:root {
  --bg: #030208;
  --bg-soft: #080611;
  --panel: rgba(13, 10, 24, 0.9);
  --panel-strong: rgba(18, 14, 34, 0.96);
  --text: #f6f3ff;
  --muted: #d0c8e2;
  --subtle: #9488ad;
  --line: rgba(147, 51, 234, 0.25);
  --line-strong: rgba(192, 132, 252, 0.38);
  --purple: #9333ea;
  --purple-strong: #7e22ce;
  --accent: #c084fc;
  --accent-rgb: 192, 132, 252;
  --green: #22c55e;
  --amber: #f59e0b;
  --danger: #ef4444;
  --shadow: rgba(0, 0, 0, 0.65);
  --shadow-lift: 0 28px 64px rgba(0, 0, 0, 0.62), 0 0 0 1px rgba(192, 132, 252, 0.12);
  --glass-bg: rgba(18, 12, 36, 0.55);
  --glass-border: rgba(255, 255, 255, 0.07);
  --glass-glow: rgba(192, 132, 252, 0.06);
  --glass-rim: rgba(255, 255, 255, 0.12);
  --chip-bg: rgba(147, 51, 234, 0.12);
  --chip-border: rgba(147, 51, 234, 0.28);
  --chip-text: #eee7ff;
  --btn-text: #070411;
  --card-shadow: 0 18px 46px var(--shadow);
  --body-bg:
    radial-gradient(circle at 18% -12%, rgba(147, 51, 234, 0.18), transparent 32rem),
    radial-gradient(circle at 110% 8%, rgba(34, 211, 238, 0.08), transparent 28rem),
    #030208;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --cx: 50%;
  --cy: 50%;
  --transition-speed: 0.3s;
  --transition-card: transform 0.22s var(--ease-out), box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
  --gradient-accent: linear-gradient(135deg, var(--accent), var(--purple-strong));
}

[data-theme="light"] {
  --bg: #f6f9ff;
  --bg-soft: #edf5ff;
  --panel: rgba(255, 255, 255, 0.76);
  --panel-strong: rgba(255, 255, 255, 0.95);
  --text: #102033;
  --muted: #38506d;
  --subtle: #64748b;
  --line: rgba(37, 99, 235, 0.16);
  --line-strong: rgba(14, 116, 216, 0.34);
  --purple: #2563eb;
  --purple-strong: #1e40af;
  --accent: #0284c7;
  --accent-rgb: 2, 132, 199;
  --shadow: rgba(15, 23, 42, 0.1);
  --shadow-lift: 0 24px 55px rgba(15, 23, 42, 0.12), 0 9px 22px rgba(37, 99, 235, 0.08), 0 0 0 1px rgba(37, 99, 235, 0.11);
  --glass-bg: rgba(255, 255, 255, 0.64);
  --glass-border: rgba(37, 99, 235, 0.18);
  --glass-glow: rgba(14, 165, 233, 0.14);
  --glass-rim: rgba(14, 116, 216, 0.22);
  --chip-bg: rgba(14, 132, 199, 0.08);
  --chip-border: rgba(14, 132, 199, 0.2);
  --chip-text: #28506f;
  --btn-text: #ffffff;
  --card-shadow: 0 18px 45px rgba(15, 23, 42, 0.075), 0 4px 14px rgba(37, 99, 235, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.78);
  --body-bg:
    radial-gradient(circle at 12% -12%, rgba(14, 165, 233, 0.18), transparent 34rem),
    radial-gradient(circle at 100% 0%, rgba(37, 99, 235, 0.1), transparent 30rem),
    linear-gradient(180deg, #f8fbff 0%, #edf5ff 44%, #f8fafc 100%);
}

/* Theme Wave Effect */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 9999; }

.theme-wave-active::view-transition-new(root) {
  animation: 700ms cubic-bezier(0.4, 0, 0.2, 1) both theme-reveal;
  clip-path: circle(0% at var(--click-x, 50%) var(--click-y, 50%));
}

@keyframes theme-reveal {
  from { clip-path: circle(0% at var(--click-x, 50%) var(--click-y, 50%)); }
  to { clip-path: circle(150% at var(--click-x, 50%) var(--click-y, 50%)); }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); color-scheme: dark; }
[data-theme="light"] { color-scheme: light; }

body {
  margin: 0;
  display: flow-root;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: var(--body-bg);
  background-attachment: fixed;
  transition: color var(--transition-speed), background var(--transition-speed), opacity 0.18s ease;
}

/* Grid overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(192, 132, 252, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192, 132, 252, 0.055) 1px, transparent 1px),
    radial-gradient(circle, rgba(192, 132, 252, 0.18) 1px, transparent 1px);
  background-size: 56px 56px, 56px 56px, 56px 56px;
  background-position: 0 0, 0 0, -1px -1px;
  opacity: 0.55;
  transition: opacity 0.5s;
}

[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.07) 1px, transparent 1px),
    radial-gradient(circle, rgba(37, 99, 235, 0.22) 1px, transparent 1px);
  background-size: 56px 56px, 56px 56px, 56px 56px;
  background-position: 0 0, 0 0, -1px -1px;
  opacity: 0.65;
}

