:root {
  --ink: #15201c;
  --muted: #66736f;
  --line: #d8e3de;
  --surface: #f7faf8;
  --surface-strong: #eef5f1;
  --white: #ffffff;
  --green: #0f6f5c;
  --green-dark: #0a4b40;
  --coral: #d65f4c;
  --gold: #b98836;
  --shadow: 0 24px 70px rgba(21, 32, 28, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: "Inter", Arial, sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  padding: 16px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(216, 227, 222, 0.8);
  background: rgba(247, 250, 248, 0.92);
  backdrop-filter: blur(18px);
}

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

.brand-logo {
  display: inline-flex;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
}

.brand-logo img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

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

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover {
  color: var(--green);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
}

.header-cta {
  padding: 0 18px;
  color: var(--white);
  background: var(--ink);
}

.button {
  padding: 0 22px;
  border: 1px solid transparent;
}

.button.primary {
  color: var(--white);
  background: var(--green);
}

.button.secondary {
  border-color: var(--line);
  color: var(--ink);
  background: var(--white);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(320px, 0.76fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
  min-height: calc(92vh - 74px);
  padding: clamp(38px, 5vw, 58px) clamp(20px, 5vw, 72px) 34px;
  overflow: hidden;
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(36px, 4vw, 52px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.hero-text {
  max-width: 660px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.hero-belief {
  max-width: 700px;
  margin: 16px 0 0;
  color: var(--green-dark);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.hero-metrics div {
  min-height: 92px;
  padding: 15px;
  border: 1px solid var(--line);
  background: var(--white);
}

.hero-metrics strong,
.capability-card.stat strong {
  display: block;
  color: var(--green-dark);
  font-size: clamp(24px, 2.4vw, 36px);
  line-height: 1;
}

.hero-metrics span,
.capability-card.stat span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.hero-visual {
  display: grid;
  gap: 14px;
  align-self: start;
}

.hero-visual img {
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.visual-card {
  width: 100%;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.44);
  border-radius: 8px;
  color: var(--white);
  background: rgba(10, 75, 64, 0.9);
  box-shadow: 0 18px 60px rgba(10, 75, 64, 0.22);
}

.visual-card span {
  display: block;
  margin-bottom: 10px;
  color: #bce8dd;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.visual-card strong {
  display: block;
  font-size: 18px;
  line-height: 1.35;
}

.section {
  padding: clamp(64px, 9vw, 112px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading.wide {
  max-width: 980px;
}

.intro-section {
  background: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.intro-grid article,
.product-list article,
.capability-card,
.process-steps article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.intro-grid article {
  min-height: 190px;
  padding: 28px;
}

.factory-showcase {
  display: grid;
  grid-template-columns: 1.1fr 0.95fr 0.95fr;
  gap: 16px;
  margin-top: 26px;
}

.factory-showcase article {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--ink);
}

.factory-showcase img {
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.86;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

.factory-showcase article:hover img {
  transform: scale(1.035);
  opacity: 0.95;
}

.factory-showcase strong {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  color: var(--white);
  font-size: 18px;
  line-height: 1.2;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
}

.intro-grid p,
.product-list p,
.capability-card p,
.process-steps p,
.quality-copy p,
.contact-copy p,
.site-footer p {
  color: var(--muted);
}

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

.certifications-section {
  background: var(--surface);
}

.certification-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.certification-copy {
  display: grid;
  gap: 16px;
}

.certification-copy article {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.certification-copy span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.certification-copy small {
  display: block;
  margin-top: 14px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
}

.certificate-slider {
  min-width: 0;
}

.certificate-slider-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.certificate-slider-head span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.certificate-controls {
  display: inline-flex;
  gap: 8px;
}

.certificate-control {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--green-dark);
  background: var(--white);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.certificate-control:hover {
  transform: translateY(-1px);
  border-color: rgba(11, 117, 94, 0.35);
  background: var(--surface-strong);
}

.certificate-previews {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 78%);
  grid-template-columns: none;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 18px;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.certificate-previews figure {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 44px rgba(21, 32, 28, 0.08);
  scroll-snap-align: start;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.certificate-previews figure:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(21, 32, 28, 0.14);
}

