/* ==========================================================================
   nimchesko — one stylesheet, no dependencies
   1.  Tokens           6.  Components (cards, buttons, chips …)
   2.  Reset & base     7.  Sections (services … contact)
   3.  Utilities        8.  Header / rail / modals / map / toast / footer
   4.  3D journey       9.  Classic & no-JS modes
   5.  Panels & flow    10. Responsive, reduced motion, print
   ========================================================================== */

/* ============================================================ 1. tokens */

:root {
  --bg: #140a0c;
  --bg-2: #180c0f;
  --surface: #1d1013;
  --surface-2: #241418;
  --crimson: #9b1b30;
  --crimson-bright: #c2263f;
  --cream: #efe3cb;
  --cream-dim: #bfb39b;
  --clay: #b98b5e;
  --gold: #c9a24b;
  --err: #e7a3a6;

  --line: rgba(239, 227, 203, 0.13);
  --line-2: rgba(239, 227, 203, 0.26);
  --hair: rgba(239, 227, 203, 0.38);

  --font-en: 'Space Grotesk', ui-sans-serif, system-ui, 'Segoe UI', Arial, sans-serif;
  --font-fa: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
  --font-display-fa: 'Lalezar', 'Vazirmatn', Tahoma, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Mono', 'SF Mono', Menlo, Consolas, monospace;
  --font-body: var(--font-en);
  --font-display: var(--font-en);

  --fs-mark: clamp(2.6rem, 7vw, 5.4rem);
  --fs-h2: clamp(1.6rem, 3vw + 0.6rem, 2.5rem);
  --fs-h3: clamp(1.05rem, 1.2vw + 0.7rem, 1.32rem);
  --fs-body: clamp(0.95rem, 0.25vw + 0.9rem, 1.06rem);
  --fs-lead: clamp(1rem, 0.5vw + 0.92rem, 1.16rem);
  --fs-small: 0.875rem;
  --fs-micro: 0.78rem;

  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4.5rem;
  --gutter: clamp(1.1rem, 4vw, 2.75rem);
  --maxw: 1180px;
  --head-h: 4rem;

  --r-1: 10px;
  --r-2: 16px;
  --r-3: 24px;
  --r-pill: 999px;

  --blur: 14px;
  --shadow-1: 0 10px 30px -18px rgba(0, 0, 0, 0.85);
  --shadow-2: 0 26px 60px -30px rgba(0, 0, 0, 0.9);
  --ring: 0 0 0 3px rgba(201, 162, 75, 0.42);
  --inner-hi: inset 0 1px 0 rgba(239, 227, 203, 0.07);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.3s;

  --z-stage: 1;
  --z-flow: 2;
  --z-rail: 35;
  --z-head: 40;
  --z-map: 90;
  --z-modal: 100;
  --z-toast: 110;
  --z-skip: 200;
}

html[lang^='fa'] {
  --font-body: var(--font-fa);
  --font-display: var(--font-display-fa);
}

/* ====================================================== 2. reset & base */

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  overflow-x: clip;
  scrollbar-gutter: stable;
  scrollbar-color: var(--crimson) var(--bg);
  -webkit-text-size-adjust: 100%;
}

html.is-locked,
body.is-modal,
body.is-map {
  overflow: hidden;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg,
video {
  max-width: 100%;
}

h1,
h2,
h3,
h4,
p,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--gold);
  text-decoration-color: rgba(201, 162, 75, 0.45);
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

a:hover {
  color: var(--crimson-bright);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--crimson);
  color: var(--cream);
}

[id] {
  scroll-margin-block-start: calc(var(--head-h) + 1rem);
}

/* ------------------------------------------------------------ 3D journey */

.journey {
  position: relative;
  --persp: 1150px;
  --travel: 1500px;
  --arrive: 180px;
  --damping: 110;
}

.stage {
  position: sticky;
  top: 0;
  z-index: var(--z-stage);
  height: 100vh;
  height: 100svh;
  overflow: clip;
  perspective: var(--persp);
  perspective-origin: 50% 50%;
  pointer-events: none;
}

.stage__sky {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 50% 108%, rgba(155, 27, 48, 0.34), transparent 60%),
    radial-gradient(90% 70% at 50% 20%, #33141c, #1c0d11 58%, var(--bg) 100%);
}

.stage__sky svg {
  display: block;
  width: 100%;
  height: 100%;
}

.stage__haze {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(130% 70% at 50% 118%, rgba(185, 139, 94, 0.14), transparent 62%),
    radial-gradient(160% 120% at 50% 50%, transparent 55%, rgba(10, 5, 6, 0.72) 100%);
}

.world {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  will-change: transform;
}

.scene {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  will-change: transform;
}

/* Before the camera boots only the gate is shown; camera.js then sets inline
   visibility per scene ('' restores the default visible state below). */
.journey:not(.is-ready) .scene {
  visibility: hidden;
}

.journey:not(.is-ready) .scene--gate {
  visibility: visible;
}

.lay {
  position: absolute;
  left: calc(50% + var(--x, 0%));
  top: calc(50% + var(--y, 0vh));
  width: var(--w, 100%);
  opacity: calc(var(--o, 1) * var(--fade, 1));
  transform: translate(-50%, -50%) translateZ(var(--z, 0px)) rotateX(var(--rx, 0deg));
  will-change: transform, opacity;
}

