/* ═══════════════════════════════════════════════════════════════════════
   CHIRAYU JAIMAN PORTFOLIO — STYLE SHEET
   Aesthetic: Retro-futurist cyberpunk · editorial · restrained
   ═══════════════════════════════════════════════════════════════════════ */

/* ── 1. DESIGN TOKENS ───────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-base:        #0d0b08;
  --bg-surface:     #131109;
  --bg-elevated:    #1c1915;
  --bg-panel:       #111009;

  /* Amber — primary accent */
  --amber:          #ffb347;
  --amber-bright:   #ffa020;
  --amber-dim:      rgba(255, 179, 71, 0.5);
  --amber-glow:     rgba(255, 179, 71, 0.12);
  --amber-glow-md:  rgba(255, 179, 71, 0.22);
  --amber-glow-lg:  rgba(255, 179, 71, 0.4);

  /* Teal — secondary accent */
  --teal:           #00e5cc;
  --teal-dim:       rgba(0, 229, 204, 0.5);
  --teal-glow:      rgba(0, 229, 204, 0.12);

  /* Text */
  --text-primary:   #ede6d4;
  --text-secondary: #8a7d60;
  --text-muted:     #4a4030;
  --text-amber:     var(--amber);

  /* Borders */
  --border:         rgba(255, 179, 71, 0.18);
  --border-strong:  rgba(255, 179, 71, 0.38);

  /* Typography */
  --font-heading:   'Orbitron', sans-serif;
  --font-body:      'Inter', sans-serif;
  --font-mono:      'Share Tech Mono', monospace;

  /* Spacing */
  --section-pad:    110px;
  --container:      1180px;

  /* Transitions */
  --ease-fast:      0.18s ease;
  --ease-med:       0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-slow:      0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── 2. RESET & BASE ────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

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

/* ── 3. UTILITY ─────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--amber-dim);
  margin-bottom: 36px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 32px;
}

.placeholder-val {
  color: var(--text-muted) !important;
  font-style: italic;
}

/* ── 4. KEYFRAME ANIMATIONS ─────────────────────────────────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

@keyframes floatAlt {
  0%, 100% { transform: translateY(-4px); }
  50%       { transform: translateY(6px); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.4; transform: scaleX(1); }
  50%       { opacity: 0.8; transform: scaleX(1.08); }
}

@keyframes statusBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

@keyframes scanlineMove {
  0%   { top: -120px; }
  100% { top: 100%; }
}

@keyframes panelSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

@keyframes panelSlideOut {
  from { transform: translateX(0);    opacity: 1; }
  to   { transform: translateX(100%); opacity: 0; }
}

@keyframes backdropIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes typewriter {
  from { width: 0; }
  to   { width: 100%; }
}

@keyframes borderGlow {
  0%, 100% { border-color: var(--border); }
  50%       { border-color: var(--border-strong); }
}

/* ── 5. NAVIGATION ──────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background var(--ease-med), border-color var(--ease-med);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(13, 11, 8, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px 40px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  transition: color var(--ease-fast);
}

.nav-logo:hover {
  color: var(--amber);
}

.nav-logo-bracket {
  color: var(--amber);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--ease-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--amber);
  transition: width var(--ease-med);
}

.nav-link:hover,
.nav-link.active {
  color: var(--amber);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link-cta {
  color: var(--amber);
  border: 1px solid var(--border-strong);
  padding: 6px 16px;
  border-radius: 2px;
  transition: background var(--ease-fast), color var(--ease-fast);
}

.nav-link-cta::after {
  display: none;
}

.nav-link-cta:hover {
  background: var(--amber-glow-md);
  color: var(--amber-bright);
}

/* ── 6. LAB HERO ────────────────────────────────────────────────────── */
.lab-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Background image */
.lab-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/images/lab_background.png');
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  filter: brightness(0.55) saturate(0.9);
  z-index: 0;
}

