/* ============ Фирменные шрифты ============ */
@font-face {
  font-family: 'Evolventa';
  src: url('../assets/fonts/Evolventa-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Evolventa';
  src: url('../assets/fonts/Evolventa-Bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ============ Переменные бренда ============ */
:root {
  --graphite: #1e1e1e;
  --graphite-2: #161616;
  --teal: #06414d;
  --teal-2: #0a5462;
  --mint: #9dd1cd;
  --blue: #9dbbd1;
  --sand: #d0c0af;
  --accent: #f5800b;
  --accent-2: #ec4f18;
  --paper: #f4f3ef;
  --white: #ffffff;
  --text: #2b2b2b;
  --text-muted: #6b6b6b;
  --radius: 18px;
  --font: 'Evolventa', 'Segoe UI', Arial, sans-serif;
}

/* ============ База ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1200px, 92%); margin: 0 auto; }
.section { padding: clamp(72px, 9vw, 130px) 0; position: relative; }
.section--dark { background: var(--teal); color: var(--white); }

.section__kicker {
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 18px;
  font-weight: 700;
}
.section__kicker--light { color: var(--mint); }
.section__title {
  font-size: clamp(28px, 4.2vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 28px;
  letter-spacing: .01em;
}

/* ============ Кнопки ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 34px;
  border-radius: 999px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .35s cubic-bezier(.22,1,.36,1), background .3s, color .3s, border-color .3s, box-shadow .3s;
  will-change: transform;
}
.btn:hover { transform: translateY(-3px); }
.btn--light { background: var(--white); color: var(--teal); }
.btn--light:hover { background: var(--mint); }
.btn--ghost { border-color: rgba(255,255,255,.55); color: var(--white); }
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.btn--accent { background: var(--accent); color: var(--white); box-shadow: 0 10px 30px rgba(245,128,11,.35); }
.btn--accent:hover { background: var(--accent-2); }
.btn--dark { background: var(--teal); color: var(--white); }
.btn--dark:hover { background: var(--graphite); }

/* ============ Шапка ============ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 18px 0;
  transition: background .4s, padding .4s, box-shadow .4s;
}
.header.is-scrolled {
  background: rgba(22,22,22,.94);
  padding: 10px 0;
  box-shadow: 0 6px 30px rgba(0,0,0,.25);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.header__logo img { height: 45px; width: auto; transition: height .4s; }
.header.is-scrolled .header__logo img { height: 30px; }
.header__cta { display: none; }
.nav { display: flex; align-items: center; gap: 34px; }
.nav__link {
  color: rgba(255,255,255,.85);
  font-size: 14px;
  letter-spacing: .1em;
  text-transform: uppercase;
  position: relative;
  transition: color .3s;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 1.5px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .4s cubic-bezier(.22,1,.36,1);
}
.nav__link:hover { color: var(--white); }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__cta { padding: 12px 26px; font-size: 12px; }

.burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}
.burger span {
  width: 28px; height: 2px;
  background: var(--white);
  transition: transform .35s, opacity .3s;
}
.burger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============ Первый экран ============ */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background: url('../assets/hero-waves.jpg') center/cover no-repeat;
  animation: kenburns 26s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes kenburns {
  from { transform: scale(1) translateY(0); }
  to   { transform: scale(1.12) translateY(-2%); }
}
.hero__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,32,38,.62) 0%, rgba(6,65,77,.38) 42%, rgba(12,16,16,.82) 100%);
}
.hero__content { position: relative; z-index: 2; padding: 130px 0 110px; }
.hero__kicker {
  font-size: clamp(14px, 1.4vw, 17px);
  letter-spacing: .38em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 22px;
  font-weight: 700;
  text-shadow: 0 2px 18px rgba(0,0,0,.45);
}
.hero__title {
  font-size: clamp(40px, 7.5vw, 88px);
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: .01em;
  margin-bottom: 24px;
  text-shadow: 0 4px 32px rgba(0,0,0,.4);
}
.hero__sub {
  font-size: clamp(15px, 1.5vw, 18px);
  color: rgba(255,255,255,.92);
  margin: 0 auto 44px;
  letter-spacing: .06em;
  white-space: nowrap;
  text-shadow: 0 2px 14px rgba(0,0,0,.5);
}
.hero__sep {
  display: inline-block;
  margin: 0 .9em;
  color: var(--mint);
}
.hero__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero__scroll-line {
  display: block;
  width: 1.5px; height: 64px;
  background: rgba(255,255,255,.5);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -40%; left: 0;
  width: 100%; height: 40%;
  background: var(--white);
  animation: scrollHint 2.2s ease-in-out infinite;
}
@keyframes scrollHint {
  0% { top: -40%; } 100% { top: 110%; }
}

