/* =========================
   Buttons & links
========================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0.7rem 1.4rem;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition:
    background-color var(--duration) var(--ease),
    border-color var(--duration) var(--ease),
    color var(--duration) var(--ease);
}

.btn--lg {
  min-height: 3.25rem;
  padding: 0.9rem 1.75rem;
}

.btn--primary {
  color: #fff;
  background: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
}

.btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn .icon,
.link-arrow .icon {
  flex: none;
  transition: transform var(--duration) var(--ease);
}

.btn:hover .icon,
.link-arrow:hover .icon {
  transform: translateX(4px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: var(--space-md);
  font-weight: 500;
  color: var(--color-accent-text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration) var(--ease);
}

.link-arrow:hover {
  border-bottom-color: currentColor;
}

.section--dark .link-arrow,
.cta .link-arrow {
  color: var(--color-accent-soft);
}

/* =========================
   Page hero & breadcrumb
========================= */

.page-hero {
  position: relative;
  isolation: isolate;
  color: #fff;
  background: var(--color-primary) url("../assets/images/hero/page-terrain.svg") right bottom / cover no-repeat;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, var(--color-primary) 15%, rgba(10, 28, 46, 0.55) 70%, rgba(10, 28, 46, 0.2));
}

.page-hero__inner {
  padding-top: calc(var(--header-height) + clamp(2.5rem, 6vw, 4.5rem));
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.page-hero__title {
  max-width: 17ch;
  font-size: clamp(2.4rem, 5.2vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.page-hero__lead {
  max-width: 38rem;
  margin-top: var(--space-md);
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  color: var(--color-on-dark-muted);
}

.breadcrumb {
  margin-bottom: var(--space-lg);
  font-size: var(--text-small);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.6rem;
}

.breadcrumb li {
  color: var(--color-on-dark);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.6rem;
  color: var(--color-on-dark-muted);
}

.breadcrumb a {
  color: var(--color-on-dark-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: #fff;
  text-decoration: underline;
}

.page-hero--full {
  display: flex;
  align-items: center;
  min-height: 100svh;
}

.notfound__code {
  margin-bottom: var(--space-sm);
  font-size: clamp(6rem, 22vw, 15rem);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.35);
}

.notfound .btn {
  margin-top: var(--space-lg);
}

/* =========================
   Facts strip
========================= */

.facts {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}

.facts__list {
  display: grid;
}

.fact {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.25rem;
  padding-block: 1.5rem;
}

.fact + .fact {
  border-top: 1px solid var(--color-line);
}

.fact dt {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.fact dd {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

/* =========================
   Introduction
========================= */

.intro__grid {
  display: grid;
  gap: var(--space-lg);
}

.intro__text p + p {
  margin-top: 1.1em;
}

.intro__figure,
.split__figure,
.why__figure,
.project-detail__hero {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
}

.intro__figure img,
.split__figure img,
.why__figure img,
.project-detail__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro__figure img {
  aspect-ratio: 16 / 10;
}

.figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 0.85rem 1rem;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-on-dark-muted);
  background: var(--color-primary);
}

.figcaption a {
  color: var(--color-accent-soft);
}

/* =========================
   Services
========================= */

.services__grid {
  display: grid;
  gap: var(--space-lg);
}

.service-list {
  border-top: 1px solid var(--color-line-strong);
}

.service-row {
  border-bottom: 1px solid var(--color-line);
}

.service-row__link {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr) 1.25rem;
  gap: 0 1rem;
  align-items: start;
  padding-block: 1.5rem;
  text-decoration: none;
  transition: padding-left var(--duration) var(--ease), background-color var(--duration) var(--ease);
}

.service-row__num {
  padding-top: 0.3rem;
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-accent-text);
}

.service-row__main {
  display: grid;
  gap: 0.35rem;
}

.service-row__name {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.015em;
  transition: color var(--duration) var(--ease);
}

.service-row__desc {
  max-width: 46ch;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.service-row__sector {
  display: none;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.service-row__arrow {
  padding-top: 0.35rem;
  color: var(--color-accent-text);
}

.service-row__arrow .icon {
  transition: transform var(--duration) var(--ease);
}

.service-row__link:hover {
  padding-left: 0.5rem;
}

.service-row__link:hover .service-row__name {
  color: var(--color-accent-text);
}

.service-row__link:hover .service-row__arrow .icon {
  transform: translateX(4px);
}

.sector-item {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--color-line);
}

.sector-list {
  border-top: 1px solid var(--color-line-strong);
}

.sector-item h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 500;
}

.sector-item p {
  margin-top: 0.35rem;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.link-grid {
  display: grid;
  border-top: 1px solid var(--color-line-strong);
}

.link-grid a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem 1rem;
  align-items: start;
  padding-block: 1.5rem;
  text-decoration: none;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-accent-text);
}

