:root {
  --bg:             #1a1a1a;
  --bg-surface:     #222222;
  --bg-surface-h:   #2a2a2a;
  --text:           #ededed;
  --text-muted:     #999999;
  --text-dim:       #555555;
  --teal:           #00c3d4;
  --mint:           #00dcab;
  --coral:          #ff5a3c;
  --amber:          #ff9d17;
  --pink:           #ff4370;
  --green:          #28dc5c;
  --border:         #2e2e2e;
  --border-h:       #00c3d4;
  --grad-primary:   linear-gradient(135deg, #00c3d4, #00dcab);
  --grad-warm:      linear-gradient(135deg, #ff5a3c, #ff9d17);
  --font:           'Roboto', sans-serif;
  --font-mono:      'Roboto Mono', monospace;
  --max-w:          1280px;
  --gap:            110px;
  --nav-h:          60px;
  --r:              4px;
  --t:              0.18s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { background: var(--teal); color: var(--bg); }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2e2e2e; }
::-webkit-scrollbar-thumb:hover { background: var(--teal); }

/* Progress bar */
.progress-bar {
  position: fixed; top: 0; left: 0; z-index: 200;
  width: var(--prog, 0%); height: 2px;
  background: var(--grad-primary); pointer-events: none;
  transition: width 0.08s linear;
}

/* Nav */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h); z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background var(--t), border-color var(--t);
}
.site-header.scrolled {
  background: rgba(26,26,26,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: var(--border);
}
.nav {
  max-width: calc(var(--max-w) + 4rem);
  margin: 0 auto; padding: 0 2rem;
  height: 100%; display: flex; align-items: center; gap: 2rem;
}
.nav-brand {
  font-size: 0.875rem; font-weight: 700;
  color: var(--teal); margin-right: auto;
  letter-spacing: 0.05em;
}
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-size: 0.82rem; color: var(--text-muted);
  font-weight: 400; transition: color var(--t);
}
.nav-links a:hover { color: var(--text); }
.nav-icons { display: flex; gap: 0.5rem; }

/* Easter egg nav icon */
.easter-egg {
  font-size: 0.55rem; line-height: 1;
  color: var(--border);
  display: flex; align-items: center;
  padding: 0 0.15rem;
  transition: color 0.2s ease;
  user-select: none;
}
.easter-egg:hover { color: var(--teal); }

/* Theme toggle */
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  color: var(--text-muted); border: 1px solid var(--border); border-radius: var(--r);
  background: transparent; cursor: pointer;
  transition: color var(--t), border-color var(--t);
}
.theme-toggle:hover { color: var(--text); border-color: var(--border-h); }
.icon-moon { display: none; }
[data-theme="light"] .icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: block; }

.icon-link {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  color: var(--text-muted); border: 1px solid var(--border); border-radius: var(--r);
  transition: color var(--t), border-color var(--t);
}
.icon-link:hover { color: var(--text); border-color: var(--border-h); }

/* Hero */
.hero {
  position: relative; min-height: 100dvh;
  display: flex; align-items: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
}
.hero-bg::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 65% 35%, rgba(0,195,212,0.07) 0%, transparent 65%),
    radial-gradient(ellipse 45% 40% at 15% 75%, rgba(0,220,171,0.04) 0%, transparent 60%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,195,212,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,195,212,0.04) 1px, transparent 1px);
  background-size: 72px 72px;
}
.hero-content {
  position: relative; z-index: 1;
  max-width: calc(var(--max-w) + 4rem);
  width: 100%; margin: 0 auto;
  padding: calc(var(--nav-h) + 5rem) 2rem 4rem;
  display: flex; align-items: center; gap: 4rem;
}
.hero-text { flex: 1; min-width: 0; }
.hero-photo { flex-shrink: 0; }
.profile-img {
  width: 340px; height: 400px;
  object-fit: cover; object-position: center top;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: block;
}
.hero-name {
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 1.25rem;
  font-family: var(--font-mono);
}
.hero-headline {
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  font-weight: 900; line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem; max-width: 17em;
}
.hero-sub {
  font-size: 1rem; color: var(--text-muted);
  max-width: 48ch; margin-bottom: 2.25rem;
  line-height: 1.65; font-weight: 400;
}
.hero-ctas { display: flex; gap: 0.85rem; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.65em 1.5em;
  font-family: var(--font); font-size: 0.875rem; font-weight: 500;
  border-radius: var(--r); border: 1px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: opacity var(--t), transform var(--t), border-color var(--t), color var(--t), background var(--t);
}
.btn-primary {
  background: var(--grad-primary);
  color: #1a1a1a; font-weight: 700; border: none;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--border-h); color: var(--teal); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { color: var(--text); }
.btn-lg { padding: 0.8em 2em; font-size: 0.95rem; }

