@font-face {
  font-family: Rajdhani;
  src: url("../fonts/rajdhani-500.woff2");
}
@font-face {
  font-family: Rajdhani;
  src: url("../fonts/rajdhani-700.woff2");
  font-weight: 700;
}
:root {
  --ink: #141617;
  --paper: #f4f1e9;
  --muted: #6b6a65;
  --accent: #ba613d;
  --line: color-mix(in srgb, var(--ink) 19%, transparent);
  --display: Rajdhani, Arial, sans-serif;
  --body: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.55;
}
a {
  color: inherit;
  text-decoration: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
.shell {
  padding-inline: max(5vw, 28px);
}
.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  background: var(--paper);
  padding: 10px 14px;
  z-index: 9;
}
.skip-link:focus {
  top: 12px;
}
.wordmark {
  font: 700 1.15rem/1 var(--display);
  letter-spacing: 0.08em;
}
.wordmark span {
  color: var(--accent);
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  font-family: var(--display);
  text-transform: uppercase;
  line-height: 0.94;
  letter-spacing: -0.025em;
}
h1 {
  font-size: clamp(3rem, 7vw, 7.75rem);
  font-weight: 700;
}
h2 {
  font-size: clamp(2.3rem, 4vw, 4.75rem);
}
h3 {
  font-size: 1.35rem;
}
em {
  font-style: normal;
  color: var(--accent);
}
.button,
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.25rem;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  padding: 0.96rem 1.1rem;
  font: 700 1rem/1 var(--display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}
.button:hover {
  background: transparent;
  color: var(--accent);
}
.button-dark {
  background: var(--ink);
}
.button-dark:hover {
  color: var(--ink);
  border-color: var(--ink);
}
.button-outline {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.button-outline:hover {
  background: var(--paper);
  color: var(--ink);
}
.site-header {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  padding: 1.1rem max(5vw, 28px);
  position: relative;
  z-index: 5;
}
.site-header nav {
  display: flex;
  gap: clamp(1rem, 2vw, 2.25rem);
  margin-left: auto;
}
.site-header nav a,
.header-cta {
  font: 700 0.9rem/1 var(--display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.site-header nav a:hover {
  color: var(--accent);
}
.header-cta {
  padding: 0.7rem 0.9rem;
}
.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: inherit;
  font: 700 1rem var(--display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
/* catalog */
.catalog {
  background: #ebe8df;
}
.catalog-intro {
  display: grid;
  gap: 3rem;
  min-height: 43vh;
  padding-block: 8rem 5rem;
}
.catalog-intro .wordmark {
  font-size: clamp(2rem, 5vw, 5rem);
}
.catalog-copy {
  font: 400 clamp(1.6rem, 3vw, 3.5rem) / 1.1 var(--display);
  max-width: 24ch;
}
.variant-list {
  border-top: 1px solid var(--line);
}
.variant-choice {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(220px, 33vw) 1fr auto;
  min-height: 29vh;
  padding-right: max(5vw, 28px);
  transition: background 0.25s;
}
.variant-choice:hover {
  background: #ddd8cd;
}
.choice-image {
  align-self: stretch;
  background: center/cover no-repeat;
}
.variant-choice-forge .choice-image {
  background-image: url("../images/forge/hero.webp");
}
.variant-choice-terrain .choice-image {
  background-image: url("../images/terrain/hero.webp");
}
.variant-choice-sentinel .choice-image {
  background-image: url("../images/sentinel/hero.webp");
}
.choice-copy strong {
  display: block;
  font: 700 clamp(2.6rem, 5vw, 6rem) / 0.85 var(--display);
  text-transform: uppercase;
}
.choice-copy small {
  font-size: 0.95rem;
}
.choice-arrow {
  font: 400 clamp(2rem, 5vw, 5rem) / 1 var(--display);
  color: var(--accent);
}
/* forge */
.variant-forge {
  --ink: #161717;
  --paper: #efede6;
  --accent: #bf6542;
