/* Decoherence Studio — cosmic design & delivery */
:root {
  --bg: #05060a;
  --bg-elevated: rgba(10, 14, 24, 0.68);
  --text: #e8eef8;
  --muted: #9aa8c0;
  --cyan: #22d3ee;
  --magenta: #e879f9;
  --violet: #a78bfa;
  --border: rgba(148, 163, 184, 0.18);
  --glow-cyan: rgba(34, 211, 238, 0.45);
  --glow-magenta: rgba(232, 121, 249, 0.4);
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-ui: "Manrope", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --radius: 20px;
  --header-h: 72px;
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--cyan);
  color: #041016;
  border-radius: 8px;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 50;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.04);
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  box-shadow: 0 0 12px var(--glow-cyan);
  transform-origin: left center;
}

/* Film grain */
.grain {
  position: fixed;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  opacity: 0.055;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

/* Cursor glow (desktop, JS-driven) */
.cursor-glow {
  position: fixed;
  width: 280px;
  height: 280px;
  margin: -140px 0 0 -140px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.12) 0%, rgba(232, 121, 249, 0.06) 40%, transparent 70%);
  transition: opacity 0.35s ease;
  will-change: transform;
}

body.has-pointer .cursor-glow.is-on {
  opacity: 1;
}

/* Layers behind content */
#galaxy {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
  pointer-events: none;
}

.nebula {
  position: fixed;
  inset: -20%;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 50% 40% at 30% 40%, rgba(168, 85, 247, 0.18), transparent 55%),
    radial-gradient(ellipse 45% 35% at 70% 55%, rgba(34, 211, 238, 0.14), transparent 50%),
    radial-gradient(ellipse 60% 50% at 50% 80%, rgba(236, 72, 153, 0.1), transparent 55%);
  mix-blend-mode: screen;
  animation: nebula-drift 28s ease-in-out infinite alternate;
  will-change: transform, opacity;
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 60% at 50% 40%, transparent 20%, rgba(5, 6, 10, 0.55) 70%, rgba(5, 6, 10, 0.88) 100%),
    linear-gradient(180deg, rgba(5, 6, 10, 0.35) 0%, transparent 25%, transparent 60%, rgba(5, 6, 10, 0.85) 100%);
  animation: vignette-pulse 12s ease-in-out infinite alternate;
}

@keyframes nebula-drift {
  0% {
    transform: translate3d(-2%, -1%, 0) scale(1) rotate(0deg);
    opacity: 0.85;
  }
  50% {
    transform: translate3d(2%, 1.5%, 0) scale(1.06) rotate(1.2deg);
    opacity: 1;
  }
  100% {
    transform: translate3d(1%, -2%, 0) scale(1.03) rotate(-0.8deg);
    opacity: 0.9;
  }
}

@keyframes vignette-pulse {
  from { opacity: 0.92; }
  to { opacity: 1; }
}

@keyframes ambient-glow {
  0%, 100% {
    box-shadow: 0 0 0 1px var(--border), 0 8px 32px rgba(0, 0, 0, 0.25), 0 0 24px rgba(34, 211, 238, 0.06);
  }
  50% {
    box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.28), 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 36px rgba(232, 121, 249, 0.1);
  }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes scroll-pulse {
  0% { transform: translateY(0); opacity: 0.2; }
  40% { opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

@keyframes logo-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.55); }
  50% { opacity: 0.65; box-shadow: 0 0 0 6px rgba(34, 211, 238, 0); }
}

@keyframes hero-in {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Layout chrome */
.site-header,
main,
.site-footer {
  position: relative;
  z-index: 5;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px) saturate(1.2);
  background: rgba(5, 6, 10, 0.52);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(5, 6, 10, 0.82);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}

.logo-mark {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background:
    conic-gradient(from 180deg, var(--cyan), var(--magenta), var(--violet), var(--cyan));
  box-shadow: 0 0 16px var(--glow-cyan);
  animation: logo-spin 10s linear infinite;
}

.logo-text {
  background: linear-gradient(90deg, #fff, var(--cyan), var(--magenta), #fff);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 8s linear infinite;
}

.nav {
  display: none;
  gap: 1.35rem;
  margin-left: auto;
  margin-right: 0.5rem;
}

.nav a {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.header-inner > .btn-ghost {
  display: none;
}

