/* ======================================================================
   Deniz Jafari — site.css
   Operator interface: gunmetal + arc-reactor cyan + repulsor amber
   ====================================================================== */

:root {
  /* Core palette */
  --bg-0: #05070c;
  --bg-1: #0a0f1a;
  --bg-2: #0f1626;
  --bg-3: #141d31;
  --line: #1c2a44;
  --line-bright: #29406a;

  /* Holo + signal */
  --ink: #e6f1ff;
  --ink-dim: #9fb3cf;
  --ink-mute: #5d6f8c;

  --cyan: #2ad4ff;
  --cyan-soft: #6be3ff;
  --cyan-deep: #0a7fa8;
  --amber: #ffb547;
  --amber-soft: #ffd083;
  --red: #ff4d6a;
  --green: #4dffae;

  --grad-arc: radial-gradient(circle at 50% 50%, rgba(42,212,255,0.55) 0%, rgba(42,212,255,0) 70%);
  --grad-amber: radial-gradient(circle at 50% 50%, rgba(255,181,71,0.45) 0%, rgba(255,181,71,0) 70%);

  /* Typography */
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Share Tech Mono", ui-monospace, monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-cyan: 0 0 0 1px rgba(42,212,255,0.18), 0 18px 50px -22px rgba(42,212,255,0.45);
  --shadow-card: 0 1px 0 rgba(255,255,255,0.03) inset, 0 24px 60px -30px rgba(0,0,0,0.85);

  --max: 1240px;
  --gutter: clamp(20px, 4vw, 56px);
}

/* -------- Reset -------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

img, svg, video { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; transition: color .2s, opacity .2s; }
a:hover { color: var(--cyan-soft); }
button { font: inherit; }

/* Soft global grid + scanline + vignette */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(42,212,255,0.035) 1px, transparent 1px) 0 0/100% 4px,
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(42,212,255,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 110% 110%, rgba(255,181,71,0.07) 0%, transparent 60%);
  mix-blend-mode: screen;
  z-index: 1;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.55) 100%);
  z-index: 2;
}

/* -------- Selection + scrollbar -------- */
::selection { background: rgba(42,212,255,0.35); color: #fff; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--cyan-deep), var(--cyan));
  border-radius: 4px;
}

/* ============== TOPBAR ============== */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: 14px var(--gutter);
  background: linear-gradient(180deg, rgba(5,7,12,0.92), rgba(5,7,12,0.72));
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(42,212,255,0.18);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.topbar::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: .55;
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ink);
  text-transform: uppercase;
  font-size: 14px;
  display: inline-flex; align-items: center; gap: 10px;
}
.brand-mark::before {
  content: "";
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan), 0 0 22px rgba(42,212,255,0.55);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.6); opacity: 0.6; }
}
.nav-links { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav-links a {
  position: relative;
  color: var(--ink-dim);
  padding: 8px 12px;
  border-radius: 6px;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.12em;
}
.nav-links a:hover { color: var(--ink); background: rgba(42,212,255,0.08); }
.nav-links a[aria-current="page"] {
  color: var(--cyan);
  background: rgba(42,212,255,0.10);
}
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px;
  height: 1px; background: var(--cyan);
}
.nav-cta {
  margin-left: 8px;
  border: 1px solid rgba(42,212,255,0.45) !important;
  color: var(--cyan) !important;
  background: linear-gradient(180deg, rgba(42,212,255,0.08), rgba(42,212,255,0.02)) !important;
}
.nav-cta:hover { box-shadow: var(--shadow-cyan); }

/* ============== BUTTONS ============== */
.button {
  --btn-bg: rgba(255,255,255,0.04);
  --btn-fg: var(--ink);
  --btn-bd: rgba(255,255,255,0.12);
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border: 1px solid var(--btn-bd);
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
}
.button::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.18) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform .6s ease;
}
.button:hover { transform: translateY(-1px); }
.button:hover::before { transform: translateX(120%); }

.button.primary {
  --btn-bg: linear-gradient(135deg, rgba(42,212,255,0.95), rgba(42,212,255,0.55));
  --btn-fg: #051420;
  --btn-bd: transparent;
  font-weight: 700;
  box-shadow: 0 12px 40px -12px rgba(42,212,255,0.7), inset 0 0 0 1px rgba(255,255,255,0.18);
}
.button.primary:hover { box-shadow: 0 18px 60px -10px rgba(42,212,255,0.85); }

.button.amber {
  --btn-bg: linear-gradient(135deg, rgba(255,181,71,0.95), rgba(255,181,71,0.55));
  --btn-fg: #1a0d00;
  --btn-bd: transparent;
  font-weight: 700;
  box-shadow: 0 12px 40px -12px rgba(255,181,71,0.7);
}

.button.secondary {
  --btn-bg: transparent;
  --btn-fg: var(--cyan);
  --btn-bd: rgba(42,212,255,0.5);
}
.button.secondary:hover { --btn-bg: rgba(42,212,255,0.08); }

.button.ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink-dim);
  --btn-bd: rgba(255,255,255,0.16);
}

