:root {
  --black: #000000;
  --charcoal: #3b393b;
  --brick: #7b4436;
  --taupe: #846f58;
  --copper: #a5653b;
  --clay: #af9486;
  --beige: #dfcfc2;
  --orange: #e85f26;
  --offwhite: #e8e4e0;
  --white: #ffffff;
  --navy: #001838;
  --teal: #003934;
  --sand: #d8ba98;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--black);
  background: var(--offwhite);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

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

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

::selection {
  color: var(--black);
  background: var(--orange);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 80px;
  padding: 18px clamp(20px, 4vw, 48px);
  color: var(--white);
  background: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  transition: background 300ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(0, 0, 0, 0.9);
}

.brand img {
  width: auto;
  height: 40px;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  gap: clamp(16px, 2vw, 28px);
  align-items: center;
  justify-content: center;
}

.desktop-nav a,
.header-cta,
.mobile-nav a {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.desktop-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.78);
  transition: color 220ms ease;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--orange);
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--orange);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 250ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  justify-self: end;
  padding: 16px 22px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: border 220ms ease, background 220ms ease, color 220ms ease;
}

.header-cta:hover,
.button-dark:hover,
.button-outline:hover {
  color: var(--black);
  background: var(--orange);
  border-color: var(--orange);
}

.menu-toggle {
  display: none;
  justify-self: end;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: var(--white);
  transition: transform 220ms ease;
}

.site-header.is-open .menu-toggle span:first-child {
  transform: translateY(3px) rotate(45deg);
}

.site-header.is-open .menu-toggle span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

.mobile-nav {
  position: absolute;
  top: 80px;
  right: 0;
  left: 0;
  display: grid;
  max-height: 0;
  overflow: hidden;
  background: var(--black);
  transition: max-height 320ms ease;
}

.site-header.is-open .mobile-nav {
  max-height: 420px;
}

.mobile-nav a {
  padding: 22px 24px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 24px;
  letter-spacing: 0;
  text-transform: none;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: var(--black);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.74;
  animation: heroZoom 24s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

.hero::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.66), rgba(0, 0, 0, 0.12));
  content: "";
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 136px clamp(20px, 4vw, 48px) 44px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.display,
.headline,
.subhead {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.display {
  max-width: 1180px;
  font-size: clamp(58px, 10vw, 170px);
  line-height: 0.86;
}

.headline {
  max-width: 1100px;
  font-size: clamp(44px, 6.4vw, 108px);
  line-height: 0.92;
}

.subhead {
  max-width: 860px;
  font-size: clamp(38px, 5vw, 82px);
  line-height: 0.95;
}

.hero-meta {
  display: grid;
  grid-template-columns: 1.1fr 0.8fr 0.9fr;
  gap: 34px;
  align-items: end;
  margin-top: 42px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-meta p {
  max-width: 590px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.75;
}

.hero-subcopy {
  max-width: 760px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 20px;
  line-height: 1.7;
}

.hero-actions,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.cta-row {
  margin-top: 32px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
}

.metric-row strong {
  display: block;
  color: var(--white);
  font-size: 38px;
}

.button-outline,
.button-dark,
.button-orange {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 58px;
  padding: 0 24px;
  border: 1px solid currentColor;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  transition: background 220ms ease, border 220ms ease, color 220ms ease;
}

.button-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
}

.button-dark {
  color: var(--white);
  background: var(--black);
  border-color: var(--black);
}

.button-orange {
  color: var(--black);
  background: var(--orange);
  border-color: var(--orange);
}

.section {
  padding: clamp(96px, 11vw, 160px) clamp(20px, 4vw, 48px);
}

.grid-lines {
  background-image:
    linear-gradient(to right, rgba(0, 0, 0, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.08) 1px, transparent 1px);
  background-size: 25% 100%, 100% 33.333%;
}

.dark-grid {
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 25% 100%, 100% 33.333%;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(48px, 7vw, 110px);
  align-items: start;
}