.lay svg {
  display: block;
  width: 100%;
  height: auto;
}

.lay--plane {
  width: var(--pw, 100vw);
  height: var(--ph, 100vh);
}

.lay--plane svg {
  height: 100%;
}

/* Gate leaves: origin at the outer edge, then a 10.5% nudge of their own
   width seats the two inner edges exactly on the scene centre line. */
.lay--door {
  transform-origin: 0% 50%;
}

.lay--door-l {
  transform-origin: 0% 50%;
  transform: translate(-50%, -50%) translateX(10.5%) translateZ(var(--z, 0px))
    rotateY(calc(var(--door, 0) * 88deg));
}

.lay--door-r {
  transform-origin: 100% 50%;
  transform: translate(-50%, -50%) translateX(-10.5%) translateZ(var(--z, 0px))
    rotateY(calc(var(--door, 0) * -88deg));
}

.scene__fog {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--fog, 0);
  background: radial-gradient(120% 90% at 50% 55%, rgba(185, 139, 94, 0.1), rgba(20, 10, 12, 0.7) 78%);
}

.dustfield {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  pointer-events: none;
}

.dust {
  position: absolute;
  transform: translate3d(0, 0, var(--z, 0px)) scale(var(--s, 1));
}

.dust b {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239, 227, 203, 0.9), rgba(239, 227, 203, 0) 68%);
  opacity: var(--o, 0.35);
  animation: dustDrift 14s ease-in-out infinite alternate;
}

.twinkle {
  animation: twinkle 4.6s ease-in-out infinite;
  transform-box: fill-box;
  transform-origin: 50% 50%;
}

.flame {
  transform-box: fill-box;
  transform-origin: 50% 100%;
}

.flame--back {
  animation: flickerB 2.3s ease-in-out infinite;
}

.flame--front {
  animation: flickerF 1.7s ease-in-out infinite;
}

.flame--core {
  animation: flickerC 1.1s ease-in-out infinite;
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.15;
  }
  50% {
    opacity: 0.8;
  }
}

@keyframes dustDrift {
  from {
    transform: translate3d(0, 6px, 0);
  }
  to {
    transform: translate3d(10px, -14px, 0);
  }
}

@keyframes flickerB {
  0%,
  100% {
    transform: scaleY(1) scaleX(1);
  }
  40% {
    transform: scaleY(1.06) scaleX(0.97) translateY(-1px);
  }
  70% {
    transform: scaleY(0.96) scaleX(1.02);
  }
}

@keyframes flickerF {
  0%,
  100% {
    transform: scaleY(1) skewX(0deg);
  }
  35% {
    transform: scaleY(1.09) skewX(-1.4deg);
  }
  60% {
    transform: scaleY(0.94) skewX(1.1deg);
  }
  80% {
    transform: scaleY(1.04) skewX(-0.6deg);
  }
}

@keyframes flickerC {
  0%,
  100% {
    transform: scaleY(1) translateY(0);
  }
  50% {
    transform: scaleY(1.12) translateY(-1px);
  }
}

@keyframes hintDrop {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  50% {
    transform: translateY(8px);
    opacity: 1;
  }
}

@keyframes mapPulse {
  0% {
    transform: scale(1);
    opacity: 0.75;
  }
  100% {
    transform: scale(2.1);
    opacity: 0;
  }
}

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

/* ------------------------------------------------------- panels & flow */

.flow {
  position: relative;
  z-index: var(--z-flow);
  margin-top: -100vh;
  margin-top: -100svh;
}

.spacer {
  height: var(--travel, 1500px);
  pointer-events: none;
}

.flow__tail {
  height: 100vh;
  height: 100svh;
}

.panel {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  justify-items: center;
  align-content: center;
  row-gap: clamp(1.4rem, 3vh, 2.4rem);
  padding-block: clamp(4.5rem, 16vh, 9rem);
  padding-inline: var(--gutter);
}

.panel > * {
  width: min(100%, var(--maxw));
}

.panel:focus {
  outline: none;
}

/* ============================================================ 3. utilities */

.container {
  width: min(100%, var(--maxw));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.ltr {
  direction: ltr;
  text-align: left;
  unicode-bidi: isolate;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
  letter-spacing: 0;
}

.kbd {
  display: inline-block;
  min-width: 1.5em;
  padding: 0.1em 0.45em;
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: rgba(239, 227, 203, 0.05);
  font-family: var(--font-mono);
  font-size: 0.78em;
  line-height: 1.6;
  text-align: center;
}

.skip-link {
  position: fixed;
  inset-block-start: 0.6rem;
  inset-inline-start: 50%;
  translate: -50% -160%;
  z-index: var(--z-skip);
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: var(--surface);
  color: var(--cream);
  font-size: var(--fs-small);
  text-decoration: none;
  transition: translate var(--dur) var(--ease);
}

.skip-link:focus-visible {
  translate: -50% 0;
}

html[lang='en'] .only-fa,
html[lang='fa'] .only-en {
  display: none !important;
}

