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

:root {
  --bg: #09090b;
  --bg-elevated: #111113;
  --bg-card: #16161a;
  --accent: #7c6aef;
  --accent-bright: #9b8afb;
  --accent-glow: rgba(124, 106, 239, 0.15);
  --accent-glow-strong: rgba(124, 106, 239, 0.25);
  --text: #ededef;
  --text-secondary: #a0a0b0;
  --text-tertiary: #5a5a6e;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

[data-theme="light"] {
  --bg: #f8f8fa;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --accent: #6c5ce7;
  --accent-bright: #5a4bd1;
  --accent-glow: rgba(108, 92, 231, 0.1);
  --accent-glow-strong: rgba(108, 92, 231, 0.15);
  --text: #1a1a2e;
  --text-secondary: #4a4a5e;
  --text-tertiary: #8888a0;
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.14);
}

[data-theme="light"] .noise { opacity: 0.015; }

[data-theme="light"] .nav {
  background: rgba(248, 248, 250, 0.85);
}

[data-theme="light"] .hero-grid { opacity: 0.06; }

[data-theme="light"] .hero-name {
  background: linear-gradient(180deg, #1a1a2e 0%, #3a3a5e 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .card-tags span {
  background: rgba(108, 92, 231, 0.06);
  border-color: rgba(108, 92, 231, 0.1);
}

[data-theme="light"] .card {
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
[data-theme="light"] .card:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

[data-theme="light"] .timeline-dot {
  box-shadow: 0 0 0 3px var(--bg), 0 0 0 4px rgba(108, 92, 231, 0.25);
}

[data-theme="light"] .nav-links.open {
  background: rgba(248, 248, 250, 0.97);
}

[data-theme="light"] .theme-icon--dark { display: none; }
[data-theme="light"] .theme-icon--light { display: block; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.bg-particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
}

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

.noise {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.nav-logo {
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 600;
  color: var(--text); text-decoration: none; letter-spacing: -0.5px;
}
.nav-logo-bracket { color: var(--accent); }
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  color: var(--text-tertiary); text-decoration: none; font-size: 0.8rem;
  font-weight: 500; transition: color var(--transition);
  letter-spacing: 0.3px; text-transform: uppercase;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }

.nav-actions { display: flex; align-items: center; gap: 10px; position: relative; }

.lang-toggle {
  display: flex; align-items: center; justify-content: center;
  height: 36px; padding: 0 12px; border-radius: 100px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.5px; transition: var(--transition);
}
.lang-toggle:hover { color: var(--accent-bright); border-color: var(--accent); background: var(--accent-glow); }

.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  transition: var(--transition); flex-shrink: 0;
}
.theme-toggle:hover { color: var(--accent-bright); border-color: var(--accent); background: var(--accent-glow); }
.theme-icon--light { display: none; }

.gear-toggle {
  display: none;
  align-items: center; justify-content: center;
  position: absolute;
  right: calc(100% + 10px);
  top: 0; bottom: 0; margin: auto 0;
  width: 36px; height: 36px; border-radius: 50%;
  background: transparent; border: 1px solid transparent;
  cursor: pointer;
  padding: 6px;
  opacity: 0.4;
  transition: opacity var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}
.gear-toggle img {
  width: 100%; height: 100%; object-fit: contain;
  display: block;
  pointer-events: none;
}
.gear-toggle.is-revealed {
  display: flex;
  animation: gear-pop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes gear-pop {
  0%   { opacity: 0; transform: scale(0.4) rotate(-180deg); }
  60%  { opacity: 1; transform: scale(1.15) rotate(20deg); }
  100% { opacity: 0.4; transform: scale(1) rotate(0deg); }
}
.gear-toggle:hover {
  opacity: 1;
  border-color: rgba(250, 182, 20, 0.5);
  background: rgba(250, 182, 20, 0.08);
  transform: rotate(90deg);
}
.gear-toggle.is-spinning img {
  animation: gear-spin 1.2s linear infinite;
}
@keyframes gear-spin {
  to { transform: rotate(360deg); }
}
.nav-toggle span {
  display: block; width: 20px; height: 1.5px; background: var(--text);
  margin: 5px 0; transition: var(--transition); border-radius: 1px;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  justify-content: center; text-align: center; overflow: hidden;
  padding: 100px 24px 60px;
}
.hero-grid {
  position: absolute; inset: 0; opacity: 0.04;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, black 20%, transparent 70%);
}
.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(100px); pointer-events: none;
}
.hero-glow--1 {
  width: 600px; height: 400px; top: 10%; left: 50%; transform: translateX(-50%);
  background: var(--accent-glow-strong);
}
.hero-glow--2 {
  width: 300px; height: 300px; bottom: 20%; left: 10%;
  background: rgba(99, 102, 241, 0.08);
}
.hero-glow--3 {
  width: 250px; height: 250px; top: 30%; right: 5%;
  background: rgba(168, 85, 247, 0.06);
}
.hero-content { position: relative; z-index: 1; max-width: 700px; }

