/* =============================================================================
   v11 — Dark premium asset listing
   Визуальный язык: coal base + warm ink + ember accent, glass surfaces,
   gigantic typography, scroll-choreography. Luxury asset + tech polish.
   ============================================================================= */

/* -----------------------------------------------------------------------------
   1. Fonts (Geologica 400 / 600 / 800 — локально, swap)
   ----------------------------------------------------------------------------- */
@font-face {
  font-family: 'Geologica';
  src: url('fonts/Geologica-Regular-Cyrillic.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0400-04FF, U+0500-052F, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: 'Geologica';
  src: url('fonts/Geologica-Regular-Latin.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Geologica';
  src: url('fonts/Geologica-SemiBold-Cyrillic.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
  unicode-range: U+0400-04FF, U+0500-052F, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: 'Geologica';
  src: url('fonts/Geologica-SemiBold-Latin.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Geologica';
  src: url('fonts/Geologica-ExtraBold-Cyrillic.woff2') format('woff2');
  font-weight: 800; font-style: normal; font-display: swap;
  unicode-range: U+0400-04FF, U+0500-052F, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: 'Geologica';
  src: url('fonts/Geologica-ExtraBold-Latin.woff2') format('woff2');
  font-weight: 800; font-style: normal; font-display: swap;
}

/* -----------------------------------------------------------------------------
   2. Tokens — dark-premium palette, warm ink, glass layers
   ----------------------------------------------------------------------------- */
:root {
  --coal-deep:   #07080a;
  --coal:        #0d0f10;
  --coal-raise:  #141618;
  --coal-elev:   #1b1e20;
  --coal-high:   #2a2e31;

  --ink:         #edeeea;
  --ink-soft:    #c8ccc4;
  --ink-mute:    #8d928a;
  --ink-dim:     #60645d;

  --line:        rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --line-hover:  rgba(255, 255, 255, 0.32);
  --glass-bg:    rgba(255, 255, 255, 0.035);
  --glass-elev:  rgba(255, 255, 255, 0.06);
  --glass-tint:  rgba(216, 110, 52, 0.06);

  --ember:       #d9652e;
  --ember-soft:  #c55a27;
  --ember-dim:   #8e3e1a;
  --ember-halo:  rgba(217, 101, 46, 0.24);
  --ember-whisper: rgba(217, 101, 46, 0.10);

  --form-bg:     #f4f4ee;
  --form-line:   #d8d8d0;
  --form-ink:    #141512;
  --form-mute:   #626461;

  --ease:        cubic-bezier(0.2, 0.7, 0.1, 1);
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

  --depth-sm: 0 1px 0 rgba(255,255,255,0.04) inset, 0 10px 24px rgba(0,0,0,0.35);
  --depth-md: 0 1px 0 rgba(255,255,255,0.05) inset, 0 24px 60px rgba(0,0,0,0.55);
  --depth-lg: 0 1px 0 rgba(255,255,255,0.06) inset, 0 48px 120px rgba(0,0,0,0.7);
}

/* -----------------------------------------------------------------------------
   3. Reset + base
   ----------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  background: var(--coal);
  color-scheme: dark;
}
body {
  margin: 0;
  background: var(--coal);
  color: var(--ink);
  font-family: 'Geologica', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "kern";
}
body.modal-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; background: var(--coal-raise); }
h1, h2, h3, h4, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }
button { font-family: inherit; border: 0; background: transparent; cursor: pointer; color: inherit; }
::selection { background: var(--ember); color: #fff; }

.wrap {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
  min-width: 0;
}

/* -----------------------------------------------------------------------------
   4. Scroll progress (CSS-native scroll-timeline)
   ----------------------------------------------------------------------------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 60;
  background: transparent;
  pointer-events: none;
}
.scroll-progress > span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--ember) 0%, #f08a4d 50%, var(--ember) 100%);
  transform-origin: 0 50%;
  transform: scaleX(0);
}
@supports (animation-timeline: scroll()) {
  .scroll-progress > span {
    animation: progressGrow linear both;
    animation-timeline: scroll(root block);
  }
}
@keyframes progressGrow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* -----------------------------------------------------------------------------
   5. Buttons
   ----------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  transition:
    background 260ms var(--ease),
    border-color 260ms var(--ease),
    color 260ms var(--ease),
    transform 260ms var(--ease),
    box-shadow 260ms var(--ease);
}
.btn:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; }

.btn-primary {
  background: var(--ember);
  color: #fff;
  box-shadow: 0 12px 30px -10px var(--ember-halo);
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.18) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 700ms var(--ease-out);
  pointer-events: none;
}
.btn-primary:hover { background: #e07238; transform: translateY(-1px); box-shadow: 0 18px 36px -8px var(--ember-halo); }
.btn-primary:hover::after { transform: translateX(120%); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--ember); color: #fff; background: var(--ember-whisper); }