.copy-large {
  max-width: 760px;
  color: rgba(0, 0, 0, 0.72);
  font-size: clamp(21px, 2.3vw, 34px);
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.copy-body {
  color: rgba(0, 0, 0, 0.74);
  font-size: 20px;
  line-height: 1.8;
}

.bg-offwhite { background: var(--offwhite); }
.bg-black { color: var(--white); background: var(--black); }
.bg-beige { background: var(--beige); }
.bg-sand { background: var(--sand); }
.bg-charcoal { color: var(--white); background: var(--charcoal); }

.featured-head {
  display: flex;
  gap: 32px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 56px;
}

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

.project-card {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  color: var(--white);
  background: var(--black);
}

.project-card img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  opacity: 0.84;
  transition: transform 700ms ease, opacity 700ms ease;
}

.project-card:hover img {
  opacity: 0.58;
  transform: scale(1.06);
}

.project-card-content {
  position: absolute;
  inset: auto 0 0;
  padding: 28px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0));
}

.project-card h3 {
  margin: 8px 0 0;
  font-size: clamp(30px, 3vw, 44px);
  line-height: 0.96;
  letter-spacing: -0.03em;
}

.project-card p {
  max-width: 360px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
  transform: translateY(12px);
  opacity: 0;
  transition: opacity 360ms ease, transform 360ms ease;
}

.project-card:hover p {
  opacity: 1;
  transform: translateY(0);
}

.location-list {
  display: grid;
  gap: 0;
}

.location-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  padding: 34px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.16);
}

.location-item h3 {
  margin: 0;
  font-size: clamp(40px, 5vw, 76px);
  letter-spacing: -0.03em;
}

.location-item p {
  max-width: 480px;
  margin: 0;
  color: rgba(0, 0, 0, 0.64);
  line-height: 1.7;
}

.parallax-image {
  height: 82vh;
  overflow: hidden;
  background: var(--black);
}

.parallax-image img {
  width: 100%;
  height: 115%;
  object-fit: cover;
}

.timeline,
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(0, 0, 0, 0.14);
  border-left: 1px solid rgba(0, 0, 0, 0.14);
}

.timeline article,
.highlight-grid article {
  min-height: 270px;
  padding: 28px;
  border-right: 1px solid rgba(0, 0, 0, 0.14);
  border-bottom: 1px solid rgba(0, 0, 0, 0.14);
}

.timeline strong,
.highlight-grid strong {
  display: block;
  color: var(--brick);
  font-size: 46px;
  letter-spacing: -0.03em;
}

.timeline p,
.highlight-grid p {
  margin: 54px 0 0;
  color: rgba(0, 0, 0, 0.66);
  line-height: 1.65;
}

.leader-block {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.leader-block .leader-copy {
  padding-left: 36px;
  border-left: 1px solid currentColor;
}

.leader-copy p {
  max-width: 820px;
  margin: 0;
  font-size: clamp(24px, 3vw, 42px);
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.logo-on-light {
  width: min(360px, 70vw);
  margin-bottom: 42px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 22px 0;
  margin-bottom: 42px;
  border-top: 1px solid rgba(0, 0, 0, 0.14);
  border-bottom: 1px solid rgba(0, 0, 0, 0.14);
}

.filter-bar button {
  padding: 14px 22px;
  color: var(--black);
  background: var(--offwhite);
  border: 0;
  font: inherit;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: background 220ms ease, color 220ms ease;
}

.filter-bar button.active,
.filter-bar button:hover {
  color: var(--white);
  background: var(--black);
}

.project-detail-hero {
  min-height: 100vh;
}

.detail-meta {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.15);
  padding-top: 28px;
}

.meta-grid span {
  display: block;
  margin-top: 12px;
  font-size: 26px;
  font-weight: 800;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
}

.contact-panel,
.form-panel {
  padding: clamp(96px, 11vw, 160px) clamp(20px, 4vw, 48px);
}

