:root {
  --green-950: #09251d;
  --green-900: #0d3529;
  --green-800: #104635;
  --green-700: #17684e;
  --green-600: #208560;
  --green-100: #e8f3ed;
  --gold-500: #d7a94b;
  --blue-700: #1e6178;
  --ink: #14211d;
  --muted: #62706b;
  --line: rgba(9, 37, 29, 0.14);
  --card: #ffffff;
  --soft: #f5f8f5;
  --shadow: 0 20px 60px rgba(9, 37, 29, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: #f7faf7;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-shell {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid rgba(23, 104, 78, 0.16);
  box-shadow: 0 10px 28px rgba(23, 104, 78, 0.25);
}
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.brand small { display: block; color: var(--muted); font-weight: 650; letter-spacing: 0; }
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: white;
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--green-900);
  font-weight: 750;
}
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > a,
.nav-item > button {
  border: 0;
  background: transparent;
  color: var(--green-950);
  font: inherit;
  font-size: 14px;
  font-weight: 750;
  padding: 14px 12px;
  cursor: pointer;
}
.nav-item { position: relative; }
.nav-item > button::after { content: "▾"; font-size: 11px; margin-left: 6px; }
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 320px;
  padding: 12px;
  border-radius: 22px;
  background: white;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: 0.2s ease;
}
.nav-item:hover > .dropdown,
.nav-item:focus-within > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega {
  left: auto;
  right: 0;
  min-width: min(920px, calc(100vw - 40px));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.products-mega {
  min-width: min(680px, calc(100vw - 40px));
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.menu-group {
  padding: 16px;
  border-radius: 16px;
  background: var(--soft);
}
.menu-group strong {
  display: block;
  margin-bottom: 10px;
  color: var(--green-800);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.menu-group a,
.dropdown > a {
  display: block;
  padding: 9px 10px;
  border-radius: 12px;
  color: #21342e;
  font-size: 14px;
  font-weight: 650;
}
.menu-group a:hover,
.dropdown > a:hover,
.main-nav > a:hover,
.nav-item > button:hover {
  background: var(--green-100);
  color: var(--green-800);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 13px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--green-700);
  color: white;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(23, 104, 78, 0.22);
}
.btn:hover { background: var(--green-800); transform: translateY(-1px); }
.btn.secondary {
  color: var(--green-900);
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(255, 255, 255, 0.75);
  box-shadow: none;
}
.btn.ghost {
  color: var(--green-800);
  background: white;
  border-color: var(--line);
  box-shadow: none;
}
.hero {
  position: relative;
  min-height: 700px;
  display: grid;
  align-items: center;
  color: white;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(9, 37, 29, 0.76), rgba(9, 37, 29, 0.34) 48%, rgba(9, 37, 29, 0.04));
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  z-index: 0;
}
.hero .container { position: relative; z-index: 2; }
.hero-card { width: min(760px, 100%); padding: 80px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: #dff2e7;
  font-weight: 850;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.eyebrow::before {
  content: "";
  width: 38px;
  height: 2px;
  background: var(--gold-500);
}
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -0.03em; }
h1 { font-size: clamp(42px, 6vw, 76px); }
h2 { font-size: clamp(30px, 4vw, 48px); color: var(--green-950); }
h3 { font-size: 22px; color: var(--green-950); }
p { margin: 0; color: var(--muted); }
.hero p {
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
  max-width: 660px;
}
.hero h1,
.hero p {
  text-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.page-hero {
  padding: 92px 0 58px;
  background:
    radial-gradient(circle at top right, rgba(215, 169, 75, 0.22), transparent 34%),
    linear-gradient(135deg, var(--green-950), var(--green-700));
  color: white;
}
.page-hero h1 { max-width: 900px; font-size: clamp(38px, 5vw, 64px); }
.page-hero p { max-width: 760px; margin-top: 20px; color: rgba(255, 255, 255, 0.84); font-size: 18px; }
section { padding: 82px 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 34px;
}
.section-head p { max-width: 660px; margin-top: 14px; }
.kicker {
  color: var(--green-700);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.grid { display: grid; gap: 22px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border-radius: 26px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 12px 38px rgba(9, 37, 29, 0.07);