/* Particle canvas */
.lab-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* Scanline overlay */
.lab-scanline {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.lab-scanline::before {
  /* Static scanline texture */
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0, 0, 0, 0.04) 3px,
    rgba(0, 0, 0, 0.04) 4px
  );
}

.lab-scanline::after {
  /* Moving scan beam */
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(255, 179, 71, 0.025),
    rgba(255, 179, 71, 0.04),
    rgba(255, 179, 71, 0.025),
    transparent
  );
  animation: scanlineMove 10s linear infinite;
  top: -120px;
}

/* Vignette */
.lab-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.65) 100%);
  z-index: 3;
  pointer-events: none;
}

/* Top gradient (nav fade) */
.lab-gradient-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 160px;
  background: linear-gradient(to bottom, rgba(13, 11, 8, 0.85), transparent);
  z-index: 4;
  pointer-events: none;
}

/* Bottom gradient (floor) */
.lab-gradient-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 320px;
  background: linear-gradient(to top, var(--bg-base) 0%, rgba(13, 11, 8, 0.85) 60%, transparent 100%);
  z-index: 4;
  pointer-events: none;
}

/* ── Hero Identity Text ── */
.lab-identity {
  position: relative;
  z-index: 10;
  flex: 0 0 auto;
  padding: 160px 60px 0;
  max-width: 700px;
}

.lab-status-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--amber-dim);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--amber);
  animation: statusBlink 2s ease-in-out infinite;
  flex-shrink: 0;
}

.status-text {
  letter-spacing: 0.15em;
}

.lab-name {
  font-family: var(--font-heading);
  font-size: clamp(3.2rem, 7vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 0.95;
  color: var(--text-primary);
  text-shadow: 0 0 60px rgba(255, 179, 71, 0.2);
  margin-bottom: 20px;
}

.lab-name-last {
  color: var(--amber);
  display: inline-block;
}

.lab-discipline {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
}

.lab-tagline {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 480px;
}

/* Characters container — column layout (hint + character row) */
.lab-characters {
  position: relative;
  z-index: 10;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-end;
  margin-top: auto;
  padding: 0 20px;
}

/* Select hint bar */
.lab-select-hint {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hint-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border));
  max-width: 100px;
}

.hint-line:last-child {
  background: linear-gradient(to left, transparent, var(--border));
}

.hint-text {
  flex-shrink: 0;
}

/* Characters flex row (injected by JS) */
.characters-flex-row {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 4px;
  padding: 0 10px;
  flex-wrap: nowrap;
}

/* ── Single character card ── */
.character {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
  padding: 0 8px;
  cursor: pointer;
  outline: none;
  transition: transform var(--ease-med);
  /* Float animation with staggered delays set inline */
}

.character:nth-child(1) { animation-delay: 0.4s; }
.character:nth-child(2) { animation-delay: 0.9s; }
.character:nth-child(3) { animation-delay: 0.2s; }
.character:nth-child(4) { animation-delay: 0.65s; }

.character-img {
  height: clamp(160px, 22vw, 240px);
  width: auto;
  object-fit: contain;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 4px 24px rgba(255, 179, 71, 0.3)) drop-shadow(0 0 8px rgba(255, 179, 71, 0.2));
  transition: filter var(--ease-med), transform var(--ease-med);
  animation: float 3s ease-in-out infinite;
}

.character:nth-child(1) .character-img { animation-delay: 0.4s; animation-duration: 3.4s; }
.character:nth-child(2) .character-img { animation-delay: 0.9s; animation-duration: 3s; }
.character:nth-child(3) .character-img { animation-delay: 0.2s; animation-duration: 3.6s; }
.character:nth-child(4) .character-img { animation-delay: 0.65s; animation-duration: 3.2s; }

.character:hover .character-img,
.character:focus-visible .character-img {
  filter: drop-shadow(0 4px 32px rgba(255, 179, 71, 0.65)) drop-shadow(0 0 16px rgba(255, 179, 71, 0.5));
  transform: scale(1.04) translateY(-6px);
}

