/*
Theme Name: Architelligence Consulting
Theme URI: https://architelligence.co.za
Author: Dariusz Cieslakiewicz
Author URI: https://architelligence.co.za
Description: A data architecture portfolio theme built on the Nord palette with earthy, subtle Aurora accents (sage green + terracotta) and warm humanist typography.
Version: 2.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: architelligence
Tags: portfolio, dark, nord, earthy, one-page
*/

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  --bg-deep:       #242933;
  --bg-dark:       #2E3440;
  --bg-card:       #3B4252;
  --bg-card-hover: #434C5E;
  /* Neutral Snow Storm border keeps structure quiet; accents stay earthy */
  --border:        rgba(216, 222, 233, 0.10);
  --border-gold:   rgba(208, 135, 112, 0.25);
  --cyan:          #A3BE8C;   /* Aurora sage green — primary accent */
  --cyan-dim:      rgba(163, 190, 140, 0.55);
  --cyan-glow:     rgba(163, 190, 140, 0.12);
  --gold:          #D08770;   /* Aurora terracotta — secondary accent */
  --gold-dim:      rgba(208, 135, 112, 0.6);
  --gold-glow:     rgba(208, 135, 112, 0.10);
  --text-primary:  #E5E9F0;
  --text-secondary:#9AA7B8;
  --text-muted:    #717C90;
  --font-display:  'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:     'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-nav:      'Nunito', 'Inter', system-ui, sans-serif;  /* soft, rounded — navigation */
  --font-mono:     'JetBrains Mono', 'Courier New', monospace;
  --transition:    0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --radius:        6px;
  --radius-lg:     12px;
}

/* ============================================
   PAGE TRANSITIONS (cross-document cross-fade)
   Applies to internal nav AND the same-origin
   site ↔ /platform/ (ArchiElementum) navigation —
   the platform opts in with the same rule, so the
   cross-fade is symmetric in both directions.
   ============================================ */
@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 320ms;
  animation-timing-function: ease;
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--gold); }

/* Lucide icons inherit text colour; align nicely when used inline in text */
.lucide { vertical-align: middle; }

/* ============================================
   LAYOUT PRIMITIVES (Every Layout)
   Composable, single-responsibility utilities.
   ============================================ */

/* .stack — vertical rhythm: even spacing between flow siblings. */
.stack { display: flex; flex-direction: column; justify-content: flex-start; }
.stack > * { margin-block: 0; }
.stack > * + * { margin-block-start: var(--stack-space, 1.5rem); }

/* .pile — superimpose all children in a single grid cell (z-stack). */
.pile { display: grid; }
.pile > * { grid-area: 1 / 1; min-width: 0; }

/* .prose — comfortable reading measure with flowing paragraph spacing. */
.prose { max-width: 65ch; }
.prose > * + * { margin-block-start: 1em; }

ul, ol { list-style: none; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 600;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.section-label::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--cyan);
  display: inline-block;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  color: var(--text-primary);
  margin-bottom: 8px;
}
.section-title span { color: var(--cyan); }

.section-subtitle {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 52px;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: 100px 0;
  position: relative;
}

section:nth-child(even) {
  background: var(--bg-dark);
}

/* ============================================
   3D ANIMATED BACKGROUND SCENE
   A fixed .pile holds three superimposed layers:
   a 3D perspective grid, a flat SVG grid, particles.
   ============================================ */
.bg-scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% 50%, transparent 35%, var(--bg-deep) 78%);
}

/* All three layers fill the same cell (.pile) */
.bg-scene > * { width: 100%; height: 100%; }

/* ── Layer 1: 3D perspective grid ─────────────────────── */
.grid-3d {
  position: relative;
  perspective: 15rem;
  perspective-origin: 50% 50%;
  --grid-floor:   rgba(163, 190, 140, 0.16);  /* sage green */
  --grid-ceiling: rgba(208, 135, 112, 0.13);  /* terracotta */
  --grid-cell: 3.2rem;
}