/* ============== HERO ============== */
.hero {
  position: relative;
  min-height: min(96vh, 920px);
  padding: 120px var(--gutter) 80px;
  overflow: hidden;
  display: flex; align-items: center;
  isolation: isolate;
}
.hero__bg {
  position: absolute; inset: 0;
  z-index: -2;
  overflow: hidden;
}
.hero__bg video, .hero__bg img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(108%) brightness(0.68) contrast(1.14);
}
.hero__bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 46% 54%, rgba(0,0,0,0.38) 0%, rgba(0,0,0,0.24) 18%, transparent 42%),
    linear-gradient(180deg, rgba(5,7,12,0.18) 0%, rgba(5,7,12,0.52) 68%, rgba(5,7,12,0.88) 100%),
    radial-gradient(ellipse at 30% 30%, rgba(42,212,255,0.20), transparent 58%),
    radial-gradient(ellipse at 80% 80%, rgba(255,181,71,0.14), transparent 58%);
}
.hero__bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(42,212,255,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42,212,255,0.10) 1px, transparent 1px);
  background-size: 56px 56px, 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  opacity: 0.45;
}

.hero__layout {
  position: relative;
  width: 100%; max-width: var(--max); margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0,1.15fr) minmax(0,0.85fr);
  gap: 60px;
  align-items: center;
}

.hero__content { position: relative; z-index: 2; }

.hero__telemetry {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 8px 14px;
  border: 1px solid rgba(42,212,255,0.35);
  border-radius: 999px;
  background: rgba(42,212,255,0.06);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--cyan-soft);
}
.hero__telemetry .live {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: pulse-dot 1.4s ease-in-out infinite;
}

.hero__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(56px, 11vw, 148px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin: 18px 0 8px;
  background: linear-gradient(180deg, #ffffff 10%, #cfe7ff 60%, #2ad4ff 110%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  text-shadow: 0 0 60px rgba(42,212,255,0.25);
}
.hero__name .glitch {
  position: relative;
  display: inline-block;
}
.hero__name .glitch::before,
.hero__name .glitch::after {
  content: attr(data-text);
  position: absolute; inset: 0;
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  pointer-events: none;
}
.hero__name .glitch::before {
  text-shadow: -2px 0 var(--cyan);
  animation: glitch-1 4.5s infinite steps(1);
}
.hero__name .glitch::after {
  text-shadow: 2px 0 var(--amber);
  animation: glitch-2 5.2s infinite steps(1);
}
@keyframes glitch-1 {
  0%, 96% { clip-path: inset(0 0 100% 0); }
  97% { clip-path: inset(20% 0 60% 0); transform: translate(-2px,1px); }
  98% { clip-path: inset(60% 0 10% 0); transform: translate(2px,-1px); }
  99% { clip-path: inset(40% 0 40% 0); transform: translate(-1px,1px); }
}
@keyframes glitch-2 {
  0%, 94% { clip-path: inset(0 0 100% 0); }
  95% { clip-path: inset(50% 0 30% 0); transform: translate(2px,-1px); }
  97% { clip-path: inset(10% 0 70% 0); transform: translate(-2px,2px); }
}

.hero__role {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--ink-dim);
  font-size: 12px;
  margin: 0 0 24px;
}
.hero__role b { color: var(--cyan); font-weight: 600; }

.hero__lead {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-dim);
  max-width: 56ch;
  margin: 0 0 32px;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }

.hero__chips {
  display: flex; flex-wrap: wrap; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
}
.hero__chips span {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 999px;
  color: var(--ink-dim);
  background: rgba(255,255,255,0.02);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.hero__chips span::before {
  content: "▸";
  color: var(--cyan);
  font-size: 9px;
}

/* Arc reactor */
.arc-reactor {
  position: relative;
  width: min(520px, 78vw);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  filter: drop-shadow(0 0 30px rgba(42,212,255,0.45));
}
.arc-reactor svg { width: 100%; height: 100%; }
.spin-slow { animation: spin 22s linear infinite; transform-origin: 50% 50%; }
.spin-med { animation: spin 11s linear infinite reverse; transform-origin: 50% 50%; }
.spin-fast { animation: spin 6s linear infinite; transform-origin: 50% 50%; }
@keyframes spin { to { transform: rotate(360deg); } }

.arc-reactor::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
  background: var(--grad-arc);
  filter: blur(40px);
  z-index: -1;
  animation: pulse-glow 4s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%,100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 0.95; transform: scale(1.08); }
}

/* HUD corner brackets */
.hud {
  position: relative;
}
.hud::before, .hud::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border: 1px solid var(--cyan);
  opacity: 0.7;
}
.hud::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.hud::after { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }

