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

:root {
  --navy:       #0a0f1e;
  --navy-mid:   #111827;
  --navy-card:  #161f35;
  --navy-light: #1e2d4a;
  --blue:       #2563eb;
  --blue-light: #3b82f6;
  --blue-glow:  #60a5fa;
  --cyan:       #06b6d4;
  --green:      #10b981;
  --amber:      #f59e0b;
  --red:        #ef4444;
  --white:      #ffffff;
  --gray-100:   #f3f4f6;
  --gray-200:   #e5e7eb;
  --gray-400:   #9ca3af;
  --gray-600:   #4b5563;
  --text:       #e2e8f0;
  --text-muted: #94a3b8;
  --section-bg: #0d1526;
  --section-alt:#111827;
  --border:     rgba(255,255,255,0.08);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.5);
  --radius:     12px;
  --radius-lg:  20px;
  --font:       'Inter', sans-serif;
  --mono:       'JetBrains Mono', monospace;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--navy);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  background: var(--section-bg);
}
.section-dark {
  background: var(--section-alt);
}

/* ═══════════════════════════════════════════════════════════
   SECTION HEADERS
═══════════════════════════════════════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--blue-light);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 2px;
  margin: 12px auto 0;
}

/* ═══════════════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(10,15,30,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}
.logo-bracket { color: var(--blue-light); }

.nav-links {
  display: flex;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.07);
}

.btn-resume {
  flex-shrink: 0;
  padding: 8px 18px;
  background: var(--blue);
  color: var(--white);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.btn-resume:hover { background: var(--blue-light); transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ═══════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #050b1a 0%, #0a1628 50%, #0d1f3c 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 100px 24px 60px;
  max-width: 860px;
  margin: 0 auto;
}
.hero-photo-wrap {
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}
.hero-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--blue-light);
  box-shadow: 0 0 0 6px rgba(37,99,235,0.15), 0 0 40px rgba(37,99,235,0.35);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hero-photo:hover {
  transform: scale(1.05);
  box-shadow: 0 0 0 8px rgba(37,99,235,0.2), 0 0 60px rgba(37,99,235,0.5);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--green);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 28px;
  animation: fadeInDown 0.8s ease both;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-name {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s 0.1s ease both;
}
.hero-name-accent {
  background: linear-gradient(135deg, var(--blue-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-wrap {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 16px;
  min-height: 2em;
  animation: fadeInUp 0.8s 0.2s ease both;
}
.hero-typewriter {
  color: var(--blue-glow);
  font-family: var(--mono);
  font-weight: 600;
  border-right: 2px solid var(--blue-glow);
  padding-right: 2px;
  animation: blink 0.8s infinite;
}
@keyframes blink { 50% { border-color: transparent; } }

.hero-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  animation: fadeInUp 0.8s 0.3s ease both;
}
.hero-gpa {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--blue-glow);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.4s ease both;
}
.stat-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 24px;
  min-width: 120px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.stat-card:hover {
  background: rgba(37,99,235,0.15);
  border-color: var(--blue);
  transform: translateY(-4px);
}
.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  font-family: var(--mono);
  line-height: 1;
}
.stat-suffix {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blue-light);
}
.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.5s ease both;
}
.btn-primary {
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: var(--white);
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,99,235,0.5);
}
.btn-secondary {
  padding: 14px 32px;
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

.hero-socials {
  display: flex;
  justify-content: center;
  gap: 16px;
  animation: fadeInUp 0.8s 0.6s ease both;
}
.hero-socials a {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.hero-socials a:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  transform: translateY(-3px);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeIn 1s 1.5s ease both;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: bounce-arrow 1.5s infinite;
}
@keyframes bounce-arrow {
  0%,100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(5px); }
}

/* ═══════════════════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: start;
}
.about-lead {
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.8;
}
.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}
.about-text strong { color: var(--white); }