.grid-3d__plane {
  position: absolute;
  left: -50%;
  width: 200%;
  height: 65%;
  background-size: var(--grid-cell) var(--grid-cell);
  will-change: background-position;
  animation: grid-march 7s linear infinite;
}

/* Floor: hinged at the horizon (vertical centre), tilted away */
.grid-3d__plane--floor {
  top: 50%;
  transform-origin: 50% 0%;
  transform: rotateX(80deg);
  background-image:
    repeating-linear-gradient(90deg, var(--grid-floor) 0 1px, transparent 1px var(--grid-cell)),
    repeating-linear-gradient(0deg,  var(--grid-floor) 0 1px, transparent 1px var(--grid-cell));
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 38%);
          mask-image: linear-gradient(to bottom, transparent 0%, #000 38%);
}

/* Ceiling: mirror of the floor */
.grid-3d__plane--ceiling {
  bottom: 50%;
  transform-origin: 50% 100%;
  transform: rotateX(-80deg);
  background-image:
    repeating-linear-gradient(90deg, var(--grid-ceiling) 0 1px, transparent 1px var(--grid-cell)),
    repeating-linear-gradient(0deg,  var(--grid-ceiling) 0 1px, transparent 1px var(--grid-cell));
  -webkit-mask-image: linear-gradient(to top, transparent 0%, #000 38%);
          mask-image: linear-gradient(to top, transparent 0%, #000 38%);
}

/* Cells march toward the viewer for the infinite-tunnel illusion */
@keyframes grid-march {
  from { background-position: 0 0; }
  to   { background-position: 0 var(--grid-cell); }
}

/* ── Layer 2: faint flat SVG grid ─────────────────────── */
.grid-bg { overflow: hidden; }
.grid-bg svg {
  width: 100%;
  height: 100%;
  opacity: 0.04;
}

/* ── Layer 3: 3D knowledge-graph canvas ───────────────── */
#particles-canvas { opacity: 0.62; }

/* Honour reduced-motion: hold the grid still */
@media (prefers-reduced-motion: reduce) {
  .grid-3d__plane { animation: none; }
}

/* Content sits above the background scene */
.site-content { position: relative; z-index: 1; }

/* ============================================
   NAVIGATION
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(36, 41, 51, 0.82);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.site-header.scrolled {
  background: rgba(36, 41, 51, 0.96);
}

.header-logo {
  font-family: var(--font-nav);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-logo .logo-mark {
  width: 32px;
  height: 32px;
  border: 2px solid var(--cyan);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--cyan);
  font-weight: 900;
  position: relative;
  overflow: hidden;
}

.header-logo .logo-mark::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--cyan-glow);
  animation: pulse-glow 2.5s ease-in-out infinite;
}

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

.nav-list {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-list a {
  font-family: var(--font-nav);
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width var(--transition);
}

.nav-list a:hover {
  color: var(--cyan);
}

.nav-list a:hover::after { width: 100%; }

.nav-cta {
  font-family: var(--font-nav) !important;
  font-size: 0.92rem !important;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid var(--cyan);
  padding: 8px 18px;
  border-radius: var(--radius);
  color: var(--cyan) !important;
  transition: all var(--transition) !important;
}

.nav-cta:hover {
  background: var(--cyan-glow) !important;
  box-shadow: 0 0 16px var(--cyan-dim);
}

/* Platform launch link — distinct earthy (terracotta) accent */
.nav-list a.nav-platform { color: var(--gold); }
.nav-list a.nav-platform::after { background: var(--gold); }
.nav-list a.nav-platform:hover { color: var(--gold); }
.nav-platform-arrow {
  display: inline-block;
  font-size: 0.85em;
  transition: transform var(--transition);
}
.nav-list a.nav-platform:hover .nav-platform-arrow {
  transform: translate(2px, -2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cyan);
  transition: all var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.archidcz-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: center;
}

