@import url("../fonts/fonts.css");

/* ============================================================
   АЛЬФА МАШИНЕРИ — дизайн-система по брендбуку
   Графит #1a1a1a · Альфа Грин #39ff14 · Белый #ffffff
   Геометрия: диагонали 30°, гексагональная текстура
   ============================================================ */

:root {
  --graphite: #1a1a1a;
  --graphite-deep: #101010;
  --panel: #232323;
  --panel-2: #2b2b2b;
  --panel-3: #343434;
  --line: #3a3a3a;
  --alpha-green: #39ff14;
  --alpha-green-deep: #2bc70e;
  --alpha-green-dim: rgba(57, 255, 20, 0.12);
  --white: #ffffff;
  --silver: #b8bcc0;
  --muted: #8a8f94;

  --font-display: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --shell: 1280px;
  --gutter: 24px;
  --header-h: 84px;

  --shear: 14px; /* горизонтальный катет среза; при высоте 24px даёт ~30° */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--graphite);
  color: var(--silver);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
  text-transform: uppercase;
  /* «Электрооборудование» и подобные не должны вылезать за карточку. */
  overflow-wrap: break-word;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
}
h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
}
h3 {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
}
h4 {
  font-size: 1.05rem;
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.2em;
}

li {
  margin-bottom: 0.4em;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --- Каркас ------------------------------------------------ */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: clamp(56px, 8vw, 104px) 0;
  position: relative;
}

.section--panel {
  background: var(--panel);
}

.section--deep {
  background: var(--graphite-deep);
}

.section__head {
  margin-bottom: clamp(32px, 5vw, 56px);
  max-width: 780px;
}

.section__head p {
  color: var(--muted);
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--alpha-green);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  background: var(--alpha-green);
  transform: skewX(-30deg);
}

/* Гексагональная текстура из брендбука */
.hex-bg {
  position: relative;
  isolation: isolate;
}

.hex-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'%3E%3Cpath d='M28 0 56 16v32L28 64 0 48V16z' fill='none' stroke='%23ffffff' stroke-opacity='.05'/%3E%3Cpath d='M28 64 56 80v32L28 128 0 112V80z' fill='none' stroke='%23ffffff' stroke-opacity='.05'/%3E%3C/svg%3E");
}

/* Диагональный зелёный акцент 30° */
.diag-accent {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--alpha-green);
  transform: skewX(-30deg);
  box-shadow: 0 0 24px rgba(57, 255, 20, 0.55);
  pointer-events: none;
}

/* --- Кнопки ------------------------------------------------ */

.btn {
  --btn-bg: var(--alpha-green);
  --btn-fg: var(--graphite);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 0;
  cursor: pointer;
  clip-path: polygon(var(--shear) 0, 100% 0, calc(100% - var(--shear)) 100%, 0 100%);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  background: #4dff2e;
}

.btn:active {
  transform: translateY(0);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--white);
  box-shadow: inset 0 0 0 2px var(--line);
}

.btn--ghost:hover {
  --btn-fg: var(--graphite);
  background: var(--alpha-green);
  box-shadow: none;
}

.btn--dark {
  --btn-bg: var(--panel-2);
  --btn-fg: var(--white);
}

.btn--dark:hover {
  background: var(--panel-3);
}

.btn--wide {
  width: 100%;
}

.btn--small {
  padding: 11px 18px;
  font-size: 0.76rem;
}

.btn[disabled] {
  opacity: 0.55;
  pointer-events: none;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--alpha-green);
}

.link-arrow::after {
  content: "";
  width: 18px;
  height: 8px;
  background: currentColor;
  clip-path: polygon(0 3px, 11px 3px, 11px 0, 18px 4px, 11px 8px, 11px 5px, 0 5px);
  transition: transform 0.2s var(--ease);
}

.link-arrow:hover::after {
  transform: translateX(5px);
}

/* --- Шапка ------------------------------------------------- */

.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(16, 16, 16, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.header__bar {
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--header-h);
}

.header__logo img {
  height: 46px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--silver);
  background: none;
  border: 0;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.nav__link:hover,
.nav__link[aria-expanded="true"] {
  color: var(--alpha-green);
}

.nav__link.is-current {
  color: var(--white);
}

.nav__link.is-current::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 3px;
  background: var(--alpha-green);
  transform: skewX(-30deg);
}

.nav__caret {
  width: 8px;
  height: 5px;
  background: currentColor;
  clip-path: polygon(0 0, 8px 0, 4px 5px);
  transition: transform 0.2s var(--ease);
}

.nav__link[aria-expanded="true"] .nav__caret {
  transform: rotate(180deg);
}

.header__contact {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.25;
}

.header__phone {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--white);
  white-space: nowrap;
}