.btn-cta {
  background: var(--ember);
  color: #fff;
  min-height: 64px;
  padding: 0 36px;
  font-size: 15px;
  border-radius: 999px;
  box-shadow: 0 18px 40px -12px var(--ember-halo);
}
.btn-cta:hover { background: #e07238; transform: translateY(-1px); }
.btn-cta .btn-arrow {
  display: inline-block;
  transition: transform 240ms var(--ease);
}
.btn-cta:hover .btn-arrow { transform: translateX(4px); }

.btn-submit {
  background: var(--ember);
  color: #fff;
  min-height: 64px;
  padding: 0 42px;
  font-size: 15px;
  border-radius: 999px;
}
.btn-submit:hover { background: #e07238; transform: translateY(-1px); }

/* -----------------------------------------------------------------------------
   6. Hero — fullscreen cinematic
   ----------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--ink);
  background: var(--coal-deep);
  overflow: hidden;
  isolation: isolate;
}

.hero-slideshow { position: absolute; inset: 0; z-index: -3; }
.hero-image {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: scale(1.04);
  filter: saturate(0.78) contrast(1.05) brightness(0.42);
  transition: opacity 1600ms var(--ease);
  will-change: opacity, transform;
}
.hero-image.is-active {
  opacity: 1;
  animation: kenBurnsA 8400ms var(--ease) forwards;
}
.hero-image.is-active.kb-b {
  animation: kenBurnsB 8400ms var(--ease) forwards;
}
@keyframes kenBurnsA {
  0%   { transform: scale(1.05) translate3d(0, 0, 0); }
  100% { transform: scale(1.12) translate3d(-1.8%, -1.0%, 0); }
}
@keyframes kenBurnsB {
  0%   { transform: scale(1.05) translate3d(0, 0, 0); }
  100% { transform: scale(1.12) translate3d(1.8%, 1.0%, 0); }
}

.hero-grid {
  position: absolute; inset: 0;
  z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.9;
  transition: opacity 1400ms var(--ease);
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.9) 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.9) 40%, transparent 85%);
}
.hero-grid.is-hidden { opacity: 0; }

.hero-vignette {
  position: absolute; inset: 0;
  z-index: -1; pointer-events: none;
  box-shadow: inset 0 0 320px rgba(0, 0, 0, 0.92);
}

.hero-overlay {
  position: absolute; inset: 0;
  z-index: -2; pointer-events: none;
  background:
    radial-gradient(ellipse at 12% 82%, var(--ember-halo) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 18%, rgba(120, 80, 40, 0.10) 0%, transparent 55%),
    linear-gradient(0deg, rgba(7,8,10,0.98) 0%, rgba(7,8,10,0.62) 52%, rgba(7,8,10,0.74) 100%);
}

.hero-inner {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
  padding: 140px 0 104px;
  position: relative;
  z-index: 1;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding: 8px 14px 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.kicker::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0 4px var(--ember-whisper);
}

.hero-title {
  max-width: 1080px;
  font-size: clamp(44px, 7vw, 108px);
  line-height: 0.98;
  font-weight: 400;
  letter-spacing: -0.035em;
  overflow: hidden;
  color: #f3f4ef;
}
.h1-line {
  display: block;
  transform: translateY(104%);
  opacity: 0;
  animation: h1Reveal 800ms var(--ease-out) forwards;
}
.h1-line:nth-child(1) { animation-delay: 120ms; }
.h1-line:nth-child(2) { animation-delay: 240ms; }
.h1-line:nth-child(3) { animation-delay: 360ms; }
@keyframes h1Reveal {
  0%   { transform: translateY(104%); opacity: 0; }
  100% { transform: translateY(0);    opacity: 1; }
}
.h1-line:last-child {
  color: var(--ember);
}

.hero-lead {
  max-width: 720px;
  margin-top: 36px;
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.5;
  color: var(--ink-soft);
  opacity: 0;
  animation: fadeUp 680ms var(--ease-out) 480ms forwards;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
  opacity: 0;
  animation: fadeUp 680ms var(--ease-out) 600ms forwards;
}
.hero-note {
  max-width: 720px;
  margin-top: 28px;
  font-size: 13px;
  color: var(--ink-mute);
  opacity: 0;
  animation: fadeUp 680ms var(--ease-out) 720ms forwards;
}
@keyframes fadeUp {
  from { transform: translateY(16px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Facts — glass ribbon */
.facts {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  max-width: 1120px;
  border-radius: 22px;
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line);
  box-shadow: var(--depth-sm);
  opacity: 0;
  animation: fadeUp 720ms var(--ease-out) 820ms forwards;
}
.fact {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 22px 22px;
  border-right: 1px solid var(--line);
  position: relative;
  transition: background 240ms var(--ease);
}
.fact:last-child { border-right: 0; }
.fact:hover { background: var(--glass-elev); }
.fact-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ember);
  padding-top: 5px;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}
.fact-body strong {
  display: block;
  margin-bottom: 6px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #f3f4ef;
}
.fact-body span {
  display: block;
  font-size: 12.5px;
  color: var(--ink-mute);
  line-height: 1.45;
}