.archidcz-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.archidcz-tag::before {
  content: '▶';
  font-size: 0.55rem;
  color: var(--gold);
  animation: blink 1.4s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.archidcz-name {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  line-height: 1.0;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #ECEFF4 0%, var(--cyan) 60%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.archidcz-title {
  font-family: var(--font-display);
  font-size: clamp(0.75rem, 1.6vw, 1.05rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.archidcz-title span {
  color: var(--gold);
}

.archidcz-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 44px;
  max-width: 520px;
  border-left: 2px solid var(--border);
  padding-left: 20px;
}

.archidcz-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 44px;
}

.archidcz-stat {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  background: var(--bg-card);
  transition: all var(--transition);
}

.archidcz-stat:hover {
  border-color: var(--cyan-dim);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.archidcz-stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 4px;
}

.archidcz-stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.archidcz-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg-deep);
  font-weight: 700;
}
.btn-primary:hover {
  background: transparent;
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 24px var(--cyan-dim);
}

.btn-outline {
  border-color: var(--border);
  color: var(--text-secondary);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-glow);
}

/* Hero Visual */
.archidcz-visual {
  position: relative;
  height: 520px;
  margin-left: auto;
}

.arch-diagram {
  width: 100%;
  height: 100%;
  position: relative;
}

.hex-grid {
  position: absolute;
  inset: 0;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
#about {
  background: var(--bg-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
}

.about-sidebar {
  position: sticky;
  top: 100px;
}

.profile-frame {
  width: 100%;
  aspect-ratio: 3/4;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--bg-card);
  margin-bottom: 28px;
}

.profile-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--cyan-glow) 0%, transparent 60%, var(--gold-glow) 100%);
}

.profile-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
}

.profile-initials {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.profile-role-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  padding: 0 20px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.contact-item:last-child { border-bottom: none; }

.contact-icon {
  width: 28px;
  height: 28px;
  background: var(--cyan-glow);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--cyan);
  flex-shrink: 0;
}

.about-content {}

.about-lead {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 40px;
}

.differentiators {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 36px;
}

.diff-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.diff-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--gold) 100%);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}

.diff-card:hover::before { transform: scaleY(1); }
.diff-card:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.diff-icon {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--cyan);
  line-height: 0;
}

.diff-title {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 8px;
}

.diff-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   COMPETENCIES SECTION
   ============================================ */
#competencies {}

.comp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.comp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.comp-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.comp-card:hover::after { transform: scaleX(1); }
.comp-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.comp-icon {
  width: 44px;
  height: 44px;
  background: var(--cyan-glow);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--cyan);
}

.comp-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.comp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 4px 9px;
  border-radius: 2px;
  background: rgba(163, 190, 140, 0.06);
  border: 1px solid rgba(163, 190, 140, 0.18);
  color: var(--cyan-dim);
  white-space: nowrap;
}

.tag.gold {
  background: rgba(208, 135, 112, 0.06);
  border-color: rgba(208, 135, 112, 0.18);
  color: var(--gold-dim);
}

/* ============================================
   EXPERIENCE SECTION (TIMELINE)
   ============================================ */
#experience {
  background: var(--bg-dark);
}

.timeline {
  position: relative;
  padding-left: 60px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--gold) 60%, transparent 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 52px;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -50px;
  top: 4px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-dot::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

.timeline-item.past .timeline-dot {
  border-color: var(--text-muted);
}
.timeline-item.past .timeline-dot::after {
  background: var(--text-muted);
  animation: none;
}

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.timeline-role {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.timeline-company {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  white-space: nowrap;
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 20px;
}

.timeline-body {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}

.timeline-item:hover .timeline-body {
  border-color: rgba(163, 190, 140, 0.25);
  background: var(--bg-card-hover);
}

