/* ============================================================
   RAKEEN ◇ BRAND GUIDELINES — page styles
   Reads exclusively from tokens.css.
============================================================ */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--ff-body);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--bg-atmo);
  min-height: 100vh;
  overflow-x: hidden;
}

::selection { background: var(--rk-signal); color: var(--rk-ink); }

a { color: inherit; text-decoration: none; }
a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--rk-signal);
  border-radius: 2px;
}

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

img, svg { display: block; max-width: 100%; height: auto; }

/* ---- Typography utilities ---- */
.display {
  font-family: var(--ff-display);
  letter-spacing: var(--ls-display);
  line-height: var(--lh-tight);
  font-weight: 400;
  text-transform: uppercase;
}
.headline {
  font-family: var(--ff-body);
  font-weight: 500;
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-snug);
}
.eyebrow {
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--rk-spark);
}
.eyebrow-mute {
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--fg-mute);
}
.mono { font-family: var(--ff-mono); }
.caption { font-size: var(--t-sm); color: var(--fg-mute); }
.text-mute { color: var(--fg-mute); }
.text-faint { color: var(--fg-faint); }

/* ---- Container ---- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--s-6); }
.container-narrow { width: 100%; max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--s-6); }

/* ---- Section ---- */
.section { padding: var(--s-10) 0; position: relative; }
.section-compact { padding: var(--s-9) 0; }
.section-deep { padding: var(--s-11) 0; }

/* ---- Section title ---- */
.section-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--s-8);
  align-items: flex-start;
  margin-bottom: var(--s-8);
  padding-bottom: var(--s-6);
  border-bottom: 1px solid var(--border);
}
.section-head__id {
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  color: var(--rk-spark);
  padding-top: 8px;
}
.section-head__title {
  font-family: var(--ff-display);
  text-transform: uppercase;
  font-size: clamp(32px, 5vw, 64px);
  letter-spacing: var(--ls-display);
  line-height: var(--lh-tight);
  margin: 0;
}
.section-head__sub {
  font-size: var(--t-md);
  color: var(--fg-mute);
  margin-top: var(--s-4);
  max-width: 56ch;
}

/* ---- Background construction grid ---- */
.grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-step) var(--grid-step);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 90%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 90%);
  pointer-events: none;
  z-index: 0;
}
.section > .container,
.section > .container-narrow { position: relative; z-index: 1; }

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--s-6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
  transition: background var(--dur-2) var(--ease-out);
}
.nav.scrolled { background: color-mix(in oklab, var(--bg) 92%, transparent); }

.nav__brand {
  display: flex; align-items: center; gap: 14px;
  text-decoration: none;
  color: var(--fg);
}
.nav__brand svg { max-height: 28px; width: auto; }
.nav__brand-tag {
  color: var(--fg-mute);
  font-family: var(--ff-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--ls-extra);
  text-transform: uppercase;
  border-left: 1px solid var(--border);
  padding-left: 14px;
}

.nav__links {
  display: flex; align-items: center; gap: 4px;
}
.nav__link {
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--fg-mute);
  padding: 8px 12px;
  border-radius: var(--r-2);
  transition: color var(--dur-1) var(--ease-out), background var(--dur-1) var(--ease-out);
}
.nav__link:hover { color: var(--fg); background: rgba(123,224,255,0.06); }
.nav__link.active { color: var(--rk-spark); }

.nav__cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: 10px 16px;
  border: 1px solid var(--rk-spark);
  color: var(--rk-spark);
  background: color-mix(in oklab, var(--rk-spark) 8%, transparent);
  border-radius: var(--r-2);
  transition: all var(--dur-1) var(--ease-out);
}
.nav__cta:hover {
  background: var(--rk-signal); color: var(--rk-ink);
  box-shadow: var(--shadow-signal);
}
.nav__cta svg { width: 14px; height: 14px; }

