: 4px solid var(--accent);
}
.pw-node.azure { --accent: var(--azure); }
.pw-node.aws { --accent: var(--aws); }
.pw-node.gcp { --accent: var(--gcp); }
.pw-node:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,.4); }
.pw-node-code { font-weight: 800; font-size: 1.05rem; }
.pw-node-name { font-size: .82rem; color: var(--text-dim); }
.pw-arrow { color: var(--primary); font-size: 1.3rem; padding: 0 4px; }
.pw-node.status-completed { border-color: var(--c-foundational); box-shadow: inset 0 0 0 1px var(--c-foundational); }
.pw-node.status-in-progress { border-color: var(--c-expert); }
.status-pill { font-size: .68rem; padding: 2px 8px; border-radius: 999px; font-weight: 700; width: fit-content; }
.status-pill.status-none { background: var(--surface); color: var(--text-dim); }
.status-pill.status-planned { background: rgba(108,140,255,.2); color: var(--primary); }
.status-pill.status-in-progress { background: rgba(255,176,32,.2); color: var(--c-expert); }
.status-pill.status-completed { background: rgba(46,204,113,.2); color: var(--c-foundational); }

/* Side panel */
.pw-panel {
  position: fixed; top: 0; right: 0; width: 400px; max-width: 90vw; height: 100%; z-index: 200;
  background: var(--bg-2); border-left: 1px solid var(--border); box-shadow: -20px 0 60px rgba(0,0,0,.5);
  transform: translateX(110%); transition: transform .35s ease; overflow-y: auto; padding: 22px;
}
.pw-panel.open { transform: translateX(0); }
.pw-panel-close { position: absolute; top: 16px; right: 16px; }
.pw-panel-header { padding: 20px; border-radius: var(--radius-sm); border-top: 4px solid var(--accent); background: var(--surface); margin: 30px 0 18px; }
.pw-panel-header.azure { --accent: var(--azure); }
.pw-panel-header.aws { --accent: var(--aws); }
.pw-panel-header.gcp { --accent: var(--gcp); }
.pw-panel-header h3 { margin: 8px 0; font-size: 1.2rem; }
.pw-panel-code { color: var(--text-dim); font-size: .85rem; }
.pw-panel-desc { color: var(--text-dim); margin-bottom: 16px; }
.pw-panel-meta { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.pw-panel-meta i { color: var(--primary); width: 18px; }
.pw-status-control { margin-bottom: 20px; }
.pw-status-control label { font-weight: 700; display: block; margin-bottom: 10px; }
.pw-status-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.pw-status-btn {
  padding: 8px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
  color: var(--text); cursor: pointer; font-size: .8rem; font-weight: 600; font-family: inherit; transition: all .2s;
}
.pw-status-btn.active { background: linear-gradient(120deg,var(--primary),var(--primary-2)); color: #fff; border: none; }

/* ============================ Cert detail page ============================ */
.breadcrumb { display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: .9rem; padding: 26px 0; flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb i { font-size: .7rem; }
.cert-header { display: flex; gap: 24px; align-items: center; padding: 32px; border-left: 6px solid var(--p-color, var(--primary)); margin-bottom: 30px; }
.cert-header-icon { font-size: 3.4rem; color: var(--p-color, var(--primary)); }
.cert-header-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.cert-header-provider { color: var(--text-dim); font-weight: 600; }
.cert-header h1 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
.cert-header-code { color: var(--text-dim); font-weight: 700; letter-spacing: 1px; }

.tabs { margin-bottom: 40px; }
.tab-bar { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--border); margin-bottom: 26px; }
.tab-btn {
  padding: 12px 18px; border: none; background: none; color: var(--text-dim); cursor: pointer; font-family: inherit;
  font-weight: 600; font-size: .95rem; border-bottom: 3px solid transparent; transition: all .2s; white-space: nowrap;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--text); border-color: var(--primary); }
.tab-panel { display: none; animation: fadeUp .35s; }
.tab-panel.active { display: block; }
.tab-panel h2 { margin-bottom: 16px; }
.sub-h { margin: 24px 0 14px; }

.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }
.info-block { padding: 22px; }
.info-block h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 1.05rem; }
.info-block h3 i { color: var(--primary); }
.info-block.salary { margin-top: 22px; }

