:root {
  --bg: #f4f8fa;
  --surface: #ffffff;
  --surface-2: #eaf2f5;
  --ink: #101820;
  --muted: #667782;
  --line: #d5e2e7;
  --dark: #10171d;
  --dark-2: #18232b;
  --cyan: #09accb;
  --cyan-dark: #007f99;
  --shadow: 0 24px 60px rgba(16, 24, 32, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

#services,
#process,
#products,
#materials,
#contact {
  scroll-margin-top: 92px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 224px 1fr auto;
  align-items: center;
  gap: 26px;
  min-height: 82px;
  padding: 12px clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(213, 226, 231, 0.9);
  background: rgba(244, 248, 250, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img,
.site-footer img {
  width: 100%;
  object-fit: contain;
}

.brand img {
  height: 62px;
  object-position: center;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2.5vw, 34px);
  color: #34424b;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.site-nav a,
.quote-link,
.button,
.product-card a,
.site-footer a {
  text-decoration: none;
}

.site-nav a {
  position: relative;
  padding: 9px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width 160ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  width: 100%;
}

.quote-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--cyan);
  border-radius: var(--radius);
  padding: 11px 16px;
  color: var(--cyan-dark);
  background: var(--surface);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
  white-space: nowrap;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.78fr);
  gap: clamp(34px, 5vw, 80px);
  align-items: center;
  min-height: calc(100vh - 82px);
  padding: clamp(58px, 8vw, 104px) clamp(18px, 5vw, 72px) clamp(34px, 5vw, 72px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(244, 248, 250, 0.92) 46%, rgba(234, 242, 245, 0.88)),
    radial-gradient(circle at 82% 20%, rgba(9, 172, 203, 0.14), transparent 24rem);
}

.hero-copy {
  max-width: 760px;
}

.section-label,
.card-label {
  margin: 0 0 12px;
  color: var(--cyan-dark);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(3.6rem, 8vw, 7.8rem);
  font-weight: 850;
  line-height: 0.9;
  letter-spacing: -0.015em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.15rem, 4.5vw, 4.9rem);
  font-weight: 820;
  line-height: 0.98;
  letter-spacing: -0.012em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.22rem;
  line-height: 1.1;
}

.hero-text,
.section-heading > p,
.quote-card p,
.process-grid p,
.service-grid p,
.product-card p,
.material-list p,
.cta-band p,
.site-footer p,
.site-footer span {
  color: var(--muted);
  line-height: 1.6;
}

.hero-text {
  max-width: 650px;
  font-size: clamp(1.12rem, 2vw, 1.38rem);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  min-width: 174px;
  border-radius: var(--radius);
  padding: 14px 20px;
  font-size: 0.88rem;
  font-weight: 900;
  text-transform: uppercase;
}

.button-primary {
  background: var(--cyan);
  color: #00131a;
  box-shadow: 0 14px 28px rgba(9, 172, 203, 0.22);
}

.button-secondary {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.quote-panel {
  display: grid;
  gap: 16px;
}

.quote-panel-media,
.quote-card,
.process-grid article,
.service-grid article,
.product-card,
.material-list article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.quote-panel-media {
  overflow: hidden;
  min-height: 300px;
  background: var(--dark);
}

.quote-panel-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  object-position: center top;
}

.quote-card {
  display: grid;
  grid-template-columns: 1fr 170px;
  gap: 20px;
  align-items: center;
  padding: 22px;
}

.quote-card h2 {
  margin-bottom: 10px;
  font-size: 1.7rem;
}

.quote-card p {
  margin-bottom: 0;
}

.upload-preview {
  display: grid;
  place-items: center;
  min-height: 148px;
  border: 1px dashed rgba(0, 127, 153, 0.45);
  border-radius: var(--radius);
  padding: 18px;
  color: var(--cyan-dark);
  text-align: center;
  background: #f3fbfd;
}

.upload-preview span {
  width: 40px;
  height: 48px;
  margin-bottom: 10px;
  border: 3px solid currentColor;
  border-radius: 5px;
  position: relative;
}

.upload-preview span::after {
  content: "";
  position: absolute;
  right: -3px;
  top: -3px;
  border-top: 14px solid #f3fbfd;
  border-left: 14px solid currentColor;
}

.upload-preview strong,
.upload-preview small {
  display: block;
}

.upload-preview small {
  color: var(--muted);
  font-size: 0.76rem;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 clamp(18px, 5vw, 72px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  transform: translateY(-26px);
}

