:root {
  --bg: #060b16;
  --bg-soft: #0e1628;
  --surface: #111d34;
  --surface-2: #15233d;
  --text: #eaf0ff;
  --muted: #a2afd2;
  --primary: #4ea3ff;
  --accent: #71ffd5;
  --ring: rgba(158, 189, 255, 0.22);
  --ring-light: rgba(158, 189, 255, 0.15);
  --shadow: 0 24px 56px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.25);
  --radius: 18px;
  --grid: min(1120px, 92vw);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% -10%, rgba(78, 163, 255, 0.15), transparent 40%),
    radial-gradient(circle at 90% 0%, rgba(113, 255, 213, 0.1), transparent 35%),
    linear-gradient(180deg, #050a12, #060d18 45%, #060b16);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

.background-elements {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(78, 163, 255, 0.5), transparent 70%);
  top: 10%;
  left: 5%;
  animation-delay: 0s;
}

.orb-2 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(113, 255, 213, 0.4), transparent 70%);
  top: 60%;
  right: 10%;
  animation-delay: 2s;
}

.orb-3 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(78, 163, 255, 0.3), transparent 70%);
  bottom: 10%;
  left: 50%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.container { 
  width: var(--grid); 
  margin-inline: auto; 
  position: relative;
  z-index: 1;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 11, 22, 0.6);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--ring-light);
  animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.2px;
  transition: var(--transition);
}

.logo {
  width: 40px;
  height: 40px;
  animation: spin 20s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.brand:hover .logo {
  animation: spin 10s linear infinite;
}

.brand div {
  display: flex;
  flex-direction: column;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  padding: 0.48rem 0.78rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(78, 163, 255, 0.1);
  transition: left 0.3s ease;
}

.nav-link:hover::before {
  left: 100%;
}

.nav-link:hover {
  border-color: var(--ring);
  color: var(--primary);
}

.burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--ring);
  background: rgba(17, 29, 52, 0.5);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: var(--transition);
}

.burger:hover {
  background: rgba(17, 29, 52, 0.8);
  border-color: var(--primary);
}

.burger span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
  transition: var(--transition);
}

/* Main Sections */
section {
  padding: 4rem 0;
  position: relative;
  z-index: 1;
}

.section-header {
  margin-bottom: 2.5rem;
}

.header-underline {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
  margin-top: 1rem;
  animation: expandWidth 0.8s ease-out;
}

@keyframes expandWidth {
  from { width: 0; }
  to { width: 60px; }
}

.kicker, .eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  font-size: 0.8rem;
}

h1 {
  margin: 0.5rem 0 1rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  font-weight: 700;
}

h2 {
  margin: 0.2rem 0 0.9rem;
  font-size: clamp(1.4rem, 2.5vw, 2.05rem);
  font-weight: 700;
}

h3 { 
  margin: 0 0 0.45rem;
  font-weight: 600;
}

.muted { color: var(--muted); }

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.hero-content-wrapper {
  display: grid;
  gap: 1rem;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-cta {
  display: flex;
  gap: 0.65rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.78rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--ring);
  background: transparent;
  color: var(--text);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  z-index: -1;
  transition: left 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #2f83e6);
  color: #fff;
  border: 1px solid transparent;
}

.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(78, 163, 255, 0.3);
  transform: translateY(-2px);
}

.btn-ghost {
  border: 2px solid var(--ring);
}

.btn-ghost:hover {
  border-color: var(--primary);
  background: rgba(78, 163, 255, 0.1);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn i {
  font-size: 0.9rem;
}

.stat-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 0.8rem;
}

.stat {
  display: grid;
  gap: 0.3rem;
  text-align: center;
  padding: 1rem;
}

.stat strong {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat span {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Hero Card */
.hero-card {
  padding: 1rem;
}

.avatar-wrapper {
  position: relative;
  margin-bottom: 1rem;
}

.avatar {
  position: relative;
  border-radius: 14px;
  border: 2px solid var(--ring);
  overflow: hidden;
  background: var(--bg-soft);
  transition: var(--transition);
  aspect-ratio: 1;
}

.avatar:hover {
  border-color: var(--primary);
  box-shadow: 0 0 40px rgba(78, 163, 255, 0.2);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.status-pill {
  position: absolute;
  right: 0.6rem;
  bottom: 0.6rem;
  background: rgba(7, 16, 31, 0.9);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.chips, .contact-links {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  border: 1px solid var(--ring);
  border-radius: 999px;
  padding: 0.35rem 0.62rem;
  background: rgba(78, 163, 255, 0.1);
  font-size: 0.9rem;
  transition: var(--transition);
}

.chip:hover {
  border-color: var(--primary);
  background: rgba(78, 163, 255, 0.2);
  transform: translateY(-2px);
}

/* Glass Effect */
.glass-effect {
  background: rgba(17, 29, 52, 0.5) !important;
  backdrop-filter: blur(10px) !important;
  border: 1px solid rgba(158, 189, 255, 0.15) !important;
}