  background: var(--ink);
  color: var(--paper);
}
.variant-forge .site-header {
  border-color: #ffffff24;
}
.variant-forge .hero {
  min-height: calc(100svh - 76px);
  position: relative;
}
.hero-photo {
  background: center/cover no-repeat url("../images/forge/hero.webp");
  min-height: calc(100svh - 76px);
}
.hero-photo::after,
.terrain-photo::after,
.sentinel-photo::after {
  background: linear-gradient(90deg, #000c 0%, #0004 40%, transparent 75%);
  content: "";
  inset: 0;
  position: absolute;
}
.hero-copy {
  bottom: clamp(2rem, 8vw, 7rem);
  left: max(5vw, 28px);
  max-width: 760px;
  position: absolute;
  z-index: 1;
}
.hero-copy h1 {
  margin-bottom: 2rem;
}
.hero-copy p:not(.project-label) {
  font-size: 1.1rem;
  max-width: 38ch;
}
.project-label,
.project-feature-copy > p,
.terrain-projects > div > p,
.area-section p:first-child,
.sentinel-projects p,
.systems-section p:first-child {
  color: var(--accent);
  font: 700 0.8rem var(--display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.service-rail {
  border-block: 1px solid #ffffff26;
  display: flex;
  gap: 1.5rem;
  overflow: auto;
  padding: 1.25rem max(5vw, 28px);
  white-space: nowrap;
}
.service-rail span {
  color: var(--accent);
  font: 700 0.9rem var(--display);
  text-transform: uppercase;
}
.service-rail a {
  border-left: 1px solid #ffffff38;
  padding-left: 1.5rem;
}
.materials {
  background: var(--paper);
  color: var(--ink);
  display: grid;
  gap: 3rem;
  grid-template-columns: 0.8fr 2fr;
  padding-block: 7rem;
}
.materials a,
.terrain-projects a,
.area-section a {
  color: var(--accent);
  font: 700 0.95rem var(--display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.material-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}
.material-list article {
  margin: 0;
}
.material-list h3 {
  margin: 1rem 0 0.2rem;
}
.material-list p {
  color: #62625e;
  font-size: 0.85rem;
}
.material-shot {
  background: center/cover;
  height: 300px;
  display: block;
}
.steel {
  background-image: url("../images/forge/detail.webp");
}
.aluminum {
  background-image: url("../images/forge/support.webp");
}
.rail {
  background-image: url("../images/forge/hero.webp");
}
.project-feature {
  background: #1b1c1d;
  display: grid;
  gap: 4rem;
  grid-template-columns: 0.8fr 1.3fr;
  padding: 7rem max(5vw, 28px);
}
.project-feature-copy {
  max-width: 430px;
}
.project-feature-copy h2 {
  font-size: clamp(2.25rem, 3.6vw, 4rem);
}
.project-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1.4fr 1fr;
}
.project-grid span {
  background-position: center;
  background-size: cover;
  display: block;
  min-height: 180px;
}
.project-a {
  background: url("../images/forge/support.webp") center/cover no-repeat;
  grid-row: span 2;
}
.project-b {
  background: url("../images/forge/hero.webp") center/cover no-repeat;
}
.project-c {
  background: url("../images/forge/detail.webp") center/cover no-repeat;
}
.approach {
  background: var(--paper);
  color: var(--ink);
  display: grid;
  gap: 5rem;
  grid-template-columns: 1fr 1fr;
  padding-block: 7rem;
}
.approach > div p {
  max-width: 35ch;
}
.approach ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.approach li {
  border-top: 1px solid #23232336;
  display: flex;
  gap: 2rem;
  padding: 1.25rem 0;
}
.approach li strong {
  color: var(--accent);
  font: 700 1.1rem var(--display);
}
.approach li b,
.approach li span {
  display: block;
}
.contact-band {
  align-items: start;
  background: var(--accent);
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr 1fr;
  padding: 5rem max(5vw, 28px);
}
.contact-band h2 {
  font-size: clamp(2.5rem, 5vw, 5.75rem);
  max-width: 8ch;
}
.estimate-form,
.hero-form,
.scope-form {
