/* ==========================================================================
   HH Academy — design system v2
   Near-black canvas, large drifting ambient glows, and layered panels in
   perspective. The signature is the panel stack: a setup goes in on one
   panel, the graded journal comes out on the next.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Canvas — near-black, very slightly cool so the glows read as light */
  --void:        #050507;
  --surface:     #0c0d11;
  --surface-2:   #13151b;
  --surface-3:   #1c1f27;
  --line:        rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.14);

  /* Ember stays the brand accent; the cool hues are ambient light only */
  --ember:       #f4610d;
  --ember-lit:   #ff8a3d;
  --flare:       #ffb340;
  --ember-dim:   rgba(244, 97, 13, 0.13);
  --ember-glow:  rgba(244, 97, 13, 0.42);

  --azure:       #2b6cf6;
  --violet:      #7c5cff;
  --teal:        #18c2b4;

  /* Text */
  --text:        #f4f5f7;
  --text-muted:  #a9aeba;
  --text-faint:  #757b89;

  /* Syntax */
  --syn-key:     #7fb3ff;
  --syn-str:     #7fd88f;
  --syn-num:     #ffb340;
  --syn-punct:   #6b7280;
  --syn-mark:    rgba(43, 108, 246, 0.35);

  --up:          #4ade80;
  --down:        #f87171;

  /* Type */
  --font-display: 'Sora', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Manrope', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --step--2: clamp(0.70rem, 0.68rem + 0.08vw, 0.75rem);
  --step--1: clamp(0.80rem, 0.78rem + 0.10vw, 0.86rem);
  --step-0:  clamp(0.95rem, 0.92rem + 0.15vw, 1.05rem);
  --step-1:  clamp(1.12rem, 1.05rem + 0.34vw, 1.36rem);
  --step-2:  clamp(1.40rem, 1.26rem + 0.70vw, 1.90rem);
  --step-3:  clamp(1.75rem, 1.48rem + 1.35vw, 2.70rem);
  --step-4:  clamp(2.15rem, 1.68rem + 2.35vw, 3.70rem);
  --step-5:  clamp(2.60rem, 1.85rem + 3.75vw, 5.00rem);

  --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: 4rem;     --sp-9: 6rem;
  --sp-10: 8rem;

  --r-sm: 8px;  --r-md: 14px;  --r-lg: 20px;  --r-xl: 28px;  --r-pill: 999px;
  --container: 1200px;
  --nav-h: 68px;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 160ms;
  --dur:      280ms;
  --dur-slow: 620ms;

  --shadow-card:  0 1px 2px rgba(0,0,0,.5), 0 16px 40px -16px rgba(0,0,0,.8);
  --shadow-panel: 0 2px 6px rgba(0,0,0,.5), 0 40px 80px -24px rgba(0,0,0,.9);
}

/* --------------------------------------------------------------------------
   2. Reset
   -------------------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--sp-5));
}

body {
  background: var(--void);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }

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

::selection { background: var(--ember); color: #fff; }

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

h1 { font-size: var(--step-5); letter-spacing: -0.04em; }
h2 { font-size: var(--step-4); letter-spacing: -0.035em; }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p { text-wrap: pretty; }

/* Two-tone heading: first line white, continuation muted. Borrowed structure,
   used here to separate the promise from the qualifier. */
.h-dim { color: var(--text-faint); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 5px 13px 5px 9px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(12px);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 10px 2px var(--ember-glow);
}

.lede {
  font-size: var(--step-1);
  color: var(--text-muted);
  max-width: 56ch;
  line-height: 1.6;
}

.mono, .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

/* Dotted underline, drawn in on reveal — echoes the reference's hero mark */
.dotted {
  position: relative;
  white-space: nowrap;
}
.dotted::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -0.14em;
  height: 5px;
  background-image: radial-gradient(circle, var(--ember) 42%, transparent 45%);
  background-size: 11px 5px;
  background-repeat: repeat-x;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 900ms var(--ease-out) 260ms;
}
.is-visible .dotted::after, .dotted.is-visible::after { transform: scaleX(1); }

/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}
.container--narrow { max-width: 840px; }

.section {
  position: relative;
  padding-block: clamp(var(--sp-8), 9vw, var(--sp-10));
}
.section--tight { padding-block: var(--sp-8); }

.section-head {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: var(--sp-8);
  display: grid;
  gap: var(--sp-4);
  justify-items: center;
}
.section-head p { color: var(--text-muted); }

.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.stack { display: grid; gap: var(--sp-4); }
.row { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.divider { height: 1px; background: var(--line); border: 0; }

/* --------------------------------------------------------------------------
   5. Ambient glow field — the atmosphere
   -------------------------------------------------------------------------- */

.glows {
  position: absolute;
  inset: -20% 0 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.glow {
  position: absolute;
  width: var(--g-size, 46vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--g-color, var(--ember)) 0%, transparent 66%);
  opacity: var(--g-opacity, 0.20);
  filter: blur(var(--g-blur, 60px));
  will-change: transform;
}

/* Named placements so each section gets its own light signature */
.glow--ember  { --g-color: #f4610d; --g-opacity: .26; }
.glow--azure  { --g-color: #2b6cf6; --g-opacity: .22; }
.glow--violet { --g-color: #7c5cff; --g-opacity: .18; }
.glow--teal   { --g-color: #18c2b4; --g-opacity: .14; }