@media (max-width: 880px) {
  .nav__links { display: none; }
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 120px var(--s-6) 80px;
  overflow: hidden;
}
.hero__inner {
  max-width: 1080px;
  width: 100%;
  position: relative; z-index: 2;
  text-align: center;
}
.hero__telemetry {
  display: flex; align-items: center; justify-content: center;
  gap: var(--s-4);
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  color: var(--fg-mute);
  text-transform: uppercase;
  margin-bottom: var(--s-7);
}
.hero__telemetry .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 12px var(--ok);
  animation: pulse 2s infinite var(--ease-out);
}
.hero__telemetry .sep { color: var(--fg-faint); }
.hero__logo-wrap {
  margin: var(--s-7) auto;
  max-width: 920px;
  position: relative;
  padding: var(--s-7) 0;
}
.hero__tagline {
  font-family: var(--ff-mono);
  font-size: var(--t-sm);
  letter-spacing: var(--ls-extra);
  text-transform: uppercase;
  color: var(--rk-spark);
  margin-top: var(--s-4);
}
.hero__lede {
  font-family: var(--ff-body);
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: var(--lh-snug);
  color: var(--fg);
  max-width: 720px;
  margin: var(--s-7) auto 0;
  letter-spacing: -0.01em;
}
.hero__lede em { color: var(--rk-signal); font-style: normal; }

.hero__scroll {
  position: absolute;
  bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 8px;
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  color: var(--fg-mute);
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--rk-spark), transparent);
  animation: scrollHint 2.4s infinite var(--ease-out);
}
@keyframes scrollHint {
  0%, 100% { transform: scaleY(1); transform-origin: top; }
  50% { transform: scaleY(0.3); transform-origin: top; }
}

.hero__bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-step) var(--grid-step);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
  z-index: 0;
}
.hero__bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle 600px at 50% 50%, transparent 0%, var(--bg) 90%);
}
.hero__corners {
  position: absolute; inset: 80px var(--s-6) 60px;
  pointer-events: none; z-index: 1;
}
.hero__corner {
  position: absolute;
  width: 24px; height: 24px;
  border: 1px solid var(--rk-spark);
  opacity: 0.45;
}
.hero__corner.tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.hero__corner.tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.hero__corner.bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.hero__corner.br { bottom: 0; right: 0; border-left: none; border-top: none; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}

/* =========================================================
   THE MARK — large display
   ========================================================= */
.mark-display {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-8);
  align-items: stretch;
}
.mark-display__stage {
  background:
    linear-gradient(135deg, #122B59, #0C2144);
  color: var(--rk-paper);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-9);
  display: grid; place-items: center;
  position: relative; overflow: hidden;
  min-height: 480px;
}
.mark-display__stage .grid-bg {
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(circle, black 0%, transparent 70%);
          mask-image: radial-gradient(circle, black 0%, transparent 70%);
}
.mark-display__mark {
  position: relative; z-index: 2;
  width: 320px; height: 320px;
  display: grid; place-items: center;
}
.mark-display__mark svg { width: 100%; height: 100%; fill: var(--rk-signal); }
.mark-display__rings { position: absolute; inset: 0; pointer-events: none; }
.mark-display__rings circle {
  fill: none;
  stroke: var(--rk-signal);
  stroke-opacity: 0.15;
}
.mark-display__corners { position: absolute; inset: 24px; pointer-events: none; }
.mark-display__corner {
  position: absolute; width: 16px; height: 16px;
  border: 1px solid var(--rk-signal); opacity: 0.6;
}
.mark-display__corner.tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.mark-display__corner.tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.mark-display__corner.bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.mark-display__corner.br { bottom: 0; right: 0; border-left: none; border-top: none; }

.mark-display__meta {
  display: flex; flex-direction: column; justify-content: space-between;
  gap: var(--s-6);
  padding: var(--s-7);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
}
.mark-display__quote {
  font-family: var(--ff-body);
  font-size: clamp(24px, 2vw, 32px);
  line-height: var(--lh-snug);
  letter-spacing: -0.01em;
  color: var(--fg);
}
.mark-display__quote em { color: var(--rk-spark); font-style: normal; }
.mark-display__specs {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-5);
}
.spec-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}
.spec-row__k { color: var(--fg-mute); }
.spec-row__v { color: var(--rk-spark); }