.header__phone:hover {
  color: var(--alpha-green);
}

.header__hours {
  font-size: 0.74rem;
  color: var(--muted);
}

.burger {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--panel-2);
  border: 0;
  cursor: pointer;
  position: relative;
}

.burger span,
.burger::before,
.burger::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--white);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.burger::before {
  top: 15px;
}
.burger span {
  top: 21px;
}
.burger::after {
  top: 27px;
}

.burger[aria-expanded="true"]::before {
  transform: translateY(6px) rotate(45deg);
}
.burger[aria-expanded="true"] span {
  opacity: 0;
}
.burger[aria-expanded="true"]::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Мега-меню каталога */

.megamenu {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--panel);
  border-bottom: 3px solid var(--alpha-green);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
  padding: 32px 0 36px;
  display: none;
}

.megamenu.is-open {
  display: block;
}

.megamenu__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 26px 32px;
}

.megamenu__brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--alpha-green);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.megamenu__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.megamenu__list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  font-size: 0.92rem;
  color: var(--silver);
  transition: color 0.15s var(--ease), padding-left 0.15s var(--ease);
}

.megamenu__list a:hover {
  color: var(--alpha-green);
  padding-left: 6px;
}

.megamenu__count {
  color: var(--muted);
  font-size: 0.8rem;
}

/* --- Герой ------------------------------------------------- */

.hero {
  position: relative;
  background: var(--graphite-deep);
  overflow: hidden;
  padding: clamp(56px, 8vw, 96px) 0 clamp(56px, 8vw, 88px);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 4rem);
  font-weight: 800;
}

.hero h1 em {
  font-style: normal;
  color: var(--alpha-green);
}

.hero__lead {
  font-size: 1.12rem;
  color: var(--silver);
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero__media {
  position: relative;
}

.hero__media img {
  width: 100%;
  clip-path: polygon(28px 0, 100% 0, calc(100% - 28px) 100%, 0 100%);
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--panel-2);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.badge--green {
  background: var(--alpha-green);
  color: var(--graphite);
}

.badge--outline {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--silver);
}

/* --- Полоса преимуществ ------------------------------------ */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
}

.stats__item {
  background: var(--graphite);
  padding: 26px 24px;
}

.stats__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--alpha-green);
  line-height: 1;
}

.stats__label {
  margin-top: 8px;
  font-size: 0.88rem;
  color: var(--muted);
}

/* --- Сетки и карточки -------------------------------------- */

.grid {
  display: grid;
  gap: 20px;
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 26px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.card:hover {
  border-color: var(--alpha-green);
  transform: translateY(-3px);
}

.card h3 {
  margin-bottom: 0.4em;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.card__icon {
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  color: var(--alpha-green);
}

.card__icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Карточка модели техники */

.machine-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.machine-card:hover {
  border-color: var(--alpha-green);
  transform: translateY(-3px);
}

.machine-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--graphite-deep);
  overflow: hidden;
}

/* Студийные снимки на белом фоне: даём им светлую подложку, иначе на графите
   получается белый прямоугольник. */
.is-cutout {
  background: linear-gradient(160deg, #f4f6f8, #d9dde1);
}

.machine-card__media.is-cutout img,
.gallery__main.is-cutout img,
.gallery__thumb.is-cutout img {
  object-fit: contain;
  padding: 6%;
  opacity: 1;
}

.machine-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}

.machine-card:hover .machine-card__media img {
  transform: scale(1.05);
}

.machine-card__brand {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite);
  background: var(--alpha-green);
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.machine-card__body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.machine-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--white);
  text-transform: uppercase;
  margin: 0 0 4px;
}

.machine-card__cat {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.machine-card__specs {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.machine-card__specs li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.86rem;
  margin: 0;
}

.machine-card__specs span:first-child {
  color: var(--muted);
}

.machine-card__specs strong {
  color: var(--white);
  font-weight: 600;
  text-align: right;
}

.machine-card .link-arrow {
  margin-top: auto;
}

/* Плитка категории */

.cat-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 220px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.cat-tile:hover {
  border-color: var(--alpha-green);
  transform: translateY(-3px);
}

.cat-tile__img {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cat-tile__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  transition: transform 0.5s var(--ease), opacity 0.3s var(--ease);
}

.cat-tile:hover .cat-tile__img img {
  transform: scale(1.06);
  opacity: 0.55;
}

.cat-tile__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(16, 16, 16, 0.96) 12%, rgba(16, 16, 16, 0.25) 70%);
}

.cat-tile__body {
  position: relative;
  z-index: 1;
}

.cat-tile__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--white);
  text-transform: uppercase;
  margin: 0 0 6px;
}

.cat-tile__meta {
  font-size: 0.84rem;
  color: var(--muted);
}

/* --- Хлебные крошки ---------------------------------------- */

.breadcrumbs {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  background: var(--graphite-deep);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.breadcrumbs li {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--line);
  transform: skewX(-30deg);
}

