:root {
  --ink: #151719;
  --muted: #666f78;
  --line: #dde3e8;
  --panel: #f7f4ee;
  --paper: #ffffff;
  --amber: #f7b733;
  --teal: #0f8b8d;
  --green: #4d7c59;
  --rust: #a54f2b;
  --shadow: 0 22px 60px rgba(18, 24, 32, 0.14);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fcfbf8;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(252, 251, 248, 0.88);
  border-bottom: 1px solid rgba(221, 227, 232, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  color: #121212;
  background: linear-gradient(135deg, #ffd36a, #f4a62a 55%, #0f8b8d);
  font-weight: 800;
}

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

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  color: #30363c;
  font-size: 14px;
}

.main-nav a {
  white-space: nowrap;
}

.nav-cta {
  padding: 11px 16px;
  border-radius: 6px;
  background: var(--ink);
  color: white;
  font-weight: 700;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 120px clamp(18px, 4vw, 56px) 58px;
  color: white;
}

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

.hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(11, 13, 14, 0.86) 0%, rgba(11, 13, 14, 0.58) 42%, rgba(11, 13, 14, 0.18) 100%),
    linear-gradient(0deg, rgba(21, 23, 25, 0.6), rgba(21, 23, 25, 0.04) 46%);
}

.hero-content {
  position: relative;
  width: min(720px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffd36a;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 6.4vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
  max-width: 720px;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 590px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 13px 20px;
  border: 0;
  border-radius: 6px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  background: var(--amber);
  color: #15120c;
}

.button.secondary {
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.1);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  width: min(620px, 100%);
  margin: 42px 0 0;
}

.hero-metrics div {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.hero-metrics dt {
  font-size: 28px;
  font-weight: 900;
}

.hero-metrics dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
}

.section {
  padding: 86px clamp(18px, 4vw, 56px);
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--line);
}

.strip-item {
  min-height: 180px;
  padding: 34px;
  background: #fcfbf8;
}

.strip-icon {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--rust);
  font-weight: 900;
}

.strip-item strong {
  display: block;
  font-size: 19px;
}

.strip-item p,
.section-heading p,
.capability p,
.about-card p,
.contact p,
.quality-grid p {
  color: var(--muted);
  line-height: 1.7;
}

.section-split {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.4fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: start;
}

.section-heading {
  max-width: 600px;
}

.section-heading p {
  font-size: 17px;
}

.section-heading.compact {
  max-width: 760px;
  margin-bottom: 28px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  overflow: hidden;
  min-height: 540px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 10px 34px rgba(18, 24, 32, 0.06);
}

.product-image {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: contain;
  padding: 20px;
  background: white;
  border-bottom: 1px solid var(--line);
}

.product-visual {
  position: relative;
  height: 155px;
  overflow: hidden;
  background: #242424;
}

.product-visual::before,
.product-visual::after {
  content: "";
  position: absolute;
}

.visual-downlight {
  background: radial-gradient(circle at 50% 18%, #fff8d2 0 15%, #f4b942 16% 20%, transparent 21%),
    linear-gradient(135deg, #242323, #626766);
}

.visual-downlight::before {
  left: 50%;
  top: 24px;
  width: 92px;
  height: 48px;
  transform: translateX(-50%);
  border-radius: 0 0 80px 80px;
  background: #e9ece8;
  box-shadow: 0 24px 42px rgba(255, 218, 96, 0.45);
}

.visual-linear {
  background: linear-gradient(145deg, #263233, #a7b8aa);
}

.visual-linear::before {
  inset: 50px 28px auto;
  height: 22px;
  border-radius: 3px;
  background: #fff3b1;
  box-shadow: 0 16px 44px rgba(247, 183, 51, 0.55);
}

.visual-panel {
  background: linear-gradient(145deg, #eceeea, #5c6d69);
}

.visual-panel::before {
  left: 42px;
  top: 28px;
  width: 150px;
  height: 88px;
  transform: skew(-16deg);
  border-radius: 5px;
  background: #fff6c7;
  box-shadow: 0 24px 40px rgba(247, 183, 51, 0.45);
}

.visual-track {
  background: linear-gradient(135deg, #202020, #766f61);
}

.visual-track::before {
  left: 24px;
  right: 24px;
  top: 38px;
  height: 8px;
  background: #111;
}