/* Hero scroll indicator — в правом нижнем углу, чтобы не налезать на facts ribbon */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  right: 40px;
  left: auto;
  transform: none;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 720ms var(--ease-out) 980ms forwards;
  z-index: 2;
  transition: color 240ms var(--ease);
}
.hero-scroll-label { line-height: 1; }
.hero-scroll-line {
  position: relative;
  width: 1px;
  height: 56px;
  background: var(--line-strong);
  overflow: hidden;
}
.hero-scroll-line::after {
  content: "";
  position: absolute;
  top: -20px; left: 0;
  width: 100%; height: 20px;
  background: var(--ember);
  animation: scrollHint 2000ms var(--ease) infinite;
}
@keyframes scrollHint {
  0%   { transform: translateY(0);   opacity: 0; }
  20%  { opacity: 1; }
  100% { transform: translateY(76px); opacity: 0; }
}
.hero-scroll:hover { color: var(--ember); }

/* -----------------------------------------------------------------------------
   7. Topnav — glass sticky
   ----------------------------------------------------------------------------- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(13, 15, 16, 0.62);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.topnav .wrap {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  color: #f3f4ef;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0 4px var(--ember-whisper);
  animation: brandPulse 3400ms var(--ease) infinite;
}
@keyframes brandPulse {
  0%, 100% {
    box-shadow: 0 0 0 4px var(--ember-whisper), 0 0 0 0 var(--ember-halo);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 5px var(--ember-whisper), 0 0 0 10px rgba(217, 101, 46, 0);
    transform: scale(1.08);
  }
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 2px;
}
.nav-links a {
  min-height: 40px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.01em;
  border-radius: 999px;
  transition: color 200ms var(--ease), background 200ms var(--ease);
}
.nav-links a:hover { color: #fff; background: var(--glass-elev); }
.nav-links a:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }

/* -----------------------------------------------------------------------------
   8. Metrics — gigantic anchor
   ----------------------------------------------------------------------------- */
.metrics {
  position: relative;
  background: var(--coal);
  padding: 120px 0;
  overflow: hidden;
  isolation: isolate;
}
.metrics::before {
  content: "";
  position: absolute;
  inset: -20% -20% -20% -20%;
  width: auto;
  height: auto;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(217, 101, 46, 0.36) 0%, rgba(217, 101, 46, 0.14) 30%, transparent 62%);
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
}
.metrics::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 18%;
  transform: translateX(-50%);
  width: 52%;
  height: 40%;
  background: radial-gradient(ellipse at 50% 80%, rgba(217, 101, 46, 0.22) 0%, transparent 65%);
  filter: blur(60px);
  pointer-events: none;
  z-index: -1;
}
.metrics-ribbon {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 64px;
  align-items: center;
}
.metrics-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.metrics-meta-left { text-align: right; }
.metrics-meta-right { text-align: left; }
.metrics-meta span:first-child {
  color: #f3f4ef;
  font-weight: 700;
}
.metrics-meta-left span:first-child::after,
.metrics-meta-right span:first-child::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--ember);
  vertical-align: middle;
  margin: 0 10px;
}
.metrics-meta span + span { color: var(--ink-dim); font-weight: 400; letter-spacing: 0.14em; }

.metrics-anchor {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  position: relative;
}
.metrics-number {
  display: block;
  font-size: clamp(96px, 16vw, 220px);
  font-weight: 200;
  line-height: 0.82;
  letter-spacing: -0.06em;
  color: #f5f6f0;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #f8f8f2 0%, #9a9e96 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4));
}
.metrics-unit {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ember);
}
.metrics-unit::before,
.metrics-unit::after {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--ember);
  opacity: 0.5;
}

/* -----------------------------------------------------------------------------
   9. Sections base
   ----------------------------------------------------------------------------- */
section { scroll-margin-top: 88px; }
.section { padding: 128px 0; position: relative; }
.section-dark { background: var(--coal); color: var(--ink); }
.section-dark p { color: var(--ink-soft); }

/* #why — also dark, slight raise */
#why {
  background: var(--coal-raise);
  color: var(--ink);
  position: relative;
}
#why::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 40%, var(--line-strong) 60%, transparent);
}

