:root {
  --ink: #183128;
  --ink-2: #234d38;
  --blue: #23813e;
  --teal: #33b741;
  --gold: #d2a648;
  --paper: #ffffff;
  --soft: #f1f7f0;
  --soft-2: #e4f1e5;
  --line: #cfdfd1;
  --muted: #617466;
  --light: #e4f2e6;
  --shadow: 0 24px 60px rgba(22, 55, 36, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

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

code {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--soft-2);
  font-size: 0.92em;
}

.container {
  width: min(1160px, 100%);
  margin: 0 auto;
  padding-inline: 20px;
}

.narrow {
  width: min(860px, 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px max(20px, calc((100vw - 1160px) / 2));
  color: var(--paper);
  background: rgba(19, 55, 35, 0.97);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 280px;
}

.logo-symbol {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  border-radius: 6px;
  object-fit: cover;
}

.logo-brand {
  width: 115px;
  height: auto;
  border-radius: 0;
  object-fit: contain;
}

.logo-copy,
.logo-copy strong,
.logo-copy small {
  display: block;
}

.logo-copy {
  min-width: 0;
}

.logo-copy strong {
  color: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  font-weight: 600;
  line-height: 1;
}

.logo-copy small {
  max-width: 330px;
  margin-top: 5px;
  color: var(--light);
  font-size: 11px;
  line-height: 1.35;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  color: var(--light);
  font-size: 14px;
  white-space: nowrap;
}

.site-nav a {
  padding: 8px 0;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--gold);
}

.section {
  position: relative;
  padding: 88px 0;
}

.section-soft {
  background: var(--soft);
}

.section-dark {
  color: var(--paper);
  background:
    linear-gradient(90deg, rgba(17, 55, 34, 0.96), rgba(22, 72, 43, 0.76)),
    url("assets/factory-tour.jpg") center / cover no-repeat,
    var(--ink);
}

.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  padding: 58px 0 44px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 44px;
  align-items: center;
}

.hero-content h1,
.page-hero h1 {
  max-width: 780px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 56px;
  line-height: 1.03;
  letter-spacing: 0;
}

.hero-lead,
.page-hero p {
  max-width: 700px;
  color: #e4f2e6;
  font-size: 18px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-actions,
.cta-grid {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--paper);
  background: var(--blue);
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:not(.button-primary):hover {
  background: #1b6f35;
}

.button-primary {
  background: var(--teal);
  color: var(--paper);
}

.button-primary:hover {
  background: #259c35;
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

.button-small {
  min-height: 40px;
  padding: 9px 14px;
  font-size: 14px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-points span {
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: var(--light);
  font-size: 13px;
}

.hero-media,
.image-panel {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--soft);
  box-shadow: var(--shadow);
}

.hero-media img,
.image-panel img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-media figcaption,
.image-panel figcaption {
  padding: 14px 16px;
  color: var(--muted);
  background: var(--paper);
  font-size: 13px;
}

.page-hero {
  padding: 112px 0;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading h2,
.section-intro h2,
.cta-grid h2,
.contact-panel h2 {
  margin: 0 0 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 43px;
  line-height: 1.12;
  letter-spacing: 0;
}

.section-heading p,
.section-intro p,
.feature-card p,
.service-block p,
.product-card p,
.filter-note p {
  color: var(--muted);
}

.card-grid {
  display: grid;
  gap: 22px;
}

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

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

.feature-card,
.service-block,
.contact-panel,
.inquiry-form,
.stats-grid > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 14px 36px rgba(22, 55, 36, 0.06);
}

.feature-card,
.service-block {
  padding: 28px;
}

.feature-card h3,
.service-block h2,
.product-card h2,
.product-card h3 {
  margin: 0 0 10px;
  line-height: 1.2;
}

.card-number {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--gold);
  font-weight: 800;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.86fr);
  gap: 52px;
  align-items: center;
}

.info-list,
.contact-list,
.spec-table {
  margin: 24px 0;
}

.info-list div,
.contact-list div,
.spec-table div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--muted);
  font-weight: 700;
}

dd {
  margin: 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  color: var(--blue);
  font-weight: 800;
}

.text-link::after {
  content: ">";
  margin-left: 8px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

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

.product-grid-expanded .product-card:nth-child(4),
.product-grid-expanded .product-card:nth-child(5) {
  grid-column: span 1;
}

.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 14px 36px rgba(22, 55, 36, 0.07);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--soft-2);
}

.product-card > div {
  padding: 24px;
}

.cta-band {
  padding: 64px 0;
  color: var(--paper);
  background: linear-gradient(120deg, #143a24, #28603d);
}

.trust-bar {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding-block: 28px;
}

