:root {
  --bg: #060816;
  --bg-soft: rgba(255,255,255,0.06);
  --bg-card: rgba(10, 16, 35, 0.68);
  --border: rgba(255,255,255,0.12);
  --text: #f3f7ff;
  --muted: #afbdd8;
  --primary: #45caff;
  --secondary: #8f5bff;
  --accent: #18f2c2;
  --danger: #ff7db8;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 22px;
  --radius-sm: 16px;
  --max: 1180px;
  --nav-h: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgba(69, 202, 255, 0.12), transparent 22%),
    radial-gradient(circle at 85% 20%, rgba(143, 91, 255, 0.14), transparent 24%),
    radial-gradient(circle at 50% 75%, rgba(24, 242, 194, 0.08), transparent 26%),
    linear-gradient(180deg, #040611 0%, #070b1a 35%, #03050d 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  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: 42px 42px;
  mask-image: radial-gradient(circle at center, black 48%, transparent 100%);
  pointer-events: none;
  z-index: -2;
}

.orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.35;
  z-index: -1;
  animation: floatOrb 12s ease-in-out infinite;
}
.orb.orb-1 { width: 280px; height: 280px; background: var(--primary); top: 8%; left: -60px; }
.orb.orb-2 { width: 320px; height: 320px; background: var(--secondary); top: 28%; right: -80px; animation-delay: -3s; }
.orb.orb-3 { width: 260px; height: 260px; background: var(--accent); bottom: 4%; left: 18%; animation-delay: -6s; }

@keyframes floatOrb {
  0%, 100% { transform: translateY(0) translateX(0) scale(1); }
  50% { transform: translateY(-24px) translateX(18px) scale(1.05); }
}

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.navbar {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--max), calc(100% - 22px));
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  background: rgba(7, 11, 26, 0.62);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  z-index: 999;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.brand strong {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.96rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.brand span {
  color: var(--muted);
  font-size: 0.78rem;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  padding: 10px 14px;
  border-radius: 999px;
  transition: 0.25s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255,255,255,0.08);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08), 0 0 18px rgba(69, 202, 255, 0.15);
}

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

.lang-switch {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 5px;
  border-radius: 999px;
  gap: 4px;
}
.lang-switch button {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  transition: 0.25s ease;
}
.lang-switch button.active {
  background: linear-gradient(135deg, rgba(69,202,255,0.26), rgba(143,91,255,0.26));
  color: var(--text);
}

.menu-toggle {
  display: none;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  cursor: pointer;
  font-size: 1.1rem;
}

main {
  padding-top: calc(var(--nav-h) + 50px);
}

section {
  padding: 54px 0;
  scroll-margin-top: 110px;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  color: var(--muted);
  margin-bottom: 22px;
  font-size: 0.92rem;
}
.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}

h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2.7rem, 6vw, 5rem);
  line-height: 1.02;
  margin: 0 0 16px;
  letter-spacing: 0.02em;
}
.gradient-text {
  background: linear-gradient(90deg, #ffffff 5%, var(--primary) 45%, #bda7ff 75%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  font-size: clamp(1.05rem, 2vw, 1.38rem);
  color: var(--muted);
  line-height: 1.7;
  max-width: 700px;
  margin-bottom: 20px;
}

.type-wrap {
  margin: 8px 0 26px;
  min-height: 34px;
  font-size: 1rem;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.btn {
  text-decoration: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: 16px;
  color: var(--text);
  font-weight: 700;
  font-size: 0.96rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, rgba(69,202,255,0.24), rgba(143,91,255,0.24));
  border: 1px solid rgba(142, 213, 255, 0.32);
  box-shadow: 0 0 30px rgba(69,202,255,0.16);
}
.btn-secondary {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 750px;
}

.stat-card, .glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 18px;
}
.stat-card strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 8px;
}
.stat-card span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.hero-visual {
  position: relative;
}