.hero-name {
  font-size: clamp(3rem, 8vw, 5.5rem); font-weight: 900;
  letter-spacing: -3px; line-height: 1; margin-bottom: 20px;
  background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.7) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.35rem); color: var(--text-secondary);
  font-weight: 400; margin-bottom: 16px; letter-spacing: -0.2px;
}
.accent { color: var(--accent-bright); -webkit-text-fill-color: var(--accent-bright); }

.hero-meta {
  display: flex; align-items: center; justify-content: center; gap: 20px;
  flex-wrap: wrap; margin-bottom: 12px;
}
.hero-meta-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.82rem; color: var(--text-tertiary);
}
.hero-meta-item svg { color: var(--accent-bright); flex-shrink: 0; opacity: 0.7; }
.hero-meta-sep { opacity: 0.3; margin: 0 2px; }

.hero-meta-item--status {
  display: none;
  color: #fb923c;
  font-weight: 500;
}
.hero-status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #fb923c;
  box-shadow: 0 0 8px rgba(251, 146, 60, 0.5);
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}

.hero-typed {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--text-tertiary); margin-bottom: 12px; height: 24px;
}
.hero-typed-prefix { color: var(--accent-bright); font-weight: 600; }
.hero-typed-text { color: var(--text-secondary); }
.hero-typed-cursor {
  color: var(--accent-bright); font-weight: 300;
  animation: blink 0.8s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-name { position: relative; display: inline-block; }
.hero-name-dot {
  position: absolute; top: 8px; right: -20px;
  cursor: default;
}
.hero-name-dot-inner {
  display: block; width: 10px; height: 10px; border-radius: 50%;

  background: #fb923c;
  box-shadow: 0 0 10px rgba(251, 146, 60, 0.5);
  animation: pulse-dot 2s ease-in-out infinite;
  opacity: 0; transition: opacity var(--transition);
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-name:hover .hero-name-dot-inner { opacity: 1; }
.hero-name-tooltip {
  position: absolute; top: 50%; left: calc(100% + 10px);
  transform: translateY(-50%);
  white-space: nowrap; font-family: var(--font-mono);
  font-size: 0.65rem; font-weight: 500; letter-spacing: 0.3px;

  color: #fb923c; background: var(--bg-card);
  border: 1px solid rgba(251, 146, 60, 0.2);
  padding: 4px 10px; border-radius: 100px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
  -webkit-text-fill-color: #fb923c;
}
.hero-name:hover .hero-name-tooltip { opacity: 1; }

.hero-scroll-wrap { display: flex; justify-content: center; }
.hero-scroll {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border); color: var(--text-tertiary);
  text-decoration: none; transition: var(--transition);
  animation: float 3s ease-in-out infinite;
}
.hero-scroll:hover { border-color: var(--accent); color: var(--accent-bright); }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.section { padding: 130px 0; }
#contact { padding-bottom: 180px; }
.section-header { margin-bottom: 56px; }
.section-tag {
  display: block; font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--accent-bright); font-weight: 500; margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800;
  letter-spacing: -0.5px; line-height: 1.2;
}

