:root {
  --bg: #161a20;
  --bg-soft: #1e232b;
  --card: #222832;
  --card-2: #15191f;
  --text: #f5f7fb;
  --muted: #b8beca;
  --line: rgba(255, 255, 255, 0.1);
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius-lg: 34px;
  --radius-md: 22px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(255,255,255,0.08), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(255,255,255,0.04), transparent 30%),
    var(--bg);
  line-height: 1.6;
}

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

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(22, 26, 32, 0.78);
  border-bottom: 1px solid var(--line);
}

.nav {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--bg);
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.96rem;
}

.nav-links a { transition: color .2s ease, transform .2s ease; }
.nav-links a:hover { color: var(--text); transform: translateY(-1px); }
.nav-cta {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text) !important;
  background: rgba(255,255,255,0.04);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  margin: 4px auto;
}

.hero {
  min-height: calc(100vh - 78px);
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 64px;
  padding: 86px 0 70px;
}

.eyebrow, .section-label, .project-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: .83rem;
  text-transform: uppercase;
  letter-spacing: .13em;
  font-weight: 700;
}

.eyebrow::before, .section-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--white);
  opacity: .9;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin: 22px 0 22px;
  font-size: clamp(2.6rem, 6vw, 5.7rem);
  line-height: .94;
  letter-spacing: -0.08em;
  max-width: 860px;
}
h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: -0.06em;
  margin-bottom: 0;
}
h3 {
  font-size: 1.15rem;
  line-height: 1.25;
  margin-bottom: 8px;
}

.hero-text {
  color: var(--muted);
  font-size: 1.13rem;
  max-width: 640px;
}

.hero-actions, .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 750;
  border: 1px solid var(--line);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--white); color: var(--bg); border-color: var(--white); }
.btn.secondary { background: rgba(255,255,255,0.04); color: var(--text); }

.quick-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 42px;
  max-width: 720px;
}
.quick-facts div {
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.035);
  border-radius: 20px;
}
.quick-facts strong { display: block; font-size: .95rem; }
.quick-facts span { color: var(--muted); font-size: .86rem; }

.profile-card {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 600px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02)),
    var(--bg-soft);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.profile-card::before {
  content: "";
  position: absolute;
  inset: 80px -80px auto auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.13);
}
.availability-pill {
  position: absolute;
  top: 26px;
  left: 26px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(22, 26, 32, 0.72);
  backdrop-filter: blur(12px);
  color: var(--muted);
  font-weight: 650;
  font-size: .9rem;
}
.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 6px rgba(255,255,255,0.08);
}
.photo-ring {
  width: min(78%, 430px);
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--white);
  outline: 1px solid rgba(255,255,255,0.2);
  outline-offset: 20px;
  overflow: hidden;
}
.photo-ring img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-footer {
  position: absolute;
  bottom: 26px;
  left: 26px;
  right: 26px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: .9rem;
}

.section { padding: 92px 0; border-top: 1px solid var(--line); }
.split {
  display: grid;
  grid-template-columns: .9fr 1fr;
  gap: 58px;
  align-items: start;
  margin-top: 24px;
}
.split p, .skills-layout > div:first-child p, .contact-card p {
  color: var(--muted);
  font-size: 1.08rem;
}

.timeline {
  margin-top: 28px;
  display: grid;
  gap: 22px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
}
.timeline-date {
  color: var(--muted);
  font-weight: 750;
  padding-top: 24px;
}
.timeline-card, .project-card, .skill-group, .mini-card {
  padding: 26px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
  border-radius: var(--radius-md);
}
.timeline-card p, .project-card p, .skill-group p, .mini-card p { color: var(--muted); }
.timeline-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.muted { color: var(--muted); }

.cards-grid, .education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
}
.project-card { min-height: 260px; }
.project-tag {
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
  opacity: .76;
  margin-bottom: 22px;
  font-size: .82rem;
}
.project-tag::before { content: none; }
.project-card h3 { font-size: 1.35rem; letter-spacing: -0.02em; }

.skills-layout {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 46px;
  margin-top: 26px;
}
.skill-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-section { padding: 80px 0 40px; }
.contact-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 30px;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  color: var(--bg);
  box-shadow: var(--shadow);
}
.contact-card .section-label,
.contact-card p { color: rgba(22, 26, 32, 0.68); }
.contact-card .section-label::before { background: var(--bg); }
.contact-card .btn.primary { background: var(--bg); color: var(--white); border-color: var(--bg); }
.contact-card .btn.secondary { background: transparent; color: var(--bg); border-color: rgba(22, 26, 32, 0.18); }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 38px 0;
  color: var(--muted);
  font-size: .95rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 78px;
    left: 20px;
    right: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(22,26,32,0.96);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: .2s ease;
  }
  .nav-links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a { padding: 14px 12px; }
  .hero, .split, .skills-layout, .contact-card { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; gap: 36px; }
  .profile-card { min-height: 520px; }
  .quick-facts, .cards-grid, .education-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .timeline-date { padding-top: 0; }
  .skill-groups { grid-template-columns: 1fr; }
  .contact-actions { justify-content: flex-start; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, var(--container)); }
  .nav { height: 70px; }
  .nav-links { top: 70px; }
  .brand span:last-child { display: none; }
  .hero { min-height: auto; }
  .quick-facts { gap: 10px; }
  .profile-card { min-height: 430px; border-radius: 26px; }
  .availability-pill { position: static; margin-top: 22px; }
  .card-footer { position: static; padding: 0 22px 22px; flex-direction: column; align-items: center; text-align: center; }
  .photo-ring { width: min(74%, 300px); outline-offset: 12px; margin: 22px 0; }
  .section { padding: 64px 0; }
  .footer { flex-direction: column; }
}