:root {
  --ink: #111820;
  --muted: #64707a;
  --paper: #f4f6f7;
  --line: #d7dee4;
  --white: #ffffff;
  --orange: #e85f19;
  --yellow: #f5bd2e;
  --green: #0f7568;
  --steel: #26333c;
  --dark: #0a1117;
  --graphite: #18222a;
  --shadow: 0 28px 70px rgba(10, 17, 23, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #fbfcfc;
  line-height: 1.58;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(250px, 1fr) auto minmax(120px, 1fr);
  align-items: center;
  gap: 24px;
  min-height: 74px;
  padding: 14px clamp(20px, 5vw, 64px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 17, 23, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: min(390px, 42vw);
}

.brand-logo {
  width: 46px;
  height: auto;
  flex: 0 0 auto;
}

.brand span {
  min-width: 0;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--white);
  font-size: clamp(14px, 1.55vw, 18px);
  line-height: 1.15;
}

.brand small {
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
}

.main-nav {
  display: flex;
  justify-self: center;
  gap: clamp(18px, 3vw, 40px);
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  font-weight: 800;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  color: var(--white);
  font-weight: 900;
  background: var(--orange);
  border-radius: 6px;
  box-shadow: 0 12px 30px rgba(232, 95, 25, 0.24);
}

.header-cta {
  justify-self: end;
}

.hero {
  position: relative;
  min-height: calc(100vh - 74px);
  overflow: hidden;
  background: var(--dark);
}

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

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

.hero-overlay {
  background:
    radial-gradient(circle at 72% 45%, rgba(245, 189, 46, 0.12), transparent 34%),
    linear-gradient(90deg, rgba(10, 17, 23, 0.76), rgba(10, 17, 23, 0.48) 42%, rgba(10, 17, 23, 0.08)),
    linear-gradient(0deg, rgba(10, 17, 23, 0.34), rgba(10, 17, 23, 0.04));
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  width: min(760px, calc(100% - 40px));
  min-height: calc(100vh - 74px);
  margin-left: clamp(20px, 6vw, 84px);
  padding: 80px 0 118px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow,
.contact-footer .eyebrow {
  color: var(--yellow);
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 1;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 1.06;
}

h3 {
  margin-bottom: 8px;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.1;
}

h4 {
  margin-bottom: 20px;
  color: var(--green);
  font-size: 22px;
}

.hero-content p:not(.eyebrow) {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 2vw, 21px);
}

.hero-products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0;
}

.hero-products a {
  display: grid;
  gap: 8px;
  min-height: 112px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: transform 180ms ease, background 180ms ease;
}

.hero-products a:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.15);
}

.hero-products strong {
  color: var(--white);
  font-size: 16px;
  line-height: 1.2;
}

.hero-products span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.intro,
.products,
.application-band {
  padding: clamp(64px, 8vw, 108px) clamp(20px, 5vw, 72px);
}

.custom-banner {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(280px, 1.14fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  padding: clamp(36px, 5vw, 58px) clamp(20px, 5vw, 72px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(232, 95, 25, 0.95), rgba(245, 189, 46, 0.88)),
    linear-gradient(135deg, #18222a, #0a1117);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: 1px solid rgba(10, 17, 23, 0.12);
}

.custom-banner .eyebrow {
  color: rgba(10, 17, 23, 0.72);
}

.custom-banner h2 {
  max-width: 760px;
  margin-bottom: 0;
  color: #101820;
  font-size: clamp(30px, 3.8vw, 46px);
}

.custom-banner p:last-child {
  margin-bottom: 0;
  color: rgba(10, 17, 23, 0.78);
  font-size: 19px;
  font-weight: 700;
}

.intro {
  background:
    linear-gradient(180deg, #ffffff, #f7f9fa);
  border-bottom: 1px solid var(--line);
}

.intro h2 {
  width: min(980px, 100%);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 5vw, 72px);
  color: var(--muted);
  font-size: 18px;
}

.company-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.company-points div {
  display: grid;
  gap: 8px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--orange);
  border-radius: 8px;
  box-shadow: 0 16px 36px rgba(10, 17, 23, 0.06);
}

