/* ============================================================
   Yev Ignatov — Portfolio
   style.css
   ============================================================ */

/* ---- CSS TOKENS ---- */
:root {
  /* Violet / Indigo palette — dark mode */
  --color-bg:        #0e0d14;
  --color-bg-alt:    #14121f;
  --color-surface:   #1c1a2e;
  --color-surface-2: #252240;
  --color-border:    rgba(167,139,250,0.14);
  --color-primary:   #a78bfa;
  --color-primary-2: #7c3aed;
  --color-primary-glow: rgba(167,139,250,0.15);

  --color-text:      #e8e4f8;
  --color-text-2:    #a099c4;
  --color-text-3:    #635d88;

  --color-green:  #4ade80;
  --color-red:    #f87171;
  --color-yellow: #fbbf24;

  --font-sans: 'Satoshi', system-ui, sans-serif;
  --font-head: 'Cabinet Grotesk', system-ui, sans-serif;

  --radius:    14px;
  --radius-sm: 8px;
  --radius-xs: 5px;
  --transition: 0.2s ease;

  --max-width: 1120px;
  --header-h:  68px;
}

[data-theme="light"] {
  --color-bg:        #f8f7ff;
  --color-bg-alt:    #f0eeff;
  --color-surface:   #ffffff;
  --color-surface-2: #ede9fc;
  --color-border:    rgba(109,40,217,0.14);
  --color-primary:   #6d28d9;
  --color-primary-2: #4c1d95;
  --color-primary-glow: rgba(109,40,217,0.1);

  --color-text:   #1a1730;
  --color-text-2: #4b4275;
  --color-text-3: #8c85b5;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.65;
  transition: background var(--transition), color var(--transition);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font: inherit; }
pre, code { font-family: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', monospace; }

/* ---- CONTAINER ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- HEADER ---- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 80;
  background: rgba(14,13,20,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}
[data-theme="light"] .site-header {
  background: rgba(248,247,255,0.88);
}
.site-header.scrolled { box-shadow: 0 2px 32px rgba(0,0,0,0.28); }

.nav {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: 2rem;
}
.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.nav-logo svg rect { transition: fill var(--transition); }

.nav-links {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
}
.nav-links a {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-xs);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-2);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--color-text); }
.nav-resume {
  color: var(--color-primary) !important;
  border: 1px solid var(--color-primary) !important;
}
.nav-resume:hover { background: var(--color-primary-glow) !important; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  color: var(--color-text-2);
  transition: color var(--transition), border-color var(--transition);
}
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px; height: 38px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
}
.nav-hamburger span {
  display: block;
  width: 18px; height: 2px;
  background: var(--color-text-2);
  border-radius: 2px;
  transition: transform 0.22s, opacity 0.22s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- MOBILE MENU ---- */
.mobile-menu {
  position: fixed;
  top: var(--header-h); left: 0; right: 0;
  z-index: 200;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1.5rem 1.25rem;
  transform: translateY(-110%);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.mobile-menu ul { display: flex; flex-direction: column; gap: 0.15rem; }
.mobile-link {
  display: block;
  padding: 0.7rem 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-2);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}
.mobile-link:hover { color: var(--color-primary); }
.mobile-menu ul li:last-child .mobile-link { border-bottom: none; }

/* ---- SECTION DEFAULTS ---- */
.section {
  padding: 6rem 0;
}
.section-label {
  display: inline-block;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-2); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-2);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-1px); }
.btn-sm { padding: 0.4rem 1rem; font-size: 0.82rem; }