.glow--drift-a { animation: drift-a 26s var(--ease-soft) infinite alternate; }
.glow--drift-b { animation: drift-b 32s var(--ease-soft) infinite alternate; }
.glow--drift-c { animation: drift-c 38s var(--ease-soft) infinite alternate; }

@keyframes drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(6vw, 4vh, 0) scale(1.14); }
}
@keyframes drift-b {
  from { transform: translate3d(0, 0, 0) scale(1.08); }
  to   { transform: translate3d(-7vw, 5vh, 0) scale(0.94); }
}
@keyframes drift-c {
  from { transform: translate3d(0, 2vh, 0) scale(0.96); }
  to   { transform: translate3d(5vw, -4vh, 0) scale(1.12); }
}

/* Fine grain stops large dark gradients from banding */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --------------------------------------------------------------------------
   5b. Preloader — home page, first visit of a session
   Hidden by default and only revealed once the inline script in
   partials/preloader.html adds .js-loader to <html>. That ordering means a
   visitor without JavaScript never sees it and never waits for it.
   -------------------------------------------------------------------------- */

:root {
  --load-fill: 3.2s;   /* bar fill / counter run */
  --load-exit: 0.55s;  /* fade out */
}

.loader { display: none; }

html.js-loader { overflow: hidden; }

html.js-loader .loader {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  background: var(--void);
  cursor: pointer;
  animation: loader-out var(--load-exit) var(--ease-out) var(--load-fill) forwards;
}

@keyframes loader-out {
  to { opacity: 0; visibility: hidden; }
}

/* Ambient ember behind the mark, same light as the rest of the site */
.loader__glow {
  position: absolute;
  top: 50%; left: 50%;
  translate: -50% -50%;
  width: 62vw;
  max-width: 760px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244,97,13,.22) 0%, transparent 62%);
  filter: blur(50px);
  animation: loader-breathe 3.4s var(--ease-soft) infinite alternate;
}
@keyframes loader-breathe {
  from { opacity: .55; scale: .92; }
  to   { opacity: 1;   scale: 1.06; }
}

.loader__inner {
  position: relative;
  display: grid;
  justify-items: center;
  gap: var(--sp-5);
  width: min(320px, 76vw);
  text-align: center;
}

.loader__brand { display: grid; justify-items: center; gap: var(--sp-3); }

.loader__mark {
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  border-radius: 15px;
  background: linear-gradient(145deg, var(--ember), #c74400);
  box-shadow: 0 10px 34px -8px var(--ember-glow);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: #fff;
  animation: loader-mark 620ms var(--ease-out) both;
}
@keyframes loader-mark {
  from { opacity: 0; scale: .82; translate: 0 6px; }
  to   { opacity: 1; scale: 1;   translate: 0 0; }
}

.loader__word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  letter-spacing: -0.03em;
  animation: loader-fade 620ms var(--ease-out) 120ms both;
}
@keyframes loader-fade {
  from { opacity: 0; translate: 0 6px; }
  to   { opacity: 1; translate: 0 0; }
}

.loader__bar {
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--surface-3);
  overflow: hidden;
  animation: loader-fade 620ms var(--ease-out) 200ms both;
}

.loader__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform-origin: 0 50%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--ember), var(--flare));
  box-shadow: 0 0 12px var(--ember-glow);
  /* Eased so it does not read as a fake linear progress bar */
  animation: loader-fill var(--load-fill) cubic-bezier(0.32, 0.72, 0.28, 1) forwards;
}
@keyframes loader-fill {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.loader__meta {
  width: 100%;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  font-size: var(--step--2);
  color: var(--text-faint);
  animation: loader-fade 620ms var(--ease-out) 260ms both;
}
.loader__status { transition: opacity var(--dur) var(--ease-soft); }
.loader__status.is-swapping { opacity: 0; }
.loader__pct { color: var(--text-muted); }

.loader__skip {
  position: absolute;
  bottom: var(--sp-7);
  left: 50%;
  translate: -50% 0;
  font-size: var(--step--2);
  color: var(--text-faint);
  letter-spacing: 0.04em;
  opacity: 0;
  animation: loader-fade 500ms var(--ease-out) 1.4s forwards;
}

/* --------------------------------------------------------------------------
   6. Scroll progress
   -------------------------------------------------------------------------- */

.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  transform-origin: 0 50%;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--ember), var(--flare));
  box-shadow: 0 0 12px var(--ember-glow);
  z-index: 100;
}
@supports (animation-timeline: scroll()) {
  .scroll-progress {
    animation: progress-grow linear both;
    animation-timeline: scroll(root block);
  }
}
@keyframes progress-grow { to { transform: scaleX(1); } }

/* --------------------------------------------------------------------------
   7. Buttons — light primary, matching the reference's inverted CTA
   -------------------------------------------------------------------------- */

.btn {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  --btn-bd: var(--line-strong);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.78em 1.5em;
  border: 1px solid var(--btn-bd);
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-display);
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  transition: transform var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-soft),
              background-color var(--dur) var(--ease-soft),
              box-shadow var(--dur) var(--ease-soft);
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--light {
  --btn-bg: #eceef2;
  --btn-fg: #08090c;
  --btn-bd: transparent;
  box-shadow: 0 8px 26px -10px rgba(255, 255, 255, 0.35);
}
.btn--light:hover { --btn-bg: #fff; box-shadow: 0 14px 34px -12px rgba(255,255,255,.45); }