.about-highlights {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.highlight-item:hover {
  background: rgba(37,99,235,0.08);
  border-color: rgba(37,99,235,0.3);
}
.highlight-item i {
  font-size: 1.2rem;
  color: var(--blue-light);
  margin-top: 2px;
  flex-shrink: 0;
}
.highlight-item strong {
  display: block;
  color: var(--white);
  font-size: 0.92rem;
  margin-bottom: 2px;
}
.highlight-item span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.about-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: sticky;
  top: 90px;
}
.about-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.about-avatar {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: var(--white);
  flex-shrink: 0;
  overflow: hidden;
  border: 3px solid var(--blue-light);
  box-shadow: 0 0 20px rgba(37,99,235,0.4);
}
.about-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-card-name { font-weight: 700; color: var(--white); font-size: 0.95rem; }
.about-card-role { font-size: 0.8rem; color: var(--blue-light); margin-top: 2px; }

.about-card-items { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.card-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.85rem; color: var(--text-muted);
}
.card-item i { color: var(--blue-light); width: 16px; flex-shrink: 0; }

.about-card-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.about-card-tags span {
  padding: 3px 10px;
  background: rgba(37,99,235,0.15);
  border: 1px solid rgba(37,99,235,0.3);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--blue-glow);
}

/* ═══════════════════════════════════════════════════════════
   SKILLS
═══════════════════════════════════════════════════════════ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.skill-category {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.skill-category:hover {
  border-color: rgba(37,99,235,0.4);
  transform: translateY(-2px);
}
.skill-cat-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
}
.skill-cat-header i {
  width: 36px; height: 36px;
  background: rgba(37,99,235,0.15);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-light);
  font-size: 0.95rem;
}
.skill-cat-header h3 {
  font-size: 1rem; font-weight: 700; color: var(--white);
}

.skill-bars { display: flex; flex-direction: column; gap: 14px; }
.skill-bar-item {}
.skill-bar-label {
  display: flex; justify-content: space-between;
  font-size: 0.85rem; margin-bottom: 6px;
}
.skill-bar-label span:first-child { color: var(--text); font-weight: 500; }
.skill-bar-label span:last-child { color: var(--text-muted); font-size: 0.78rem; }
.skill-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 3px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}

.skill-tags-wrap { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  padding: 5px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.skill-tag:hover { background: rgba(37,99,235,0.15); border-color: var(--blue); color: var(--white); }
.skill-tag-hot {
  background: rgba(37,99,235,0.12);
  border-color: rgba(37,99,235,0.35);
  color: var(--blue-glow);
}

.radar-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
  padding: 40px;
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.radar-legend h4 { font-size: 1.1rem; color: var(--white); margin-bottom: 12px; }
.radar-legend p { font-size: 0.85rem; color: var(--text-muted); max-width: 280px; line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════
   TIMELINE / EXPERIENCE
═══════════════════════════════════════════════════════════ */
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 10px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--blue), var(--cyan), transparent);
}
.timeline-item {
  position: relative;
  margin-bottom: 36px;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}
.timeline-dot {
  position: absolute;
  left: -28px; top: 20px;
  width: 14px; height: 14px;
  background: var(--blue);
  border: 3px solid var(--section-bg);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(37,99,235,0.6);
}
.timeline-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.timeline-card:hover {
  border-color: rgba(37,99,235,0.4);
  transform: translateX(4px);
}
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.timeline-role {
  font-size: 1.05rem; font-weight: 700; color: var(--white); margin-bottom: 4px;
}
.timeline-company {
  font-size: 0.85rem; color: var(--blue-light);
  display: flex; align-items: center; gap: 6px;
}
.timeline-date {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
}
.timeline-tags {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px;
}
.timeline-tags span {
  padding: 3px 10px;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.25);
  border-radius: 100px;
  font-size: 0.72rem;
  color: var(--cyan);
}
.timeline-bullets { padding-left: 0; }
.timeline-bullets li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}
.timeline-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--blue-light);
  font-size: 0.75rem;
  top: 2px;
}
.timeline-bullets li strong { color: var(--white); }