@media (max-width: 880px) {
  .mark-display { grid-template-columns: 1fr; }
}

/* =========================================================
   LOGO GRID — variations
   ========================================================= */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  overflow: hidden;
}
.logo-cell {
  position: relative;
  padding: var(--s-7);
  min-height: 220px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--dur-2) var(--ease-out);
  cursor: pointer;
}
.logo-cell--dark { background: var(--rk-ink); }
.logo-cell--paper { background: var(--rk-paper); }
.logo-cell--blue  { background: var(--rk-blue); }
.logo-cell--ink   { background: var(--rk-ink); }
.logo-cell:hover { z-index: 2; box-shadow: var(--shadow-blue); }

.logo-cell__art { width: 70%; max-width: 280px; }
.logo-cell__art svg { width: 100%; height: auto; }

.logo-cell__label {
  position: absolute; top: 12px; left: 16px;
  font-family: var(--ff-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--fg-faint);
}
.logo-cell--paper .logo-cell__label { color: color-mix(in oklab, var(--rk-ink) 56%, transparent); }
.logo-cell--blue  .logo-cell__label { color: color-mix(in oklab, var(--rk-paper) 82%, transparent); }

.logo-cell__download {
  position: absolute; top: 12px; right: 16px;
  font-family: var(--ff-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--fg-faint);
  opacity: 0;
  transition: opacity var(--dur-1) var(--ease-out);
  display: inline-flex; align-items: center; gap: 4px;
}
.logo-cell:hover .logo-cell__download { opacity: 1; }
.logo-cell--paper .logo-cell__download { color: var(--rk-ink); }
.logo-cell--blue  .logo-cell__download,
.logo-cell--ink   .logo-cell__download { color: var(--rk-signal); }

@media (max-width: 880px) {
  .logo-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .logo-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   ANIMATION VARIANTS SHOWCASE
   ========================================================= */
.variant-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-5);
}
.variant-card {
  position: relative;
  background: linear-gradient(160deg, var(--bg-2) 0%, var(--bg) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-7);
  min-height: 280px;
  display: flex; flex-direction: column;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--dur-2) var(--ease-out);
}
.variant-card:hover { border-color: rgba(123,224,255,0.3); }
.variant-card__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--s-5);
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}
.variant-card__name { color: var(--rk-spark); }
.variant-card__id   { color: var(--fg-faint); }
.variant-card__stage {
  flex: 1;
  display: grid; place-items: center;
  position: relative;
  color: var(--rk-paper); /* currentColor for default-fill SVG children */
  background:
    radial-gradient(circle at 50% 50%, rgba(58,93,192,0.18) 0%, transparent 60%),
    linear-gradient(160deg, #122B59, #0C2144);
  border-radius: var(--r-2);
  min-height: 140px;
  overflow: hidden;
}
.variant-card__stage svg { width: min(80%, 360px); height: auto; fill: var(--rk-paper); }
.variant-card__desc {
  margin-top: var(--s-5);
  font-size: var(--t-sm);
  color: var(--fg-mute);
  line-height: var(--lh-normal);
}
.variant-card__replay {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--ff-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--rk-spark);
  margin-top: var(--s-3);
}

/* ---- Variant: Cipher (matrix scramble) ---- */
.v-cipher-text {
  font-family: var(--ff-display);
  font-size: clamp(24px, 4.4vw, 52px);
  letter-spacing: var(--ls-display);
  color: var(--rk-paper);
  text-transform: uppercase;
  white-space: nowrap;
  display: inline-flex;
  gap: 0.05em;
}
.v-cipher-text span { display: inline-block; min-width: 0.55em; text-align: center; }
.v-cipher-text span.solved { color: var(--rk-signal); text-shadow: 0 0 12px rgba(123,224,255,0.5); }

