:root {
  --ink: #18211f;
  --muted: #65716d;
  --subtle: #8a928f;
  --surface: #ffffff;
  --surface-soft: #f4f7f3;
  --wash: #eaf1ec;
  --line: rgba(24, 33, 31, 0.12);
  --line-strong: rgba(24, 33, 31, 0.2);
  --green: #0f5b4d;
  --green-dark: #073d35;
  --blue: #2f7180;
  --copper: #b67a3a;
  --warm: #f3eadc;
  --shadow: 0 22px 70px rgba(12, 39, 35, 0.16);
  --header-height: 76px;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--surface-soft);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 18px;
  top: -80px;
  z-index: 80;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  border-radius: 6px;
}

.skip-link:focus {
  top: 14px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-height);
  background: rgba(247, 249, 246, 0.9);
  border-bottom: 1px solid rgba(24, 33, 31, 0.08);
  backdrop-filter: blur(18px);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 40px rgba(18, 34, 31, 0.08);
}

.header-inner {
  width: min(1180px, calc(100% - 48px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 8px;
  object-fit: contain;
  display: block;
}

.brand-name {
  font-size: 34px;
  font-weight: 750;
  letter-spacing: 0.02em;
  white-space: nowrap;
  line-height: 1;
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 26px;
  color: #3f4d49;
  font-size: 14px;
}

.nav-links a {
  position: relative;
  padding: 26px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.header-mail {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 650;
  transition: border-color 160ms ease, background 160ms ease;
}

.header-mail:hover,
.header-mail:focus-visible {
  background: #fff;
  border-color: rgba(15, 91, 77, 0.36);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  border-radius: 999px;
  transition: transform 180ms ease, opacity 180ms ease;
}

body.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

body.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-panel {
  display: none;
}

.hero {
  position: relative;
  min-height: 720px;
  height: calc(100svh - 116px);
  max-height: 820px;
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  background: #15221f url("./assets/company-hero.webp") center / cover no-repeat;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(4, 23, 20, 0.76) 0%, rgba(4, 23, 20, 0.58) 38%, rgba(4, 23, 20, 0.18) 72%, rgba(4, 23, 20, 0.1) 100%),
    linear-gradient(0deg, rgba(7, 30, 27, 0.45), rgba(7, 30, 27, 0.05) 42%);
}

.hero-inner {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding-top: 10px;
  color: #fff;
}

.eyebrow {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 750;
}

.eyebrow.dark {
  color: var(--green);
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 64px;
  line-height: 1.12;
  font-weight: 850;
}

.hero-lede {
  max-width: 610px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 20px;
}

.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 750;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 18px 44px rgba(3, 50, 42, 0.22);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--green-dark);
}

.btn-light {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.1);
}

.btn-outline {
  color: var(--green-dark);
  border: 1px solid rgba(15, 91, 77, 0.34);
  background: transparent;
}

.hero-footer {
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: min(1180px, calc(100% - 48px));
  display: flex;
  justify-content: space-between;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.64);
  font-size: 12px;
  text-transform: uppercase;
}

.section {
  padding: 96px 0;
}

.section-inner {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.two-column {
  display: grid;
  grid-template-columns: 0.8fr 1.7fr;
  gap: 72px;
  align-items: start;
}

.section-kicker {
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
}

.section-copy h2,
.section-heading h2,
.contact-inner h2 {
  margin: 0;
  color: var(--ink);
  font-size: 42px;
  line-height: 1.2;
  font-weight: 820;
}

.section-copy p {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.fact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 42px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.fact-row div {
  min-height: 132px;
  padding: 24px;
  background: #fff;
}

.fact-row b {
  display: block;
  margin-bottom: 16px;
  color: var(--green-dark);
  font-size: 32px;
  line-height: 1;
}

.fact-row span {
  color: var(--muted);
  font-size: 15px;
}

.capability-section {
  background: #fff;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 52px;
}

.capability-list {
  display: grid;
  gap: 28px;
}

.capability-item {
  display: grid;
  grid-template-columns: minmax(260px, 0.86fr) 1fr;
  align-items: center;
  gap: 44px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.capability-item:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 91, 77, 0.22);
  box-shadow: var(--shadow);
}

.capability-item.reverse {
  grid-template-columns: 1fr minmax(260px, 0.86fr);
}

.capability-item.reverse img {
  order: 2;
}

.capability-item img {
  width: 100%;
  aspect-ratio: 1.4;
  object-fit: cover;
  border-radius: 8px;
}

.item-index {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--copper);
  font-size: 13px;
  font-weight: 850;
}

.capability-item h3,
.product-panel h3 {
  margin: 0;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.25;
}

