/* ============ TOKENS ============ */
:root {
  --color-bg: #101012;
  --color-bg-secondary: #17171a;
  --color-bg-tertiary: #1d1d20;
  --color-accent: #C2452F;
  --color-accent-hover: #97341F;
  --color-text: #F2F0EA;
  --color-text-muted: #9C9C9D;
  --color-border: #2A2A2E;

  --font-heading: 'Playfair Display', serif;
  --font-body: 'Work Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container-width: 1360px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============ PRELOADER ============ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  text-align: center;
}
.preloader-logo span {
  display: block;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  margin-top: 4px;
}

.preloader-bar {
  width: 160px;
  height: 1px;
  background-color: var(--color-border);
  overflow: hidden;
}
.preloader-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background-color: var(--color-accent);
  transition: width 0.15s ease-out;
}

body.is-loading { overflow: hidden; }

/* ============ SELECTION / SCROLLBAR ============ */
::selection {
  background-color: var(--color-accent);
  color: var(--color-text);
}

html {
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent-hover) var(--color-bg);
}

::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb {
  background-color: var(--color-accent-hover);
  border-radius: 6px;
  border: 2px solid var(--color-bg);
}
::-webkit-scrollbar-thumb:hover { background-color: var(--color-accent); }

/* ============ GRAIN OVERLAY (very subtle) ============ */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.02;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ RESET ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.2; font-weight: 800; }

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  text-align: center;
  margin: 0 auto 48px auto;
  max-width: 640px;
}

.section-title-left {
  text-align: left;
  margin: 0 0 24px 0;
  max-width: none;
}

/* ============ BUTTONS ============ */
.btn {
  position: relative;
  display: inline-block;
  padding: 14px 32px;
  border-radius: 2px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text);
}
.btn-primary::before { background-color: var(--color-accent-hover); }
.btn-primary:hover::before { transform: scaleX(1); }

.btn-ghost {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-ghost::before { background-color: var(--color-accent); }
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-text); }
.btn-ghost:hover::before { transform: scaleX(1); }

.btn-block { width: 100%; text-align: center; }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(16, 16, 18, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.logo-text span { color: var(--color-accent); display: block; font-size: 0.6rem; letter-spacing: 0.18em; font-family: var(--font-mono); font-weight: 500; }

/* --- Іконка-бейдж логотипу: квадрат з кутовими дужками, як у промислового шильдика --- */
.logo-mark {
  position: relative;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-accent);
}

.logo-mark::before,
.logo-mark::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
}
.logo-mark::before {
  top: -1.5px;
  left: -1.5px;
  border-top: 2px solid var(--color-text);
  border-left: 2px solid var(--color-text);
}
.logo-mark::after {
  bottom: -1.5px;
  right: -1.5px;
  border-bottom: 2px solid var(--color-text);
  border-right: 2px solid var(--color-text);
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}
.main-nav a:hover { color: var(--color-text); }
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.main-nav a.nav-cta::after { display: none; }
.main-nav a.active { color: var(--color-accent); }
.main-nav a.active::after { transform: scaleX(1); }
.nav-cta {
  background-color: var(--color-accent);
  color: var(--color-text) !important;
  padding: 10px 20px;
  border-radius: 2px;
  transition: background-color 0.2s ease;
}
.nav-cta:hover { background-color: var(--color-accent-hover); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background-color: var(--color-text); }

/* ============ HERO ============ */
.hero {
  padding: 120px 0 90px;
  margin-top: 60px;
  background:
    radial-gradient(ellipse at top right, rgba(194, 69, 47, 0.10), transparent 55%),
    var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.hero-inner {
  max-width: 1080px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 48px;
}

.hero-content {
  max-width: 700px;
  text-align: center;
}

.hero-eyebrow {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.hero-eyebrow::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 1px;
  background-color: var(--color-accent);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-bottom: 24px;
}

.hero-lead {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* --- Слайдер (крупный, кроссфейд с Кен-Бёрнс зумом, подписи, прогресс-полосы) --- */
.hero-slider {
  position: relative;
  width: 100%;
  max-width: 980px;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  border-radius: 6px;
  overflow: hidden;
  background-color: var(--color-bg-tertiary);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.42);
}

/* Чертёжные уголки-рамки вокруг фото — единственная цитата к чертежам, без повтора в других местах */
.hero-slider::before,
.hero-slider::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  z-index: 5;
  pointer-events: none;
}
.hero-slider::before {
  top: 14px;
  left: 14px;
  border-top: 1.5px solid rgba(245, 245, 245, 0.45);
  border-left: 1.5px solid rgba(245, 245, 245, 0.45);
}
.hero-slider::after {
  bottom: 14px;
  right: 14px;
  border-bottom: 1.5px solid rgba(245, 245, 245, 0.45);
  border-right: 1.5px solid rgba(245, 245, 245, 0.45);
}