.profile-card {
  position: relative;
  padding: 18px;
  overflow: hidden;
}

.profile-card::before {
  content: "";
  position: absolute;
  inset: -40% auto auto -20%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(69,202,255,0.25), transparent 65%);
  pointer-events: none;
}
.profile-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(143,91,255,0.22), transparent 70%);
  pointer-events: none;
}

.profile-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  width: 100%;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(160deg, rgba(69,202,255,0.18), rgba(143,91,255,0.15)),
    rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
}
.profile-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.floating-badge {
  position: absolute;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(7, 11, 26, 0.8);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  animation: floatBadge 5s ease-in-out infinite;
}
.floating-badge strong {
  display: block;
  font-size: 0.98rem;
  margin-bottom: 4px;
}
.floating-badge span {
  font-size: 0.84rem;
  color: var(--muted);
}
.badge-1 { top: 24px; right: -10px; }
.badge-2 { left: -24px; bottom: 70px; animation-delay: -2s; }
@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.section-heading h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  margin: 0 0 10px;
}
.section-heading p {
  margin: 0;
  color: var(--muted);
  max-width: 680px;
  line-height: 1.75;
}

.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 22px;
}

.about-copy,
.info-panel,
.contact-card,
.chatbot-card {
  padding: 24px;
}

.about-copy p,
.contact-card p,
.chatbot-card p,
.project-modal-body p,
.timeline-content p,
.org-card p {
  color: var(--muted);
  line-height: 1.8;
  margin-top: 0;
}

.highlight-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}
.highlight-item {
  display: flex;
  align-items: start;
  gap: 12px;
  padding: 14px 15px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.highlight-item i {
  width: 11px;
  height: 11px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  box-shadow: 0 0 16px rgba(69,202,255,0.5);
  margin-top: 7px;
  flex: 0 0 11px;
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.mini-metric {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
}
.mini-metric strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 10px;
}
.mini-metric span {
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.92rem;
}

.skills-grid,
.projects-grid,
.org-grid,
.contact-links {
  display: grid;
  gap: 18px;
}

.skills-grid {
  grid-template-columns: repeat(2, 1fr);
}

.skill-card,
.project-card,
.org-card,
.contact-link {
  position: relative;
  overflow: hidden;
  transition: 0.3s ease;
}
.skill-card:hover,
.project-card:hover,
.org-card:hover,
.contact-link:hover {
  transform: translateY(-4px);
  border-color: rgba(69,202,255,0.3);
  box-shadow: 0 10px 32px rgba(69,202,255,0.1);
}

.skill-card {
  padding: 22px;
}

.skill-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
}
.skill-top h3,
.project-card h3,
.org-card h3,
.timeline-content h3,
.contact-link strong,
.chat-header strong {
  margin: 0;
  font-size: 1.1rem;
}

.chip-group,
.filter-group,
.project-tools,
.contact-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip,
.filter-btn,
.project-tag {
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
}

.skill-desc,
.project-card p,
.org-meta,
.timeline-meta,
.contact-link span {
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.skill-bar {
  margin-top: 16px;
}
.skill-bar label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}
.bar {
  position: relative;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  overflow: hidden;
}
.bar > span {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  box-shadow: 0 0 20px rgba(69,202,255,0.35);
  width: 0;
  transition: width 1.1s ease;
}

.timeline {
  position: relative;
  padding-left: 26px;
  display: grid;
  gap: 18px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, rgba(69,202,255,0.65), rgba(143,91,255,0.25), rgba(24,242,194,0.5));
}
.timeline-item {
  position: relative;
}
.timeline-item::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: -24px;
  top: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 18px rgba(69,202,255,0.45);
}
.timeline-content {
  padding: 22px;
}
.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 8px 0 14px;
}
.timeline-bullets {
  display: grid;
  gap: 10px;
}
.timeline-bullets div {
  display: flex;
  gap: 10px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}
.timeline-bullets div::before {
  content: "•";
  color: var(--primary);
  font-weight: 800;
}

.filter-group {
  margin-bottom: 18px;
}
.filter-btn {
  cursor: pointer;
  transition: 0.25s ease;
  color: var(--text);
}
.filter-btn.active,
.filter-btn:hover {
  background: linear-gradient(135deg, rgba(69,202,255,0.22), rgba(143,91,255,0.2));
  border-color: rgba(69,202,255,0.3);
}