  display: grid;
  gap: 1rem;
}
.estimate-form label,
.hero-form label,
.scope-form label {
  display: grid;
  font-size: 0.8rem;
  font-weight: 600;
  gap: 0.4rem;
}
.estimate-form input,
.estimate-form select,
.hero-form input,
.hero-form select,
.scope-form select {
  appearance: none;
  background: #fff;
  border: 1px solid #16171755;
  border-radius: 0;
  color: #161717;
  font: 400 1rem var(--body);
  padding: 0.85rem;
}
.estimate-form .button {
  align-self: start;
  background: var(--ink);
  border-color: var(--ink);
}
.form-message {
  font-size: 0.8rem;
  margin: 0;
  min-height: 1.4em;
}
/* terrain */
.variant-terrain {
  --ink: #1e3325;
  --paper: #f4f1e8;
  --accent: #be623d;
}
.variant-terrain .site-header {
  background: var(--paper);
}
.terrain-hero {
  min-height: calc(100svh - 76px);
  position: relative;
}
.terrain-photo {
  background: center/cover no-repeat url("../images/terrain/hero.webp");
  min-height: calc(100svh - 76px);
}
.terrain-photo::after {
  background: linear-gradient(90deg, #152519a8, transparent 64%);
}
.terrain-copy {
  bottom: clamp(2rem, 8vw, 7rem);
  color: #fff;
  left: max(5vw, 28px);
  max-width: 600px;
  position: absolute;
  z-index: 1;
}
.terrain-copy h1 {
  font-family: Georgia, serif;
  font-size: clamp(3.2rem, 6.5vw, 7rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  text-transform: none;
}
.terrain-copy .button {
  background: var(--ink);
  border-color: var(--ink);
}
.terrain-copy .button:hover {
  background: transparent;
  color: #fff;
}
.hero-form {
  background: var(--paper);
  color: var(--ink);
  max-width: 360px;
  padding: 2rem;
  position: absolute;
  right: max(5vw, 28px);
  top: clamp(2rem, 10vw, 8rem);
  width: calc(100% - 56px);
  z-index: 1;
}
.hero-form > p {
  color: var(--accent);
  font: 700 0.8rem var(--display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0;
}
.hero-form h2 {
  font-family: Georgia, serif;
  font-size: 2.5rem;
  font-weight: 400;
  text-transform: none;
}
.hero-form .button {
  margin-top: 0.5rem;
}
.material-strip {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 1.25rem;
  justify-content: space-between;
  overflow: auto;
  padding-block: 2.5rem;
  white-space: nowrap;
}
.material-strip h2 {
  font-size: 1.1rem;
  margin: 0;
}
.material-strip a {
  font: 700 0.85rem var(--display);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.terrain-projects {
  display: grid;
  gap: 3rem;
  grid-template-columns: 0.7fr 1.6fr;
  padding-block: 7rem;
}
.terrain-projects h2,
.area-section h2,
.terrain-contact h2 {
  font-family: Georgia, serif;
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  text-transform: none;
}
.terrain-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1.2fr 1fr;
}
.terrain-grid span {
  background-position: center;
  background-size: cover;
  min-height: 210px;
}
.terrain-a {
  background: url("../images/terrain/support.webp") center/cover no-repeat;
  grid-row: span 2;
}
.terrain-b {
  background: url("../images/terrain/hero.webp") center/cover no-repeat;
}
.terrain-c {
  background: url("../images/terrain/detail.webp") center/cover no-repeat;
}
.area-section {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 0.8fr 1.4fr;
}
.area-section > div:first-child {
  padding: 5rem max(5vw, 28px);
}
.map-panel {
  background: center/cover url("../images/terrain/detail.webp");
  min-height: 440px;
}
.terrain-contact {
  background: var(--ink);
  color: var(--paper);
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr auto;
  padding: 5rem max(5vw, 28px);
}
.terrain-contact h2 {
  margin: 0;
}
.terrain-contact .button {
  align-self: center;
  background: transparent;
  border-color: #ffffff66;
}