/* CTA badge */
.character-cta {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--amber);
  background: rgba(13, 11, 8, 0.85);
  border: 1px solid var(--border-strong);
  padding: 4px 10px;
  border-radius: 2px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--ease-fast), transform var(--ease-fast);
  transform: translateX(-50%) translateY(4px);
  pointer-events: none;
  z-index: 20;
}

.character:hover .character-cta,
.character:focus-visible .character-cta {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Ground glow */
.character-base-glow {
  position: absolute;
  bottom: 56px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 20px;
  background: radial-gradient(ellipse at center, var(--amber-glow-lg), transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
  z-index: 1;
  pointer-events: none;
}

/* Nameplate */
.character-nameplate {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 14px 10px;
  background: rgba(13, 11, 8, 0.8);
  border: 1px solid var(--border);
  border-top: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color var(--ease-fast), background var(--ease-fast);
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 200px;
}

.character:hover .character-nameplate,
.character:focus-visible .character-nameplate {
  border-color: var(--border-strong);
  background: rgba(20, 18, 12, 0.92);
  border-top-color: var(--amber);
}

.nameplate-codename {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--amber-dim);
  text-transform: uppercase;
}

.nameplate-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  text-align: center;
  line-height: 1.2;
}

.nameplate-category {
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  text-align: center;
}

/* ── 7. CASE STUDY PANEL ────────────────────────────────────────────── */
.csp-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 4, 2, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 199;
  display: none;
  opacity: 0;
  animation: backdropIn var(--ease-med) forwards;
}

.csp-backdrop.visible {
  display: block;
}

/* Dossier window — near-fullscreen, centred */
.case-study-panel {
  --p-text:      #ebe3cd;
  --p-text-dim:  #b9ad8f;
  --p-line:      rgba(255, 179, 71, 0.22);
  position: fixed;
  top: 50%;
  left: 50%;
  width: min(1280px, 96vw);
  height: min(94vh, 980px);
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(255,179,71,0.10), transparent 60%),
    linear-gradient(180deg, #15130d 0%, #0f0d08 100%);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translate(-50%, -46%) scale(0.97);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.35s ease;
  box-shadow: 0 40px 120px rgba(0,0,0,0.75), 0 0 0 1px rgba(255,179,71,0.06), 0 0 80px rgba(255,179,71,0.08);
}
.case-study-panel.open {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  pointer-events: auto;
}

/* Top bar */
.csp-topbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 1px solid var(--p-line);
  flex-shrink: 0;
  background: rgba(8, 7, 4, 0.85);
}
.csp-topbar-left { display: flex; align-items: center; gap: 14px; }
.csp-codename { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.2em; color: var(--amber); }
.csp-sep { color: var(--p-text-dim); opacity: .5; }
.csp-category-label { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.14em; color: var(--p-text-dim); text-transform: uppercase; }
.csp-close-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  background: transparent;
  cursor: pointer;
  transition: background var(--ease-fast), color var(--ease-fast);
}
.csp-close-btn:hover { background: var(--amber); color: var(--bg-base); }
.csp-esc-hint { opacity: .75; }
.csp-close-x { font-size: 0.95rem; }
.csp-progress {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--amber), var(--teal));
  box-shadow: 0 0 10px var(--amber-glow-lg);
}

.csp-scroll-body { flex: 1; overflow-y: auto; scroll-behavior: smooth; }
.csp-scroll-body::-webkit-scrollbar { width: 8px; }
.csp-scroll-body::-webkit-scrollbar-track { background: transparent; }
.csp-scroll-body::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }

/* Banner */
.csp-banner {
  position: relative;
  min-height: 340px;
  padding: 56px 56px 48px;
  display: flex;
  align-items: flex-end;
  border-bottom: 1px solid var(--p-line);
  overflow: hidden;
  isolation: isolate;
}
.csp-banner-art {
  position: absolute; top: 0; right: 0; bottom: 0; width: 62%;
  background-size: cover; background-position: center 28%;
  image-rendering: pixelated;
  opacity: .9;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 55%);
          mask-image: linear-gradient(to right, transparent 0%, #000 55%);
  z-index: -2;
}
.csp-banner::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(15,13,8,0.1) 0%, rgba(15,13,8,0.55) 60%, #0f0d08 100%);
}
.csp-banner-text { max-width: 640px; }
.csp-char-type {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.24em;
  color: var(--teal);
  margin-bottom: 14px;
}
.csp-project-name {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.2vw, 3.5rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #fff6e0;
  text-shadow: 0 2px 30px rgba(0,0,0,0.7);
  margin-bottom: 18px;
}
.csp-project-type {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--amber);
  padding: 6px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  background: rgba(8,7,4,0.55);
}

/* Layout: rail + main */
.csp-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 64px;
  padding: 52px 56px 40px;
  align-items: start;
}
.csp-rail { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 28px; }
.csp-rail-block { border-top: 1px solid var(--p-line); padding-top: 16px; }
.csp-rail-label {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.2em;
  color: var(--amber); margin-bottom: 10px; text-transform: uppercase;
}
.csp-rail-value { font-size: 1.1rem; line-height: 1.5; color: var(--p-text); }
.csp-rail-value.unconfirmed { color: var(--p-text-dim); font-style: italic; font-size: 1rem; }

.csp-tools-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.csp-tool-tag {
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.04em;
  color: var(--p-text);
  padding: 7px 12px;
  border: 1px solid var(--p-line);
  background: rgba(255,179,71,0.06);
  border-radius: 3px;
  transition: border-color var(--ease-fast), background var(--ease-fast);
}
.csp-tool-tag:hover { border-color: var(--amber); background: var(--amber-glow-md); }

/* Main column */
.csp-main { display: flex; flex-direction: column; gap: 56px; min-width: 0; }
.csp-lead {
  font-size: clamp(1.2rem, 1.9vw, 1.5rem);
  line-height: 1.6;
  font-weight: 300;
  color: #f4ecd6;
  padding-left: 22px;
  border-left: 3px solid var(--amber);
}
.csp-section-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 20px; }
.csp-section-num { font-family: var(--font-mono); font-size: 0.95rem; color: var(--amber); letter-spacing: 0.12em; }
.csp-section-title {
  font-family: var(--font-heading); font-size: 1.25rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: #fff6e0;
}
.csp-section-head::after { content: ""; flex: 1; height: 1px; background: var(--p-line); align-self: center; }
.csp-section-body { font-size: 1.1rem; line-height: 1.85; color: var(--p-text); max-width: 68ch; }
.csp-pending { color: var(--p-text-dim); font-style: italic; font-size: 1.05rem; }

/* Approach steps */
.csp-process-list { display: grid; gap: 14px; counter-reset: step; }
.csp-process-list li {
  counter-increment: step;
  position: relative;
  display: grid; grid-template-columns: 52px 1fr; gap: 18px; align-items: start;
  padding: 18px 22px;
  background: rgba(255,179,71,0.04);
  border: 1px solid var(--p-line);
  border-radius: 4px;
  font-size: 1.05rem; line-height: 1.7; color: var(--p-text);
  transition: border-color var(--ease-fast), background var(--ease-fast), transform var(--ease-fast);
}
.csp-process-list li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-heading); font-size: 1.35rem; font-weight: 700;
  color: var(--amber); line-height: 1.3;
}
.csp-process-list li:hover { border-color: var(--border-strong); background: var(--amber-glow); transform: translateX(4px); }