/* ============================================ 4. glass & shared surfaces */

.glass {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  background:
    linear-gradient(160deg, rgba(239, 227, 203, 0.055), rgba(239, 227, 203, 0.012) 42%),
    rgba(29, 16, 19, 0.66);
  box-shadow: var(--shadow-1), var(--inner-hi);
  backdrop-filter: blur(var(--blur)) saturate(1.1);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.1);
}

@supports not (backdrop-filter: blur(1px)) {
  .glass {
    background: rgba(29, 16, 19, 0.94);
  }
}

.card {
  position: relative;
  padding: clamp(1.1rem, 2.4vw, 1.7rem);
  border-radius: var(--r-2);
}

.card--carpet {
  border: 1px solid rgba(155, 27, 48, 0.55);
  box-shadow:
    inset 0 0 0 3px var(--bg),
    inset 0 0 0 4px rgba(239, 227, 203, 0.35),
    inset 0 0 0 7px var(--bg),
    inset 0 0 0 8px rgba(155, 27, 48, 0.5),
    var(--shadow-1);
}

.card--featured {
  border-color: rgba(201, 162, 75, 0.42);
  box-shadow: 0 0 0 1px rgba(201, 162, 75, 0.18), var(--shadow-2), var(--inner-hi);
}

.card--girih {
  overflow: hidden;
}

.card--girih::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../assets/pattern-girih.svg') center / 260px auto no-repeat;
  opacity: 0.05;
  pointer-events: none;
}

/* -------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.62rem 1.25rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: rgba(239, 227, 203, 0.04);
  color: var(--cream);
  font: 500 0.92rem/1.4 var(--font-body);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
    color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.btn:hover {
  border-color: var(--hair);
  background: rgba(239, 227, 203, 0.08);
  color: var(--cream);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  border-color: transparent;
  background: linear-gradient(180deg, var(--crimson-bright), var(--crimson));
  box-shadow: var(--shadow-1), inset 0 1px 0 rgba(239, 227, 203, 0.18);
  color: var(--cream);
}

.btn--primary:hover {
  background: linear-gradient(180deg, #d02a45, var(--crimson-bright));
  color: var(--cream);
}

.btn--ghost {
  border-color: rgba(201, 162, 75, 0.35);
  background: transparent;
  color: var(--gold);
}

.btn--ghost:hover {
  border-color: var(--gold);
  color: var(--cream);
  background: rgba(201, 162, 75, 0.08);
}

.btn--small {
  padding: 0.4rem 0.9rem;
  font-size: var(--fs-micro);
}

.iconbtn {
  display: inline-grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(239, 227, 203, 0.04);
  color: var(--cream-dim);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.iconbtn:hover {
  color: var(--cream);
  border-color: var(--line-2);
  background: rgba(239, 227, 203, 0.08);
}

.iconbtn svg {
  width: 1.15rem;
  height: 1.15rem;
}

.ico {
  flex: none;
  width: 1.15em;
  height: 1.15em;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --------------------------------------------------------------- layout */

.grid {
  display: grid;
  gap: clamp(0.9rem, 2vw, 1.4rem);
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* ------------------------------------------------------- section headers */

.sec-head {
  display: grid;
  gap: 0.55rem;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--clay);
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.kicker::before {
  content: '';
  width: 0.95em;
  height: 0.95em;
  background: url('../assets/medallion-toranj.svg') center / contain no-repeat;
}

html[lang^='fa'] .kicker {
  letter-spacing: 0;
}

.sec-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.25;
  color: var(--cream);
}

html[lang^='fa'] .sec-title {
  font-weight: 400;
  line-height: 1.55;
}

.lead {
  max-width: 60ch;
  color: var(--cream-dim);
  font-size: var(--fs-lead);
}

.h3 {
  font-size: var(--fs-h3);
  font-weight: 600;
  line-height: 1.4;
}

.hr {
  width: 100%;
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line-2) 18%, var(--line-2) 82%, transparent);
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--line);
}

.fact {
  padding: 0.85rem 1.1rem;
  background: rgba(29, 16, 19, 0.92);
}

.fact dt {
  color: var(--cream-dim);
  font-size: var(--fs-micro);
  letter-spacing: 0.04em;
}

.fact dd {
  margin: 0.1rem 0 0;
  color: var(--cream);
  font-size: 1rem;
  font-weight: 600;
}

/* --------------------------------------------------------------- chips */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  padding: 0.42rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(239, 227, 203, 0.03);
  color: var(--cream-dim);
  font-size: var(--fs-small);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.chip:hover {
  color: var(--cream);
  border-color: var(--line-2);
}

.chip[aria-pressed='true'] {
  border-color: rgba(194, 38, 63, 0.7);
  background: rgba(155, 27, 48, 0.28);
  color: var(--cream);
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.pill {
  padding: 0.28rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(239, 227, 203, 0.035);
  color: var(--cream-dim);
  font-size: var(--fs-micro);
  white-space: nowrap;
}

.pill--gold {
  border-color: rgba(201, 162, 75, 0.4);
  color: var(--gold);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.68rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  font-size: var(--fs-micro);
  font-weight: 600;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge--live {
  border-color: rgba(185, 139, 94, 0.5);
  color: var(--clay);
}