/* Spotlight layer */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 1;
  transition: opacity 0.5s;
  background:
    radial-gradient(circle 520px at var(--cx) var(--cy), rgba(147, 51, 234, 0.17) 0%, transparent 70%),
    radial-gradient(circle at 0% 0%, rgba(147, 51, 234, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(126, 34, 206, 0.06) 0%, transparent 40%);
}

[data-theme="light"] body::after {
  opacity: 1;
  background:
    radial-gradient(circle 520px at var(--cx) var(--cy), rgba(14, 165, 233, 0.17) 0%, transparent 70%),
    radial-gradient(circle at 4% 0%, rgba(14, 165, 233, 0.07) 0%, transparent 36%),
    radial-gradient(circle at 100% 100%, rgba(2, 132, 199, 0.06) 0%, transparent 36%);
}

.nav, .page, .footer { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 { margin-top: 0; letter-spacing: 0; }
p { color: var(--muted); line-height: 1.72; }

.nav {
  position: sticky;
  top: 14px;
  z-index: 20;
  width: min(1180px, calc(100% - 32px));
  margin: 16px auto 0;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--card-shadow);
}

.brand {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--btn-text);
  font-weight: 900;
  background: var(--gradient-accent);
}

.nav-links { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }

.search-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--subtle);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease-out);
  white-space: nowrap;
  font-family: inherit;
}

.search-trigger:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  transform: translateY(-1px);
}

.search-trigger kbd { font-size: 0.75rem; color: var(--subtle); font-family: inherit; }

.search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(3, 2, 8, 0.72); /* matches --bg dark */
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
}

.search-overlay.is-open { display: flex; }
.search-lock { overflow: hidden; }
[data-theme="light"] .search-overlay { background: rgba(15, 23, 42, 0.24); }

.search-modal {
  width: min(600px, calc(100vw - 32px));
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
}

.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 1.05rem;
  font-family: inherit;
  caret-color: var(--accent);
}

.search-results { max-height: 380px; overflow-y: auto; padding: 6px 0; }

.search-result {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  cursor: pointer;
  transition: background 0.12s;
  text-decoration: none;
  color: inherit;
}

.search-result:hover, .search-result.is-active, .search-result.is-selected { background: rgba(var(--accent-rgb), 0.1); }

.search-result-icon {
  width: 32px; height: 32px; display: grid; place-items: center;
  border-radius: 7px; background: var(--bg-soft);
  border: 1px solid var(--line); flex-shrink: 0;
  color: var(--accent); font-size: 0.95rem;
}

.search-result-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.1;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.search-result-body { display: block; min-width: 0; }

.search-result-title { display: block; font-size: 0.92rem; font-weight: 700; color: var(--text); margin-bottom: 1px; }
.search-result-desc { display: block; font-size: 0.78rem; color: var(--subtle); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-result-desc mark { background: none; color: var(--accent); font-weight: 700; }

.search-footer {
  display: flex; gap: 16px; padding: 8px 18px;
  border-top: 1px solid var(--line); font-size: 0.74rem; color: var(--subtle);
}

.search-empty {
  padding: 28px 18px;
  text-align: center;
  color: var(--subtle);
  font-size: 0.9rem;
}

.nav-links a { color: var(--muted); font-size: 0.95rem; font-weight: 700; transition: color 0.2s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent); }

.page { position: relative; width: min(1180px, calc(100% - 32px)); margin: 36px auto 52px; }

.hero, .page-hero {
  position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--panel); box-shadow: var(--shadow-lift);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: calc(1 - var(--hero-scroll-fade, 0));
  transform: translateY(calc(var(--hero-scroll-fade, 0) * -10px));
}

.hero { min-height: 620px; padding: 64px 56px 42px; display: flex; flex-direction: column; justify-content: center; }
.page-hero { min-height: 430px; padding: 56px; display: flex; flex-direction: column; justify-content: center; }

.hero::after, .page-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 18% 8%, rgba(var(--accent-rgb), 0.14), transparent 34%),
    linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.12) 100%),
    linear-gradient(90deg, var(--line), transparent 52%);
}

[data-theme="light"] .hero::after,
[data-theme="light"] .page-hero::after {
  background:
    radial-gradient(circle at 18% 8%, rgba(14, 165, 233, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(246,249,255,0.56) 100%),
    linear-gradient(90deg, rgba(37, 99, 235, 0.14), transparent 52%);
}

.hero > *, .page-hero > * { position: relative; z-index: 1; }

.eyebrow, .tagline { margin: 0 0 16px; color: var(--accent); font-size: 0.86rem; font-weight: 900; letter-spacing: 0; text-transform: uppercase; }

.hero h1, .page-hero h1 { max-width: 940px; margin-bottom: 14px; font-size: 4.35rem; line-height: 0.98; }
.hero h2, .page-hero h2 { max-width: 920px; margin-bottom: 18px; color: var(--muted); font-size: 1.75rem; line-height: 1.22; }

.hero-text, .lead { max-width: 790px; margin: 0; color: var(--muted); font-size: 1.08rem; }

.hero-name-canvas { display: block; max-width: 100%; height: auto; }


.hero-actions, .buttons, .contact-actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 18px; border: 1px solid var(--line-strong); border-radius: 8px;
  color: var(--btn-text); font: inherit; font-weight: 900; cursor: pointer;
  background: var(--gradient-accent);
  box-shadow: 0 16px 34px rgba(var(--accent-rgb), 0.2);
  transition: var(--transition-card);
}

