:root {
  --ink: #151515;
  --muted: #66615a;
  --paper: #f7f6f2;
  --panel: #ffffff;
  --line: #dedad1;
  --dark: #111111;
  --dark-soft: #202020;
  --accent: #c8482e;
  --accent-dark: #9f321e;
  --teal: #0a6b69;
  --gold: #c7922b;
  --shadow: 0 16px 42px rgba(16, 16, 16, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0;
  overflow-x: hidden;
}

img,
video {
  max-width: 100%;
  display: block;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 14px clamp(18px, 4vw, 54px);
  color: #fff;
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 2px solid currentColor;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
  white-space: nowrap;
}

.brand small {
  color: currentColor;
  opacity: 0.74;
  font-size: 12px;
  margin-top: 3px;
}

.nav {
  justify-self: end;
  display: flex;
  gap: 24px;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  opacity: 0.84;
}

.nav a:hover {
  opacity: 1;
}

.header-cta {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-weight: 800;
}

.direct-whatsapp {
  margin-top: 24px;
}

.contact-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.contact-tools a,
.contact-tools button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
}

.contact-number {
  margin: 14px 0 0;
  color: var(--ink);
  font-weight: 900;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #111;
  color: #fff;
}

.hero-video,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-video {
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.44) 45%, rgba(0, 0, 0, 0.15)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0.08) 48%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(790px, calc(100% - 36px));
  margin-left: clamp(18px, 6vw, 82px);
  margin-bottom: 138px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(40px, 7vw, 86px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  margin: 22px 0 0;
  max-width: 680px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
  line-height: 1.48;
}

.hero-actions,
.section-head,
.filters {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 900;
  cursor: pointer;
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-primary:hover {
  background: var(--accent-dark);
}

.button-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.08);
}

.button-light {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
}

.hero-facts {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(10px);
}

.hero-facts span {
  min-height: 82px;
  display: grid;
  place-items: center;
  padding: 14px;
  text-align: center;
  font-weight: 900;
  line-height: 1.35;
  overflow-wrap: anywhere;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.band {
  background: #fff;
}

.intro {
  padding: 44px clamp(18px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.intro-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(280px, 0.96fr);
  gap: 48px;
  align-items: end;
}

.intro h2,
.section h2 {
  margin: 0;
  font-size: 38px;
  line-height: 1.08;
  letter-spacing: 0;
}

.intro p:last-child,
.split-copy p,
.contact-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 17px;
}

.section {
  padding: 76px clamp(18px, 5vw, 72px);
}

.section-head {
  max-width: 1180px;
  margin: 0 auto 34px;
  justify-content: space-between;
  align-items: end;
}

.section-head h2 {
  max-width: 760px;
}

.filters {
  justify-content: flex-end;
}

.catalog-search {
  width: min(100%, 430px);
}

.search-input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 14px;
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  outline: none;
}

.search-input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(10, 107, 105, 0.14);
}

.catalog-stats {
  max-width: 1180px;
  margin: 0 auto 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.summary-stat {
  min-height: 92px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.summary-stat strong {
  font-size: 28px;
  line-height: 1;
}

.summary-stat span {
  color: var(--muted);
  font-weight: 800;
}

.filters[data-category-filters] {
  max-width: 1180px;
  margin: 0 auto 24px;
  justify-content: flex-start;
}

.filter-button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  cursor: pointer;
  font-weight: 800;
}

.filter-button.is-active {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}

.product-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
}

.product-card[hidden] {
  display: none;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #e8e5dd;
}

.product-body {
  padding: 18px;
}

.product-body p,
.video-card p {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.product-body h3,
.video-card h3,
.download-panel h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.18;
  letter-spacing: 0;
}

.model-badge {
  display: inline-flex;
  margin-top: 12px;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border-radius: 6px;
  background: #eee8dd;
  color: #342d25;
  font-size: 13px;
  font-weight: 900;
}

.spec-list {
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  list-style: none;
}

.spec-list li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
  font-weight: 700;
}

.catalog-more {
  max-width: 1180px;
  margin: 28px auto 0;
  display: flex;
  justify-content: center;
}

.empty-state {
  max-width: 1180px;
  margin: 26px auto 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  text-align: center;
  font-weight: 800;
}

dl {
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
}

dl div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 10px;
  align-items: baseline;
}

dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

dd {
  margin: 0;
  font-weight: 800;
}

.dark {
  background: var(--dark);
  color: #fff;
}

.dark .section-kicker {
  color: #f2b84b;
}

.video-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.video-card {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  overflow: hidden;
  background: var(--dark-soft);
}

.video-card.large {
  grid-row: span 3;
}

.video-card video {
  width: 100%;
  height: 260px;
  object-fit: cover;
  background: #000;
}

.video-card.large video {
  height: 680px;
}

.video-card div {
  padding: 16px;
}

.video-card h3 {
  color: #fff;
}

.split {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 46px;
  align-items: start;
}

.split-copy h2,
.contact-copy h2 {
  margin: 0 0 18px;
  font-size: 40px;
  line-height: 1.08;
}

.check-list {
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  font-weight: 800;
  line-height: 1.45;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px #fff;
  border: 1px solid var(--accent);
}

.download-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.download-panel a {
  display: flex;
  min-height: 50px;
  align-items: center;
  padding: 0 14px;
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfaf7;
  font-weight: 900;
}

.download-panel a:hover {
  border-color: var(--accent);
}

.download-panel p {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.contact-section {
  background: #fff;
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(0, 620px);
  gap: 54px;
  justify-content: center;
  align-items: start;
  border-top: 1px solid var(--line);
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid #cfc9be;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 12px 13px;
  outline: none;
  min-height: 46px;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 700;
}

.inquiry-form textarea {
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(10, 107, 105, 0.16);
}

.full {
  grid-column: 1 / -1;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(18px, 5vw, 72px);
  background: var(--dark);
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 6px;
  background: #128c7e;
  color: #fff;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.floating-whatsapp:hover {
  background: #0f756a;
}

@media (max-width: 940px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .nav {
    display: none;
  }

  .hero-content {
    margin-left: 18px;
    margin-bottom: 126px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .hero-facts,
  .intro-grid,
  .product-grid,
  .catalog-stats,
  .video-grid,
  .split,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .video-card.large {
    grid-row: auto;
  }

  .video-card.large video,
  .video-card video {
    height: min(72vh, 620px);
  }

  .section-head {
    align-items: flex-start;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 10px 14px;
    gap: 12px;
  }

  .brand small,
  .header-cta {
    display: none;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    white-space: normal;
    max-width: 180px;
  }

  .hero {
    min-height: 92vh;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-content {
    width: calc(100% - 28px);
    margin: 0 14px 132px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-facts span {
    min-height: 64px;
    font-size: 13px;
  }

  .section,
  .intro {
    padding: 52px 16px;
  }

  .intro h2,
  .section h2,
  .split-copy h2,
  .contact-copy h2 {
    font-size: 30px;
  }

  .filters {
    justify-content: flex-start;
  }

  .filter-button {
    flex: 1 1 auto;
  }

  .inquiry-form {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .site-footer {
    display: grid;
  }

  .floating-whatsapp {
    left: 14px;
    right: 14px;
    bottom: 14px;
  }
}