/* 05 · Ronin Redline. Black void, red light-lines, perspective grid floor.
   Dark ("the grid") is the designed state; light is "the real world": pale concrete, deeper red.
   AA ratios: dark text #F2F2F4 on #050506 19.4:1, secondary #A3A3AD 8.1:1, red #FF3B2F as text 5.9:1,
   #0A0A0B on red button 6.0:1. Light text #0B0B0D on #EDEEF0 17.9:1, secondary #4A4C53 7.6:1,
   white on #C8170D 5.9:1, red #B3140B as text 6.2:1. */

:root {
  --font-display: "Michroma", "Segoe UI", system-ui, sans-serif;

  --bg-primary: #EDEEF0;
  --bg-secondary: #E1E3E6;
  --bg-elevated: #F8F8F9;
  --text-primary: #0B0B0D;
  --text-secondary: #4A4C53;
  --border-color: #C6C9CF;
  --primary-color: #C8170D;
  --primary-contrast: #FFFFFF;
  --secondary-color: #0B0B0D;
  --accent-color: #00788A;
  --glow-color: #FF3B2F;
  --focus-ring: #00788A;

  --shadow-glow: 0 0 0 1px rgb(255 59 47 / 0.45), 0 0 28px rgb(255 59 47 / 0.25);
  --art-placeholder-from: #0A0A0C;
  --art-placeholder-to: #1C0907;
  --art-silhouette: rgb(255 59 47 / 0.2);

  /* Variant-only values (not tokens: local to this page) */
  --void: #050506;
  --red-text: #B3140B;
  --grid-line: rgb(200 23 13 / 0.35);
  --horizon: rgb(255 59 47 / 0.35);
  --edge: #C6C9CF;
  --cut: 14px;
  --cut-sm: 10px;
}

[data-theme="dark"] {
  --bg-primary: #050506;
  --bg-secondary: #0B0B0D;
  --bg-elevated: #111114;
  --text-primary: #F2F2F4;
  --text-secondary: #A3A3AD;
  --border-color: #232328;
  --primary-color: #FF3B2F;
  --primary-contrast: #0A0A0B;
  --secondary-color: #F2F2F4;
  --accent-color: #4DE8FF;
  --glow-color: #FF3B2F;
  --focus-ring: #4DE8FF;
  --red-text: #FF3B2F;
  --grid-line: rgb(255 59 47 / 0.5);
  --horizon: rgb(255 59 47 / 0.55);
  --edge: #2A2A31;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: #050506;
    --bg-secondary: #0B0B0D;
    --bg-elevated: #111114;
    --text-primary: #F2F2F4;
    --text-secondary: #A3A3AD;
    --border-color: #232328;
    --primary-color: #FF3B2F;
    --primary-contrast: #0A0A0B;
    --secondary-color: #F2F2F4;
    --accent-color: #4DE8FF;
    --glow-color: #FF3B2F;
    --focus-ring: #4DE8FF;
    --red-text: #FF3B2F;
    --grid-line: rgb(255 59 47 / 0.5);
    --horizon: rgb(255 59 47 / 0.55);
    --edge: #2A2A31;
  }
}

::selection { background: var(--glow-color); color: #0A0A0B; }

/* ---------- Type ---------- */
h1, h2, h3 {
  font-weight: 400; /* Michroma ships one weight */
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
}
h1 { font-size: clamp(1.55rem, 0.85rem + 3.6vw, 3.5rem); }
h2 { font-size: clamp(1.2rem, 0.85rem + 1.8vw, 2.1rem); }
h3 { font-size: var(--text-base); letter-spacing: 0.04em; }

.hl { color: var(--red-text); }
[data-theme="dark"] .hl { text-shadow: 0 0 18px rgb(255 59 47 / 0.55); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .hl { text-shadow: 0 0 18px rgb(255 59 47 / 0.55); }
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--red-text);
  letter-spacing: 0.14em;
}
.tag::before {
  content: "";
  width: 18px; height: 2px;
  background: var(--glow-color);
  box-shadow: 0 0 8px var(--glow-color);
}