.head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 72px;
}
.head small {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding: 6px 14px 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass-bg);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.head small::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0 3px var(--ember-whisper);
}
h2 {
  font-size: clamp(32px, 4.2vw, 64px);
  line-height: 1.02;
  font-weight: 500;
  letter-spacing: -0.035em;
  color: #f3f4ef;
}
.h2-industrial {
  font-size: clamp(36px, 5.6vw, 88px);
  font-weight: 200;
  line-height: 0.98;
  letter-spacing: -0.045em;
}
.lead {
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.58;
  color: var(--ink-soft);
  max-width: 58ch;
}
.section-dark .lead { color: var(--ink-soft); }

/* -----------------------------------------------------------------------------
   10. Intro-cards — glass on dark
   ----------------------------------------------------------------------------- */
.intro-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.intro-card {
  position: relative;
  padding: 32px 28px 36px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  overflow: hidden;
  transition:
    border-color 320ms var(--ease),
    background 320ms var(--ease),
    transform 320ms var(--ease);
  cursor: default;
}
.intro-card::before {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ember), transparent);
  transform: scaleX(0);
  transform-origin: 50% 50%;
  transition: transform 500ms var(--ease-out);
}
.intro-card:hover {
  border-color: var(--line-hover);
  background: var(--glass-elev);
  transform: translateY(-4px);
}
.intro-card:hover::before { transform: scaleX(1); }
.intro-num {
  position: absolute;
  top: 24px;
  right: 26px;
  font-size: 52px;
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink-dim);
  font-variant-numeric: tabular-nums;
  transition: color 320ms var(--ease);
}
.intro-card:hover .intro-num { color: var(--ember); }
.intro-card small {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.intro-card small::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--ember);
}
.intro-card strong {
  display: block;
  margin-bottom: 14px;
  margin-top: 28px;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: #f3f4ef;
}
.intro-card p {
  font-size: 14.5px;
  line-height: 1.58;
  color: var(--ink-mute);
}

/* -----------------------------------------------------------------------------
   11. Contours (section-dark)
   ----------------------------------------------------------------------------- */
.contours {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.contour {
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--line);
  background: var(--coal-raise);
  border-radius: 24px;
  overflow: hidden;
  min-height: 520px;
  transition: border-color 320ms var(--ease), transform 320ms var(--ease);
}
.contour:hover {
  border-color: var(--line-hover);
  transform: translateY(-3px);
}
.contour-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.contour-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(7,8,10,0.5) 100%);
  pointer-events: none;
}
.contour-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.1) brightness(0.92);
  transition: transform 1200ms var(--ease);
}
.contour:hover .contour-media img { transform: scale(1.04); }
.contour-body { padding: 32px 32px 36px; }
.contour-support {
  grid-column: 1 / -1;
  grid-template-columns: minmax(320px, 0.62fr) minmax(0, 1.38fr);
  grid-template-rows: 1fr;
}
.contour-support .contour-media {
  aspect-ratio: auto;
  min-height: 320px;
  max-height: 480px;
}
.sector-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.sector-mark {
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--ember);
  flex-shrink: 0;
}
.contour h3 {
  margin-bottom: 16px;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: #f3f4ef;
}
.contour p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.62;
}
.contour ul {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
}
.contour li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.contour li::before {
  content: "";
  position: absolute;
  top: 9px; left: 0;
  width: 10px; height: 1px;
  background: var(--ember);
}

/* Video-strip */
.video-strip-head {
  margin: 64px 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.video-strip-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.video-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.video-tile {
  position: relative;
  overflow: hidden;
  background: var(--coal-raise);
  min-height: 300px;
  aspect-ratio: 16/10;
  cursor: pointer;
}
.video-tile img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.1) brightness(0.88);
  transition: transform 900ms var(--ease), filter 700ms var(--ease);
}
.video-tile:hover img { transform: scale(1.06); filter: saturate(1) contrast(1.12) brightness(1); }
.video-tile::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 46%, rgba(0,0,0,0.86) 100%);
  pointer-events: none;
}
.video-tile-num {
  position: absolute;
  top: 18px;
  left: 20px;
  z-index: 2;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  color: rgba(255,255,255,0.82);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  padding: 7px 11px;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: 999px;
  background: rgba(0,0,0,0.28);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.video-tile-caption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 2;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.005em;
}

/* -----------------------------------------------------------------------------
   12. Zones — bento (12-col)
   ----------------------------------------------------------------------------- */
.zones.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: 240px;
  gap: 14px;
}
.zone {
  position: relative;
  overflow: hidden;
  background: var(--coal-raise);
  border: 1px solid var(--line);
  border-radius: 24px;
  color: var(--ink);
  isolation: isolate;
  transition: border-color 320ms var(--ease), transform 500ms var(--ease);
}
.zone:hover {
  border-color: var(--line-hover);
  transform: translateY(-3px);
}
.zone-hero  { grid-column: span 6; grid-row: span 2; color: #fff; }
.zone-wide  { grid-column: span 6; grid-row: span 1; color: #fff; }
.zone-small { grid-column: span 4; grid-row: span 1; color: #fff; }
.zone-strip { grid-column: span 12; grid-row: span 1; color: #fff; }

