:root {
  --bg: #050816;
  --bg-2: #08111f;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --line: rgba(255, 255, 255, 0.16);
  --text: #f8fbff;
  --muted: #aab7c7;
  --cyan: #35e7ff;
  --blue: #4f7cff;
  --violet: #a56cff;
  --lime: #b8ff5c;
  --orange: #ffb057;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.35);
  --radius: 30px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 14% 12%, rgba(79, 124, 255, 0.28), transparent 26rem),
    radial-gradient(circle at 86% 18%, rgba(165, 108, 255, 0.22), transparent 28rem),
    radial-gradient(circle at 50% 84%, rgba(53, 231, 255, 0.11), transparent 32rem),
    linear-gradient(135deg, #050816 0%, #07111f 48%, #03040b 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black, transparent 74%);
  z-index: -3;
  pointer-events: none;
}

a {
  color: inherit;
}

.noise {
  position: fixed;
  inset: 0;
  opacity: .23;
  pointer-events: none;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.34'/%3E%3C/svg%3E");
}

.background-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(22px);
  opacity: .72;
  animation: floatOrb 12s ease-in-out infinite alternate;
}

.orb-one {
  width: 370px;
  height: 370px;
  left: -120px;
  top: 16%;
  background: radial-gradient(circle, rgba(53,231,255,.48), transparent 64%);
}

.orb-two {
  width: 460px;
  height: 460px;
  right: -130px;
  top: 8%;
  background: radial-gradient(circle, rgba(165,108,255,.52), transparent 66%);
  animation-delay: -4s;
}

.orb-three {
  width: 410px;
  height: 410px;
  left: 42%;
  bottom: -160px;
  background: radial-gradient(circle, rgba(184,255,92,.28), transparent 67%);
  animation-delay: -7s;
}

@keyframes floatOrb {
  from { transform: translate3d(0,0,0) scale(1); }
  to { transform: translate3d(26px,-34px,0) scale(1.08); }
}

.glass {
  background: linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.site-header,
.section,
.site-footer {
  width: min(1180px, calc(100% - 44px));
  margin-left: auto;
  margin-right: auto;
}

.site-header {
  padding-top: 18px;
}

.navbar {
  position: sticky;
  top: 16px;
  z-index: 20;
  min-height: 72px;
  border-radius: 999px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #03111b;
  font-size: .86rem;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  box-shadow: 0 0 35px rgba(53,231,255,.35);
}

.brand-name {
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: .95rem;
  font-weight: 750;
  transition: color .2s ease;
}

.nav-links a:hover {
  color: var(--cyan);
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 5px;
  background: var(--text);
  border-radius: 999px;
}

.hero {
  min-height: calc(100vh - 92px);
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 26px;
  align-items: center;
  padding: 70px 0 90px;
}

.hero-badge {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(53,231,255,.08);
  border: 1px solid rgba(53,231,255,.22);
  font-size: .82rem;
  font-weight: 850;
  letter-spacing: .02em;
}

.hero-badge span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 18px var(--lime);
}

.hero h1 {
  max-width: 850px;
  margin: 24px 0 0;
  font-size: clamp(3.05rem, 7vw, 6.65rem);
  line-height: .94;
  letter-spacing: -0.075em;
}

.hero h1 span {
  display: block;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--lime));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text {
  max-width: 730px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.55vw, 1.24rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #03111b;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  box-shadow: 0 18px 46px rgba(53,231,255,.25);
}

.btn-secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255,255,255,.07);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 690px;
  margin-top: 42px;
}

.hero-metrics article {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,.065);
  border: 1px solid rgba(255,255,255,.12);
}

.hero-metrics strong {
  display: block;
  color: var(--cyan);
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -.06em;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 620px;
  border-radius: var(--radius);
  overflow: hidden;
  padding: 22px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -2px;
  background:
    radial-gradient(circle at 50% 38%, rgba(53,231,255,.18), transparent 18rem),
    linear-gradient(135deg, rgba(79,124,255,.08), rgba(165,108,255,.12));
  z-index: -1;
}

.dashboard-top {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
}

.dashboard-top span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,.28);
}

.dashboard-top span:nth-child(1) { background: var(--cyan); }
.dashboard-top span:nth-child(2) { background: var(--violet); }
.dashboard-top span:nth-child(3) { background: var(--lime); }

.profile-chip {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: 24px;
  background: rgba(255,255,255,.075);
  border: 1px solid rgba(255,255,255,.13);
}

.avatar {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  color: #03111b;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  font-weight: 950;
}

.profile-chip h2 {
  margin: 0;
  font-size: 1.32rem;
  letter-spacing: -.04em;
}

.profile-chip p {
  margin: 2px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.ai-core {
  position: absolute;
  left: 50%;
  top: 51%;
  width: 300px;
  height: 300px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
}

.core-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(53,231,255,.44);
  animation: pulse 3.4s ease-in-out infinite;
}

.ring-two {
  inset: 38px;
  border-color: rgba(184,255,92,.35);
  animation-delay: -1.3s;
}

.core-center {
  width: 118px;
  height: 118px;
  display: grid;
  place-items: center;
  border-radius: 35px;
  color: #03111b;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 0 80px rgba(53,231,255,.38);
  font-size: 2.05rem;
  font-weight: 950;
}

@keyframes pulse {
  0%,100% { transform: scale(.94); opacity: .7; }
  50% { transform: scale(1.08); opacity: 1; }
}

.floating-card {
  position: absolute;
  width: 190px;
  padding: 16px;
  border-radius: 22px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 20px 48px rgba(0,0,0,.22);
}

.floating-card small {
  display: block;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .7rem;
  font-weight: 950;
}

.floating-card strong {
  display: block;
  margin-top: 6px;
  line-height: 1.2;
}