.btn--primary {
  --btn-bg: var(--ember);
  --btn-fg: #fff;
  --btn-bd: transparent;
  box-shadow: 0 8px 26px -10px var(--ember-glow);
}
.btn--primary:hover { --btn-bg: var(--ember-lit); box-shadow: 0 14px 34px -12px var(--ember-glow); }

.btn--dark {
  --btn-bg: var(--surface-2);
  --btn-bd: var(--line-strong);
}
.btn--dark:hover { --btn-bg: var(--surface-3); --btn-bd: rgba(255,255,255,.24); }

.btn--ghost:hover { --btn-bd: var(--ember); background: var(--ember-dim); }

.btn--lg { padding: 0.95em 1.9em; font-size: var(--step-1); }
.btn--sm { padding: 0.58em 1.1em; font-size: var(--step--1); }
.btn--block { width: 100%; }

.btn__arrow { transition: translate var(--dur) var(--ease-out); }
.btn:hover .btn__arrow { translate: 3px 0; }

/* --------------------------------------------------------------------------
   8. Navigation
   -------------------------------------------------------------------------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  transition: background-color var(--dur) var(--ease-soft),
              border-color var(--dur) var(--ease-soft),
              backdrop-filter var(--dur) var(--ease-soft);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(5, 5, 7, 0.82);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  height: var(--nav-h);
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-0);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--ember), #c74400);
  box-shadow: 0 4px 14px -4px var(--ember-glow);
  font-size: 0.78rem;
  font-weight: 800;
  color: #fff;
}
.brand__sub {
  display: block;
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  line-height: 1;
  margin-top: 2px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin-inline: auto;
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0.5rem 0.7rem;
  border-radius: var(--r-sm);
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--text-muted);
  /* Russian and Uzbek labels are considerably longer than the English ones;
     without this they wrap mid-item and break the bar's height. */
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-soft);
}
.nav__link:hover { color: var(--text); }
.nav__link[aria-current="page"] { color: var(--text); }
.nav__link[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  translate: -50% 0;
  width: 14px; height: 2px;
  border-radius: 2px;
  background: var(--ember);
  box-shadow: 0 0 8px var(--ember-glow);
}

.nav__caret { transition: rotate var(--dur) var(--ease-soft); }
.nav__item.is-open .nav__caret { rotate: 180deg; }
.nav__item { position: relative; }

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  translate: -50% 0;
  min-width: 270px;
  padding: var(--sp-3);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(14, 15, 20, 0.97);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-panel);
  display: grid;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out),
              visibility var(--dur);
}
.nav__item.is-open .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

.dropdown__link {
  display: grid;
  gap: 2px;
  padding: var(--sp-3);
  border-radius: var(--r-sm);
  transition: background-color var(--dur-fast) var(--ease-soft);
}
.dropdown__link:hover { background: rgba(255,255,255,.06); }
.dropdown__link strong { font-size: var(--step--1); font-weight: 600; }
.dropdown__link span { font-size: var(--step--1); color: var(--text-faint); line-height: 1.4; }

.nav__actions { display: flex; align-items: center; gap: var(--sp-4); flex-shrink: 0; }

.nav__util {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--step--1);
  color: var(--text-muted);
  transition: color var(--dur-fast) var(--ease-soft);
}
.nav__util:hover { color: var(--text); }

/* ---------- Language switcher ---------- */
.lang__trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--text-muted);
  font-size: var(--step--1);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-soft),
              border-color var(--dur-fast) var(--ease-soft),
              background-color var(--dur-fast) var(--ease-soft);
}
.lang__trigger:hover,
.nav__item.is-open .lang__trigger {
  color: var(--text);
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.05);
}
.lang__code { font-weight: 600; letter-spacing: .04em; }

/* Right-aligned so it never overflows the viewport edge. */
.dropdown--lang {
  left: auto;
  right: 0;
  translate: none;
  min-width: 172px;
}

.lang__option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: var(--step--1);
  text-align: left;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-soft);
}
.lang__option:hover { background: rgba(255,255,255,.06); }
.lang__option-code {
  min-width: 2.1em;
  font-family: var(--font-mono, monospace);
  font-weight: 700;
  color: var(--text-faint);
}
.lang__option-name { color: var(--text-muted); }
.lang__option.is-active .lang__option-code { color: var(--ember); }
.lang__option.is-active .lang__option-name { color: var(--text); font-weight: 600; }

/* Language switcher. Reuses .nav__item / .has-dropdown so it inherits the
   nav's open-close and click-outside behaviour. */
.lang { flex-shrink: 0; }

.lang__trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.42rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--dur-fast) var(--ease-soft),
              border-color var(--dur-fast) var(--ease-soft);
}
.lang__trigger:hover { color: var(--text); border-color: var(--line-strong); }
.lang__code { letter-spacing: 0.04em; }

/* Anchored to the right edge — the trigger sits at the end of the bar, so a
   centred dropdown would overflow the viewport. */
.dropdown--lang {
  left: auto;
  right: 0;
  translate: none;
  min-width: 190px;
}
.nav__item.is-open .dropdown--lang { transform: translateY(0); }