.breadcrumbs a:hover {
  color: var(--alpha-green);
}

.breadcrumbs [aria-current] {
  color: var(--silver);
}

/* --- Страница модели --------------------------------------- */

.product {
  padding: clamp(32px, 5vw, 56px) 0 clamp(48px, 6vw, 72px);
}

.product__top {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.product__title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  margin-bottom: 10px;
}

.product__sub {
  color: var(--muted);
  margin-bottom: 22px;
}

.gallery__main {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--graphite-deep);
  border: 1px solid var(--line);
  overflow: hidden;
}

.gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: zoom-in;
}

.gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.gallery__thumb {
  aspect-ratio: 4 / 3;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--graphite-deep);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.15s var(--ease);
}

.gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
  transition: opacity 0.15s var(--ease);
}

.gallery__thumb[aria-current="true"] {
  border-color: var(--alpha-green);
}

.gallery__thumb:hover img,
.gallery__thumb[aria-current="true"] img {
  opacity: 1;
}

.gallery__empty {
  display: grid;
  place-items: center;
  height: 100%;
  color: var(--muted);
  font-size: 0.9rem;
}

.keyspecs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 26px;
}

.keyspecs__item {
  background: var(--panel);
  padding: 18px 20px;
}


.keyspecs__label {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.keyspecs__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--white);
  line-height: 1.1;
}

.keyspecs__value span {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--alpha-green);
  margin-left: 4px;
}

.product__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.product__note {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  background: var(--alpha-green-dim);
  border-left: 3px solid var(--alpha-green);
  font-size: 0.9rem;
  color: var(--silver);
}

/* Табы */

.tabs {
  margin-top: clamp(40px, 6vw, 72px);
}

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}

.tabs__btn {
  padding: 14px 24px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 0;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}

.tabs__btn:hover {
  color: var(--white);
}

.tabs__btn[aria-selected="true"] {
  color: var(--white);
  border-bottom-color: var(--alpha-green);
}

.tabs__panel[hidden] {
  display: none;
}

.prose {
  max-width: 78ch;
}

.prose h3 {
  margin-top: 1.6em;
}

.prose h3:first-child {
  margin-top: 0;
}

.prose h2 {
  margin-top: 1.8em;
  margin-bottom: 0.55em;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose li::marker {
  color: var(--alpha-green);
}

/* Таблица характеристик */

.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 520px;
}

.spec-table th,
.spec-table td {
  padding: 12px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.spec-table tbody tr:nth-child(odd) td {
  background: rgba(255, 255, 255, 0.02);
}

.spec-table td:first-child {
  color: var(--silver);
  width: 52%;
}

.spec-table td:nth-child(2) {
  color: var(--muted);
  white-space: nowrap;
  width: 14%;
}

.spec-table td:last-child {
  color: var(--white);
  font-weight: 600;
}

.spec-table .spec-group th {
  background: var(--panel-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--alpha-green);
}

/* --- Фильтры каталога -------------------------------------- */

.catalog-layout {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.filters {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 22px;
}

.filters__group + .filters__group {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.filters__legend {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 12px;
}

.filters label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  font-size: 0.9rem;
  cursor: pointer;
}

.filters input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--alpha-green);
  flex: none;
}

.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.catalog-toolbar__count {
  font-size: 0.9rem;
  color: var(--muted);
  margin-right: auto;
}

.select {
  padding: 10px 14px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--white);
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.catalog-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
}

.machine-card.is-hidden {
  display: none;
}

/* --- Формы ------------------------------------------------- */

.form {
  display: grid;
  gap: 16px;
}

.form__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.field label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 7px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--white);
  background: var(--graphite-deep);
  border: 1px solid var(--line);
  transition: border-color 0.15s var(--ease);
}

.field input::placeholder,
.field textarea::placeholder {
  color: #5f6469;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--alpha-green);
  outline: none;
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #ff4d4d;
}

.field__error {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  color: #ff6b6b;
}

.field__error:empty {
  display: none;
}

.form__consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--muted);
}

.form__consent input {
  width: 17px;
  height: 17px;
  margin-top: 2px;
  accent-color: var(--alpha-green);
  flex: none;
}

.form__status {
  padding: 14px 18px;
  font-size: 0.9rem;
  border-left: 3px solid var(--alpha-green);
  background: var(--alpha-green-dim);
}

.form__status[hidden] {
  display: none;
}

.form__status--error {
  border-left-color: #ff6b6b;
  background: rgba(255, 107, 107, 0.1);
}

.form__status a {
  color: var(--alpha-green);
  text-decoration: underline;
}

.cta {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(28px, 4vw, 44px);
}

.cta__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

/* --- Контакты ---------------------------------------------- */

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-list li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  margin: 0;
}