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--accent-bright), rgba(124, 106, 239, 0.1));
  border-radius: 3px 0 0 3px;
  opacity: 0; transition: opacity var(--transition);
}
.card::after {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 16px;
  background: linear-gradient(90deg, var(--accent-glow), transparent);
  pointer-events: none;
  opacity: 0; transition: opacity var(--transition);
}
.card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 0 1px var(--border-hover), 0 8px 40px rgba(0,0,0,0.3);
}
.card:hover::before,
.card:hover::after { opacity: 1; }

.employer-card::before,
.employer-card::after { opacity: 1; }

.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.card-tags span {
  font-size: 0.7rem; font-weight: 500; color: var(--accent-bright);
  padding: 4px 10px; border-radius: 100px;
  background: rgba(124, 106, 239, 0.08); border: 1px solid rgba(124, 106, 239, 0.12);
  letter-spacing: 0.2px; white-space: nowrap;
}

.about-layout {
  display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center;
}
.about-content { max-width: 720px; }
.about-text {
  font-size: 1.05rem; line-height: 1.85; color: var(--text-secondary);
  margin-bottom: 16px;
}
.about-text:last-child { margin-bottom: 0; }
.about-text strong { color: var(--text); font-weight: 600; }

.about-photo {
  position: relative; perspective: 600px;
}
.about-photo::before {
  content: ''; position: absolute;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 180px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow-strong) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  animation: halo-beat 3s ease-in-out infinite;
}
@keyframes halo-beat {
  0%, 100% { opacity: 0.4; transform: translate(-50%, -50%) scale(1); }
  14% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.08); }
  28% { opacity: 0.4; transform: translate(-50%, -50%) scale(1); }
  42% { opacity: 0.7; transform: translate(-50%, -50%) scale(1.05); }
  56% { opacity: 0.4; transform: translate(-50%, -50%) scale(1); }
}

.about-photo-inner {
  width: 200px; height: 240px;
  position: relative; overflow: hidden; z-index: 1;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.about-photo:hover .about-photo-inner {
  transform: rotateY(-4deg) rotateX(2deg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35), 0 0 30px rgba(124, 106, 239, 0.08);
}

[data-theme="light"] .about-photo-inner {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .about-photo:hover .about-photo-inner {
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.15);
}
.about-photo-inner img {
  width: 100%; height: 100%; object-fit: cover;
}
.about-photo-placeholder {
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
  background: var(--bg-card); color: var(--text-tertiary);
}

.skills-grid {
  column-count: 3; column-gap: 40px;
}
.skill-group {
  break-inside: avoid; margin-bottom: 32px;
}
.skill-group-title {
  font-size: 0.72rem; font-weight: 700; color: var(--accent-bright);
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 14px;
  font-family: var(--font-mono);
  padding-bottom: 10px; border-bottom: 1px solid var(--border);
}
.skill-list { display: flex; flex-direction: column; gap: 10px; }
.skill-row {
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 12px;
  transition: color var(--transition);
}
.skill-name {
  font-size: 0.8rem; color: var(--text-secondary); font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: color var(--transition);
}
.skill-row:hover .skill-name { color: var(--accent-bright); }
.skill-bar {
  display: flex; gap: 2px; flex-shrink: 0;
}
.skill-seg {
  width: 3px; height: 14px; border-radius: 1px;
  background: var(--border);
  transition: background var(--transition);
}
.skill-seg.filled {
  background: var(--accent-bright);
  opacity: 0.5;
}
.skill-row:hover .skill-seg.filled {
  opacity: 1;
}

.achievements-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.achievement-card { padding: 28px; position: relative; overflow: hidden; }
.achievement-card:hover { transform: translateY(-2px); }
.achievement-num {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  color: var(--accent); opacity: 0.5; letter-spacing: 0.5px;
  display: block; margin-bottom: 12px;
}
.achievement-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.achievement-card p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.65; }

