/* TAS-GABION */
:root {
  --bg: #0d1117;
  --bg-elevated: #151b24;
  --bg-card: #1a222d;
  --text: #b8c4d0;
  --text-muted: #6b7a8a;
  --text-bright: #e8edf2;
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.15);
  --accent-glow: rgba(0, 212, 255, 0.4);
  --border: rgba(180, 190, 200, 0.12);
  --font-display: "Rajdhani", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --header-h: 72px;
  --radius: 12px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --container-max: 1280px;
  --page-gutter: clamp(1.25rem, 4vw, 2.5rem);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 8px);
  -webkit-text-size-adjust: 100%;
  font-size: clamp(16px, 0.45vw + 14px, 22px);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: var(--safe-bottom);
}

img, video { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-left: max(var(--page-gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--page-gutter), env(safe-area-inset-right, 0px));
}

.text-accent { color: var(--accent); }

/* Cursor glow — desktop only */
.cursor-glow {
  position: fixed;
  width: min(400px, 80vw);
  height: min(400px, 80vw);
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s;
}
@media (hover: hover) and (pointer: fine) {
  body:hover .cursor-glow { opacity: 1; }
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(13, 17, 23, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 0.75rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 0.5vw + 0.95rem, 1.45rem);
  letter-spacing: 0.06em;
  color: var(--text-bright);
  flex-shrink: 0;
}
.logo--brand .logo__img {
  width: auto;
  min-width: 160px;
  max-width: min(300px, 55vw);
  height: clamp(44px, 7vw, 56px);
  display: block;
  object-fit: contain;
  overflow: visible;
}
.logo--footer .logo__img {
  min-width: 140px;
  max-width: 260px;
  height: clamp(38px, 6vw, 48px);
}

.nav {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2rem);
}
.nav a {
  font-size: clamp(0.95rem, 0.35vw + 0.85rem, 1.1rem);
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  white-space: nowrap;
}
.nav a:hover { color: var(--accent); }

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-bright);
  transition: var(--transition);
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(0.85rem, 2vw, 1rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: var(--transition);
  min-height: 48px;
  text-align: center;
}
.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  min-height: 40px;
}
.btn--primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn--primary:hover {
  background: #33ddff;
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}
.btn--glow { animation: pulse-glow 3s ease-in-out infinite; }
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 16px var(--accent-dim); }
  50% { box-shadow: 0 0 28px var(--accent-glow); }
}
.btn--outline {
  border-color: var(--border);
  color: var(--text-bright);
  background: rgba(13, 17, 23, 0.5);
  backdrop-filter: blur(8px);
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn--full { width: 100%; }
.form .btn[type="submit"] {
  text-transform: none;
  letter-spacing: 0.01em;
}
.btn__wa {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: -0.03em;
  font-size: 1.05em;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(105deg, rgba(13, 17, 23, 0.92) 0%, rgba(13, 17, 23, 0.75) 45%, rgba(13, 17, 23, 0.55) 100%),
    linear-gradient(to top, var(--bg) 0%, transparent 35%);
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.6;
}
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 80% at 30% 50%, black, transparent);
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 3;
  padding-block: clamp(2rem, 6vw, 5rem) clamp(5rem, 12vw, 8rem);
  width: 100%;
  max-width: 52rem;
}
.hero__tag {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 0.4vw + 0.8rem, 1.15rem);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw + 1.25rem, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--text-bright);
  margin-bottom: 1.25rem;
}
.hero__lead {
  font-size: clamp(1.05rem, 0.6vw + 0.95rem, 1.35rem);
  margin-bottom: 2rem;
  color: var(--text);
  max-width: 42rem;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__scroll {
  position: absolute;
  bottom: max(1.5rem, var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  z-index: 3;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(var(--accent), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0%, 100% { transform: scaleY(0.3); opacity: 0.5; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* Stats */
.stats {
  position: relative;
  z-index: 2;
  border-block: 1px solid var(--border);
  background: var(--bg-elevated);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
}
.stat {
  text-align: center;
  padding: 0.75rem;
}
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stat__suffix {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--accent);
}
.stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: clamp(0.75rem, 2vw, 0.85rem);
  color: var(--text-muted);
}
.stat__label--text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--accent);
  margin-top: 0;
}