.button:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: 0 20px 48px rgba(var(--accent-rgb), 0.24); }

.button.secondary { color: var(--text); background: var(--panel); border: 1px solid var(--line); box-shadow: none; }
.button.secondary:hover { background: var(--panel-strong); border-color: var(--accent); }

.signal-strip { margin-top: 36px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }

.signal {
  min-height: 112px; padding: 16px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--panel); transition: var(--transition-card);
}
.signal:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--card-shadow); }
.signal span { display: block; margin-bottom: 8px; color: var(--subtle); font-size: 0.82rem; font-weight: 800; text-transform: uppercase; }
.signal strong { display: block; color: var(--text); font-size: 1rem; line-height: 1.36; }

.section { margin-top: 34px; }
.section[id] { scroll-margin-top: 118px; }
.achievements, .tech-stack { position: relative; }
.homepage-achievement-grid { align-items: stretch; }
.section-header { margin-bottom: 18px; display: flex; align-items: end; justify-content: space-between; gap: 18px; }
.section-header h2 { margin-bottom: 6px; font-size: 2rem; }
.section-header p { max-width: 700px; margin: 0; color: var(--subtle); }

.card, .snapshot-card, .project-card, .skill-box, .achievement-card, .detail-card {
  background: var(--panel); 
  border: 1px solid var(--line); 
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition-card);
}

.card, .snapshot-card, .skill-box, .achievement-card, .detail-card { padding: 24px; }

.snapshot-grid, .achievement-grid, .project-grid, .skill-grid, .proof-grid, .two-column, .three-column, .cert-columns { display: grid; gap: 18px; }
.snapshot-grid, .achievement-grid, .three-column { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.two-column, .proof-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cert-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.skill-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.filter-button {
  min-height: 38px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px;
  color: var(--muted); background: var(--panel); font: inherit; font-weight: 800; cursor: pointer;
  transition: transform 0.2s var(--ease-out), color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.project-toolbar { margin-bottom: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.filter-button:hover:not(.is-active) { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); background: rgba(var(--accent-rgb), 0.08); }
.filter-button.is-active { color: var(--btn-text); border-color: transparent; background: var(--gradient-accent); }

.project-card { display: flex; flex-direction: column; min-height: 315px; padding: 24px; }
.project-card:hover { transform: translateY(-5px); border-color: var(--accent); background: var(--panel-strong); box-shadow: var(--shadow-lift); }
.project-card.is-hidden { display: none; }
.priority-project-grid { margin-bottom: 20px; }
.priority-card {
  min-height: 360px;
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.08), transparent 54%),
    var(--glass-bg);
}
.project-domain-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0 22px;
}
.domain-card {
  padding: 20px;
  border-radius: 8px;
}
.domain-card h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 1.08rem;
}
.domain-card p {
  margin: 0 0 14px;
  font-size: 0.92rem;
  line-height: 1.58;
}
.domain-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.domain-links a {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--chip-border);
  border-radius: 6px;
  color: var(--accent);
  background: var(--chip-bg);
  font-size: 0.82rem;
  font-weight: 800;
}
.domain-links a:hover {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.14);
}
.project-directory {
  padding-top: 16px;
  margin-top: 12px;
  border-top: 1px solid var(--line);
}
.project-directory summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 900;
}
.project-directory summary::marker {
  color: var(--accent);
}
.project-directory .project-toolbar {
  margin-top: 18px;
}

/* Focused homepage + project hub */
.home-page .section {
  margin-top: 28px;
}

.home-hero {
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(280px, 0.68fr);
  align-items: center;
  gap: 32px;
  padding: 56px 48px;
}

.home-hero .lead {
  max-width: 720px;
}

.hero-proof {
  padding: 24px;
}

.hero-proof strong {
  display: block;
  margin: 8px 0 10px;
  color: var(--text);
  font-size: 1.55rem;
  line-height: 1.12;
}

.hero-proof p {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
}

.proof-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 18px;
}

.proof-mini-grid span,
.proof-item span {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.proof-mini-grid span {
  min-height: 34px;
  display: grid;
  place-items: center;
  padding: 8px;
  border: 1px solid var(--chip-border);
  border-radius: 6px;
  color: var(--chip-text);
  background: var(--chip-bg);
  text-align: center;
  text-transform: none;
}

.proof-strip,
.hub-category-strip {
  display: grid;
  gap: 14px;
}

.proof-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hub-category-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.proof-item {
  padding: 18px;
}

.proof-item strong {
  display: block;
  margin-top: 8px;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.38;
}

.compact-project-grid .project-card,
.project-hub-grid .project-card {
  min-height: 0;
}

.compact-project-grid .project-card {
  padding: 22px;
}

.compact-project-grid .priority-card,
.project-hub-grid .priority-card {
  min-height: 0;
}

.home-page .project-card p,
.project-hub-page .project-card p {
  line-height: 1.58;
}

.project-paths .domain-card,
.hub-category-strip .domain-card {
  display: block;
  min-height: 148px;
  color: inherit;
  text-decoration: none;
}