.hero-slider-stage {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s var(--ease);
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 6.5s linear;
}

.hero-slide.is-active {
  opacity: 1;
  z-index: 1;
}

.hero-slide.is-active img {
  transform: scale(1.14);
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide { transition: opacity 0.3s ease; }
  .hero-slide img, .hero-slide.is-active img { transition: none; transform: none; }
}

/* Затемнение снизу под подпись и элементы управления */
.hero-slider-ui {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 56px 20px 18px;
  background: linear-gradient(to top, rgba(10, 10, 11, 0.82), transparent);
}

.hero-slider-caption {
  color: var(--color-text);
  font-size: 0.92rem;
  margin-bottom: 14px;
  min-height: 1.4em;
  text-align: left;
}

.hero-slider-bottom {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-slider-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.hero-slider-count #heroSliderCurrent { color: var(--color-text); }

.hero-slider-bars {
  flex: 1;
  display: flex;
  gap: 6px;
}

.hero-slider-bars button {
  position: relative;
  flex: 1;
  height: 2px;
  border: none;
  padding: 0;
  cursor: pointer;
  background-color: rgba(245, 245, 245, 0.22);
  overflow: hidden;
}

.hero-slider-bars button::after {
  content: "";
  position: absolute;
  inset: 0;
  transform-origin: left;
  transform: scaleX(0);
  background-color: var(--color-accent);
  transition: transform var(--dur, 0ms) linear;
}

.hero-slider-bars button.active::after {
  transform: scaleX(1);
}

.hero-slider-bars button.done::after {
  transform: scaleX(1);
  transition: none;
}

.hero-slider-arrows {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.hero-slider-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(245, 245, 245, 0.25);
  background-color: transparent;
  color: var(--color-text);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.hero-slider-btn:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

@media (max-width: 860px) {
  .hero-slider {
    max-width: 100%;
    aspect-ratio: 4 / 3;
  }
  .hero-slider-ui { padding: 40px 16px 16px; }
  .hero-slider-caption { font-size: 0.85rem; }
}

/* --- Единственный крупный акцент страницы: заголовок и фото раскрываются один раз при загрузке --- */
.hero-content > * {
  opacity: 0;
  transform: translateY(16px);
}

body.loaded .hero-content > * {
  animation: heroFadeUp 0.7s var(--ease) forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.05s; }
.hero-content > *:nth-child(2) { animation-delay: 0.15s; }
.hero-content > *:nth-child(3) { animation-delay: 0.25s; }
.hero-content > *:nth-child(4) { animation-delay: 0.35s; }

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Split-text: каждое слово h1 выезжает снизу отдельно --- */
.split-word-wrap {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding-bottom: 0.08em;
}

.split-word {
  display: inline-block;
  transform: translateY(115%);
  transition: transform 0.8s var(--ease);
}

body.loaded .split-word {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .hero-content > *, .split-word {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* --- Curtain reveal: панель "уезжает" вбок, открывая фото --- */
.hero-slider-curtain {
  position: absolute;
  inset: 0;
  z-index: 4;
  background-color: var(--color-bg-tertiary);
  transform: scaleX(1);
  transform-origin: right;
  transition: transform 0.9s cubic-bezier(0.83, 0, 0.17, 1);
  transition-delay: 0.25s;
}

body.loaded .hero-slider-curtain {
  transform: scaleX(0);
}

@media (prefers-reduced-motion: reduce) {
  .hero-slider-curtain { transition: none; transform: scaleX(0); }
}

/* ============ FEATURES / ADVANTAGES ============ */
.features,
.advantages {
  padding: 88px 0;
}

.features {
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.advantages {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.features-grid,
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  background-color: var(--color-bg-tertiary);
  border-left: 3px solid var(--color-accent);
  padding: 28px;
  border-radius: 2px;
}

.feature-card h3 {
  color: var(--color-accent);
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .features-grid,
  .advantages-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ ABOUT ============ */
.about {
  padding: 88px 0;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.about-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
}

.about-text p { color: var(--color-text-muted); margin-bottom: 18px; max-width: 60ch; }

.about-approach {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: 32px;
}
.about-approach h3 { font-size: 1.2rem; margin-bottom: 14px; color: var(--color-accent); }
.about-approach p { color: var(--color-text-muted); margin-bottom: 16px; }

.check-list li {
  padding-left: 20px;
  position: relative;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  font-size: 0.95rem;
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
}