.dropdown--lang form { display: block; }

.lang__option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--r-sm);
  text-align: left;
  font-size: var(--step--1);
  color: var(--text-muted);
  transition: background-color var(--dur-fast) var(--ease-soft),
              color var(--dur-fast) var(--ease-soft);
}
.lang__option:hover { background: rgba(255,255,255,.06); color: var(--text); }
.lang__option.is-active { color: var(--ember-lit); }

.lang__option-code {
  display: grid;
  place-items: center;
  min-width: 30px;
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-faint);
}
.lang__option.is-active .lang__option-code {
  border-color: rgba(244,97,13,.4);
  background: var(--ember-dim);
  color: var(--ember-lit);
}
.lang__option-name { flex: 1; }

.nav__burger {
  display: none;
  width: 38px; height: 38px;
  place-items: center;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
}
.nav__burger span {
  display: block;
  width: 15px; height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease-out), opacity var(--dur-fast);
}
.nav__burger span + span { margin-top: 4px; }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   9. Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + var(--sp-8));
  padding-bottom: var(--sp-8);
  isolation: isolate;
  overflow: hidden;
}
.hero__inner { position: relative; z-index: 2; }
.hero__copy { display: grid; gap: var(--sp-5); }
.hero__actions { display: flex; gap: var(--sp-3); flex-wrap: wrap; }

.hero--center { text-align: center; }
.hero--center .hero__copy { max-width: 800px; margin-inline: auto; justify-items: center; }
.hero--center .lede { margin-inline: auto; }
.hero--center .hero__actions { justify-content: center; }

.hero__split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: var(--sp-7);
  align-items: center;
}
/* A split hero has roughly half the width of a centred one, so the display
   size steps down to keep the headline to two or three lines. */
.hero__split h1 { font-size: var(--step-4); }

/* Award-style proof chips */
.proofs { display: flex; gap: var(--sp-5); flex-wrap: wrap; }
.proof { display: flex; align-items: center; gap: var(--sp-2); }
.proof__medal {
  display: grid;
  place-items: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--ember), #b93d00);
  font-size: 0.6rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.proof__text { display: grid; line-height: 1.25; }
.proof__text small {
  font-size: 0.6rem;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  font-weight: 600;
}
.proof__text strong { font-size: var(--step--1); }

/* --------------------------------------------------------------------------
   10. Panel stack — the signature
   -------------------------------------------------------------------------- */

.stage {
  position: relative;
  perspective: 1800px;
  perspective-origin: 60% 40%;
  min-height: 520px;
}

.stage__inner {
  position: relative;
  transform-style: preserve-3d;
  /* --px/--py are written by JS from pointer position */
  transform: rotateY(calc(var(--px, 0) * -7deg))
             rotateX(calc(var(--py, 0) * 5deg));
  transition: transform 500ms var(--ease-out);
}

.panel {
  position: absolute;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(19, 21, 27, 0.97), rgba(10, 11, 15, 0.97));
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
  transform: translate3d(var(--x, 0), var(--y, 0), var(--z, 0));
}

.panel__bar {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  font-size: var(--step--2);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.panel__dots { display: flex; gap: 5px; }
.panel__dots i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--surface-3);
}
.panel__body { padding: 0.85rem 1rem; }

/* Panel roles in the stack. The browser sits back and to the left so it stays
   readable behind the two foreground panels rather than being fully covered. */
.panel--browser { --x: 0;    --y: 0;     --z: -150px; width: 54%; left: -7%;  top: 92px; }
.panel--query   { --x: 0;    --y: -14px; --z: 70px;   width: 56%; right: 0;   top: 0; }
.panel--out     { --x: -8px; --y: 0;     --z: 20px;   width: 60%; right: 3%;  top: 236px; }

/* Code */
.code {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  line-height: 1.75;
  white-space: pre;
  overflow-x: auto;
  counter-reset: ln;
}
.code .ln { display: block; position: relative; padding-left: 2.1em; }
.code .ln::before {
  counter-increment: ln;
  content: counter(ln);
  position: absolute;
  left: 0;
  width: 1.5em;
  text-align: right;
  color: var(--syn-punct);
  opacity: .65;
}
.k { color: var(--syn-key); }
.s { color: var(--syn-str); }
.n { color: var(--syn-num); }
.c { color: var(--syn-punct); }
.mark {
  background: var(--syn-mark);
  border-radius: 3px;
  padding: 1px 3px;
  margin: 0 -1px;
}

/* Typed caret */
.caret {
  display: inline-block;
  width: 7px;
  height: 1.05em;
  vertical-align: text-bottom;
  background: var(--ember-lit);
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

/* Rows that populate one at a time in the output panel */
.code .ln[data-pop] {
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 320ms var(--ease-out), transform 320ms var(--ease-out);
}
.code .ln[data-pop].is-in { opacity: 1; transform: none; }

/* Mini chart inside the browser panel */
.mini-chart { width: 100%; height: 118px; }
.mini-chart .gl { stroke: rgba(255,255,255,.05); stroke-width: 1; }
.mini-chart .ln2 {
  fill: none;
  stroke: var(--ember-lit);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 6px var(--ember-glow));
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
}
.is-visible .mini-chart .ln2 { animation: draw-line 1900ms var(--ease-out) 420ms forwards; }
@keyframes draw-line { to { stroke-dashoffset: 0; } }
.mini-chart .fill { fill: url(#panelFade); opacity: 0; transition: opacity 700ms 1400ms; }
.is-visible .mini-chart .fill { opacity: 1; }

