style.css

/* ============================================================
   ROCKET — premium static space
   Design language: obsidian + AMD red. One accent. Lots of space.
   ============================================================ */

:root {
  --red: #ED1C24;
  --red-bright: #ff4d4d;
  --red-dim: rgba(237, 28, 36, 0.15);
  --ink: #08080c;
  --ink-2: #0e0e16;
  --ink-3: #15151f;
  --line: #1f1f2a;
  --text: #f1f1f5;
  --text-dim: #9a9aa8;
  --text-faint: #6a6a78;
  --serif: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--serif);
  font-feature-settings: "ss01", "cv01";
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body {
  background:
    radial-gradient(1200px 600px at 80% 10%, rgba(237,28,36,0.10) 0%, transparent 50%),
    radial-gradient(900px 600px at 10% 60%, rgba(237,28,36,0.06) 0%, transparent 50%),
    linear-gradient(180deg, #050508 0%, #0a0a14 100%);
  min-height: 100vh;
}

/* ============================================================
   reveal-on-scroll
   ============================================================ */
/* reveal: starts hidden, becomes visible when .in is added.
   Safety net: if the inline failsafe script doesn't add .in within 1.2s,
   fall back to fully visible via animation. */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
  animation: revealFallback 0s ease 1.2s forwards;
}
@keyframes revealFallback {
  to { opacity: 1; transform: translateY(0); }
}
.reveal.in {
  opacity: 1 !important;
  transform: translateY(0) !important;
  animation: none;
}

/* ============================================================
   COSMIC BACKGROUND (Three.js scene)
   ============================================================ */
#cosmos {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
#bgCanvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: screen;
}

/* update body to deep-space gradient with red accents */
body {
  background:
    radial-gradient(1400px 800px at 80% 0%, rgba(237,28,36,0.18) 0%, transparent 55%),
    radial-gradient(1100px 700px at 5% 80%, rgba(120,40,180,0.18) 0%, transparent 55%),
    radial-gradient(900px 600px at 50% 50%, rgba(40,80,160,0.10) 0%, transparent 60%),
    linear-gradient(180deg, #03030a 0%, #06061a 50%, #0a0a18 100%);
}

/* hide native cursor only when JS has activated reticle (.has-reticle on body) */
body.has-reticle, body.has-reticle * { cursor: none !important; }

/* ============================================================
   CINEMATIC INTRO
   ============================================================ */
.intro {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background:
    radial-gradient(circle at 50% 50%, rgba(237,28,36,0.08) 0%, transparent 60%),
    linear-gradient(180deg, #02020a 0%, #06061a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.intro.gone { opacity: 0; visibility: hidden; pointer-events: none; }
.intro-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(237,28,36,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237,28,36,0.06) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(circle at 50% 50%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0%, transparent 75%);
  animation: gridDrift 20s linear infinite;
}
@keyframes gridDrift {
  to { background-position: 80px 80px; }
}
.intro-center {
  text-align: center;
  z-index: 1;
  max-width: 600px;
  padding: 0 30px;
}
.intro-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--red);
  margin-bottom: 18px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.1s;
}
.intro-title {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 6px;
  color: #fff;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.4s;
}
.intro-bar {
  height: 3px;
  background: rgba(255,255,255,0.05);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto 18px;
  width: 360px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.6s;
}
.intro-bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--red) 0%, var(--red-bright) 100%);
  box-shadow: 0 0 16px rgba(237,28,36,0.7);
  transition: width 1.4s cubic-bezier(0.4,0,0.2,1);
}
.intro-log {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 1px;
  height: 18px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.8s;
}
.intro-corner {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--red);
  opacity: 0;
  animation: fadeUp 0.5s ease forwards 1s;
}
.intro-tl { top: 30px; left: 30px; }
.intro-tr { top: 30px; right: 30px; }
.intro-bl { bottom: 30px; left: 30px; }
.intro-br { bottom: 30px; right: 30px; }

/* ============================================================
   RETICLE CURSOR
   ============================================================ */
#reticle {
  position: fixed;
  z-index: 9998;
  pointer-events: none;
  width: 36px;
  height: 36px;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.2s, width 0.2s ease, height 0.2s ease;
  mix-blend-mode: difference;
}
#reticle.live { opacity: 1; }
#reticle.hot {
  width: 48px;
  height: 48px;
}
#reticle.hot .ret-ring { border-color: var(--red); }
#reticle.hot .ret-dot { background: var(--red); }
.ret-ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  transition: border-color 0.2s;
}
.ret-dot {
  position: absolute;
  top: 50%; left: 50%;
  width: 3px; height: 3px;
  background: rgba(255,255,255,0.85);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: background 0.2s;
}
.ret-cross {
  position: absolute;
  background: rgba(255,255,255,0.4);
}
.ret-cross-h {
  top: 50%; left: -6px; right: -6px; height: 1px;
  transform: translateY(-50%);
}
.ret-cross-v {
  left: 50%; top: -6px; bottom: -6px; width: 1px;
  transform: translateX(-50%);
}

