:root {
  --ink: #172126;
  --text: #334148;
  --muted: #67767d;
  --line: #d7dde0;
  --paper: #f7f5ef;
  --white: #ffffff;
  --steel: #2f4858;
  --teal: #1d6f73;
  --amber: #b9802a;
  --shadow: 0 18px 45px rgba(23, 33, 38, 0.12);
  --nav-height: 92px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: relative;
  min-height: 92vh;
  color: var(--white);
}

.nav {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-height);
  padding: 12px max(20px, calc((100vw - 1120px) / 2));
  background: rgba(23, 33, 38, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

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

.brand-logo {
  width: 72px;
  height: auto;
  object-fit: contain;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.92rem;
}

.nav-links a {
  padding: 8px 0;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--white);
  border-color: var(--amber);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
  color: var(--white);
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: 92vh;
  padding: 150px 0 96px;
  overflow: hidden;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(12, 20, 24, 0.88) 0%, rgba(12, 20, 24, 0.58) 48%, rgba(12, 20, 24, 0.18) 100%),
    linear-gradient(0deg, rgba(12, 20, 24, 0.54) 0%, rgba(12, 20, 24, 0) 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero-logo {
  width: clamp(180px, 20vw, 240px);
  height: auto;
  object-fit: contain;
  margin: 0 0 22px;
  background: #000;
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.35);
}

.eyebrow,
.section-kicker {
  display: inline-block;
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero h1 {
  max-width: 840px;
  margin: 0;
  color: var(--white);
  font-size: clamp(3.3rem, 8vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 620px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.88rem;
}

.hero-notes span {
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
}

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

.button.secondary {
  border-color: rgba(255, 255, 255, 0.38);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.button:hover {
  transform: translateY(-1px);
}

.intro-band {
  background: var(--ink);
  color: var(--white);
  padding: 44px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: center;
}

.intro-grid h2,
.section h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.intro-grid h2 {
  color: var(--white);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

.intro-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.04rem;
}

.photo-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: var(--ink);
}

.photo-feature {
  position: relative;
  min-height: 300px;
  margin: 0;
  overflow: hidden;
}

.photo-feature img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  filter: saturate(0.9);
}

.photo-feature::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(12, 20, 24, 0.72), rgba(12, 20, 24, 0.06));
}

.photo-feature figcaption {
  position: absolute;
  z-index: 1;
  left: 24px;
  right: 24px;
  bottom: 22px;
  color: var(--white);
  font-weight: 700;
  line-height: 1.35;
}

.section {
  padding: 96px 0;
}

.section.muted {
  background: var(--paper);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.7fr);
  gap: 64px;
  align-items: start;
}

.section-copy p,
.section-heading p {
  margin: 22px 0 0;
  max-width: 690px;
  color: var(--muted);
}

.plain-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.plain-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text);
}

.plain-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--teal);
}

.about-panel {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.about-panel dl {
  margin: 0;
}

.about-panel div {
  padding: 26px;
  border-bottom: 1px solid var(--line);
}

.about-panel div:last-child {
  border-bottom: 0;
}

.about-panel dt {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.about-panel dd {
  margin: 8px 0 0;
  color: var(--ink);
  font-weight: 700;
}

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

.section-heading.split {
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  gap: 48px;
  align-items: end;
}

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

.service-card {
  min-height: 245px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.service-card.wide {
  grid-column: span 2;
}

.service-card span {
  color: var(--teal);
  font-weight: 700;
}

.service-card h3 {
  margin: 58px 0 12px;
  color: var(--ink);
  font-size: 1.12rem;
  line-height: 1.25;
}

.service-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.visual-section {
  background: var(--ink);
  color: var(--white);
}

.visual-section h2 {
  color: var(--white);
}

.visual-section .section-heading p {
  color: rgba(255, 255, 255, 0.74);
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.visual-grid figure {
  margin: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.visual-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.visual-grid figcaption {
  min-height: 78px;
  padding: 16px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  line-height: 1.35;
}

.approach-section {
  background: var(--white);
}

.approach-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.step-list article {
  min-height: 210px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.step-list span {
  color: var(--amber);
  font-weight: 700;
}

.step-list h3 {
  margin: 42px 0 10px;
  color: var(--ink);
  font-size: 1.08rem;
}

.step-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

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

.project-card {
  background: var(--white);
  border: 1px solid var(--line);
}

.project-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.project-card div {
  padding: 22px;
}

.project-card p {
  margin: 0 0 10px;
  color: var(--teal);
  font-weight: 700;
  font-size: 0.83rem;
}

.project-card h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 1.16rem;
  line-height: 1.25;
}

.project-card span {
  color: var(--muted);
  font-size: 0.93rem;
}

.project-note {
  margin-top: 24px;
  padding: 18px 20px;
  color: var(--text);
  background: var(--paper);
  border-left: 4px solid var(--teal);
}

.project-note strong {
  color: var(--ink);
}

.contact-section {
  background: var(--steel);
  color: var(--white);
}

.contact-section h2 {
  color: var(--white);
}

.contact-section .section-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-details {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  background: var(--white);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(29, 111, 115, 0.28);
  border-color: var(--teal);
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer {
  padding: 26px 0;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer p {
  margin: 0;
}

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

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 18px;
    background: rgba(23, 33, 38, 0.97);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 13px 0;
  }

  .intro-grid,
  .two-column,
  .section-heading.split,
  .approach-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .project-grid,
  .step-list,
  .photo-band,
  .visual-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .container,
  .hero-content {
    width: min(100% - 28px, 1120px);
  }

  .site-header,
  .hero {
    min-height: 86vh;
  }

  .hero {
    padding-bottom: 70px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .brand-logo {
    width: 62px;
  }

  .hero-logo {
    width: min(190px, 54vw);
    margin-bottom: 20px;
  }

  .section {
    padding: 68px 0;
  }

  .service-grid,
  .project-grid,
  .step-list,
  .photo-band,
  .visual-grid {
    grid-template-columns: 1fr;
  }

  .photo-feature,
  .photo-feature img {
    min-height: 240px;
  }

  .service-card.wide {
    grid-column: auto;
  }

  .service-card {
    min-height: 220px;
  }

  .footer-inner {
    flex-direction: column;
  }
}