:root {
  --ink: #181816;
  --muted: #687276;
  --line: #dde4e0;
  --paper: #f7f5f0;
  --white: #ffffff;
  --green: #243f34;
  --green-dark: #132820;
  --blue: #245b89;
  --coral: #d6673d;
  --gold: #c5974b;
  --shadow: 0 20px 50px rgba(31, 36, 40, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 12px clamp(18px, 4vw, 58px);
  border-bottom: 1px solid rgba(221, 228, 224, 0.86);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 260px;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  object-fit: cover;
}

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

.brand strong {
  font-size: 16px;
}

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

.nav-links {
  display: flex;
  gap: clamp(16px, 3vw, 34px);
  align-items: center;
  color: #33403c;
  font-size: 14px;
  font-weight: 760;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown > button {
  padding: 12px 0;
  border: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.nav-dropdown > button span {
  display: inline-block;
  margin-left: 5px;
  transition: transform 180ms ease;
}

.product-menu {
  position: absolute;
  top: calc(100% + 11px);
  left: -26px;
  display: grid;
  width: 310px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--white);
  box-shadow: 0 22px 50px rgba(20, 35, 29, 0.17);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.product-menu a {
  padding: 10px 12px;
  border-radius: 2px;
  font-size: 15px;
  font-weight: 650;
}

.product-menu a:hover,
.product-menu a:focus-visible {
  color: var(--green);
  background: var(--paper);
}

.product-menu .menu-all {
  margin-bottom: 6px;
  border-bottom: 1px solid var(--line);
  color: var(--green);
  font-weight: 850;
}

.nav-dropdown:hover .product-menu,
.nav-dropdown:focus-within .product-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown:hover > button span,
.nav-dropdown:focus-within > button span {
  transform: rotate(180deg);
}

.header-action,
.primary-btn,
.secondary-btn,
.inquiry-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 820;
}

.header-action,
.primary-btn,
.inquiry-form button {
  color: var(--white);
  background: var(--green);
}

.hero {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  background: #e2e6dd;
}

.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(247, 245, 240, 0.02) 35%, rgba(247, 245, 240, 0.88) 62%, rgba(247, 245, 240, 0.98));
}

.hero-panel {
  position: relative;
  z-index: 2;
  max-width: 710px;
  margin-left: auto;
  padding: 118px clamp(28px, 6vw, 92px) 88px 40px;
  color: var(--ink);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(46px, 6vw, 76px);
  line-height: 1;
  letter-spacing: 0;
}

.hero-panel p,
.section-heading p,
.category-card p,
.process-grid p,
.factory-content p,
.contact-section p,
footer p {
  color: var(--muted);
  line-height: 1.62;
}

.hero-panel > p:last-of-type {
  max-width: 650px;
  color: #5f625e;
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.secondary-btn {
  color: var(--green-dark);
  border: 1px solid var(--green);
  background: rgba(255, 255, 255, 0.7);
}

.hero .secondary-btn {
  color: var(--green-dark);
  border-color: var(--green-dark);
  background: rgba(255, 255, 255, 0.5);
}

.secondary-btn.dark {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.12);
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(1040px, calc(100% - 36px));
  margin: 18px auto 0;
  box-shadow: var(--shadow);
}

.hero-stats span {
  min-height: 92px;
  padding: 20px;
  border-right: 1px solid var(--line);
  background: var(--white);
}

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

.hero-stats strong {
  display: block;
  margin-bottom: 4px;
  color: var(--green);
  font-size: 24px;
}

.intro-band {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 4vw, 58px);
  color: var(--white);
  background: var(--green-dark);
}

.intro-band p {
  margin: 0;
  font-weight: 760;
}

.section,
.split-section,
.factory-section,
.contact-section,
.product-strip,
.material-story {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.section {
  padding: 84px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading.compact {
  margin-bottom: 0;
}

.section-heading h2,
.split-section h2,
.factory-section h2,
.contact-section h2 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.category-card {
  display: flex;
  flex-direction: column;
  min-height: 460px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--white);
}

.category-card img {
  width: 100%;
  height: 310px;
  object-fit: cover;
  background: #eef1ed;
}

.category-card[id] {
  scroll-margin-top: 120px;
}

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

.category-card h3,
.process-grid h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.industries-section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 24px 0 90px;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.industry-grid article {
  min-height: 250px;
  padding: 28px 24px;
  border-right: 1px solid var(--line);
}

.industry-grid article:last-child { border-right: 0; }
.industry-grid span { color: var(--coral); font-weight: 850; }
.industry-grid h3 { margin-top: 58px; margin-bottom: 10px; font-size: 22px; }
.industry-grid p { color: var(--muted); line-height: 1.6; }

.material-story {
  padding: 78px clamp(24px, 6vw, 82px);
  color: var(--white);
  background: var(--green-dark);
}

.material-story h2 {
  max-width: 800px;
  margin-bottom: 20px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.03;
}

.material-story > p:not(.eyebrow) {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.65;
}

.material-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 42px;
  background: rgba(255, 255, 255, 0.2);
}

.material-points span {
  padding: 22px;
  background: var(--green-dark);
  font-weight: 760;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  padding: 90px 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.process-grid article {
  min-height: 270px;
  padding: 24px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(31, 36, 40, 0.08);
}

.process-grid span {
  color: var(--gold);
  font-weight: 900;
}

.factory-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 44px;
  padding: 68px clamp(22px, 4vw, 44px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.info-grid span {
  padding: 18px;
  border-left: 4px solid var(--blue);
  background: var(--white);
  color: var(--muted);
}

.info-grid strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1fr);
  gap: 48px;
  align-items: start;
  padding: 58px clamp(22px, 4vw, 44px);
  margin-top: 80px;
  margin-bottom: 70px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green-dark), var(--green) 58%, var(--blue));
}

.contact-section p {
  color: rgba(255, 255, 255, 0.82);
}

.inquiry-form {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: #34413f;
  font-size: 14px;
  font-weight: 760;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid #ccd6d1;
  border-radius: 8px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  background: #fbfcfb;
}

.inquiry-form button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 58px);
  border-top: 1px solid var(--line);
  background: var(--white);
}

footer p {
  margin: 0;
}

footer p:first-child {
  color: var(--ink);
  font-weight: 850;
}

@media (max-width: 980px) {
  .site-header {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 12px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow: visible;
    padding-bottom: 2px;
  }

  .product-menu {
    left: 0;
    width: min(310px, calc(100vw - 36px));
  }

  .hero {
    min-height: 640px;
  }

  .hero::after {
    background: rgba(247, 245, 240, 0.82);
  }

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

  .industry-grid article:nth-child(2) { border-right: 0; }

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

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

  .brand strong {
    font-size: 14px;
  }

  .header-action {
    padding: 0 14px;
  }

  h1 {
    font-size: 41px;
  }

  .hero-panel {
    padding: 82px 22px 64px;
  }

  .hero-stats,
  .category-grid,
  .process-grid,
  .info-grid,
  .material-points,
  .industry-grid {
    grid-template-columns: 1fr;
  }

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

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

  .intro-band {
    display: block;
  }

  .intro-band p + p {
    margin-top: 10px;
  }

  footer {
    display: block;
  }

  footer p + p {
    margin-top: 8px;
  }
}