/* ============================================================
   MISSION-CONTROL CHART (HUD overlay)
   ============================================================ */
.chart-mission {
  padding: 22px 24px 26px !important;
  position: relative;
}
.chart-mission .cb {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--red);
}
.cb-tl { top: 10px; left: 10px; border-top: 1px solid; border-left: 1px solid; }
.cb-tr { top: 10px; right: 10px; border-top: 1px solid; border-right: 1px solid; }
.cb-bl { bottom: 10px; left: 10px; border-bottom: 1px solid; border-left: 1px solid; }
.cb-br { bottom: 10px; right: 10px; border-bottom: 1px solid; border-right: 1px solid; }

.hud-strip {
  display: flex;
  gap: 22px;
  padding: 12px 18px 16px;
  border-bottom: 1px dashed rgba(237,28,36,0.25);
  margin-bottom: 14px;
  flex-wrap: wrap;
  align-items: center;
}
.hud-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 70px;
}
.hud-l {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 2.5px;
  color: var(--text-faint);
}
.hud-v {
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.5px;
}
.hud-v.hud-red { color: var(--red); }
.hud-status {
  margin-left: auto;
  flex-direction: row;
  align-items: center;
  gap: 8px;
}
.hud-status .hud-l {
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--red);
}

.hud-tip {
  position: absolute;
  background: rgba(8, 8, 14, 0.92);
  border: 1px solid var(--red);
  border-radius: 8px;
  padding: 10px 14px;
  pointer-events: none;
  z-index: 5;
  min-width: 180px;
  opacity: 0;
  transition: opacity 0.15s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5), 0 0 24px rgba(237,28,36,0.15);
  backdrop-filter: blur(8px);
}
.hud-tip.live { opacity: 1; }
.hud-tip-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: #cfcfd6;
  margin-bottom: 4px;
}
.hud-tip-label {
  color: var(--text-faint);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 10px;
}
.hud-tip-emph { color: var(--red); font-weight: 700; }

/* trajectory enhancements (drawn by JS) */
.trajectory-stroke {
  fill: none;
  stroke: var(--red);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 12px rgba(237,28,36,0.7));
}
.trajectory-fill { fill: rgba(237,28,36,0.08); }
.waypoint-halo {
  fill: none;
  stroke: var(--red);
  stroke-width: 1.5;
  opacity: 0.5;
  transform-origin: center;
  transform-box: fill-box;
  animation: ping 2.4s ease-out infinite;
}
@keyframes ping {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(2.8); opacity: 0;   }
}
.waypoint-core {
  fill: var(--red);
  stroke: #fff;
  stroke-width: 2;
}
.waypoint-amber-core {
  fill: none;
  stroke: #fbbf24;
  stroke-width: 2.5;
}
.flux-particle {
  fill: var(--red-bright);
  filter: drop-shadow(0 0 6px var(--red));
}
.scrubber-line {
  stroke: rgba(255,255,255,0.5);
  stroke-width: 1;
  stroke-dasharray: 3 4;
  opacity: 0;
  transition: opacity 0.15s;
}
.scrubber-line.live { opacity: 1; }


/* ============================================================
   background canvas (drifting red glints)
   ============================================================ */
/* (kept for legacy, replaced by #cosmos above) */

/* ============================================================
   PAGED APP MODE — each section is a full-viewport "page"
   Activated by JS adding .pages-mode to <body>.
   ============================================================ */
body.pages-mode {
  overflow: hidden !important;
  height: 100vh;
}
body.pages-mode .pages-track {
  position: fixed;
  inset: 0;
  width: 100vw;
  z-index: 1;
  transition: transform 0.95s cubic-bezier(0.65, 0.05, 0.36, 1);
  will-change: transform;
}
body.pages-mode [data-rail-label] {
  position: absolute;
  left: 0;
  right: 0;
  width: 100vw;
  height: 100vh;
  top: calc(var(--page-idx) * 100vh);
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
/* sections that are inherently scrolling their content (long timeline / many cards)
   should justify-start to keep content from being centered+clipped */
body.pages-mode #trace,
body.pages-mode #toolbox,
body.pages-mode #stack {
  justify-content: flex-start;
  padding-top: 100px;
  padding-bottom: 60px;
}
body.pages-mode .hero { justify-content: center; }

/* hide native scrollbars on each page (still scrollable) */
body.pages-mode [data-rail-label]::-webkit-scrollbar { width: 4px; }
body.pages-mode [data-rail-label]::-webkit-scrollbar-thumb { background: rgba(237,28,36,0.3); border-radius: 2px; }

/* page transition: outgoing fades and slightly scales down,
   incoming slides up and fades in */
body.pages-mode [data-rail-label] {
  opacity: 0.4;
  transform: scale(0.96);
  transition: opacity 0.6s ease, transform 0.6s ease, top 0s;
  pointer-events: none;
}
body.pages-mode [data-rail-label].is-current {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

/* page indicator badge — bottom right corner, distinct from topbar */
.page-indicator {
  position: fixed;
  bottom: 28px;
  right: 36px;
  z-index: 200;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(8, 8, 14, 0.7);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(237, 28, 36, 0.2);
  backdrop-filter: blur(8px);
}
.page-indicator .pi-num { color: var(--red); font-weight: 700; }
.page-indicator .pi-bar {
  width: 60px;
  height: 2px;
  background: rgba(255,255,255,0.08);
  border-radius: 1px;
  position: relative;
  overflow: hidden;
}
.page-indicator .pi-fill {
  position: absolute;
  inset: 0;
  width: 0;
  background: var(--red);
  transition: width 0.5s cubic-bezier(0.2,0.8,0.2,1);
}