/* Outcome */
.csp-outcome {
  display: grid; grid-template-columns: auto 1fr; gap: 36px; align-items: center;
  padding: 30px 34px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(255,179,71,0.14), rgba(255,179,71,0.03));
  box-shadow: inset 0 0 40px rgba(255,179,71,0.05);
}
.csp-outcome.no-metric { grid-template-columns: 1fr; }
.csp-metric { text-align: center; padding-right: 36px; border-right: 1px solid var(--p-line); }
.csp-metric-value {
  font-family: var(--font-heading); font-weight: 900;
  font-size: clamp(2.6rem, 5vw, 4rem); line-height: 1;
  color: var(--amber); text-shadow: 0 0 30px var(--amber-glow-lg);
}
.csp-metric-label { margin-top: 10px; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--p-text-dim); }
.csp-outcome .csp-section-body { max-width: none; }

/* Context note */
.csp-context {
  display: flex; gap: 14px;
  padding: 18px 22px;
  border: 1px dashed var(--p-line);
  border-radius: 4px;
  font-size: 0.98rem; line-height: 1.7; color: var(--p-text-dim);
}
.csp-context-icon { color: var(--teal); font-size: 1.1rem; line-height: 1.5; }
.csp-context strong { color: var(--p-text); font-weight: 500; }

/* Prev / next */
.csp-pager {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  padding: 28px 56px 44px;
  border-top: 1px solid var(--p-line);
  margin-top: 8px;
}
.csp-pager-btn {
  display: flex; flex-direction: column; gap: 6px;
  padding: 18px 22px;
  border: 1px solid var(--p-line);
  border-radius: 4px;
  background: rgba(255,179,71,0.03);
  color: var(--p-text);
  text-align: left; cursor: pointer;
  transition: border-color var(--ease-fast), background var(--ease-fast), transform var(--ease-fast);
}
.csp-pager-btn.next { text-align: right; align-items: flex-end; }
.csp-pager-btn:hover { border-color: var(--amber); background: var(--amber-glow); transform: translateY(-2px); }
.csp-pager-dir { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--amber); }
.csp-pager-name { font-family: var(--font-heading); font-size: 1.05rem; letter-spacing: 0.04em; }

/* Staggered entrance */
.case-study-panel.open .csp-reveal { animation: cspUp 0.6s cubic-bezier(0.2,0.8,0.2,1) both; }
.case-study-panel.open .csp-reveal:nth-child(2) { animation-delay: .08s; }
.case-study-panel.open .csp-reveal:nth-child(3) { animation-delay: .16s; }
.case-study-panel.open .csp-reveal:nth-child(4) { animation-delay: .24s; }
.case-study-panel.open .csp-reveal:nth-child(5) { animation-delay: .32s; }
@keyframes cspUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

@media (max-width: 960px) {
  .case-study-panel { width: 100vw; height: 100dvh; top: 0; left: 0; border-radius: 0; border: 0;
    transform: translateY(24px); }
  .case-study-panel.open { transform: none; }
  .csp-topbar { padding: 12px 18px; }
  .csp-banner { min-height: 280px; padding: 36px 22px 32px; }
  .csp-banner-art { width: 100%; opacity: .55; }
  .csp-layout { grid-template-columns: 1fr; gap: 36px; padding: 32px 22px; }
  .csp-rail { position: static; }
  .csp-outcome { grid-template-columns: 1fr; gap: 20px; padding: 22px; }
  .csp-metric { border-right: 0; padding-right: 0; border-bottom: 1px solid var(--p-line); padding-bottom: 18px; text-align: left; }
  .csp-process-list li { grid-template-columns: 40px 1fr; padding: 16px; }
  .csp-pager { padding: 22px; grid-template-columns: 1fr; }
  .csp-pager-btn.next { text-align: left; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .case-study-panel.open .csp-reveal { animation: none; }
}

.csp-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 22px;
  background: var(--amber);
  color: var(--bg-base);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background var(--ease-fast), transform var(--ease-fast);
}

.btn-primary:hover {
  background: var(--amber-bright);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 22px;
  border: 1px solid var(--border-strong);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background var(--ease-fast), border-color var(--ease-fast);
}

.btn-secondary:hover {
  background: var(--amber-glow);
  border-color: var(--amber);
}