.skills-list { display: flex; flex-direction: column; gap: 18px; }
.skill-head { display: flex; justify-content: space-between; margin-bottom: 6px; font-weight: 600; }
.skill-pct { color: var(--text-dim); }
.skill-bar { height: 10px; border-radius: 999px; background: var(--surface-strong); overflow: hidden; }
.skill-fill { height: 100%; border-radius: 999px; transition: width 1s ease; }
.skill-fill.azure { background: linear-gradient(90deg, var(--azure), #00a2ed); }
.skill-fill.aws { background: linear-gradient(90deg, #ff9900, #ec7211); }
.skill-fill.gcp { background: linear-gradient(90deg, #4285F4, #34a853); }

.exam-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 16px; }
.exam-item { padding: 20px; display: flex; flex-direction: column; gap: 4px; }
.exam-item i { font-size: 1.3rem; color: var(--primary); margin-bottom: 6px; }
.exam-label { font-size: .8rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .5px; }
.exam-val { font-weight: 700; }

.related-list { display: flex; flex-direction: column; gap: 12px; }
.related-link, .resource-link {
  display: flex; align-items: center; gap: 14px; padding: 16px 20px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border); transition: all .2s; border-left: 4px solid var(--primary);
}
.related-link.azure { border-left-color: var(--azure); }
.related-link.aws { border-left-color: var(--aws); }
.related-link.gcp { border-left-color: var(--gcp); }
.related-link:hover, .resource-link:hover { transform: translateX(4px); background: var(--surface-strong); }
.related-code { font-weight: 800; min-width: 90px; }
.related-name { flex: 1; color: var(--text-dim); font-size: .9rem; }
.resource-link i:first-child { color: var(--primary); }
.resource-title { flex: 1; font-weight: 600; }

.role-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.role-chip { padding: 8px 16px; border-radius: 999px; background: var(--surface-strong); border: 1px solid var(--border); font-weight: 600; font-size: .9rem; border-left: 3px solid var(--accent); }
.role-chip.azure { --accent: var(--azure); }
.role-chip.aws { --accent: var(--aws); }
.role-chip.gcp { --accent: var(--gcp); }

.related-section { margin-bottom: 40px; }
.related-section h2 { margin-bottom: 20px; }
.cert-nav { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 50px; }
.cert-notfound { text-align: center; padding: 60px 24px; margin: 40px 0; }
.cert-notfound i { font-size: 3rem; color: var(--c-expert); margin-bottom: 16px; }

/* ============================ About / FAQ ============================ */
.prose { max-width: 820px; margin: 0 auto; }
.prose p { color: var(--text-dim); margin-bottom: 16px; }
.steps-guide { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 20px; margin: 30px 0; }
.guide-card { padding: 24px; }
.guide-card .num { font-size: 1.6rem; font-weight: 800; color: var(--primary); }
.guide-card h3 { margin: 6px 0; }
.faq-item { padding: 0; margin-bottom: 14px; overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; padding: 18px 22px; background: none; border: none; color: var(--text);
  font-family: inherit; font-size: 1.02rem; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-q i { transition: transform .3s; color: var(--primary); }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; padding: 0 22px; color: var(--text-dim); }
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }

/* ============================ Footer ============================ */
.footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--text-dim); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; align-items: center; }
.footer a:hover { color: var(--text); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ============================ Responsive ============================ */
@media (max-width: 920px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .info-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-burger { display: flex; }
  .nav-links {
    position: fixed; top: 66px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--border); padding: 0; max-height: 0; overflow: hidden; transition: max-height .35s;
  }
  .nav-links.open { max-height: 420px; padding: 10px 0; }
  .nav-links a { padding: 14px 22px; width: 100%; }
  .nav-links a.active::after { display: none; }
  .grid-3 { grid-template-columns: 1fr; }
  .cert-header { flex-direction: column; text-align: center; }
  .cert-header-meta { justify-content: center; }
  .pw-track { flex-direction: column; }
  .pw-node-wrap { flex-direction: column; width: 100%; }
  .pw-node { width: 100%; }
  .pw-arrow { transform: rotate(90deg); padding: 8px 0; }
}
@media (max-width: 520px) {
  .grid-4, .stats-row { grid-template-columns: 1fr; }
  section { padding: 50px 0; }
}