.section-head { display: grid; gap: var(--space-3); margin-bottom: var(--space-10); max-width: 46rem; }

/* ---------- Header ---------- */
.site-header {
  background: color-mix(in srgb, var(--bg-primary) 82%, transparent);
  border-bottom: 0;
}
.site-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glow-color) 50%, transparent);
  opacity: 0.8;
}
.brand { font-family: var(--font-display); font-weight: 400; font-size: var(--text-sm); letter-spacing: 0.12em; text-transform: uppercase; }
.brand__mark { color: var(--glow-color); filter: drop-shadow(0 0 6px rgb(255 59 47 / 0.6)); }
.site-nav__link { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; }
.theme-toggle, .theme-toggle__option { border-radius: 0; }

/* ---------- Angular buttons. The shape lives on ::before so focus outlines are never clipped. ---------- */
.btn--cut, .btn--line {
  position: relative;
  isolation: isolate;
  border: 0;
  border-radius: 0;
  background: none;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-inline: var(--space-6);
  --clip: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}
.btn--cut::before, .btn--line::before, .btn--line::after {
  content: "";
  position: absolute;
  z-index: -1;
  clip-path: var(--clip);
  transition: background-color var(--duration-fast) ease;
}
.btn--cut { color: var(--primary-contrast); }
.btn--cut::before { inset: 0; background: var(--primary-color); }
.btn--cut:hover { filter: drop-shadow(0 0 10px rgb(255 59 47 / 0.55)); }

.btn--line { color: var(--text-primary); }
.btn--line::before { inset: 0; background: var(--text-secondary); }
.btn--line::after { inset: 1px; background: var(--bg-primary); }
.btn--line:hover::before { background: var(--glow-color); }
.btn--line:hover { color: var(--red-text); }

/* ---------- Angular panel. 1px edge = clipped ::before behind a clipped surface ---------- */
.panel {
  --clip: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  position: relative;
  isolation: isolate;
  padding: var(--space-6);
  background: var(--edge);
  clip-path: var(--clip);
  transition: background-color var(--duration-base) ease;
}
.panel::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: -1;
  background: var(--bg-elevated);
  clip-path: var(--clip);
}
.panel::after { /* light-line along the top edge, lit on hover */
  content: "";
  position: absolute;
  top: 1px; left: var(--cut); right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--glow-color), transparent 70%);
  opacity: 0;
  transition: opacity var(--duration-base) ease;
}
.panel:hover { background: color-mix(in srgb, var(--glow-color) 70%, var(--edge)); }
.panel:hover::after { opacity: 1; }

/* ---------- Perspective grid floor (hero + CTA) ---------- */
.floor {
  position: absolute;
  inset: auto -50% 0 -50%;
  height: 40%;
  perspective: 320px;
  perspective-origin: 50% 0;
  pointer-events: none;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 35%);
          mask-image: linear-gradient(to bottom, transparent, #000 35%);
}
.floor__plane {
  position: absolute;
  inset: 0 0 -60% 0;
  transform: rotateX(68deg);
  transform-origin: 50% 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center 0;
  animation: floor-run 2.4s linear infinite;
}
@keyframes floor-run { to { background-position: center 56px; } }

.floor__trail {
  position: absolute;
  height: 3px;
  width: 30%;
  left: 0;
  background: linear-gradient(90deg, transparent, var(--glow-color) 85%, #fff);
  box-shadow: 0 0 12px var(--glow-color);
  animation: trail-run 5s linear infinite;
}
.floor__trail--a { top: 22%; }
.floor__trail--b {
  top: 46%;
  background: linear-gradient(90deg, transparent, var(--accent-color) 85%, #fff);
  box-shadow: 0 0 12px var(--accent-color);
  animation-duration: 7s;
  animation-delay: -3s;
  animation-direction: reverse;
}
@keyframes trail-run { from { transform: translateX(-100%); } to { transform: translateX(340%); } }