.zone-media {
  position: absolute; inset: 0;
  z-index: -2; overflow: hidden;
}
.zone-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.08) brightness(0.85);
  transition: transform 1400ms var(--ease), filter 700ms var(--ease);
}
.zone:hover .zone-media img {
  transform: scale(1.06);
  filter: saturate(1) contrast(1.1) brightness(0.92);
}
.zone-overlay {
  position: absolute; inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7,8,10,0) 30%, rgba(7,8,10,0.55) 70%, rgba(7,8,10,0.92) 100%),
    linear-gradient(140deg, rgba(7,8,10,0.42) 0%, transparent 50%);
}
.zone-body {
  position: relative;
  padding: 26px 28px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  height: 100%;
  justify-content: flex-end;
  z-index: 1;
}
.zone-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 10px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px) saturate(150%);
  -webkit-backdrop-filter: blur(10px) saturate(150%);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.zone-tag::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--ember);
}
.zone-tag-plain {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.zone strong {
  display: block;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: #fff;
}
.zone-hero strong { font-size: clamp(28px, 2.4vw, 38px); font-weight: 500; letter-spacing: -0.025em; }
.zone-wide strong, .zone-strip strong { font-size: clamp(24px, 2vw, 32px); font-weight: 500; letter-spacing: -0.02em; }
.zone-body strong.title-centered { align-self: flex-start; width: auto; text-align: left; }
.zone-small strong { color: #fff; font-size: 20px; }
.zone p {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 42ch;
}
.zone-small p { color: var(--ink-soft); }

.zone-filter {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: background 240ms var(--ease), border-color 240ms var(--ease), color 240ms var(--ease);
}
.zone-filter:hover {
  background: var(--ember);
  border-color: var(--ember);
  color: #fff;
}
.zone-filter-plain {
  background: transparent;
  color: #fff;
  border-color: var(--line-strong);
  padding: 10px 16px;
  margin-top: 12px;
  font-size: 12px;
}
.zone-filter-plain:hover { border-color: var(--ember); color: #fff; background: var(--ember-whisper); }

/* -----------------------------------------------------------------------------
   13. Gallery
   ----------------------------------------------------------------------------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  padding: 6px 22px;
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: 999px;
  width: max-content;
  max-width: 100%;
}
.filter-btn {
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-soft);
  min-height: 40px;
  padding: 0 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  white-space: nowrap;
  transition: background 260ms var(--ease), color 260ms var(--ease), border-color 260ms var(--ease);
}
.filter-btn:hover { color: #fff; background: var(--glass-elev); }
.filter-btn.active {
  background: var(--ember);
  color: #fff;
  border-color: var(--ember);
  box-shadow: 0 8px 22px -8px var(--ember-halo);
}
.gallery-meta {
  margin-bottom: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 12px;
}
.card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--coal-raise);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color 280ms var(--ease), transform 380ms var(--ease);
}
.card:hover {
  border-color: var(--line-hover);
  transform: translateY(-3px);
}
.card img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.08) brightness(0.92);
  transition: transform 900ms var(--ease), filter 500ms var(--ease);
}
.card:hover img { transform: scale(1.06); filter: saturate(1) contrast(1.1) brightness(1); }
.card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 42%, rgba(0,0,0,0.88) 100%);
  pointer-events: none;
  opacity: 0.9;
  transition: opacity 320ms var(--ease);
}
.card:hover::after { opacity: 1; }
.card-caption {
  position: absolute;
  inset: auto 0 0;
  z-index: 2;
  padding: 14px 16px;
  color: #fff;
}
.card-num {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--ember);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}
.card-tag {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.card-title {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.28;
  color: #fff;
  letter-spacing: -0.005em;
}
.card-zoom {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  padding: 7px 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 280ms var(--ease), transform 280ms var(--ease);
}
.card:hover .card-zoom { opacity: 1; transform: translateY(0); }
.gallery-tools {
  margin-top: 32px;
  display: flex;
  justify-content: center;
}
.toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 32px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line-strong);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 999px;
  transition: background 260ms var(--ease), border-color 260ms var(--ease);
}
.toggle:hover { background: var(--ember); border-color: var(--ember); color: #fff; }