.glass-effect:hover {
  background: rgba(17, 29, 52, 0.7) !important;
  border-color: rgba(158, 189, 255, 0.3) !important;
}

/* Cards */
.card {
  border: 1px solid var(--ring);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(17, 29, 52, 0.92), rgba(21, 35, 61, 0.65));
  box-shadow: var(--shadow);
  padding: 1rem;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--primary);
  box-shadow: 0 12px 48px rgba(78, 163, 255, 0.15);
  transform: translateY(-4px);
}

/* About Section */
.about-content {
  display: grid;
  gap: 2rem;
}

.lead-text {
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.highlight-box {
  padding: 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.highlight-box i {
  font-size: 2rem;
  color: var(--primary);
  animation: float 3s ease-in-out infinite;
}

.highlight-box h3 {
  color: var(--text);
  margin: 0;
}

.highlight-box p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}

.skill-card {
  display: grid;
  gap: 0.8rem;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
  opacity: 0;
  animation: slideRight 0.8s ease-out forwards;
}

.skill-1::before { animation-delay: 0.1s; }
.skill-2::before { animation-delay: 0.2s; }
.skill-3::before { animation-delay: 0.3s; }
.skill-4::before { animation-delay: 0.4s; }
.skill-5::before { animation-delay: 0.5s; }
.skill-6::before { animation-delay: 0.6s; }

@keyframes slideRight {
  from {
    left: -100%;
    opacity: 1;
  }
  to {
    left: 100%;
    opacity: 0;
  }
}

.skill-icon {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.skill-level {
  height: 4px;
  background: rgba(158, 189, 255, 0.1);
  border-radius: 999px;
  overflow: hidden;
}

.level-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
  animation: fillBar 1.2s ease-out forwards;
  opacity: 0;
}

@keyframes fillBar {
  from {
    width: 0;
    opacity: 1;
  }
  to {
    opacity: 1;
  }
}

.skill-card:nth-child(1) .level-bar { animation-delay: 0.6s; }
.skill-card:nth-child(2) .level-bar { animation-delay: 0.7s; }
.skill-card:nth-child(3) .level-bar { animation-delay: 0.8s; }
.skill-card:nth-child(4) .level-bar { animation-delay: 0.9s; }
.skill-card:nth-child(5) .level-bar { animation-delay: 1s; }
.skill-card:nth-child(6) .level-bar { animation-delay: 1.1s; }

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}

.project-card {
  display: grid;
  gap: 0.45rem;
  animation: cardFloat 3s ease-in-out infinite;
}

.project-card:nth-child(odd) {
  animation-delay: 0s;
}

.project-card:nth-child(even) {
  animation-delay: 0.3s;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.project-meta {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin: 0.4rem 0;
}

.empty {
  margin-top: 1rem;
  border: 2px dashed var(--ring);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Timeline */
.timeline {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent), transparent);
}

.timeline-item {
  position: relative;
  padding-left: 1.5rem;
}

.timeline-marker {
  position: absolute;
  left: -2.25rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border: 2px solid var(--bg);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.timeline-content h3 {
  margin: 0 0 0.2rem;
}

.timeline-date {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.timeline-content ul {
  margin: 0.8rem 0 0;
  padding-left: 1.5rem;
  color: var(--muted);
}

.timeline-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

/* Contact Section */
.contact-subtitle {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  justify-content: start;
}

.contact-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.2rem;
  border: 1px solid var(--ring);
  border-radius: var(--radius);
  background: rgba(17, 29, 52, 0.5);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  font-weight: 600;
  font-size: 0.95rem;
}

.contact-chip:hover {
  border-color: var(--primary);
  background: rgba(78, 163, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(78, 163, 255, 0.2);
}

.contact-chip i {
  font-size: 1.8rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Footer */
footer {
  margin-top: 1rem;
  border-top: 1px solid var(--ring);
  color: var(--muted);
  padding: 2rem 0 2.5rem;
  position: relative;
  z-index: 1;
}

.footer-content {
  text-align: center;
}

.footer-credit {
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.footer-credit i {
  color: #ff6b9d;
  animation: heartbeat 1.2s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

/* Animations */
.section-animate,
.slide-in-left,
.slide-in-right {
  opacity: 0;
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.slide-in-left { transform: translateX(-48px); }
.slide-in-right { transform: translateX(48px); }
.in-view { opacity: 1; transform: translateX(0); }
.out-view.slide-in-left { opacity: 0.06; transform: translateX(-48px); }
.out-view.slide-in-right { opacity: 0.06; transform: translateX(48px); }

.bounce {
  animation: avatar-bounce 2s ease-in-out infinite;
}

@keyframes avatar-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  nav ul { display: none; }
  .burger { display: flex; align-items: center; justify-content: center; }
  .contact-links { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  section { padding: 3.2rem 0; }
  .stat-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 1.5rem; }
  .contact-links { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
  .section-animate,
  .slide-in-left,
  .slide-in-right {
    opacity: 1;
    transform: none;
  }
}