/* ============ О компании ============ */
.about { background: var(--paper); }
.about__grid {
  display: grid;
  grid-template-columns: 1.2fr .9fr;
  gap: clamp(40px, 6vw, 50px);
  align-items: center;
}
.about__text p { color: var(--text-muted); margin-bottom: 18px; font-size: 16.5px; }
.about__lead {
  color: var(--text) !important;
  font-size: clamp(18px, 1.8vw, 21px) !important;
  font-weight: 700;
  margin-bottom: 22px !important;
}
.about__stats {
  display: flex;
  gap: clamp(24px, 4vw, 45px);
  margin-top: 42px;
  flex-wrap: wrap;
}
.stat__num {
  position: relative;
  display: inline-block;
}
.stat { position: relative; padding-top: 30px; }
.stat::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -13px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 1px solid transparent;
  border-top-color: rgba(6,65,77,.28);
  border-left-color: rgba(6,65,77,.28);
  transform: rotate(14deg);
  pointer-events: none;
}
.stat:nth-child(2)::before { transform: rotate(38deg); }
.stat:nth-child(3)::before {transform: rotate(74deg);top: -10px;left: 0px;}
.stat:nth-child(4)::before {transform: rotate(104deg);top: -10px;left: 20px;}
.stat__num {
  font-size: clamp(38px, 4.5vw, 58px);
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat__label { font-size: 13px; color: var(--text-muted); margin-top: 10px; line-height: 1.45; }

/* Слайдер «О компании»: круглые фото с тонкими орбитами */
.about__media { position: relative; padding: clamp(18px, 3vw, 34px); }
.about__media::before,
.about__media::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(6,65,77,.28);
  pointer-events: none;
}
.about__media::after { inset: clamp(9px, 1.5vw, 17px); border-color: rgba(6,65,77,.14); }
.slider {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(30,30,30,.16);
}
.slider__slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.1s ease;
}
.slider__slide.is-active { opacity: 1; z-index: 1; }
.slider__slide img { width: 100%; height: 100%; object-fit: cover; }
.slider__caption {
  position: absolute;
  left: 50%; bottom: 11%;
  transform: translateX(-50%);
  max-width: 74%;
  text-align: center;
  background: rgba(22,22,22,.72);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  line-height: 1.5;
  padding: 9px 16px;
  border-radius: 999px;
}
.slider__dots {
  position: absolute;
  left: 50%; bottom: -4px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 8px;
}
.slider__dot {
  width: 8px; height: 8px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  background: rgba(6,65,77,.25);
  cursor: pointer;
  transition: width .35s, background .35s;
}
.slider__dot.is-active { width: 26px; background: var(--teal); }

/* ============ Преимущества ============ */
.advantages {
  background: url('../assets/pattern-scales.jpg') center bottom / cover no-repeat;
}
.advantages::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,52,62,.9) 0%, rgba(6,65,77,.78) 100%);
}
.advantages .container { position: relative; z-index: 1; }
.advantages__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(28px, 3.5vw, 48px);
  margin-top: 58px;
}
.adv-item {
  padding-top: 4px;
}
.adv-item__icon {
  width: 84px; height: 84px;
  border-radius: 50%;
  border: 1px solid rgba(157,209,205,.55);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 26px;
  transition: border-color .35s, transform .45s cubic-bezier(.22,1,.36,1);
}
.adv-item:hover .adv-item__icon { border-color: var(--mint); transform: translateY(-6px); }
.adv-item__icon img { width: 44px; height: 44px; object-fit: contain; }
.adv-item h3 { font-size: 18px; margin-bottom: 12px; color: var(--white); line-height: 1.3; }
.adv-item p { font-size: 14.5px; color: rgba(255,255,255,.72); line-height: 1.65; }

/* ============ Каталог ============ */
.catalog { background: var(--white); }
.catalog__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 56px;
}
.ctab {
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .05em;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1.5px solid rgba(6,65,77,.25);
  background: transparent;
  color: var(--teal);
  cursor: pointer;
  transition: all .3s;
}
.ctab:hover { border-color: var(--teal); }
.ctab.is-active { background: var(--teal); color: var(--white); border-color: var(--teal); }

/* Фирменные цвета линеек из каталога — на ховере и активной вкладке */
.ctab--ikra:hover,   .ctab--ikra.is-active   { background: #ba8808; border-color: #ba8808; color: var(--white); }
.ctab--ss:hover,     .ctab--ss.is-active     { background: #007c82; border-color: #007c82; color: var(--white); }
.ctab--hk:hover,     .ctab--hk.is-active     { background: #3e3e3f; border-color: #3e3e3f; color: var(--white); }
.ctab--xk:hover,     .ctab--xk.is-active     { background: #002f53; border-color: #002f53; color: var(--white); }
.ctab--frozen:hover, .ctab--frozen.is-active { background: #f58220; border-color: #f58220; color: var(--white); }
.ctab--dried:hover,  .ctab--dried.is-active  { background: #4d6044; border-color: #4d6044; color: var(--white); }