.horizon {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glow-color) 30% 70%, transparent);
  box-shadow: 0 0 40px 10px var(--horizon);
  pointer-events: none;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: radial-gradient(ellipse 80% 50% at 50% 45%, color-mix(in srgb, var(--glow-color) 8%, transparent), transparent 70%);
}
.hero .floor { z-index: -1; }
.hero .horizon { bottom: 40%; z-index: -1; }
.hero__inner {
  display: grid;
  gap: var(--space-10);
  padding-block: var(--space-12) var(--space-16);
}
.hero__copy { display: grid; gap: var(--space-6); align-content: center; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--text-secondary);
}
.hero__facts li::before { content: "▸ "; color: var(--red-text); }

/* Materialisation chamber: always the void, whatever the theme */
.chamber {
  position: relative;
  width: 100%;
  max-width: 22rem;
  margin-inline: auto;
  padding: var(--space-3);
  background: var(--void);
  border: 1px solid rgb(255 59 47 / 0.35);
  box-shadow: var(--shadow-glow);
}
.chamber .art-frame { border-radius: 0; }
.chamber .art-frame > img {
  object-fit: cover;
  animation: materialise 2.4s var(--ease-out) 0.3s both;
}
.chamber .art-frame.is-missing::after { background: var(--void); color: #A3A3AD; border-color: #2A2A31; }
@keyframes materialise {
  from { clip-path: inset(0 0 100% 0); }
  to { clip-path: inset(0 0 0 0); }
}
.chamber__beam {
  position: absolute;
  left: var(--space-3); right: var(--space-3);
  top: var(--space-3);
  height: 2px;
  background: #fff;
  box-shadow: 0 0 6px 2px var(--glow-color), 0 0 30px 6px rgb(255 59 47 / 0.6);
  opacity: 0;
  animation: beam 2.4s var(--ease-out) 0.3s both;
}
@keyframes beam {
  0% { opacity: 1; top: var(--space-3); }
  92% { opacity: 1; }
  100% { opacity: 0; top: calc(100% - var(--space-3) - 2px); }
}
.chamber__corner {
  position: absolute;
  width: 22px; height: 22px;
  border: 2px solid var(--glow-color);
  filter: drop-shadow(0 0 4px var(--glow-color));
}
.chamber__corner--tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.chamber__corner--tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.chamber__corner--bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.chamber__corner--br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.chamber__hud {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: #F2F2F4;
  background: rgb(5 5 6 / 0.7);
  padding: 2px 6px;
}
.chamber__hud--tl { top: var(--space-5); left: var(--space-5); }
.chamber__hud--br { bottom: var(--space-5); right: var(--space-5); color: #FF6A60; }

/* ---------- Telemetry strip ---------- */
.telemetry {
  background: var(--bg-secondary);
  border-block: 1px solid var(--border-color);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.telemetry__list {
  display: flex;
  min-width: max-content;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-mono);
  font-variant-numeric: tabular-nums;
}
.telemetry__list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  scroll-snap-align: start;
  border-left: 1px solid var(--border-color);
  white-space: nowrap;
}
.telemetry__list li:first-child { border-left: 0; }
.telemetry__list span { color: var(--text-secondary); font-size: var(--text-xs); }
.telemetry__list strong { font-weight: 500; }
.telemetry__live { color: var(--red-text); display: inline-flex; align-items: center; gap: var(--space-2); }
.telemetry__live::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--glow-color);
  box-shadow: 0 0 8px var(--glow-color);
  animation: blink 1.6s steps(2, jump-none) infinite;
}
@keyframes blink { 50% { opacity: 0.2; } }

/* ---------- Programs ---------- */
.programs__grid { display: grid; gap: var(--space-4); }
.program { display: grid; gap: var(--space-3); align-content: start; }
.program__ring { width: 44px; height: 44px; color: var(--glow-color); }
.program__id { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.14em; color: var(--text-secondary); }
.program p { color: var(--text-secondary); }
.program a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red-text);
  text-decoration: none;
}
.program a:hover { text-decoration: underline; }
.program--featured { background: color-mix(in srgb, var(--glow-color) 55%, var(--edge)); }