/* ---- Variant: Boot ---- */
.v-boot {
  font-family: var(--ff-mono);
  font-size: var(--t-sm);
  color: var(--rk-signal);
  text-align: left;
  width: 100%;
  padding: 0 var(--s-4);
}
.v-boot__line { margin: 2px 0; opacity: 0; }
.v-boot__line.in { opacity: 1; animation: bootLine 0.3s var(--ease-out); }
.v-boot__cursor { display: inline-block; width: 0.6em; background: var(--rk-signal); height: 0.9em; vertical-align: text-bottom; animation: blink 0.8s steps(1) infinite; }
@keyframes bootLine { from { opacity: 0; transform: translateX(-4px); } to { opacity: 1; transform: translateX(0); } }
@keyframes blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

/* ---- Variant: draw-on path stroke ----
   Default: visible filled wordmark. Run state strokes-on-then-fills. */
.v-draw svg path,
.v-draw svg polygon {
  fill: var(--rk-paper);
  stroke: var(--rk-signal);
  stroke-width: 0;
  transition: fill var(--dur-3) var(--ease-out), stroke-width var(--dur-2) var(--ease-out);
}
.v-draw.run svg path,
.v-draw.run svg polygon {
  fill: transparent;
  stroke-width: 2;
  stroke-dasharray: 2200;
  stroke-dashoffset: 2200;
  animation: draw 1.6s var(--ease-out) forwards;
}
.v-draw.run.filled svg path,
.v-draw.run.filled svg polygon {
  fill: var(--rk-paper);
  stroke-width: 0;
  animation: none;
  stroke-dashoffset: 0;
}
@keyframes draw {
  to { stroke-dashoffset: 0; }
}

/* ---- Variant: glitch ---- */
.v-glitch { position: relative; display: inline-block; }
.v-glitch svg { fill: var(--rk-paper); }
.v-glitch::before,
.v-glitch::after {
  content: '';
  position: absolute; inset: 0;
  background: inherit;
  mix-blend-mode: screen;
  opacity: 0;
  pointer-events: none;
}
.v-glitch.run {
  animation: glitchMain 1.2s var(--ease-out);
}
@keyframes glitchMain {
  0% { transform: translate(-8px, 0); filter: hue-rotate(60deg) blur(2px); opacity: 0.6; }
  20% { transform: translate(6px, 0); filter: hue-rotate(-30deg); opacity: 1; }
  40% { transform: translate(-3px, 1px); filter: none; }
  60% { transform: translate(2px, -1px); }
  100% { transform: translate(0,0); filter: none; opacity: 1; }
}

/* ---- Variant: scan ---- */
.v-scan { position: relative; overflow: hidden; width: 100%; display: grid; place-items: center; }
.v-scan svg {
  fill: var(--rk-paper);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 0%, black 100%, transparent 100%);
          mask-image: linear-gradient(to right, transparent 0%, black 0%, black 100%, transparent 100%);
}
.v-scan.run svg {
  animation: scanReveal 1.4s var(--ease-out) forwards;
}
.v-scan__line {
  position: absolute; top: 0; bottom: 0;
  width: 2px;
  background: var(--rk-signal);
  box-shadow: 0 0 20px var(--rk-signal);
  left: 0%;
  opacity: 0;
}
.v-scan.run .v-scan__line {
  animation: scanLine 1.4s var(--ease-out) forwards;
}
@keyframes scanReveal {
  0%   { -webkit-mask-image: linear-gradient(to right, black 0%, black 0%, transparent 0%, transparent 100%);
                 mask-image: linear-gradient(to right, black 0%, black 0%, transparent 0%, transparent 100%); }
  100% { -webkit-mask-image: linear-gradient(to right, black 0%, black 100%, transparent 100%, transparent 100%);
                 mask-image: linear-gradient(to right, black 0%, black 100%, transparent 100%, transparent 100%); }
}
@keyframes scanLine {
  0% { left: 0%; opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