.timeline { position: relative; }
.timeline-item { position: relative; padding-left: 28px; padding-bottom: 32px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-line {
  position: absolute; left: 4px; top: 12px; bottom: 0;
  width: 1px; background: var(--border);
}
.timeline-item:last-child .timeline-line { display: none; }
.timeline-dot {
  position: absolute; left: 0; top: 6px; width: 9px; height: 9px;
  border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 3px var(--bg), 0 0 0 4px rgba(124, 106, 239, 0.3);
  z-index: 1;
}
.timeline-meta {
  display: flex; align-items: center; gap: 12px; margin-bottom: 10px; flex-wrap: wrap;
}
.timeline-date {
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-tertiary);
  font-weight: 500; letter-spacing: 0.3px;
}
.timeline-flag { font-size: 0.8rem; color: var(--text-tertiary); }

.employer-block { display: flex; flex-direction: column; }

.employer-card {
  padding-left: 28px !important;
}
.employer-badge {
  display: inline-block; font-family: var(--font-mono); font-size: 0.6rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px;
  color: var(--accent-bright); background: rgba(124, 106, 239, 0.1);
  border: 1px solid rgba(124, 106, 239, 0.2);
  padding: 3px 10px; border-radius: 100px; margin-bottom: 14px;
}
.mission-badge {
  display: inline-block; font-family: var(--font-mono); font-size: 0.6rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px;
  color: var(--text-tertiary); background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 100px; margin-bottom: 14px;
}

.missions-wrap {
  margin-top: 16px; padding-left: 16px;
  border-left: 1px dashed rgba(124, 106, 239, 0.2);
}
.missions-label {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.8px;
  color: var(--text-tertiary); margin-bottom: 12px; padding-left: 4px;
}
.missions-list { display: flex; flex-direction: column; gap: 12px; }
.mission-card {
  padding-left: 28px !important;
}
.mission-flags {
  font-size: 0.75rem; color: var(--text-tertiary); margin-bottom: 8px;
}

.timeline-card { padding: 24px; position: relative; }
.timeline-header { margin-bottom: 12px; display: flex; justify-content: space-between; align-items: flex-start; }
.timeline-role { font-size: 1rem; font-weight: 700; line-height: 1.3; padding-right: 90px; }
.timeline-company {
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-bright);
  font-weight: 500; margin-top: 2px;
}
.timeline-logo {
  position: absolute; top: 20px; right: 20px;
  width: 72px; height: 28px;
  opacity: 0.35;
  transition: opacity var(--transition);
}
.timeline-logo img {
  width: 100%; height: 100%; object-fit: contain;
  filter: grayscale(1) brightness(3) contrast(0.8);
  transition: filter var(--transition);
}
[data-theme="light"] .timeline-logo img {
  filter: grayscale(1) brightness(0.4);
}
.timeline-card:hover .timeline-logo { opacity: 0.6; }
.timeline-card:hover .timeline-logo img { filter: none; }
.timeline-desc { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.65; }
.timeline-tasks { list-style: none; margin-bottom: 4px; }
.timeline-tasks li {
  font-size: 0.82rem; color: var(--text-secondary); padding: 4px 0 4px 18px;
  position: relative; line-height: 1.65;
}
.timeline-tasks li::before {
  content: ''; position: absolute; left: 0; top: 12px;
  width: 5px; height: 1px; background: var(--accent); opacity: 0.6;
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.cert-card {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 28px;
}
.cert-visual {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.cert-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.cert-name {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}
.cert-level {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-bright);
  margin-bottom: 6px;
}
.cert-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.cert-year {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--accent-bright);
  letter-spacing: 0.5px;
  padding: 2px 10px;
  border-radius: 100px;
  background: rgba(124, 106, 239, 0.1);
  border: 1px solid rgba(124, 106, 239, 0.2);
}
.cert-verify {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--transition);
}
.cert-verify svg { color: #4ade80; }
.cert-verify:hover { color: var(--accent-bright); }