.contact-list__label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 3px;
}

.contact-list__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--white);
}

a.contact-list__value:hover {
  color: var(--alpha-green);
}

/* --- Аккордеон --------------------------------------------- */

.accordion__item {
  border: 1px solid var(--line);
  background: var(--panel);
}

.accordion__item + .accordion__item {
  margin-top: 10px;
}

.accordion__btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 18px 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  text-align: left;
  color: var(--white);
  background: none;
  border: 0;
  cursor: pointer;
}

.accordion__icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
  background: var(--alpha-green);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.accordion__btn[aria-expanded="false"] .accordion__icon::after {
  transform: rotate(90deg);
}

.accordion__btn[aria-expanded="true"] .accordion__icon::after {
  opacity: 0;
}

.accordion__panel {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 0.94rem;
}

.accordion__panel[hidden] {
  display: none;
}

/* --- Лайтбокс ---------------------------------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 32px;
  background: rgba(0, 0, 0, 0.97);
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: 100%;
  max-height: 88vh;
  object-fit: contain;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  color: var(--white);
  background: var(--panel-2);
  border: 0;
  cursor: pointer;
}

.lightbox__close {
  top: 20px;
  right: 20px;
}

.lightbox__nav--prev {
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__nav--next {
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__close:hover,
.lightbox__nav:hover {
  background: var(--alpha-green);
  color: var(--graphite);
}

/* --- Cookie-уведомление ----------------------------------- */

.cookie-banner {
  position: fixed;
  left: max(16px, env(safe-area-inset-left));
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1060px;
  margin: 0 auto;
  padding: 18px 20px;
  color: var(--white);
  background: rgba(18, 18, 18, 0.96);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.cookie-banner__text {
  display: grid;
  gap: 6px;
  max-width: 720px;
}

.cookie-banner__text strong {
  font-family: var(--font-display);
  font-size: 1rem;
}

.cookie-banner__text p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.cookie-banner__text a {
  color: var(--alpha-green);
  font-weight: 700;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

/* --- Подвал ------------------------------------------------ */

.footer {
  background: var(--graphite-deep);
  border-top: 3px solid var(--alpha-green);
  padding: clamp(44px, 6vw, 68px) 0 28px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer__logo img {
  height: 44px;
  width: auto;
  margin-bottom: 16px;
}

.footer__about {
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 34ch;
}

.footer__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 14px;
}

.footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__list li {
  margin-bottom: 8px;
}

.footer__list a {
  font-size: 0.9rem;
  color: var(--muted);
  transition: color 0.15s var(--ease);
}

.footer__list a:hover {
  color: var(--alpha-green);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--muted);
}

.footer__bottom p {
  margin: 0;
}

.footer__disclaimer {
  flex-basis: 100%;
  color: #6a6f74;
  font-size: 0.76rem;
}

/* --- Адаптив ----------------------------------------------- */

@media (max-width: 1080px) {
  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .filters {
    position: static;
  }

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

@media (max-width: 900px) {
  :root {
    --header-h: 68px;
  }

  .burger {
    display: block;
    margin-left: auto;
  }

  .header__contact {
    display: none;
  }

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 12px 0 20px;
    background: var(--panel);
    border-bottom: 3px solid var(--alpha-green);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .nav.is-open {
    display: flex;
  }

  .nav__link {
    justify-content: space-between;
    padding: 14px var(--gutter);
    font-size: 0.92rem;
  }

  .nav__link.is-current::after {
    display: none;
  }

  .megamenu {
    position: static;
    display: none;
    padding: 4px var(--gutter) 16px;
    border: 0;
    box-shadow: none;
  }

  .megamenu .shell {
    padding: 0;
  }

  .megamenu__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero__grid,
  .product__top,
  .cta__grid {
    grid-template-columns: 1fr;
  }

  .hero__media {
    order: -1;
  }

  .tabs__list {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .tabs__btn {
    white-space: nowrap;
    padding: 12px 18px;
  }
}

@media (max-width: 640px) {
  :root {
    --gutter: 16px;
  }

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

  /* Нечётный последний параметр не должен оставлять пустую ячейку. */
  .keyspecs__item:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

  body {
    font-size: 15px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .btn {
    width: 100%;
  }

  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
  }

  .cookie-banner__actions {
    justify-content: stretch;
  }

  .cookie-banner__actions .btn {
    flex: 1 1 100%;
  }

  .product__actions .btn,
  .hero__actions .btn {
    flex: 1 1 100%;
  }

  .lightbox__nav {
    width: 40px;
    height: 40px;
  }

  .lightbox__nav--prev {
    left: 6px;
  }

  .lightbox__nav--next {
    right: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  .header,
  .footer,
  .filters,
  .product__actions,
  .cta,
  .cookie-banner {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }
}