.badge--live::before {
  animation: pulseDot 2.2s ease-in-out infinite;
}

.badge--beta {
  border-color: rgba(201, 162, 75, 0.5);
  color: var(--gold);
}

.badge--soon {
  color: var(--cream-dim);
}

/* ------------------------------------------------------------- states */

.state {
  display: grid;
  gap: 0.5rem;
  justify-items: start;
  padding: 1.4rem 1.5rem;
  border: 1px dashed var(--line-2);
  border-radius: var(--r-2);
  color: var(--cream-dim);
}

.state__title {
  color: var(--cream);
  font-weight: 600;
}

.state__hint {
  font-size: var(--fs-small);
}

.state__meta {
  margin: 0;
  padding: 0.7rem 0.9rem;
  border-radius: var(--r-1);
  background: rgba(20, 10, 12, 0.7);
  color: var(--cream-dim);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  white-space: pre-wrap;
  direction: ltr;
  text-align: left;
  unicode-bidi: isolate;
}

.state--error {
  border-color: rgba(194, 38, 63, 0.55);
}

.state--error .state__title {
  color: var(--err);
}

/* ------------------------------------------------------------ forms */

.field {
  display: grid;
  gap: 0.35rem;
}

.field label {
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.field input,
.field select,
.field textarea,
input[type='text'],
input[type='email'],
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-1);
  background: rgba(20, 10, 12, 0.72);
  color: var(--cream);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--hair);
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-color: var(--gold);
  box-shadow: var(--ring);
}

textarea {
  resize: vertical;
  min-height: 7rem;
}

.field__err {
  color: var(--err);
  font-size: var(--fs-micro);
}

.field.is-bad input,
.field.is-bad textarea,
.field.is-bad select {
  border-color: rgba(194, 38, 63, 0.75);
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--cream-dim);
  font-size: var(--fs-small);
  cursor: pointer;
}

.check input {
  accent-color: var(--crimson-bright);
  width: 1.05em;
  height: 1.05em;
}

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
}

.form {
  display: grid;
  gap: 0.9rem;
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.form__note {
  color: var(--cream-dim);
  font-size: var(--fs-micro);
}

.form__status {
  min-height: 1.4em;
  font-size: var(--fs-small);
}

.form__status.is-ok {
  color: var(--clay);
}

.form__status.is-bad {
  color: var(--err);
}

/* ------------------------------------------------------------ outputs */

.out {
  display: grid;
  gap: 0.4rem;
}

.out__row {
  display: grid;
  grid-template-columns: minmax(7.5rem, auto) 1fr;
  gap: 0.75rem;
  align-items: baseline;
  padding-block: 0.42rem;
  border-block-end: 1px solid var(--line);
}

.out__row:last-child {
  border-block-end: 0;
}

.out__key {
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.out__val {
  direction: ltr;
  text-align: left;
  unicode-bidi: isolate;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--cream);
  overflow-wrap: anywhere;
}

.bin {
  display: grid;
  gap: 0.5rem;
  margin: 0;
}

.bin__row {
  display: grid;
  gap: 0.15rem;
}

.bin__label {
  color: var(--cream-dim);
  font-size: var(--fs-micro);
}

.bin__bits {
  direction: ltr;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

.bin__net {
  color: var(--clay);
}

.bin__host {
  color: var(--crimson-bright);
}

.meter {
  height: 6px;
  overflow: hidden;
  border-radius: var(--r-pill);
  background: rgba(239, 227, 203, 0.1);
}

.meter__fill {
  height: 100%;
  width: calc(var(--v, 0) * 100%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--crimson), var(--gold));
  transition: width var(--dur) var(--ease);
}

.json-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ================================================= 6. component patterns */

.svc {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.svc--wide {
  grid-column: 1 / -1;
}

.svc__icon {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid rgba(201, 162, 75, 0.4);
  border-radius: var(--r-1);
  background: rgba(155, 27, 48, 0.18);
  color: var(--gold);
}

.svc__icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.svc__title {
  font-size: var(--fs-h3);
  font-weight: 600;
}

html[lang^='fa'] .svc__title {
  line-height: 1.6;
}

.svc__desc {
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.diamonds {
  display: grid;
  gap: 0.3rem;
}

.diamonds li {
  position: relative;
  padding-inline-start: 1.2em;
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.diamonds li::before {
  content: '';
  position: absolute;
  inset-inline-start: 0.15em;
  inset-block-start: 0.62em;
  width: 0.42em;
  height: 0.42em;
  rotate: 45deg;
  background: var(--crimson-bright);
}

.prod {
  display: grid;
  gap: 0.65rem;
  align-content: start;
}

.prod__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.prod__name {
  font-size: var(--fs-h3);
  font-weight: 600;
}

.prod__desc {
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.prod__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.proj {
  display: grid;
  gap: 0.7rem;
  align-content: start;
}

.proj__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  color: var(--cream-dim);
  font-size: var(--fs-micro);
}

.proj__block {
  display: grid;
  gap: 0.15rem;
}

.proj__block b {
  color: var(--clay);
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

html[lang^='fa'] .proj__block b {
  letter-spacing: 0;
}

.proj__block p {
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.stack-group {
  display: grid;
  gap: 0.55rem;
}

.stack-group h3 {
  color: var(--clay);
  font-size: var(--fs-small);
  font-weight: 600;
}