.nav-toggle {
  margin-left: auto;
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 0.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: rgba(5, 6, 10, 0.94);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a:not(.btn) {
  color: var(--muted);
  font-family: var(--font-ui);
  padding: 0.35rem 0;
}

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.2rem;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
  white-space: nowrap;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.22) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
  pointer-events: none;
}

.btn:hover::after {
  transform: translateX(120%);
}

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

.btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.btn-primary {
  color: #041016;
  background: linear-gradient(120deg, var(--cyan), #67e8f9 40%, var(--magenta));
  background-size: 200% 200%;
  animation: shimmer 6s linear infinite;
  box-shadow: 0 0 28px rgba(34, 211, 238, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 0 36px rgba(34, 211, 238, 0.42), 0 0 48px rgba(232, 121, 249, 0.2);
}

.btn-ghost {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
  animation: ambient-glow 5s ease-in-out infinite;
}

.btn-ghost:hover {
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.2), 0 0 28px rgba(232, 121, 249, 0.15);
}

.btn-lg {
  padding: 0.95rem 1.45rem;
  font-size: 1rem;
}

/* Glass panels */
.glass {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px) saturate(1.15);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 12px 40px rgba(0, 0, 0, 0.28);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.glass:hover {
  border-color: rgba(34, 211, 238, 0.32);
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.12) inset,
    0 16px 48px rgba(0, 0, 0, 0.35),
    0 0 32px rgba(34, 211, 238, 0.1),
    0 0 48px rgba(232, 121, 249, 0.08);
}

/* Hero */
.hero {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  place-items: center;
  padding: 4.5rem 1.25rem 5.5rem;
  position: relative;
}

.hero-content {
  max-width: 720px;
  text-align: center;
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.1rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  background: rgba(8, 16, 28, 0.55);
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(232, 241, 255, 0.82);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: status-pulse 2.2s ease-in-out infinite;
}

.eyebrow {
  margin: 0 0 1rem;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(34, 211, 238, 0.9);
  text-shadow: 0 0 14px rgba(34, 211, 238, 0.35);
}

.hero h1 {
  margin: 0;
  display: grid;
  gap: 0.45rem;
  justify-items: center;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8.5vw, 5.25rem);
  letter-spacing: 0.01em;
  font-weight: 700;
  line-height: 1.05;
  background: linear-gradient(105deg, #ffffff 8%, #e0f7ff 35%, var(--cyan) 55%, var(--magenta) 88%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 9s linear infinite;
  filter: drop-shadow(0 0 18px rgba(34, 211, 238, 0.2));
}

.brand-domain {
  display: none; /* kept in DOM for SEO/structure; shown in contact */
}
.tagline {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3vw, 1.75rem);
  letter-spacing: 0.14em;
  font-weight: 500;
  color: rgba(232, 238, 248, 0.95);
  text-shadow: 0 0 24px rgba(232, 121, 249, 0.28);
}

.lede {
  margin: 1.5rem auto 0;
  max-width: 54ch;
  color: var(--muted);
  font-size: 1.08rem;
  font-family: var(--font-ui);
  font-weight: 400;
}

.hero-actions {
  margin-top: 2.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

.hint {
  margin-top: 1.5rem;
  color: rgba(154, 168, 192, 0.75);
  font-size: 0.85rem;
}

.hero-enter {
  opacity: 0;
  transform: translateY(22px);
}

.hero.is-ready .hero-enter {
  animation: hero-in 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero.is-ready .hero-enter--1 { animation-delay: 0.05s; }
.hero.is-ready .hero-enter--2 { animation-delay: 0.18s; }
.hero.is-ready .hero-enter--3 { animation-delay: 0.32s; }
.hero.is-ready .hero-enter--3b { animation-delay: 0.4s; }
.hero.is-ready .hero-enter--4 { animation-delay: 0.48s; }
.hero.is-ready .hero-enter--5 { animation-delay: 0.64s; }
.hero.is-ready .hero-enter--6 { animation-delay: 0.8s; }
.hero.is-ready .hero-enter--7 { animation-delay: 0.96s; }

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  width: 22px;
  height: 36px;
  margin-left: -11px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 999px;
}

.scroll-cue span {
  display: block;
  width: 4px;
  height: 8px;
  margin: 8px auto 0;
  border-radius: 999px;
  background: var(--cyan);
  animation: scroll-pulse 1.8s ease-in-out infinite;
}

/* Sections */
.section {
  padding: 5.5rem 1.25rem;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.45), transparent);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-head {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section-head h2,
.manifesto h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.section-head p:last-child {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-ui);
}