.project-paths .domain-card:hover,
.hub-category-strip .domain-card:hover {
  border-color: var(--accent);
}

.project-hub-hero {
  min-height: 360px;
}

.project-hub-page .project-toolbar {
  gap: 10px;
}

.project-hub-page .filter-button {
  min-height: 38px;
}

.contact-card-clean .section-header {
  margin-bottom: 12px;
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.project-icon {
  width: 42px; height: 42px; display: grid; place-items: center; border-radius: 8px;
  color: var(--btn-text); background: var(--gradient-accent);
  position: relative;
  overflow: hidden;
}

.project-icon svg { width: 22px; height: 22px; }

.project-icon::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  filter: blur(2px);
  top: 8px;
  left: 8px;
  opacity: 0;
  transform: translate(0, 0);
}

.project-card:hover .project-icon::after {
  opacity: 0.85;
  animation: icon-glow-drift 1.5s ease-in-out infinite alternate;
}

.project-type {
  color: var(--subtle);
  font-size: 0.82rem;
  font-weight: 900;
  text-align: right;
  text-transform: uppercase;
}

.project-card h3, .skill-box h3, .snapshot-card h2, .achievement-card strong {
  color: var(--text);
}

.project-card h3 { margin-bottom: 8px; font-size: 1.28rem; }
.project-card p { margin-bottom: 18px; }

.card-link {
  display: inline-block;
  margin-top: auto;
  color: var(--accent);
  font-weight: 900;
}

.achievement-card .card-link { margin-top: 10px; }

.chip-row, .in-progress-strip { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-row.large { gap: 10px; }
.in-progress-strip { margin-top: 6px; }

.chip {
  min-height: 30px; display: inline-flex; align-items: center; padding: 7px 11px;
  border: 1px solid var(--chip-border); border-radius: 6px; color: var(--chip-text); background: var(--chip-bg);
  font-size: 0.86rem; font-weight: 750;
}

.chip.progress {
  border-color: rgba(34, 197, 94, 0.26);
  color: var(--green);
  background: rgba(34, 197, 94, 0.1);
}

.skill-box h3, .snapshot-card h2 { margin-bottom: 10px; font-size: 1.12rem; }
.skill-box p, .snapshot-card p, .achievement-card p { margin: 0; }

.achievement-card span, .mini-label {
  display: inline-block;
  margin-bottom: 9px;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 900;
  text-transform: uppercase;
}

.achievement-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.06rem;
  line-height: 1.36;
}

.list-clean {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  padding-left: 22px;
}

.list-clean li { margin-bottom: 6px; }

.star-grid {
  gap: 32px;
  margin-top: 16px;
}

.star-callout {
  margin-bottom: 32px;
  border-left: 4px solid var(--accent);
  background:
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.08), transparent 65%),
    var(--panel);
}

.star-callout h3 {
  margin-bottom: 12px;
  color: var(--accent);
}

.star-callout .list-clean {
  padding-left: 0;
}

.glass-panel {
  position: relative; isolation: isolate; backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  box-shadow: var(--card-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.24s var(--ease-out), box-shadow 0.24s ease, border-color 0.22s ease, background 0.22s ease;
}

.glass-panel:hover { border-color: var(--accent); background: var(--panel-strong); transform: translateY(-4px); box-shadow: var(--shadow-lift); }

/* The main glass layer: restored and light-mode compatible */
.glass-panel::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; z-index: 0; opacity: 0; transition: opacity 0.4s ease;
  background: radial-gradient(circle 280px at var(--mx, 50%) var(--my, 50%), var(--glass-glow) 0%, transparent 75%);
}
.glass-panel:hover::before { opacity: 1; }

.glass-panel::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; z-index: 0; opacity: 0; transition: opacity 0.3s ease;
  background: conic-gradient(from calc(var(--angle, 0deg) - 60deg) at var(--mx, 50%) var(--my, 50%), transparent 0deg, var(--glass-rim) 90deg, transparent 150deg);
  -webkit-mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000); -webkit-mask-composite: xor; mask-composite: exclude; padding: 1px;
}
.glass-panel:hover::after { opacity: 1; }
.glass-panel > * { position: relative; z-index: 1; }

/* ── Timeline Section Refinement ── */
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
  padding-left: 36px;
  margin-top: 24px;
}

.timeline-list::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--line-strong) 12%, var(--line) 88%, transparent);
}

.timeline-item {
  position: relative;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  transition: transform 0.22s var(--ease-out), border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.timeline-item:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  background: var(--panel-strong);
  box-shadow: var(--shadow-lift);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 28px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
  z-index: 2;
  transition: transform 0.2s ease;
}

.timeline-item:hover::before {
  transform: scale(1.2);
}

.timeline-item span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-item h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
  color: var(--text);
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.timeline-link { display: block; text-decoration: none; }
.timeline-link .card-link { margin-top: 10px; }
.timeline-actions { margin-top: 20px; }

[data-theme="light"] .timeline-item::before {
  border-color: #f6f9ff;
  box-shadow: 0 0 0 2px var(--accent), 0 10px 22px rgba(14, 132, 199, 0.18);
}