.lab {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.lab__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.lab__head h3 {
  font-size: var(--fs-h3);
  font-weight: 600;
}

.lab__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.lab__sub {
  margin-block-start: 0.35rem;
  color: var(--clay);
  font-size: var(--fs-small);
  font-weight: 600;
}

.lab__status {
  min-height: 1.4em;
  font-size: var(--fs-small);
}

.lab__status.is-ok {
  color: var(--clay);
}

.lab__status.is-bad {
  color: var(--err);
}

.lab__note {
  color: var(--cream-dim);
  font-size: var(--fs-micro);
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 1rem;
}

.step {
  position: relative;
  display: grid;
  gap: 0.25rem;
  padding-block-start: 0.85rem;
  border-block-start: 1px solid var(--line);
}

.step::before {
  counter-increment: step;
  content: '0' counter(step);
  color: var(--crimson-bright);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
}

.step b {
  font-size: 1rem;
}

.step p {
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.rules {
  display: grid;
  gap: 0.8rem;
}

.rule {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
}

.rule__mark {
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-block-start: 0.28rem;
  border: 1px solid rgba(201, 162, 75, 0.45);
  border-radius: 6px;
  rotate: 45deg;
  color: var(--gold);
  font-size: 0.6rem;
  font-weight: 700;
  line-height: 1;
}

.rule__mark > * {
  rotate: -45deg;
}

.rule b {
  display: block;
  font-size: 1rem;
}

.rule p {
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.timeline {
  display: grid;
  gap: 0;
}

.tl {
  position: relative;
  display: grid;
  gap: 0.3rem;
  padding: 0 0 1.4rem 1.4rem;
  border-inline-start: 1px solid var(--line-2);
}

.tl:last-child {
  padding-block-end: 0;
}

.tl::before {
  content: '';
  position: absolute;
  inset-block-start: 0.45em;
  inset-inline-start: -0.34rem;
  width: 0.65rem;
  height: 0.65rem;
  rotate: 45deg;
  background: var(--crimson);
  border: 1px solid var(--hair);
}

.tl__when {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
}

.tl__title {
  font-size: 1rem;
  font-weight: 600;
}

.tl__text {
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.now {
  display: grid;
  gap: 0.55rem;
}

.now__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  color: var(--cream-dim);
  font-size: var(--fs-micro);
}

.notes {
  display: grid;
  gap: 0.9rem;
}

.note {
  display: grid;
  gap: 0.45rem;
  width: 100%;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: rgba(29, 16, 19, 0.6);
  text-align: start;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

button.note {
  cursor: pointer;
}

button.note:hover {
  border-color: var(--line-2);
  background: rgba(36, 20, 24, 0.85);
}

.note__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  color: var(--cream-dim);
  font-size: var(--fs-micro);
}

.note__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--cream);
}

.note__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.faq {
  display: grid;
  gap: 0.7rem;
}

.faq__item {
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: rgba(29, 16, 19, 0.55);
  overflow: hidden;
}

.faq__item summary {
  position: relative;
  padding: 0.95rem 3rem 0.95rem 1.2rem;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

html[dir='rtl'] .faq__item summary {
  padding: 0.95rem 1.2rem 0.95rem 3rem;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after,
.faq__item summary::before {
  content: '';
  position: absolute;
  inset-inline-end: 1.2rem;
  inset-block-start: 50%;
  width: 0.7rem;
  height: 1.5px;
  background: var(--gold);
  transition: rotate var(--dur) var(--ease);
}

.faq__item summary::before {
  rotate: 90deg;
}

.faq__item[open] summary::before {
  rotate: 0deg;
}

.faq__body {
  padding: 0 1.2rem 1.1rem;
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.4fr);
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: start;
}

.emailrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-block-start: 0.6rem;
}

.email {
  direction: ltr;
  unicode-bidi: isolate;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.channels {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.channel {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.1rem 0.9rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  transition: border-color var(--dur) var(--ease);
}

.channel:hover,
.channel:focus-visible {
  border-color: var(--line-2);
}

.channel__key {
  color: var(--clay);
  font-size: var(--fs-small);
}

.channel__val {
  direction: ltr;
  unicode-bidi: isolate;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--cream);
}

.channel:hover .channel__val {
  color: var(--crimson-bright);
}

/* ------------------------------------------------------------ article */

.article {
  display: grid;
  gap: 0.9rem;
  color: var(--cream-dim);
  font-size: 0.98rem;
}

.article h3 {
  color: var(--cream);
  font-size: var(--fs-h3);
  margin-block-start: 0.4rem;
}

.article ul {
  display: grid;
  gap: 0.35rem;
  padding-inline-start: 1.1rem;
  list-style: none;
}

.article ul li {
  position: relative;
}

.article ul li::before {
  content: '';
  position: absolute;
  inset-inline-start: -1rem;
  inset-block-start: 0.62em;
  width: 0.4em;
  height: 0.4em;
  rotate: 45deg;
  background: var(--crimson-bright);
}

.article pre {
  margin: 0;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-1);
  background: rgba(20, 10, 12, 0.85);
  direction: ltr;
  text-align: left;
}