.projects-grid {
  grid-template-columns: repeat(2, 1fr);
}

.project-card {
  padding: 22px;
  cursor: pointer;
}
.project-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 10px;
}
.project-category {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.org-grid {
  grid-template-columns: repeat(2, 1fr);
}
.org-card {
  padding: 24px;
}
.org-meta {
  margin: 8px 0 16px;
}

.contact-grid {
  align-items: start;
}
.contact-links {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 18px;
}
.contact-link {
  text-decoration: none;
  padding: 18px;
  color: var(--text);
}
.contact-link small {
  display: block;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  font-size: 0.76rem;
}

.chatbot-card {
  min-height: 100%;
}
.chat-window {
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  overflow: hidden;
  margin-top: 16px;
}
.chat-header {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 12px;
}
.chat-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
  flex: 0 0 12px;
}
.chat-messages {
  padding: 18px;
  display: grid;
  gap: 12px;
  min-height: 330px;
  max-height: 330px;
  overflow: auto;
}
.msg {
  max-width: 86%;
  padding: 14px 16px;
  border-radius: 18px;
  line-height: 1.7;
  font-size: 0.94rem;
  color: var(--text);
}
.msg.bot {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-bottom-left-radius: 8px;
}
.msg.user {
  margin-left: auto;
  background: linear-gradient(135deg, rgba(69,202,255,0.24), rgba(143,91,255,0.22));
  border: 1px solid rgba(142, 213, 255, 0.2);
  border-bottom-right-radius: 8px;
}
.chat-input {
  display: flex;
  gap: 10px;
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.08);
}
.chat-input input {
  flex: 1;
  min-width: 0;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text);
  outline: none;
  border-radius: 14px;
  padding: 14px 14px;
  font: inherit;
}

footer {
  padding: 18px 0 46px;
}
.footer-box {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 20px 22px;
}
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 5, 14, 0.72);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: 0.25s ease;
  z-index: 1200;
}
.project-modal.open {
  opacity: 1;
  visibility: visible;
}
.project-modal-dialog {
  width: min(760px, 100%);
  max-height: min(86vh, 820px);
  overflow: auto;
  padding: 24px;
  border-radius: 26px;
}
.project-modal-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}
.close-btn {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: white;
  cursor: pointer;
  font-size: 1rem;
}
.project-modal-body ul {
  color: var(--muted);
  line-height: 1.8;
  padding-left: 18px;
}

@media (max-width: 1120px) {
  .navbar {
    padding: 0 14px;
  }
  .hero-grid,
  .about-grid,
  .contact-grid,
  .skills-grid,
  .projects-grid,
  .org-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: auto;
    padding-top: 28px;
  }
}

@media (max-width: 860px) {
  .navbar {
    top: 10px;
    height: auto;
    min-height: var(--nav-h);
    flex-wrap: wrap;
    padding: 12px;
  }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .nav-links {
    width: 100%;
    display: none;
    padding-top: 8px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-actions {
    margin-left: auto;
  }
  .hero-stats,
  .mini-metrics,
  .contact-links {
    grid-template-columns: 1fr;
  }
  h1 {
    font-size: clamp(2.3rem, 12vw, 3.5rem);
  }
}

@media (max-width: 560px) {
  .container {
    width: min(var(--max), calc(100% - 20px));
  }
  section {
    padding: 44px 0;
  }
  .stat-card,
  .skill-card,
  .project-card,
  .org-card,
  .timeline-content,
  .about-copy,
  .info-panel,
  .contact-card,
  .chatbot-card,
  .project-modal-dialog,
  .footer-box {
    padding: 18px;
  }
  .floating-badge {
    position: static;
    margin-top: 12px;
    animation: none;
  }
  .badge-1,
  .badge-2 {
    inset: auto;
  }
  .profile-card {
    padding: 14px;
  }
  .hero-cta {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
}