.terrain-contact .button:hover {
  background: var(--paper);
  color: var(--ink);
}
/* sentinel */
.variant-sentinel {
  --ink: #202426;
  --paper: #eff0ee;
  --accent: #f16b24;
}
.variant-sentinel .site-header {
  background: var(--ink);
  border-color: #ffffff22;
  color: var(--paper);
}
.sentinel-hero {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  min-height: calc(100svh - 76px);
}
.sentinel-photo {
  background: center/cover no-repeat url("../images/sentinel/hero.webp");
  min-height: calc(100svh - 76px);
  position: relative;
}
.sentinel-photo::after {
  background: linear-gradient(0deg, #091014c7, transparent 64%);
}
.sentinel-photo > div {
  bottom: clamp(2rem, 6vw, 5rem);
  color: white;
  left: max(8%, 28px);
  max-width: 570px;
  position: absolute;
  z-index: 1;
}
.sentinel-photo h1 {
  font-size: clamp(3rem, 5.5vw, 6rem);
}
.sentinel-photo p {
  max-width: 38ch;
}
.scope-form {
  background: #272c2e;
  color: #f3f2ed;
  padding: clamp(2.5rem, 6vw, 6rem) clamp(1.5rem, 4vw, 4rem);
}
.scope-form h2 {
  font-size: clamp(2.3rem, 4vw, 4.5rem);
}
.scope-form label {
  border-top: 1px solid #ffffff26;
  padding-top: 1rem;
}
.scope-form label b {
  font: 700 1rem var(--display);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.scope-form select {
  background: transparent;
  border-color: #ffffff54;
  color: #fff;
}
.scope-form .button {
  margin-top: 1rem;
}
.capability-band {
  display: grid;
  gap: 3rem;
  grid-template-columns: 0.7fr 1.6fr;
  padding-block: 6rem;
}
.capability-band > div:last-child {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
}
.capability-band article {
  border-left: 1px solid var(--line);
  padding-left: 1.25rem;
}
.capability-band h3 {
  font-size: 1.25rem;
}
.capability-band p,
.systems-section p {
  font-size: 0.9rem;
}
.systems-section {
  background: #e0e2df;
  display: grid;
  gap: 3rem;
  grid-template-columns: 0.7fr 1.6fr;
  padding-block: 6rem;
}
.diagram-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}
.diagram-row span {
  align-content: center;
  background:
    repeating-linear-gradient(90deg, transparent 0 12px, #1f252633 13px 14px),
    repeating-linear-gradient(0deg, transparent 0 12px, #1f252633 13px 14px);
  border: 1px solid #20242644;
  display: grid;
  font: 700 1.5rem/0.95 var(--display);
  min-height: 220px;
  padding: 1.5rem;
  text-transform: uppercase;
}
.sentinel-projects {
  display: grid;
  gap: 3rem;
  grid-template-columns: 0.6fr 1.7fr;
  padding-block: 7rem;
}
.sentinel-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, 1fr);
}
.sentinel-grid span {
  background-position: center;
  background-size: cover;
  min-height: 260px;
}
.sentinel-a {
  background: url("../images/sentinel/support.webp") center/cover no-repeat;
}
.sentinel-b {
  background: url("../images/sentinel/hero.webp") center/cover no-repeat;
}
.sentinel-c {
  background: url("../images/sentinel/detail.webp") center/cover no-repeat;
}
.sentinel-contact {
  align-items: center;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  gap: 3rem;
  justify-content: space-between;
  padding: 4rem max(5vw, 28px);
}
.sentinel-contact h2 {
  font-size: clamp(2.3rem, 4vw, 4rem);
  margin: 0;
}
.sentinel-contact p {
  margin: 1rem 0 0;
  max-width: 56ch;
}
footer {
  align-items: start;
  background: #111314;
  color: #f4f1e9;
  display: grid;
  gap: 2rem;
  grid-template-columns: auto 1fr auto;
  padding: 2.5rem max(5vw, 28px);
}
footer p {
  font-size: 0.8rem;
  max-width: 52ch;
  margin: 0;
}
footer > a:last-child {
  color: var(--accent);
  font: 700 0.85rem var(--display);
  text-transform: uppercase;
}
@media (max-width: 900px) {
  .site-header {
    flex-wrap: wrap;
  }
  .menu-toggle {
    display: block;