/* Tabs above the stage */
.tabs {
  display: inline-flex;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(255,255,255,.03);
  backdrop-filter: blur(12px);
}
.tab {
  padding: 0.45em 1em;
  border-radius: var(--r-pill);
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--text-faint);
  transition: color var(--dur) var(--ease-soft),
              background-color var(--dur) var(--ease-soft);
}
.tab:hover { color: var(--text-muted); }
.tab[aria-selected="true"] {
  color: var(--text);
  background: var(--surface-3);
}

/* --------------------------------------------------------------------------
   11. Bento grid
   -------------------------------------------------------------------------- */

.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--sp-4);
}
.bento > * { grid-column: span 3; }
.bento .span-2 { grid-column: span 2; }
.bento .span-3 { grid-column: span 3; }
.bento .span-4 { grid-column: span 4; }
.bento .span-6 { grid-column: span 6; }

.bento-card {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 300px;
  padding: var(--sp-5);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  overflow: hidden;
  transition: transform var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-soft);
}
.bento-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }

/* Each card carries its own coloured light, set per-card via --card-glow */
.bento-card::before {
  content: '';
  position: absolute;
  top: -35%; left: 50%;
  translate: -50% 0;
  width: 130%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--card-glow, var(--azure)) 0%, transparent 62%);
  opacity: 0.16;
  filter: blur(42px);
  transition: opacity var(--dur-slow) var(--ease-soft);
  pointer-events: none;
}
.bento-card:hover::before { opacity: 0.30; }

.bento-card__art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 150px;
  margin-bottom: var(--sp-5);
}
.bento-card__body { position: relative; }
.bento-card h3 { font-size: var(--step-1); margin-bottom: var(--sp-2); }
.bento-card p { font-size: var(--step--1); color: var(--text-muted); }
.bento-card a.inline { color: var(--ember-lit); }
.bento-card a.inline:hover { text-decoration: underline; }

/* Floating app-icon tiles used as card art */
.tiles { display: flex; gap: var(--sp-3); align-items: center; }
.tile {
  display: grid;
  place-items: center;
  width: 62px; height: 62px;
  border-radius: 16px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(150deg, var(--surface-3), var(--surface));
  box-shadow: 0 12px 28px -12px rgba(0,0,0,.9);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step--1);
  animation: bob 5s var(--ease-soft) infinite alternate;
}
.tile:nth-child(2) { animation-delay: -1.6s; transform: translateY(-10px) scale(1.08); }
.tile:nth-child(3) { animation-delay: -3.2s; }
@keyframes bob {
  from { translate: 0 0; }
  to   { translate: 0 -9px; }
}

/* --------------------------------------------------------------------------
   12. Stepper — list drives a panel
   -------------------------------------------------------------------------- */

.stepper {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--sp-8);
  align-items: center;
}

.steps { display: grid; gap: 2px; }

.step {
  position: relative;
  padding: var(--sp-4) var(--sp-4) var(--sp-4) var(--sp-5);
  border-left: 2px solid var(--line);
  color: var(--text-faint);
  font-size: var(--step-0);
  text-align: left;
  width: 100%;
  transition: color var(--dur) var(--ease-soft),
              border-color var(--dur) var(--ease-soft);
}
.step:hover { color: var(--text-muted); }
.step[aria-selected="true"] {
  color: var(--text);
  border-left-color: var(--ember);
}
/* Progress fill that runs while a step is active */
.step[aria-selected="true"]::before {
  content: '';
  position: absolute;
  left: -2px; top: 0;
  width: 2px;
  background: var(--ember-lit);
  box-shadow: 0 0 10px var(--ember-glow);
  animation: step-fill 6s linear forwards;
}
@keyframes step-fill { from { height: 0; } to { height: 100%; } }

.step-panels { position: relative; min-height: 380px; }
.step-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px) scale(0.985);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out),
              visibility var(--dur-slow);
}
.step-panel.is-active { opacity: 1; visibility: visible; transform: none; }

/* --------------------------------------------------------------------------
   13. Cards
   -------------------------------------------------------------------------- */

.card {
  position: relative;
  padding: var(--sp-6);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-soft);
}
.card:hover { transform: translateY(-3px); border-color: var(--line-strong); }

.card--glow::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%),
              rgba(244, 97, 13, 0.12), transparent 66%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-soft);
  pointer-events: none;
}
.card--glow:hover::before { opacity: 1; }

.card__icon {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  margin-bottom: var(--sp-4);
  border-radius: 11px;
  border: 1px solid var(--line);
  background: var(--ember-dim);
  color: var(--ember-lit);
  font-size: 1.1rem;
}
.card h3 { margin-bottom: var(--sp-3); }
.card p  { color: var(--text-muted); font-size: var(--step-0); }

/* Compact icon+label rows */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
}
.pillar__icon {
  color: var(--text-faint);
  font-size: 1.15rem;
  margin-bottom: var(--sp-3);
}
.pillar h4 { font-size: var(--step-0); margin-bottom: var(--sp-2); }
.pillar p { font-size: var(--step--1); color: var(--text-faint); line-height: 1.55; }

/* Numbered sequence rows */
.step-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--sp-5);
  align-items: start;
  padding-block: var(--sp-6);
  border-top: 1px solid var(--line);
}
.step-row__n {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--ember);
  padding-top: 4px;
}
.step-row__body h4 { margin-bottom: var(--sp-2); }
.step-row__body p  { color: var(--text-muted); max-width: 62ch; }
.step-row__meta {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--text-faint);
  white-space: nowrap;
  padding-top: 4px;
}