.section-manifesto {
  padding-top: 1rem;
  padding-bottom: 2rem;
}

.manifesto {
  max-width: 780px;
  margin: 0 auto;
  padding: 2.2rem 1.8rem;
  text-align: center;
  border-radius: calc(var(--radius) + 4px);
  animation: ambient-glow 8s ease-in-out infinite;
}

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

.manifesto-body {
  margin: 0 auto;
  max-width: 58ch;
  color: var(--muted);
  font-size: 1.12rem;
  font-family: var(--font-ui);
  line-height: 1.7;
}

.card-grid,
.work-grid {
  display: grid;
  gap: 1.15rem;
}

.card,
.work-card {
  padding: 1.5rem 1.4rem;
  border-radius: var(--radius);
  animation: ambient-glow 8s ease-in-out infinite;
}

.card:nth-child(2),
.work-card:nth-child(2) {
  animation-delay: -2s;
}

.card:nth-child(3),
.work-card:nth-child(3) {
  animation-delay: -4s;
}

.card:nth-child(4) {
  animation-delay: -6s;
}

.card:hover,
.work-card:hover {
  transform: translateY(-4px);
}

.card-icon {
  width: 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  margin-bottom: 0.9rem;
  color: var(--cyan);
  text-shadow: 0 0 16px var(--glow-cyan);
  font-size: 1.25rem;
}

.card h3,
.work-card h3,
.timeline h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card p,
.work-card p,
.timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.timeline li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.3rem 1.35rem;
  border-radius: var(--radius);
}

.timeline li:hover {
  transform: translateY(-3px);
}

.step {
  font-family: var(--font-display);
  color: var(--magenta);
  letter-spacing: 0.08em;
  text-shadow: 0 0 18px var(--glow-magenta);
  padding-top: 0.15rem;
  font-weight: 700;
}

.work-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.8rem;
}

.work-meta .code {
  font-family: var(--font-ui);
  letter-spacing: 0.12em;
  color: var(--cyan);
  font-weight: 600;
}

.work-meta .tag {
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.15rem 0.65rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
}

.work-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--violet);
  font-family: var(--font-ui);
}

.section-contact .contact-panel {
  text-align: center;
  padding: 2.75rem 1.6rem;
  border-radius: calc(var(--radius) + 8px);
  border-color: rgba(34, 211, 238, 0.22);
  background:
    radial-gradient(ellipse 80% 70% at 50% 0%, rgba(34, 211, 238, 0.12), transparent 55%),
    radial-gradient(ellipse 70% 60% at 50% 100%, rgba(232, 121, 249, 0.1), transparent 55%),
    rgba(8, 12, 22, 0.72);
  animation: ambient-glow 6s ease-in-out infinite;
}

.section-contact .section-head {
  margin-left: auto;
  margin-right: auto;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.contact-note {
  margin: 1.25rem 0 0;
  color: rgba(154, 168, 192, 0.8);
  font-size: 0.85rem;
  font-family: var(--font-ui);
}

.domain {
  margin: 1.1rem 0 0;
  font-family: var(--font-display);
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem 1.25rem 2rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.88rem;
  font-family: var(--font-ui);
}

.footer-note {
  margin: 0;
}

.site-footer p {
  margin: 0;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1), transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (min-width: 720px) {
  .nav {
    display: flex;
  }

  .header-inner > .btn-ghost {
    display: inline-flex;
  }

  .nav-toggle,
  .mobile-nav {
    display: none !important;
  }

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

  .work-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .manifesto {
    padding: 2.6rem 2.8rem;
  }
}

@media (min-width: 980px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .nebula {
    animation-duration: 60s;
  }

  .vignette {
    animation-duration: 40s;
  }

  .logo-mark {
    animation-duration: 40s;
  }

  .logo-text,
  .brand,
  .btn-primary {
    animation-duration: 18s;
  }

  .scroll-cue span,
  .card,
  .work-card,
  .manifesto,
  .section-contact .contact-panel,
  .btn-ghost,
  .status-dot {
    animation-duration: 14s;
  }

  .hero-enter,
  .hero.is-ready .hero-enter {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .card:hover,
  .work-card:hover,
  .timeline li:hover,
  .manifesto:hover,
  .btn:hover {
    transform: none;
  }

  .btn::after {
    display: none;
  }

  .cursor-glow {
    display: none;
  }
}