/* Sections */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section--dark { background: var(--bg-elevated); }
.section--accent {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg) 100%);
  border-top: 1px solid var(--border);
}
.section__head { margin-bottom: clamp(2rem, 5vw, 3rem); max-width: 640px; }
.section__head--center {
  margin-inline: auto;
  text-align: center;
  max-width: 560px;
}
.section__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 2.5vw + 1rem, 3.25rem);
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.12;
}
.section__desc {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: clamp(1rem, 0.4vw + 0.9rem, 1.2rem);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* About */
.about__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.about__card {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.about__card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  transform: translateY(-3px);
}
.about__card--accent {
  border-color: var(--accent);
  box-shadow: 0 0 32px var(--accent-dim);
}
.about__card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-bright);
  margin-bottom: 0.6rem;
}
.about__card p { font-size: clamp(0.9rem, 2vw, 0.95rem); }

/* Features — преимущества и особенности */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.feature-card {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.feature-card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  transform: translateY(-2px);
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--text-bright);
  margin-bottom: 0.45rem;
}
.feature-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.55; }

/* Mesh specs */
.mesh-specs {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  align-items: start;
  margin-top: 3rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg, var(--radius));
}
.mesh-specs__info h3 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.65rem);
  color: var(--text-bright);
  margin: 0.35rem 0 0.75rem;
}
.mesh-specs__info > p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}
.mesh-specs__params {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 0;
}
.mesh-specs__param {
  padding: 0.85rem 1rem;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: var(--radius);
}
.mesh-specs__param dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}
.mesh-specs__param dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  font-weight: 600;
  color: var(--accent);
  line-height: 1.35;
}

/* Process */
.process__steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: process;
}
.process__step {
  position: relative;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.process__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1rem;
}
.process__step h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-bright);
  margin-bottom: 0.4rem;
}
.process__step p { font-size: 0.88rem; color: var(--text-muted); }
.process__cta {
  margin-top: 2rem;
  text-align: center;
}

/* FAQ */
.faq__list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.faq__item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq__item[open] { border-color: rgba(0, 212, 255, 0.35); }
.faq__item summary {
  padding: 1.1rem 1.25rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-bright);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform var(--transition);
}
.faq__item[open] summary::after {
  content: "−";
}
.faq__item p {
  padding: 0 1.25rem 1.15rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.faq__more {
  margin-top: 1.75rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.faq__more a { color: var(--accent); }
.faq__more a:hover { text-decoration: underline; }

/* Services */
.services__scroller {
  position: relative;
}
.services__hint {
  display: none;
  margin: 0.75rem 0 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.service-card:last-child:nth-child(3n + 1) {
  grid-column: 2;
}
.services__more {
  margin-top: 2rem;
  text-align: center;
  color: var(--text-muted);
}
.services__more a { color: var(--accent); }
.services__more a:hover { text-decoration: underline; }
.service-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
}
.service-card:hover {
  border-color: var(--accent);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}
.service-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.service-card__body { padding: 1.25rem 1.5rem 1.5rem; }
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text-bright);
  margin-bottom: 0.4rem;
}
.service-card p { font-size: 0.9rem; color: var(--text-muted); }

/* Showreel */
.showreel__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.25rem;
}
.showreel__grid--4 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
}
.showreel__grid--4 .video-card--featured {
  grid-column: 1 / -1;
  grid-row: auto;
}
.showreel__grid--4 .video-card--featured .video-card__wrap {
  aspect-ratio: 16 / 9;
  max-height: min(58vh, 520px);
  min-height: 0;
  height: auto;
}
.video-card--featured {
  grid-row: span 2;
}
.video-card__wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border);
  aspect-ratio: 9 / 16;
}
.video-card--featured .video-card__wrap {
  aspect-ratio: auto;
  height: 100%;
  min-height: 280px;
}
.video-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.video-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-bright);
  margin-top: 0.75rem;
}
.video-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Marquee */
.marquee {
  overflow: hidden;
  padding: 1rem 0;
  border-block: 1px solid var(--border);
}
.marquee__track {
  display: flex;
  gap: 1.5rem;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}
.marquee__track span:nth-child(even) { color: var(--accent); opacity: 0.45; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Gallery */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.gallery__item {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
  cursor: zoom-in;
  padding: 0;
  width: 100%;
}
.gallery__item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gallery__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 17, 23, 0.88) 0%, transparent 55%);
  pointer-events: none;
  z-index: 1;
}
.gallery__item span {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(0.85rem, 2vw, 1rem);
  color: var(--text-bright);
  z-index: 2;
  text-align: left;
}
.gallery__item:hover,
.gallery__item:focus-visible {
  transform: scale(1.02);
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 24px var(--accent-dim);
}
/* 7-я карточка по центру в последнем ряду */
.gallery__item:last-child:nth-child(3n + 1) {
  grid-column: 2;
}
.gallery__more {
  margin-top: 2rem;
  text-align: center;
  color: var(--text-muted);
}
.gallery__more a { color: var(--accent); }
.gallery__more a:hover { text-decoration: underline; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  padding-top: max(1rem, env(safe-area-inset-top));
}
.lightbox[hidden] { display: none; }
.lightbox__img {
  max-width: min(100%, 1100px);
  max-height: 90vh;
  max-height: 90dvh;
  object-fit: contain;
  border-radius: var(--radius);
}
.lightbox__close {
  position: absolute;
  top: max(1rem, env(safe-area-inset-top));
  right: 1rem;
  width: 48px;
  height: 48px;
  font-size: 2rem;
  color: var(--text-bright);
  line-height: 1;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

