:root {
  --bg: #071014;
  --panel: rgba(9, 22, 28, 0.78);
  --panel-strong: rgba(14, 31, 38, 0.92);
  --line: rgba(206, 244, 255, 0.16);
  --text: #eef9fb;
  --muted: #a9bdc3;
  --ice: #dff8ff;
  --cyan: #63d9ff;
  --green: #8dff72;
  --orange: #ff9b54;
  --shadow: 0 20px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 20% 0%, rgba(99, 217, 255, 0.16), transparent 32rem),
    radial-gradient(circle at 95% 20%, rgba(255, 155, 84, 0.1), transparent 26rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.pixel-snow,
.aurora-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.pixel-snow {
  z-index: 1;
  opacity: 0.52;
}

.aurora-layer {
  z-index: 0;
  background:
    linear-gradient(115deg, transparent 4%, rgba(99, 217, 255, 0.18) 22%, transparent 36%),
    linear-gradient(245deg, transparent 18%, rgba(141, 255, 114, 0.13) 40%, transparent 62%),
    linear-gradient(180deg, rgba(7, 16, 20, 0), rgba(7, 16, 20, 0.8));
  filter: blur(26px);
  transform: translate3d(0, 0, 0);
  animation: auroraDrift 12s ease-in-out infinite alternate;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  background: rgba(7, 16, 20, 0.72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.7rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 2.35rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(223, 248, 255, 0.3);
  background: linear-gradient(135deg, rgba(99, 217, 255, 0.28), rgba(141, 255, 114, 0.14));
  color: var(--ice);
  font-size: 0.78rem;
  border-radius: 0.45rem;
}

.nav-links {
  gap: clamp(0.7rem, 2vw, 1.35rem);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.nav-links a {
  transition: color 180ms ease;
}

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

.section-band {
  position: relative;
  z-index: 2;
}

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

.hero {
  min-height: 96vh;
  display: grid;
  align-items: center;
  padding: 7.5rem 0 5rem;
}

.hero-media,
.hero-media img,
.hero-vignette {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -1;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.64;
  filter: saturate(1.05) contrast(1.08);
}

.hero-vignette {
  background:
    linear-gradient(90deg, rgba(7, 16, 20, 0.96), rgba(7, 16, 20, 0.6) 50%, rgba(7, 16, 20, 0.92)),
    linear-gradient(180deg, rgba(7, 16, 20, 0.2), rgba(7, 16, 20, 0.98) 92%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(18rem, 0.52fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: end;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.shiny {
  display: inline-block;
  color: transparent;
  background-image: linear-gradient(110deg, var(--green), var(--ice), var(--orange), var(--green));
  background-size: 260% auto;
  background-clip: text;
  -webkit-background-clip: text;
  animation: shineText 3.4s linear infinite;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 6.4rem);
  max-width: 930px;
}

h1 .decrypted {
  display: block;
  color: var(--ice);
  text-shadow: 0 0 34px rgba(99, 217, 255, 0.3);
}

h2 {
  font-size: clamp(2rem, 4.5vw, 4.4rem);
}

h3 {
  font-size: clamp(1.05rem, 2.2vw, 1.45rem);
}

.hero-bio {
  max-width: 720px;
  margin: 1.4rem 0 0;
  color: #d9e9ec;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
}

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

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  font-weight: 800;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(223, 248, 255, 0.42);
}

.button.primary {
  background: var(--ice);
  color: #071014;
}

.button.secondary {
  background: rgba(99, 217, 255, 0.13);
}

.button.ghost {
  background: rgba(255, 155, 84, 0.1);
}

.signal-panel,
.info-block,
.project-card,
.skill-group,
.timeline,
.contact-actions {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  border-radius: 0.5rem;
}

.signal-panel {
  padding: 1.2rem;
}

.signal-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ice);
  font-weight: 800;
}

.pulse-dot {
  width: 0.7rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(141, 255, 114, 0.6);
  animation: pulse 1.8s infinite;
}