/* -----------------------------------------------------------------------------
   14. Modal — premium viewer
   ----------------------------------------------------------------------------- */
.modal {
  position: fixed; inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: rgba(7, 8, 10, 0.78);
  backdrop-filter: blur(22px) saturate(120%);
  -webkit-backdrop-filter: blur(22px) saturate(120%);
}
.modal.is-open { display: flex; }
.modal-box {
  width: min(1200px, 100%);
  max-height: 92vh;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 20px;
  animation: modalEnter 500ms var(--ease-out);
}
@keyframes modalEnter {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-frame {
  position: relative;
  min-height: 0;
  border: 1px solid var(--line-strong);
  background: var(--coal-deep);
  border-radius: 22px;
  display: grid;
  place-items: center;
  overflow: hidden;
  box-shadow: var(--depth-lg);
}
.modal-counter {
  position: absolute;
  top: 20px;
  right: 22px;
  z-index: 3;
  padding: 8px 14px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.14em;
  color: var(--ember);
  font-variant-numeric: tabular-nums;
}
.modal-media {
  width: 100%; height: 100%;
  display: grid; place-items: center;
  padding: 20px;
}
.modal-media img {
  max-width: 100%;
  max-height: 72vh;
  width: auto; height: auto;
  object-fit: contain;
  filter: saturate(1) contrast(1.04);
  -webkit-user-drag: none;
  user-select: none;
  border-radius: 8px;
}
.modal-foot {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: flex-start;
  color: var(--ink);
  padding: 6px 4px 0;
}
.modal-tag-row {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.modal-text small {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.modal-text strong {
  display: block;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.22;
  color: #f3f4ef;
  margin-bottom: 8px;
  letter-spacing: -0.015em;
}
.modal-desc {
  font-size: 14px;
  color: var(--ink-mute);
  line-height: 1.55;
  max-width: 640px;
}
.modal-controls { display: flex; gap: 8px; }
.icon-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: #fff;
  transition: background 240ms var(--ease), border-color 240ms var(--ease), transform 240ms var(--ease);
}
.icon-btn:hover {
  background: var(--ember);
  border-color: var(--ember);
}
.icon-btn:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }

/* -----------------------------------------------------------------------------
   15. Contact section — Steps + Contact block + Form
   ----------------------------------------------------------------------------- */
.section-contact {
  background: var(--coal-deep);
  padding-top: 128px;
  padding-bottom: 128px;
  position: relative;
  overflow: hidden;
}
.section-contact::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 50%;
  background: radial-gradient(ellipse at 50% 100%, var(--ember-halo) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.section-contact > .wrap { position: relative; z-index: 1; }
.section-contact .head small { color: var(--ink-soft); }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 48px;
  margin-bottom: 80px;
  position: relative;
}
.steps::before { display: none; }
.step {
  position: relative;
  padding: 0;
  z-index: 1;
}
.step-num {
  display: inline-block;
  position: relative;
  font-size: clamp(72px, 9vw, 128px);
  font-weight: 200;
  line-height: 0.92;
  letter-spacing: -0.05em;
  color: transparent;
  font-style: normal;
  font-variant-numeric: tabular-nums;
  margin-bottom: 12px;
  background: linear-gradient(180deg, #f3f4ef 0%, #484b47 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.step::after {
  content: "";
  display: block;
  width: 56px;
  height: 1px;
  background: var(--ember);
  margin-bottom: 22px;
}
.step strong {
  display: block;
  margin-bottom: 12px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #f3f4ef;
}
.step p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 34ch;
}

/* Contact block */
.contact-block {
  margin-top: 56px;
  padding: 56px 64px;
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: 28px;
  color: #fff;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  box-shadow: var(--depth-md);
  position: relative;
  overflow: hidden;
}
.contact-block::before {
  content: "";
  position: absolute;
  inset: -40% auto auto -20%;
  width: 60%; height: 180%;
  background: radial-gradient(circle, var(--ember-halo) 0%, transparent 55%);
  pointer-events: none;
  filter: blur(30px);
  z-index: -1;
}
.contact-text strong {
  display: block;
  margin-bottom: 14px;
  font-size: clamp(24px, 2.6vw, 36px);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: #f3f4ef;
  line-height: 1.08;
}
.contact-text p { color: var(--ink-soft); font-size: 16px; line-height: 1.6; max-width: 56ch; }

/* Form — light card on dark */
.request-form {
  display: none;
  margin-top: 28px;
  padding: 48px;
  background: var(--form-bg);
  color: var(--form-ink);
  border: 1px solid var(--form-line);
  border-radius: 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  box-shadow: var(--depth-md);
}
.request-form.open { display: grid; }
.form-field {
  display: grid;
  gap: 10px;
  min-width: 0;
}
.form-field.full { grid-column: 1 / -1; }
.form-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--form-mute);
}
.form-field input,
.form-field textarea {
  width: 100%;
  min-height: 56px;
  padding: 16px 18px;
  font: inherit;
  font-size: 15px;
  color: var(--form-ink);
  background: #fff;
  border: 1px solid var(--form-line);
  border-radius: 14px;
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(20, 21, 18, 0.38);
  font-weight: 400;
  font-style: normal;
  opacity: 1;
}
.form-field input:focus::placeholder,
.form-field textarea:focus::placeholder {
  color: rgba(20, 21, 18, 0.24);
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--ember);
  box-shadow: 0 0 0 4px var(--ember-whisper);
}
.form-field.is-error input,
.form-field.is-error textarea {
  border-color: var(--ember);
  background: #fffaf6;
}
.form-error {
  min-height: 18px;
  font-size: 12px;
  color: var(--ember-dim);
  font-weight: 600;
}
.form-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}
.form-status {
  font-size: 13px;
  color: var(--form-mute);
}
.form-status.is-success { color: #2a6a3d; font-weight: 700; }
.form-status.is-error { color: var(--ember-dim); font-weight: 700; }

