:root {
  color-scheme: dark;
  --bg: #070707;
  --bg-soft: #101112;
  --panel: #151719;
  --panel-strong: #1e2124;
  --line: rgba(255, 255, 255, 0.12);
  --text: #f4f2ea;
  --muted: #a6a7a1;
  --yellow: #f4c400;
  --yellow-soft: #ffe166;
  --charcoal: #0c0d0f;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    #070707;
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 72%);
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(7, 7, 7, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 230px;
}

.brand-logo {
  width: 192px;
  height: auto;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: #090909;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  background: var(--yellow);
}

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

.brand strong {
  font-size: 0.98rem;
  line-height: 1.1;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.72rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  color: #d6d4ca;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-links a {
  transition: color 180ms ease;
}

.nav-links a:hover {
  color: var(--yellow);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 800;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.header-cta,
.button.primary {
  color: #090909;
  background: var(--yellow);
}

.button.secondary {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.07);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.hero {
  position: relative;
  display: grid;
  min-height: 96vh;
  align-items: end;
  overflow: hidden;
  padding: 138px clamp(20px, 5vw, 72px) 44px;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -3;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.08);
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0.58) 48%, rgba(0, 0, 0, 0.18)),
    linear-gradient(0deg, #070707 0%, rgba(7, 7, 7, 0.14) 44%, rgba(7, 7, 7, 0.58) 100%);
}

.hero-content {
  width: min(920px, 100%);
}

.eyebrow,
.section-kicker,
.product-type {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--yellow);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before,
.section-kicker::before,
.product-type::before {
  width: 34px;
  height: 2px;
  content: "";
  background: var(--yellow);
}

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

h1 {
  max-width: 860px;
  margin-bottom: 24px;
  font-size: clamp(3.2rem, 8vw, 7.8rem);
  line-height: 0.88;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 760px;
  margin-bottom: 30px;
  color: #d7d4c9;
  font-size: clamp(1.02rem, 1.6vw, 1.25rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 42px;
}

.hero-stats {
  display: grid;
  max-width: 840px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: rgba(13, 14, 15, 0.76);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero-stats article {
  min-height: 112px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.hero-stats article:last-child {
  border-right: 0;
}

.hero-stats strong {
  display: block;
  color: var(--yellow);
  font-size: 2.4rem;
  line-height: 1;
}

.hero-stats span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.intro-band,
.product-section,
.engineering,
.support-band,
.export-section,
.contact-section {
  padding: clamp(64px, 9vw, 118px) clamp(20px, 5vw, 72px);
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.75fr);
  gap: clamp(30px, 7vw, 110px);
  align-items: end;
  background: var(--charcoal);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-band h2,
.section-heading h2,
.engineering h2,
.support-band h2,
.export-copy h2,
.contact-section h2 {
  margin: 14px 0 0;
  font-size: clamp(2.1rem, 5vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: 0;
  text-transform: uppercase;
}

.intro-band p,
.section-heading p,
.support-band p,
.export-copy p,
.contact-section p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.section-heading {
  max-width: 860px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading .section-kicker {
  justify-content: center;
}

.section-heading.align-left {
  margin-right: 0;
  margin-left: 0;
  text-align: left;
}

.section-heading.align-left .section-kicker {
  justify-content: flex-start;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0 0 36px;
}

.filter-button {
  min-height: 40px;
  padding: 0 16px;
  color: #d5d3ca;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 800;
  cursor: pointer;
  background: var(--panel);
  border: 1px solid var(--line);
}

.filter-button.active,
.filter-button:hover {
  color: #090909;
  background: var(--yellow);
  border-color: var(--yellow);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  display: flex;
  min-height: 100%;
  overflow: hidden;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.22);
}

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

.product-card.featured {
  grid-column: span 2;
}

.product-card img {
  width: 100%;
  aspect-ratio: 1.35;
}

.product-card img {
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.product-body h3 {
  margin: 12px 0 10px;
  font-size: 1.75rem;
  letter-spacing: 0;
}

.product-body p {
  min-height: 72px;
  color: var(--muted);
  line-height: 1.65;
}

.product-body dl {
  display: grid;
  gap: 8px;
  margin: 8px 0 20px;
}

.product-body dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.product-body dt {
  color: #888a86;
  font-size: 0.8rem;
}

.product-body dd {
  margin: 0;
  color: #f0efe6;
  font-size: 0.82rem;
  font-weight: 700;
  text-align: right;
}

.product-body a {
  margin-top: auto;
  color: var(--yellow);
  font-size: 0.9rem;
  font-weight: 900;
}

.engineering {
  background:
    linear-gradient(rgba(8, 8, 8, 0.86), rgba(8, 8, 8, 0.92)),
    url("assets/CL%20957.png") center / cover fixed;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.advantage-grid article {
  min-height: 270px;
  padding: 26px;
  background: rgba(18, 20, 22, 0.84);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.advantage-grid span {
  color: var(--yellow);
  font-weight: 900;
}

.advantage-grid h3 {
  margin: 44px 0 14px;
  font-size: 1.35rem;
}

.advantage-grid p {
  color: var(--muted);
  line-height: 1.7;
}

.support-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.7fr);
  gap: clamp(30px, 7vw, 90px);
  align-items: center;
  background: var(--panel-strong);
}

.support-list {
  display: grid;
  gap: 12px;
}

.support-list span {
  padding: 20px 22px;
  color: #ece9df;
  font-weight: 800;
  background: rgba(0, 0, 0, 0.28);
  border-left: 5px solid var(--yellow);
}

.export-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.52fr);
  gap: clamp(30px, 7vw, 90px);
  align-items: center;
}

.market-panel {
  padding: 30px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.market-panel h3 {
  margin-bottom: 18px;
  color: var(--yellow);
  font-size: 1.6rem;
}

.market-panel ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.market-panel li {
  padding-bottom: 14px;
  color: #d4d2c8;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 0.78fr);
  gap: clamp(30px, 7vw, 92px);
  align-items: start;
  background: #090a0b;
  border-top: 1px solid var(--line);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 34px);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #d9d7ce;
  font-size: 0.84rem;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  color: var(--text);
  font: inherit;
  background: #0d0e10;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0;
}

.contact-form input,
.contact-form select {
  height: 48px;
  padding: 0 14px;
}

.contact-form textarea {
  resize: vertical;
  padding: 14px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(244, 196, 0, 0.7);
  outline-offset: 2px;
}

.form-note {
  margin: 0;
  color: #878983;
  font-size: 0.82rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  background: #030303;
  border-top: 1px solid var(--line);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: var(--text);
}

.site-footer a {
  color: var(--yellow);
  font-weight: 900;
}

@media (max-width: 1180px) {
  .product-grid,
  .advantage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .site-header {
    position: sticky;
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    overflow-x: auto;
  }

  .header-cta {
    min-height: 42px;
    padding: 0 14px;
  }

  .hero {
    min-height: 100svh;
    padding-top: 78px;
  }

  .hero-stats,
  .intro-band,
  .support-band,
  .export-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-stats article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-stats article:last-child {
    border-bottom: 0;
  }

  .product-card.featured {
    grid-column: span 1;
  }
}

@media (max-width: 640px) {
  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

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

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

  h1 {
    font-size: clamp(2.7rem, 15vw, 4.4rem);
  }

  .intro-band h2,
  .section-heading h2,
  .engineering h2,
  .support-band h2,
  .export-copy h2,
  .contact-section h2 {
    font-size: clamp(2rem, 10vw, 3.2rem);
  }

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