:root {
  --black: #111111;
  --dark: #2e3237;
  --grey: #5a5f66;
  --line: #d9dde2;
  --soft: #f4f5f6;
  --yellow: #f5b400;
  --yellow-dark: #d99b00;
  --white: #ffffff;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.55;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-grid;
  gap: 0;
  color: var(--black);
  line-height: 1;
  letter-spacing: 0;
}

.brand::after {
  content: "";
  width: 54px;
  height: 5px;
  margin-top: 8px;
  background: var(--yellow);
}

.brand-main {
  font-size: 1.15rem;
  font-weight: 900;
}

.brand-sub {
  margin-top: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--grey);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--dark);
  font-size: 0.94rem;
  font-weight: 700;
}

.site-nav a:not(.nav-cta):hover {
  color: var(--black);
}

.nav-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 7px;
  font-weight: 900;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.nav-cta,
.btn-primary {
  background: var(--yellow);
  color: var(--black);
}

.nav-cta:hover,
.btn-primary:hover {
  background: var(--yellow-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  border: 1px solid var(--black);
  background: var(--white);
}

.btn-secondary:hover {
  border-color: var(--yellow-dark);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--black);
}

.section-pad {
  padding: clamp(64px, 8vw, 112px) clamp(18px, 4vw, 54px);
}

.hero,
.page-hero,
.quick-products,
.products,
.supply,
.solutions,
.project,
.gallery,
.about,
.cta {
  max-width: calc(var(--max) + 108px);
  margin: 0 auto;
}

.page-hero {
  max-width: 980px;
  padding-bottom: clamp(38px, 6vw, 72px);
}

.page-hero h1 {
  max-width: 850px;
}

.page-hero p:not(.eyebrow) {
  max-width: 760px;
  color: var(--grey);
  font-size: clamp(1.05rem, 1.7vw, 1.24rem);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  align-items: center;
  gap: clamp(34px, 5vw, 72px);
  min-height: calc(100vh - 78px);
}

.hero-copy {
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--yellow-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.07;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.6rem, 5vw, 5.25rem);
  max-width: 760px;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.6vw, 3.6rem);
}

h3 {
  margin-bottom: 10px;
  font-size: 1.22rem;
}

.hero-text {
  max-width: 600px;
  color: var(--dark);
  font-size: clamp(1.04rem, 1.6vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 28px;
}

.trust-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-points span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--soft);
  color: var(--dark);
  font-size: 0.86rem;
  font-weight: 800;
}

.hero-media {
  position: relative;
}

.hero-media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(17, 17, 17, 0.16);
}

.media-badge {
  position: absolute;
  right: 22px;
  bottom: 22px;
  max-width: 260px;
  padding: 18px;
  border-left: 6px solid var(--yellow);
  background: rgba(17, 17, 17, 0.9);
  color: var(--white);
}

.media-badge strong,
.media-badge span {
  display: block;
}

.media-badge strong {
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.media-badge span {
  color: #d7dadd;
  font-size: 0.9rem;
}

.section-heading {
  max-width: 770px;
  margin-bottom: 34px;
}

.section-heading.wide {
  max-width: 880px;
}

.section-heading p:not(.eyebrow) {
  color: var(--grey);
  font-size: 1.05rem;
}

.highlight-grid,
.why-grid,
.product-grid,
.solution-grid,
.gallery-grid {
  display: grid;
  gap: 22px;
}

.highlight-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.product-card,
.solution-grid article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.feature-card img {
  aspect-ratio: 1.35 / 1;
  object-fit: cover;
}

.feature-card div {
  padding: 22px;
}

.feature-card p,
.product-card p,
.solution-grid p,
.project p,
.about-card p,
.cta p {
  color: var(--grey);
}

.capability-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.capability-list span {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--soft);
  color: var(--dark);
  font-size: 0.88rem;
  font-weight: 800;
}

.feature-card a {
  color: var(--black);
  font-weight: 900;
  text-decoration: underline;
  text-decoration-color: var(--yellow);
  text-decoration-thickness: 3px;
  text-underline-offset: 5px;
}

.why {
  max-width: none;
  background: var(--black);
  color: var(--white);
}

.why > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

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

.why-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.why-grid article {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.why-grid p {
  margin-bottom: 0;
  color: #c8ccd0;
}

.icon-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border-radius: 6px;
  background: var(--yellow);
  color: var(--black);
  font-weight: 900;
}

.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card img {
  aspect-ratio: 1.42 / 1;
  object-fit: cover;
}

.card-body {
  padding: 24px;
}

.card-body dl {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.card-body dt {
  color: var(--black);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.card-body dd {
  margin: -7px 0 0;
  color: var(--grey);
}

.supply {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(360px, 1.02fr);
  gap: clamp(34px, 5vw, 74px);
  align-items: center;
  background: var(--soft);
  max-width: none;
}

