:root {
  --bg: #040d1a;
  --bg2: #071428;
  --card: #0a1d35;
  --card2: #0d2040;
  --border: rgba(56, 139, 253, 0.15);
  --border-bright: rgba(56, 139, 253, 0.35);
  --blue: #388bfd;
  --cyan: #39d0d8;
  --purple: #9b6dff;
  --green: #3ddc84;
  --orange: #ff9f43;
  --yellow: #ffd166;
  --text: #e8f4ff;
  --text-dim: #7a9bbf;
  --text-muted: #3d5a78;
  --glow: rgba(56, 139, 253, 0.08);
  --font-display: 'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}
.js-ready { }
.js-ready body { cursor: none; }
/* Custom cursor */
.cursor {
  width: 12px; height: 12px;
  background: var(--blue);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.2s, height 0.2s, background 0.2s, opacity 0.2s;
  mix-blend-mode: screen;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1.5px solid var(--blue);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease-out, width 0.2s, height 0.2s, opacity 0.2s;
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 2px; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem;
  height: 60px;
  background: rgba(4, 13, 26, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800; font-size: 1.1rem;
  letter-spacing: 0.05em;
  display: flex; align-items: center; gap: 10px;
}
.nav-logo-box {
  width: 32px; height: 32px;
  background: var(--blue);
  color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 800;
  border-radius: 6px;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  text-decoration: none; color: var(--text-dim);
  font-size: 0.85rem; font-weight: 400;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--blue); transform: scaleX(0);
  transition: transform 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--blue); }
.nav-actions { display: flex; gap: 1rem; align-items: center; }
.nav-btn {
  padding: 6px 16px; border-radius: 6px;
  font-size: 0.8rem; font-weight: 500;
  cursor: pointer; text-decoration: none;
  border: 1px solid var(--border-bright);
  color: var(--blue); background: transparent;
  transition: background 0.2s, color 0.2s;
  font-family: var(--font-body);
}
.nav-btn:hover { background: var(--blue); color: var(--bg); }

/* ── HERO ── */
#home {
  min-height: 100vh;
  padding: 80px 3rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 20% 50%, rgba(56,139,253,0.07) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 80% 80%, rgba(155,109,255,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.hero-grid {
  position: absolute; inset: 0; opacity: 0.035;
  background-image: linear-gradient(var(--blue) 1px, transparent 1px),
                    linear-gradient(90deg, var(--blue) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-left { position: relative; z-index: 1; }

.hero-top {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}
.hero-photo-wrap {
  position: relative;
  flex-shrink: 0;
  width: 180px;
  height: 180px;
}
.hero-photo-glow {
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56,139,253,0.35) 0%, rgba(57,208,216,0.15) 45%, transparent 70%);
  filter: blur(8px);
  animation: glowPulse 4s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}
.hero-photo {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--border-bright);
  box-shadow: 0 0 40px rgba(56,139,253,0.25);
}
.hero-text { flex: 1; min-width: 0; }
.hero-text h1 { margin-bottom: 0.3em; }

.hero-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 1.5rem;
}
.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 3px;
  border: 1px solid;
}
.tag-blue { border-color: var(--blue); color: var(--blue); }
.tag-cyan { border-color: var(--cyan); color: var(--cyan); }
.tag-purple { border-color: var(--purple); color: var(--purple); }
.tag-green { border-color: var(--green); color: var(--green); }

h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 0.4em;
}
h1 .accent { color: var(--blue); }

.hero-subtitle {
  font-size: 1rem; color: var(--text-dim);
  margin-bottom: 1rem; line-height: 1.6;
  border-left: 2px solid var(--blue);
  padding-left: 1rem;
}
.hero-roles {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 2rem;
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--text-dim);
}
.hero-roles span { color: var(--text); }
.hero-roles .sep { color: var(--text-muted); }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 8px;
  background: var(--blue); color: var(--bg);
  font-weight: 600; font-size: 0.85rem;
  text-decoration: none; border: none; cursor: pointer;
  font-family: var(--font-body);
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 0 20px rgba(56,139,253,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(56,139,253,0.5); }
.btn-ghost {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 8px;
  border: 1px solid var(--border-bright); color: var(--text);
  font-weight: 500; font-size: 0.85rem;
  text-decoration: none; cursor: pointer; background: transparent;
  font-family: var(--font-body);
  transition: border-color 0.2s, background 0.2s;
}
.btn-ghost:hover { border-color: var(--blue); background: var(--glow); }