/* ── 8. ABOUT SECTION ───────────────────────────────────────────────── */
.about-section {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* Left column */
.about-bio {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 44px;
  font-size: 1rem;

/* ===== V3.2 THREE.JS WORKFLOOR ===== */
.three-lab-shell {
  position:relative; width:100%; height:clamp(560px,70vw,820px); min-height:560px;
  overflow:hidden; isolation:isolate; border:1px solid rgba(255,179,71,.24);
  background:radial-gradient(ellipse at 50% 75%,#23313b 0%,#101a24 52%,#080d13 100%);
  box-shadow:0 24px 80px rgba(0,0,0,.5),inset 0 0 80px rgba(0,0,0,.3);
}
#lab-3d-canvas { display:block; width:100%; height:100%; outline:none; touch-action:pan-y; }
#lab-3d-canvas:focus-visible { outline:2px solid var(--amber); outline-offset:-4px; }
.scene-topline { position:absolute; top:16px; left:18px; right:18px; display:flex; justify-content:space-between; z-index:3; pointer-events:none; color:rgba(225,232,225,.58); font:10px var(--font-mono); letter-spacing:.16em; text-shadow:0 1px 10px #000; }
.scene-live-dot { display:inline-block; width:7px; height:7px; border-radius:50%; margin-right:8px; background:#53e5c5; box-shadow:0 0 12px #53e5c5; }
.scene-hover-card { position:absolute; right:22px; bottom:22px; z-index:5; width:min(350px,calc(100% - 44px)); padding:18px 20px; border:1px solid var(--border-strong); border-left:3px solid var(--amber); background:rgba(8,12,17,.88); backdrop-filter:blur(14px); box-shadow:0 12px 40px rgba(0,0,0,.35); opacity:0; transform:translateY(10px); pointer-events:none; transition:opacity .22s ease,transform .22s ease; }
.scene-hover-card.is-visible { opacity:1; transform:translateY(0); pointer-events:auto; }
.scene-card-kicker { display:block; margin-bottom:7px; color:var(--teal); font:10px var(--font-mono); letter-spacing:.12em; }
.scene-hover-card strong { display:block; color:var(--text-primary); font:700 17px var(--font-heading); letter-spacing:.03em; }
.scene-hover-card p { margin:8px 0 13px; color:var(--text-secondary); font:13px/1.55 var(--font-body); }
.scene-hover-card button { padding:10px 13px; border:1px solid var(--amber); background:rgba(255,179,71,.08); color:var(--amber); cursor:pointer; font:10px var(--font-mono); letter-spacing:.12em; }
.scene-hover-card button:disabled { opacity:.5; cursor:default; }
.scene-loading,.scene-error { position:absolute; inset:0; z-index:6; display:flex; align-items:center; justify-content:center; flex-direction:column; gap:12px; padding:24px; text-align:center; color:var(--amber); background:rgba(5,9,14,.94); font:11px var(--font-mono); letter-spacing:.15em; }
.scene-loading[hidden],.scene-error[hidden] { display:none; }
.scene-loading-mark { display:grid; place-items:center; width:48px; height:48px; border:1px solid var(--amber); color:var(--amber); font:700 15px var(--font-heading); box-shadow:0 0 24px var(--amber-glow); }
.scene-error strong { color:var(--amber); font:700 15px var(--font-heading); }
.scene-error span { max-width:460px; white-space:pre-line; color:rgba(230,238,234,.8); font:12px/1.6 var(--font-body); letter-spacing:0; }
.scene-quicklinks { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:9px; margin-top:10px; }
.scene-quicklinks button { min-height:48px; padding:10px 12px; border:1px solid var(--border); background:rgba(10,14,19,.82); color:var(--text-secondary); text-align:left; font:9px var(--font-mono); letter-spacing:.08em; cursor:pointer; transition:border-color .2s ease,color .2s ease,background .2s ease; }
.scene-quicklinks button span { margin-right:7px; color:var(--teal); }