.supply-copy,
.supply-gallery {
  max-width: calc(var(--max) / 2);
}

.supply-copy {
  justify-self: end;
}

.supply-gallery {
  justify-self: start;
}

.process-list {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.process-list article {
  display: grid;
  grid-template-columns: 46px 1fr;
  column-gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.process-list span {
  color: var(--yellow-dark);
  font-weight: 900;
}

.process-list h3,
.process-list p {
  grid-column: 2;
  margin-bottom: 6px;
}

.supply-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.supply-gallery img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
}

.supply-gallery img:nth-child(2),
.supply-gallery img:nth-child(3) {
  transform: translateY(28px);
}

.solution-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.section-action {
  display: flex;
  margin-top: 28px;
}

.solution-grid article {
  padding: 24px;
}

.solution-grid span {
  display: block;
  margin-top: 18px;
  color: var(--black);
  font-size: 0.82rem;
  font-weight: 900;
}

.solution-detail-grid {
  display: grid;
  gap: 28px;
}

.solution-detail {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: 30px;
  align-items: stretch;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.solution-detail img {
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  border-radius: 6px;
}

.solution-detail h2 {
  font-size: clamp(1.65rem, 2.8vw, 2.6rem);
}

.solution-detail p:not(.eyebrow),
.solution-detail li {
  color: var(--grey);
}

.solution-detail ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px 18px;
  margin: 14px 0 0;
  padding-left: 18px;
}

.solution-detail h3 {
  margin-top: 22px;
}

.project {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 36px;
  align-items: center;
  background: var(--black);
  color: var(--white);
  max-width: none;
}

.project > * {
  max-width: calc(var(--max) / 2);
}

.project > div {
  justify-self: end;
}

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

.support-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  justify-self: start;
  margin: 0;
  padding: 0;
  list-style: none;
}

.support-list li {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.04);
  font-weight: 800;
}

.support-list li::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 10px;
  background: var(--yellow);
}

.gallery-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  border-radius: 8px;
  background: var(--black);
}

figure img {
  aspect-ratio: 1.35 / 1;
  object-fit: cover;
  opacity: 0.82;
  transition: transform 180ms ease, opacity 180ms ease;
}

figure:hover img {
  transform: scale(1.03);
  opacity: 0.92;
}

figcaption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  padding: 8px 10px;
  border-left: 4px solid var(--yellow);
  background: rgba(17, 17, 17, 0.82);
  color: var(--white);
  font-weight: 900;
}

.about {
  background: var(--soft);
  max-width: none;
}

.about-card {
  max-width: 850px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.55fr);
  gap: 36px;
  align-items: center;
}

.contact-panel {
  padding: 28px;
  border-radius: 8px;
  background: var(--black);
  color: var(--white);
}

.contact-panel ul {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.contact-panel li {
  display: grid;
  gap: 3px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.contact-panel strong {
  color: var(--yellow);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.9fr;
  gap: 36px;
  padding: 52px clamp(18px, 4vw, 54px);
  background: var(--dark);
  color: var(--white);
}

.site-footer > * {
  max-width: 420px;
}

.footer-brand {
  color: var(--white);
}

.footer-brand .brand-sub,
.site-footer p,
.site-footer span {
  color: #c8ccd0;
}

.site-footer h3 {
  margin-bottom: 16px;
}

.site-footer a,
.site-footer span {
  display: block;
  margin-bottom: 8px;
}

.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 25;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  background: #25d366;
  color: var(--black);
  box-shadow: 0 18px 40px rgba(17, 17, 17, 0.22);
  font-weight: 900;
}

@media (max-width: 1080px) {
  .highlight-grid,
  .product-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 78px 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(17, 17, 17, 0.12);
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 14px 8px;
  }

  .nav-cta {
    margin-top: 10px;
  }

  .hero,
  .supply,
  .project,
  .cta,
  .solution-detail {
    grid-template-columns: 1fr;
  }

  .solution-detail img {
    min-height: 240px;
  }

  .hero {
    min-height: auto;
  }

  .supply-copy,
  .supply-gallery,
  .project > *,
  .project > div {
    max-width: none;
    justify-self: stretch;
  }

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

@media (max-width: 640px) {
  .site-header {
    min-height: 70px;
  }

  .site-nav {
    inset: 70px 0 auto 0;
  }

  .section-pad {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.95rem;
  }

  .highlight-grid,
  .why-grid,
  .product-grid,
  .solution-grid,
  .solution-detail ul,
  .gallery-grid,
  .support-list {
    grid-template-columns: 1fr;
  }

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

  .media-badge {
    position: static;
    max-width: none;
    margin-top: 12px;
  }

  .supply-gallery img:nth-child(2),
  .supply-gallery img:nth-child(3) {
    transform: none;
  }

  .floating-whatsapp {
    left: 18px;
  }
}