/* ---- ACCENT ---- */
.accent { color: var(--color-primary); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(ellipse 60% 50% at 15% 45%, rgba(167,139,250,0.08) 0%, transparent 70%),
    linear-gradient(rgba(167,139,250,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167,139,250,0.04) 1px, transparent 1px);
  background-size: 100% 100%, 44px 44px, 44px 44px;
  pointer-events: none;
}
[data-theme="light"] .hero-bg-grid {
  background-image:
    radial-gradient(ellipse 60% 50% at 15% 45%, rgba(109,40,217,0.06) 0%, transparent 70%),
    linear-gradient(rgba(109,40,217,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109,40,217,0.04) 1px, transparent 1px);
}
.hero-inner {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  padding-top: calc(var(--header-h) + 3rem);
  padding-bottom: 4rem;
}
.hero-left { display: flex; flex-direction: column; gap: 1.5rem; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  width: fit-content;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  animation: badge-pulse 2s infinite;
}
@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0.45); }
  50%       { box-shadow: 0 0 0 6px rgba(74,222,128,0); }
}
.hero-name {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
  display: flex;
  flex-direction: column;
}
.hero-greeting {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--color-text-2);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.hero-display {
  font-size: clamp(3rem, 7vw, 5.5rem);
  color: var(--color-text);
}
.hero-tagline {
  font-size: 1.05rem;
  color: var(--color-text-2);
  line-height: 1.6;
}
.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Code window */
.hero-code-snippet { position: relative; }
.code-window {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4), 0 0 0 1px rgba(167,139,250,0.08);
}
.code-window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.65rem 1rem;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red    { background: #f87171; }
.dot-yellow { background: #fbbf24; }
.dot-green  { background: #4ade80; }
.code-window-title {
  margin-left: 0.5rem;
  font-size: 0.78rem;
  color: var(--color-text-3);
  font-family: monospace;
}
.code-window-body {
  padding: 1.25rem;
  font-size: 0.77rem;
  line-height: 1.65;
  overflow-x: auto;
  max-height: 380px;
  overflow-y: auto;
}
.code-window-body code { background: none; padding: 0; font-size: inherit; }

/* Prism overrides */
pre[class*="language-"],
code[class*="language-"] { background: none !important; font-size: inherit; }
.token.comment { color: #635d88 !important; font-style: italic; }
.token.keyword  { color: #c4b5fd !important; }
.token.function { color: #818cf8 !important; }
.token.string   { color: #86efac !important; }
.token.number   { color: #fb923c !important; }
.token.operator { color: #e2e8f0 !important; }
.token.punctuation { color: #94a3b8 !important; }

/* Hero scroll hint */
.hero-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-3);
  padding-bottom: 2rem;
}
.scroll-ball { animation: scroll-bounce 1.8s ease infinite; }
@keyframes scroll-bounce {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(8px); }
}

/* ---- ABOUT ---- */
.about {
  background: var(--color-bg-alt);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text { display: flex; flex-direction: column; gap: 1.1rem; }
.about-text p { color: var(--color-text-2); font-size: 0.975rem; }
.about-text strong { color: var(--color-text); font-weight: 600; }
.about-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.pill {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 0.25rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-2);
  transition: border-color var(--transition), color var(--transition);
}
.pill:hover { border-color: var(--color-primary); color: var(--color-primary); }

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-self: start;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.stat-icon { color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }
.stat-value {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
}
.stat-label { font-size: 0.78rem; color: var(--color-text-3); margin-top: 0.15rem; }

/* ---- SKILLS ---- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}
.skill-group-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}
.skill-list { display: flex; flex-direction: column; gap: 0.75rem; }
.skill-item { display: flex; align-items: center; gap: 0.85rem; }
.skill-name { font-size: 0.87rem; font-weight: 600; width: 90px; flex-shrink: 0; }
.skill-bar {
  flex: 1;
  height: 5px;
  background: var(--color-surface-2);
  border-radius: 100px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-primary-2), var(--color-primary));
  border-radius: 100px;
  transition: width 1.1s cubic-bezier(0.4,0,0.2,1);
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.skill-tags li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 0.22rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-2);
  transition: border-color var(--transition), color var(--transition);
}
.skill-tags li:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---- PROJECTS ---- */
.projects { background: var(--color-bg); }

/* Featured */
.project-featured {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
  align-items: start;
}
.project-featured-info { align-self: start; }
.project-featured-visual { align-self: start; }

.project-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}
.project-title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
}
.project-desc {
  color: var(--color-text-2);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.project-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}
.project-highlights li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  color: var(--color-text-2);
}
.project-highlights li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.75rem;
  top: 2px;
}
.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}
.project-tech span,
.project-card .project-tech span {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: 0.2rem 0.65rem;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--color-text-3);
}
.project-links--mobile-only { display: none; }
.full-source-links { margin-top: 0.5rem; }
.full-source-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-3);
  margin-bottom: 0.6rem;
}
.full-source-btns { display: flex; gap: 0.6rem; flex-wrap: wrap; }