/* Sections */
.section {
  padding: var(--gap) 2rem;
  max-width: calc(var(--max-w) + 4rem);
  margin: 0 auto; width: 100%;
}
.section-header { margin-bottom: 2.75rem; }
.section-tag {
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--teal); letter-spacing: 0.08em;
  margin-bottom: 0.5rem; display: block; font-weight: 500;
  text-transform: uppercase;
}
.section-header h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.7rem);
  font-weight: 700; letter-spacing: 0.02em;
}

/* About */
.about-grid {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 5rem; align-items: start;
}
.about-bio h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 900; margin-bottom: 1.25rem; letter-spacing: -0.01em;
}
.bio-text {
  font-size: 1rem; line-height: 1.7;
  color: var(--text-muted); max-width: 56ch;
}
.bio-text--spaced { margin-top: 1rem; }
.stats-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--border); border: 1px solid var(--border);
}
.stat-card {
  background: var(--bg-surface); padding: 1.4rem 1.25rem;
  display: flex; flex-direction: column; gap: 0.25rem;
  transition: background var(--t);
}
.stat-card:hover { background: var(--bg-surface-h); }

/* Brand-colored stat numbers */
.stat-num          { font-size: 1.8rem; font-weight: 900; line-height: 1; font-variant-numeric: tabular-nums; }
.stat-num.teal     { color: var(--teal); }
.stat-num.mint     { color: var(--mint); }
.stat-num.amber    { color: var(--amber); }
.stat-num.coral    { color: var(--coral); }
.stat-num.green    { color: var(--green); }

.stat-label {
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text); margin-top: 0.2rem; font-weight: 500;
}
.stat-desc { font-size: 0.76rem; color: var(--text-dim); line-height: 1.4; }

/* Work */
.timeline {
  position: relative;
  display: flex; flex-direction: column;
  padding-left: 2.75rem;
}
.timeline::before {
  content: ''; position: absolute;
  left: 0; top: 2rem; bottom: 2rem; width: 2px;
  background: linear-gradient(to bottom, var(--teal) 0%, rgba(0,195,212,0.08) 100%);
}
.role-card {
  position: relative;
  background: var(--bg-surface); padding: 2.25rem;
  border-left: 2px solid transparent;
  border-bottom: 1px solid var(--border);
  transition: border-color var(--t), background var(--t);
}
.role-card:last-child { border-bottom: none; }
.role-card::before {
  content: ''; position: absolute;
  left: calc(-2.75rem - 3px); top: 2.5rem;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--bg-surface); border: 2px solid var(--teal);
  box-shadow: 0 0 0 3px rgba(0,195,212,0.12);
  transition: background var(--t), border-color var(--t), box-shadow var(--t);
  z-index: 1;
}
.role-card:hover::before {
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(0,195,212,0.18);
}
.role-card:hover { border-color: var(--teal); background: var(--bg-surface-h); }
.role-card-layout {
  display: flex; gap: 1.5rem; align-items: stretch;
}
.role-card-content { flex: 1; min-width: 0; }
.role-head {
  display: flex;
  align-items: flex-start; gap: 1.5rem; margin-bottom: 1.5rem;
}
.role-photo {
  width: 220px;
  object-fit: cover; object-position: center 20%;
  border-radius: var(--r); border: 1px solid var(--border);
  flex-shrink: 0; display: block;
}
.role-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.25rem; letter-spacing: 0.01em; }
.role-company { font-size: 0.875rem; color: var(--teal); font-weight: 500; margin-bottom: 0.35rem; }
.role-meta {
  font-family: var(--font-mono); font-size: 0.67rem;
  color: var(--text-dim);
}
.meta-sep { color: var(--teal); margin: 0 0.35em; }
.role-head-info { flex: 1; min-width: 0; }
.role-period {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.6rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--teal); font-weight: 600;
  background: rgba(0,195,212,0.08);
  border: 1px solid rgba(0,195,212,0.2);
  border-radius: 2px;
  padding: 0.2em 0.6em;
  margin-bottom: 0.5rem;
}
.role-context {
  font-family: var(--font-mono); font-size: 0.67rem;
  color: var(--text-dim); margin-top: 0.2rem;
}
.role-highlights { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.role-highlights li {
  font-size: 0.875rem; color: var(--text-muted);
  padding-left: 1.1em; position: relative; line-height: 1.55;
}
.role-highlights li::before {
  content: '→'; position: absolute; left: 0;
  color: var(--teal); font-family: var(--font-mono);
}
.role-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* Tags */
.tag {
  display: inline-block; font-family: var(--font-mono); font-size: 0.67rem;
  letter-spacing: 0.04em; padding: 0.27em 0.7em;
  border: 1px solid var(--border); border-radius: 2px;
  color: var(--text-dim);
  transition: border-color var(--t), color var(--t);
}
.tag:hover { border-color: var(--teal); color: var(--text); }

