/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --bg-2: #111118;
  --bg-3: #16161f;
  --surface: #1c1c28;
  --surface-2: #242435;
  --border: rgba(255,255,255,0.07);
  --accent: #6c63ff;
  --accent-light: #8b84ff;
  --accent-glow: rgba(108,99,255,0.25);
  --gold: #f5c842;
  --text: #e8e8f0;
  --text-2: #9898b0;
  --text-3: #5c5c78;
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-accent: 0 8px 32px rgba(108,99,255,0.2);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 99px; }

/* ===== Container ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navbar ===== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition);
}
.nav-logo:hover { transform: scale(1.05); box-shadow: var(--shadow-accent); }

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  padding: 6px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 8px;
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface); }
.nav-links a.active { color: var(--accent-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero ===== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(108,99,255,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 80%, rgba(108,99,255,0.07) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

/* Animated grid overlay */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent, rgba(0,0,0,0.5) 30%, rgba(0,0,0,0.5) 70%, transparent);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}

.hero-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s forwards;
}

.hero-name .accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s forwards;
}

.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}

.btn {
  padding: 13px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
  box-shadow: 0 4px 20px rgba(108,99,255,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,99,255,0.5);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--surface-2);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 32px;
  opacity: 0;
  animation: fadeUp 0.8s 1s forwards;
  flex-wrap: wrap;
  gap: 16px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0 24px;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-3);
  text-align: center;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fadeIn 1s 1.4s forwards;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-3);
  border-bottom: 2px solid var(--text-3);
  transform: rotate(45deg);
  animation: bounce 1.5s infinite;
}

/* ===== Sections ===== */
section { padding: 100px 0; }

section:nth-child(even) { background: var(--bg-2); }

.section-header {
  margin-bottom: 56px;
  text-align: center;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 12px;
}

.section-header h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
}

.accent {
  color: var(--accent-light);
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  color: var(--text-2);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.8;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag {
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.highlight-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.highlight-card:hover {
  border-color: rgba(108,99,255,0.3);
  background: var(--surface-2);
  transform: translateX(4px);
}

.highlight-icon { font-size: 1.5rem; flex-shrink: 0; }

.highlight-card strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.highlight-card p {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.4;
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.timeline-dot {
  position: absolute;
  left: -26px;
  top: 24px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.timeline-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.timeline-card:hover {
  border-color: rgba(108,99,255,0.3);
  box-shadow: var(--shadow-accent);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.company {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

.company-desc {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-bottom: 6px;
}

.role {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-light);
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.timeline-date {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  white-space: nowrap;
}

.timeline-location {
  font-size: 0.75rem;
  color: var(--text-3);
}

.achievements {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.achievements li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.6;
}

.achievement-icon {
  flex-shrink: 0;
  font-size: 1rem;
  margin-top: 1px;
}

.achievements strong {
  color: var(--text);
}

/* ===== Education ===== */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  transition: var(--transition);
}
.edu-card:hover {
  border-color: rgba(108,99,255,0.3);
  box-shadow: var(--shadow-accent);
}

.edu-card.featured {
  border-color: rgba(108,99,255,0.4);
  background: linear-gradient(135deg, var(--surface), rgba(108,99,255,0.05));
}

.edu-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 4px 12px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
  border-radius: 99px;
}

.edu-logo-placeholder {
  display: inline-flex;
  padding: 8px 16px;
  background: var(--bg-3);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--accent-light);
  margin-bottom: 16px;
  border: 1px solid var(--border);
}

.edu-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.edu-school {
  font-size: 0.85rem;
  color: var(--accent-light);
  font-weight: 600;
  margin-bottom: 4px;
}

.edu-year {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 20px;
}

.edu-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.edu-details li {
  font-size: 0.83rem;
  color: var(--text-2);
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}
.edu-details li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

/* ===== Skills ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.skill-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.skill-category:hover {
  border-color: rgba(108,99,255,0.25);
}

.skill-category h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 5px 12px;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 500;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  transition: var(--transition);
}
.chip:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

.chip-lang {
  background: rgba(108,99,255,0.1);
  border-color: rgba(108,99,255,0.3);
  color: var(--accent-light);
}

/* ===== Community ===== */
.community-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 860px;
  margin: 0 auto;
  transition: var(--transition);
}
.community-card:hover {
  border-color: rgba(108,99,255,0.3);
  box-shadow: var(--shadow-accent);
}

.community-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.community-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.community-sub {
  font-size: 0.8rem;
  color: var(--text-3);
}

.community-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.role-badge {
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(245,200,66,0.12);
  border: 1px solid rgba(245,200,66,0.3);
  color: var(--gold);
  border-radius: 99px;
}

/* ===== Contact ===== */
#contact { background: var(--bg-2); }

.contact-intro {
  text-align: center;
  color: var(--text-2);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 860px;
  margin: 0 auto 56px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
a.contact-card:hover {
  border-color: rgba(108,99,255,0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

.contact-icon { font-size: 1.5rem; flex-shrink: 0; }

.contact-card strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.contact-card p {
  font-size: 0.78rem;
  color: var(--text-2);
  line-height: 1.4;
}

.interests {
  text-align: center;
}
.interests-label {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 16px;
  font-style: italic;
}
.interest-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.interest-chip {
  padding: 8px 16px;
  border-radius: 99px;
  font-size: 0.82rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  transition: var(--transition);
}
.interest-chip:hover {
  border-color: rgba(108,99,255,0.3);
  color: var(--text);
}

/* ===== Footer ===== */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(6px); }
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid    { grid-template-columns: 1fr; }
  .edu-grid      { grid-template-columns: 1fr; }
  .skills-grid   { grid-template-columns: repeat(2, 1fr); }
  .contact-links { grid-template-columns: 1fr; }
  .hero-stats    { padding: 20px; }
  .stat          { padding: 0 12px; }
}

@media (max-width: 640px) {
  section         { padding: 72px 0; }
  .nav-links      { display: none; }
  .nav-toggle     { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(10,10,15,0.97);
    backdrop-filter: blur(16px);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .skills-grid    { grid-template-columns: 1fr; }
  .timeline-header { flex-direction: column; }
  .timeline-meta  { align-items: flex-start; }
  .stat-divider   { display: none; }
  .hero-stats     { flex-direction: column; gap: 16px; }
}