/* --------------------------------------------------------------------------
   14. Ticker
   -------------------------------------------------------------------------- */

.ticker {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: rgba(255,255,255,.012);
  padding-block: var(--sp-3);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker__track {
  display: flex;
  gap: var(--sp-7);
  width: max-content;
  animation: ticker-scroll 46s linear infinite;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
@keyframes ticker-scroll { to { transform: translateX(-50%); } }

.ticker__item {
  display: inline-flex;
  align-items: baseline;
  gap: var(--sp-3);
  font-size: var(--step--1);
  white-space: nowrap;
}
.ticker__sym { font-weight: 700; letter-spacing: 0.04em; }
.ticker__px  { color: var(--text-muted); }
.ticker__chg.is-up   { color: var(--up); }
.ticker__chg.is-down { color: var(--down); }

/* --------------------------------------------------------------------------
   15. Stats / logos / rating
   -------------------------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--sp-5);
  padding-block: var(--sp-7);
}
.stat { text-align: center; display: grid; gap: var(--sp-2); }
.stat__value {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 700;
  letter-spacing: -0.035em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.stat__label { font-size: var(--step--1); color: var(--text-faint); letter-spacing: 0.03em; }

.rating {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-5);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--surface);
  font-size: var(--step--1);
}
.rating__stars { color: var(--ember); letter-spacing: 2px; }

.logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(var(--sp-5), 5vw, var(--sp-8));
  flex-wrap: wrap;
  opacity: 0.4;
  filter: grayscale(1);
}
.logos span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  letter-spacing: -0.02em;
}

/* --------------------------------------------------------------------------
   16. Pricing
   -------------------------------------------------------------------------- */

.toggle {
  position: relative;
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--surface);
}
.toggle__btn {
  position: relative;
  z-index: 1;
  padding: 0.52em 1.3em;
  border-radius: var(--r-pill);
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--dur) var(--ease-soft);
}
.toggle__btn[aria-selected="true"] { color: #fff; }
.toggle__thumb {
  position: absolute;
  top: 4px; bottom: 4px;
  border-radius: var(--r-pill);
  background: var(--ember);
  box-shadow: 0 4px 14px -4px var(--ember-glow);
  transition: transform var(--dur) var(--ease-out), width var(--dur) var(--ease-out);
}

.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  align-items: start;
}
.plan { position: relative; display: grid; gap: var(--sp-5); }
.plan--featured {
  border-color: rgba(244, 97, 13, 0.38);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(244,97,13,.13), transparent 60%),
    var(--surface);
}
.plan__badge {
  position: absolute;
  top: var(--sp-5); right: var(--sp-5);
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: var(--surface-3);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.plan--featured .plan__badge { background: var(--ember); color: #fff; }
.plan__name { display: flex; align-items: center; gap: var(--sp-3); }
.plan__name h3 { margin: 0; font-size: var(--step-1); }
.plan__price { display: flex; align-items: baseline; gap: var(--sp-2); }
.plan__amount {
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 700;
  letter-spacing: -0.045em;
  font-variant-numeric: tabular-nums;
}
.plan__period { color: var(--text-faint); font-size: var(--step--1); }
.plan__desc { color: var(--text-muted); font-size: var(--step--1); min-height: 3em; }
.plan__list { display: grid; gap: var(--sp-3); font-size: var(--step--1); }
.plan__list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: var(--sp-3);
  align-items: start;
  color: var(--text-muted);
}
.plan__list li::before { content: '✓'; color: var(--ember); font-size: 0.75rem; line-height: 1.6; }

.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-card);
}
.table-scroll { overflow-x: auto; }
table.compare { width: 100%; border-collapse: collapse; font-size: var(--step--1); min-width: 620px; }
table.compare th, table.compare td {
  padding: var(--sp-4) var(--sp-5);
  text-align: center;
  border-bottom: 1px solid var(--line);
}
table.compare thead th {
  background: var(--surface-2);
  font-family: var(--font-display);
  font-weight: 600;
}
table.compare thead th.is-featured { background: var(--ember); color: #fff; }
table.compare tbody th {
  text-align: left;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255,255,255,.012);
}
table.compare tbody tr:last-child th, table.compare tbody tr:last-child td { border-bottom: 0; }
table.compare tbody tr:hover td, table.compare tbody tr:hover th { background: rgba(255,255,255,.03); }
table.compare .val { font-family: var(--font-mono); }

/* --------------------------------------------------------------------------
   17. Testimonials
   -------------------------------------------------------------------------- */

.quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--sp-5); }
.quote { display: grid; gap: var(--sp-5); }
.quote blockquote { color: var(--text); font-size: var(--step-0); line-height: 1.7; }
.quote__author { display: flex; align-items: center; gap: var(--sp-3); }
.quote__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface-3);
  border: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step--1);
  color: var(--ember-lit);
  flex-shrink: 0;
}
.quote__meta { display: grid; }
.quote__meta strong { font-size: var(--step--1); }
.quote__meta span { font-size: var(--step--1); color: var(--text-faint); }
.quote__stars { color: var(--ember); letter-spacing: 2px; font-size: var(--step--1); }

/* --------------------------------------------------------------------------
   18. Blog
   -------------------------------------------------------------------------- */