/* Work projects */
.projects-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--border);
}
.project-card {
  background: var(--bg-surface); padding: 1.75rem;
  display: flex; flex-direction: column; gap: 0.65rem;
  border-left: 2px solid transparent;
  transition: border-color var(--t), background var(--t);
}
.project-card:hover { background: var(--bg-surface-h); }
.project-card.c-teal:hover  { border-color: var(--teal); }
.project-card.c-mint:hover  { border-color: var(--mint); }
.project-card.c-coral:hover { border-color: var(--coral); }
.project-card.c-amber:hover { border-color: var(--amber); }

.proj-idx {
  font-family: var(--font-mono); font-size: 0.6rem;
  color: var(--text-dim); letter-spacing: 0.12em;
}
.proj-title { font-size: 1.1rem; font-weight: 700; }
.proj-desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* Expandable project detail */
.proj-detail { flex: 1; }
.proj-detail > summary {
  list-style: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-muted); transition: color var(--t);
}
.proj-detail > summary::-webkit-details-marker { display: none; }
.proj-detail > summary:hover { color: var(--text); }
.proj-detail > summary::after {
  content: '+'; font-size: 0.9rem; line-height: 1;
  color: var(--text-dim); transition: color var(--t);
}
.proj-detail[open] > summary::after { content: '\2212'; }
.proj-detail[open] > summary { color: var(--text); margin-bottom: 0.75rem; }
.proj-detail-body { display: flex; flex-direction: column; gap: 0.6rem; }
.proj-detail-body p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }
.proj-label {
  display: block; font-family: var(--font-mono);
  font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 0.1rem;
}
.project-card.c-coral .proj-label { color: var(--coral); }
.project-card.c-mint  .proj-label { color: var(--mint); }
.project-card.c-amber .proj-label { color: var(--amber); }