/* ============== SIGNAL STRIP ============== */
.signal-strip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  margin: -40px var(--gutter) 0;
  background:
    linear-gradient(180deg, rgba(15,22,38,0.95), rgba(10,15,26,0.95)),
    radial-gradient(circle at 50% 0%, rgba(42,212,255,0.18), transparent 60%);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  z-index: 5;
}
.signal-strip > div {
  padding: 22px 24px;
  border-right: 1px dashed rgba(42,212,255,0.16);
  font-family: var(--font-mono);
  font-size: 12px;
  position: relative;
}
.signal-strip > div:last-child { border-right: 0; }
.signal-strip strong {
  display: block;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 11px;
  margin-bottom: 6px;
}
.signal-strip span {
  color: var(--ink-dim);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0;
}
.signal-strip > div::before {
  content: "//";
  position: absolute; top: 22px; right: 16px;
  color: rgba(42,212,255,0.35);
  font-family: var(--font-mono);
  font-size: 11px;
}

/* ============== SECTIONS ============== */
.section { position: relative; padding: 110px var(--gutter); }
.section.alt { background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 50%, var(--bg-0) 100%); }
.section.dark { background: var(--bg-1); }
.section__inner { max-width: var(--max); margin: 0 auto; position: relative; z-index: 2; }

.section-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 60px;
}
.section-heading h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--ink);
}
.section-heading h2 .accent {
  background: linear-gradient(135deg, var(--cyan), var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-heading p {
  color: var(--ink-dim);
  margin: 0;
  font-size: 16px;
  max-width: 56ch;
  justify-self: end;
}

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--cyan);
  font-size: 11px;
  margin: 0 0 12px;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before {
  content: "—";
  color: var(--cyan);
}

/* ============== MISSION ============== */
.mission-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: 60px;
  align-items: center;
}
.statement {
  position: relative;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(15,22,38,0.7), rgba(10,15,26,0.7));
  backdrop-filter: blur(8px);
}
.statement .pull {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.8vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--ink);
}
.statement .pull em {
  font-style: normal;
  background: linear-gradient(120deg, var(--cyan), var(--amber-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.statement p { color: var(--ink-dim); margin: 0 0 14px; }

/* Visual frame for the SVG / diagram */
.visual-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  margin: 0;
  background:
    radial-gradient(ellipse at center, rgba(42,212,255,0.12), transparent 60%),
    linear-gradient(180deg, rgba(15,22,38,0.9), rgba(5,7,12,0.9));
  overflow: hidden;
}
.visual-frame img, .visual-frame svg { filter: drop-shadow(0 0 30px rgba(42,212,255,0.2)); }
.visual-caption {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
  text-transform: uppercase;
}
.visual-caption .pulse {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse-dot 1.4s ease-in-out infinite;
}

/* ============== RESEARCH GRID ============== */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.research-card {
  position: relative;
  padding: 32px 28px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(20,29,49,0.6), rgba(10,15,26,0.6));
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
  overflow: hidden;
}
.research-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at var(--mx,50%) var(--my,0%), rgba(42,212,255,0.18), transparent 40%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.research-card:hover {
  transform: translateY(-4px);
  border-color: rgba(42,212,255,0.4);
}
.research-card:hover::before { opacity: 1; }
.research-card .card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(42,212,255,0.18), rgba(42,212,255,0.04));
  border: 1px solid rgba(42,212,255,0.35);
  color: var(--cyan);
  margin-bottom: 18px;
  font-size: 20px;
}
.research-card.amber .card-icon {
  background: linear-gradient(135deg, rgba(255,181,71,0.18), rgba(255,181,71,0.04));
  border-color: rgba(255,181,71,0.4);
  color: var(--amber);
}
.research-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.research-card p { color: var(--ink-dim); margin: 0; font-size: 15px; }
.research-card .tag {
  position: absolute; top: 14px; right: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

/* ============== LIFESPAN LOOP ============== */
.lifeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(15,22,38,0.6), rgba(10,15,26,0.6));
  counter-reset: step;
}
.lifeline::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--amber), transparent);
  opacity: 0.35;
}
.lifeline-step {
  padding: 40px 32px;
  border-right: 1px dashed rgba(42,212,255,0.18);
  position: relative;
}
.lifeline-step:last-child { border-right: 0; }
.lifeline-step::before {
  content: counter(step, decimal-leading-zero);
  counter-increment: step;
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 14px;
}
.lifeline-step h3 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.lifeline-step p { color: var(--ink-dim); margin: 0; font-size: 15px; }

/* ============== FIELD LOG / GALLERY ============== */
.field-log {
  position: relative;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 110px;
  gap: 14px;
}
.gallery figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-1);
}
.gallery figure img,
.gallery figure video {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s ease, filter .4s ease;
  filter: saturate(85%) brightness(0.95);
}
.gallery figure:hover img,
.gallery figure:hover video {
  transform: scale(1.06);
  filter: saturate(110%) brightness(1.05);
}
.gallery figure::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6));
  opacity: 0; transition: opacity .3s ease;
  pointer-events: none;
}
.gallery figure:hover::after { opacity: 1; }
.gallery figure figcaption {
  position: absolute; left: 14px; bottom: 12px; right: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .3s, transform .3s;
  z-index: 2;
}
.gallery figure:hover figcaption { opacity: 1; transform: translateY(0); }

