:root {
  --ink: #19211e;
  --muted: #66726d;
  --line: #dfe5e1;
  --paper: #f7f6f1;
  --white: #ffffff;
  --green: #315c4b;
  --green-dark: #203d33;
  --steel: #e7ecea;
  --copper: #b86f43;
}

* {
  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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 5vw;
  background: rgba(247, 246, 241, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--white);
  background: var(--green);
  border-radius: 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 15px;
}

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

.hero {
  position: relative;
  min-height: 680px;
  display: grid;
  align-items: center;
  padding: 88px 5vw 140px;
  overflow: hidden;
  color: var(--white);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 25, 22, 0.83), rgba(17, 25, 22, 0.44), rgba(17, 25, 22, 0.18)),
    url("https://images.unsplash.com/photo-1556910103-1c02745aae4d?auto=format&fit=crop&w=1900&q=82") center / cover;
}

.hero-content {
  position: relative;
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--copper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f2b37f;
}

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

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.25;
}

.hero-copy {
  max-width: 640px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 19px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
}

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

.button.primary:hover {
  background: var(--green-dark);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.65);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.button.full {
  width: 100%;
  margin-top: 14px;
}

.section {
  padding: 88px 5vw;
}

.intro,
.factory,
.quality,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1fr);
  gap: 54px;
  align-items: start;
}

.intro p,
.factory p,
.quality p,
.contact p {
  margin-top: 0;
  color: var(--muted);
  font-size: 18px;
}

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

.featured-product {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(320px, 1.05fr);
  gap: 38px;
  align-items: start;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.product-photo-block {
  display: grid;
  gap: 14px;
}

.product-main-photo,
.product-thumbs img {
  width: 100%;
  object-fit: cover;
  background: var(--steel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.product-main-photo {
  aspect-ratio: 1 / 1;
}

.product-thumbs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.product-thumbs img {
  aspect-ratio: 1 / 1;
}

.product-detail {
  min-width: 0;
  padding: 10px 0;
}

.product-detail h3 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
}

.product-detail p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0;
}

.spec-grid div {
  padding: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.spec-grid span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.spec-grid strong {
  display: block;
  margin-top: 5px;
  font-size: 15px;
  line-height: 1.3;
}

.feature-list {
  display: grid;
  gap: 10px;
  margin: 0 0 28px;
  padding-left: 20px;
  color: var(--muted);
}

.category-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.category-strip span {
  padding: 10px 14px;
  color: var(--green-dark);
  background: var(--steel);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
}

.service-item p {
  margin: 0;
  color: var(--muted);
}

.services {
  background: var(--white);
}

.factory {
  background: var(--steel);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.service-item {
  min-width: 0;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.service-item span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--copper);
  font-weight: 700;
}

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

.check-list li {
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact {
  background: var(--green-dark);
  color: var(--white);
}

.contact p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-panel {
  padding: 30px;
  background: var(--white);
  color: var(--ink);
  border-radius: 8px;
}

.contact-panel p {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 16px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 5vw;
  color: var(--muted);
  background: var(--white);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .intro,
  .quality,
  .contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    padding: 18px 20px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    font-size: 14px;
  }

  .hero {
    min-height: 620px;
    padding: 70px 20px 110px;
  }

  h1 {
    font-size: 42px;
  }

  .section {
    padding: 64px 20px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .featured-product {
    padding: 16px;
  }

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

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}

/* ---- Inquiry form ---- */
.inquiry-form {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}
.inquiry-form label {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: left;
}
.inquiry-form input,
.inquiry-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 8px;
  font: inherit;
  font-weight: 400;
  background: #fff;
  color: #1a1a1a;
}
.inquiry-form input:focus,
.inquiry-form textarea:focus {
  outline: 2px solid #2f6f4f;
  outline-offset: 1px;
  border-color: #2f6f4f;
}
.inquiry-form .hp-field {
  position: absolute;
  left: -9999px;
  height: 0;
  width: 0;
  opacity: 0;
}
.form-status {
  min-height: 1.2em;
  font-size: 0.85rem;
  margin: 0;
  text-align: center;
}
.form-status.success { color: #1e7a45; font-weight: 600; }
.form-status.error { color: #b3372f; font-weight: 600; }