/* ---- Variant: pulse — radial wave from R ---- */
.v-pulse { position: relative; display: grid; place-items: center; }
.v-pulse svg { fill: var(--rk-paper); position: relative; z-index: 2; }
.v-pulse__wave {
  position: absolute;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--rk-signal);
  left: 50%; top: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  z-index: 1;
}
.v-pulse.run .v-pulse__wave { animation: pulseWave 1.6s var(--ease-out) forwards; }
.v-pulse.run .v-pulse__wave:nth-child(2) { animation-delay: 0.25s; }
.v-pulse.run .v-pulse__wave:nth-child(3) { animation-delay: 0.5s; }
.v-pulse.run svg { animation: pulseFade 1.6s var(--ease-out); }
@keyframes pulseWave {
  0% { transform: translate(-50%, -50%) scale(0); opacity: 0.9; }
  100% { transform: translate(-50%, -50%) scale(16); opacity: 0; }
}
@keyframes pulseFade {
  0% { opacity: 0; transform: scale(0.96); }
  40% { opacity: 1; transform: scale(1.02); }
  100% { opacity: 1; transform: scale(1); }
}

/* ---- Variant: assemble (letters fly in) ----
   IMPORTANT: default state is fully visible. The .run class only ADDS an
   entry animation. If the animation is throttled / never fires, the
   wordmark is still rendered — no blank hero.
   No path-level fill here: each LogoWordmark sets its own <g style="fill:…">
   based on the `color` prop, so the hero adapts to the theme while
   variant-card stages (which are always dark) inherit paper via
   .variant-card__stage { color: var(--rk-paper) }. */
.v-assemble svg path,
.v-assemble svg polygon {
  transform-origin: center;
}
.v-assemble.run svg path,
.v-assemble.run svg polygon {
  animation: assemble 0.6s var(--ease-snap) backwards;
}
/* Stagger via nth-child — R, A, K, E, E, N order via paint order */
.v-assemble.run svg path:nth-of-type(1),
.v-assemble.run svg polygon:nth-of-type(1) { animation-delay: 0s; }
.v-assemble.run svg path:nth-of-type(2) { animation-delay: 0.08s; }
.v-assemble.run svg polygon:nth-of-type(2) { animation-delay: 0.16s; }
.v-assemble.run svg path:nth-of-type(3) { animation-delay: 0.24s; }
.v-assemble.run svg path:nth-of-type(4) { animation-delay: 0.32s; }
.v-assemble.run svg path:nth-of-type(5) { animation-delay: 0.40s; }
@keyframes assemble {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* =========================================================
   CONSTRUCTION — clear space, min size
   ========================================================= */
.construction {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: var(--s-7);
}
@media (max-width: 980px) { .construction { grid-template-columns: 1fr; } }

.con-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-7);
}
.con-card__h {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--rk-spark);
  margin-bottom: var(--s-5);
}
.con-card__h .step { color: var(--fg-faint); }
.clearspace {
  position: relative;
  background: var(--rk-ink);
  border-radius: var(--r-2);
  padding: var(--s-7);
  display: grid; place-items: center;
  min-height: 280px;
}
.clearspace__art {
  position: relative;
  width: 70%; max-width: 460px;
}
.clearspace__art svg { width: 100%; fill: var(--rk-paper); }
/* Clear-space ghost box around the mark */
.clearspace__art::before {
  content: '';
  position: absolute;
  inset: -32% -8%;
  border: 1px dashed rgba(123,224,255,0.4);
  pointer-events: none;
}
.clearspace__art::after {
  content: '× R';
  position: absolute;
  top: -22px; right: -8px;
  font-family: var(--ff-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--ls-wide);
  color: var(--rk-spark);
  background: var(--bg-2);
  padding: 2px 6px;
}