/* tile spans for visual rhythm */
.tile-a { grid-column: span 6; grid-row: span 4; }
.tile-b { grid-column: span 3; grid-row: span 2; }
.tile-c { grid-column: span 3; grid-row: span 2; }
.tile-d { grid-column: span 4; grid-row: span 3; }
.tile-e { grid-column: span 4; grid-row: span 3; }
.tile-f { grid-column: span 4; grid-row: span 3; }
.tile-g { grid-column: span 3; grid-row: span 2; }
.tile-h { grid-column: span 3; grid-row: span 2; }
.tile-i { grid-column: span 6; grid-row: span 3; }

/* HUD overlay on tiles */
.gallery figure .hud-corners {
  position: absolute; inset: 8px;
  pointer-events: none;
  z-index: 1;
  opacity: 0; transition: opacity .3s;
}
.gallery figure:hover .hud-corners { opacity: 1; }
.hud-corners::before, .hud-corners::after,
.hud-corners > span::before, .hud-corners > span::after {
  content: ""; position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--cyan);
}
.hud-corners::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.hud-corners::after { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.hud-corners > span::before { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.hud-corners > span::after { bottom: 0; right: 0; border-left: 0; border-top: 0; }

/* ============== TELEMETRY STATS ============== */
.telemetry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.metric {
  position: relative;
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15,22,38,0.7), rgba(10,15,26,0.7));
  font-family: var(--font-mono);
}
.metric .num {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.4vw, 50px);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--cyan), var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.metric .num--wide {
  font-size: clamp(30px, 3.4vw, 42px);
  letter-spacing: -0.05em;
}
.metric .label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11px;
  color: var(--ink-dim);
  margin-top: 10px;
  display: block;
}
.metric .joke {
  margin-top: 8px;
  color: var(--ink-mute);
  font-size: 12px;
  font-family: var(--font-body);
}

/* ============== CONTACT / DIRECT LINE ============== */
.contact-card {
  position: relative;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(ellipse at top right, rgba(42,212,255,0.18), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(255,181,71,0.12), transparent 60%),
    linear-gradient(180deg, rgba(20,29,49,0.85), rgba(10,15,26,0.85));
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  overflow: hidden;
}
.contact-card h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 44px);
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}
.contact-card .channels { display: flex; flex-direction: column; gap: 10px; margin-top: 22px; }
.channel {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(5,7,12,0.4);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-dim);
}
.channel i { color: var(--cyan); width: 18px; text-align: center; }
.channel:hover { border-color: rgba(42,212,255,0.5); color: var(--ink); }

.contact-form { display: grid; gap: 12px; }
.contact-form label {
  display: grid; gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(5,7,12,0.6);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  font-family: var(--font-mono);
  font-size: 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(42,212,255,0.18);
}
.contact-form button { justify-self: start; }
.form-status {
  margin: 0 0 8px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(42, 212, 255, 0.35);
  background: rgba(42, 212, 255, 0.10);
  color: var(--ink);
}

/* ============== SOCIAL ROW ============== */
.social-row { display: flex; gap: 12px; margin-top: 28px; }
.icon-link {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink-dim);
  transition: transform .2s, border-color .2s, color .2s, background .2s;
}
.icon-link:hover {
  color: var(--cyan);
  border-color: rgba(42,212,255,0.5);
  background: rgba(42,212,255,0.06);
  transform: translateY(-2px);
}

/* ============== INTERIOR PAGE HEROES ============== */
.page-hero {
  position: relative;
  padding: 110px var(--gutter) 60px;
  isolation: isolate;
  --page-hero-image: url("media/photos/DSCF9114_md.jpg");
  --page-hero-position: center 42%;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(5,7,12,0.76) 0%, rgba(5,7,12,0.42) 48%, rgba(5,7,12,0.70) 100%),
    linear-gradient(180deg, rgba(5,7,12,0.42) 0%, rgba(5,7,12,0.80) 100%),
    radial-gradient(ellipse at 20% 0%, rgba(42,212,255,0.18), transparent 60%),
    radial-gradient(ellipse at 100% 100%, rgba(255,181,71,0.10), transparent 60%),
    var(--page-hero-image);
  background-size: cover;
  background-position: var(--page-hero-position);
  z-index: -1;
}
.hero-education {
  --page-hero-image: url("media/photos/IMG_3452_md.jpg");
  --page-hero-position: center 46%;
}
.hero-teaching {
  --page-hero-image: url("media/photos/DSCF9809_md.jpg");
  --page-hero-position: center 40%;
}
.hero-academia {
  --page-hero-image: url("media/photos/DSCF8422_md.jpg");
  --page-hero-position: center 48%;
}
.hero-study {
  --page-hero-image: url("media/photos/DSCF7755_md.jpg");
  --page-hero-position: center 42%;
}
.hero-reads {
  --page-hero-image: url("media/photos/photo-2846_singular_display_fullPicture_md.jpg");
  --page-hero-position: center 52%;
}
.hero-contact {
  --page-hero-image: url("media/photos/DSCF9114_md.jpg");
  --page-hero-position: center 42%;
}
.hero-reflections {
  --page-hero-image: url("media/photos/IMG_2488_md.jpg");
  --page-hero-position: center 48%;
}
.page-hero__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: end;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1;
  margin: 8px 0 16px;
  background: linear-gradient(180deg, #fff, #cfe7ff 70%, #2ad4ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-hero__lead { color: var(--ink-dim); font-size: 17px; max-width: 60ch; }
.page-hero__aside { display: grid; gap: 12px; }
.page-note {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-dim);
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(5,7,12,0.45);
}
.page-note strong { color: var(--cyan); display: block; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 4px; }