.trust-grid div {
  padding: 0 24px;
  border-right: 1px solid var(--line);
}

.trust-grid div:first-child {
  padding-left: 0;
}

.trust-grid div:last-child {
  border-right: 0;
}

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

.trust-grid strong {
  margin-bottom: 5px;
  color: var(--ink);
}

.trust-grid span {
  color: var(--muted);
  font-size: 14px;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.application-grid article {
  padding: 26px 22px;
  border-top: 3px solid var(--teal);
  background: var(--soft);
}

.application-grid h3 {
  margin: 0 0 9px;
}

.application-grid p {
  margin: 0;
  color: var(--muted);
}

.cta-grid {
  justify-content: space-between;
  gap: 28px;
}

.cta-grid p {
  max-width: 720px;
  color: var(--light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.stats-grid > div {
  padding: 28px;
}

.stats-grid span {
  color: var(--gold);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
}

.stats-grid strong {
  display: block;
  margin: 6px 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
}

.media-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.media-strip figure,
.product-photo-pair figure {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.media-strip img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.media-strip figcaption,
.product-photo-pair figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 13px;
}

.check-list,
.bullet-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.bullet-list li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
}

.check-list li::before,
.bullet-list li::before {
  position: absolute;
  left: 0;
  color: var(--teal);
  content: "+";
  font-weight: 700;
}

.process-list {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
  gap: 48px;
}

.process-list ol {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.process-list strong,
.process-list span {
  display: block;
}

.process-list span {
  margin-top: 5px;
  color: var(--muted);
}

.filter-note {
  margin-bottom: 28px;
  padding: 18px 20px;
  border-left: 4px solid var(--gold);
  background: var(--soft);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.contact-panel,
.inquiry-form {
  padding: 30px;
}

.inquiry-form {
  display: grid;
  gap: 16px;
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 700;
}

.inquiry-form input,
.inquiry-form textarea,
.inquiry-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
}

.inquiry-form input:focus,
.inquiry-form textarea:focus,
.inquiry-form select:focus {
  outline: 2px solid rgba(51, 183, 65, 0.2);
  border-color: var(--blue);
}

.form-heading h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.52fr);
  gap: 42px;
  align-items: start;
}

.detail-media {
  margin: 0;
}

.detail-media img {
  width: 100%;
  border-radius: 8px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.product-photo-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 28px 0;
}

.product-photo-pair img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: var(--paper);
}

.detail-sidebar {
  position: sticky;
  top: 96px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.site-footer {
  color: var(--light);
  background: var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.55fr 1fr;
  gap: 40px;
  padding: 58px 20px;
}

.site-footer h2,
.site-footer h3 {
  margin: 0 0 14px;
  color: var(--paper);
}

.site-footer a {
  display: block;
  margin: 7px 0;
  color: var(--light);
}

.footer-logo {
  display: block;
  width: min(233px, 100%);
  margin-bottom: 17px;
}

.footer-bottom {
  padding: 18px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  color: var(--light);
  font-size: 13px;
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .logo {
    min-width: 0;
  }

  .logo-brand {
    width: 108px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 8px;
    overflow-x: auto;
  }

  .site-nav a {
    flex: 0 0 auto;
    padding: 8px 10px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 6px;
  }

  .hero {
    min-height: auto;
    padding: 52px 0;
  }

  .hero-content h1,
  .page-hero h1 {
    font-size: 48px;
  }

  .section-heading h2,
  .section-intro h2,
  .cta-grid h2,
  .contact-panel h2 {
    font-size: 36px;
  }

  .hero-grid,
  .split-layout,
  .process-list,
  .contact-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .card-grid.three,
  .card-grid.two,
  .product-grid,
  .stats-grid,
  .trust-grid,
  .application-grid,
  .media-strip,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    padding-block: 12px;
  }

  .trust-grid div,
  .trust-grid div:first-child {
    padding: 15px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-grid div:last-child {
    border-bottom: 0;
  }

  .detail-sidebar {
    position: static;
  }
}

@media (max-width: 560px) {
  .container {
    padding-inline: 16px;
  }

  .site-header {
    padding: 13px 16px;
  }

  .site-nav {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 5px;
    overflow: visible;
  }

  .site-nav a {
    min-width: 0;
    padding: 7px 2px;
    font-size: 12px;
    text-align: center;
  }

  .logo-brand {
    width: 94px;
  }

  .logo-copy strong {
    font-size: 21px;
  }

  .hero-content h1,
  .page-hero h1 {
    font-size: 34px;
  }

  .section-heading h2,
  .section-intro h2,
  .cta-grid h2,
  .contact-panel h2 {
    font-size: 31px;
  }

  .section,
  .page-hero {
    padding: 64px 0;
  }

  .hero {
    padding: 38px 0 30px;
  }

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

  .hero-media {
    display: none;
  }

  .hero-points {
    margin-top: 18px;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }

  .info-list div,
  .contact-list div,
  .spec-table div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .feature-card,
  .service-block,
  .contact-panel,
  .inquiry-form,
  .product-card > div {
    padding: 22px;
  }

  .product-photo-pair {
    grid-template-columns: 1fr;
  }
}