.article code {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
}

.article a {
  overflow-wrap: anywhere;
}

/* ======================================================== 7. hero panel */

.hero {
  display: grid;
  gap: clamp(0.8rem, 2vh, 1.3rem);
  justify-items: center;
  text-align: center;
  padding: clamp(1.6rem, 4vw, 3rem) clamp(1.2rem, 4vw, 3.4rem);
}

.hero__logo {
  inline-size: clamp(3.4rem, 8vw, 4.4rem);
  block-size: auto;
  border-radius: 28.75%;
  box-shadow:
    0 0 0 1px rgba(201, 162, 75, 0.3),
    0 22px 44px -20px rgba(155, 27, 48, 0.6);
}

.hero__mark {
  font-family: var(--font-en);
  font-size: var(--fs-mark);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--cream);
  text-transform: lowercase;
}

.hero__mark b {
  color: var(--crimson-bright);
  font-weight: 600;
}

.hero__who {
  max-width: 46ch;
  color: var(--cream-dim);
  font-size: var(--fs-lead);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem 1.6rem;
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.hero__metaKey {
  color: var(--clay);
}

.hero__metaVal {
  color: var(--cream);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  margin-block-start: 0.3rem;
}

.scrollhint {
  display: grid;
  justify-items: center;
  gap: 0.45rem;
  margin-block-start: 0.4rem;
  color: var(--cream-dim);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

html[lang^='fa'] .scrollhint {
  letter-spacing: 0;
}

.scrollhint__line {
  width: 1px;
  height: 2.2rem;
  background: linear-gradient(var(--hair), transparent);
  animation: hintDrop 2.4s ease-in-out infinite;
}

/* ================================================== 8. header, rail, … */

.site-head {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-head);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem 1.2rem;
  height: var(--head-h);
  padding-inline: clamp(0.9rem, 2.5vw, 1.6rem);
}

.site-head::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-block-end: 1px solid var(--line);
  background: linear-gradient(rgba(20, 10, 12, 0.88), rgba(20, 10, 12, 0.62));
  backdrop-filter: blur(var(--blur)) saturate(1.05);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.05);
}

@supports not (backdrop-filter: blur(1px)) {
  .site-head::before {
    background: rgba(20, 10, 12, 0.96);
  }
}

.wordmark {
  direction: ltr;
  unicode-bidi: isolate;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-en);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cream);
  text-decoration: none;
  text-transform: lowercase;
}

.wordmark__logo {
  inline-size: 1.6rem;
  block-size: 1.6rem;
  flex: none;
  border-radius: 28.75%;
  box-shadow: 0 0 0 1px rgba(201, 162, 75, 0.3);
}

.wordmark b {
  color: var(--crimson-bright);
  font-weight: 600;
}

.wordmark:hover {
  color: var(--cream);
}

.sitenav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.15rem 0.2rem;
}

.sitenav a {
  padding: 0.3rem 0.55rem;
  border-radius: var(--r-pill);
  color: var(--cream-dim);
  font-size: var(--fs-small);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.sitenav a:hover,
.sitenav a[aria-current='true'] {
  color: var(--cream);
  background: rgba(239, 227, 203, 0.07);
}

.sitenav a[aria-current='true'] {
  color: var(--gold);
}

.tools {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.langsw {
  display: flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(239, 227, 203, 0.04);
}

.langsw button {
  padding: 0.22rem 0.7rem;
  border: 0;
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--cream-dim);
  font-size: var(--fs-micro);
  font-weight: 600;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.langsw button[aria-pressed='true'] {
  background: rgba(155, 27, 48, 0.85);
  color: var(--cream);
}

.switch {
  direction: ltr;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 0;
  padding: 0;
  color: var(--cream-dim);
  font-size: var(--fs-micro);
}

.switch__track {
  position: relative;
  width: 2.5rem;
  height: 1.35rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: rgba(239, 227, 203, 0.06);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.switch__knob {
  position: absolute;
  inset-block-start: 2px;
  inset-inline-start: 2px;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--cream-dim);
  transition: translate var(--dur) var(--ease), background var(--dur) var(--ease);
}

.switch[aria-checked='true'] .switch__track {
  border-color: rgba(194, 38, 63, 0.7);
  background: rgba(155, 27, 48, 0.5);
}

.switch[aria-checked='true'] .switch__knob {
  translate: 1.14rem 0;
  background: var(--cream);
}

/* ------------------------------------------------------------- rail */

.rail {
  position: fixed;
  inset-block-start: 50%;
  inset-inline-end: clamp(0.6rem, 2vw, 1.4rem);
  translate: 0 -50%;
  z-index: var(--z-rail);
  display: grid;
  justify-items: end;
}

.rail__track {
  position: relative;
  display: grid;
  gap: 0.55rem;
  padding-block: 0.4rem;
}

.rail__track::before {
  content: '';
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0.66rem;
  width: 1px;
  background: var(--line);
}

.rail__fill {
  position: absolute;
  inset-block-start: 0;
  inset-inline-end: 0.66rem;
  width: 1px;
  height: calc(var(--p, 0) * 100%);
  background: linear-gradient(var(--gold), var(--crimson-bright));
}

.rail__dot {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.5rem;
  min-height: 26px;
  padding: 0;
  border: 0;
  background: none;
}