/* ============== INTERIOR CONTENT ============== */
.content-stack { display: grid; gap: 18px; }
.content-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15,22,38,0.7), rgba(10,15,26,0.7));
}
.content-card.tint {
  background:
    radial-gradient(ellipse at top right, rgba(42,212,255,0.12), transparent 60%),
    linear-gradient(180deg, rgba(15,22,38,0.7), rgba(10,15,26,0.7));
}
.content-card h2,
.content-card h3 { font-family: var(--font-display); margin: 0 0 10px; }
.content-card p { color: var(--ink-dim); margin: 0 0 10px; }
.content-card ul { color: var(--ink-dim); padding-left: 20px; }
.content-card li { margin-bottom: 6px; }

.feature-callout {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(42,212,255,0.3);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(42,212,255,0.10), rgba(42,212,255,0.02)),
    rgba(15,22,38,0.6);
}
.feature-callout .card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(42,212,255,0.12);
  border: 1px solid rgba(42,212,255,0.35);
  color: var(--cyan);
  margin-bottom: 14px;
  font-size: 18px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.contact-list { display: grid; gap: 12px; padding: 0; margin: 0; }
.contact-list > div {
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(5,7,12,0.4);
}
.contact-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 4px;
}
.contact-list dd { margin: 0; color: var(--ink); }
.contact-list a { color: var(--cyan-soft); }

.embedded-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(5,7,12,0.4);
}
.embedded-form iframe { width: 100%; height: 760px; border: 0; background: transparent; }

/* List blocks for sub-pages */
.timeline { display: grid; gap: 14px; padding: 0; margin: 0; list-style: none; }
.timeline li {
  position: relative;
  padding: 18px 22px 18px 56px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(15,22,38,0.6), rgba(10,15,26,0.6));
}
.timeline li::before {
  content: "";
  position: absolute; left: 22px; top: 24px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.timeline strong { color: var(--cyan-soft); display: block; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 4px; }

/* tag rows */
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag-row span {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  background: rgba(5,7,12,0.4);
}

/* ============== ASK PANEL (legacy) ============== */
.ask-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(42,212,255,0.08), rgba(15,22,38,0.7));
}
.ask-panel h2 { font-family: var(--font-display); margin: 0 0 12px; font-size: clamp(24px, 3vw, 36px); }
.ask-panel p { color: var(--ink-dim); margin: 0; }

/* photo card legacy */
.photo-card { position: relative; border-radius: 18px; overflow: hidden; border: 1px solid var(--line); }
.photo-card img { width: 100%; height: auto; display: block; }
.photo-stack .photo-note {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
}
.life-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: center; }
.life-copy h2 { font-family: var(--font-display); font-size: clamp(28px, 3.6vw, 48px); margin: 0 0 14px; letter-spacing: -0.02em; }
.life-copy p { color: var(--ink-dim); }
.highlight { font-size: 18px; color: var(--ink); }

/* ============== FOOTER ============== */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-1);
  padding: 28px var(--gutter);
}
.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.site-footer__inner span:nth-child(2) { color: var(--ink-dim); text-transform: none; letter-spacing: 0.04em; }
.site-disclaimer {
  max-width: var(--max);
  margin: 18px auto 0;
  padding: 14px 16px;
  border: 1px solid rgba(42,212,255,0.18);
  border-radius: 14px;
  background: rgba(5,7,12,0.42);
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.06em;
}
.site-disclaimer strong {
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}
.site-disclaimer a { color: var(--cyan); }

/* ============== SCROLL REVEAL ============== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============== UTILITIES ============== */
.center-text { text-align: center; }
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-bright), transparent);
  margin: 60px 0;
}
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.section-tag::before { content: "▣"; color: var(--cyan); }