.minsize {
  display: flex; flex-direction: column; gap: var(--s-4);
}
.minsize__row {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-5) var(--s-6);
  background: var(--rk-ink);
  border-radius: var(--r-2);
}
.minsize__row svg { fill: var(--rk-paper); }
.minsize__meta {
  text-align: right;
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--fg-mute);
}
.minsize__meta strong { display: block; color: var(--rk-spark); font-size: var(--t-base); margin-bottom: 2px; }

/* =========================================================
   COLOR SWATCHES
   ========================================================= */
.swatches {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
@media (max-width: 980px) { .swatches { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .swatches { grid-template-columns: 1fr; } }

.swatch {
  position: relative;
  border-radius: var(--r-3);
  overflow: hidden;
  min-height: 260px;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: var(--s-6);
  gap: var(--s-5);
  cursor: pointer;
  text-align: left;
  border: 1px solid transparent;
  transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out);
}
.swatch:hover { transform: translateY(-3px); box-shadow: var(--shadow-3); }
.swatch__top {
  display: flex; justify-content: space-between; align-items: center;
}
.swatch__role {
  font-family: var(--ff-mono);
  font-size: var(--t-2xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.swatch__copy-ico {
  width: 14px; height: 14px;
  opacity: 0.4;
  transition: opacity var(--dur-1) var(--ease-out);
}
.swatch:hover .swatch__copy-ico { opacity: 0.95; }

.swatch__bottom { display: flex; flex-direction: column; gap: 8px; }
.swatch__name {
  font-family: var(--ff-display);
  font-size: clamp(22px, 2vw, 30px);
  letter-spacing: var(--ls-display);
  line-height: 1;
  text-transform: uppercase;
}
.swatch__hex {
  font-family: var(--ff-mono);
  font-size: var(--t-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.swatch__rgb {
  font-family: var(--ff-mono);
  font-size: var(--t-2xs);
  letter-spacing: 0.05em;
  opacity: 0.7;
  white-space: nowrap;
}
.swatch__use {
  font-family: var(--ff-body);
  font-size: var(--t-sm);
  line-height: 1.45;
  opacity: 0.82;
  margin-top: 6px;
}

.swatch--ink    { background: var(--rk-ink);    color: var(--rk-paper); }
.swatch--blue   { background: var(--rk-blue);   color: var(--rk-paper); }
.swatch--signal { background: var(--rk-signal); color: var(--rk-ink); }
.swatch--paper  { background: var(--rk-paper);  color: var(--rk-ink); border-color: var(--border); }
.swatch--forest { background: var(--rk-forest); color: var(--rk-paper); }
.swatch--void   { background: var(--void);      color: var(--rk-paper); border-color: var(--border); }

.swatch--ink    .swatch__role { color: var(--rk-signal); }
.swatch--blue   .swatch__role { color: var(--rk-paper); opacity: 0.78; }
.swatch--signal .swatch__role { color: var(--rk-ink); opacity: 0.75; }
.swatch--paper  .swatch__role { color: var(--rk-blue); }
.swatch--forest .swatch__role { color: var(--rk-signal); }
.swatch--void   .swatch__role { color: var(--rk-signal); }

/* =========================================================
   TYPE
   ========================================================= */
.type-stage {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-7);
  overflow: hidden;
}
.type-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--s-5);
  align-items: baseline;
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--border);
}
.type-row:last-child { border-bottom: none; }
.type-row__meta {
  font-family: var(--ff-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--fg-mute);
}
.type-row__meta strong { display: block; color: var(--rk-spark); font-size: var(--t-sm); margin-bottom: 4px; }
.type-row__sample { color: var(--fg); }

.type-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--s-5);
  margin-top: var(--s-7);
}
@media (max-width: 880px) { .type-grid { grid-template-columns: 1fr; } }
.type-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-6);
}
.type-card__sample {
  font-size: 3.5rem; line-height: 1; margin-bottom: var(--s-5);
}
.type-card__sample--display { font-family: var(--ff-display); letter-spacing: var(--ls-display); }
.type-card__sample--body { font-family: var(--ff-body); font-weight: 500; letter-spacing: -0.01em; }
.type-card__sample--mono { font-family: var(--ff-mono); font-size: 2.5rem; }