/* Экран линейки: журнальный разворот */
.cscreen { display: none; }
.cscreen.is-active {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
  animation: cscreenIn .7s cubic-bezier(.22,1,.36,1);
}
@keyframes cscreenIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cscreen__media {
  position: relative;
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: 14px;
}
.cscreen__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(.22,1,.36,1);
}
.cscreen:hover .cscreen__media img { transform: scale(1.05); }
.cscreen__title {
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--graphite);
  text-transform: uppercase;
  letter-spacing: .02em;
  margin-bottom: 10px;
}
.cscreen__subtitle {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.cscreen__desc {
  font-size: 16.5px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 56ch;
  margin-bottom: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(30,30,30,.1);
}
.cscreen__products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
}
.cprod { min-width: 0; }
.cprod__img {
  aspect-ratio: 1/1;
  background: var(--white);
  border: 1px solid rgba(30,30,30,.06);
  padding: clamp(18px, 2vw, 28px);
  margin-bottom: 16px;
  overflow: hidden;
}
.cprod__img img {
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform .9s cubic-bezier(.22,1,.36,1);
}
.cprod:hover .cprod__img img { transform: scale(1.06); }
.cprod h4 { font-size: 17px; line-height: 1.35; color: var(--graphite); margin-bottom: 8px; }
.cprod__spec { font-size: 14.5px; color: var(--text-muted); }
.cprod__shelf { font-size: 13px; color: rgba(107,107,107,.75); margin-top: 3px; }

/* ============ Партнёрам ============ */
.partners { overflow: hidden; background: var(--graphite-2); }
.partners__bg {
  position: absolute; inset: 0;
  background: url('../assets/fillet-stones.jpg') center/cover no-repeat;
}
.partners::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(10,14,14,.88) 25%, rgba(10,14,14,.72));
}
.partners__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
}
.partners__list { list-style: none; margin-top: 26px; }
.partners__list li {
  padding: 16px 0 16px 36px;
  position: relative;
  color: rgba(255,255,255,.88);
  font-size: 15.5px;
  line-height: 1.55;
  border-bottom: 1px solid rgba(157,209,205,.18);
}
.partners__list li:last-child { border-bottom: 0; }
.partners__list li strong { color: var(--white); }
.partners__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 22px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: inset 0 0 0 4px var(--teal);
}
.partners__note {
  margin-top: 26px;
  font-size: 14.5px;
  color: rgba(255,255,255,.6);
  max-width: 58ch;
}

/* Форма: стеклянный эффект */
.form {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text);
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(255,255,255,.55);
  padding: clamp(30px, 4vw, 48px);
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.form__title { font-size: 26px; color: var(--teal); margin-bottom: 8px; }
.form__sub { font-size: 14px; color: var(--text-muted); margin-bottom: 26px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: block; margin-bottom: 16px; }
.field span {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 700;
}
.field input,
.field textarea {
  width: 100%;
  font-family: var(--font);
  font-size: 15px;
  color: var(--text);
  background: rgba(255,255,255,.65);
  border: 1px solid rgba(6,65,77,.22);
  border-radius: 12px;
  padding: 14px 16px;
  outline: none;
  transition: border-color .3s, background .3s;
  resize: vertical;
}
.field input:focus,
.field textarea:focus { border-color: var(--teal); background: var(--white); }
.field input.is-error,
.field textarea.is-error { border-color: var(--accent-2); }
.form__submit { width: 100%; margin-top: 8px; border: 0; }
.form__note { font-size: 12px; color: var(--text-muted); margin-top: 16px; text-align: center; }
.form__note a { color: var(--teal); text-decoration: underline; }
.form.is-sent { text-align: center; }
.form__success {
  display: none;
  padding: 30px 0 10px;
}
.form.is-sent .form__success { display: block; }
.form.is-sent .form__row,
.form.is-sent .field,
.form.is-sent .form__submit,
.form.is-sent .form__note,
.form.is-sent .form__sub { display: none; }
.form__success-icon {
  width: 72px; height: 72px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: var(--teal);
  display: flex; align-items: center; justify-content: center;
}
.form__success-icon svg { width: 34px; height: 34px; stroke: var(--white); stroke-width: 2.5; fill: none; }
.form__success h4 { font-size: 22px; color: var(--teal); margin-bottom: 10px; }
.form__success p { font-size: 14.5px; color: var(--text-muted); }