.rail__mark {
  grid-column: 2;
  justify-self: end;
  width: 9px;
  height: 9px;
  margin-inline-end: 0.18rem;
  rotate: 45deg;
  border: 1px solid var(--hair);
  background: var(--bg-2);
  transition: background var(--dur) var(--ease), scale var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.rail__dot:hover .rail__mark,
.rail__dot:focus-visible .rail__mark {
  border-color: var(--gold);
  background: var(--clay);
}

.rail__dot.is-active .rail__mark {
  border-color: var(--gold);
  background: var(--crimson-bright);
  scale: 1.25;
  box-shadow: 0 0 0 4px rgba(194, 38, 63, 0.22);
}

.rail__dot[aria-current='true'] .rail__mark {
  background: var(--crimson-bright);
}

.rail__label {
  grid-column: 1;
  justify-self: end;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  color: var(--cream-dim);
  font-size: var(--fs-micro);
  opacity: 0;
  transition: max-width var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.rail__dot:hover .rail__label,
.rail__dot:focus-visible .rail__label {
  max-width: 12rem;
  opacity: 1;
}

/* ------------------------------------------------------------ modal */

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: var(--sp-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}

.modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal__scrim {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  background: rgba(10, 5, 6, 0.72);
  cursor: pointer;
}

.modal__panel {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  width: min(100%, 40rem);
  max-height: min(88vh, 52rem);
  padding: clamp(1.2rem, 3vw, 1.8rem);
  translate: 0 14px;
  scale: 0.985;
  transition: translate var(--dur) var(--ease), scale var(--dur) var(--ease);
}

.modal.is-open .modal__panel {
  translate: 0 0;
  scale: 1;
}

.modal--lg .modal__panel {
  width: min(100%, 52rem);
}

.modal--sm .modal__panel {
  width: min(100%, 26rem);
}

.modal__head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.modal__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

html[lang^='fa'] .modal__title {
  font-weight: 400;
}

.modal__body {
  margin-block-start: 0.9rem;
  padding-inline-end: 0.3rem;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.modal__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 0.6rem;
  margin-block-start: 1rem;
}

/* ------------------------------------------------------------ toast */

.toast {
  position: fixed;
  inset-block-end: clamp(1rem, 4vh, 2rem);
  inset-inline: 0;
  margin-inline: auto;
  width: max-content;
  max-width: min(90vw, 26rem);
  z-index: var(--z-toast);
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: rgba(36, 20, 24, 0.95);
  box-shadow: var(--shadow-2);
  color: var(--cream);
  font-size: var(--fs-small);
  text-align: center;
  opacity: 0;
  translate: 0 12px;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), translate var(--dur) var(--ease);
}

.toast.is-on {
  opacity: 1;
  translate: 0 0;
}

/* --------------------------------------------------------- map overlay */

.mapov {
  position: fixed;
  inset: 0;
  z-index: var(--z-map);
  display: grid;
  padding: 0;
}

.mapov__panel {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100%;
  padding: clamp(1rem, 3vw, 1.8rem) clamp(1rem, 3.5vw, 2.4rem);
  border: 0;
  border-radius: 0;
  background:
    radial-gradient(90% 80% at 50% 0%, rgba(155, 27, 48, 0.16), transparent 55%),
    rgba(20, 10, 12, 0.94);
  opacity: 0;
  translate: 0 -10px;
  transition: opacity var(--dur) var(--ease), translate var(--dur) var(--ease);
}

.mapov.is-open .mapov__panel {
  opacity: 1;
  translate: 0 0;
}

.mapov__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block-end: 0.9rem;
  border-block-end: 1px solid var(--line);
}

.mapov__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
}

html[lang^='fa'] .mapov__title {
  font-weight: 400;
}

.mapov__canvas {
  position: relative;
  min-width: 720px;
  min-height: 460px;
  margin: 0 auto;
}

.mapov__scroll {
  overflow: auto;
  overscroll-behavior: contain;
}

.mapov__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.mapov__path {
  fill: none;
  stroke: rgba(201, 162, 75, 0.5);
  stroke-width: 2;
  stroke-dasharray: 2 7;
  stroke-linecap: round;
}

.mapnode {
  position: absolute;
  left: var(--nx, 50%);
  top: var(--ny, 50%);
  translate: -50% -50%;
  display: grid;
  justify-items: center;
  gap: 0.3rem;
  min-width: 6.5rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid transparent;
  border-radius: var(--r-1);
  background: none;
  color: var(--cream-dim);
  text-align: center;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.mapnode:hover,
.mapnode:focus-visible {
  color: var(--cream);
  border-color: var(--line-2);
  background: rgba(239, 227, 203, 0.05);
}

.mapnode__dot {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--hair);
  border-radius: 50%;
  background: var(--bg-2);
  color: var(--gold);
}

.mapnode__dot svg {
  width: 1.05rem;
  height: 1.05rem;
}

.mapnode__label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: inherit;
}

.mapnode__sections {
  font-size: var(--fs-micro);
  color: var(--cream-dim);
  line-height: 1.5;
}

.mapnode.is-current {
  color: var(--cream);
}

.mapnode.is-current .mapnode__dot {
  border-color: var(--gold);
  background: var(--crimson);
  color: var(--cream);
}