    margin-left: auto;
  }
  .site-header nav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    margin: 1rem 0 0;
    order: 5;
  }
  .site-header nav.is-open {
    display: flex;
  }
  .header-cta {
    display: none;
  }
  .hero-copy {
    max-width: 520px;
  }
  .materials,
  .project-feature,
  .approach,
  .terrain-projects,
  .area-section,
  .capability-band,
  .systems-section,
  .sentinel-projects {
    grid-template-columns: 1fr;
  }
  .project-feature,
  .approach {
    gap: 3rem;
  }
  .material-list {
    max-width: 720px;
  }
  .hero-form {
    right: 28px;
  }
  .capability-band > div:last-child {
    grid-template-columns: repeat(3, 1fr);
  }
  .sentinel-hero {
    grid-template-columns: 1fr;
  }
  .sentinel-photo {
    min-height: 64svh;
  }
  .scope-form {
    padding-block: 3.5rem;
  }
  .sentinel-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-band {
    grid-template-columns: 1fr;
  }
  .variant-choice {
    grid-template-columns: minmax(180px, 33vw) 1fr auto;
  }
}
@media (max-width: 640px) {
  .site-header {
    padding: 1rem 20px;
  }
  .shell {
    padding-inline: 20px;
  }
  .catalog-intro {
    padding: 5rem 20px 3rem;
  }
  .variant-choice {
    gap: 1rem;
    grid-template-columns: 132px 1fr auto;
    min-height: 160px;
    padding-right: 20px;
  }
  .choice-copy strong {
    font-size: 2.6rem;
  }
  .choice-copy small {
    display: block;
    font-size: 0.75rem;
  }
  .hero,
  .hero-photo,
  .terrain-hero,
  .terrain-photo {
    min-height: 680px;
  }
  .hero-copy,
  .terrain-copy {
    bottom: 2.5rem;
    left: 20px;
    right: 20px;
  }
  .hero-copy h1,
  .terrain-copy h1 {
    font-size: 3.45rem;
  }
  .service-rail {
    padding-inline: 20px;
  }
  .materials,
  .project-feature,
  .approach,
  .terrain-projects,
  .capability-band,
  .systems-section,
  .sentinel-projects {
    padding-block: 4rem;
  }
  .material-list {
    gap: 8px;
  }
  .material-shot {
    height: 180px;
  }
  .material-list h3 {
    font-size: 1.1rem;
  }
  .material-list p {
    font-size: 0.72rem;
  }
  .project-grid {
    min-height: 430px;
  }
  .project-feature {
    padding-inline: 20px;
  }
  .approach {
    gap: 2rem;
  }
  .contact-band,
  .terrain-contact,
  .sentinel-contact {
    padding: 3rem 20px;
  }
  .terrain-hero {
    padding-top: 0;
  }
  .hero-form {
    bottom: -410px;
    left: 20px;
    right: 20px;
    top: auto;
    width: auto;
  }
  .terrain-hero {
    margin-bottom: 380px;
  }
  .terrain-copy {
    bottom: 420px;
  }
  .material-strip {
    gap: 1.75rem;
    padding-block: 1.75rem;
  }
  .terrain-grid {
    min-height: 550px;
  }
  .area-section > div:first-child {
    padding: 4rem 20px;
  }
  .map-panel {
    min-height: 280px;
  }
  .terrain-contact {
    grid-template-columns: 1fr;
  }
  .sentinel-photo {
    min-height: 560px;
  }
  .sentinel-photo > div {
    bottom: 2.5rem;
    left: 20px;
    right: 20px;
  }
  .scope-form {
    padding: 3rem 20px;
  }
  .capability-band > div:last-child,
  .diagram-row,
  .sentinel-grid {
    grid-template-columns: 1fr;
  }
  .capability-band article {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 1.25rem 0;
  }
  .diagram-row span {
    min-height: 150px;
  }
  .sentinel-grid span {
    min-height: 220px;
  }
  .sentinel-contact {
    align-items: start;
    flex-direction: column;
  }
  footer {
    grid-template-columns: 1fr;
    padding: 2rem 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
.language-toggle {
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  font: 700 0.8rem/1 var(--display);
  letter-spacing: 0.08em;
  padding: 0.45rem;
  text-transform: uppercase;
}
.language-toggle:hover {
  color: var(--accent);
}