/* ============ Контакты ============ */
.contacts { background: var(--paper); }
.contacts__grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: stretch;
  margin-top: 20px;
}
.contact-item { padding: 22px 0; border-bottom: 1px solid rgba(30,30,30,.09); }
.contact-item:first-child { padding-top: 0; }
.contact-item__label {
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
  font-weight: 700;
}
.contact-item p { font-size: 17px; color: var(--graphite); line-height: 1.55; }
.contact-item a { color: var(--teal); font-weight: 700; transition: color .3s; }
.contact-item a:hover { color: var(--accent); }
.contact-item a.social,
.contact-item a.social:hover { color: var(--white); font-weight: 400; }
.socials { display: flex; gap: 12px; margin-top: 4px; }
.social {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--teal);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  transition: background .3s, transform .35s cubic-bezier(.22,1,.36,1);
}
.social svg { width: 24px; height: 24px; }
.social:hover { background: var(--accent); transform: translateY(-4px); }
.contacts__cta { margin-top: 30px; }
.contacts__map {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
  box-shadow: 0 30px 60px rgba(30,30,30,.16);
  filter: grayscale(.15);
}
.contacts__map iframe { width: 100%; height: 100%; min-height: 420px; border: 0; display: block; }

/* ============ Подвал ============ */
.footer {
  background: var(--graphite-2);
  color: rgba(255,255,255,.7);
  padding: 56px 0 40px;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}
.footer__logo img { height: 92px; width: auto; opacity: .95; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 10px 30px; justify-content: center; }
.footer__nav a {
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: color .3s;
}
.footer__nav a:hover { color: var(--mint); }
.footer__meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 26px;
  width: 100%;
}
.footer__meta a { color: rgba(255,255,255,.65); text-decoration: underline; text-underline-offset: 3px; }
.footer__meta a:hover { color: var(--mint); }

/* ============ Модальное окно ============ */
.modal {
  position: fixed; inset: 0;
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  visibility: hidden;
  opacity: 0;
  transition: opacity .35s, visibility .35s;
}
.modal.is-open { visibility: visible; opacity: 1; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(15,15,15,.7); backdrop-filter: blur(6px); }
.modal__box {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  max-width: 620px;
  width: 100%;
  max-height: 84vh;
  overflow-y: auto;
  padding: clamp(28px, 4vw, 46px);
  transform: translateY(24px);
  transition: transform .4s cubic-bezier(.22,1,.36,1);
}
.modal.is-open .modal__box { transform: translateY(0); }
.modal__box h3 { color: var(--teal); font-size: 24px; margin-bottom: 18px; }
.modal__box p { font-size: 14.5px; color: var(--text-muted); margin-bottom: 14px; }
.modal__close {
  position: absolute;
  top: 14px; right: 16px;
  width: 40px; height: 40px;
  border: 0;
  border-radius: 50%;
  background: var(--paper);
  font-size: 24px;
  line-height: 1;
  color: var(--graphite);
  cursor: pointer;
  transition: background .3s;
}
.modal__close:hover { background: var(--mint); }

/* ============ Анимации появления ============ */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .9s cubic-bezier(.22,1,.36,1), transform .9s cubic-bezier(.22,1,.36,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .hero__bg { animation: none; }
  .cscreen.is-active { animation: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ============ Адаптив ============ */
@media (max-width: 1080px) {
  .advantages__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .about__grid,
  .partners__inner,
  .contacts__grid { grid-template-columns: 1fr; }
  .about__media { width: 100%; max-width: 480px; margin: 0 auto; }
  .partners { padding-top: 90px; }
  .cscreen.is-active { grid-template-columns: 1fr; }
  .cscreen__media { max-width: 520px; }
  .cscreen__products { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .burger { display: flex; }
  .header__cta {
    display: inline-flex;
    padding: 10px 18px;
    font-size: 11px;
    letter-spacing: .04em;
    margin-left: auto;
  }
  .header__inner { gap: 12px; }
  .nav {
    position: fixed;
    inset: 0;
    background: rgba(22,22,22,.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform .5s cubic-bezier(.22,1,.36,1), visibility 0s .5s;
    z-index: 105;
  }
  .nav.is-open { transform: translateY(0); visibility: visible; transition: transform .5s cubic-bezier(.22,1,.36,1), visibility 0s 0s; }
  .nav__link { font-size: 20px; }
  .nav__cta { font-size: 14px; padding: 16px 34px; }
  .header__logo img { height: 34px; }
}
@media (max-width: 640px) {
  .hero__sub { white-space: normal; line-height: 2; }
  .advantages__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .hero__actions .btn { width: 100%; }
  .about__stats { gap: 20px; }
  .contacts__map, .contacts__map iframe { min-height: 320px; }
    .stat:nth-child(4)::before {
    transform: rotate(94deg);
    top: -10px;
    left: -20px;
}
}