.scene-quicklinks button:hover,.scene-quicklinks button:focus-visible,.scene-quicklinks button.is-active { color:var(--amber); border-color:var(--amber); background:rgba(255,179,71,.08); }
.scene-quicklinks button:focus-visible { outline:2px solid var(--amber); outline-offset:3px; }
.lab-select-hint { display:flex; align-items:center; justify-content:center; gap:14px; margin-bottom:12px; color:var(--text-secondary); font:10px var(--font-mono); letter-spacing:.15em; text-align:center; }
.lab-select-hint .hint-line { flex:1; height:1px; background:linear-gradient(90deg,transparent,var(--border-strong)); }
.lab-select-hint .hint-line:last-child { transform:scaleX(-1); }
.lab-floor-label { display:flex; justify-content:space-between; margin-top:10px; color:var(--text-muted); font:9px var(--font-mono); letter-spacing:.14em; }
.lab-characters { position:relative; z-index:3; }
body.is-booting { overflow:hidden; }
.boot-screen { position:fixed; inset:0; z-index:9999; display:grid; place-items:center; padding:24px; background:radial-gradient(ellipse at 50% 40%,#1a2630 0%,#080c11 70%); transition:opacity .65s ease,visibility .65s ease; }
.boot-screen.is-done { opacity:0; visibility:hidden; pointer-events:none; }
.boot-noise { position:absolute; inset:0; pointer-events:none; opacity:.08; background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(255,255,255,.12) 4px); }
.boot-frame { position:relative; width:min(650px,100%); padding:24px; border:1px solid rgba(255,179,71,.35); background:rgba(8,12,17,.76); box-shadow:0 20px 80px #0009; }
.boot-topline,.boot-footer { display:flex; justify-content:space-between; gap:16px; color:var(--text-secondary); font:9px var(--font-mono); letter-spacing:.12em; }
.boot-brand { margin:36px 0 8px; color:var(--amber); font:900 clamp(64px,12vw,112px)/1 var(--font-heading); letter-spacing:.02em; text-shadow:0 0 32px var(--amber-glow-lg); }
.boot-bracket { color:var(--teal); }
.boot-kicker { color:var(--teal); font:10px var(--font-mono); letter-spacing:.2em; }
.boot-rule { height:1px; margin:24px 0; background:var(--border); }
.boot-rule span { display:block; width:34%; height:1px; background:var(--amber); box-shadow:0 0 12px var(--amber); }
.boot-terminal { min-height:104px; color:var(--amber); font:11px/2 var(--font-mono); }
.boot-line { opacity:0; transform:translateX(-5px); transition:opacity .25s ease,transform .25s ease; }
.boot-line.is-visible { opacity:1; transform:none; }
.boot-progress-track { height:3px; margin:20px 0 15px; background:rgba(255,255,255,.08); }
.boot-progress-track span { display:block; width:0; height:100%; background:linear-gradient(90deg,var(--amber),var(--teal)); box-shadow:0 0 10px var(--amber); transition:width .5s ease; }
.boot-skip { border:0; background:none; color:var(--amber); cursor:pointer; font:10px var(--font-mono); letter-spacing:.12em; }
.boot-skip:hover { color:var(--teal); }
@media(max-width:900px) { .scene-quicklinks { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(max-width:700px) {
  .three-lab-shell { height:820px; min-height:680px; }
  .scene-hover-card { right:12px; bottom:12px; width:calc(100% - 24px); padding:13px 14px; }
  .scene-hover-card p { font-size:.72rem; }
  .scene-quicklinks { gap:6px; margin-top:8px; }
  .scene-quicklinks button { min-height:45px; padding:8px; font-size:7px; letter-spacing:.045em; }
  .scene-topline { left:10px; right:10px; top:10px; font-size:8px; }
  .lab-floor-label { font-size:7px; }
}
@media(prefers-reduced-motion:reduce) {
  .boot-screen,.boot-line,.boot-progress-track span,.scene-hover-card,.scene-quicklinks button { transition:none !important; }
}