.diagram-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  overflow-x: auto;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.diagram-card img {
  display: block;
  width: 100%;
  min-width: 650px;
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: filter 0.5s ease;
}
.diagram-container {
  margin: 18px 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  overflow-x: auto;
}
.diagram-img {
  display: block;
  width: 100%;
  min-width: 640px;
  border-radius: 8px;
}
.diagram-card img.is-zoomable,
.diagram-img.is-zoomable {
  cursor: zoom-in;
}
.diagram-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(3, 2, 8, 0.84);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.diagram-modal-inner {
  position: relative;
  width: min(1180px, 100%);
  max-height: calc(100vh - 56px);
  overflow: auto;
  padding: 58px 18px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--panel-strong);
  box-shadow: var(--shadow-lift);
}
.diagram-modal img {
  display: block;
  width: 100%;
  min-width: 820px;
  border-radius: 8px;
}
@media (max-width: 600px) {
  .diagram-modal { padding: 12px; }
  .diagram-modal img { min-width: 0; }
}
.diagram-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--bg-soft);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}

[data-theme="light"] .diagram-card img {
  filter: none;
}

[data-theme="light"] .diagram-card {
  background: #fdfefe;
  box-shadow: var(--card-shadow);
}

/* ── Rack photo gallery ── */
.rack-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.rack-gallery figure {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.rack-gallery figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.rack-gallery figcaption {
  color: var(--subtle);
  font-size: 0.82rem;
  padding: 10px 12px;
}
.rack-gallery.compact {
  grid-template-columns: 1.15fr 1fr 1fr;
}
.rack-gallery.compact figure img {
  height: 240px;
}

.architecture-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  overflow: hidden;
}
.architecture-flow.compact-flow {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: transparent;
  border: 0;
  box-shadow: none;
}
.flow-lane {
  min-height: 210px;
  padding: 24px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.06), transparent 70%);
}
.flow-lane:last-child { border-right: 0; }
.flow-lane span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}
.flow-lane strong {
  display: block;
  color: var(--text);
  line-height: 1.38;
  margin-bottom: 10px;
}
.flow-lane p {
  margin: 0;
  color: var(--subtle);
  font-size: 0.92rem;
  line-height: 1.58;
}

.ops-timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
.ops-item {
  padding: 18px;
  min-height: 210px;
  border-radius: 8px;
}
.ops-item span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}
.ops-item h3 {
  margin-bottom: 8px;
  color: var(--text);
  font-size: 1.02rem;
}
.ops-item p {
  margin: 0;
  color: var(--subtle);
  font-size: 0.9rem;
  line-height: 1.58;
}

/* ── Tech Stack ── */
.tech-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.tech-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  text-align: center;
  transition: transform 0.22s cubic-bezier(0.34,1.56,0.64,1), border-color 0.2s ease, background 0.2s ease, box-shadow 0.22s ease;
}

.tech-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  background: var(--panel-strong);
  box-shadow: var(--shadow-lift);
}

.tech-item strong {
  display: block;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.tech-item span {
  color: var(--subtle);
  font-size: 0.95rem;
  font-weight: 700;
}

/* ── Certifications ── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--card-shadow);
  transition: transform 0.22s var(--ease-out), border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.cert-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  background: var(--panel-strong);
  box-shadow: var(--shadow-lift);
}

.cert-media {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  overflow: hidden;
}

.cert-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.cert-logo-text {
  font-weight: 900;
  font-size: 1.3rem;
  color: #3d2c8a;
  letter-spacing: 0.04em;
}

.cert-info {
  min-width: 0;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.cert-info h3 {
  margin-bottom: 4px;
  color: var(--text);
  font-size: 1.1rem;
}

.cert-info span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.cert-info p {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.cert-verify {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 900;
}

.hero-note {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--subtle);
  font-size: 0.95rem;
}

.table-note {
  margin-bottom: 20px;
  color: var(--subtle);
}

.table-scroll { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th {
  padding: 10px 14px;
  text-align: left;
  color: var(--subtle);
  border-bottom: 1px solid var(--line);
}

.data-table td {
  padding: 10px 14px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.data-table tbody tr:last-child td { border-bottom: 0; }

.callout {
  border-left: 3px solid var(--purple-strong);
  background:
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.1), transparent 62%),
    var(--panel);
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px 28px;
}

.contact-line { color: var(--subtle); }
.contact-card .contact-line { grid-column: 1 / -1; margin: 0; }
.contact-actions { margin-top: 0; justify-content: flex-end; }
.callout-actions { margin-top: 24px; justify-content: flex-start; }
.callout-contact-line { margin-top: 24px; color: var(--subtle); font-weight: 700; }

.back-link { margin-top: 28px; }
.back-link a { color: var(--accent); font-weight: 900; }
.mt-5 { margin-top: 1.25rem; }

.status-dot { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 14px; color: var(--green); font-size: 0.84rem; font-weight: 900; text-transform: uppercase; }
.status-dot::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--green); animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); } 50% { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); } }

.theme-toggle {
  width: 38px; height: 38px; display: grid; place-items: center; background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 6px; color: var(--subtle); cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease-out);
  padding: 0; position: relative; flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); background: rgba(var(--accent-rgb), 0.1); transform: translateY(-1px); }
.theme-toggle svg { position: absolute; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s; }
[data-theme="dark"] .theme-toggle .sun { transform: scale(0) rotate(-90deg); opacity: 0; }
[data-theme="dark"] .theme-toggle .moon { transform: scale(1) rotate(0); opacity: 1; }
[data-theme="light"] .theme-toggle .sun { transform: scale(1) rotate(0); opacity: 1; }
[data-theme="light"] .theme-toggle .moon { transform: scale(0) rotate(90deg); opacity: 0; }