.certificate-previews img {
  aspect-ratio: 0.72;
  object-fit: cover;
  object-position: top;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.certificate-previews figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.certificate-note {
  max-width: 980px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.12fr);
  gap: 26px;
  align-items: stretch;
}

.product-image img {
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

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

.product-list article {
  padding: 26px;
}

.product-list span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--gold);
  font-weight: 800;
}

.capabilities-section {
  background: var(--white);
}

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

.capability-card {
  padding: 26px;
}

.capability-card.large {
  grid-column: span 2;
  grid-row: span 2;
  display: grid;
  gap: 22px;
  padding: 0;
  overflow: hidden;
}

.capability-card.large img {
  height: 320px;
  object-fit: cover;
}

.capability-card.large div {
  padding: 0 28px 28px;
}

.capability-card.stat {
  display: flex;
  min-height: 180px;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--surface-strong);
}

.quality-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  background: var(--green-dark);
  color: var(--white);
}

.quality-copy p,
.quality-copy .check-list {
  max-width: 660px;
}

.quality-copy p,
.quality-copy li {
  color: rgba(255, 255, 255, 0.76);
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  position: absolute;
  top: 8px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--coral);
  content: "";
}

.quality-gallery {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 16px;
  align-items: end;
}

.quality-gallery img {
  height: 420px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.26);
}

.quality-gallery img:last-child {
  height: 330px;
}

.process {
  padding: clamp(64px, 9vw, 112px) clamp(20px, 5vw, 72px);
  background: var(--surface);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.process-steps article {
  min-height: 230px;
  padding: 24px;
}

.process-steps span {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--green);
  font-weight: 800;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(340px, 0.7fr);
  gap: clamp(32px, 5vw, 72px);
  padding: clamp(64px, 9vw, 112px) clamp(20px, 5vw, 72px);
  background: var(--white);
}

.contact-copy {
  max-width: 700px;
}

.contact-details {
  display: grid;
  gap: 12px;
  margin-top: 32px;
  font-weight: 800;
}

.contact-details a {
  width: fit-content;
  color: var(--green-dark);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 180px));
  gap: 16px;
  margin-top: 28px;
}

.qr-grid article {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.qr-grid img {
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 6px;
  background: var(--white);
}

.qr-grid strong,
.qr-grid span {
  display: block;
}

.qr-grid strong {
  margin-top: 12px;
  font-size: 15px;
}

.qr-grid span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.quote-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.quote-form label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

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

.quote-form textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 5vw, 72px);
  color: var(--white);
  background: var(--ink);
}

.site-footer p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 800;
}

@media (max-width: 1040px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .site-header.nav-open .site-nav {
    position: absolute;
    top: 75px;
    right: 20px;
    left: 20px;
    display: grid;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .site-header.nav-open .site-nav a {
    padding: 18px;
    border-bottom: 1px solid var(--line);
  }

  .hero,
  .certification-layout,
  .product-layout,
  .quality-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual img {
    height: auto;
  }

  .capability-grid,
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .capability-card.large {
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 32px;
  }

  .intro-grid,
  .factory-showcase,
  .product-list,
  .capability-grid,
  .process-steps,
  .quality-gallery {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 34px;
    padding-bottom: 28px;
  }

  .hero-text,
  .hero-belief {
    font-size: 15px;
  }

  .hero-actions,
  .hero-metrics {
    margin-top: 16px;
  }

  .hero-actions {
    gap: 8px;
  }

  .hero-actions .button {
    min-height: 42px;
    padding: 0 14px;
    font-size: 13px;
  }

  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .hero-metrics div {
    padding: 10px 8px;
    min-height: auto;
  }

  .hero-metrics strong {
    font-size: 24px;
  }

  .hero-metrics span {
    font-size: 10px;
    line-height: 1.25;
  }

  .hero-visual img {
    height: auto;
  }

  .product-image img,
  .quality-gallery img,
  .quality-gallery img:last-child {
    height: auto;
    min-height: 0;
  }

  .visual-card {
    display: none;
  }

  .capability-card.large {
    grid-column: auto;
  }

  .site-footer {
    display: grid;
  }

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