.filters {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  flex-wrap: wrap;
  margin-bottom: var(--sp-6);
}
.chips { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.chip {
  padding: 0.42em 1em;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--dur-fast) var(--ease-soft);
}
.chip:hover { border-color: var(--line-strong); color: var(--text); }
.chip[aria-pressed="true"] { background: var(--ember); border-color: var(--ember); color: #fff; }

.field {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0.52em 1em;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--surface);
  transition: border-color var(--dur) var(--ease-soft);
}
.field:focus-within { border-color: var(--ember); }
.field input, .field select { background: none; border: 0; outline: none; font-size: var(--step--1); min-width: 0; }
.field select { cursor: pointer; }
.field select option { background: var(--surface-2); }

.posts { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--sp-5); }
.post { padding: 0; display: grid; grid-template-rows: auto 1fr; }
.post__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(150deg, rgba(244,97,13,.14), transparent 55%), var(--surface-2);
  display: grid;
  place-items: center;
}
.post__thumb:has(img)::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(244,97,13,.30), rgba(5,5,7,.55));
  mix-blend-mode: color;
}
.post__thumb img { width: 100%; height: 100%; object-fit: cover; transition: scale var(--dur-slow) var(--ease-out); }
.post:hover .post__thumb img { scale: 1.06; }

.post__art { width: 100%; height: 100%; }
.post__art .grid-line { stroke: rgba(255,255,255,.05); stroke-width: 1; }
.post__art .spark {
  fill: none;
  stroke: var(--ember-lit);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 6px var(--ember-glow));
}
.post__art .spark-fill { fill: url(#sparkFade); }

.post__body { padding: var(--sp-5); display: grid; gap: var(--sp-3); align-content: start; }
.tag {
  justify-self: start;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: var(--ember-dim);
  border: 1px solid rgba(244,97,13,.28);
  color: var(--ember-lit);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.post h3 { font-size: var(--step-1); margin: 0; }
.post__meta {
  display: flex;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  flex-wrap: wrap;
}
.empty-state {
  grid-column: 1 / -1;
  padding: var(--sp-9) var(--sp-5);
  text-align: center;
  color: var(--text-faint);
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-lg);
}

/* --------------------------------------------------------------------------
   19. Accordion
   -------------------------------------------------------------------------- */

.accordion { display: grid; gap: var(--sp-3); }
.acc {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease-soft);
}
.acc.is-open { border-color: rgba(244,97,13,.32); }
.acc__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-5);
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-0);
}
.acc__sign { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.acc__sign::before, .acc__sign::after {
  content: '';
  position: absolute;
  inset: 50% 0 auto 0;
  height: 1.5px;
  background: var(--ember);
  border-radius: 2px;
  transition: rotate var(--dur) var(--ease-out);
}
.acc__sign::after { rotate: 90deg; }
.acc.is-open .acc__sign::after { rotate: 0deg; }
.acc__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-slow) var(--ease-out);
}
.acc.is-open .acc__panel { grid-template-rows: 1fr; }
.acc__inner { overflow: hidden; }
.acc__inner > div { padding: 0 var(--sp-5) var(--sp-5); color: var(--text-muted); font-size: var(--step-0); }

/* --------------------------------------------------------------------------
   20. Forms
   -------------------------------------------------------------------------- */

.form { display: grid; gap: var(--sp-5); }
.form__group { display: grid; gap: var(--sp-2); }
.form__label { font-size: var(--step--1); font-weight: 600; color: var(--text-muted); }
.form__control {
  width: 100%;
  padding: 0.82em 1em;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface-2);
  outline: none;
  transition: border-color var(--dur) var(--ease-soft), box-shadow var(--dur) var(--ease-soft);
}
.form__control::placeholder { color: var(--text-faint); }
.form__control:focus { border-color: var(--ember); box-shadow: 0 0 0 3px var(--ember-dim); }
textarea.form__control { resize: vertical; min-height: 140px; }
.form__control[aria-invalid="true"] { border-color: var(--down); }
.form__error { font-size: var(--step--1); color: var(--down); min-height: 1.2em; }
.form__note {
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid rgba(74, 222, 128, .28);
  background: rgba(74, 222, 128, .07);
  color: var(--up);
  font-size: var(--step--1);
}

/* --------------------------------------------------------------------------
   21. CTA band
   -------------------------------------------------------------------------- */

.cta {
  position: relative;
  padding: clamp(var(--sp-7), 8vw, var(--sp-9)) var(--sp-6);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 140% at 50% 0%, rgba(244,97,13,.16), transparent 62%),
    var(--surface);
  text-align: center;
  overflow: hidden;
  display: grid;
  gap: var(--sp-5);
  justify-items: center;
}
.cta p { color: var(--text-muted); max-width: 54ch; }

/* --------------------------------------------------------------------------
   22. Footer
   -------------------------------------------------------------------------- */