.footer { width: min(1180px, calc(100% - 32px)); margin: 42px auto 80px; text-align: center; color: var(--subtle); }

@media (max-width: 1100px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .tech-row { grid-template-columns: repeat(3, 1fr); }
  .signal-strip, .skill-grid.four, .snapshot-grid, .achievement-grid, .cert-columns, .three-column { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .architecture-flow, .architecture-flow.compact-flow, .project-domain-grid, .ops-timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-hero { grid-template-columns: 1fr; min-height: auto; }
  .proof-strip, .hub-category-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow-lane:nth-child(2n) { border-right: 0; }
  .flow-lane:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .ops-timeline { gap: 12px; }
}

@media (max-width: 640px) {
  .tech-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 430px) {
  .tech-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .cert-grid { grid-template-columns: 1fr; }
  .cert-card { flex-direction: column; text-align: center; }
  .cert-info { align-items: center; }
}

@media (max-width: 820px) {
  .section[id] { scroll-margin-top: 168px; }
  .nav { flex-wrap: wrap; justify-content: center; gap: 12px; }
  .nav-links { justify-content: center; width: 100%; }
  .hero, .page-hero { min-height: auto; padding: 34px 28px; }
  .home-hero { gap: 18px; padding: 30px 28px; }
  .hero h1, .page-hero h1 { font-size: 3rem; }
  .hero h2, .page-hero h2 { font-size: 1.42rem; }
  .signal-strip, .project-grid, .skill-grid, .skill-grid.four, .snapshot-grid, .achievement-grid, .proof-grid, .two-column, .three-column, .cert-columns, .architecture-flow, .architecture-flow.compact-flow, .project-domain-grid, .ops-timeline, .proof-strip, .hub-category-strip { grid-template-columns: 1fr; }
  .flow-lane { border-right: 0; border-bottom: 1px solid var(--line); }
  .flow-lane:last-child { border-bottom: 0; }
  .rack-gallery { grid-template-columns: repeat(2, 1fr); }
  .rack-gallery.compact { grid-template-columns: 1fr; }
  .section-header { align-items: flex-start; flex-direction: column; }
  .contact-card { grid-template-columns: 1fr; }
  .contact-actions { justify-content: flex-start; }
  .contact-card .contact-line { grid-column: auto; }
  .jump-nav { position: static; margin-bottom: 16px; }
}

@media (max-width: 520px) {
  .page, .nav, .footer { width: min(100% - 20px, 1180px); }
  .nav-links { gap: 10px; }
  .search-trigger kbd { display: none; }
  .card, .snapshot-card, .project-card, .skill-box, .achievement-card, .detail-card { padding: 20px; }
  .home-hero { padding: 24px 20px; }
  .home-hero .status-dot { font-size: 0.74rem; }
  .home-hero .lead { font-size: 0.98rem; line-height: 1.6; }
  .hero-proof { padding: 18px; }
  .hero-proof strong { font-size: 1.22rem; }
  .proof-mini-grid { grid-template-columns: 1fr 1fr; }
  .hero h1, .page-hero h1 { font-size: 2.1rem; }
  .hero h2, .page-hero h2 { font-size: 1.1rem; }
  .hero-actions, .buttons { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-actions .button:first-child { grid-column: 1 / -1; }
  .contact-card-clean .contact-actions { grid-template-columns: 1fr; }
  .contact-card-clean .button { width: 100%; }
  .signal-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 20px; }
  .signal strong { font-size: 0.88rem; }
  .rack-gallery { grid-template-columns: 1fr; }
  .timeline-list { padding-left: 28px; }
  .timeline-item::before { left: -24px; }
  .diagram-card img { min-width: 0; width: 100%; }
  .diagram-img { min-width: 0; width: 100%; overflow-x: hidden; }
  .project-card { min-height: 0; }
  .priority-card, .ops-item, .flow-lane { min-height: 0; }
  .eyebrow, .tagline { font-size: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .glass-panel::before, .glass-panel::after { display: none; }
  .card, .glass-panel, nav, .nav-inner, .mobile-nav-panel { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }
}

[data-perf="low"] .card,
[data-perf="low"] .glass-panel,
[data-perf="low"] nav,
[data-perf="low"] .nav-inner,
[data-perf="low"] .mobile-nav-panel { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }
[data-perf="low"] .card,
[data-perf="low"] .glass-panel { will-change: auto !important; }
[data-perf="low"] *, [data-perf="low"] *::before, [data-perf="low"] *::after { transition-duration: 0.12s !important; }