/* arrow-key hint badge at the bottom */
.kbd-hint {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-faint);
  pointer-events: none;
  opacity: 0;
  animation: hintFadeIn 0.6s ease 1.2s forwards, hintFadeOut 0.6s ease 5s forwards;
}
@keyframes hintFadeIn { to { opacity: 1; } }
@keyframes hintFadeOut { to { opacity: 0; } }
.kbd-key {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  padding: 2px 6px;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-weight: 700;
}

/* the hero in pages mode — minimum touch up since flex centering can squish */
body.pages-mode .hero {
  padding: 0 48px;
  min-height: 100vh;
}
body.pages-mode .hero-die {
  position: absolute;
}
body.pages-mode .hero-inner {
  width: 100%;
}

/* ============================================================
   FLOATING SIDE NAV RAIL
   ============================================================ */
.side-rail {
  position: fixed;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 99;
  display: flex;
  align-items: center;
  gap: 14px;
  pointer-events: none;
}
.rail-track {
  position: relative;
  width: 2px;
  height: 60vh;
  background: rgba(255,255,255,0.06);
  border-radius: 1px;
}
.rail-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--red) 0%, var(--red-bright) 100%);
  border-radius: 1px;
  box-shadow: 0 0 12px rgba(237,28,36,0.7);
  transition: height 0.15s ease-out;
}
.rail-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  pointer-events: auto;
}
.rail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  position: relative;
  padding: 4px 0;
}
.rail-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
}
.rail-item.active .rail-dot {
  background: var(--red);
  width: 12px;
  height: 12px;
  box-shadow: 0 0 16px rgba(237,28,36,0.9);
}
.rail-item.active .rail-dot::after {
  content: "";
  position: absolute;
  inset: -6px;
  border: 1px solid var(--red);
  border-radius: 50%;
  opacity: 0.4;
  animation: railPulse 1.8s ease-out infinite;
}
@keyframes railPulse {
  0% { transform: scale(0.8); opacity: 0.6; }
  100% { transform: scale(2.2); opacity: 0; }
}
.rail-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-faint);
  text-transform: uppercase;
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.25s ease;
  white-space: nowrap;
}
.rail-item:hover .rail-label,
.rail-item.active .rail-label {
  opacity: 1;
  transform: translateX(0);
  color: var(--text);
}
.rail-item.active .rail-label {
  color: var(--red-bright);
  font-weight: 700;
}
@media (max-width: 1100px) {
  .side-rail { display: none; }
}

/* ============================================================
   SECTION SIGNATURE ENTRANCES (per-section custom animations)
   ============================================================ */

/* default: none until JS adds .anim-in to the section */
[data-rail-label] {
  opacity: 1;
  position: relative;
}

/* hero: fade in everything (intro stuff) */
.hero { animation: heroEnter 1.2s cubic-bezier(0.2,0.8,0.2,1) both; }
@keyframes heroEnter {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* speedup section: zoom in dramatically when reaching it */
.speedup-section.anim-in .speedup-mega {
  animation: zoomBoom 1.2s cubic-bezier(0.2,0.8,0.2,1) both;
}
@keyframes zoomBoom {
  0% { transform: scale(0.4); filter: blur(20px); opacity: 0; }
  60% { transform: scale(1.05); filter: blur(0); opacity: 1; }
  100% { transform: scale(1); filter: blur(0); opacity: 1; }
}

/* race section: panels slide in from sides */
.race-section.anim-in .race-baseline { animation: slideInL 0.9s cubic-bezier(0.2,0.8,0.2,1) both; }
.race-section.anim-in .race-rocket   { animation: slideInR 0.9s cubic-bezier(0.2,0.8,0.2,1) both 0.1s; }
@keyframes slideInL {
  from { opacity: 0; transform: translateX(-60px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}
@keyframes slideInR {
  from { opacity: 0; transform: translateX(60px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

/* stack section: meter zoom + cards stagger */
.stack-section.anim-in .stack-meter {
  animation: zoomBoom 0.9s cubic-bezier(0.2,0.8,0.2,1) both;
}
.stack-section.anim-in .stack-card {
  animation: stackCardIn 0.6s cubic-bezier(0.2,0.8,0.2,1) both;
}
.stack-section.anim-in .stack-card:nth-child(1) { animation-delay: 0.10s; }
.stack-section.anim-in .stack-card:nth-child(2) { animation-delay: 0.18s; }
.stack-section.anim-in .stack-card:nth-child(3) { animation-delay: 0.26s; }
.stack-section.anim-in .stack-card:nth-child(4) { animation-delay: 0.34s; }
.stack-section.anim-in .stack-card:nth-child(5) { animation-delay: 0.42s; }
@keyframes stackCardIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* why section: cards stagger from below with rotate */
.why.anim-in .why-card {
  animation: whyCardIn 0.7s cubic-bezier(0.2,0.8,0.2,1) both;
}
.why.anim-in .why-card:nth-child(1) { animation-delay: 0.10s; }
.why.anim-in .why-card:nth-child(2) { animation-delay: 0.20s; }
.why.anim-in .why-card:nth-child(3) { animation-delay: 0.30s; }
.why.anim-in .why-card:nth-child(4) { animation-delay: 0.40s; }
@keyframes whyCardIn {
  from { opacity: 0; transform: translateY(40px) rotate(-2deg); }
  to { opacity: 1; transform: translateY(0) rotate(0); }
}