/* Terminal */
.terminal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 56px rgba(0,0,0,0.35);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.65rem 1rem;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
.terminal-title {
  font-size: 0.72rem;
  color: var(--color-text-3);
  font-family: monospace;
  margin-left: 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.terminal-tabs {
  display: flex;
  gap: 2px;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.tab-btn {
  background: none;
  border: none;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-3);
  transition: all var(--transition);
}
.tab-btn.active {
  background: var(--color-primary-glow);
  color: var(--color-primary);
}
.tab-btn:hover:not(.active) { color: var(--color-text-2); }
.terminal-content { overflow: hidden; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel pre {
  padding: 1rem 1.25rem;
  font-size: 0.75rem;
  line-height: 1.65;
  overflow-x: auto;
  max-height: 380px;
  overflow-y: auto;
}
.tab-panel pre code { background: none; padding: 0; font-size: inherit; }

/* Project grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
}
.project-card:hover { border-color: var(--color-primary); transform: translateY(-3px); }
.project-card-icon { color: var(--color-primary); }
.project-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
}
.project-card p { font-size: 0.88rem; color: var(--color-text-2); }
.wip-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: rgba(251,191,36,0.12);
  border: 1px solid rgba(251,191,36,0.3);
  border-radius: 100px;
  padding: 0.18rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-yellow);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---- EDUCATION ---- */
.education { background: var(--color-bg-alt); }
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 9px; top: 6px; bottom: 6px;
  width: 2px;
  background: var(--color-border);
}
.timeline-item { position: relative; padding-bottom: 2.5rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-marker {
  position: absolute;
  left: -2.5rem;
  top: 5px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg-alt);
  box-shadow: 0 0 0 2px var(--color-primary);
}
.timeline-date {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}
.timeline-content h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.timeline-org {
  font-size: 0.84rem;
  color: var(--color-text-3);
  margin-bottom: 0.4rem;
}
.timeline-content p { font-size: 0.88rem; color: var(--color-text-2); }

/* ---- CONTACT ---- */
.contact { background: var(--color-bg); }
.contact-intro {
  color: var(--color-text-2);
  font-size: 1rem;
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: start;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-self: start;
}
.form-label-match {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text-3);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-2);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}
.contact-link:hover { color: var(--color-primary); }
.contact-info .btn { margin-top: 0.5rem; align-self: flex-start; }

.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-3);
}
.contact-form input,
.contact-form textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  resize: vertical;
  transition: border-color var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-msg {
  font-size: 0.84rem;
  color: var(--color-green);
  min-height: 1.2em;
}

/* ---- FOOTER ---- */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
}
.footer-copy { font-size: 0.82rem; color: var(--color-text-3); }
.footer-links { display: flex; gap: 1.25rem; }
.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-3);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-primary); }

/* ---- SCROLL ANIMATIONS ---- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---- CODE PAGES (lex.html, parser.html, vm.html) ---- */
.code-page-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: calc(var(--header-h) + 3rem) 1.5rem 5rem;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2rem;
  transition: gap var(--transition);
}
.back-link:hover { gap: 0.65rem; }
.code-page-title {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}
.code-page-subtitle {
  color: var(--color-text-2);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}
.source-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.source-block-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.65rem 1rem;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}
.source-block-bar .title {
  font-size: 0.78rem;
  color: var(--color-text-3);
  font-family: monospace;
  margin-left: 0.5rem;
}
.source-block pre {
  padding: 1.5rem;
  font-size: 0.8rem;
  line-height: 1.65;
  overflow-x: auto;
}
.source-block pre code { background: none; padding: 0; }

/* ---- RESUME PAGE ---- */
.resume-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: calc(var(--header-h) + 3rem) 1.5rem 5rem;
}
.resume-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.resume-embed {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}
.resume-embed iframe {
  display: block;
  width: 100%;
  height: 80vh;
  border: none;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-code-snippet { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .project-featured { grid-template-columns: 1fr; }
  .project-links--mobile-only { display: flex; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .skills-grid { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr; }
  .section { padding: 4rem 0; }
  .hero-display { font-size: 3rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .hero-inner { padding-top: calc(var(--header-h) + 2rem); }
}