.timeline-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.timeline-highlight {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.timeline-highlight::before {
  content: '▸';
  color: var(--cyan);
  font-size: 0.7rem;
  margin-top: 3px;
  flex-shrink: 0;
}

/* ============================================
   EDUCATION SECTION
   ============================================ */
#education {}

.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.edu-card.featured {
  border-color: rgba(208, 135, 112, 0.3);
}

.edu-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.edu-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.edu-degree {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.edu-institution {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin-bottom: 4px;
}

.edu-year {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.edu-focus {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  border-left: 2px solid var(--border);
  padding-left: 12px;
  margin-top: 12px;
}

/* Certifications */
.cert-list {
  margin-top: 52px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cert-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition);
}

.cert-item:hover {
  border-color: var(--cyan-dim);
  background: var(--bg-card-hover);
}

.cert-badge {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--cyan-glow), var(--gold-glow));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  flex-shrink: 0;
}

.cert-name {
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* ============================================
   PUBLICATIONS SECTION
   ============================================ */
#publications {
  background: var(--bg-dark);
}

.pub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.pub-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pub-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--cyan-dim);
  transform: translateY(-3px);
}

.pub-type {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pub-type::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--gold);
}

.pub-title {
  font-family: var(--font-display);
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.pub-venue {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.pub-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.pub-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.pub-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ============================================
   LANGUAGES SECTION
   ============================================ */
#languages {}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.lang-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
}

.lang-card:hover {
  border-color: var(--cyan-dim);
  transform: translateY(-3px);
}

.lang-name {
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.lang-level {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* Awards */
.awards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.award-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all var(--transition);
}

.award-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.award-icon {
  width: 48px;
  height: 48px;
  background: var(--gold-glow);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
}

.award-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--gold);
  margin-bottom: 4px;
}

.award-org {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
#contact {
  background: var(--bg-dark);
  text-align: center;
}

.contact-hero {
  max-width: 620px;
  margin: 0 auto 56px;
}

.contact-cta-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-cta-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Contact Form */
.contact-form-wrap {
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: left;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--cyan-dim);
  box-shadow: 0 0 0 3px var(--cyan-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

.form-submit {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.form-consent {
  margin-bottom: 24px;
}

.consent-label {
  display: flex !important;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  position: relative;
}

/* Hide native checkbox */
.consent-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* Custom checkbox box */
.consent-box {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 1.5px solid var(--border);
  border-radius: 3px;
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  transition: all var(--transition);
  position: relative;
}

/* Tick mark via pseudo-element — hidden by default */
.consent-box::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid var(--bg-deep);
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
  opacity: 0;
  transition: opacity var(--transition);
}

/* Checked state */
.consent-label input[type="checkbox"]:checked ~ .consent-box {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 10px var(--cyan-dim);
}

.consent-label input[type="checkbox"]:checked ~ .consent-box::after {
  opacity: 1;
}

/* Hover */
.consent-label:hover .consent-box {
  border-color: var(--cyan-dim);
}

/* Focus ring for keyboard nav */
.consent-label input[type="checkbox"]:focus-visible ~ .consent-box {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.consent-text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.consent-text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.consent-text a:hover { color: var(--gold); }

.consent-note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-top: 10px;
  padding-left: 32px;
  line-height: 1.6;
}

.btn-submit {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 15px 36px;
  border-radius: var(--radius);
  cursor: pointer;
  border: none;
  background: var(--cyan);
  color: var(--bg-deep);
  font-weight: 700;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-submit:hover {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 24px var(--cyan-dim);
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  padding: 10px 16px;
  border-radius: var(--radius);
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(163, 190, 140, 0.08);
  border: 1px solid var(--cyan-dim);
  color: var(--cyan);
}

.form-status.error {
  display: block;
  background: rgba(191, 97, 106, 0.08);
  border: 1px solid rgba(191, 97, 106, 0.4);
  color: #BF616A;
}