.signal-list {
  margin: 1rem 0 0;
}

.signal-list div {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.signal-list dt {
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.signal-list dd {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

section:not(.hero),
.contact {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.split-layout,
.timeline-layout,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(16rem, 0.45fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}

.section-heading {
  position: sticky;
  top: 6.2rem;
}

.section-heading.wide {
  position: static;
  max-width: 780px;
  margin-bottom: 1.5rem;
}

.about-columns {
  display: grid;
  gap: 1rem;
}

.info-block,
.project-card,
.skill-group {
  padding: clamp(1.1rem, 2vw, 1.45rem);
}

.info-block p,
.project-card p,
.skill-group p,
.timeline-item p,
.contact p {
  color: var(--muted);
}

.projects-band {
  background:
    linear-gradient(180deg, rgba(223, 248, 255, 0.035), transparent 18rem),
    rgba(255, 255, 255, 0.015);
}

.tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
}

.tab-button {
  min-height: 2.6rem;
  border: 0;
  border-radius: 0.45rem;
  padding: 0.65rem 0.9rem;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.tab-button.active {
  background: var(--ice);
  color: #071014;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: grid;
}

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

#backend.project-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card {
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--green), var(--orange));
}

.project-kicker {
  margin: 0 0 0.7rem;
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0;
  margin: 1.2rem 0 0;
  list-style: none;
}

.tag-list li {
  border: 1px solid rgba(223, 248, 255, 0.14);
  border-radius: 0.4rem;
  padding: 0.35rem 0.5rem;
  background: rgba(223, 248, 255, 0.055);
  color: var(--ice);
  font-size: 0.78rem;
  font-weight: 700;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.skill-group h3 {
  margin-bottom: 0.75rem;
  color: var(--ice);
}

.timeline {
  padding: 0.4rem;
}

.timeline-item {
  position: relative;
  padding: 1.15rem 1.2rem 1.15rem 2.1rem;
  border-bottom: 1px solid var(--line);
}

.timeline-item:last-child {
  border-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 1.55rem;
  left: 0.95rem;
  width: 0.55rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px rgba(141, 255, 114, 0.6);
}

.timeline-item.education::before {
  background: var(--orange);
  box-shadow: 0 0 18px rgba(255, 155, 84, 0.55);
}

.timeline-item span {
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.contact {
  background: linear-gradient(180deg, transparent, rgba(99, 217, 255, 0.06));
}

.contact h2 {
  max-width: 720px;
}

.contact-actions {
  display: grid;
  gap: 0.6rem;
  padding: 1rem;
}

.contact-actions a,
.contact-actions span {
  min-height: 3rem;
  display: flex;
  align-items: center;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  color: var(--ice);
  font-weight: 800;
}

.contact-actions a {
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.contact-actions a:hover {
  background: rgba(223, 248, 255, 0.08);
  transform: translateX(3px);
}

.contact-actions span {
  color: rgba(223, 248, 255, 0.54);
  background: rgba(223, 248, 255, 0.035);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 680ms ease,
    transform 680ms ease;
}

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

@keyframes auroraDrift {
  from {
    transform: translateX(-2%) translateY(-1%) rotate(-1deg) scale(1.04);
  }

  to {
    transform: translateX(2%) translateY(1%) rotate(1deg) scale(1.08);
  }
}

@keyframes shineText {
  to {
    background-position: -260% center;
  }
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 10px rgba(141, 255, 114, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(141, 255, 114, 0);
  }
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid,
  .split-layout,
  .timeline-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    position: static;
  }

  .project-grid,
  #backend.project-grid,
  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 0.85rem 1rem;
  }

  .hero {
    padding-top: 6.5rem;
  }

  .hero-vignette {
    background:
      linear-gradient(90deg, rgba(7, 16, 20, 0.96), rgba(7, 16, 20, 0.76)),
      linear-gradient(180deg, rgba(7, 16, 20, 0.32), rgba(7, 16, 20, 0.98) 92%);
  }

  .cta-row,
  .tabs {
    width: 100%;
  }

  .button,
  .tab-button {
    flex: 1 1 100%;
  }

  .project-grid,
  #backend.project-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}