/* ── Writeup pages ─────────────────────────────────────────────────────── */
.jump-nav {
  position: sticky;
  top: 96px;
  z-index: 8;
  width: min(760px, 100%);
  margin: 18px auto -8px;
  padding: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.jump-nav span {
  display: inline-flex;
  align-items: center;
  padding: 6px 4px;
  color: var(--subtle);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}
.jump-nav a {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--chip-border);
  border-radius: 6px;
  color: var(--accent);
  background: var(--chip-bg);
  font-size: 0.8rem;
  font-weight: 800;
}
.jump-nav a:hover {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.14);
}
.writeup-body { max-width: 760px; margin: 0 auto; }
.writeup-body h2 { margin-top: 0; margin-bottom: 14px; }
.writeup-body h3 { margin-top: 0; margin-bottom: 10px; font-size: 1rem; font-weight: 700; color: var(--text); }
.writeup-body p { color: var(--subtle); line-height: 1.75; margin-bottom: 16px; }
.writeup-body p:last-child { margin-bottom: 0; }
.writeup-body ul, .writeup-body ol { padding-left: 20px; margin-bottom: 16px; }
.writeup-body ul li, .writeup-body ol li { color: var(--subtle); line-height: 1.75; margin-bottom: 6px; }
.writeup-body strong { color: var(--text); }


.tool-chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.tool-chip {
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid var(--line);
  color: var(--accent);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  font-family: 'Consolas', 'Courier New', monospace;
}

.section-divider {
  border: none;
  margin: 32px 0;
  position: relative;
  height: 1px;
  background: transparent;
  overflow: hidden;
}

.section-divider::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.section-divider.is-drawn::before {
  transform: scaleX(1);
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Code blocks ─────────────────────────────────────────────────────────── */
pre {
  margin: 20px 0;
  padding: 18px 20px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.65;
}

pre code {
  font-family: 'Consolas', 'Courier New', monospace;
  color: var(--muted);
  background: none;
  padding: 0;
  border: none;
}

code {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.88em;
  padding: 2px 6px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--accent);
}

pre code { color: var(--muted); }

/* ── Open to work banner ─────────────────────────────────────────────────── */
.otw-banner {
  position: fixed;
  bottom: 18px;
  left: 18px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: min(440px, calc(100vw - 36px));
  padding: 8px 14px;
  background: var(--panel-strong);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  white-space: normal;
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: opacity 0.3s, transform 0.3s;
}
.otw-banner.is-hidden { opacity: 0; pointer-events: none; transform: translateY(12px); }
.otw-banner a { color: var(--accent); text-decoration: underline; }
.otw-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  animation: otw-pulse 2s ease-in-out infinite;
}
@keyframes otw-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  50%       { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}
.otw-close {
  background: none; border: none; color: var(--subtle);
  cursor: pointer; font-size: 0.9rem; padding: 0 0 0 6px;
  line-height: 1;
}
.otw-close:hover { color: var(--text); }

@media (max-width: 640px) {
  .otw-banner {
    display: none;
  }

  .otw-banner.is-hidden {
    transform: translateY(10px);
  }

  .otw-dot {
    margin-top: 4px;
  }

  .otw-close {
    padding-left: 0;
    margin-top: 1px;
  }
}

/* ── Back to top ─────────────────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: var(--panel-strong);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--accent);
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0,0,0,0.3);
  opacity: 0; pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s, border-color 0.2s;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { border-color: var(--accent); transform: translateY(-2px); }

/* ── Skill bars ──────────────────────────────────────────────────────────── */
.skill-bar-wrap {
  margin-top: 14px;
  height: 3px;
  background: rgba(var(--accent-rgb), 0.12);
  border-radius: 99px;
  overflow: hidden;
}
.skill-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--purple), var(--accent));
  border-radius: 99px;
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
[data-theme="light"] .skill-bar {
  background: linear-gradient(90deg, #2563eb, #0284c7);
}

/* ── Scroll progress bar ─────────────────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--accent));
  z-index: 9999;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

[data-theme="light"] .scroll-progress {
  background: linear-gradient(90deg, #2563eb, #0284c7);
}


/* ── Role rotator ────────────────────────────────────────────────────────── */
.role-rotator {
  color: var(--accent);
  border-right: 2px solid var(--accent);
  white-space: nowrap;
  overflow: hidden;
  display: inline-block;
  vertical-align: bottom;
}

/* ── Cert counter ────────────────────────────────────────────────────────── */
.cert-counter {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

/* ── Active nav section highlight ───────────────────────────────────────── */
.nav-links a.is-active {
  color: var(--accent);
}

/* ── SkillsUSA page hero ─────────────────────────────────────────────────── */
.skillsusa-hero {
  position: relative;
}
.skillsusa-hero-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.2), rgba(var(--accent-rgb), 0.06));
  border: 2px solid rgba(var(--accent-rgb), 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1rem;
}
.skillsusa-hero-badge svg { width: 26px; height: 26px; }
.skillsusa-eyebrow-hero {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fde047;
  margin-bottom: 0.5rem;
}
.skillsusa-hero h1 .hero-accent {
  color: var(--accent);
}