.capability-item p,
.product-panel p,
.principle span,
.site-footer p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.product-section {
  background:
    linear-gradient(135deg, rgba(15, 91, 77, 0.1), transparent 32%),
    linear-gradient(225deg, rgba(47, 113, 128, 0.12), transparent 36%),
    var(--wash);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.product-panel {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid rgba(15, 91, 77, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  transition: transform 180ms ease, background 180ms ease;
}

.product-panel:hover {
  transform: translateY(-4px);
  background: #fff;
}

.product-label {
  width: fit-content;
  margin-bottom: 24px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(15, 91, 77, 0.09);
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

.product-panel a {
  margin-top: auto;
  color: var(--green-dark);
  font-size: 15px;
  font-weight: 800;
}

.product-panel a:hover,
.product-panel a:focus-visible {
  color: var(--copper);
}

.principles-section {
  background: var(--green-dark);
  color: #fff;
}

.principles-section .section-heading h2,
.principles-section .eyebrow {
  color: #fff;
}

.principles-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}

.principles-list {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.16);
}

.principle {
  padding: 26px;
  background: rgba(255, 255, 255, 0.08);
}

.principle b {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
}

.principle span {
  display: block;
  color: rgba(255, 255, 255, 0.72);
}

.contact-section {
  padding: 104px 0;
  background: #fff;
}

.contact-inner {
  width: min(920px, calc(100% - 48px));
  margin: 0 auto;
  text-align: center;
}

.contact-actions {
  justify-content: center;
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 48px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  text-align: left;
}

.contact-list div {
  padding: 24px;
  background: var(--surface-soft);
}

.contact-list dt {
  margin: 0 0 8px;
  color: var(--subtle);
  font-size: 13px;
  font-weight: 750;
}

.contact-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 720;
  overflow-wrap: anywhere;
}

.contact-list a:hover,
.contact-list a:focus-visible {
  color: var(--green);
}

.site-footer {
  padding: 34px 0;
  background: #101917;
  color: #fff;
}

.footer-inner {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 32px;
}

.footer-inner strong {
  display: block;
  font-size: 16px;
}

.site-footer p {
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 12px 18px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: #fff;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1040px) {
  .header-inner {
    gap: 18px;
  }

  .nav-links {
    gap: 18px;
  }

  .hero h1 {
    font-size: 52px;
  }

  .two-column,
  .principles-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .product-panel {
    min-height: auto;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 68px;
  }

  .header-inner {
    width: min(100% - 32px, 1180px);
  }

  .brand-name {
    max-width: 56vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-sub,
  .nav-links,
  .header-mail {
    display: none;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .mobile-panel {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--header-height);
    display: block;
    padding: 18px 16px 22px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 22px 60px rgba(18, 34, 31, 0.12);
    opacity: 0;
    transform: translateY(-14px);
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  body.menu-open .mobile-panel {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .mobile-links {
    display: grid;
    gap: 4px;
  }

  .mobile-links a,
  .mobile-mail {
    display: block;
    padding: 14px 10px;
    border-radius: 8px;
    color: var(--ink);
    font-weight: 720;
  }

  .mobile-links a:hover,
  .mobile-mail:hover,
  .mobile-links a:focus-visible,
  .mobile-mail:focus-visible {
    background: var(--surface-soft);
  }

  .mobile-mail {
    margin-top: 10px;
    color: var(--green);
  }

  .hero {
    min-height: 620px;
    height: auto;
    padding: 96px 0 90px;
    background-position: 58% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(4, 23, 20, 0.84) 0%, rgba(4, 23, 20, 0.64) 62%, rgba(4, 23, 20, 0.4) 100%),
      linear-gradient(0deg, rgba(7, 30, 27, 0.48), rgba(7, 30, 27, 0.08) 42%);
  }

  .hero-inner,
  .hero-footer,
  .section-inner,
  .contact-inner,
  .footer-inner {
    width: calc(100% - 32px);
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero-lede {
    font-size: 17px;
  }

  .hero-footer {
    bottom: 18px;
  }

  .section,
  .contact-section {
    padding: 70px 0;
  }

  .section-copy h2,
  .section-heading h2,
  .contact-inner h2 {
    font-size: 32px;
  }

  .section-copy p {
    font-size: 16px;
  }

  .fact-row,
  .contact-list {
    grid-template-columns: 1fr;
  }

  .capability-item,
  .capability-item.reverse {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 18px;
  }

  .capability-item.reverse img {
    order: 0;
  }

  .capability-item h3,
  .product-panel h3 {
    font-size: 24px;
  }

  .footer-inner {
    display: grid;
  }

  .footer-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-name {
    max-width: 62vw;
    font-size: 14px;
  }

  .hero {
    min-height: 600px;
    padding-top: 76px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-actions,
  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-footer {
    display: none;
  }

  .section-copy h2,
  .section-heading h2,
  .contact-inner h2 {
    font-size: 28px;
  }

  .product-panel,
  .principle,
  .fact-row div,
  .contact-list div {
    padding: 22px;
  }
}