/* ---------- Cycle (Detect → Decide → Derez) ---------- */
.cycle { position: relative; }
.cycle__steps { display: grid; gap: var(--space-8); counter-reset: step; position: relative; }
.cycle__track { /* vertical on mobile */
  position: absolute;
  left: 21px; top: 0; bottom: 0;
  width: 2px;
  background: var(--border-color);
  overflow: hidden;
}
.cycle__track::after {
  content: "";
  position: absolute;
  left: 0; top: -30%;
  width: 100%; height: 30%;
  background: linear-gradient(to bottom, transparent, var(--glow-color) 85%, #fff);
  box-shadow: 0 0 10px var(--glow-color);
  animation: track-v 3.2s linear infinite;
}
@keyframes track-v { to { top: 100%; } }
.cycle__step { position: relative; display: grid; gap: var(--space-2); padding-left: 64px; }
.cycle__node {
  position: absolute;
  left: 0; top: 0;
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  background: var(--bg-secondary);
  border: 1px solid var(--glow-color);
  transform: rotate(45deg);
}
.cycle__node span { transform: rotate(-45deg); font-family: var(--font-mono); font-size: var(--text-xs); color: var(--red-text); }
.cycle__step p { color: var(--text-secondary); max-width: 34ch; }

/* ---------- Proof ---------- */
.proof__stat { font-size: clamp(1.2rem, 0.9rem + 1.6vw, 2rem); max-width: 30ch; margin-bottom: var(--space-10); }
.proof__quotes { display: grid; gap: var(--space-4); }
.quote { display: grid; gap: var(--space-4); }
.quote blockquote { font-size: var(--text-lg); }
.quote figcaption { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-mono); text-transform: uppercase; color: var(--text-secondary); }
.quote figcaption strong { color: var(--text-primary); font-weight: 500; display: block; }

/* ---------- Closing CTA ---------- */
.cta {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  text-align: center;
  padding-block: var(--space-16) clamp(10rem, 22vw, 15rem);
}
.cta .floor { z-index: -1; height: 42%; }
.cta .horizon { bottom: 42%; z-index: -1; }
.cta__inner { display: grid; gap: var(--space-6); justify-items: center; }
.cta .lead { margin-inline: auto; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border-color); padding-block: var(--space-10); font-size: var(--text-sm); color: var(--text-secondary); }
.site-footer__inner { display: grid; gap: var(--space-6); }
.site-footer__links { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-6); }
.site-footer__links a { display: inline-flex; align-items: center; min-height: 44px; color: var(--text-secondary); text-decoration: none; }
.site-footer__links a:hover { color: var(--red-text); }
.site-footer__status { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-mono); text-transform: uppercase; }
.site-footer__status::before { content: "■ "; color: var(--accent-color); }

/* ---------- Breakpoints ---------- */
@media (min-width: 640px) {
  .programs__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .cycle__steps { grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
  .cycle__track { left: 0; right: 0; top: 21px; bottom: auto; width: auto; height: 2px; }
  .cycle__track::after {
    top: 0; left: -30%;
    width: 30%; height: 100%;
    background: linear-gradient(90deg, transparent, var(--glow-color) 85%, #fff);
    animation-name: track-h;
  }
  .cycle__step { padding-left: 0; padding-top: 72px; }
  .proof__quotes { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr auto; align-items: center; }
}
@keyframes track-h { to { left: 100%; } }
@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    min-height: min(calc(100svh - var(--header-h)), 52rem);
  }
  .chamber { max-width: 26rem; }
  .programs__grid { grid-template-columns: repeat(3, 1fr); }
  .panel { padding: var(--space-8); }
  .telemetry__list { min-width: 0; justify-content: space-between; }
  .telemetry { overflow-x: visible; }
}
@media (min-width: 1280px) {
  .chamber { max-width: 28rem; }
}

@media (prefers-reduced-motion: reduce) {
  .floor__plane, .floor__trail, .cycle__track::after, .telemetry__live::before { animation: none; }
  .floor__trail { display: none; }
  .cycle__track::after { display: none; }
}