.edu-grid { display: flex; flex-direction: column; gap: 12px; }
.edu-card { display: flex; align-items: center; gap: 24px; padding: 24px; position: relative; }
.edu-logo {
  position: absolute; top: 50%; right: 20px; transform: translateY(-50%);
  width: 72px; height: 28px;
  opacity: 0.35; transition: opacity var(--transition);
}
.edu-logo img {
  width: 100%; height: 100%; object-fit: contain;
  filter: grayscale(1) brightness(3) contrast(0.8);
  transition: filter var(--transition);
}
[data-theme="light"] .edu-logo img {
  filter: grayscale(1) brightness(0.4);
}
.edu-card:hover .edu-logo { opacity: 0.6; }
.edu-card:hover .edu-logo img { filter: none; }
.edu-year {
  font-family: var(--font-mono); font-size: 1.5rem; font-weight: 800;
  color: var(--text-tertiary); flex-shrink: 0; min-width: 56px; text-align: center;
  opacity: 0.5;
}
.edu-info h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 2px; line-height: 1.3; }
.edu-field { font-size: 0.82rem; color: var(--accent-bright); font-weight: 500; margin-bottom: 4px; }
.edu-info p { font-size: 0.82rem; color: var(--text-secondary); }

.other-list { position: relative; padding-left: 28px; }
.other-row { position: relative; padding-bottom: 32px; display: grid; grid-template-columns: auto 1fr; gap: 0 16px; }
.other-row:last-child { padding-bottom: 0; }
.other-row::before {
  content: ''; position: absolute; left: -24px; top: 12px; bottom: 0;
  width: 1px; background: var(--border);
}
.other-row:last-child::before { display: none; }
.other-dot {
  position: absolute; left: -28px; top: 4px; width: 9px; height: 9px;
  border-radius: 50%; background: var(--text-tertiary); opacity: 0.4;
  box-shadow: 0 0 0 3px var(--bg); z-index: 1;
}
.other-period {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-tertiary);
  font-weight: 500; letter-spacing: 0.3px; white-space: nowrap; padding-top: 1px;
  grid-column: 1; grid-row: 1;
}
.other-body { grid-column: 2; grid-row: 1 / 3; }
.other-body h3 { font-size: 0.92rem; font-weight: 700; margin-bottom: 2px; line-height: 1.3; }
.other-role { font-size: 0.8rem; color: var(--accent-bright); font-weight: 500; margin-bottom: 8px; }
.other-body p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.65; }
.other-tasks { list-style: none; margin-top: 8px; }
.other-tasks li {
  font-size: 0.82rem; color: var(--text-secondary); padding: 3px 0 3px 18px;
  position: relative; line-height: 1.65;
}
.other-tasks li::before {
  content: ''; position: absolute; left: 0; top: 12px;
  width: 5px; height: 1px; background: var(--accent); opacity: 0.6;
}

.contact-layout {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start;
}
.contact-info { padding-top: 8px; }
.contact-intro {
  font-size: 1.05rem; color: var(--text-secondary); line-height: 1.8;
  margin-bottom: 32px;
}
.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.contact-detail { display: flex; align-items: flex-start; gap: 14px; }
.contact-detail-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm); flex-shrink: 0;
  background: rgba(124, 106, 239, 0.08); border: 1px solid rgba(124, 106, 239, 0.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-bright);
}
.contact-detail-label {
  display: block; font-size: 0.7rem; font-weight: 600; color: var(--text-tertiary);
  text-transform: uppercase; letter-spacing: 0.5px; font-family: var(--font-mono);
  margin-bottom: 2px;
}
.contact-detail-value { display: block; font-size: 0.88rem; color: var(--text); font-weight: 500; }
.contact-detail-value--orange { color: #fb923c; }

.contact-socials {
  display: flex; gap: 10px; margin-top: 28px;
  padding-top: 24px; border-top: 1px solid var(--border);
}
.contact-social {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--radius-sm);
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-secondary); text-decoration: none;
  font-size: 0.78rem; font-weight: 500;
  transition: var(--transition);
}
.contact-social:hover {
  color: var(--accent-bright); border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.contact-social svg { flex-shrink: 0; }