.footer {
  position: relative;
  z-index: 2;
  margin-top: var(--sp-9);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.015));
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--sp-7);
  padding-block: var(--sp-8);
}
.footer__col h4 {
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: var(--sp-4);
  font-weight: 600;
}
.footer__col ul { display: grid; gap: var(--sp-3); }
.footer__col a { font-size: var(--step--1); color: var(--text-muted); transition: color var(--dur-fast) var(--ease-soft); }
.footer__col a:hover { color: var(--ember-lit); }
.footer__brandcol p { color: var(--text-muted); font-size: var(--step--1); max-width: 34ch; margin-top: var(--sp-4); }
.socials { display: flex; gap: var(--sp-3); margin-top: var(--sp-5); }
.socials a {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: all var(--dur) var(--ease-soft);
}
.socials a:hover { border-color: var(--ember); background: var(--ember-dim); transform: translateY(-2px); }
.footer__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: var(--sp-5);
  border-top: 1px solid var(--line);
  font-size: var(--step--1);
  color: var(--text-faint);
  flex-wrap: wrap;
}
.risk-note {
  padding: var(--sp-5) 0;
  font-size: 0.74rem;
  line-height: 1.6;
  color: var(--text-faint);
  border-top: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   23. Back to top
   -------------------------------------------------------------------------- */

.to-top {
  position: fixed;
  right: var(--sp-5); bottom: var(--sp-5);
  z-index: 80;
  width: 42px; height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(12,13,17,.9);
  backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--dur) var(--ease-out);
}
.to-top.is-shown { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { border-color: var(--ember); background: var(--ember-dim); }

/* --------------------------------------------------------------------------
   24. Scroll reveal
   -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   25. Accessibility helpers
   -------------------------------------------------------------------------- */

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  top: -100px; left: var(--sp-4);
  z-index: 200;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-md);
  background: var(--ember);
  color: #fff;
  font-weight: 600;
  transition: top var(--dur) var(--ease-out);
}
.skip-link:focus { top: var(--sp-4); }

/* --------------------------------------------------------------------------
   26. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .hero__split { grid-template-columns: 1fr; gap: var(--sp-8); }
  .stage { min-height: 420px; }
  .stepper { grid-template-columns: 1fr; gap: var(--sp-6); }
  .bento > *, .bento .span-2, .bento .span-3, .bento .span-4 { grid-column: span 6; }
  .pillars { grid-template-columns: repeat(2, 1fr); gap: var(--sp-5); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-6); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* The navigation collapses earlier than the rest of the layout: the localised
   labels (ru/uz) are long enough to overflow the bar well before the page
   itself needs a mobile treatment. */
@media (max-width: 1180px) {
  .nav__util { display: none; }
}

@media (max-width: 1100px) {
  .nav__burger { display: grid; }
  .nav.is-open-menu { background: rgba(5,5,7,.96); backdrop-filter: blur(18px); }

  .nav__menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-1);
    padding: var(--sp-4);
    border-block: 1px solid var(--line);
    background: rgba(8, 9, 12, 0.985);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-panel);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--dur) var(--ease-out),
                transform var(--dur) var(--ease-out),
                visibility var(--dur);
    max-height: 72vh;
    overflow-y: auto;
  }
  .nav__menu.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav__link { padding: var(--sp-3) var(--sp-4); font-size: var(--step-0); }
  .nav__link[aria-current="page"]::after { display: none; }
  .nav__link[aria-current="page"] {
    background: var(--ember-dim);
    color: var(--ember-lit);
    border-radius: var(--r-sm);
  }

  .dropdown {
    position: static;
    translate: none;
    transform: none;
    min-width: 0;
    margin-top: var(--sp-2);
    box-shadow: none;
    background: rgba(255,255,255,.03);
    display: none;
  }
  .nav__item.is-open .dropdown { display: grid; opacity: 1; visibility: visible; }

  /* The switcher sits outside the collapsible menu, so its dropdown keeps
     floating above the bar instead of going static like the nav ones. */
  .dropdown--lang {
    position: absolute;
    right: 0;
    margin-top: 8px;
    min-width: 172px;
    background: rgba(14, 15, 20, 0.97);
    box-shadow: var(--shadow-panel);
  }
}

@media (max-width: 860px) {
  :root { --nav-h: 60px; }

  /* The 3D stack becomes a simple stacked list on small screens */
  .stage { perspective: none; min-height: 0; }
  .stage__inner { transform: none !important; display: grid; gap: var(--sp-4); }
  .panel {
    position: static;
    width: 100% !important;
    transform: none !important;
  }

  .plans, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .quotes { grid-template-columns: 1fr; }
  .step-row { grid-template-columns: auto 1fr; }
  .step-row__meta { grid-column: 2; }
  .step-panels { min-height: 320px; }
}

@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bar { justify-content: center; text-align: center; }
  .filters { flex-direction: column; align-items: stretch; }
  .hero { padding-top: calc(var(--nav-h) + var(--sp-6)); }
  .btn { width: 100%; }
  .hero__actions .btn, .cta .btn { width: auto; }
  .proofs { gap: var(--sp-4); }
}

/* --------------------------------------------------------------------------
   27. Reduced motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal { opacity: 1; transform: none; }
  .ticker__track { animation: none; }
  .dotted::after { transform: scaleX(1); }
  .stage__inner { transform: none !important; }
  .mini-chart .ln2 { stroke-dashoffset: 0; }
  .mini-chart .fill { opacity: 1; }
  .code .ln[data-pop] { opacity: 1; transform: none; }
  .caret { display: none; }
  .glow { animation: none !important; }
  .tile { animation: none; }
}

/* --------------------------------------------------------------------------
   28. Print
   -------------------------------------------------------------------------- */

@media print {
  .nav, .to-top, .glows, .grain, .scroll-progress, .ticker { display: none; }
  body { background: #fff; color: #000; }
}