/* Personal project */
.personal-project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--teal);
  padding: 2.5rem;
  transition: background var(--t);
}
.personal-project-card:hover { background: var(--bg-surface-h); }
.pp-header {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 2rem; margin-bottom: 1.25rem;
}
.pp-meta { display: flex; flex-direction: column; gap: 0.2rem; }
.pp-status {
  display: inline-block; font-family: var(--font-mono); font-size: 0.6rem;
  letter-spacing: 0.1em; font-weight: 700; text-transform: uppercase;
  padding: 0.25em 0.75em; border-radius: 2px; margin-bottom: 0.6rem;
  background: var(--grad-primary); color: #1a1a1a; border: none;
  width: fit-content;
}
.pp-title { font-size: 1.5rem; font-weight: 900; letter-spacing: -0.01em; }
.pp-tagline { font-size: 0.875rem; color: var(--text-muted); margin-top: 0.15rem; }
.pp-link {
  display: inline-flex; align-items: center; gap: 0.4em; flex-shrink: 0;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em;
  color: var(--text-muted); padding: 0.5em 1em;
  border: 1px solid var(--border); border-radius: var(--r);
  transition: color var(--t), border-color var(--t);
}
.pp-link:hover { color: var(--teal); border-color: var(--border-h); }
.pp-desc {
  font-size: 0.95rem; color: var(--text-muted);
  line-height: 1.75; max-width: 68ch;
  margin-bottom: 1.5rem;
}
.pp-features {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem 1rem; margin-bottom: 1.5rem;
}
.pp-features span {
  font-size: 0.82rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 0.5rem;
}
.pp-features span::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: var(--teal); flex-shrink: 0;
}
.pp-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* Skills */
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem 5rem; }
.skill-group-label {
  font-family: var(--font-mono); font-size: 0.63rem;
  letter-spacing: 0.1em; margin-bottom: 0.85rem;
  font-weight: 500; text-transform: uppercase;
}
.skill-group-label.teal  { color: var(--teal); }
.skill-group-label.mint  { color: var(--mint); }
.skill-group-label.coral { color: var(--coral); }
.skill-group-label.amber { color: var(--amber); }
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }

/* Default-colored skill tags by group */
.skill-c-teal .tag  { color: var(--teal);  border-color: rgba(0,195,212,0.3); }
.skill-c-mint .tag  { color: var(--mint);  border-color: rgba(0,220,171,0.3); }
.skill-c-coral .tag { color: var(--coral); border-color: rgba(255,90,60,0.3); }
.skill-c-amber .tag { color: var(--amber); border-color: rgba(255,157,23,0.3); }

/* Contact */
.contact-section { padding-top: var(--gap); padding-bottom: var(--gap); }
.contact-inner {
  display: grid; grid-template-columns: 1fr auto;
  gap: 4rem; align-items: center;
  border-top: 1px solid var(--border); padding-top: 4rem;
}
.contact-heading {
  font-size: clamp(2rem, 3.8vw, 3.25rem);
  font-weight: 900; letter-spacing: -0.02em;
  line-height: 1.1; margin-bottom: 0.85rem;
}
.contact-sub {
  font-size: 0.95rem; color: var(--text-muted);
  max-width: 38ch; margin-bottom: 0.65rem; line-height: 1.65;
}
.contact-location {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.06em; color: var(--text-dim);
}
.contact-actions { display: flex; flex-direction: column; gap: 0.65rem; min-width: 200px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem 2rem;
  max-width: calc(var(--max-w) + 4rem); margin: 0 auto;
}
.footer-text {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-mono); font-size: 0.67rem;
  color: var(--text-dim); letter-spacing: 0.05em;
}
.footer-sep { color: var(--teal); }

/* Scroll reveal */
.reveal-up {
  opacity: 0; transform: translateY(16px);
  transition:
    opacity 0.5s cubic-bezier(0.22,1,0.36,1),
    transform 0.5s cubic-bezier(0.22,1,0.36,1);
  transition-delay: var(--delay, 0s);
}
.reveal-up.in-view { opacity: 1; transform: translateY(0); }