.contact-form-wrap { position: relative; }
.contact-form {
  padding: 32px; position: relative;
  background: var(--bg-card);
  border: 1px solid transparent;
  background-clip: padding-box;
}
.contact-form-wrap::before {
  content: ''; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px;
  background: linear-gradient(135deg, rgba(124, 106, 239, 0.3), rgba(124, 106, 239, 0.05), rgba(168, 85, 247, 0.2));
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude; -webkit-mask-composite: xor;
  pointer-events: none; z-index: 1;
}
.contact-form:hover { transform: none; box-shadow: none; }

.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

.form-group { margin-bottom: 16px; }
.form-group:last-of-type { margin-bottom: 24px; }
.form-input-wrap {
  position: relative; display: flex; align-items: center;
}
.form-input-icon {
  position: absolute; left: 14px; top: 18px;
  color: var(--text-tertiary); pointer-events: none;
  transition: color var(--transition); z-index: 2;
}
.form-input-wrap input,
.form-input-wrap textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 22px 14px 10px 42px;
  font-family: var(--font); font-size: 0.88rem; color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input-wrap input { resize: none; }
.form-input-wrap textarea {
  resize: vertical;
  min-height: 120px;
  padding-top: 26px;
}
.form-input-wrap label {
  position: absolute; left: 42px; top: 17px;
  font-size: 0.85rem; color: var(--text-tertiary); pointer-events: none;
  transition: all 0.2s ease; transform-origin: left top;
}

.form-input-wrap input:focus + label,
.form-input-wrap input:not(:placeholder-shown) + label {
  top: 6px; font-size: 0.62rem;
  color: var(--accent-bright); font-weight: 600;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.form-input-wrap textarea:focus + label,
.form-input-wrap textarea:not(:placeholder-shown) + label {
  top: 8px; font-size: 0.62rem;
  color: var(--accent-bright); font-weight: 600;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.form-input-wrap input:focus,
.form-input-wrap textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input-wrap:has(input:focus) .form-input-icon,
.form-input-wrap:has(textarea:focus) .form-input-icon {
  color: var(--accent-bright);
}
.form-input-wrap input.invalid,
.form-input-wrap textarea.invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-actions { display: flex; align-items: center; gap: 16px; }
.form-submit {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 28px; border-radius: var(--radius-sm);
  background: var(--accent); border: none; color: #fff;
  font-family: var(--font); font-size: 0.85rem; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  letter-spacing: 0.2px;
}
.form-submit:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow-strong);
}
.form-submit:active { transform: translateY(0); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }
.form-submit-arrow { transition: transform var(--transition); }
.form-submit:hover .form-submit-arrow { transform: translateX(3px); }
.form-submit-loading svg { animation: spin 1s linear infinite; }
.form-submit--outline {
  background: transparent; border: 1px solid var(--border); color: var(--text-secondary);
  margin-top: 20px;
}
.form-submit--outline:hover {
  border-color: var(--accent); color: var(--accent-bright);
  background: var(--accent-glow); box-shadow: none;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.contact-success {
  padding: 48px 32px; text-align: center;
  animation: fadeScale 0.4s ease;
}
.contact-success-icon {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 20px;
  background: rgba(74, 222, 128, 0.08); border: 1px solid rgba(74, 222, 128, 0.2);
  display: flex; align-items: center; justify-content: center;
  color: #4ade80;
}
.contact-success h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.contact-success p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; max-width: 400px; margin: 0 auto; }
@keyframes fadeScale {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.contact-error { margin-top: 16px; }
.form-feedback {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: 0.82rem; line-height: 1.5;
  animation: fadeScale 0.3s ease;
}
.form-feedback.error {
  background: rgba(239, 68, 68, 0.08); border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
}

[data-theme="light"] .form-input-wrap input,
[data-theme="light"] .form-input-wrap textarea {
  background: var(--bg);
}
[data-theme="light"] .contact-success-icon {
  background: rgba(22, 163, 74, 0.06); border-color: rgba(22, 163, 74, 0.15);
  color: #16a34a;
}

