:root {
  --ink: #13211f;
  --muted: #5c6865;
  --line: #d8dfdb;
  --paper: #f6f4ef;
  --white: #ffffff;
  --teal: #0c6a63;
  --teal-dark: #084943;
  --green: #2f6f4e;
  --amber: #b87932;
  --shadow: 0 18px 48px rgba(13, 31, 29, 0.14);
  --max: 1180px;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
  border-radius: 6px;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(246, 244, 239, 0.9);
  border-bottom: 1px solid rgba(19, 33, 31, 0.08);
  backdrop-filter: blur(14px);
}

.header-inner {
  width: min(100% - 32px, var(--max));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(184, 121, 50, 0.72) 0 8%, transparent 9%),
    radial-gradient(circle at 70% 62%, rgba(184, 121, 50, 0.6) 0 7%, transparent 8%),
    linear-gradient(135deg, #111f1d, #0c6a63);
  color: var(--white);
  font-weight: 800;
  font-size: 0.86rem;
}

.brand strong {
  display: block;
  font-size: 1rem;
  line-height: 1.1;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.76rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 650;
  font-size: 0.93rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
  background: rgba(12, 106, 99, 0.09);
  outline: none;
}

.site-nav .nav-cta {
  color: var(--white);
  background: var(--teal);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  color: var(--white);
  background: var(--teal-dark);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  padding: 9px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 72vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 20, 19, 0.88) 0%, rgba(7, 20, 19, 0.68) 44%, rgba(7, 20, 19, 0.24) 100%),
    linear-gradient(0deg, rgba(7, 20, 19, 0.24), transparent 42%);
}

.hero-content {
  position: relative;
  width: min(100% - 32px, var(--max));
  margin: 96px auto 52px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 4rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.18rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button::after {
  width: 8px;
  height: 8px;
  content: "";
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}

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

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

.button.secondary {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: rgba(255, 255, 255, 0.18);
}

.proof-band {
  margin-top: -1px;
  padding: 0 0 18px;
  background: var(--white);
}

.proof-strip {
  max-width: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  transform: translateY(-36px);
}

.proof-strip div {
  padding: 18px;
  background: var(--white);
}

.proof-strip dt {
  margin-bottom: 6px;
  color: var(--teal-dark);
  font-weight: 800;
}

.proof-strip dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.section {
  padding: 86px 0;
}

.section-inner {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.section h2 {
  margin: 0;
  font-size: 2.55rem;
  line-height: 1.08;
  letter-spacing: 0;
}

.section h3 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.3;
}

.section p {
  color: var(--muted);
  line-height: 1.72;
}

.intro-section {
  padding: 28px 0 64px;
  background: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: start;
}

.intro-grid p:last-child {
  margin: 0;
  font-size: 1.05rem;
}

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

.section-heading p:last-child {
  margin-bottom: 0;
}

.section-heading.compact {
  margin-bottom: 26px;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.link-band {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: -12px 0 30px;
}

.link-band a,
.text-link {
  color: var(--teal-dark);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.program-card,
.spec-item,
.application-grid div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.7);
}

.program-card {
  min-height: 350px;
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.card-index {
  width: 46px;
  height: 30px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 999px;
  background: rgba(12, 106, 99, 0.1);
  color: var(--teal-dark);
  font-weight: 850;
}

.program-card p {
  margin: 16px 0 20px;
}

.program-card ul {
  display: grid;
  gap: 9px;
  margin: auto 0 0;
  padding-left: 20px;
  color: var(--ink);
}

.program-card li::marker {
  color: var(--teal);
}

.materials-section,
.capability-section {
  background: var(--white);
}

.material-grid,
.capability-grid,
.rfq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
  gap: 48px;
  align-items: center;
}

.intro-grid > *,
.material-grid > *,
.capability-grid > *,
.faq-grid > *,
.rfq-grid > * {
  min-width: 0;
}

.capability-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.image-panel {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: var(--line);
}

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

.image-panel.wide img {
  aspect-ratio: 3 / 2;
}

.table-wrap {
  max-width: 100%;
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  background: var(--white);
}

th,
td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #eef3f0;
  color: var(--ink);
  font-size: 0.82rem;
  text-transform: uppercase;
}

td {
  color: var(--muted);
  line-height: 1.55;
}

tr:last-child td {
  border-bottom: 0;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.application-grid div {
  min-height: 210px;
  padding: 22px;
}

.application-grid p {
  margin-bottom: 0;
}

.process-list {
  display: grid;
  gap: 16px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
}

.process-list li {
  position: relative;
  min-height: 72px;
  padding: 0 0 0 78px;
  counter-increment: process;
}

.process-list li::before {
  position: absolute;
  left: 0;
  top: 0;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  content: counter(process, decimal-leading-zero);
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  font-weight: 850;
}

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

.process-list span {
  margin-top: 5px;
  color: var(--muted);
  line-height: 1.55;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.spec-item {
  min-height: 145px;
  padding: 20px;
}

a.spec-item {
  color: inherit;
  text-decoration: none;
}

a.spec-item:hover,
a.spec-item:focus-visible {
  border-color: rgba(12, 106, 99, 0.42);
  background: var(--white);
  box-shadow: 0 14px 34px rgba(13, 31, 29, 0.1);
  outline: none;
}

.spec-item strong,
.spec-item span {
  display: block;
}

.spec-item span {
  margin-top: 9px;
  color: var(--muted);
  line-height: 1.55;
}

