:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5b6678;
  --line: #d9e1ea;
  --bg: #f5f8fb;
  --panel: #ffffff;
  --dark: #101a27;
  --green: #0aa36f;
  --green-2: #16c78f;
  --radius: 8px;
  font-family: Inter, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 9vw;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  color: #fff;
  background: var(--green);
  box-shadow: 0 14px 34px rgba(10, 163, 111, .25);
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  padding: 12px 14px;
  border-radius: 8px;
  color: #263346;
  font-weight: 700;
}

.nav a:hover,
.nav-cta {
  background: #e8fbf4;
  color: #047852;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  min-height: 610px;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, #111827, #1f2937);
  background-size: cover;
  background-position: center;
  color: #fff;
}

.hero-inner {
  width: min(980px, 82vw);
  margin: 0 auto;
  padding: 70px 0;
}

.eyebrow,
.meta {
  color: var(--green-2);
  font-weight: 800;
  letter-spacing: 0;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: 66px;
  line-height: 1.02;
  letter-spacing: 0;
}

.hero p:not(.eyebrow) {
  max-width: 700px;
  font-size: 22px;
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}

.button.ghost {
  color: #fff;
  border-color: rgba(255,255,255,.45);
}

.section {
  width: min(1180px, 84vw);
  margin: 0 auto;
  padding: 86px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.section-head h2 {
  margin: 0;
  font-size: 40px;
  letter-spacing: 0;
}

.section-head p {
  max-width: 560px;
  color: var(--muted);
  line-height: 1.6;
}

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

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

.card {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 42px rgba(15, 23, 42, .06);
}

.card img {
  height: 230px;
  object-fit: cover;
}

.card-body {
  padding: 24px;
}

.card h3 {
  margin: 8px 0 10px;
  font-size: 23px;
}

.card p,
.article,
.detail,
.contact-layout {
  color: var(--muted);
  line-height: 1.7;
}

dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 14px;
  margin: 18px 0 0;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

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

.feature-grid div,
.detail aside,
.rfq-form {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.detail,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 36px;
  align-items: start;
}

.article {
  font-size: 18px;
  background: #fff;
  border-radius: var(--radius);
}

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

.rfq-form label {
  display: grid;
  gap: 7px;
  color: #263346;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  font: inherit;
}

.hidden-input {
  position: absolute;
  left: -9999px;
}

.form-message {
  min-height: 24px;
  font-weight: 800;
}

.form-message.ok {
  color: #057a55;
}

.form-message.error {
  color: #b42318;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 48px 9vw;
  background: var(--dark);
  color: #d7e0eb;
}

.site-footer a {
  display: inline-block;
  margin-left: 18px;
}

@media (max-width: 900px) {
  .site-header {
    padding: 12px 16px;
    min-height: 70px;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }

  .nav.open {
    display: flex;
  }

  .brand strong {
    max-width: 210px;
    font-size: 14px;
  }

  .hero {
    min-height: 590px;
  }

  .hero-inner,
  .section {
    width: min(100% - 32px, 720px);
  }

  h1 {
    font-size: 37px;
  }

  .hero p:not(.eyebrow) {
    font-size: 18px;
  }

  .section {
    padding: 56px 0;
  }

  .section-head,
  .site-footer {
    display: block;
  }

  .cards,
  .feature-grid,
  .detail,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .section-head h2 {
    font-size: 31px;
  }

  .site-footer a {
    margin: 12px 18px 0 0;
  }
}