/* journey section: chart frame masks in left-to-right */
#journey.anim-in .chart-frame {
  animation: maskInRight 1.1s cubic-bezier(0.65,0.05,0.36,1) both;
}
@keyframes maskInRight {
  from { clip-path: inset(0 100% 0 0); opacity: 0; }
  to { clip-path: inset(0 0 0 0); opacity: 1; }
}

/* trace section: timeline cards cascade from left */
#trace.anim-in .tl-step {
  animation: traceIn 0.55s cubic-bezier(0.2,0.8,0.2,1) both;
}
#trace.anim-in .tl-step:nth-child(1) { animation-delay: 0.10s; }
#trace.anim-in .tl-step:nth-child(2) { animation-delay: 0.20s; }
#trace.anim-in .tl-step:nth-child(3) { animation-delay: 0.30s; }
#trace.anim-in .tl-step:nth-child(4) { animation-delay: 0.40s; }
#trace.anim-in .tl-step:nth-child(5) { animation-delay: 0.50s; }
@keyframes traceIn {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* toolbox section: cards flip in 3D */
#toolbox.anim-in .tool-card {
  animation: flipIn 0.7s cubic-bezier(0.2,0.8,0.2,1) both;
  transform-style: preserve-3d;
  transform-origin: bottom center;
}
#toolbox.anim-in .tool-card:nth-child(1) { animation-delay: 0.10s; }
#toolbox.anim-in .tool-card:nth-child(2) { animation-delay: 0.20s; }
#toolbox.anim-in .tool-card:nth-child(3) { animation-delay: 0.30s; }
#toolbox.anim-in .tool-card:nth-child(4) { animation-delay: 0.40s; }
#toolbox.anim-in .tool-card:nth-child(5) { animation-delay: 0.50s; }
@keyframes flipIn {
  from { opacity: 0; transform: perspective(900px) rotateX(45deg) translateY(40px); }
  to { opacity: 1; transform: perspective(900px) rotateX(0) translateY(0); }
}

/* architecture: nodes appear with arrows drawing */
#architecture.anim-in .arch-node {
  animation: archNodeIn 0.6s cubic-bezier(0.2,0.8,0.2,1) both;
}
#architecture.anim-in .arch-node:nth-of-type(1) { animation-delay: 0.10s; }
#architecture.anim-in .arch-node:nth-of-type(2) { animation-delay: 0.30s; }
#architecture.anim-in .arch-node:nth-of-type(3) { animation-delay: 0.50s; }
#architecture.anim-in .arch-node:nth-of-type(4) { animation-delay: 0.70s; }
#architecture.anim-in .arch-arrow {
  animation: archArrowIn 0.4s ease both;
}
#architecture.anim-in .arch-arrow:nth-of-type(1) { animation-delay: 0.25s; }
#architecture.anim-in .arch-arrow:nth-of-type(2) { animation-delay: 0.45s; }
#architecture.anim-in .arch-arrow:nth-of-type(3) { animation-delay: 0.65s; }
@keyframes archNodeIn {
  from { opacity: 0; transform: scale(0.85) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes archArrowIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 0.6; transform: translateX(0); }
}

/* CTA: zoom in + glow pulse */
#cta.anim-in .cta-inner {
  animation: ctaIn 1s cubic-bezier(0.2,0.8,0.2,1) both;
}
@keyframes ctaIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* Section dividers — drawn line that animates in */
[data-rail-label]:not(.hero):not(.cta)::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--red) 50%, transparent 100%);
  transform: translateX(-50%);
  pointer-events: none;
  transition: width 1.2s cubic-bezier(0.2,0.8,0.2,1);
}
[data-rail-label].anim-in:not(.hero):not(.cta)::before {
  width: 60%;
}

/* magnetic cursor effect — handled in JS, this is the visual response */
.tilt, .stack-card, .tool-card, .why-card, .replay-btn, .btn, .hero-cta {
  transition: transform 0.18s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ============================================================
   topbar
   ============================================================ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 36px;
  z-index: 100;
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  background: rgba(8, 8, 12, 0.6);
  border-bottom: 1px solid var(--line);
}
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  font-size: 22px;
  filter: drop-shadow(0 0 8px rgba(237,28,36,0.6));
}
.brand-name {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.5px;
}
.topbar-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
}
.dot-live {
  box-shadow: 0 0 0 0 rgba(237, 28, 36, 0.6);
  animation: pulse 1.6s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(237, 28, 36, 0.55); }
  70% { box-shadow: 0 0 0 12px rgba(237, 28, 36, 0); }
  100% { box-shadow: 0 0 0 0 rgba(237, 28, 36, 0); }
}
.topbar-status {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 1.5px;
}