.company-points strong {
  color: var(--steel);
  font-size: 16px;
}

.company-points span {
  color: var(--muted);
  font-size: 15px;
  font-weight: 650;
}

.section-heading {
  width: min(900px, 100%);
  margin-bottom: 36px;
}

.products {
  background: #fbfcfc;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: center;
  padding: clamp(34px, 5vw, 58px);
  margin-top: 22px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(10, 17, 23, 0.07);
}

.product-detail.reverse .product-gallery {
  order: 2;
}

.product-gallery {
  display: grid;
  gap: 14px;
  width: 100%;
}

.product-wide-img,
.thumb-row img {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(10, 17, 23, 0.12);
}

.product-wide-img {
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.thumb-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.thumb-row img {
  aspect-ratio: 1.35 / 1;
}

.spec-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.spec-cards span {
  display: grid;
  min-height: 74px;
  align-items: center;
  padding: 18px;
  color: var(--steel);
  font-weight: 900;
  background: linear-gradient(180deg, #ffffff, #f4f6f7);
  border: 1px solid var(--line);
  border-left: 5px solid var(--orange);
  border-radius: 8px;
}

.product-copy p {
  color: var(--muted);
  font-size: 17px;
}

.product-copy ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.product-copy li {
  position: relative;
  padding-left: 24px;
  color: var(--steel);
  font-weight: 700;
}

.product-copy li::before {
  position: absolute;
  top: 10px;
  left: 0;
  width: 9px;
  height: 9px;
  content: "";
  background: var(--orange);
  border-radius: 2px;
}

.application-band {
  display: grid;
  grid-template-columns: 1fr 0.86fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(24, 34, 42, 0.98), rgba(10, 17, 23, 0.96)),
    linear-gradient(135deg, #26333c, #0a1117);
}

.application-band .eyebrow {
  color: var(--yellow);
}

.application-band h2 {
  color: var(--white);
}

.application-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  width: 100%;
}

.application-list span {
  padding: 14px 16px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.contact-footer {
  padding: clamp(36px, 4vw, 56px) clamp(36px, 4vw, 56px) 0;
  color: var(--white);
  background:
    radial-gradient(circle at 86% 20%, rgba(245, 189, 46, 0.16), transparent 28%),
    linear-gradient(135deg, #0a1117, #1b2a32);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 0.86fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.footer-main p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-card {
  padding: clamp(22px, 4vw, 34px);
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-card dl {
  display: grid;
  gap: 18px;
  margin: 0 0 24px;
}

.contact-card dt {
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.contact-card dd {
  margin: 4px 0 0;
  color: var(--steel);
  font-weight: 800;
}

.footer-button {
  width: 100%;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  margin-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-company {
  display: grid;
  gap: 6px;
  line-height: 1.35;
}

.footer-company strong {
  color: var(--white);
  font-size: 16px;
}

.footer-company span {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
  font-weight: 700;
}

.footer-bottom a {
  color: var(--yellow);
  font-weight: 900;
  white-space: nowrap;
}

@media (max-width: 940px) {
  .site-header {
    grid-template-columns: minmax(220px, 1fr) auto;
  }

  .main-nav {
    display: none;
  }

  .intro-grid,
  .company-points,
  .custom-banner,
  .product-detail,
  .application-band,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .product-detail.reverse .product-gallery {
    order: 0;
  }

  .product-gallery {
    justify-self: center;
  }
}

@media (max-width: 640px) {
  .brand small,
  .header-cta {
    display: none;
  }

  .brand {
    min-width: 0;
  }

  .brand-logo {
    width: 42px;
  }

  .hero,
  .hero-content {
    min-height: 760px;
  }

  .hero-bg {
    object-position: 62% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(16, 25, 30, 0.78), rgba(16, 25, 30, 0.48)),
      linear-gradient(0deg, rgba(16, 25, 30, 0.36), rgba(16, 25, 30, 0.06));
  }

  .hero-content {
    margin-left: 20px;
  }

  .custom-banner {
    padding: 34px 20px;
  }

  .custom-banner h2 {
    font-size: 30px;
  }

  .product-detail {
    padding: 22px;
  }

  h1 {
    font-size: 42px;
  }

  .thumb-row,
  .hero-products,
  .spec-cards,
  .application-list {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }
}
