/* ============================================================
   AVILAStudio — Redesign
   Structural engineering · London & Europe
   ============================================================ */

:root {
  --bg: #090b0e;
  --bg-2: #0e1116;
  --surface: #141820;
  --surface-2: #1a1f29;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #f2f0eb;
  --text-muted: #9a958c;
  --text-dim: #6b665e;
  --accent: #c9a46c;
  --accent-soft: rgba(201, 164, 108, 0.14);
  --accent-hover: #ddb87e;
  --steel: #7a8fa3;
  --success: #6bbf8a;
  --danger: #d46b6b;
  --radius: 4px;
  --radius-lg: 12px;
  --nav-h: 72px;
  --max: 1200px;
  --wide: 1400px;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

/* ---------- Utilities ---------- */
.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.container-wide {
  width: min(100% - 2.5rem, var(--wide));
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.section {
  padding: 6.5rem 0;
  position: relative;
}

.section-sm {
  padding: 4rem 0;
}

.section-head {
  margin-bottom: 3.5rem;
  max-width: 640px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head.center .eyebrow {
  justify-content: center;
}

.section-head h2 {
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.75rem, 6.5vw, 5.25rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 52ch;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: all 0.35s var(--ease);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 12px 40px rgba(201, 164, 108, 0.25);
}

.btn-outline {
  border: 1px solid var(--border-strong);
  color: var(--text);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.btn-ghost {
  color: var(--text-muted);
  padding-inline: 0.5rem;
}

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

.btn-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s var(--ease);
}

.btn-arrow:hover svg {
  transform: translateX(4px);
}

/* ---------- Navigation ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease),
    backdrop-filter 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(9, 11, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  width: min(100% - 2.5rem, var(--wide));
  margin-inline: auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 1001;
}

.logo img {
  height: 36px;
  width: auto;
  /* Source logo is dark; invert for charcoal UI */
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.logo-text span {
  color: var(--accent);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.25s var(--ease);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: var(--accent);
}

.nav-cta {
  margin-left: 0.5rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  z-index: 1001;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--text);
  transition: all 0.3s var(--ease);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--nav-h) + 2rem) 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(9, 11, 14, 0.55) 0%, rgba(9, 11, 14, 0.35) 40%, rgba(9, 11, 14, 0.95) 100%),
    linear-gradient(90deg, rgba(9, 11, 14, 0.75) 0%, transparent 55%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(201, 164, 108, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 164, 108, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 20%, transparent 75%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100% - 2.5rem, var(--wide));
  margin-inline: auto;
}

.hero-content .eyebrow {
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s var(--ease) both;
}

.hero h1 {
  max-width: 16ch;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s 0.1s var(--ease) both;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero .lead {
  margin-bottom: 2.5rem;
  animation: fadeUp 0.8s 0.2s var(--ease) both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  animation: fadeUp 0.8s 0.3s var(--ease) both;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 4.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  animation: fadeUp 0.8s 0.4s var(--ease) both;
}

.hero-meta-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.hero-meta-item span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- Quote strip ---------- */
.quote-strip {
  padding: 4rem 0;
  border-block: 1px solid var(--border);
  background: var(--bg-2);
}

.quote-strip blockquote {
  width: min(100% - 2.5rem, 820px);
  margin-inline: auto;
  text-align: center;
}

.quote-strip p {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 500;
  line-height: 1.45;
  color: var(--text);
  margin-bottom: 1rem;
}

.quote-strip cite {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  gap: 1.25rem;
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  transition: gap 0.3s var(--ease);
}

.card-link:hover {
  gap: 0.7rem;
}

/* ---------- About teaser ---------- */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--surface);
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-visual-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: rgba(9, 11, 14, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.about-visual-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.about-visual-badge span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.about-copy .eyebrow {
  margin-bottom: 1rem;
}

.about-copy h2 {
  margin-bottom: 1.25rem;
}

.about-copy .lead {
  margin-bottom: 1.5rem;
}

.about-copy p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.about-list {
  margin: 2rem 0;
  display: grid;
  gap: 0.75rem;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.about-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ---------- Project cards ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  group: project;
  display: block;
  min-height: 320px;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.project-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.project-card.span-7 {
  grid-column: span 7;
  min-height: 420px;
}

.project-card.span-5 {
  grid-column: span 5;
  min-height: 420px;
}

.project-card.span-4 {
  grid-column: span 4;
}

.project-card.span-6 {
  grid-column: span 6;
}

.project-card.span-8 {
  grid-column: span 8;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.project-card:hover img {
  transform: scale(1.04);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 30%,
    rgba(9, 11, 14, 0.55) 60%,
    rgba(9, 11, 14, 0.95) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
}

.project-card-cat {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.project-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}

.project-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 40ch;
  opacity: 0.9;
}

/* ---------- Services list ---------- */
.service-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--border);
}

.service-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s var(--ease), background 0.3s var(--ease);
}