/* Light mode */
[data-theme="light"] {
  --bg:           #f5f5f5;
  --bg-surface:   #ffffff;
  --bg-surface-h: #eeeeee;
  --text:         #1a1a1a;
  --text-muted:   #555555;
  --text-dim:     #999999;
  --border:       #dddddd;
  --border-h:     #2e2e2e;
}
[data-theme="light"] .site-header.scrolled {
  background: rgba(245,245,245,0.94);
}
[data-theme="light"] .hero-bg::before {
  background:
    radial-gradient(ellipse 70% 55% at 65% 35%, rgba(0,195,212,0.06) 0%, transparent 65%),
    radial-gradient(ellipse 45% 40% at 15% 75%, rgba(0,220,171,0.03) 0%, transparent 60%);
}
[data-theme="light"] .hero-grid {
  background-image:
    linear-gradient(rgba(0,195,212,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,195,212,0.06) 1px, transparent 1px);
}
/* Brand colors fail on light backgrounds — override text uses to dark */
[data-theme="light"] .hero-name,
[data-theme="light"] .nav-brand,
[data-theme="light"] .role-company,
[data-theme="light"] .section-tag,
[data-theme="light"] .meta-sep,
[data-theme="light"] .role-period,
[data-theme="light"] .role-highlights li::before,
[data-theme="light"] .footer-sep     { color: #007a85; }
[data-theme="light"] .stat-num.teal,
[data-theme="light"] .stat-num.mint,
[data-theme="light"] .stat-num.amber,
[data-theme="light"] .stat-num.coral,
[data-theme="light"] .stat-num.green { color: #1a1a1a; }
[data-theme="light"] .skill-group-label.teal  { color: #007a85; }
[data-theme="light"] .skill-group-label.mint  { color: #007a5e; }
[data-theme="light"] .skill-group-label.coral { color: #b33c28; }
[data-theme="light"] .skill-group-label.amber { color: #a06200; }
[data-theme="light"] .skill-c-teal .tag  { color: #007a85; border-color: rgba(0,122,133,0.3); }
[data-theme="light"] .skill-c-mint .tag  { color: #007a5e; border-color: rgba(0,122,94,0.3); }
[data-theme="light"] .skill-c-coral .tag { color: #b33c28; border-color: rgba(179,60,40,0.3); }
[data-theme="light"] .skill-c-amber .tag { color: #a06200; border-color: rgba(160,98,0,0.3); }
[data-theme="light"] .role-card:hover { border-color: #007a85; }
[data-theme="light"] .timeline::before { background: linear-gradient(to bottom, #007a85 0%, rgba(0,122,133,0.06) 100%); }
[data-theme="light"] .role-card::before { background: var(--bg-surface); border-color: #007a85; box-shadow: 0 0 0 3px rgba(0,122,133,0.1); }
[data-theme="light"] .role-card:hover::before { background: #007a85; }
[data-theme="light"] .role-period { color: #007a85; background: rgba(0,122,133,0.06); border-color: rgba(0,122,133,0.2); }
[data-theme="light"] .project-card.c-teal:hover,
[data-theme="light"] .project-card.c-mint:hover,
[data-theme="light"] .project-card.c-coral:hover,
[data-theme="light"] .project-card.c-amber:hover { border-color: #007a85; }
[data-theme="light"] .personal-project-card { border-left-color: #007a85; }
[data-theme="light"] .btn-outline { border-color: #cccccc; }
[data-theme="light"] .btn-outline:hover { border-color: #007a85; color: #007a85; }
[data-theme="light"] .pp-link:hover { color: #007a85; border-color: #007a85; }
[data-theme="light"] .tag:hover { border-color: #007a85; color: var(--text); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: #cccccc; }

/* Smooth theme crossfade */
.theme-transitioning,
.theme-transitioning * {
  transition:
    background-color 0.22s ease,
    color 0.22s ease,
    border-color 0.22s ease !important;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal-up { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* Responsive */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .skills-grid { gap: 2rem 3rem; }
  .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-actions { flex-direction: row; flex-wrap: wrap; min-width: 0; }
}
@media (max-width: 900px) {
  .hero-content { flex-direction: column-reverse; gap: 2rem; }
  .hero-photo { align-self: flex-start; }
  .profile-img { width: 260px; height: 310px; }
}
@media (max-width: 768px) {
  :root { --gap: 80px; }
  .nav-links { display: none; }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .pp-features { grid-template-columns: 1fr 1fr; }
  .role-card-layout { flex-direction: column; }
  .role-photo { width: 100%; height: 200px; object-position: center 25%; }
  .timeline { padding-left: 1.75rem; }
  .role-card::before { left: calc(-1.75rem - 3px); }
}
@media (max-width: 480px) {
  :root { --gap: 60px; }
  .nav, .section { padding-left: 1.25rem; padding-right: 1.25rem; }
  .hero-content { padding-left: 1.25rem; padding-right: 1.25rem; }
  .hero-ctas { flex-direction: column; }
  .stats-grid { grid-template-columns: 1fr; }
  .contact-actions { flex-direction: column; }
  .contact-inner { padding-top: 2.5rem; gap: 2rem; }
  .pp-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .pp-features { grid-template-columns: 1fr; }
  .site-footer { padding-left: 1.25rem; padding-right: 1.25rem; }
}