.linkedin-profile-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(10, 102, 194, 0.35);
  border-radius: var(--radius);
  background: rgba(10, 102, 194, 0.07);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  transition: all var(--transition);
  text-decoration: none;
}

.linkedin-profile-btn:hover {
  border-color: #0A66C2;
  background: rgba(10, 102, 194, 0.14);
  color: #4DA3FF;
  box-shadow: 0 0 16px rgba(10, 102, 194, 0.2);
}

.contact-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid rgba(10, 102, 194, 0.35);
  border-radius: var(--radius-lg);
  padding: 20px 36px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  transition: all var(--transition);
  margin-top: 8px;
}

.contact-linkedin:hover {
  border-color: #0A66C2;
  color: #4DA3FF;
  background: rgba(10, 102, 194, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(10, 102, 194, 0.12);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.footer-links a {
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.footer-sep { color: var(--text-muted); opacity: 0.4; }

.footer-links span:last-child {
  color: var(--text-muted);
  opacity: 0.6;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.footer-tech {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-tech span {
  color: var(--cyan);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   GLITCH EFFECT (Hero name)
   ============================================ */
.glitch {
  position: relative;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
#projects {}

/* Filter bar */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 9px 20px;
  border-radius: 2px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-glow);
}

.filter-btn.active {
  box-shadow: 0 0 12px var(--cyan-glow);
}

/* Project grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.project-card:hover {
  border-color: var(--cyan-dim);
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 0 1px rgba(163, 190, 140,0.1);
}

.project-card.hidden {
  display: none;
}

/* Card diagram preview */
.project-diagram {
  width: 100%;
  height: 180px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all var(--transition);
}

.project-card:hover .project-diagram {
  border-color: var(--cyan-dim);
}

.project-diagram svg {
  width: 100%;
  height: 100%;
}

.project-view-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(36, 41, 51,0.7);
  opacity: 0;
  transition: opacity var(--transition);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--cyan);
  gap: 8px;
}

.project-card:hover .project-view-btn {
  opacity: 1;
}

/* Card body */
.project-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-category::before {
  content: '';
  width: 16px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}

.project-title {
  font-family: var(--font-display);
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.project-client {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.project-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 4px;
}

/* ── Modal / Lightbox ──────────────────────────────── */
.project-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(36, 41, 51,0.92);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.project-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.project-modal {
  background: var(--bg-card);
  border: 1px solid var(--cyan-dim);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 940px;
  max-height: 90vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.35s ease;
  box-shadow: 0 32px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(163, 190, 140,0.15);
}

.project-modal-overlay.open .project-modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--transition);
}

.modal-close:hover {
  border-color: var(--cyan-dim);
  color: var(--cyan);
}

.modal-diagram-panel {
  background: var(--bg-deep);
  border-right: 1px solid var(--border);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.modal-diagram-panel svg {
  width: 100%;
  height: auto;
}

.modal-content-panel {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.modal-category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
  line-height: 1.35;
}

.modal-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal-meta-row {
  display: flex;
  gap: 10px;
  font-size: 0.85rem;
}

.modal-meta-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  min-width: 70px;
  padding-top: 2px;
}

.modal-meta-value {
  color: var(--text-secondary);
}

.modal-highlights {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal-highlight {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.modal-highlight::before {
  content: '▸';
  color: var(--cyan);
  font-size: 0.7rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

@media (max-width: 768px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-modal { grid-template-columns: 1fr; }
  .modal-diagram-panel { border-right: none; border-bottom: 1px solid var(--border); min-height: 240px; }
}