/* ============ SERVICES ============ */
.services {
  padding: 88px 0;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.service-card {
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg-tertiary);
  border-left: 3px solid var(--color-border);
  border-radius: 2px;
  padding: 40px 44px;
  margin-bottom: 20px;
  transition: transform 0.3s var(--ease), border-left-color 0.3s ease;
}
.service-card:last-child { margin-bottom: 0; }

.service-card:hover {
  transform: translateY(-3px);
}

.service-num {
  position: absolute;
  top: 8px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 4.6rem;
  font-weight: 600;
  color: var(--color-text);
  opacity: 0.045;
  line-height: 1;
  pointer-events: none;
}

.service-card-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
  position: relative;
}

.service-card-head h3 { font-size: 1.5rem; }

.service-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 2px;
  padding: 4px 10px;
}

.service-card-body {
  display: grid;
  grid-template-columns: minmax(0, 65ch);
  position: relative;
}

.service-card-body p { color: var(--color-text-muted); margin-bottom: 14px; }
.service-card-body p:last-child { margin-bottom: 0; }

.service-cta { color: var(--color-text) !important; font-weight: 500; }

.service-card-featured {
  background-color: var(--color-bg-tertiary);
  border-left-color: var(--color-accent);
}
.service-card-featured .service-num { color: var(--color-accent); opacity: 0.07; }

@media (max-width: 720px) {
  .service-card { padding: 28px 24px; }
  .service-num { font-size: 3.2rem; }
}

/* --- Схема процесу холодного анодування: єдиний фірмовий момент сторінки --- */
.diagram-wrap {
  margin-bottom: 56px;
}

.diagram-intro {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.98rem;
  margin-bottom: 28px;
}

.process-diagram {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.diagram-path {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  transition: stroke-dashoffset 1.6s var(--ease);
}

.diagram-circle {
  fill: var(--color-bg-tertiary);
  stroke: var(--color-border);
  stroke-width: 1.5;
  transition: stroke 0.4s ease;
}

.diagram-icon {
  fill: none;
  stroke: var(--color-text-muted);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.4s ease;
}

.diagram-icon-outline { fill: none; }

.diagram-bubble {
  fill: var(--color-accent);
  stroke: none;
  opacity: 0;
  transition: opacity 0.4s ease 1.2s;
}

.diagram-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  fill: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.diagram-label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  fill: var(--color-text);
}

.diagram-sub {
  font-family: var(--font-body);
  font-size: 0.76rem;
  fill: var(--color-text-muted);
}

.diagram-stage {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.process-diagram.is-drawn .diagram-stage { opacity: 1; transform: translateY(0); }
.process-diagram.is-drawn .diagram-stage[data-stage="1"] { transition-delay: 0s; }
.process-diagram.is-drawn .diagram-stage[data-stage="2"] { transition-delay: 0.35s; }
.process-diagram.is-drawn .diagram-stage[data-stage="3"] { transition-delay: 0.7s; }
.process-diagram.is-drawn .diagram-stage[data-stage="4"] { transition-delay: 1.05s; }
.process-diagram.is-drawn .diagram-stage[data-stage="3"] .diagram-bubble { opacity: 0.9; }
.process-diagram.is-drawn .diagram-stage .diagram-circle { stroke: var(--color-accent); }

@media (max-width: 720px) {
  .diagram-wrap { overflow-x: auto; padding-bottom: 8px; }
  .process-diagram { min-width: 640px; }
}

@media (prefers-reduced-motion: reduce) {
  .diagram-path { transition: none; }
  .diagram-stage { transition: none; opacity: 1; transform: none; }
  .diagram-bubble { transition: none; }
}

.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.tag-list li {
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  padding: 7px 14px;
  border-radius: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.tag-list li:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

/* ============ GALLERY ============ */
.gallery {
  padding: 88px 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.gallery-lead {
  text-align: center;
  color: var(--color-text-muted);
  margin-top: -32px;
  margin-bottom: 40px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.gallery-item {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 2px;
}

.gallery-item-wide {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

@media (max-width: 720px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item-wide { grid-column: span 2; }
}

/* ============ FAQ ============ */
.faq {
  padding: 88px 0;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
}
.faq-item:last-child { border-bottom: 1px solid var(--color-border); }

.faq-item summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  list-style: none;
  position: relative;
  padding-right: 28px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  transition: transform 0.25s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  color: var(--color-text-muted);
  margin-top: 14px;
  max-width: 65ch;
}

/* ============ INDUSTRIES ============ */
.industries {
  padding: 88px 0;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: var(--color-border);
  border: 1px solid var(--color-border);
}