/* Hero right — live stats panel */
.hero-right { position: relative; z-index: 1; }
.stats-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}
.stats-panel::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--purple));
}
.stats-panel-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.2rem;
}
.stats-panel-title {
  font-family: var(--font-mono); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-dim);
}
.live-badge {
  display: flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: 0.6rem;
  color: var(--green);
}
.live-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* Hero Quick Stats */
.hero-stats-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  margin-bottom: 1.5rem;
}
.hero-stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  transition: border-color 0.2s, transform 0.2s;
}
.hero-stat-card:hover { border-color: var(--border-bright); transform: translateY(-2px); }
.hero-stat-num {
  font-family: var(--font-display); font-weight: 800; font-size: 1.8rem;
  color: var(--blue); line-height: 1; margin-bottom: 6px;
}
.hero-stat-label { font-size: 0.72rem; color: var(--text-dim); line-height: 1.4; }

.hero-toolkit {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}
.hero-toolkit .toolkit-bar:last-child { margin-bottom: 0; }

/* Domain donuts + skill bars */
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}
.stat-label {
  font-family: var(--font-mono); font-size: 0.6rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-muted); margin-bottom: 0.5rem;
}
.skill-bar { margin-bottom: 8px; }
.skill-bar-label {
  display: flex; justify-content: space-between;
  font-size: 0.72rem; color: var(--text-dim); margin-bottom: 3px;
}
.skill-bar-track {
  height: 3px; background: var(--bg);
  border-radius: 2px; overflow: hidden;
}
.skill-bar-fill {
  height: 100%; border-radius: 2px;
  transition: width 1.5s cubic-bezier(0.4,0,0.2,1);
  width: 0;
}
.fill-blue { background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.fill-cyan { background: linear-gradient(90deg, var(--cyan), var(--blue)); }
.fill-purple { background: linear-gradient(90deg, var(--purple), var(--blue)); }
.fill-green { background: linear-gradient(90deg, var(--green), var(--cyan)); }
.fill-orange { background: linear-gradient(90deg, var(--orange), var(--yellow)); }
.fill-yellow { background: linear-gradient(90deg, var(--yellow), var(--orange)); }

.domain-item {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 6px; font-size: 0.75rem; color: var(--text-dim);
}
.domain-dot { width: 8px; height: 8px; border-radius: 2px; flex-shrink: 0; }
.domain-pct { margin-left: auto; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text); }

/* ── SECTION COMMON ── */
section { padding: 5rem 3rem; }
.section-header { margin-bottom: 3rem; }
.section-eyebrow {
  font-family: var(--font-mono); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--blue); margin-bottom: 0.5rem;
  display: flex; align-items: center; gap: 10px;
}
.section-eyebrow::before {
  content: ''; display: block;
  width: 24px; height: 1px; background: var(--blue);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700; letter-spacing: -0.02em;
}

/* ── ANALYTICS STUDIO ── */
#analytics { background: var(--bg2); }
.studio-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1fr;
  gap: 1.5rem;
}
.studio-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.studio-card:hover { border-color: var(--border-bright); transform: translateY(-3px); }
.studio-card-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.9rem; margin-bottom: 1.2rem;
  display: flex; align-items: center; gap: 8px;
}
.studio-card-title .icon {
  width: 28px; height: 28px;
  background: var(--glow); border: 1px solid var(--border-bright);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
}

/* Toolkit bars */
.toolkit-bar { margin-bottom: 10px; }
.toolkit-bar-top {
  display: flex; justify-content: space-between;
  font-size: 0.78rem; margin-bottom: 4px;
}
.toolkit-bar-track {
  height: 5px; background: var(--bg);
  border-radius: 3px; overflow: hidden;
}
.toolkit-bar-fill {
  height: 100%; border-radius: 3px;
  transition: width 1.5s cubic-bezier(0.4,0,0.2,1);
  width: 0;
}