.faq-section {
  background: #eef3ef;
}

.seo-geo-faq {
  margin-top: 42px;
  padding: 26px;
  border: 1px solid rgba(12, 106, 99, 0.18);
  border-radius: 8px;
  background: #eef3ef;
}

.seo-geo-faq h2 {
  margin: 0 0 18px;
  font-size: 1.68rem;
  line-height: 1.2;
}

.article-main .seo-geo-faq h2 {
  margin-top: 0;
}

.seo-geo-faq .faq-item {
  padding: 18px 0;
  border-top: 1px solid rgba(12, 106, 99, 0.16);
}

.seo-geo-faq .faq-item:last-child {
  padding-bottom: 0;
}

.seo-geo-faq h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.35;
}

.seo-geo-faq p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.72;
}

.page-hero {
  position: relative;
  min-height: 56vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

.page-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(7, 20, 19, 0.88), rgba(7, 20, 19, 0.58) 54%, rgba(7, 20, 19, 0.26)),
    linear-gradient(0deg, rgba(7, 20, 19, 0.48), transparent 54%);
}

.page-hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 32px, var(--max));
  margin: 112px auto 58px;
}

.page-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: 3.35rem;
  line-height: 1.02;
  letter-spacing: 0;
}

.page-hero p:last-child {
  max-width: 720px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  line-height: 1.65;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 44px;
  align-items: start;
}

.article-main {
  min-width: 0;
}

.article-main h2 {
  margin-top: 42px;
}

.article-main h2:first-of-type {
  margin-top: 0;
}

.article-main p {
  font-size: 1.04rem;
}

.article-side {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.note-panel {
  padding: 20px;
  border: 1px solid rgba(12, 106, 99, 0.18);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 26px rgba(13, 31, 29, 0.08);
}

.note-panel strong {
  display: block;
  color: var(--ink);
  font-size: 1rem;
}

.note-panel p {
  margin-bottom: 0;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 26px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 42px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid rgba(12, 106, 99, 0.18);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 26px rgba(13, 31, 29, 0.08);
}

.faq-list summary {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.faq-list summary::after {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  content: "";
  border-right: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(45deg);
}

.faq-list details[open] summary::after {
  transform: rotate(225deg);
}

.faq-list p {
  margin: 0;
  padding: 0 18px 18px;
  color: var(--muted);
  line-height: 1.7;
}

.rfq-section {
  background: #eaf1ee;
}

.rfq-grid {
  align-items: start;
}

.contact-block {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(19, 33, 31, 0.14);
}

.contact-block span,
.contact-block a {
  display: block;
}

.contact-block span {
  color: var(--muted);
  font-weight: 700;
}

.contact-block a {
  margin-top: 8px;
  color: var(--teal-dark);
  font-size: 1.2rem;
  font-weight: 850;
}

.rfq-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 24px;
  border: 1px solid rgba(19, 33, 31, 0.14);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.rfq-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 750;
}

.rfq-form .full {
  grid-column: 1 / -1;
}

input,
textarea {
  width: 100%;
  border: 1px solid #cbd6d1;
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  background: #fbfcfb;
}

input:focus,
textarea:focus {
  border-color: var(--teal);
  outline: 3px solid rgba(12, 106, 99, 0.16);
}

textarea {
  resize: vertical;
}

.form-status {
  grid-column: 1 / -1;
  min-height: 24px;
  margin: 0;
  color: var(--teal-dark);
  font-weight: 700;
}

.site-footer {
  padding: 52px 0;
  background: var(--ink);
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.7fr 1fr;
  gap: 42px;
}

.footer-brand .brand-mark {
  background:
    radial-gradient(circle at 35% 30%, rgba(184, 121, 50, 0.8) 0 8%, transparent 9%),
    linear-gradient(135deg, #0c6a63, #2f6f4e);
}

.footer-grid p,
.footer-grid small {
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid a:not(.brand) {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.76);
  text-decoration: none;
}

.footer-grid a:hover {
  color: var(--white);
}

@media (max-width: 980px) {
  .hero h1 {
    max-width: 650px;
    font-size: 3rem;
  }

  .proof-strip,
  .program-grid,
  .intro-grid,
  .material-grid,
  .capability-grid,
  .faq-grid,
  .article-layout,
  .rfq-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .material-grid .image-panel {
    order: 2;
  }

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

@media (max-width: 760px) {
  .header-inner {
    min-height: 64px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 16px;
    right: 16px;
    display: none;
    grid-template-columns: 1fr;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    justify-content: flex-start;
  }

  .hero {
    min-height: 72svh;
  }

  .hero-content {
    margin-top: 88px;
  }

  .hero h1 {
    font-size: 2.35rem;
    line-height: 1.04;
  }

  .page-hero {
    min-height: 64svh;
  }

  .page-hero-content {
    margin-top: 92px;
  }

  .page-hero h1 {
    font-size: 2.3rem;
  }

  .page-hero p:last-child {
    font-size: 1rem;
  }

  .hero-lede {
    font-size: 1rem;
  }

  .proof-strip,
  .application-grid,
  .spec-grid,
  .check-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }

  .section h2 {
    font-size: 2rem;
  }

  .rfq-form {
    grid-template-columns: 1fr;
    padding: 18px;
  }
}

@media (max-width: 460px) {
  .brand small {
    display: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .button {
    width: 100%;
  }

  .program-card,
  .application-grid div,
  .spec-item {
    min-height: auto;
  }
}