.mapnode.is-current .mapnode__dot::after {
  content: '';
  position: absolute;
  inset: -1px;
  border: 1px solid var(--crimson-bright);
  border-radius: 50%;
  animation: mapPulse 1.8s ease-out infinite;
}

html[dir='rtl'] .mapov__canvas {
  direction: rtl;
}

html[dir='rtl'] .mapnode {
  direction: rtl;
}

/* ------------------------------------------------------------ footer */

.footer {
  position: relative;
  z-index: var(--z-flow);
  border-block-start: 1px solid var(--line);
  background: linear-gradient(rgba(24, 12, 15, 0.5), rgba(20, 10, 12, 0.95));
  padding: clamp(2.4rem, 6vw, 4rem) var(--gutter) calc(2rem + env(safe-area-inset-bottom));
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(1.4rem, 4vw, 3rem);
  width: min(100%, var(--maxw));
  margin-inline: auto;
}

.footer h2 {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--clay);
  margin-block-end: 0.6rem;
}

.footer ul {
  display: grid;
  gap: 0.35rem;
}

.footer ul a {
  color: var(--cream-dim);
  font-size: var(--fs-small);
  text-decoration: none;
}

.footer ul a:hover {
  color: var(--cream);
}

.footer__brand p {
  max-width: 34ch;
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

.footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.4rem;
  width: min(100%, var(--maxw));
  margin: clamp(2rem, 5vw, 3rem) auto 0;
  padding-block-start: 1.1rem;
  border-block-start: 1px solid var(--line);
  color: var(--cream-dim);
  font-size: var(--fs-micro);
}

.footer__base .email {
  font-size: var(--fs-micro);
}

/* ================================== 9. classic mode & no-JS fallbacks */

body.is-classic .stage,
body.is-classic .rail,
html:not(.js) .stage,
html:not(.js) .rail {
  display: none !important;
}

body.is-classic .flow,
html:not(.js) .flow {
  margin-top: 0;
}

body.is-classic .panel,
html:not(.js) .panel {
  min-height: 0;
  align-content: start;
  padding-block: clamp(3rem, 8vw, 5rem);
}

body.is-classic .spacer,
body.is-classic .flow__tail,
html:not(.js) .spacer,
html:not(.js) .flow__tail {
  display: none;
}

body.is-classic .scrollhint,
html:not(.js) .scrollhint {
  display: none;
}

body.is-classic .panel--hero,
html:not(.js) .panel--hero {
  background:
    radial-gradient(110% 85% at 50% -10%, rgba(155, 27, 48, 0.3), transparent 60%),
    radial-gradient(90% 70% at 50% 15%, #2a1116, var(--bg) 70%);
}

html:not(.js) .journey {
  --travel: 0px;
}

/* reveal-on-scroll (only when JS is on and motion allowed) */

html.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

html.js .reveal.is-near {
  opacity: 1;
  transform: none;
}

html.js .reveal--d1 {
  transition-delay: 0.08s;
}

html.js .reveal--d2 {
  transition-delay: 0.16s;
}

html.js .reveal--d3 {
  transition-delay: 0.24s;
}

html.js .reveal--d4 {
  transition-delay: 0.32s;
}

html.js .reveal--d5 {
  transition-delay: 0.4s;
}

/* ================================= 9.5 renderer appendix (data-driven) */

/* Filter row shared by the products wall: chips left, count right. */
.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1rem;
}

/* Small muted tally / loading line used by every data-driven section. */
.count {
  color: var(--cream-dim);
  font-size: var(--fs-micro);
}

/* Summary line inside a notes card (the card itself is the button). */
.note__desc {
  color: var(--cream-dim);
  font-size: var(--fs-small);
}

/* Footer row of a case-study card: tech pills on the start edge, button last. */
.card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 0.75rem;
  margin-top: 0.35rem;
}

/* ================================================== 10. media & motion */

@media (max-width: 1100px) {
  .sitenav {
    display: none;
  }
}

@media (max-width: 1000px) {
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .lab__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .journey {
    --persp: 820px;
    --travel: 1050px;
  }

  .grid--2,
  .grid--3,
  .grid--4,
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .rail {
    inset-inline-end: 0.45rem;
  }

  .rail__track {
    gap: 0.4rem;
  }

  .rail__dot {
    min-height: 22px;
  }

  .rail__label {
    display: none;
  }

  .switch__label {
    display: none;
  }

  .hero {
    padding: 1.2rem 1rem;
  }

  .mapov__canvas {
    min-width: 640px;
  }
}

@media (max-width: 560px) {
  .form__row {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .out__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
  }

  .scrollhint__line {
    animation: none;
  }
}

@media print {
  .stage,
  .rail,
  .site-head,
  .mapov,
  .toast,
  .modal,
  .scrollhint,
  .spacer,
  .flow__tail,
  .skip-link {
    display: none !important;
  }

  html,
  body {
    background: #fff;
    color: #1a1012;
  }

  .glass,
  .card,
  .faq__item,
  .note {
    border-color: #c9bfae;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  .flow {
    margin-top: 0;
  }

  .panel {
    min-height: 0;
    padding-block: 1.5rem;
    break-inside: avoid;
  }

  a {
    color: inherit;
  }
}