@media (max-width: 520px) {
  .projects-grid { grid-template-columns: 1fr; }
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyan-dim);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .archidcz-grid { grid-template-columns: 1fr; gap: 48px; }
  .archidcz-visual { height: 320px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-sidebar { position: static; }
  .profile-frame { max-width: 280px; }
  .comp-grid { grid-template-columns: 1fr 1fr; }
  .lang-grid { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  section { padding: 72px 0; }
  .nav-list { display: none; }
  .nav-toggle { display: flex; }
  .nav-list.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    background: rgba(36, 41, 51,0.98);
    padding: 24px 32px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }
  .comp-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .pub-grid { grid-template-columns: 1fr; }
  .timeline-highlights { grid-template-columns: 1fr; }
  .archidcz-stats { grid-template-columns: 1fr 1fr 1fr; }
  .differentiators { grid-template-columns: 1fr; }
  .awards-grid { grid-template-columns: 1fr; }
  .lang-grid { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .archidcz-stats { grid-template-columns: 1fr; }
  .archidcz-buttons { flex-direction: column; }
  .lang-grid { grid-template-columns: 1fr 1fr; }
}

/* ══ Nav Dropdown ═══════════════════════════════════════════════════════════ */
.nav-has-dropdown {
  position: relative;
}

.nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 230px;
  padding: 6px 0;
  z-index: 300;
  box-shadow: 0 20px 48px rgba(0,0,0,0.6), 0 0 0 1px rgba(163, 190, 140,0.06);
}

.nav-has-dropdown:hover .nav-dropdown,
.nav-has-dropdown:focus-within .nav-dropdown {
  display: flex;
  flex-direction: column;
}

.nav-dropdown li { list-style: none; }

.nav-dropdown a {
  display: block;
  padding: 9px 18px;
  font-family: var(--font-nav);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--text-secondary);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-dropdown a::after { display: none !important; }

.nav-dropdown a:hover {
  color: var(--cyan);
  background: var(--cyan-glow);
  border-left-color: var(--cyan);
}

/* Caret on parent link */
.nav-has-dropdown > a::after {
  content: '' !important;
  position: static !important;
  display: inline-block !important;
  width: 0 !important;
  height: 0 !important;
  border: 4px solid transparent !important;
  border-top-color: currentColor !important;
  border-bottom: none !important;
  background: none !important;
  margin-left: 5px;
  vertical-align: middle;
  opacity: 0.6;
  transition: opacity var(--transition) !important;
}

.nav-has-dropdown:hover > a::after { opacity: 1; }

/* Mobile: expand inline */
@media (max-width: 768px) {
  .nav-has-dropdown .nav-dropdown {
    display: flex;
    flex-direction: column;
    position: static;
    transform: none;
    background: transparent;
    border: none;
    border-left: 2px solid var(--border);
    box-shadow: none;
    padding: 4px 0 4px 14px;
    margin-top: 4px;
    min-width: auto;
  }
  .nav-has-dropdown > a::after { display: none !important; }
}

/* ══ Project Detail Page ════════════════════════════════════════════════════ */
.proj-detail-page {
  padding: 120px 0 100px;
  min-height: 70vh;
}

.proj-nav-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.proj-back {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition);
}

.proj-back:hover { color: var(--gold); }

.proj-header { margin-bottom: 40px; }

.proj-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.proj-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
  flex-shrink: 0;
}

.proj-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 12px;
}

.proj-role {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* Diagram — 1.5× card height (180 × 1.5 = 270px) */
.proj-diagram-full {
  width: 100%;
  height: 270px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 56px;
}

.proj-diagram-full svg {
  width: 100%;
  height: 100%;
}

.proj-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.proj-section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.proj-highlights-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.proj-highlights-list li {
  font-size: 0.97rem;
  color: var(--text-secondary);
  line-height: 1.78;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.proj-highlights-list li::before {
  content: '▸';
  color: var(--cyan);
  font-size: 0.65rem;
  margin-top: 5px;
  flex-shrink: 0;
}

.proj-tags-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: 100px;
}

.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 768px) {
  .proj-body { grid-template-columns: 1fr; }
  .proj-tags-section { position: static; }
  .proj-diagram-full { height: 200px; }
}