.footer {
  position: relative; padding: 130px 0;
  border-top: 1px solid var(--border); overflow: hidden;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
}
[data-theme="light"] .footer {
  background: rgba(248, 248, 250, 0.85);
}
.footer-glow {
  position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 500px; height: 250px; border-radius: 50%;
  background: var(--accent-glow-strong); filter: blur(100px);
  pointer-events: none;
}
.footer::after {
  content: ''; position: absolute; bottom: -40px; left: 30%;
  width: 300px; height: 200px; border-radius: 50%;
  background: rgba(168, 85, 247, 0.08); filter: blur(80px);
  pointer-events: none;
}
.footer-grid {
  position: absolute; inset: 0; opacity: 0.04;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 90% at 50% 20%, black 10%, transparent 60%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 20%, black 10%, transparent 60%);
  pointer-events: none;
}
.footer-inner {
  display: flex; flex-direction: column; align-items: center; gap: 24px;
  position: relative; z-index: 1;
}
.footer-logo-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.footer-logo {
  font-family: var(--font-mono); font-size: 2rem; font-weight: 700;
  color: var(--text); letter-spacing: -0.5px;
  cursor: pointer; user-select: none;
  transition: color var(--transition), text-shadow var(--transition);
  position: relative; z-index: 1;
}
.footer-logo-wrap:hover .footer-logo {
  color: var(--accent-bright);
  text-shadow: 0 0 24px var(--accent-glow-strong);
}
.footer-tagline {
  font-size: 0.78rem; color: var(--text-tertiary); font-weight: 400;
  letter-spacing: 0.3px;
}
.footer-links { display: flex; gap: 28px; }
.footer-links a {
  color: var(--text-tertiary); text-decoration: none; font-size: 0.78rem;
  font-weight: 500; transition: color var(--transition); letter-spacing: 0.2px;
}
.footer-links a:hover { color: var(--accent-bright); }
.footer-divider { width: 60px; height: 1px; background: var(--border); }
.footer-bottom { text-align: center; }
.footer-text {
  font-size: 0.72rem; color: var(--text-tertiary); line-height: 1.6;
}
.footer-text--dim { opacity: 0.5; margin-top: 4px; }

.cloud-flyer {
  position: fixed; z-index: 9998; pointer-events: none;
  color: var(--accent-bright);
  filter: drop-shadow(0 0 12px var(--accent-glow-strong));
}
.cloud-flyer svg { display: block; }

.cloud-particle {
  position: fixed; z-index: 9997; pointer-events: none;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  color: var(--accent-bright);
}

.timeline-item--bonus { animation: bonus-reveal 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
@keyframes bonus-reveal {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
.timeline-dot--bonus {
  background: #FAB614 !important;
  box-shadow: 0 0 0 3px var(--bg), 0 0 0 4px rgba(250, 182, 20, 0.4), 0 0 12px rgba(250, 182, 20, 0.5) !important;
}
.bonus-card {
  border: 1px solid rgba(250, 182, 20, 0.2) !important;
  background: linear-gradient(135deg, var(--bg-card), rgba(250, 182, 20, 0.02));
}

.bonus-card::before {
  background: linear-gradient(180deg, #FAB614, rgba(250, 182, 20, 0.15)) !important;
  opacity: 1 !important;
}
.bonus-card::after {
  background: linear-gradient(90deg, rgba(250, 182, 20, 0.18), transparent) !important;
  opacity: 1 !important;
}
.bonus-card:hover {
  border-color: rgba(250, 182, 20, 0.4) !important;
  box-shadow: 0 0 0 1px rgba(250, 182, 20, 0.2), 0 8px 40px rgba(250, 182, 20, 0.08) !important;
}