/* ============================================================
   hero
   ============================================================ */
.hero {
  position: relative;
  padding: 200px 48px 120px;
  min-height: 92vh;
  display: flex;
  align-items: center;
  z-index: 1;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 5px;
  color: var(--red);
  margin-bottom: 28px;
  opacity: 0.92;
}
.hero-title {
  font-size: clamp(72px, 13vw, 200px);
  font-weight: 900;
  line-height: 0.86;
  letter-spacing: -8px;
  color: #fff;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}
.hero-title .word {
  color: #ffffff;
}
.hero-title .accent {
  color: var(--red);
  text-shadow:
    0 0 24px rgba(237,28,36,0.55),
    0 0 60px rgba(237,28,36,0.35);
}
.hero-title .bolt {
  font-size: 0.7em;
  display: inline-block;
  animation: zap 2.4s ease-in-out infinite;
  filter: drop-shadow(0 0 28px rgba(237,28,36,0.75));
  margin-left: 18px;
  transform-origin: center;
  color: var(--red);
  -webkit-text-fill-color: var(--red);
}
@keyframes zap {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 28px rgba(237,28,36,0.75));
  }
  45% {
    transform: scale(1.08);
    filter: drop-shadow(0 0 60px rgba(237,28,36,1));
  }
  50% {
    transform: scale(1.06) translateX(2px);
  }
  55% {
    transform: scale(1.08) translateX(-2px);
  }
}

.hero-sub {
  margin-top: 36px;
  font-size: clamp(20px, 1.8vw, 26px);
  color: #c8c8d2;
  max-width: 780px;
  line-height: 1.45;
  font-weight: 400;
}
.hero-sub em {
  color: var(--red-bright);
  font-style: normal;
  font-weight: 600;
}

.hero-pills {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(237, 28, 36, 0.08);
  border: 1px solid rgba(237, 28, 36, 0.3);
  color: var(--red-bright);
  text-transform: uppercase;
}
.pill-strong {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 0 32px rgba(237,28,36,0.5);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 44px;
  padding: 14px 22px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all 0.25s ease;
}
.hero-cta:hover {
  background: rgba(237,28,36,0.12);
  border-color: var(--red);
  color: var(--red-bright);
  transform: translateY(-2px);
}

.hero-die {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 720px;
  height: 720px;
  opacity: 0.45;
  z-index: 1;
  pointer-events: none;
  animation: slowSpin 90s linear infinite;
}
@keyframes slowSpin {
  from { transform: translateY(-50%) rotate(0deg); }
  to { transform: translateY(-50%) rotate(360deg); }
}

@media (max-width: 900px) {
  .hero-die { display: none; }
  .hero { padding: 140px 24px 80px; }
  .hero-title { letter-spacing: -3px; }
}

/* ============================================================
   speedup mega stat
   ============================================================ */
.speedup-section {
  position: relative;
  padding: 120px 48px;
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 50%, rgba(237,28,36,0.08) 0%, transparent 60%);
}
.speedup-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--red);
  margin-bottom: 24px;
}
.speedup-mega {
  font-size: clamp(140px, 22vw, 320px);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -16px;
  background: linear-gradient(160deg, #ffffff 0%, var(--red) 70%, var(--red-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 60px rgba(237,28,36,0.35));
  animation: glow 3s ease-in-out infinite;
}
@keyframes glow {
  0%, 100% { filter: drop-shadow(0 0 60px rgba(237,28,36,0.35)); }
  50% { filter: drop-shadow(0 0 100px rgba(237,28,36,0.55)); }
}
.speedup-x {
  display: inline-block;
  margin-left: -8px;
}
.speedup-caption {
  margin-top: 32px;
  font-family: var(--mono);
  font-size: 22px;
  color: var(--text-dim);
}
.speedup-caption .num { color: #fff; font-weight: 700; }
.speedup-caption .num.emph { color: var(--red); font-size: 28px; }
.speedup-caption .arrow { color: var(--red); margin: 0 8px; }
.speedup-caption .unit { color: var(--text-faint); margin-left: 8px; font-size: 16px; }

.speedup-meta {
  margin-top: 14px;
  font-size: 14px;
  color: var(--text-faint);
}

/* ============================================================
   LIVE TERMINAL — faux orchestrator session
   ============================================================ */
.terminal-section {
  padding: 70px 48px 30px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.terminal-wrap {
  background: #0a0a12;
  border: 1px solid #1f1f2a;
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(237,28,36,0.12),
    0 30px 80px rgba(0,0,0,0.6),
    0 0 60px rgba(237,28,36,0.12);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: linear-gradient(180deg, #15151f 0%, #10101a 100%);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
}
.terminal-bar .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}
.terminal-bar .dot-r { background: #ff5f57; }
.terminal-bar .dot-y { background: #febc2e; }
.terminal-bar .dot-g { background: #28c840; }
.terminal-title {
  margin-left: 14px;
  letter-spacing: 0.3px;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.terminal-status {
  font-family: var(--mono);
  font-size: 11px;
  color: #28c840;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.terminal-screen {
  padding: 22px 26px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  color: #d4d4dc;
  min-height: 320px;
  max-height: 420px;
  overflow-y: auto;
  background:
    repeating-linear-gradient(0deg, transparent 0, transparent 22px, rgba(255,255,255,0.012) 22px, rgba(255,255,255,0.012) 23px);
  scroll-behavior: smooth;
}
.terminal-screen::-webkit-scrollbar { width: 8px; }
.terminal-screen::-webkit-scrollbar-thumb { background: #2a2a3a; border-radius: 4px; }
.term-line { display: block; opacity: 0; transform: translateY(4px); transition: all 0.3s ease; }
.term-line.in { opacity: 1; transform: none; }
.term-info { color: #9ec5ff; }
.term-good { color: #28c840; }
.term-warn { color: #fbbf24; }
.term-red  { color: var(--red-bright); }
.term-faint { color: var(--text-faint); }
.term-bold { color: #fff; font-weight: 700; }
.term-banner {
  color: var(--red);
  font-weight: 700;
  letter-spacing: 1px;
  white-space: pre;
  display: block;
  line-height: 1.1;
  filter: drop-shadow(0 0 16px rgba(237,28,36,0.4));
}
.term-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--red);
  vertical-align: text-bottom;
  margin-left: 4px;
  animation: blink 1.05s step-end infinite;
}