.link-grid__name {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.link-grid__text {
  grid-column: 1;
  max-width: 44ch;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.link-grid .icon {
  grid-column: 2;
  grid-row: 1;
  margin-top: 0.3rem;
  transition: transform var(--duration) var(--ease);
}

.link-grid a:hover .icon {
  transform: translateX(4px);
}

.link-grid a:hover .link-grid__name {
  color: var(--color-accent-text);
}

/* =========================
   Projects
========================= */

.featured__grid,
.grid-projects {
  display: grid;
  gap: var(--space-lg) var(--space-md);
}

.project__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
}

.project__media {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
}

.project__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}

.project__link:hover .project__media img {
  transform: scale(1.04);
}

.project__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  padding-top: var(--space-sm);
}

.project .label {
  color: var(--color-accent-text);
}

.project__title {
  margin-top: 0.4rem;
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.project__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  margin-top: 0.75rem;
  font-size: var(--text-small);
}

.project__meta dt {
  display: inline;
  color: var(--color-muted);
}

.project__meta dt::after {
  content: ": ";
}

.project__meta dd {
  display: inline;
  font-weight: 500;
}

.project__body .link-arrow {
  margin-top: auto;
  padding-top: var(--space-sm);
}

.project__link:hover .link-arrow {
  border-bottom-color: currentColor;
}

.project__link:hover .link-arrow .icon {
  transform: translateX(4px);
}

.project[hidden] {
  display: none;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  min-height: 2.75rem;
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  background: transparent;
  border: 1px solid var(--color-line-strong);
  border-radius: 999px;
  transition:
    background-color var(--duration) var(--ease),
    color var(--duration) var(--ease),
    border-color var(--duration) var(--ease);
}

.chip:hover {
  border-color: var(--color-primary);
}

.chip.is-active {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.filters__status {
  min-height: 1.5rem;
  margin-block: var(--space-md) var(--space-sm);
  font-size: var(--text-small);
  color: var(--color-muted);
}

/* =========================
   Project detail
========================= */

.project-detail__hero img {
  aspect-ratio: 16 / 9;
}

.project-detail__hero {
  margin-bottom: var(--space-xl);
}

.keyinfo {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-line-strong);
}

.keyinfo > div {
  display: grid;
  gap: 0.25rem 1.5rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--color-line);
}

.keyinfo dt {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.keyinfo dd {
  font-size: 1.125rem;
  font-weight: 500;
}

/* =========================
   Capabilities
========================= */

.capability-grid {
  display: grid;
  border-top: 1px solid var(--color-line-dark);
}

.capability {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  align-items: baseline;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--color-line-dark);
}

.capability__num {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-accent-soft);
}

.capability__name {
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.coords {
  margin-top: var(--space-md);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--color-on-dark-muted);
}

/* =========================
   Why us
========================= */

.why__grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

.why__figure img {
  aspect-ratio: 4 / 3;
}

.why__text .lead {
  margin-top: var(--space-md);
  color: var(--color-muted);
}

.checklist {
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-line);
}

.checklist li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--color-line);
}

.checklist .icon {
  flex: none;
  margin-top: 0.2rem;
  color: var(--color-accent-text);
}

.service-detail .checklist {
  max-width: 40rem;
}

/* =========================
   Process timeline
========================= */

.timeline {
  position: relative;
  display: grid;
  gap: 0;
  counter-reset: step;
}

.timeline__step {
  position: relative;
  padding: 0 0 2.25rem 2.25rem;
  border-left: 1px solid var(--color-line-strong);
}

.timeline__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.timeline__step::before {
  content: "";
  position: absolute;
  top: 0.35rem;
  left: -0.4rem;
  width: 0.8rem;
  height: 0.8rem;
  background: var(--color-background);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
}

.timeline__num {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-accent-text);
}

.timeline__name {
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.timeline__step p {
  max-width: 34ch;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

/* =========================
   Values, team
========================= */

.values {
  display: grid;
  border-top: 1px solid var(--color-line-strong);
}

.value {
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--color-line);
}

.value h3 {
  margin-bottom: 0.6rem;
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-text);
}

.value p {
  max-width: 36ch;
  font-size: 1.125rem;
}

.people {
  display: grid;
  gap: var(--space-lg) var(--space-md);
}

.person {
  display: flex;
  flex-direction: column;
}

.person__photo {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: #dfe6ec;
}

.person__photo img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.person__body {
  padding-top: var(--space-sm);
}

.person__name {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.person__role {
  margin-top: 0.15rem;
  font-weight: 500;
  color: var(--color-accent-text);
}

.person__discipline {
  margin-top: 0.35rem;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.person__bio {
  margin-top: 0.85rem;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.person__discipline + .person__bio {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-line);
}

/* =========================
   Call to action
========================= */

.cta {
  padding-block: var(--space-xl);
  color: #fff;
  background-color: var(--color-primary-2);
  background-image:
    linear-gradient(rgba(111, 184, 230, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 184, 230, 0.06) 1px, transparent 1px);
  background-size: 96px 96px;
}