/* =========================================================
   MOTION — easing visualization
   ========================================================= */
.motion-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-5);
}
@media (max-width: 880px) { .motion-grid { grid-template-columns: 1fr; } }
.motion-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-6);
  display: grid; gap: var(--s-4);
}
.motion-card__head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--ff-mono); font-size: var(--t-xs);
  letter-spacing: var(--ls-wide); text-transform: uppercase;
}
.motion-card__name { color: var(--rk-spark); }
.motion-card__dur  { color: var(--fg-faint); }
.motion-track {
  position: relative; height: 60px;
  background: color-mix(in oklab, var(--rk-spark) 6%, transparent);
  border-radius: var(--r-2);
  overflow: hidden;
}
.motion-track__dot {
  position: absolute; top: 50%; left: 0;
  width: 16px; height: 16px;
  background: var(--rk-spark);
  border-radius: 50%;
  box-shadow: 0 0 16px color-mix(in oklab, var(--rk-spark) 60%, transparent);
  transform: translate(-50%, -50%);
}
.motion-card__code {
  font-family: var(--ff-mono);
  font-size: var(--t-xs);
  color: var(--fg-mute);
}

/* =========================================================
   DO / DON'T
   ========================================================= */
.donts-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-5);
}
@media (max-width: 720px) { .donts-grid { grid-template-columns: 1fr; } }
.dont {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-6);
  overflow: hidden;
}
.dont__stage {
  height: 180px;
  background: var(--rk-paper);
  border-radius: var(--r-2);
  display: grid; place-items: center;
  margin-bottom: var(--s-4);
  position: relative; overflow: hidden;
}
.dont__stage--dark { background: var(--rk-ink); }
.dont__stage--noise { background: linear-gradient(45deg, #f00, #0f0, #00f); }
.dont__stage svg { width: 70%; max-width: 280px; }
.dont__badge {
  position: absolute; top: 12px; right: 12px;
  font-family: var(--ff-mono); font-size: var(--t-2xs);
  letter-spacing: var(--ls-wide); text-transform: uppercase;
  padding: 4px 8px; border-radius: var(--r-1);
}
.dont__badge--no { background: var(--crit); color: var(--rk-paper); }
.dont__badge--yes { background: var(--ok); color: var(--rk-ink); }
.dont__txt { font-size: var(--t-sm); color: var(--fg-mute); }
.dont__txt strong { color: var(--fg); display: block; margin-bottom: 4px; }

/* Distortion: skew, stretch, recolor */
.dont__skew svg { transform: skew(-12deg, 4deg); }
.dont__stretch svg { transform: scale(0.7, 1.4); }
.dont__recolor svg path,
.dont__recolor svg polygon { fill: #ff5470 !important; }

/* =========================================================
   FOOTER + DOWNLOAD
   ========================================================= */
.download {
  background: linear-gradient(160deg, var(--rk-blue) 0%, var(--rk-ink) 100%);
  color: #FFFFFF;
  border-radius: var(--r-4);
  padding: var(--s-9);
  text-align: center;
  position: relative; overflow: hidden;
}
.download .grid-bg {
  background-size: 32px 32px;
  -webkit-mask-image: radial-gradient(circle, black 0%, transparent 80%);
          mask-image: radial-gradient(circle, black 0%, transparent 80%);
}
.download__inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.download__h {
  font-family: var(--ff-display);
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: var(--ls-display);
  text-transform: uppercase;
  line-height: var(--lh-tight);
  margin: 0 0 var(--s-4);
}
.download__sub { color: color-mix(in oklab, var(--rk-paper) 78%, transparent); margin-bottom: var(--s-7); }
.download__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  justify-content: center;
  max-width: 720px;
  margin: 0 auto;
}
.download__buttons .btn { flex: 0 1 auto; }
.download__buttons .btn--primary { flex: 0 1 280px; }      /* the hero one is wider */
.download__buttons .btn--ghost   { flex: 0 1 180px; }