.service-row:hover {
  padding-left: 0.75rem;
}

.service-num {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.service-row h3 {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.service-row p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 55ch;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
  max-width: 280px;
}

.tag {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dim);
  white-space: nowrap;
}

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.team-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.team-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.team-photo {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--surface-2);
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s var(--ease);
  filter: grayscale(20%);
}

.team-card:hover .team-photo img {
  transform: scale(1.04);
  filter: grayscale(0%);
}

.team-info {
  padding: 1.25rem 1.35rem 1.5rem;
}

.team-info h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.team-role {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.team-creds {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ---------- Partners ---------- */
.partners-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 3rem 4rem;
  padding: 2rem 0;
}

.partners-row img {
  height: 42px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  opacity: 0.55;
  filter: grayscale(100%) brightness(1.4);
  transition: opacity 0.3s var(--ease), filter 0.3s var(--ease);
}

.partners-row img:hover {
  opacity: 1;
  filter: grayscale(0%) brightness(1);
}

/* ---------- News ---------- */
.news-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--border);
}

.news-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s var(--ease);
}

.news-item:hover {
  padding-left: 0.5rem;
}

.news-date {
  font-size: 0.85rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.news-item p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.contact-details {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.contact-block h4 {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
  font-weight: 500;
  font-family: var(--font-body);
}

.contact-block a,
.contact-block p {
  font-size: 1.1rem;
  color: var(--text);
  transition: color 0.25s var(--ease);
}

.contact-block a:hover {
  color: var(--accent);
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: border-color 0.25s var(--ease);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 1rem;
}

/* ---------- Page hero (inner) ---------- */
.page-hero {
  padding: calc(var(--nav-h) + 4.5rem) 0 4rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 164, 108, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 164, 108, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(180deg, black, transparent);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
}

.page-hero .eyebrow {
  margin-bottom: 1rem;
}

.page-hero h1 {
  margin-bottom: 1rem;
  max-width: 18ch;
}

.page-hero .lead {
  max-width: 50ch;
}

/* ---------- Project detail ---------- */
.project-hero-img {
  width: 100%;
  max-height: 70vh;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.project-detail {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 4rem;
  align-items: start;
  padding: 4rem 0 5rem;
}

.project-body h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
}

.project-body h2:first-child {
  margin-top: 0;
}

.project-body p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.project-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2.5rem 0;
}

.project-gallery img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.project-gallery img.full {
  grid-column: 1 / -1;
  height: 380px;
}

.project-meta-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
}

.project-meta-card h3 {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.meta-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
}

.meta-row dt {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.meta-row dd {
  font-size: 0.95rem;
  color: var(--text);
}

/* ---------- CTA band ---------- */
.cta-band {
  padding: 5.5rem 0;
  background:
    radial-gradient(ellipse 70% 80% at 80% 50%, rgba(201, 164, 108, 0.1), transparent),
    var(--surface);
  border-block: 1px solid var(--border);
  text-align: center;
}

.cta-band h2 {
  margin: 1rem auto 1.25rem;
  max-width: 18ch;
}

.cta-band p {
  color: var(--text-muted);
  max-width: 42ch;
  margin: 0 auto 2rem;
}

.cta-band .hero-actions {
  justify-content: center;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 4rem 0 2rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 28ch;
  line-height: 1.65;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.65rem;
  transition: color 0.25s var(--ease);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Material / expertise chips ---------- */
.expertise-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.chip {
  padding: 0.55rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--surface);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

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

/* ---------- Stats bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stat-cell {
  background: var(--surface);
  padding: 2rem 1.5rem;
  text-align: center;
}

.stat-cell strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.stat-cell span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .card-grid-3 {
    grid-template-columns: 1fr 1fr;
  }

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

  .project-card.span-7,
  .project-card.span-5,
  .project-card.span-4,
  .project-card.span-6,
  .project-card.span-8 {
    grid-column: span 6;
    min-height: 340px;
  }

  .about-split,
  .contact-grid,
  .project-detail {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .project-meta-card {
    position: static;
  }

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

  .service-row {
    grid-template-columns: 60px 1fr;
  }

  .service-tags {
    display: none;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(9, 11, 14, 0.98);
    flex-direction: column;
    justify-content: center;
    gap: 1.75rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s var(--ease);
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    font-size: 1.25rem;
    font-family: var(--font-display);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    margin-left: 0;
  }

  .card-grid-3,
  .card-grid-2 {
    grid-template-columns: 1fr;
  }

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

  .project-card.span-7,
  .project-card.span-5,
  .project-card.span-4,
  .project-card.span-6,
  .project-card.span-8 {
    grid-column: span 1;
    min-height: 300px;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-meta {
    gap: 1.5rem;
  }

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

  .project-gallery img,
  .project-gallery img.full {
    height: 220px;
  }

  .section {
    padding: 4.5rem 0;
  }
}

@media (max-width: 480px) {
  .team-grid {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}