.cta__inner {
  display: grid;
  gap: var(--space-lg);
  align-items: end;
}

.cta__title {
  max-width: 16ch;
  font-size: var(--text-h2);
}

.cta__text {
  max-width: 34rem;
  margin-top: var(--space-md);
  font-size: 1.125rem;
  color: var(--color-on-dark-muted);
}

.cta .btn {
  justify-self: start;
}

/* =========================
   Contact & forms
========================= */

.contact {
  display: grid;
  gap: var(--space-xl);
}

.contact-list {
  display: grid;
  border-top: 1px solid var(--color-line-strong);
}

.contact-item {
  display: flex;
  gap: var(--space-sm);
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--color-line);
}

.contact-item .icon {
  flex: none;
  margin-top: 0.2rem;
  color: var(--color-accent-text);
}

.contact-item h3 {
  margin-bottom: 0.25rem;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.contact-item a {
  text-decoration: none;
  border-bottom: 1px solid var(--color-line-strong);
}

.contact-item a:hover {
  color: var(--color-accent-text);
  border-bottom-color: currentColor;
}

.form {
  display: grid;
  gap: 1.25rem;
  margin-top: var(--space-md);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-size: var(--text-small);
  font-weight: 500;
}

.req {
  color: var(--color-accent-text);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.7rem 0.9rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.field textarea {
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(26, 120, 180, 0.25);
}

.field [aria-invalid="true"] {
  border-color: var(--color-error);
}

.field__error {
  min-height: 0;
  font-size: var(--text-small);
  color: var(--color-error);
}

.form__actions {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.form__status {
  flex: 1 1 16rem;
  font-size: var(--text-small);
  color: var(--color-teal);
}

.map {
  padding-bottom: var(--space-xl);
}

.map__frame {
  margin-top: var(--space-md);
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
}

.map__frame iframe {
  width: 100%;
  height: clamp(17rem, 40vw, 26rem);
  border: 0;
}

/* =========================
   Scroll reveal
========================= */

@media (scripting: enabled) and (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(1.25rem);
    transition:
      opacity 0.7s var(--ease),
      transform 0.7s var(--ease);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

.form__status.is-error {
  color: var(--color-error);
}

/* =========================
   Photography: service figure, gallery, lightbox
========================= */

.service-figure {
  padding-top: var(--space-lg);
}

.split__figure img {
  aspect-ratio: 4 / 3;
}

.project__media img,
.project-detail__hero img {
  background: var(--color-primary);
}

.gallery {
  columns: 16rem 3;
  column-gap: var(--space-md);
}

.gallery__item {
  margin-bottom: var(--space-md);
  break-inside: avoid;
}

.gallery__item a {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  cursor: zoom-in;
}

.gallery__item img {
  width: 100%;
  transition: transform 0.9s var(--ease);
}

.gallery__item a:hover img {
  transform: scale(1.03);
}

.gallery__item figcaption {
  padding-top: 0.6rem;
  font-size: var(--text-small);
  color: var(--color-muted);
}

.lightbox {
  width: min(96vw, 1200px);
  max-width: none;
  max-height: 94vh;
  padding: 0;
  overflow: visible;
  color: #fff;
  background: transparent;
  border: 0;
}

.lightbox::backdrop {
  background: rgba(6, 16, 28, 0.92);
}

.lightbox__figure {
  display: grid;
  gap: 0.75rem;
  justify-items: center;
}

.lightbox__img {
  width: auto;
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox__caption {
  font-size: var(--text-small);
  color: var(--color-on-dark-muted);
}

.lightbox__btn {
  position: absolute;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  font-size: 2rem;
  line-height: 1;
  color: #fff;
  background: rgba(10, 28, 46, 0.75);
  border: 1px solid var(--color-line-dark);
  border-radius: 50%;
}

.lightbox__btn:hover {
  background: var(--color-accent);
}

.lightbox__close {
  top: 0.5rem;
  right: 0.5rem;
}

.lightbox__prev,
.lightbox__next {
  top: 40%;
}

.lightbox__prev {
  left: 0.5rem;
}

.lightbox__next {
  right: 0.5rem;
}

/* =========================
   Data table (stacks on small screens)
========================= */

.table-wrap {
  border-top: 1px solid var(--color-line-strong);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  text-align: left;
}

.data-table thead {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.data-table tr {
  display: block;
  padding-block: 1rem;
  border-bottom: 1px solid var(--color-line);
}

.data-table th,
.data-table td {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.75rem;
  padding: 0.2rem 0;
  font-weight: 400;
  text-align: left;
}

.data-table th[data-label],
.data-table td[data-label] {
  align-items: baseline;
}

.data-table th::before,
.data-table td::before {
  content: attr(data-label);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.data-table tbody th {
  font-size: 1.0625rem;
  font-weight: 500;
}

.data-table a {
  color: var(--color-accent-text);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}