/* ============================================================
   PROFILE BREAKDOWN — bars that mutate as stack toggles
   ============================================================ */
.profile-breakdown {
  margin-top: 50px;
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-3) 100%);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 36px 36px 28px;
}
.profile-head { margin-bottom: 24px; }
.profile-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--red);
  margin-bottom: 8px;
}
.profile-title {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.8px;
  margin-bottom: 6px;
}
.profile-sub {
  color: var(--text-dim);
  font-size: 15px;
}
.profile-bars { display: flex; flex-direction: column; gap: 12px; }
.pbar-row {
  display: grid;
  grid-template-columns: 140px 1fr 60px;
  align-items: center;
  gap: 14px;
}
.pbar-name {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  text-align: right;
  white-space: nowrap;
}
.pbar-track {
  height: 22px;
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}
.pbar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--red) 0%, var(--red-bright) 100%);
  box-shadow: 0 0 12px rgba(237,28,36,0.35);
  transition: width 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.3s ease;
  border-radius: 6px;
}
.pbar-pct {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  text-align: right;
  font-weight: 600;
}
.profile-foot {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.profile-stat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-faint);
  margin-bottom: 4px;
}
.profile-stat-val {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--red);
  font-variant-numeric: tabular-nums;
}
.profile-stat-val .unit {
  font-size: 14px;
  color: var(--text-dim);
  font-weight: 400;
}

/* ============================================================
   PREMIUM POLISH — cursor glow + tilt + parallax
   ============================================================ */
#cursorGlow {
  position: fixed;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(237,28,36,0.18) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 1;
  mix-blend-mode: screen;
  transition: opacity 0.25s ease;
  opacity: 0;
}
#cursorGlow.live { opacity: 1; }

.tilt { transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1); will-change: transform; }

/* ============================================================
   TOKEN RACE — the visceral side-by-side
   ============================================================ */
.race-section {
  padding: 100px 48px;
  max-width: 1300px;
  margin: 0 auto;
}
.race-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 30px;
}
@media (max-width: 800px) { .race-grid { grid-template-columns: 1fr; } }

.race-panel {
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-3) 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.race-rocket {
  border-color: rgba(237,28,36,0.45);
  box-shadow: 0 0 50px rgba(237,28,36,0.15);
  background:
    radial-gradient(circle at 30% 20%, rgba(237,28,36,0.08) 0%, transparent 60%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink-3) 100%);
}
.race-head {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.race-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  color: var(--text-dim);
  font-weight: 700;
}
.race-tag.glow {
  background: var(--red);
  color: #fff;
  box-shadow: 0 0 16px rgba(237,28,36,0.6);
}
.race-spec {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.5px;
}
.race-tps {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 14px;
  color: #fff;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.race-screen {
  padding: 20px 22px 12px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  min-height: 220px;
  background:
    repeating-linear-gradient(0deg, transparent 0, transparent 24px, rgba(255,255,255,0.015) 24px, rgba(255,255,255,0.015) 25px);
}
.race-prompt {
  color: var(--red-bright);
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}
.race-output {
  color: #d4d4dc;
  white-space: pre-wrap;
  word-break: break-word;
}
.race-cursor {
  display: inline-block;
  color: var(--red);
  margin-left: 2px;
  animation: blink 1.05s step-end infinite;
  opacity: 0;
}
.race-cursor.live { opacity: 1; }
@keyframes blink {
  50% { opacity: 0; }
}
.race-bar {
  height: 4px;
  background: rgba(255,255,255,0.05);
  position: relative;
  margin-top: auto;
}
.race-bar-fill {
  height: 100%;
  width: 0;
  background: rgba(255,255,255,0.4);
  transition: width 0.08s linear;
}
.race-bar-bright .race-bar-fill { background: var(--red); box-shadow: 0 0 12px rgba(237,28,36,0.7); }

.race-controls {
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.race-controls .replay-btn { position: static; }
.race-meta {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
}

/* won/lost label appears when race finishes */
.race-result {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--red);
  font-weight: 700;
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity 0.3s;
}
.race-result.in { opacity: 1; }


/* ============================================================
   INTERACTIVE STACK
   ============================================================ */
.stack-section {
  padding: 100px 48px;
  max-width: 1300px;
  margin: 0 auto;
}
.stack-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 28px;
  align-items: start;
  margin-top: 30px;
}
@media (max-width: 900px) { .stack-wrapper { grid-template-columns: 1fr; } }