/* ============== RESPONSIVE ============== */
@media (max-width: 980px) {
  .hero { min-height: auto; padding: 90px var(--gutter) 60px; }
  .hero__layout { grid-template-columns: 1fr; gap: 40px; }
  .arc-reactor { width: min(380px, 70vw); }
  .section-heading { grid-template-columns: 1fr; gap: 14px; }
  .section-heading p { justify-self: start; }
  .mission-grid { grid-template-columns: 1fr; }
  .lifeline { grid-template-columns: 1fr; }
  .lifeline-step { border-right: 0; border-bottom: 1px dashed rgba(42,212,255,0.18); }
  .lifeline-step:last-child { border-bottom: 0; }
  .gallery { grid-template-columns: repeat(6, 1fr); grid-auto-rows: 100px; }
  .tile-a, .tile-i { grid-column: span 6; }
  .tile-b, .tile-c, .tile-g, .tile-h { grid-column: span 3; }
  .tile-d, .tile-e, .tile-f { grid-column: span 6; grid-row: span 3; }
  .contact-card { grid-template-columns: 1fr; padding: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .page-hero__inner { grid-template-columns: 1fr; }
  .signal-strip { grid-template-columns: 1fr 1fr; }
  .signal-strip > div { border-right: 0; border-bottom: 1px dashed rgba(42,212,255,0.16); }
  .ask-panel { grid-template-columns: 1fr; }
  .life-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .topbar { flex-wrap: wrap; gap: 8px; padding: 12px var(--gutter); }
  .nav-links { width: 100%; justify-content: flex-start; overflow-x: auto; }
  .signal-strip { grid-template-columns: 1fr; margin-top: -20px; }
  .gallery { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 90px; }
  .tile-a, .tile-i { grid-column: span 4; }
  .tile-b, .tile-c, .tile-g, .tile-h { grid-column: span 2; }
  .tile-d, .tile-e, .tile-f { grid-column: span 4; }
  .telemetry { grid-template-columns: 1fr 1fr; }
  .section { padding: 70px var(--gutter); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============== INTERIOR-PAGE STYLES (timeline, books, research-hero, principles) ============== */

/* Timeline list (education / teaching) */
.timeline-list {
  list-style: none;
  padding: 0; margin: 0;
  display: grid; gap: 14px;
  position: relative;
}
.timeline-list::before {
  content: "";
  position: absolute;
  left: 130px;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(42,212,255,0.35), rgba(255,181,71,0.25), transparent);
}
.timeline-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 18px 22px 18px 0;
  align-items: start;
  position: relative;
}
.timeline-item > div {
  padding: 16px 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(15,22,38,0.6), rgba(10,15,26,0.6));
  position: relative;
}
.timeline-item > div::before {
  content: "";
  position: absolute; left: -28px; top: 22px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan), 0 0 0 4px rgba(42,212,255,0.18);
}
.timeline-date {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  padding-top: 18px;
}
.timeline-title { font-family: var(--font-display); font-size: 18px; margin: 0 0 4px; letter-spacing: -0.01em; }
.timeline-meta { color: var(--ink-dim); margin: 0; font-size: 14px; }

/* content grid (used on education / academia / teaching) */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.content-card .card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(42,212,255,0.18), rgba(42,212,255,0.04));
  border: 1px solid rgba(42,212,255,0.35);
  color: var(--cyan);
  margin-bottom: 16px;
  font-size: 20px;
}
.content-card.tint .card-icon {
  background: linear-gradient(135deg, rgba(255,181,71,0.18), rgba(255,181,71,0.04));
  border-color: rgba(255,181,71,0.4);
  color: var(--amber);
}
.inline-link-button {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(42,212,255,0.45);
  border-radius: 999px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.inline-link-button:hover { background: rgba(42,212,255,0.08); }

.page-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

/* research hero (research.html) */
.research-hero {
  position: relative;
  padding: 110px var(--gutter) 60px;
  isolation: isolate;
  --page-hero-image: url("media/photos/IMG_2488_md.jpg");
  --page-hero-position: center 42%;
}
.research-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(5,7,12,0.76) 0%, rgba(5,7,12,0.42) 48%, rgba(5,7,12,0.70) 100%),
    linear-gradient(180deg, rgba(5,7,12,0.42) 0%, rgba(5,7,12,0.80) 100%),
    radial-gradient(ellipse at 80% 0%, rgba(42,212,255,0.18), transparent 60%),
    radial-gradient(ellipse at 0% 100%, rgba(255,181,71,0.10), transparent 60%),
    var(--page-hero-image);
  background-size: cover;
  background-position: var(--page-hero-position);
  z-index: -1;
}
.research-hero__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}
.research-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 78px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1;
  margin: 8px 0 16px;
  background: linear-gradient(180deg, #fff, #cfe7ff 70%, #2ad4ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.research-hero p { color: var(--ink-dim); font-size: 17px; max-width: 56ch; margin: 0 0 14px; }

.quote-band {
  padding: 60px var(--gutter);
  background:
    linear-gradient(180deg, rgba(42,212,255,0.08), rgba(255,181,71,0.05)),
    var(--bg-1);
  border-top: 1px solid rgba(42,212,255,0.2);
  border-bottom: 1px solid rgba(42,212,255,0.2);
}
.quote-band blockquote {
  max-width: var(--max);
  margin: 0 auto;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
  padding: 0;
  position: relative;
}
.quote-band blockquote::before {
  content: "“";
  font-size: 80px;
  line-height: 1;
  color: var(--cyan);
  position: absolute;
  left: -10px; top: -28px;
  opacity: 0.7;
}