.industry-card {
  background-color: var(--color-bg-secondary);
  padding: 28px;
  transition: background-color 0.2s ease;
}
.industry-card:hover {
  background-color: var(--color-bg-tertiary);
}

.industry-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.industry-card p { color: var(--color-text-muted); font-size: 0.9rem; }

/* Последняя карточка занимает всю ширину недостающего ряда и превращает
   его в осмысленный переход к контактам, а не в пустое место */
.industry-card-wide {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  background-color: var(--color-bg-tertiary);
}
.industry-card-wide h3 { margin-bottom: 6px; }
.industry-card-wide p { margin-bottom: 0; }

.industry-card-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-accent);
  white-space: nowrap;
  padding: 10px 18px;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.industry-card-link:hover {
  border-color: var(--color-accent);
  background-color: rgba(194, 69, 47, 0.08);
}

@media (max-width: 720px) {
  .industry-card-wide { flex-direction: column; align-items: flex-start; }
}

/* ============ PROCESS ============ */
.process {
  padding: 88px 0;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.process-list { max-width: 720px; margin: 0 auto; }

.process-list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--color-border);
}
.process-list li:last-child { border-bottom: 1px solid var(--color-border); }

.process-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-accent);
  position: relative;
}

.process-num::before { content: "0"; opacity: 0.5; }

.process-list h3 { font-size: 1.1rem; margin-bottom: 6px; }
.process-list p { color: var(--color-text-muted); font-size: 0.95rem; }

/* ============ ORDER ============ */
.order {
  padding: 88px 0;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
}

.order-lead { text-align: center; color: var(--color-text-muted); margin-top: -32px; margin-bottom: 48px; }

.order-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.order-step {
  background-color: var(--color-bg-tertiary);
  padding: 28px;
  border-radius: 2px;
}
.order-step h3 { font-size: 1.05rem; margin-bottom: 10px; }
.order-step p { color: var(--color-text-muted); font-size: 0.95rem; }

/* ============ CONTACT ============ */
.contact {
  padding: 100px 0;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(194, 69, 47, 0.06), transparent 55%),
    var(--color-bg);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-text p { color: var(--color-text-muted); margin-bottom: 32px; max-width: 50ch; }

.contact-details li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 0;
  border-top: 1px solid var(--color-border);
}
.contact-details li:last-child { border-bottom: 1px solid var(--color-border); }
.contact-details span { color: var(--color-text-muted); font-size: 0.85rem; }
.contact-details a { font-family: var(--font-heading); font-size: 1.2rem; }
.contact-details a:hover { color: var(--color-accent); }

.email-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.copy-btn {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  padding: 4px 10px;
  font-size: 0.8rem;
  font-family: var(--font-body);
  color: var(--color-text-muted);
  line-height: 1.4;
  transition: background 0.2s ease, color 0.2s ease;
}

.copy-btn:hover {
  background: rgba(194, 69, 47, 0.08);
  color: var(--color-text);
}

.contact-form { display: flex; flex-direction: column; gap: 18px; }

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.contact-form input, .contact-form textarea {
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: 2px;
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-note { color: var(--color-accent); font-size: 0.9rem; min-height: 20px; }

/* ============ FOOTER ============ */
.site-footer { border-top: 1px solid var(--color-border); padding: 40px 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-phone,
.footer-email {
  color: var(--color-text);
  font-size: 0.95rem;
}

.footer-phone:hover,
.footer-email:hover {
  color: var(--color-accent);
}

.footer-img {
  width: 220px;
  opacity: 0.9;
}

.footer-messengers {
  display: flex;
  gap: 16px;
  margin-top: 4px;
}

.footer-messengers a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-messengers a:hover {
  color: var(--color-accent);
}

/* ============ SCROLL PROGRESS ============ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background-color: var(--color-accent);
  z-index: 1000;
  transition: width 0.1s ease-out;
}

/* ============ BACK TO TOP ============ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text);
  font-size: 1.15rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
}

/* ============ SCROLL REVEAL (single quiet style, no per-card theatrics) ============ */
.anim-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.anim-up.in-view {
  opacity: 1;
  transform: translateY(0);
}
.anim-title {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.anim-title.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .scroll-progress, .back-to-top { transition: none !important; }
  .anim-up, .anim-title {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-cta { align-self: flex-start; }

  .features-grid, .advantages-grid, .order-steps { grid-template-columns: 1fr; }
  .about-inner, .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card { padding: 28px 22px; }
}

@media (max-width: 560px) {
  .industries-grid { grid-template-columns: 1fr; }
  .hero { padding: 90px 0 60px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}