.stack-meter {
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-3) 100%);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 36px 32px;
  position: sticky;
  top: 90px;
  text-align: center;
}
.stack-meter-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--red);
  margin-bottom: 18px;
}
.stack-meter-num {
  font-size: 120px;
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -6px;
  color: #fff;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(160deg, #ffffff 0%, var(--red) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(237,28,36,0.3));
  transition: filter 0.4s;
}
.stack-meter-num.bumping { filter: drop-shadow(0 0 60px rgba(237,28,36,0.7)); }
.stack-meter-num .x { font-size: 70px; margin-left: -4px; }

.stack-meter-bar {
  height: 10px;
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  margin: 26px 0 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.stack-meter-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--red) 0%, var(--red-bright) 100%);
  box-shadow: 0 0 12px rgba(237,28,36,0.6);
  transition: width 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.stack-meter-tps {
  font-family: var(--mono);
  font-size: 17px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
.stack-meter-tps .emph { color: var(--red); font-weight: 700; }
.stack-meter-tps .arr { color: var(--red); margin: 0 6px; }
.stack-meter-tps .unit { color: var(--text-faint); margin-left: 4px; font-size: 14px; }

.stack-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.stack-card {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 18px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 22px;
  cursor: pointer;
  transition: all 0.25s ease;
  user-select: none;
}
.stack-card:hover {
  border-color: rgba(237,28,36,0.4);
  transform: translateX(4px);
}
.stack-card.on {
  border-color: var(--red);
  background:
    radial-gradient(circle at 0% 50%, rgba(237,28,36,0.12) 0%, transparent 60%),
    var(--ink-3);
  box-shadow: 0 0 24px rgba(237,28,36,0.15);
}
.stack-card-toggle {
  width: 40px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--line);
  position: relative;
  transition: all 0.2s ease;
}
.stack-card-toggle::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-dim);
  top: 2px;
  left: 2px;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}
.stack-card.on .stack-card-toggle {
  background: rgba(237,28,36,0.4);
  border-color: var(--red);
}
.stack-card.on .stack-card-toggle::after {
  background: var(--red);
  left: 20px;
  box-shadow: 0 0 10px rgba(237,28,36,0.7);
}
.stack-card-body { min-width: 0; }
.stack-card-name {
  font-family: var(--mono);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}
.stack-card-desc {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.4;
}
.stack-card-mult {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--red);
  font-variant-numeric: tabular-nums;
  text-align: right;
  min-width: 56px;
}
.stack-card.off .stack-card-mult { color: var(--text-faint); }

/* a tiny spark when a stack card is toggled on */
@keyframes spark {
  0% { box-shadow: 0 0 0 0 rgba(237,28,36,0.6); }
  100% { box-shadow: 0 0 0 24px rgba(237,28,36,0); }
}
.stack-card.spark { animation: spark 0.6s ease-out; }


/* ============================================================
   why grid (differentiator cards)
   ============================================================ */
.why {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.why-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--red);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.why-h {
  font-size: clamp(34px, 4.5vw, 52px);
  font-weight: 800;
  letter-spacing: -1.5px;
  color: #fff;
  line-height: 1.05;
  margin-bottom: 16px;
  max-width: 880px;
}
.why-sub {
  color: var(--text-dim);
  font-size: 18px;
  line-height: 1.6;
  max-width: 720px;
  margin-bottom: 50px;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.why-card {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px 28px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.why-card:hover {
  transform: translateY(-4px);
  border-color: rgba(237, 28, 36, 0.5);
  box-shadow: 0 16px 60px rgba(237, 28, 36, 0.1);
}
.why-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--red);
  margin-bottom: 18px;
}
.why-card h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
  color: #fff;
}
.why-card p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.6;
}
.why-card p strong { color: var(--text); font-weight: 600; }
.why-card p em { color: var(--red-bright); font-style: normal; font-weight: 500; }

/* ============================================================
   generic section
   ============================================================ */
.section {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.section-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--red);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(34px, 4.5vw, 56px);
  font-weight: 800;
  letter-spacing: -1.5px;
  color: #fff;
  line-height: 1.05;
  margin-bottom: 20px;
}
.section-sub {
  color: var(--text-dim);
  font-size: 18px;
  max-width: 720px;
  line-height: 1.55;
  margin-bottom: 50px;
}
.section-sub .legend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 18px;
  font-size: 14px;
  color: var(--text-dim);
}
.dot-red { background: var(--red); }
.dot-amber { background: #fbbf24; }

/* ============================================================
   chart
   ============================================================ */
.chart-frame {
  position: relative;
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-3) 100%);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 30px 30px 26px;
  overflow: hidden;
}
#journeyChart {
  width: 100%;
  height: 380px;
  display: block;
}
.replay-btn {
  position: absolute;
  top: 22px;
  right: 22px;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--red);
  color: #fff;
  border: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 0 24px rgba(237,28,36,0.4);
}
.replay-btn:hover {
  background: var(--red-bright);
  transform: translateY(-1px);
}