/* principles & prompts grids (research.html) */
.principles-grid, .prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.principle-card, .prompt-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15,22,38,0.7), rgba(10,15,26,0.7));
}
.principle-card h3, .prompt-card h3 { font-family: var(--font-display); margin: 0 0 10px; }
.principle-card p, .prompt-card p { color: var(--ink-dim); margin: 0 0 12px; }
.prompt-card code {
  display: block;
  margin-top: 8px;
  padding: 12px 14px;
  background: rgba(5,7,12,0.6);
  border: 1px dashed rgba(42,212,255,0.2);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-soft);
  white-space: pre-wrap;
}

/* form-shell on study page */
.form-shell {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse at top right, rgba(42,212,255,0.12), transparent 60%),
    linear-gradient(180deg, rgba(15,22,38,0.7), rgba(10,15,26,0.7));
}
.form-shell h3 { font-family: var(--font-display); margin: 0 0 8px; }
.form-shell > p { color: var(--ink-dim); margin: 0 0 18px; font-size: 14px; }
.form-shell .form-group { display: grid; gap: 6px; margin-bottom: 14px; }
.form-shell label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.form-shell input,
.form-shell textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(5,7,12,0.6);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-shell textarea { min-height: 120px; resize: vertical; }
.form-shell input:focus,
.form-shell textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(42,212,255,0.18);
}

/* books grid (good-reads.html) */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 18px;
}
.book-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15,22,38,0.7), rgba(10,15,26,0.7));
  padding: 14px;
  transition: transform .25s ease, border-color .25s ease;
}
.book-card:hover { transform: translateY(-4px); border-color: rgba(42,212,255,0.45); }
.book-card a { color: var(--ink); display: block; }
.book-cover-container {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-2);
  margin-bottom: 12px;
}
.book-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  background:
    radial-gradient(ellipse at center, rgba(42,212,255,0.15), transparent 60%),
    linear-gradient(180deg, rgba(15,22,38,0.7), rgba(5,7,12,0.7));
}
.book-cover {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
}
.book-cover.is-missing { display: none; }
.book-summary-overlay {
  position: absolute; inset: 0;
  padding: 14px;
  background: linear-gradient(180deg, rgba(5,7,12,0.85), rgba(5,7,12,0.95));
  color: var(--ink);
  font-size: 12px;
  line-height: 1.45;
  overflow-y: auto;
  opacity: 0;
  transition: opacity .25s ease;
  z-index: 2;
}
.book-card:hover .book-summary-overlay { opacity: 1; }
.book-summary-overlay strong { color: var(--cyan); font-size: 13px; }
.book-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.book-author {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
}

/* reflections page */
.reflection-index {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.reflection-card {
  display: grid;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse at top right, rgba(42,212,255,0.10), transparent 60%),
    linear-gradient(180deg, rgba(15,22,38,0.68), rgba(10,15,26,0.78));
  color: var(--ink);
  min-height: 190px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.reflection-card:hover {
  transform: translateY(-3px);
  border-color: rgba(42,212,255,0.45);
  background:
    radial-gradient(ellipse at top right, rgba(42,212,255,0.16), transparent 62%),
    linear-gradient(180deg, rgba(15,22,38,0.76), rgba(10,15,26,0.82));
}
.reflection-card span,
.reflection-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.reflection-card strong {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.reflection-card p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 14px;
}
.reflection-feed .section__inner {
  max-width: 920px;
  display: grid;
  gap: 28px;
}
.reflection-entry {
  scroll-margin-top: 110px;
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse at 12% 0%, rgba(42,212,255,0.09), transparent 48%),
    linear-gradient(180deg, rgba(15,22,38,0.78), rgba(8,12,22,0.82));
  box-shadow: var(--shadow-card);
}
.reflection-entry h2 {
  margin: 8px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1;
  letter-spacing: -0.035em;
}
.reflection-entry p {
  color: var(--ink-dim);
  font-size: 17px;
  line-height: 1.8;
  margin: 0 0 16px;
}
.reflection-entry p:last-child { margin-bottom: 0; }
.reflection-kicker { margin: 0; color: var(--amber); }

/* page-hero h1 fallback (used by interior pages) */
.page-hero h1 + p, .page-hero p { margin: 6px 0; color: var(--ink-dim); }

/* Photo card (legacy on home page if used) */
.photo-stack { display: flex; flex-direction: column; }

/* Responsive nudges for new sections */
@media (max-width: 900px) {
  .research-hero__inner { grid-template-columns: 1fr; }
  .timeline-list::before { left: 12px; }
  .timeline-item { grid-template-columns: 100px 1fr; gap: 16px; }
  .timeline-item > div::before { left: -22px; }
}
@media (max-width: 600px) {
  .timeline-list::before { display: none; }
  .timeline-item { grid-template-columns: 1fr; gap: 6px; }
  .timeline-item > div { padding: 14px 18px; }
  .timeline-item > div::before { display: none; }
  .timeline-date { padding-top: 0; }
}

