:root {
  --bg: #212020;
  --panel: rgba(255, 255, 255, 0.07);
  --panel-strong: rgba(255, 255, 255, 0.11);
  --text: #ffffff;
  --soft: rgba(255, 255, 255, 0.72);
  --muted: rgba(255, 255, 255, 0.52);
  --line: rgba(255, 255, 255, 0.14);
  --accent: #67f8c7;
  --accent-two: #66b3ff;
  --warning: #f7c96a;
  --danger: #ff6b6b;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(103, 248, 199, 0.16), transparent 28rem),
    radial-gradient(circle at 80% 0%, rgba(102, 179, 255, 0.13), transparent 30rem),
    linear-gradient(120deg, rgba(255, 255, 255, 0.04), transparent 40%);
  pointer-events: none;
  z-index: -3;
}

#matrixCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.11;
  z-index: -2;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  /* Smaller menu height, reduced by about 40% from the first version */
  padding: 0.35rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(33, 32, 32, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.9rem;
  color: #101010;
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  box-shadow: 0 0 35px rgba(103, 248, 199, 0.25);
}

.brand-text {
  font-size: 1.02rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a {
  padding: 0.38rem 0.75rem;
  color: var(--soft);
  border-radius: 999px;
  line-height: 1.15;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.main-nav a:hover {
  color: var(--text);
  background: var(--panel);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--panel);
  color: var(--text);
}

.nav-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--text);
  margin: 0.25rem auto;
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.7fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero {
  min-height: calc(100vh - 3rem);
  /* About 8 mm visual breathing room under the menu */
  padding: 8mm 0 3rem;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 800;
}

h1, h2, h3 {
  line-height: 1.1;
  margin: 0;
}

h1 {
  font-size: clamp(3.1rem, 8vw, 6.5rem);
  letter-spacing: -0.07em;
}

h1 span {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.75);
  font-size: 0.55em;
  letter-spacing: -0.04em;
  margin-top: 0.3rem;
}

#typingTitle {
  min-height: 1.35em;
  color: var(--text);
  letter-spacing: -0.015em;
}


.hero h2,
.section-heading h2,
.contact-section h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  letter-spacing: -0.05em;
}

.hero h2 {
  min-height: 3.3rem;
  margin-top: 1.2rem;
  color: var(--soft);
}

.hero-text {
  max-width: 760px;
  margin: 1.4rem 0 0;
  color: var(--soft);
  font-size: 1.08rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.8rem;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  font-weight: 800;
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.btn.primary {
  color: #101010;
  background: linear-gradient(135deg, var(--accent), var(--accent-two));
  box-shadow: 0 14px 38px rgba(103, 248, 199, 0.21);
}

.btn.secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--panel);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 2rem;
}

.status-grid article,
.numbers article,
.stack-card,
.education-card,
.timeline-item,
.glass-panel,
.contact-section,
.terminal,
.qr-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.status-grid article {
  padding: 1rem;
  border-radius: 1.2rem;
}

.status-grid span,
.numbers span,
.timeline-year {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
}

.status-grid strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.98rem;
}

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

.portrait-frame {
  position: relative;
  isolation: isolate;
  padding: 0.9rem;
  border-radius: 2.3rem;
  background:
    linear-gradient(var(--bg), var(--bg)) padding-box,
    linear-gradient(135deg, var(--accent), transparent 35%, var(--accent-two)) border-box;
  border: 1px solid transparent;
  box-shadow: var(--shadow), 0 0 55px rgba(103, 248, 199, 0.12);
}

.portrait-frame::before {
  content: "";
  position: absolute;
  inset: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 1.7rem;
  z-index: 1;
  pointer-events: none;
}

.portrait-frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 47% center;
  border-radius: 1.7rem;
  filter: saturate(1.03) contrast(1.02);
}

.frame-corner {
  position: absolute;
  width: 5rem;
  height: 5rem;
  border-color: var(--accent);
  z-index: 2;
}

.corner-one {
  top: 0.5rem;
  left: 0.5rem;
  border-top: 2px solid;
  border-left: 2px solid;
  border-radius: 1.2rem 0 0 0;
}

.corner-two {
  right: 0.5rem;
  bottom: 0.5rem;
  border-right: 2px solid var(--accent-two);
  border-bottom: 2px solid var(--accent-two);
  border-radius: 0 0 1.2rem 0;
}

.portrait-caption {
  position: absolute;
  left: 1.55rem;
  right: 1.55rem;
  bottom: 1.55rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(16px);
  font-weight: 800;
  font-size: 0.9rem;
}

.live-dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(103, 248, 199, 0.75);
  animation: pulse 1.6s infinite;
}