/* ── SkillsUSA featured achievement card ─────────────────────────────────── */
.skillsusa-feature {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2rem 2.5rem;
  margin-bottom: 1rem;
  text-decoration: none;
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.07) 0%, var(--glass-bg) 60%);
  border-radius: 12px;
  transition: transform 0.22s var(--ease-out), box-shadow 0.22s ease, border-color 0.22s ease;
  position: relative;
  overflow: hidden;
}
.skillsusa-feature::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.06) 0%, transparent 60%);
  pointer-events: none;
}
.skillsusa-feature:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--accent-rgb), 0.55);
  box-shadow: 0 12px 40px rgba(var(--accent-rgb), 0.15);
}
.skillsusa-medal {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.2), rgba(var(--accent-rgb), 0.08));
  border: 2px solid rgba(var(--accent-rgb), 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.skillsusa-medal svg {
  width: 34px;
  height: 34px;
}
.skillsusa-body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.skillsusa-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}
.skillsusa-feature h3 {
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.01em;
}
.skillsusa-feature h3 span {
  color: var(--accent);
}
.skillsusa-desc {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0;
  max-width: 620px;
  line-height: 1.5;
}
.skillsusa-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}

@media (max-width: 640px) {
  .skillsusa-feature { flex-direction: column; align-items: flex-start; padding: 1.5rem; }
  .skillsusa-feature h3 { font-size: 1.3rem; }
}

/* ── Status badges ───────────────────────────────────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 99px;
  line-height: 1.6;
}
.status-badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-badge.active {
  background: rgba(34, 197, 94, 0.12);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.status-badge.active::before {
  background: #22c55e;
  box-shadow: 0 0 6px #22c55e;
  animation: badge-pulse 2s ease-in-out infinite;
}
.status-badge.done {
  background: rgba(148, 163, 184, 0.1);
  color: var(--subtle);
  border: 1px solid rgba(148, 163, 184, 0.2);
}
.status-badge.done::before {
  background: var(--subtle);
}
.status-badge.wip {
  background: rgba(245, 158, 11, 0.1);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.28);
}
.status-badge.wip::before {
  background: #f59e0b;
  box-shadow: 0 0 5px #f59e0b;
}
[data-theme="light"] .status-badge.active {
  background: rgba(22, 163, 74, 0.08);
  color: #16a34a;
  border-color: rgba(22, 163, 74, 0.25);
}
[data-theme="light"] .status-badge.active::before { background: #16a34a; box-shadow: 0 0 5px #16a34a; }
[data-theme="light"] .status-badge.done { color: var(--subtle); }

@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Nationals countdown ─────────────────────────────────────────────────── */
.nationals-countdown-section {
  text-align: center;
  padding: 2rem 1.5rem;
}
.nationals-countdown-section h2 {
  margin-bottom: 0.25rem;
}
.nationals-sub {
  color: var(--subtle);
  font-size: 0.875rem;
  margin: 0.5rem 0 1.25rem;
}
.nationals-countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 70px;
}
.countdown-num {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.countdown-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtle);
  margin-top: 4px;
}
.countdown-sep {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--accent);
  opacity: 0.5;
  padding-bottom: 18px;
  line-height: 1;
  align-self: flex-end;
}
.nationals-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 99px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  margin-top: 0.75rem;
}

/* ── Page transitions ────────────────────────────────────────────────────── */
@keyframes page-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

body.page-entering {
  animation: page-fade-in 0.22s ease forwards;
}

body.page-fade-out {
  opacity: 0;
  pointer-events: none;
}

@keyframes icon-glow-drift {
  0% { transform: translate(-2px, -1px); }
  100% { transform: translate(10px, 6px); }
}

@media (prefers-reduced-motion: reduce) {
  .hero, .page-hero {
    opacity: 1;
    transform: none;
  }
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .section-divider::before {
    transform: scaleX(1);
    transition: none;
  }
  .project-card:hover .project-icon::after {
    animation: none;
    opacity: 0.28;
  }
}

/* ── Mobile hamburger nav ────────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10001;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.22s var(--ease-out), opacity 0.18s ease, width 0.18s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  width: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.22s ease;
}
.mobile-nav-overlay.is-open {
  display: block;
  opacity: 1;
}

.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(280px, 85vw);
  background: var(--panel-strong);
  border-left: 1px solid var(--glass-border);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  padding: 5rem 1.5rem 2rem;
  gap: 0.25rem;
  transform: translateX(100%);
  transition: transform 0.28s var(--ease-out);
  overflow-y: auto;
}
.mobile-nav-panel.is-open {
  transform: translateX(0);
}
.mobile-nav-panel a {
  display: block;
  padding: 0.75rem 0.5rem;
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--line);
  transition: color 0.15s ease, padding-left 0.15s ease;
}
.mobile-nav-panel a:last-child { border-bottom: none; }
.mobile-nav-panel a:hover,
.mobile-nav-panel a.is-active {
  color: var(--accent);
  padding-left: 1rem;
}

@media (max-width: 768px) {
  .section[id] { scroll-margin-top: 118px; }
  .nav { flex-wrap: nowrap; justify-content: space-between; }
  .hamburger { display: flex; }
  .nav-links { display: none; }
}

/* ── Credly badge embed ──────────────────────────────────────────────────── */
.credly-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}
.credly-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1rem;
  text-align: center;
}
.credly-card .badge-img {
  width: 100px;
  height: 100px;
  object-fit: contain;
}
.credly-card .badge-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.credly-card .badge-issuer {
  font-size: 0.72rem;
  color: var(--subtle);
}
.credly-card .badge-verify {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 3px 10px;
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: 99px;
  transition: background 0.15s ease;
}
.credly-card .badge-verify:hover {
  background: rgba(var(--accent-rgb), 0.1);
}