/* ============== CHAT MODAL ============== */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.chat-modal[hidden] { display: none; }
.chat-modal {
  position: fixed; inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: clamp(12px, 4vw, 40px);
}
.chat-modal__backdrop {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(42,212,255,0.08), rgba(0,0,0,0.55) 60%),
    rgba(5,7,12,0.78);
  backdrop-filter: blur(8px) saturate(140%);
  -webkit-backdrop-filter: blur(8px) saturate(140%);
  animation: fadeIn .25s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.chat-modal__panel {
  position: relative;
  width: min(720px, 100%);
  max-height: min(86vh, 760px);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(ellipse at top right, rgba(42,212,255,0.18), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(255,181,71,0.10), transparent 60%),
    linear-gradient(180deg, rgba(20,29,49,0.92), rgba(10,15,26,0.96));
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.7), 0 0 0 1px rgba(42,212,255,0.15);
  overflow: hidden;
  animation: panelIn .35s cubic-bezier(.2,.8,.2,1);
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(20px) scale(.97); }
  to { opacity: 1; transform: none; }
}

.chat-modal__head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 18px;
  padding: 22px 24px 14px;
  border-bottom: 1px dashed rgba(42,212,255,0.18);
}
.chat-modal__head h2 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}
.chat-close {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(5,7,12,0.4);
  color: var(--ink-dim);
  cursor: pointer;
  transition: color .2s, border-color .2s, background .2s;
}
.chat-close:hover {
  color: var(--cyan);
  border-color: rgba(42,212,255,0.5);
  background: rgba(42,212,255,0.08);
}

.chat-status {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  background: rgba(5,7,12,0.3);
  border-bottom: 1px solid rgba(42,212,255,0.12);
}
.chat-status .chat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}
.chat-status[data-mode="thinking"] .chat-dot {
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse-dot 1s ease-in-out infinite;
}
.chat-status[data-mode="error"] .chat-dot {
  background: var(--red);
  box-shadow: 0 0 10px var(--red);
}

.chat-log {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-behavior: smooth;
}
.chat-msg {
  display: flex;
  width: 100%;
  animation: msgIn .28s ease;
}
.chat-msg--user { justify-content: flex-end; }
.chat-msg--assistant { justify-content: flex-start; }
@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.chat-bubble {
  max-width: min(82%, 540px);
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15,22,38,0.85), rgba(10,15,26,0.85));
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink);
}
.chat-bubble p { margin: 0 0 8px; }
.chat-bubble p:last-child { margin: 0; }
.chat-bubble code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: rgba(42,212,255,0.12);
  padding: 1px 6px; border-radius: 4px;
}

.chat-msg--user .chat-bubble {
  border-color: rgba(42,212,255,0.5);
  background: linear-gradient(135deg, rgba(42,212,255,0.18), rgba(42,212,255,0.04));
  color: var(--ink);
}
.chat-msg--assistant .chat-bubble {
  border-left: 2px solid var(--cyan);
  border-top-left-radius: 6px;
}
.chat-msg--refusal .chat-bubble {
  border-color: rgba(255,77,106,0.45);
  border-left: 2px solid var(--red);
  background: linear-gradient(135deg, rgba(255,77,106,0.10), rgba(15,22,38,0.85));
  color: var(--ink-dim);
}
.chat-msg--thinking .chat-bubble {
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  position: relative;
}
.chat-msg--thinking .chat-bubble::after {
  content: "▮▮▮";
  display: inline-block;
  margin-left: 8px;
  letter-spacing: 2px;
  animation: thinkingDots 1.2s steps(3) infinite;
}
@keyframes thinkingDots {
  0%   { color: var(--ink-mute); }
  33%  { color: var(--cyan); }
  66%  { color: var(--ink-mute); }
  100% { color: var(--ink-mute); }
}

.chat-sources {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-top: 1px dashed rgba(42,212,255,0.18);
  padding-top: 6px;
}

.chat-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 14px 24px;
  border-top: 1px solid rgba(42,212,255,0.18);
  background: rgba(5,7,12,0.45);
}
.chat-form textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(5,7,12,0.6);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.45;
  resize: none;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  min-height: 48px;
  max-height: 160px;
}
.chat-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(42,212,255,0.18);
}
.chat-form button {
  align-self: end;
  height: 48px;
  padding: 0 20px;
}
.chat-form button.is-loading {
  opacity: .7; pointer-events: none;
}
.chat-form button.is-loading i {
  animation: spin 1s linear infinite;
}

.chat-foot {
  margin: 0;
  padding: 10px 24px 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  background: rgba(5,7,12,0.4);
}

@media (max-width: 600px) {
  .chat-modal { padding: 0; }
  .chat-modal__panel {
    width: 100%;
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
  }
  .chat-modal__head { padding: 16px 18px 10px; }
  .chat-status { padding: 8px 18px; }
  .chat-log { padding: 14px 18px; }
  .chat-form { padding: 12px 18px; grid-template-columns: 1fr; }
  .chat-form button { width: 100%; height: 44px; }
  .chat-foot { padding: 8px 18px 14px; }
}