/* Timeline */
.timeline { position: relative; padding-left: 1.5rem; }
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 8px; bottom: 0;
  width: 1px; background: var(--border);
}
.tl-item {
  position: relative; margin-bottom: 1.2rem;
}
.tl-dot {
  position: absolute; left: -1.5rem; top: 4px;
  width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid;
  background: var(--bg2);
  transform: translateX(-4px);
}
.tl-year {
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--blue); margin-bottom: 2px;
}
.tl-role { font-weight: 500; font-size: 0.82rem; }
.tl-company { font-size: 0.75rem; color: var(--text-dim); }

/* Research focus */
.focus-chain {
  display: flex; flex-direction: column; gap: 8px; align-items: stretch;
}
.focus-item {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px;
  font-size: 0.8rem; text-align: center;
  transition: border-color 0.2s;
}
.focus-item:hover { border-color: var(--blue); }
.focus-arrow { text-align: center; color: var(--text-muted); font-size: 0.8rem; }

/* ── PROJECTS ── */
#projects { background: var(--bg); }
.projects-featured {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem; margin-bottom: 1.5rem;
}
.project-main {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  transition: border-color 0.2s;
}
.project-main:hover { border-color: var(--border-bright); }
.project-main-img {
  height: 180px;
  background: linear-gradient(135deg, #071a30 0%, #0d1f3d 50%, #091526 100%);
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.project-main-img .img-label {
  font-family: var(--font-mono); font-size: 0.65rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--blue); z-index: 1;
  background: rgba(4,13,26,0.8); padding: 6px 14px; border-radius: 20px;
  border: 1px solid var(--border-bright);
}
.project-main-img .bg-circles {
  position: absolute; inset: 0;
}
.circle-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(56,139,253,0.15);
}
.project-main-body { padding: 1.4rem; }
.project-tag {
  font-family: var(--font-mono); font-size: 0.6rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--cyan); margin-bottom: 0.5rem;
}
.project-main-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.1rem; margin-bottom: 0.5rem; line-height: 1.3;
}
.project-desc { font-size: 0.8rem; color: var(--text-dim); line-height: 1.6; margin-bottom: 1rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 1rem; }
.p-tag {
  font-size: 0.65rem; padding: 3px 8px; border-radius: 4px;
  border: 1px solid var(--border); color: var(--text-dim);
  font-family: var(--font-mono);
}
.project-link {
  font-size: 0.78rem; color: var(--blue); text-decoration: none;
  display: flex; align-items: center; gap: 4px;
  transition: gap 0.2s;
}
.project-link:hover { gap: 8px; }

.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.project-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.4rem;
  transition: border-color 0.2s, transform 0.2s;
  cursor: pointer;
}
.project-card:hover { border-color: var(--border-bright); transform: translateY(-4px); }
.project-card-icon {
  width: 36px; height: 36px;
  background: var(--glow); border: 1px solid var(--border-bright);
  border-radius: 8px; margin-bottom: 1rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.project-card-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.9rem; margin-bottom: 0.4rem;
}

/* ── RESEARCH ── */
#research { background: var(--bg2); }
.research-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; }
.research-main {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.8rem;
}
.thesis-label {
  font-family: var(--font-mono); font-size: 0.65rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--purple); margin-bottom: 0.5rem;
}
.thesis-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.3rem; line-height: 1.3; margin-bottom: 1rem;
}
.thesis-desc { font-size: 0.82rem; color: var(--text-dim); line-height: 1.7; margin-bottom: 1.5rem; }

.framework-flow {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.fw-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px; text-align: center;
  flex: 1; min-width: 80px;
  transition: border-color 0.2s;
}
.fw-box:hover { border-color: var(--purple); }
.fw-name {
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500;
  color: var(--purple); margin-bottom: 2px;
}
.fw-full { font-size: 0.65rem; color: var(--text-muted); line-height: 1.3; }
.fw-arrow { color: var(--text-muted); font-size: 0.8rem; }