/* ═══════════════════════════════════════════════════════════
   PROJECTS
═══════════════════════════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.project-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.project-card:hover {
  border-color: rgba(37,99,235,0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.project-card-featured {
  border-color: rgba(37,99,235,0.3);
  background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(6,182,212,0.04));
}
.project-card-nsf {
  border-color: rgba(245,158,11,0.3);
  background: linear-gradient(135deg, rgba(245,158,11,0.06), rgba(16,185,129,0.04));
}
.project-card-top {
  display: flex; justify-content: space-between; align-items: center;
}
.project-icon {
  width: 44px; height: 44px;
  background: rgba(37,99,235,0.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--blue-light);
}
.project-card-nsf .project-icon {
  background: rgba(245,158,11,0.15);
  color: var(--amber);
}
.project-links { display: flex; gap: 8px; }
.project-links a {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}
.project-links a:hover { background: var(--blue); border-color: var(--blue); color: var(--white); }

.project-badge {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--blue-light);
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.25);
  padding: 3px 10px;
  border-radius: 100px;
  display: inline-block;
  width: fit-content;
}
.project-badge-nsf {
  color: var(--amber);
  background: rgba(245,158,11,0.12);
  border-color: rgba(245,158,11,0.3);
}

.project-title {
  font-size: 1rem; font-weight: 700; color: var(--white); line-height: 1.4;
}
.project-desc {
  font-size: 0.85rem; color: var(--text-muted); line-height: 1.65;
}
.project-metrics {
  display: flex; gap: 16px; flex-wrap: wrap;
  padding: 14px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius);
}
.metric { text-align: center; }
.metric-val {
  display: block;
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cyan);
}
.metric-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.project-tags span {
  padding: 3px 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.projects-cta { text-align: center; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--blue);
  color: var(--white);
  background: rgba(37,99,235,0.1);
}

/* ═══════════════════════════════════════════════════════════
   PUBLICATIONS
═══════════════════════════════════════════════════════════ */
.pub-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.pub-item {
  display: flex;
  gap: 24px;
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}
.pub-item:hover {
  border-color: rgba(37,99,235,0.4);
  transform: translateX(4px);
}
.pub-item-submitted {
  border-left: 3px solid var(--amber);
}
.pub-year-badge {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue-light);
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.25);
  border-radius: 8px;
  padding: 6px 12px;
  height: fit-content;
  white-space: nowrap;
  flex-shrink: 0;
}
.pub-content { flex: 1; }
.pub-status {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 8px;
}
.pub-status-published {
  background: rgba(16,185,129,0.12);
  color: var(--green);
  border: 1px solid rgba(16,185,129,0.3);
}
.pub-status-review {
  background: rgba(245,158,11,0.12);
  color: var(--amber);
  border: 1px solid rgba(245,158,11,0.3);
}
.pub-title {
  font-size: 0.95rem; font-weight: 600; color: var(--white);
  margin-bottom: 6px; line-height: 1.5;
}
.pub-authors { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 4px; }
.pub-venue {
  font-size: 0.82rem; color: var(--blue-light);
  display: flex; align-items: center; gap: 6px; margin-bottom: 10px;
}
.pub-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.pub-tags span {
  padding: 2px 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.72rem;
  color: var(--text-muted);
}
.pub-link {
  font-size: 0.82rem;
  color: var(--blue-light);
  display: inline-flex; align-items: center; gap: 5px;
  transition: var(--transition);
}
.pub-link:hover { color: var(--white); }
.pub-cta { text-align: center; }