.contact-list {
  display: grid;
  gap: 0;
  margin-top: 48px;
}

.contact-list a,
.contact-list p {
  display: flex;
  align-items: center;
  min-height: 66px;
  margin: 0;
  color: rgba(0, 0, 0, 0.72);
  border-top: 1px solid rgba(0, 0, 0, 0.15);
}

.contact-list a:hover {
  color: var(--orange);
}

.contact-form {
  display: grid;
  gap: 18px;
}

.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.home-form-section .contact-panel,
.home-form-section .form-panel {
  padding-top: clamp(76px, 8vw, 120px);
  padding-bottom: clamp(76px, 8vw, 120px);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 9px;
}

.contact-form span {
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 17px;
  color: var(--black);
  background: var(--offwhite);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 0;
  font: inherit;
  outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--orange);
}

.contact-form textarea {
  resize: vertical;
}

.form-status {
  margin: 0;
  color: var(--teal);
  font-weight: 800;
}

.map-frame {
  width: 100%;
  height: 560px;
  padding: clamp(20px, 4vw, 48px);
  background: var(--charcoal);
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  filter: grayscale(1);
}

.site-footer {
  padding: 48px clamp(20px, 4vw, 48px);
  color: var(--white);
  background: var(--black);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-logo {
  width: min(300px, 80vw);
}

.site-footer p,
.site-footer a {
  display: block;
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
  line-height: 1.7;
}

.social-line {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.process-list {
  display: grid;
  gap: 0;
  color: rgba(255, 255, 255, 0.76);
}

.process-list.light {
  color: rgba(0, 0, 0, 0.72);
}

.process-list div {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid currentColor;
  font-size: clamp(18px, 2vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.process-list span {
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.insight-card {
  display: flex;
  min-height: 430px;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.1);
  transition: background 220ms ease, color 220ms ease, transform 220ms ease;
}

.insight-card:hover {
  color: var(--white);
  background: var(--black);
  transform: translateY(-6px);
}

.insight-card h2 {
  margin: 26px 0;
  font-size: clamp(30px, 3.2vw, 48px);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.insight-card p:not(.eyebrow) {
  color: rgba(0, 0, 0, 0.66);
  line-height: 1.7;
}

.insight-card:hover p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.68);
}

.insight-card span {
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.article-body {
  max-width: 820px;
}

.article-body p {
  margin: 0 0 28px;
  color: rgba(0, 0, 0, 0.72);
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.55;
}

.faq-list {
  display: grid;
  border-top: 1px solid rgba(0, 0, 0, 0.16);
}

.faq-list article {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  padding: 36px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.16);
}

.faq-list h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 46px);
  line-height: 1;
  letter-spacing: -0.03em;
}

.faq-list p {
  margin: 0;
  color: rgba(0, 0, 0, 0.66);
  font-size: 20px;
  line-height: 1.65;
}

.site-footer a:hover {
  color: var(--orange);
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 4px;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 800ms ease, transform 800ms ease;
}

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

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .brand img {
    height: 34px;
  }

  .hero-meta,
  .split,
  .leader-block,
  .detail-meta,
  .contact-layout,
  .footer-grid,
  .faq-list article {
    grid-template-columns: 1fr;
  }

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

  .timeline,
  .highlight-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 76px;
    padding: 16px 20px;
  }

  .brand img {
    height: 28px;
  }

  .hero-content {
    padding-top: 120px;
  }

  .display {
    font-size: clamp(50px, 14vw, 72px);
  }

  .featured-head,
  .hero-actions,
  .cta-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .button-outline,
  .button-dark,
  .button-orange {
    width: min(100%, 350px);
    justify-content: space-between;
    padding-right: 18px;
    padding-left: 18px;
  }

  .headline {
    font-size: clamp(42px, 13vw, 64px);
  }

  .subhead {
    font-size: clamp(36px, 11vw, 54px);
  }

  .metric-row,
  .form-row,
  .location-item,
  .timeline,
  .highlight-grid,
  .meta-grid,
  .process-list div {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-card img {
    min-height: 430px;
  }

  .leader-block .leader-copy {
    padding-left: 22px;
  }
}