.visual-track::after {
  right: 54px;
  top: 54px;
  width: 66px;
  height: 38px;
  border-radius: 20px 20px 10px 10px;
  background: #f1eee7;
  box-shadow: 0 22px 48px rgba(255, 218, 96, 0.5);
}

.visual-flood {
  background: linear-gradient(145deg, #343434, #8d9a88);
}

.visual-flood::before {
  left: 50%;
  top: 36px;
  width: 112px;
  height: 74px;
  transform: translateX(-50%);
  border-radius: 8px;
  border: 8px solid #191919;
  background: #fff0aa;
  box-shadow: 0 26px 52px rgba(247, 183, 51, 0.45);
}

.visual-street {
  background: linear-gradient(145deg, #1c2627, #72908c);
}

.visual-street::before {
  left: 42px;
  top: 48px;
  width: 154px;
  height: 26px;
  border-radius: 40px 10px 10px 40px;
  background: #e4e8e2;
  box-shadow: 18px 22px 52px rgba(255, 225, 126, 0.5);
}

.product-body {
  padding: 22px;
}

.product-body p {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.product-body span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.55;
}

.spec-list {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
}

.spec-list div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid #edf0f2;
}

.spec-list dt {
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.spec-list dd {
  margin: 0;
  color: #424950;
  font-size: 14px;
  line-height: 1.45;
}

.solutions {
  background: #202020;
  color: white;
}

.solutions .eyebrow {
  color: #ffd36a;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.2);
}

.solution-grid article {
  min-height: 260px;
  padding: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    #202020;
}

.solution-grid span {
  color: #ffd36a;
  font-weight: 900;
}

.solution-grid h3 {
  margin-top: 86px;
}

.capability {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}

.capability-panel {
  padding: clamp(26px, 4vw, 44px);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.capability-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.capability-panel li {
  padding: 18px 0 18px 34px;
  border-bottom: 1px solid rgba(21, 23, 25, 0.12);
  background:
    radial-gradient(circle at 8px 28px, var(--teal) 0 5px, transparent 6px)
    no-repeat;
  font-weight: 700;
}

.capability-panel li:last-child {
  border-bottom: 0;
}

.quality {
  background: #eef3f1;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.quality-grid article {
  min-height: 200px;
  padding: 28px;
  border: 1px solid rgba(15, 139, 141, 0.18);
  border-radius: 8px;
  background: white;
}

.quality-grid strong {
  display: block;
  font-size: 20px;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.8fr);
  gap: clamp(24px, 4vw, 48px);
}

.about-card {
  min-height: 360px;
  padding: clamp(30px, 5vw, 56px);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(165, 79, 43, 0.9), rgba(15, 139, 141, 0.86)),
    url("assets/hero-commercial-sunlight.png") center / cover;
  color: white;
}

.about-card .eyebrow,
.about-card p {
  color: rgba(255, 255, 255, 0.82);
}

.about-list {
  display: grid;
  gap: 14px;
}

.about-list div {
  display: grid;
  gap: 8px;
  min-height: 108px;
  padding: 24px;
  border-left: 5px solid var(--amber);
  background: white;
  box-shadow: 0 8px 28px rgba(18, 24, 32, 0.07);
}

.about-list span {
  color: var(--muted);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 70px);
  background: #151719;
  color: white;
}

.contact .eyebrow {
  color: #ffd36a;
}

.contact p {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.72);
}

.contact-lines {
  display: grid;
  gap: 12px;
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
}

.inquiry-form {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 38px);
  border-radius: 8px;
  background: white;
  color: var(--ink);
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: #3a4046;
  font-size: 13px;
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid #cfd7de;
  border-radius: 6px;
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
}

.inquiry-form textarea {
  resize: vertical;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 4vw, 56px);
  color: #566069;
  background: #fcfbf8;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 76px;
    left: 18px;
    right: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: white;
    box-shadow: var(--shadow);
  }

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

  .section-split,
  .capability,
  .about,
  .contact {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 760px;
    padding-top: 112px;
    align-items: end;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(11, 13, 14, 0.18), rgba(11, 13, 14, 0.88) 42%, rgba(11, 13, 14, 0.95)),
      linear-gradient(90deg, rgba(11, 13, 14, 0.4), rgba(11, 13, 14, 0.1));
  }

  h1 {
    font-size: 40px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-metrics,
  .intro-strip,
  .product-grid,
  .solution-grid,
  .quality-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .intro-strip {
    padding-top: 0;
    padding-bottom: 0;
  }

  .solution-grid h3 {
    margin-top: 54px;
  }

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