.research-sidebar { display: flex; flex-direction: column; gap: 1rem; }
.research-stat {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.2rem;
}
.r-stat-num {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 800;
  color: var(--blue); line-height: 1;
}
.r-stat-label { font-size: 0.78rem; color: var(--text-dim); margin-top: 4px; }

/* ── EXPERTISE ── */
#expertise { background: var(--bg); }
.expertise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.expertise-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.expertise-card:hover { border-color: var(--border-bright); transform: translateY(-4px); }
.exp-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; margin-bottom: 1rem;
}
.exp-title {
  font-family: var(--font-display); font-weight: 600; font-size: 0.9rem;
  margin-bottom: 0.8rem;
}
.exp-list { list-style: none; }
.exp-list li {
  font-size: 0.78rem; color: var(--text-dim); padding: 3px 0;
  display: flex; align-items: center; gap: 6px;
}
.exp-list li::before { content: '▸'; color: var(--blue); font-size: 0.6rem; }

/* ── JOURNEY ── */
#journey { background: var(--bg2); }
.journey-track {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; position: relative;
}
.journey-track::before {
  content: '';
  position: absolute; top: 28px; left: 12.5%; right: 12.5%;
  height: 1px; background: linear-gradient(90deg, var(--blue), var(--purple), var(--cyan));
  z-index: 0;
}
.journey-item {
  position: relative; z-index: 1; text-align: center; padding: 0 1rem;
}
.journey-node {
  width: 56px; height: 56px; border-radius: 50%;
  border: 2px solid var(--border-bright);
  background: var(--card2);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.3rem;
  transition: border-color 0.2s, transform 0.2s;
}
.journey-item:hover .journey-node { border-color: var(--blue); transform: scale(1.1); }
.journey-year {
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--blue); margin-bottom: 4px;
}
.journey-role { font-weight: 600; font-size: 0.85rem; margin-bottom: 2px; }
.journey-company { font-size: 0.75rem; color: var(--text-dim); }

/* ── CONTACT ── */
#contact { background: var(--bg); }
.contact-inner {
  max-width: 700px; margin: 0 auto; text-align: center;
}
.contact-email {
  font-family: var(--font-mono); font-size: 1rem; color: var(--blue);
  text-decoration: none; display: block; margin: 1.5rem 0;
  padding: 1rem 2rem; border: 1px solid var(--border-bright);
  border-radius: 10px; transition: background 0.2s;
}
.contact-email:hover { background: var(--glow); }
.contact-links { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.contact-link {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 8px;
  border: 1px solid var(--border); color: var(--text-dim);
  text-decoration: none; font-size: 0.82rem;
  transition: border-color 0.2s, color 0.2s;
}
.contact-link:hover { border-color: var(--border-bright); color: var(--text); }

/* Footer */
footer {
  padding: 1.5rem 3rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.75rem; color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Animations */
.fade-in { opacity: 1; transform: none; }
.js-ready .fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s, transform 0.6s; }
.js-ready .fade-in.visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1000px) {
  #home { grid-template-columns: 1fr; }
  .studio-grid, .projects-featured, .research-grid { grid-template-columns: 1fr; }
  .projects-grid, .expertise-grid { grid-template-columns: 1fr 1fr; }
  .journey-track { grid-template-columns: 1fr 1fr; }
  .journey-track::before { display: none; }
  nav { padding: 0 1.5rem; }
  .nav-links { display: none; }
  section { padding: 4rem 1.5rem; }
  #home { padding: 80px 1.5rem 4rem; }
}
@media (max-width: 700px) {
  .hero-top { flex-direction: column; text-align: center; gap: 1rem; }
  .hero-photo-wrap { width: 140px; height: 140px; }
  .hero-tags, .hero-roles { justify-content: center; }
  .hero-subtitle { border-left: none; border-top: 2px solid var(--blue); padding-left: 0; padding-top: 0.6rem; }
}
@media (max-width: 600px) {
  .projects-grid, .expertise-grid, .journey-track { grid-template-columns: 1fr; }
  .hero-stats-grid { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 2.8rem; }
}