/* CTA */
.cta__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.cta__links { margin-top: 1.5rem; }
.cta__social {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.25rem);
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.cta__phone {
  display: block;
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 600;
  color: var(--text-bright);
}

.form {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.form label { display: block; margin-bottom: 1.15rem; }
.form label span {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-bright);
  font-family: inherit;
  font-size: 16px; /* prevents iOS zoom */
  transition: border-color var(--transition);
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.form__row label { margin-bottom: 0; }
.form__success {
  margin-top: 1rem;
  color: var(--accent);
  text-align: center;
}

/* Footer */
.footer {
  padding: 1.5rem 0;
  padding-bottom: max(1.5rem, var(--safe-bottom));
  border-top: 1px solid var(--border);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer a:hover { color: var(--accent); }

/* Side widgets */
.side-widget {
  position: fixed;
  z-index: 900;
  bottom: calc(1.25rem + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  pointer-events: none;
}
.side-widget > * { pointer-events: auto; }
.side-widget--left { left: 1.25rem; align-items: flex-start; z-index: 901; }
.side-widget--right {
  right: 1rem;
  align-items: flex-end;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}
body.assistant-open .side-widget--right {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(12px);
}

/* Assistant — layout from reference, colors from site theme */
.assistant-panel {
  width: min(380px, calc(100vw - 1.5rem));
  height: min(520px, calc(100dvh - var(--header-h) - 6rem));
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(0, 212, 255, 0.06),
    0 0 32px rgba(0, 212, 255, 0.06);
  overflow: hidden;
  transform-origin: left bottom;
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  visibility: hidden;
  transition: opacity 0.35s ease, transform 0.4s cubic-bezier(0.34, 1.1, 0.64, 1), visibility 0.35s;
}
.assistant-panel[hidden] { display: none !important; }
.assistant-panel.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  visibility: visible;
}

.assistant-panel__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.25rem 1.05rem;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-card) 55%, rgba(0, 212, 255, 0.08) 100%);
  border-bottom: 1px solid rgba(0, 212, 255, 0.12);
  flex-shrink: 0;
}
.assistant-panel__eyebrow {
  display: block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.assistant-panel__title {
  display: block;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-bright);
}
.assistant-panel__close {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.assistant-panel__close:hover {
  background: var(--accent-dim);
  border-color: rgba(0, 212, 255, 0.35);
  color: var(--accent);
}

.assistant-panel__body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 1.1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: var(--bg-elevated);
}
.assistant-panel__body::-webkit-scrollbar { width: 4px; }
.assistant-panel__body::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.2);
  border-radius: 99px;
}

.assistant__welcome {
  flex-shrink: 0;
  padding: 1rem 1.1rem;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius);
  color: var(--text);
}
.assistant__welcome p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
}
.assistant__welcome-btn {
  display: inline-block;
  margin-top: 0.85rem;
  padding: 0.55rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.assistant__welcome-btn:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.assistant__quick {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.assistant__chip {
  padding: 0.5rem 0.9rem;
  font-size: 0.8rem;
  line-height: 1.35;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  background: var(--bg-card);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.assistant__chip:hover {
  border-color: rgba(0, 212, 255, 0.4);
  background: var(--accent-dim);
  color: var(--text-bright);
}

