:root {
  --ink: #171b1f;
  --muted: #687077;
  --paper: #f5f6f2;
  --panel: #ffffff;
  --line: #d9dedb;
  --night: #070f11;
  --red: #c62835;
  --teal: #00858a;
  --gold: #daa23a;
  --shadow: 0 22px 70px rgba(9, 16, 18, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.site-header {
  align-items: center;
  background: rgba(7, 15, 17, 0.86);
  backdrop-filter: blur(16px);
  color: #fff;
  display: flex;
  gap: 28px;
  height: 76px;
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(20px, 4vw, 64px);
  position: fixed;
  right: 0;
  top: 0;
  transition: background 180ms ease, box-shadow 180ms ease;
  z-index: 20;
}

.site-header.is-scrolled {
  background: rgba(7, 15, 17, 0.96);
  box-shadow: 0 14px 50px rgba(0, 0, 0, 0.22);
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  border: 2px solid var(--red);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
  padding: 9px 8px;
}

.brand-copy {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.main-nav {
  align-items: center;
  display: flex;
  flex: 1;
  gap: clamp(14px, 2.4vw, 32px);
  justify-content: center;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 700;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: #fff;
}

.header-cta,
.btn {
  align-items: center;
  border: 1px solid transparent;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 44px;
}

.header-cta {
  background: var(--red);
  color: #fff;
  font-size: 14px;
  padding: 0 18px;
}

.btn {
  font-size: 15px;
  padding: 13px 22px;
}

.btn.primary {
  background: var(--red);
  color: #fff;
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.32);
  color: #fff;
}

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

.hero {
  min-height: 94vh;
  overflow: hidden;
  padding: 150px clamp(20px, 5vw, 70px) 72px;
  position: relative;
}

.hero-bg,
.hero-shade {
  inset: 0;
  position: absolute;
}

.hero-bg {
  background: url("assets/scene-mud.jpg") center / cover no-repeat;
  filter: saturate(0.86) contrast(1.06);
  transform: scale(1.04);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(3, 8, 9, 0.94) 0%, rgba(5, 10, 11, 0.82) 44%, rgba(5, 10, 11, 0.22) 100%),
    linear-gradient(0deg, rgba(7, 15, 17, 0.84) 0%, rgba(7, 15, 17, 0.18) 42%, rgba(7, 15, 17, 0.72) 100%);
}

.hero-content {
  color: #fff;
  max-width: 720px;
  position: relative;
  z-index: 2;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(46px, 7.4vw, 92px);
  line-height: 0.96;
  margin-bottom: 24px;
  max-width: 900px;
}

.hero-lede {
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.42;
  max-width: 660px;
}

.hero-actions,
.contact-options {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-stats {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 48px;
  max-width: 760px;
}

.hero-stats div {
  border-left: 4px solid var(--red);
  padding: 4px 16px 5px;
}

.hero-stats strong {
  display: block;
  font-size: clamp(20px, 2.8vw, 30px);
}

.hero-stats span {
  color: rgba(255, 255, 255, 0.72);
  display: block;
  font-size: 14px;
  margin-top: 5px;
}

.hero-product {
  bottom: 7vh;
  filter: drop-shadow(0 34px 52px rgba(0, 0, 0, 0.46));
  max-width: min(40vw, 560px);
  position: absolute;
  right: clamp(20px, 5vw, 76px);
  z-index: 2;
}

.category-band {
  align-items: center;
  background: #fff;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.category-band a {
  align-items: center;
  border-right: 1px solid var(--line);
  display: flex;
  font-size: 14px;
  font-weight: 900;
  justify-content: center;
  min-height: 78px;
  padding: 16px;
  text-align: center;
  text-transform: uppercase;
}

.category-band a:hover,
.category-band a:focus-visible {
  background: var(--red);
  color: #fff;
}

.section {
  padding: 90px clamp(20px, 5vw, 70px);
}

.section-heading {
  margin-bottom: 36px;
  max-width: 840px;
}

.section-heading h2,
.inquiry-copy h2 {
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1;
  margin-bottom: 18px;
}

.section-heading p:not(.eyebrow),
.inquiry-copy p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.58;
}

.split-feature {
  align-items: stretch;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(330px, 0.95fr) minmax(360px, 1.05fr);
}

.feature-media {
  align-items: center;
  background:
    linear-gradient(145deg, rgba(0, 133, 138, 0.22), rgba(198, 40, 53, 0.14)),
    #0d1517;
  display: flex;
  min-height: 430px;
  overflow: hidden;
  padding: 42px;
}

.feature-media img {
  filter: drop-shadow(0 34px 50px rgba(0, 0, 0, 0.42));
  margin: auto;
}

.feature-copy {
  background: #fff;
  border: 1px solid var(--line);
  padding: clamp(26px, 4vw, 42px);
}

.spec-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.spec-grid div {
  background: #f3f5f2;
  border-left: 4px solid var(--teal);
  padding: 16px;
}

.spec-grid span {
  color: var(--muted);
  display: block;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.spec-grid strong {
  display: block;
  font-size: 18px;
  margin-top: 8px;
}

.check-list {
  border-top: 1px solid var(--line);
  color: var(--muted);
  line-height: 1.5;
  margin: 28px 0 0;
  padding: 22px 0 0 20px;
}