  overflow: hidden;
  transition: 0.2s ease;
}
a.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-image {
  height: 220px;
  background: var(--green-100);
  overflow: hidden;
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card-body .link { margin-top: auto; color: var(--green-700); font-weight: 850; }
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-800);
  font-size: 13px;
  font-weight: 750;
}
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 42px;
  align-items: center;
}
.media-frame {
  border-radius: 32px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: white;
}
.media-frame img { width: 100%; height: 430px; object-fit: cover; }
.feature {
  padding: 24px;
  border-radius: 24px;
  background: white;
  border: 1px solid var(--line);
}
.feature h3 { font-size: 19px; margin-bottom: 10px; }
.product-card .card-image { height: 170px; }
.product-card .card-body { padding: 20px; }
.product-card h3 { font-size: 20px; }
.project-shot {
  margin: 0;
  overflow: hidden;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.project-shot img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.project-shot figcaption {
  display: grid;
  gap: 8px;
  padding: 20px;
  color: rgba(255, 255, 255, 0.78);
}
.project-shot strong {
  color: white;
  font-size: 18px;
  line-height: 1.25;
}
.band {
  background: linear-gradient(135deg, var(--green-950), var(--green-700));
  color: white;
}
.band h2, .band h3 { color: white; }
.band p { color: rgba(255, 255, 255, 0.78); }
.process-card {
  counter-increment: step;
  padding: 26px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.process-card::before {
  content: "0" counter(step);
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(215, 169, 75, 0.26);
  color: #ffe2a4;
  font-weight: 900;
}
.cta {
  padding: 58px;
  border-radius: 34px;
  background:
    linear-gradient(90deg, rgba(9, 37, 29, 0.9), rgba(23, 104, 78, 0.78)),
    url("../images/hero-green-mining-cover.png");
  background-size: cover;
  background-position: center;
  color: white;
}
.cta h2 { color: white; max-width: 780px; }
.cta p { color: rgba(255, 255, 255, 0.82); margin-top: 16px; max-width: 720px; }
.cta .hero-actions { margin-top: 26px; }
.form-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 30px;
  align-items: start;
}
.form-card {
  padding: 30px;
  border-radius: 28px;
  background: white;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.mock-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.mock-form label { display: grid; gap: 7px; color: var(--green-900); font-weight: 750; font-size: 13px; }
.mock-form input,
.mock-form select,
.mock-form textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 12px;
  color: var(--muted);
  background: #fbfdfb;
  font: inherit;
}
.mock-form .full { grid-column: 1 / -1; }
.mock-form textarea { min-height: 120px; resize: vertical; }
.site-footer {
  padding: 58px 0 30px;
  background: var(--green-950);
  color: white;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 34px;
}
.site-footer h3 { color: white; font-size: 16px; margin-bottom: 14px; }
.site-footer p,
.site-footer a {
  color: rgba(255, 255, 255, 0.72);
  display: block;
  margin: 8px 0;
}
.copyright {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
}

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute;
    inset: 78px 20px auto 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border-radius: 24px;
    background: white;
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
    max-height: calc(100vh - 96px);
    overflow-y: auto;
  }
  .main-nav.open { display: flex; }
  .main-nav > a,
  .nav-item > button { width: 100%; text-align: left; }
  .dropdown,
  .mega {
    position: static;
    min-width: auto;
    width: 100%;
    box-shadow: none;
    border-radius: 18px;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    margin: 4px 0 10px;
  }
  .nav-item.open > .dropdown,
  .nav-item.open > .mega { display: grid; }
  .mega { grid-template-columns: 1fr; }
  .hero { min-height: 650px; }
  .grid.three, .grid.four, .split, .form-shell, .footer-grid { grid-template-columns: 1fr; }
  .section-head { display: block; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1180px); }
  section { padding: 58px 0; }
  .hero-card { padding: 58px 0; }
  .page-hero { padding: 70px 0 44px; }
  .card-image { height: 190px; }
  .media-frame img { height: 300px; }
  .cta { padding: 34px 24px; }
  .mock-form { grid-template-columns: 1fr; }
  .brand small { display: none; }
}