/* -----------------------------------------------------------------------------
   16. Footer
   ----------------------------------------------------------------------------- */
.site-footer {
  background: var(--coal-deep);
  color: var(--ink-mute);
  padding: 48px 0;
  border-top: 1px solid var(--line);
}
.footer-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 48px;
}
.footer-brand {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-brand::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ember);
}
.footer-contacts { display: flex; gap: 28px; font-size: 13px; color: var(--ink-soft); }

/* -----------------------------------------------------------------------------
   17. Motion — IntersectionObserver reveal
   ----------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* -----------------------------------------------------------------------------
   18. Responsive
   ----------------------------------------------------------------------------- */
@media (max-width: 1180px) {
  .section { padding: 96px 0; }
  .contours { grid-template-columns: 1fr; }
  .contour-support { grid-template-columns: 1fr; grid-template-rows: auto auto; grid-column: 1 / -1; }
  .contour-support .contour-media { max-height: 320px; }
  .intro-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-ribbon { gap: 32px; }
  .contact-block { padding: 40px 44px; }
}

@media (max-width: 980px) {
  .hero { min-height: auto; align-items: flex-start; }
  .hero-inner { padding: 110px 0 72px; }
  .hero-scroll { display: none; }
  /* Mobile: приглушить фоновое изображение и усилить тёмный overlay для читаемости текста */
  .hero-image { filter: saturate(0.82) contrast(1.10) brightness(0.55); }
  .hero-overlay {
    background:
      radial-gradient(ellipse at 50% 95%, var(--ember-halo) 0%, transparent 50%),
      linear-gradient(0deg, rgba(7,8,10,0.96) 0%, rgba(7,8,10,0.55) 45%, rgba(7,8,10,0.70) 100%);
  }
  .hero-vignette { box-shadow: inset 0 0 200px rgba(0, 0, 0, 0.85); }
  .hero-title { font-size: clamp(34px, 6.2vw, 68px); letter-spacing: -0.025em; max-width: 100%; overflow-wrap: break-word; hyphens: auto; }
  .kicker {
    display: inline-block;
    max-width: 100%;
    line-height: 1.4;
    text-align: left;
    padding: 9px 14px;
    border-radius: 14px;
    box-sizing: border-box;
    word-break: keep-all;
  }
  .kicker::before {
    display: inline-block;
    width: 6px; height: 6px;
    margin-right: 10px;
    vertical-align: 2px;
    box-shadow: 0 0 0 3px var(--ember-whisper);
  }
  h2 { font-size: clamp(28px, 4.8vw, 48px); }
  .h2-industrial { font-size: clamp(30px, 5.4vw, 60px); }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .fact { border-right: 0; border-bottom: 1px solid var(--line); }
  .fact:nth-child(odd) { border-right: 1px solid var(--line); }
  .fact:nth-last-child(-n+2) { border-bottom: 0; }
  .head { grid-template-columns: 1fr; gap: 24px; }
  .metrics { padding: 80px 0; }
  .metrics-ribbon { grid-template-columns: 1fr; text-align: center; gap: 28px; }
  .metrics-meta-left, .metrics-meta-right { text-align: center; }
  .metrics-meta-left span:first-child::after,
  .metrics-meta-right span:first-child::before { display: none; }
  .zones.bento {
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 220px;
  }
  .zone-hero { grid-column: span 6; grid-row: span 2; }
  .zone-wide { grid-column: span 6; grid-row: span 1; }
  .zone-small { grid-column: span 3; grid-row: span 1; }
  .zone-strip { grid-column: span 6; grid-row: span 1; }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .video-strip { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 48px; }
  .steps::before { display: none; }
  .contact-block { grid-template-columns: 1fr; padding: 36px 32px; }
  .request-form { grid-template-columns: 1fr; padding: 32px; }
  .section-contact { padding: 96px 0; }
  .modal { padding: 24px; }
  .modal-media img { max-height: 62vh; }
  .modal-box { gap: 14px; }
}