.check-list li + li {
  margin-top: 9px;
}

.dark-section {
  background:
    linear-gradient(135deg, rgba(198, 40, 53, 0.16), transparent 34%),
    linear-gradient(315deg, rgba(0, 133, 138, 0.2), transparent 36%),
    var(--night);
  color: #fff;
}

.dark-section .section-heading p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
}

.bundle-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bundle-card {
  background: #fff;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
}

.bundle-image {
  align-items: center;
  background: #f2f4f1;
  display: grid;
  min-height: 260px;
  padding: 24px;
}

.bundle-image.pair {
  grid-template-columns: 1.12fr 0.88fr;
}

.bundle-image.trio {
  grid-template-columns: 1.18fr 0.82fr;
}

.bundle-image.trio img:nth-child(3) {
  grid-column: 2;
}

.bundle-image img {
  filter: drop-shadow(0 20px 26px rgba(0, 0, 0, 0.18));
  margin: auto;
  max-height: 170px;
  object-fit: contain;
}

.bundle-image img:first-child {
  max-height: 210px;
}

.bundle-copy {
  border-top: 5px solid var(--red);
  padding: 26px;
}

.bundle-card:nth-child(2) .bundle-copy {
  border-top-color: var(--teal);
}

.bundle-card:nth-child(3) .bundle-copy {
  border-top-color: var(--gold);
}

.bundle-kicker {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.bundle-copy h3,
.product-card h3,
.scene-grid h3 {
  font-size: 24px;
  line-height: 1.12;
  margin-bottom: 12px;
}

.bundle-copy p,
.product-card p,
.scene-grid p {
  color: var(--muted);
  line-height: 1.48;
}

.bundle-copy ul {
  color: var(--ink);
  line-height: 1.45;
  margin: 18px 0 0;
  padding-left: 20px;
}

.accessories {
  background: #fff;
}

.product-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.product-card {
  background: var(--paper);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 365px;
  padding: 22px;
}

.product-card img {
  align-self: center;
  height: 128px;
  margin: 6px 0 24px;
  object-fit: contain;
}

.product-card span {
  color: var(--red);
  display: block;
  font-size: 13px;
  font-weight: 900;
  margin-top: auto;
  text-transform: uppercase;
}

.applications {
  background: #eef1ed;
}

.scene-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.scene-grid article {
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.scene-grid img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.scene-grid div {
  padding: 26px;
}

.comparison {
  background: #fff;
}

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

table {
  border-collapse: collapse;
  min-width: 850px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 20px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--night);
  color: #fff;
  font-size: 13px;
  text-transform: uppercase;
}

td {
  color: var(--muted);
  line-height: 1.42;
}

td:first-child {
  color: var(--ink);
  font-weight: 900;
}

.inquiry {
  align-items: start;
  background:
    linear-gradient(135deg, rgba(7, 15, 17, 0.94), rgba(7, 15, 17, 0.78)),
    url("assets/scene-tow.jpg") center / cover no-repeat;
  color: #fff;
  display: grid;
  gap: 40px;
  grid-template-columns: minmax(300px, 0.9fr) minmax(360px, 0.7fr);
}

.inquiry-copy p {
  color: rgba(255, 255, 255, 0.74);
}

.quote-form {
  background: #fff;
  box-shadow: var(--shadow);
  color: var(--ink);
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 36px);
}

.quote-form label {
  color: var(--ink);
  display: grid;
  font-size: 13px;
  font-weight: 900;
  gap: 8px;
  text-transform: uppercase;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  border: 1px solid var(--line);
  color: var(--ink);
  font: inherit;
  min-height: 46px;
  padding: 12px 13px;
  resize: vertical;
}

.quote-output {
  background: #f3f5f2;
  color: var(--muted);
  display: none;
  line-height: 1.46;
  padding: 16px;
  white-space: pre-wrap;
}

.quote-output.is-visible {
  display: block;
}

.site-footer {
  align-items: center;
  background: var(--night);
  color: rgba(255, 255, 255, 0.68);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding: 28px clamp(20px, 5vw, 70px);
}

.site-footer span:first-child {
  color: #fff;
  font-weight: 900;
  text-transform: uppercase;
}

@media (max-width: 1080px) {
  .main-nav {
    display: none;
  }

  .hero-product {
    bottom: 34px;
    max-width: 46vw;
    opacity: 0.9;
  }

  .bundle-grid,
  .scene-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .site-header {
    gap: 12px;
    height: 68px;
  }

  .brand-copy {
    display: none;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 13px;
  }

  .hero {
    min-height: 92vh;
    padding: 116px 20px 36px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(5, 10, 11, 0.96) 0%, rgba(5, 10, 11, 0.84) 55%, rgba(5, 10, 11, 0.58) 100%),
      linear-gradient(0deg, rgba(7, 15, 17, 0.74), rgba(7, 15, 17, 0.14));
  }

  .hero-actions {
    margin-top: 22px;
  }

  .hero-product {
    bottom: 96px;
    max-width: 72vw;
    opacity: 0.42;
    right: -28px;
  }

  .hero-stats {
    gap: 18px;
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .category-band {
    grid-template-columns: 1fr;
  }

  .category-band a {
    border-bottom: 1px solid var(--line);
    border-right: 0;
    min-height: 56px;
  }

  .section {
    padding: 62px 20px;
  }

  .split-feature,
  .inquiry {
    grid-template-columns: 1fr;
  }

  .feature-media {
    min-height: 290px;
    padding: 24px;
  }

  .spec-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    min-height: 0;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}