.qr-card {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border-radius: 1.5rem;
}

.qr-card img {
  padding: 0.45rem;
  background: #ffffff;
  border-radius: 1rem;
}

.qr-card h3 {
  font-size: 1.05rem;
}

.qr-card p {
  margin: 0.35rem 0 0;
  color: var(--soft);
  font-size: 0.93rem;
}

.terminal {
  margin: 0 0 1.4rem;
  border-radius: 1.3rem;
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  gap: 0.45rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.24);
}

.terminal-bar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--danger);
}

.terminal-bar span:nth-child(2) {
  background: var(--warning);
}

.terminal-bar span:nth-child(3) {
  background: var(--accent);
}

.terminal pre {
  margin: 0;
  padding: 1.25rem;
  overflow-x: auto;
  color: var(--soft);
  font-family: "Cascadia Code", "Fira Code", Consolas, monospace;
  font-size: clamp(0.86rem, 1.3vw, 1rem);
}

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

.terminal .success {
  color: var(--accent);
}

.numbers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 5rem;
}

.numbers article {
  padding: 1.4rem;
  border-radius: 1.4rem;
}

.numbers strong {
  display: block;
  font-size: clamp(2.5rem, 6vw, 4.3rem);
  line-height: 0.95;
  letter-spacing: -0.08em;
}

.numbers strong::after {
  content: "+";
  color: var(--accent);
  font-size: 0.45em;
  margin-left: 0.1rem;
}

.numbers article:nth-child(3) strong::after {
  content: "";
}

.content-section {
  padding: 4.6rem 0;
}

.section-heading {
  margin-bottom: 1.6rem;
}

.section-heading h2 {
  max-width: 860px;
}

.glass-panel {
  border-radius: 1.5rem;
  padding: clamp(1.2rem, 3vw, 2rem);
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.two-column p {
  margin: 0;
  color: var(--soft);
  font-size: 1.05rem;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.stack-card {
  padding: 1.3rem;
  border-radius: 1.4rem;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.stack-card:hover,
.timeline-item:hover,
.education-card:hover {
  transform: translateY(-4px);
  border-color: rgba(103, 248, 199, 0.36);
  background: var(--panel-strong);
}

.stack-card h3,
.education-card h3,
.timeline-item h3 {
  font-size: 1.1rem;
}

.chips,
.cert-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.chips span,
.cert-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.48rem 0.7rem;
  color: var(--soft);
  background: rgba(0, 0, 0, 0.18);
  font-size: 0.85rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 6.05rem;
  width: 1px;
  background: linear-gradient(var(--accent), transparent);
  opacity: 0.45;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.2rem;
  padding: 1.25rem;
  border-radius: 1.4rem;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.timeline-year {
  color: var(--accent);
}

.timeline-item p,
.education-card p,
.contact-section p {
  margin: 0.65rem 0 0;
  color: var(--soft);
}

.education-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1rem;
}

.education-card {
  padding: 1.35rem;
  border-radius: 1.4rem;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.education-card.featured {
  background: linear-gradient(135deg, rgba(103, 248, 199, 0.13), rgba(102, 179, 255, 0.08));
}

.cert-list {
  margin-top: 1rem;
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  margin: 3rem 0 4rem;
  padding: clamp(1.4rem, 4vw, 2.5rem);
  border-radius: 1.7rem;
  background:
    linear-gradient(135deg, rgba(103, 248, 199, 0.13), rgba(102, 179, 255, 0.07)),
    var(--panel);
}

.site-footer {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 0.75rem rgba(103, 248, 199, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(103, 248, 199, 0);
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    display: none;
    flex-direction: column;
    min-width: 15rem;
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: rgba(33, 32, 32, 0.96);
    box-shadow: var(--shadow);
  }

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

  .main-nav a {
    width: 100%;
  }

  .section-grid,
  .two-column,
  .stack-grid,
  .education-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 8mm;
  }

  .hero-visual {
    max-width: 520px;
    margin: 0 auto;
  }

  .numbers {
    grid-template-columns: 1fr;
    margin-bottom: 2rem;
  }
}

@media (max-width: 620px) {
  main,
  .site-footer {
    width: min(100% - 1.1rem, 1180px);
  }

  .site-header {
    padding: 0.35rem 0.75rem;
  }

  h1 {
    font-size: 3rem;
  }

  .status-grid,
  .timeline-item,
  .qr-card {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    display: none;
  }

  .qr-card img {
    width: 7rem;
  }

  .hero h2 {
    min-height: 4.5rem;
  }

  .portrait-caption {
    position: static;
    margin-top: 0.75rem;
    justify-content: center;
  }
}