@media (max-width: 680px) {
  .wrap { width: min(1280px, calc(100% - 32px)); }
  .hero-inner { padding: 96px 0 48px; }
  .kicker {
    font-size: 10px;
    padding: 9px 14px;
    letter-spacing: 0.10em;
    max-width: 100%;
    line-height: 1.45;
    border-radius: 14px;
  }
  .hero-title {
    font-size: clamp(26px, 8vw, 40px);
    letter-spacing: -0.015em;
    line-height: 1.08;
    max-width: 100%;
    overflow-wrap: break-word;
    hyphens: auto;
  }
  .hero-lead { font-size: 15px; margin-top: 24px; line-height: 1.55; }
  .hero-note { font-size: 12px; margin-top: 20px; }
  h2 { font-size: clamp(26px, 7.2vw, 36px); letter-spacing: -0.02em; }
  .h2-industrial { font-size: clamp(28px, 7.8vw, 40px); letter-spacing: -0.025em; }
  .head { margin-bottom: 44px; gap: 20px; }
  .actions { margin-top: 28px; gap: 10px; }
  .facts { grid-template-columns: 1fr; margin-top: 36px; border-radius: 18px; }
  .fact { padding: 18px 22px; border-right: 0 !important; border-bottom: 1px solid var(--line); }
  .fact:last-child { border-bottom: 0; }
  .fact:nth-child(odd) { border-right: 0; }
  .nav-links { display: none; }
  .topnav .wrap { min-height: 60px; }
  .intro-grid { grid-template-columns: 1fr; gap: 12px; }
  .intro-num { font-size: 44px; top: 20px; right: 20px; }
  .intro-card { padding: 28px 24px 32px; border-radius: 18px; }
  .metrics { padding: 72px 0; }
  .contour { min-height: auto; border-radius: 18px; }
  .contour-body { padding: 26px 22px 28px; }
  .zones.bento {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: 12px;
  }
  .zone { min-height: 280px; border-radius: 18px; }
  .zone-hero, .zone-wide, .zone-small, .zone-strip {
    grid-column: span 1;
    grid-row: span 1;
    min-height: 0;
  }
  .zone-hero { min-height: 380px; }
  .zone-wide, .zone-strip { min-height: 300px; }
  .zone-small { min-height: 280px; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .video-strip { grid-template-columns: 1fr; }
  .video-tile { min-height: 240px; }
  .actions, .actions .btn { width: 100%; }
  .actions .btn { justify-content: center; }
  .footer-wrap { justify-content: flex-start; flex-direction: column; align-items: flex-start; }
  .footer-contacts { flex-direction: column; gap: 8px; }
  .contact-block { padding: 28px 24px; border-radius: 22px; }
  .request-form { padding: 24px; border-radius: 22px; }
  /* Filter-bar: горизонтальный скролл tabs-стилем, без wrap */
  .filter-bar {
    width: 100vw;
    max-width: none;
    margin-left: calc(-1 * ((100vw - 100%) / 2));
    margin-right: calc(-1 * ((100vw - 100%) / 2));
    padding: 10px 16px;
    gap: 6px;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
    mask-image: linear-gradient(to right, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%);
  }
  .filter-bar::-webkit-scrollbar { display: none; }
  .filter-btn {
    min-height: 36px;
    padding: 0 14px;
    font-size: 11px;
    flex: 0 0 auto;
    scroll-snap-align: start;
  }
}

/* 320-360px — iPhone SE и старые узкие экраны */
@media (max-width: 360px) {
  .wrap { width: calc(100% - 24px); }
  .hero-inner { padding: 88px 0 40px; }
  .kicker { font-size: 9px; letter-spacing: 0.08em; padding: 8px 12px; line-height: 1.5; border-radius: 12px; }
  .kicker::before { margin-right: 8px; vertical-align: 1px; }
  .hero-title { font-size: clamp(24px, 8.4vw, 32px); line-height: 1.1; }
  .hero-lead { font-size: 14px; margin-top: 20px; }
  .hero-note { font-size: 11.5px; }
  .actions .btn { min-height: 48px; padding: 0 18px; font-size: 13px; }
  .fact-body strong { font-size: 17px; }
  .intro-card { padding: 24px 20px 28px; }
  .intro-num { font-size: 38px; top: 18px; right: 18px; }
  .metrics { padding: 56px 0; }
  .contour-body { padding: 22px 18px 24px; }
  .gallery { grid-template-columns: 1fr; }
  .contact-block { padding: 24px 20px; }
  .request-form { padding: 20px 16px; gap: 16px; }
}

/* -----------------------------------------------------------------------------
   19. Reduced motion + Print
   ----------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero-image.is-active { animation: none; transform: none; }
  .hero-image { transition: opacity 200ms linear; }
  .h1-line { transform: none; opacity: 1; animation: none; }
  .hero-lead, .actions, .hero-note, .facts, .hero-scroll { opacity: 1; animation: none; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .topnav, .modal, .video-strip, .gallery-tools, .scroll-progress, .hero-scroll { display: none; }
  body { background: #fff; color: #000; }
}