/* SVG chart styling (set by JS) */
.axis-line { stroke: var(--line); stroke-width: 1; }
.axis-grid { stroke: var(--line); stroke-width: 0.5; stroke-dasharray: 3 6; opacity: 0.6; }
.axis-label { fill: var(--text-faint); font-family: var(--mono); font-size: 11px; }

.line-trace {
  fill: none;
  stroke: var(--red);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 8px rgba(237,28,36,0.5));
}
.line-fill { fill: rgba(237, 28, 36, 0.08); }
.point-kept {
  fill: var(--red);
  stroke: #fff;
  stroke-width: 2;
}
.point-rev {
  fill: none;
  stroke: #fbbf24;
  stroke-width: 2.5;
}
.point-label {
  fill: #fff;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
}
.point-label.dim { fill: #fbbf24; opacity: 0.85; }

/* ============================================================
   timeline
   ============================================================ */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--red) 0%, var(--line) 100%);
  opacity: 0.4;
}
.tl-step {
  position: relative;
  background: linear-gradient(90deg, rgba(237, 28, 36, 0.04) 0%, transparent 30%);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  border-radius: 0 14px 14px 0;
  padding: 22px 26px 22px 60px;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateX(-12px);
}
.tl-step.in {
  opacity: 1;
  transform: translateX(0);
}
.tl-step:hover {
  border-color: rgba(237, 28, 36, 0.4);
  border-left-color: var(--red-bright);
  background: linear-gradient(90deg, rgba(237, 28, 36, 0.08) 0%, transparent 50%);
}
.tl-step.reverted {
  border-left-color: #fbbf24;
  opacity: 0.7;
}
.tl-step.reverted.in { opacity: 0.7; }
.tl-step::before {
  content: attr(data-step);
  position: absolute;
  left: 14px;
  top: 22px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ink-3);
  border: 2px solid var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--red);
}
.tl-step.reverted::before { border-color: #fbbf24; color: #fbbf24; }

.tl-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}
.tl-tool {
  font-family: var(--mono);
  font-size: 14px;
  color: #fff;
  font-weight: 600;
}
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-right: 10px;
  background: rgba(237, 28, 36, 0.15);
  color: var(--red-bright);
}
.badge.warn { background: rgba(251, 191, 36, 0.15); color: #fbbf24; }
.tl-result {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--red);
  font-weight: 600;
}
.tl-result.warn { color: #fbbf24; }
.tl-reasoning {
  color: #d4d4dc;
  font-size: 16px;
  line-height: 1.55;
  font-style: italic;
  margin: 10px 0 8px;
}
.tl-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
}

/* ============================================================
   tools grid
   ============================================================ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.tool-card {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 20px;
  transition: all 0.3s ease;
}
.tool-card:hover {
  transform: translateY(-3px) scale(1.01);
  border-color: rgba(237, 28, 36, 0.4);
  background: var(--ink-3);
}
.tool-icon {
  font-size: 26px;
  margin-bottom: 12px;
}
.tool-name {
  display: block;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: rgba(237, 28, 36, 0.1);
  padding: 4px 8px;
  border-radius: 6px;
  width: fit-content;
  margin-bottom: 12px;
}
.tool-card p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.55;
}
.tool-card code {
  background: rgba(237, 28, 36, 0.12);
  color: var(--red-bright);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--mono);
}

/* ============================================================
   architecture flow
   ============================================================ */
.arch-flow {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.arch-node {
  flex: 1;
  min-width: 180px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  position: relative;
}
.arch-node-brain {
  border-color: var(--red);
  background: linear-gradient(180deg, rgba(237,28,36,0.08) 0%, var(--ink-2) 100%);
  box-shadow: 0 0 36px rgba(237,28,36,0.15);
}
.arch-node-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2.5px;
  color: var(--red);
  margin-bottom: 10px;
  font-weight: 700;
}
.arch-node-sub {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
}
.arch-node-out {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
}
.arch-arrow {
  display: flex;
  align-items: center;
  font-size: 28px;
  color: var(--red);
  opacity: 0.6;
}
.arch-loop {
  text-align: center;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-top: 10px;
}

@media (max-width: 800px) {
  .arch-arrow { transform: rotate(90deg); }
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
  text-align: center;
  padding: 140px 48px;
  position: relative;
  background: radial-gradient(circle at 50% 30%, rgba(237,28,36,0.12) 0%, transparent 60%);
  border-top: 1px solid var(--line);
}
.cta-inner { max-width: 720px; margin: 0 auto; }
.cta h2 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -1.5px;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 16px;
}
.cta p {
  color: var(--text-dim);
  font-size: 18px;
  line-height: 1.5;
}
.cta-row {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.25s ease;
}
.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 8px 32px rgba(237,28,36,0.35);
}
.btn-primary:hover {
  background: var(--red-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(237,28,36,0.5);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover {
  border-color: var(--red);
  color: var(--red-bright);
}
.cta-foot {
  margin-top: 60px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-faint);
  line-height: 2;
}
.cta-sig {
  margin-top: 26px;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}
.cta-sig-name {
  color: #fff;
  font-weight: 700;
  position: relative;
  background: linear-gradient(90deg, #fff 0%, var(--red-bright) 120%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.5px;
}

/* ============================================================
   misc
   ============================================================ */
::selection {
  background: var(--red);
  color: #fff;
}