.assistant__messages {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 0;
}
.assistant__msg {
  max-width: 88%;
  padding: 0.7rem 0.95rem;
  border-radius: 14px;
  font-size: 0.875rem;
  line-height: 1.5;
  word-wrap: break-word;
  animation: msg-in 0.3s ease forwards;
}
@keyframes msg-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.assistant__msg p { margin: 0; }
.assistant__msg--bot {
  align-self: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-bottom-left-radius: 4px;
}
.assistant__msg--user {
  align-self: flex-end;
  background: rgba(0, 212, 255, 0.15);
  border: 1px solid rgba(0, 212, 255, 0.28);
  color: var(--text-bright);
  border-bottom-right-radius: 4px;
}
.assistant__msg--typing {
  align-self: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.85rem 1rem;
}
.assistant__dots {
  display: inline-flex;
  gap: 5px;
}
.assistant__dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: typing-dot 1.2s ease-in-out infinite;
}
.assistant__dots span:nth-child(2) { animation-delay: 0.15s; }
.assistant__dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing-dot {
  0%, 60%, 100% { opacity: 0.35; }
  30% { opacity: 1; }
}
.assistant__link {
  display: inline-block;
  margin-top: 0.45rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
}
.assistant__link:hover { text-decoration: underline; }
.assistant__cta-btn {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.55rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  transition: background 0.2s, border-color 0.2s;
}
.assistant__cta-btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  text-decoration: none;
}

.assistant-panel__foot {
  flex-shrink: 0;
  padding: 0.85rem 1rem 1rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}
.assistant__form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.assistant__form input {
  flex: 1;
  min-width: 0;
  height: 2.75rem;
  padding: 0 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text-bright);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.assistant__form input::placeholder { color: var(--text-muted); }
.assistant__form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}
.assistant__send {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: filter 0.2s, opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}
.assistant__send:hover:not(:disabled) {
  filter: brightness(1.08);
  transform: scale(1.03);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}
.assistant__send:disabled { opacity: 0.45; cursor: not-allowed; }

@keyframes launcher-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
    box-shadow:
      0 8px 28px rgba(0, 212, 255, 0.35),
      0 0 0 4px rgba(0, 212, 255, 0.06),
      inset 0 1px 0 rgba(255, 255, 255, 0.35);
  }
  50% {
    transform: scale(1.035);
    opacity: 0.82;
    box-shadow:
      0 10px 32px rgba(0, 212, 255, 0.42),
      0 0 0 6px rgba(0, 212, 255, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.38);
  }
}
@keyframes launcher-icon-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
    filter: drop-shadow(0 2px 4px rgba(0, 40, 60, 0.2));
  }
  50% {
    transform: scale(1.04);
    opacity: 0.9;
    filter: drop-shadow(0 2px 6px rgba(0, 40, 60, 0.15));
  }
}

.assistant-launcher {
  position: relative;
  width: 3.75rem;
  height: 3.75rem;
  border-radius: 50%;
  background: linear-gradient(145deg, #00e5ff 0%, #00b8dc 45%, #0096b8 100%);
  border: 2px solid rgba(0, 212, 255, 0.45);
  color: #fff;
  box-shadow:
    0 8px 28px rgba(0, 212, 255, 0.4),
    0 0 0 4px rgba(0, 212, 255, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s, opacity 0.25s;
  animation: launcher-pulse 4.2s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
}
.assistant-launcher__icon {
  width: 1.85rem;
  height: 1.85rem;
  filter: drop-shadow(0 2px 4px rgba(0, 40, 60, 0.25));
  transition: transform 0.25s, filter 0.25s, opacity 0.25s;
  animation: launcher-icon-pulse 4.2s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
}
.assistant-launcher:hover {
  animation: none;
  opacity: 1;
  transform: translateY(-3px) scale(1.05);
  border-color: rgba(0, 212, 255, 0.7);
  box-shadow:
    0 14px 36px rgba(0, 212, 255, 0.5),
    0 0 0 6px rgba(0, 212, 255, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}
.assistant-launcher:hover .assistant-launcher__icon {
  animation: none;
  opacity: 1;
  transform: scale(1.06);
}
.assistant-launcher.is-active {
  animation: none;
  opacity: 1;
  transform: scale(0.94);
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}
.assistant-launcher.is-active .assistant-launcher__icon { animation: none; }

/* Social rail */
.social-rail {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.social-rail__link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--bg-card), #141c26);
  border: 1px solid var(--border);
  color: var(--text-bright);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
  transition: transform 0.35s cubic-bezier(0.34, 1.2, 0.64, 1), border-color 0.3s, color 0.3s, box-shadow 0.3s;
  animation: social-float 4s ease-in-out infinite;
}
.social-rail__link:nth-child(2) { animation-delay: 0.5s; }
.social-rail__link:nth-child(3) { animation-delay: 1s; }
@keyframes social-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.social-rail__link:hover,
.social-rail__link:focus-visible {
  animation: none;
  transform: translateX(-6px) scale(1.08);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.5);
}
.social-rail__link--ig:hover { color: #e1306c; border-color: rgba(225, 48, 108, 0.55); box-shadow: 0 8px 24px rgba(225, 48, 108, 0.2); }
.social-rail__link--wa:hover { color: #25d366; border-color: rgba(37, 211, 102, 0.55); box-shadow: 0 8px 24px rgba(37, 211, 102, 0.2); }
.social-rail__link--phone:hover { color: var(--accent); border-color: rgba(0, 212, 255, 0.55); box-shadow: 0 8px 24px rgba(0, 212, 255, 0.2); }