.trust-strip div {
  padding: 24px;
  background: var(--surface);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 0.98rem;
}

.trust-strip span {
  color: var(--muted);
  line-height: 1.55;
}

.process-section,
.services-section,
.products-section,
.materials-section,
.cta-band {
  padding: clamp(62px, 8vw, 104px) clamp(18px, 5vw, 72px);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 38px;
}

.process-grid,
.service-grid,
.product-grid,
.material-list {
  display: grid;
  gap: 18px;
}

.process-grid {
  grid-template-columns: repeat(3, 1fr);
}

.process-grid article,
.service-grid article,
.product-card,
.material-list article {
  padding: 26px;
}

.process-grid span {
  display: block;
  margin-bottom: 46px;
  color: var(--cyan-dark);
  font-size: 0.82rem;
  font-weight: 900;
}

.services-section,
.materials-section {
  background: var(--dark);
  color: #f7fbfc;
}

.services-section .section-label,
.materials-section .section-label,
.cta-band .section-label {
  color: #69d5e8;
}

.services-section .section-heading > p,
.services-section p,
.materials-section p,
.cta-band p {
  color: #b7c6ce;
}

.service-grid {
  grid-template-columns: repeat(4, 1fr);
}

.service-grid article {
  background: var(--dark-2);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.service-icon {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 34px;
  border: 1px solid rgba(105, 213, 232, 0.45);
  border-radius: 50%;
  color: #69d5e8;
  font-size: 0.78rem;
  font-weight: 900;
}

.products-section {
  background: var(--bg);
}

.product-grid {
  grid-template-columns: repeat(4, 1fr);
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 304px;
}

.product-status {
  width: max-content;
  margin-bottom: auto;
  border: 1px solid rgba(9, 172, 203, 0.38);
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--cyan-dark);
  background: rgba(9, 172, 203, 0.08);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.product-card h3 {
  margin-top: 42px;
  font-size: 1.34rem;
}

.product-card a {
  width: max-content;
  margin-top: 14px;
  color: var(--cyan-dark);
  font-size: 0.84rem;
  font-weight: 900;
  text-transform: uppercase;
}

.materials-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
  background:
    linear-gradient(135deg, rgba(9, 172, 203, 0.12), transparent 34%),
    var(--dark);
}

.material-list {
  grid-template-columns: 1fr;
}

.material-list article {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.material-list h3,
.material-list p {
  margin-bottom: 0;
}

.material-list article {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  background: var(--surface);
}

.cta-band > div:first-child {
  max-width: 780px;
}

.cta-band h2 {
  font-size: clamp(2rem, 3.8vw, 4.2rem);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(180px, 260px) 1fr 1.2fr;
  gap: clamp(34px, 8vw, 120px);
  padding: 54px clamp(18px, 5vw, 72px) 42px;
  background: #080d10;
  color: #edf6f8;
}

.site-footer img {
  display: block;
  max-width: 260px;
  height: auto;
  object-position: center;
}

.site-footer h2 {
  margin-bottom: 16px;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.site-footer a,
.site-footer span {
  display: block;
  margin-bottom: 9px;
}

.button:focus-visible,
.quote-link:focus-visible,
.site-nav a:focus-visible,
.product-card a:focus-visible,
.site-footer a:focus-visible,
.brand:focus-visible {
  outline: 3px solid rgba(9, 172, 203, 0.35);
  outline-offset: 4px;
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 210px 1fr;
  }

  .quote-link {
    grid-column: 2;
    justify-self: end;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .hero,
  .materials-section {
    grid-template-columns: 1fr;
  }

  .quote-panel {
    max-width: 720px;
  }

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

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 12px;
    min-height: auto;
  }

  .brand {
    width: 190px;
  }

  .site-nav {
    gap: 16px;
  }

  .hero {
    min-height: auto;
    padding-top: 46px;
  }

  h1 {
    font-size: 3.8rem;
  }

  .quote-card,
  .trust-strip,
  .process-grid,
  .service-grid,
  .product-grid,
  .material-list article {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    transform: none;
    margin-top: 20px;
  }

  .cta-band {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand {
    width: 150px;
  }

  .brand img {
    height: 52px;
  }

  .quote-link {
    min-height: 40px;
    padding: 10px 12px;
    font-size: 0.72rem;
  }

  .site-nav {
    font-size: 0.72rem;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  .quote-panel-media,
  .quote-panel-media img {
    min-height: 240px;
  }

  .process-grid article,
  .service-grid article,
  .product-card,
  .material-list article {
    padding: 22px;
  }
}