.bonus-card .timeline-company { color: #FAB614; }
.bonus-card .timeline-tasks li::before { background: #FAB614; opacity: 0.7; }
.bonus-card .card-tags span {
  color: #FAB614;
  background: rgba(250, 182, 20, 0.08);
  border-color: rgba(250, 182, 20, 0.18);
}
.ee-badge-bonus {
  color: #FAB614 !important;
  background: rgba(250, 182, 20, 0.1) !important;
  border-color: rgba(250, 182, 20, 0.3) !important;
}
.ee-meta-sep { opacity: 0.4; margin: 0 4px; }
.bonus-footer {
  margin-top: 16px; padding-top: 14px;
  border-top: 1px dashed rgba(250, 182, 20, 0.2);
  text-align: center;
}
.ee-quote {
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--text-tertiary); font-style: italic;
}

.ee-flash {
  position: fixed; inset: 0; z-index: 9998;
  background: #FAB614;
  pointer-events: none;
  animation: ee-flash-blink 0.6s ease-out forwards;
}
@keyframes ee-flash-blink {
  0%   { opacity: 0; }
  10%  { opacity: 0.6; }
  20%  { opacity: 0; }
  30%  { opacity: 0.4; }
  40%  { opacity: 0; }
  50%  { opacity: 0.3; }
  100% { opacity: 0; }
}

@keyframes screen-shake {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-2px, -1px); }
  20% { transform: translate(2px, 1px); }
  30% { transform: translate(-3px, 1px); }
  40% { transform: translate(3px, -2px); }
  50% { transform: translate(-2px, 2px); }
  60% { transform: translate(2px, -1px); }
  70% { transform: translate(-1px, -2px); }
  80% { transform: translate(1px, 2px); }
  90% { transform: translate(-1px, 1px); }
}
.shake {
  animation: screen-shake 0.4s ease-in-out;
}

.fade-up {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.stagger > .fade-up:nth-child(1) { transition-delay: 0s; }
.stagger > .fade-up:nth-child(2) { transition-delay: 0.06s; }
.stagger > .fade-up:nth-child(3) { transition-delay: 0.12s; }
.stagger > .fade-up:nth-child(4) { transition-delay: 0.18s; }
.stagger > .fade-up:nth-child(5) { transition-delay: 0.24s; }
.stagger > .fade-up:nth-child(6) { transition-delay: 0.30s; }
.stagger > .fade-up:nth-child(7) { transition-delay: 0.36s; }
.stagger > .fade-up:nth-child(8) { transition-delay: 0.42s; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 60px; left: 0; right: 0; background: rgba(9, 9, 11, 0.95);
    backdrop-filter: blur(24px); padding: 20px 24px; gap: 16px;
    border-bottom: 1px solid var(--border);
  }
  .nav-toggle { display: block; }
}

@media (max-width: 768px) {

  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 60px; left: 0; right: 0; background: rgba(9, 9, 11, 0.95);
    backdrop-filter: blur(24px); padding: 20px 24px; gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .hero-name { letter-spacing: -2px; }
  .hero-meta { flex-direction: column; gap: 8px; }

  .hero-name-dot { display: none; }
  .hero-meta-item--status { display: flex; }

  .about-layout { grid-template-columns: 1fr; gap: 32px; }
  .about-photo { display: flex; justify-content: center; order: -1; }
  .about-photo-inner { width: 140px; height: 140px; }

  .skills-grid { column-count: 2; column-gap: 32px; }

  .achievements-grid { grid-template-columns: 1fr; }

  .edu-card { flex-direction: column; align-items: flex-start; gap: 8px; }
  .edu-year { font-size: 1.1rem; }

  .contact-layout { grid-template-columns: 1fr; gap: 32px; }
  .contact-form { padding: 24px; }
  .contact-success { padding: 32px 20px; }

  .footer { padding: 32px 0 24px; }
  .footer-links { gap: 20px; flex-wrap: wrap; justify-content: center; }

  .section { padding: 72px 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 80px 16px 48px; }
  .achievement-card, .timeline-card { padding: 20px; }

  .skills-grid { column-count: 1; }
  .certs-grid { grid-template-columns: 1fr; }

  .other-row { grid-template-columns: 1fr; gap: 4px; }
  .other-period { grid-column: 1; grid-row: 1; }
  .other-body { grid-column: 1; grid-row: 2; }
}