/* ═══════════════════════════════════════════════════════════
   AWARDS
═══════════════════════════════════════════════════════════ */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.award-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}
.award-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37,99,235,0.4);
}
.award-card-gold {
  border-color: rgba(245,158,11,0.4);
  background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(16,185,129,0.04));
}
.award-card-silver {
  border-color: rgba(148,163,184,0.4);
  background: linear-gradient(135deg, rgba(148,163,184,0.08), transparent);
}
.award-icon {
  width: 52px; height: 52px;
  margin: 0 auto 16px;
  background: rgba(37,99,235,0.15);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--blue-light);
}
.award-card-gold .award-icon { background: rgba(245,158,11,0.15); color: var(--amber); }
.award-card-silver .award-icon { background: rgba(148,163,184,0.15); color: #94a3b8; }
.award-amount {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--amber);
  margin-bottom: 6px;
}
.award-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.award-card p { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 10px; }
.award-org {
  font-size: 0.75rem;
  color: var(--blue-light);
  font-family: var(--mono);
}

/* ═══════════════════════════════════════════════════════════
   EDUCATION
═══════════════════════════════════════════════════════════ */
.edu-cards {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 20px;
}
.edu-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  gap: 16px;
  transition: var(--transition);
}
.edu-card:hover { border-color: rgba(37,99,235,0.4); transform: translateY(-2px); }
.edu-card-primary { border-color: rgba(37,99,235,0.3); }
.edu-icon {
  width: 44px; height: 44px;
  background: rgba(37,99,235,0.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--blue-light);
  flex-shrink: 0;
}
.edu-degree { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.edu-school { font-size: 0.88rem; color: var(--blue-light); margin-bottom: 6px; }
.edu-location { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 4px; display: flex; align-items: center; gap: 5px; }
.edu-gpa { font-size: 0.82rem; color: var(--green); margin-bottom: 4px; display: flex; align-items: center; gap: 5px; }
.edu-date { font-family: var(--mono); font-size: 0.78rem; color: var(--text-muted); margin-bottom: 12px; }
.edu-courses { font-size: 0.78rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 8px; }
.edu-courses strong, .edu-focus strong { color: var(--white); }
.edu-focus { font-size: 0.78rem; color: var(--text-muted); line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 60px;
  align-items: start;
}
.contact-lead {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 32px;
}
.contact-lead strong { color: var(--white); }
.contact-items { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.contact-item {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 18px;
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  color: inherit;
}
.contact-item:hover {
  border-color: var(--blue);
  background: rgba(37,99,235,0.08);
  transform: translateX(4px);
}
.contact-item i {
  font-size: 1.1rem;
  color: var(--blue-light);
  width: 20px;
  flex-shrink: 0;
}
.contact-label { display: block; font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.contact-val { display: block; font-size: 0.9rem; color: var(--white); font-weight: 500; }

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.contact-card {
  position: sticky;
  top: 90px;
}
.contact-card-inner {
  background: var(--navy-card);
  border: 1px solid rgba(37,99,235,0.3);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.contact-card-header {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.contact-avatar {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: var(--white);
  flex-shrink: 0;
}
.contact-card-name { font-weight: 700; color: var(--white); font-size: 0.95rem; }
.contact-card-role { font-size: 0.8rem; color: var(--blue-light); margin-top: 2px; }
.open-to-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.open-to-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.open-to-tags span {
  padding: 5px 12px;
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.3);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--blue-glow);
}
.contact-work-auth {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem;
  color: var(--green);
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--radius);
  padding: 10px 14px;
}
.contact-work-auth i { font-size: 0.9rem; }

/* ═══════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════ */
#footer {
  background: var(--navy);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}
.footer-copy { font-size: 0.82rem; color: var(--text-muted); }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-socials a:hover { background: var(--blue); border-color: var(--blue); color: var(--white); }

/* ═══════════════════════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════════════════════ */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-card { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { position: static; }
  .edu-cards { grid-template-columns: 1fr; }
  .awards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(10,15,30,0.98); padding: 16px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .btn-resume { display: none; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .awards-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 12px; }
  .stat-card { min-width: 100px; padding: 12px 16px; }
  .pub-item { flex-direction: column; gap: 12px; }
  .timeline { padding-left: 20px; }
}
@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .hero-cta { flex-direction: column; align-items: center; }
  .radar-wrap { flex-direction: column; }
}