@media (max-width: 720px) {
  /* Avoid the 2+1 wrap; stack to a clean single column on narrow screens. */
  .download__buttons { flex-direction: column; align-items: stretch; max-width: 360px; }
  .download__buttons .btn,
  .download__buttons .btn--primary,
  .download__buttons .btn--ghost { flex: 1 1 auto; width: 100%; justify-content: center; }
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px;
  padding: 14px 22px;
  font-family: var(--ff-mono); font-size: var(--t-xs);
  letter-spacing: var(--ls-wide); text-transform: uppercase;
  border-radius: var(--r-2);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: all var(--dur-1) var(--ease-out);
}
.btn--primary {
  background: var(--rk-signal); color: var(--rk-ink);
  box-shadow: 0 0 0 1px var(--rk-signal), 0 12px 28px rgba(123,224,255,0.32);
  font-weight: 600;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--rk-signal), 0 18px 36px rgba(123,224,255,0.48);
}
.btn--ghost {
  border-color: color-mix(in oklab, var(--rk-paper) 28%, transparent);
  background: color-mix(in oklab, var(--rk-paper) 4%, transparent);
  color: var(--rk-paper);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover {
  border-color: var(--rk-signal);
  color: var(--rk-signal);
  background: color-mix(in oklab, var(--rk-signal) 8%, transparent);
}
.btn svg { width: 14px; height: 14px; flex-shrink: 0; }

.footer {
  padding: var(--s-7) var(--s-6) var(--s-6);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: var(--s-4);
  font-family: var(--ff-mono); font-size: var(--t-2xs);
  letter-spacing: var(--ls-wide); text-transform: uppercase;
  color: var(--fg-mute);
}
.footer__col { display: flex; align-items: center; gap: var(--s-4); }
.footer__dot { width: 4px; height: 4px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }

/* =========================================================
   IN/REVEAL
   ========================================================= */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.r-2 { transition-delay: 80ms; }
.reveal.r-3 { transition-delay: 160ms; }
.reveal.r-4 { transition-delay: 240ms; }

/* Toast (for copy-to-clipboard feedback) */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(16px);
  padding: 10px 18px;
  background: var(--rk-signal); color: var(--rk-ink);
  font-family: var(--ff-mono); font-size: var(--t-xs);
  letter-spacing: var(--ls-wide); text-transform: uppercase;
  border-radius: var(--r-2);
  box-shadow: var(--shadow-signal);
  opacity: 0; pointer-events: none;
  transition: all 240ms var(--ease-out);
  z-index: 200;
}
.toast.in { opacity: 1; transform: translateX(-50%) translateY(0); }

/* =========================================================
   PORTAL ARRIVAL — when arriving from /login.html?from=auth
   Cyan flood fades out, revealing the brand kit.
   ========================================================= */
html[data-portal-entry] body::before {
  content: '';
  position: fixed; inset: 0;
  z-index: 999;
  background: radial-gradient(circle at center, #7BE0FF 0%, #050A1A 70%);
  animation: portalArrive 1100ms 60ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
  pointer-events: none;
}
html[data-portal-entry] body::after {
  content: '';
  position: fixed; inset: 0;
  z-index: 998;
  background: white;
  animation: portalFlash 700ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
  pointer-events: none;
}
@keyframes portalArrive {
  0%   { opacity: 1; transform: scale(2); }
  60%  { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1); }
}
@keyframes portalFlash {
  0%   { opacity: 1; }
  100% { opacity: 0; }
}

/* Logout chip — sits inside the nav cluster */
.nav__logout {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  color: var(--fg-mute);
  transition: all var(--dur-1) var(--ease-out);
}
.nav__logout:hover {
  color: var(--crit);
  border-color: var(--crit);
  background: color-mix(in oklab, var(--crit) 8%, transparent);
}
.nav__logout svg { width: 16px; height: 16px; }