.social-rail__tip {
  position: absolute;
  right: calc(100% + 0.65rem);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  padding: 0.4rem 0.7rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--text-bright);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}
.social-rail__link:hover .social-rail__tip,
.social-rail__link:focus-visible .social-rail__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* ——— Responsive ——— */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .mesh-specs { grid-template-columns: 1fr; gap: 1.25rem; }
  .process__steps { grid-template-columns: repeat(2, 1fr); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .service-card:last-child:nth-child(3n + 1) { grid-column: auto; }
  .showreel__grid--4 {
    grid-template-columns: 1fr 1fr;
  }
  .showreel__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .video-card--featured {
    grid-column: span 2;
    grid-row: auto;
  }
  .video-card--featured .video-card__wrap {
    aspect-ratio: 16 / 9;
    min-height: 0;
  }
  .video-card__wrap { aspect-ratio: 9 / 14; }
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
    --page-gutter: 1.5rem;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.5rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    gap: 0;
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }
  .nav a:last-child { border-bottom: none; }

  .burger { display: flex; }
  .header__actions .btn--sm { display: none; }

  .hero__canvas { display: none; }
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .about__grid { grid-template-columns: 1fr; }
  .features__grid { grid-template-columns: 1fr; }
  .mesh-specs { padding: 1.25rem; margin-top: 2rem; }
  .mesh-specs__params { grid-template-columns: 1fr; }
  .process__steps { grid-template-columns: 1fr; }

  .services__hint { display: block; }
  .services__scroller {
    margin-inline: calc(-1 * var(--page-gutter));
    padding-inline: var(--page-gutter);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: var(--page-gutter);
    scrollbar-width: none;
  }
  .services__scroller::-webkit-scrollbar { display: none; }
  .services__grid {
    display: flex;
    gap: 1rem;
    width: max-content;
    padding-bottom: 0.25rem;
  }
  .service-card {
    flex: 0 0 min(85vw, 300px);
    scroll-snap-align: start;
  }
  .service-card:last-child:nth-child(3n + 1) { grid-column: auto; }

  .showreel__grid,
  .showreel__grid--4 { grid-template-columns: 1fr; }
  .video-card--featured { grid-column: span 1; }
  .showreel__grid--4 .video-card--featured .video-card__wrap {
    aspect-ratio: 16 / 9;
    max-height: none;
  }
  .video-card__wrap {
    aspect-ratio: 9 / 16;
    max-height: 70vh;
  }

  .gallery__grid { grid-template-columns: 1fr; }

  .cta__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .side-widget { bottom: calc(0.85rem + var(--safe-bottom)); }
  .side-widget--left { left: var(--page-gutter); }
  .side-widget--right { right: var(--page-gutter); }
  .assistant-panel {
    position: fixed;
    left: var(--page-gutter);
    right: var(--page-gutter);
    bottom: calc(4.75rem + var(--safe-bottom));
    width: auto;
    height: min(500px, calc(100dvh - var(--header-h) - 5rem));
    transform-origin: center bottom;
  }
  .social-rail__tip { display: none; }
  .social-rail__link { width: 2.75rem; height: 2.75rem; }
}

@media (max-width: 480px) {
  :root { --page-gutter: 1.25rem; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .gallery__grid { grid-template-columns: 1fr; }
}

/* Широкие мониторы (Full HD+, 2K, 4K) */
@media (min-width: 1400px) {
  :root {
    --container-max: 1360px;
    --header-h: 80px;
  }
  .section__head { max-width: 48rem; }
  .hero__content { max-width: 58rem; }
}

@media (min-width: 1800px) {
  :root { --container-max: 1520px; }
  .stat__num { font-size: 3.25rem; }
  .btn { padding: 1rem 1.75rem; }
}

@media (min-width: 2200px) {
  :root { --container-max: 1680px; }
  html { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero__video { display: none; }
  .assistant-panel { opacity: 1; transform: none; }
  .assistant__msg { animation: none; }
  .assistant-launcher { animation: none; }
  .assistant-launcher__icon { animation: none; }
  .social-rail__link { animation: none; }
  .hero__overlay {
    background: linear-gradient(135deg, var(--bg-elevated), var(--bg));
  }
}