.card-strategy { left: 34px; top: 165px; }
.card-data { right: 28px; top: 292px; }
.card-content { left: 58px; bottom: 52px; }

.section {
  padding: 88px 0;
}

.section-heading {
  max-width: 900px;
  margin-bottom: 34px;
}

.section-heading.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-label {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .78rem;
  font-weight: 950;
}

.section h2,
.contact-card h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(2.15rem, 5vw, 4.7rem);
  line-height: .98;
  letter-spacing: -.065em;
}

.profile-grid {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 18px;
}

.profile-card {
  border-radius: var(--radius);
  padding: 32px;
}

.profile-card h3 {
  margin: 0 0 16px;
  font-size: 1.7rem;
  letter-spacing: -.045em;
}

.profile-card p {
  color: var(--muted);
  margin: 0 0 14px;
}

.profile-card p:last-child {
  margin-bottom: 0;
}

.profile-card.accent {
  background:
    radial-gradient(circle at 82% 18%, rgba(184,255,92,.18), transparent 12rem),
    linear-gradient(135deg, rgba(53,231,255,.12), rgba(165,108,255,.08));
}

.profile-card.accent span {
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .74rem;
  font-weight: 950;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.skill-card {
  min-height: 280px;
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.skill-card:hover {
  transform: translateY(-6px);
  border-color: rgba(53,231,255,.38);
  background: linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,.07));
}

.skill-card.featured {
  background:
    radial-gradient(circle at 82% 12%, rgba(184,255,92,.20), transparent 11rem),
    linear-gradient(135deg, rgba(53,231,255,.16), rgba(165,108,255,.12));
}

.skill-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: #03111b;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  font-weight: 950;
  box-shadow: 0 0 34px rgba(53,231,255,.24);
}

.skill-card h3 {
  margin: 22px 0 10px;
  font-size: 1.45rem;
  letter-spacing: -.045em;
}

.skill-card p {
  margin: 0;
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  padding: 26px;
  border-radius: var(--radius);
}

.timeline-year {
  color: var(--cyan);
  font-weight: 950;
  letter-spacing: -.02em;
}

.timeline-item h3 {
  margin: 0;
  font-size: 1.62rem;
  letter-spacing: -.05em;
}

.timeline-item h4 {
  margin: 4px 0 8px;
  color: var(--lime);
}

.timeline-item p {
  margin: 10px 0 0;
  color: var(--muted);
}

.timeline-item .meta {
  margin-top: 0;
  color: rgba(248,251,255,.72);
  font-weight: 750;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.method-grid article {
  position: relative;
  min-height: 240px;
  padding: 28px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,255,255,.10), rgba(255,255,255,.045));
  border: 1px solid var(--line);
  overflow: hidden;
}

.method-grid article::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -60px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(53,231,255,.12);
}

.method-grid span {
  color: var(--cyan);
  font-weight: 950;
}

.method-grid h3 {
  margin: 18px 0 10px;
  font-size: 1.55rem;
  letter-spacing: -.05em;
}

.method-grid p {
  color: var(--muted);
  margin: 0;
}

.contact-section {
  padding-top: 60px;
}

.contact-card {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 34px;
  align-items: center;
  border-radius: 36px;
  padding: clamp(30px, 5vw, 58px);
  background:
    radial-gradient(circle at 15% 20%, rgba(53,231,255,.18), transparent 17rem),
    radial-gradient(circle at 100% 0%, rgba(165,108,255,.18), transparent 16rem),
    linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
}

.contact-card p {
  color: var(--muted);
  max-width: 620px;
}

.contact-actions {
  display: grid;
  gap: 12px;
}

.contact-actions a {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 0 18px;
  border-radius: 18px;
  color: var(--text);
  background: rgba(255,255,255,.075);
  border: 1px solid rgba(255,255,255,.14);
  text-decoration: none;
  font-weight: 850;
  overflow-wrap: anywhere;
  transition: border-color .2s ease, transform .2s ease;
}

.contact-actions a:hover {
  transform: translateY(-2px);
  border-color: rgba(53,231,255,.38);
}

.site-footer {
  padding: 26px 0 48px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
}

.site-footer a {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 900;
}

@media (max-width: 980px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 82px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    border-radius: 24px;
    background: rgba(5,8,22,.92);
    border: 1px solid var(--line);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .hero,
  .profile-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 58px;
  }

  .hero-visual {
    min-height: 520px;
  }

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

  .timeline-item {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header,
  .section,
  .site-footer {
    width: min(100% - 26px, 1180px);
  }

  .site-header {
    padding-top: 12px;
  }

  .navbar {
    top: 10px;
    border-radius: 24px;
  }

  .brand-name {
    font-size: .94rem;
  }

  .hero {
    min-height: auto;
    padding: 44px 0 64px;
  }

  .hero h1 {
    font-size: clamp(2.7rem, 15vw, 4.4rem);
  }

  .hero-text {
    font-size: 1rem;
  }

  .hero-badge {
    font-size: .73rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 450px;
    padding: 18px;
  }

  .ai-core {
    width: 230px;
    height: 230px;
  }

  .core-center {
    width: 96px;
    height: 96px;
    border-radius: 28px;
  }

  .floating-card {
    width: 160px;
  }

  .card-strategy { left: 18px; top: 145px; }
  .card-data { right: 18px; top: 248px; }
  .card-content { left: 18px; bottom: 22px; }

  .section {
    padding: 64px 0;
  }

  .section h2,
  .contact-card h2 {
    font-size: clamp(2rem, 12vw, 3.25rem);
  }

  .skills-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .skill-card,
  .method-grid article,
  .profile-card,
  .timeline-item,
  .contact-card {
    padding: 24px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .orb,
  .core-ring {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}