/* ============================================================
   DV ARCHITECTS — Shared Stylesheet
   Incorporating Bignell Shacklady Ewing
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --color-bg:         #0f0f0f;
  --color-surface:    #1a1a1a;
  --color-card:       #222222;
  --color-border:     #2e2e2e;
  --color-gold:       #c9a46e;
  --color-gold-light: #e2c9a0;
  --color-gold-dark:  #a07d4a;
  --color-text:       #f0ede8;
  --color-text-muted: #9a9590;
  --color-white:      #ffffff;
  --color-light-bg:   #f5f2ed;
  --color-light-text: #1a1a1a;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --nav-height: 80px;
  --section-pad: 5rem;
  --container:  1200px;
  --radius:     4px;
  --radius-lg:  8px;

  --transition: 0.3s ease;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-white);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.15rem; }

p  { color: var(--color-text); line-height: 1.8; }

.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  max-width: 720px;
}

.text-gold { color: var(--color-gold); }
.text-muted { color: var(--color-text-muted); }

/* ── Layout ── */
.container {
  width: 90%;
  max-width: var(--container);
  margin: 0 auto;
}

section { padding: var(--section-pad) 0; }

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
  display: block;
}

.section-header {
  margin-bottom: 3rem;
}

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

.section-header .lead {
  max-width: 640px;
}

.section-header.centered {
  text-align: center;
}

.section-header.centered .lead {
  margin: 0 auto;
}

/* Light section variant */
.section-light {
  background: var(--color-light-bg);
}

.section-light h1,
.section-light h2,
.section-light h3,
.section-light h4 {
  color: var(--color-light-text);
}

.section-light p,
.section-light .lead {
  color: #4a4a4a;
}

.section-light .text-muted {
  color: #6a6a6a;
}

.section-surface {
  background: var(--color-surface);
}

/* ── Navigation ── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 90%;
  max-width: var(--container);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-logo-primary {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.nav-logo-secondary {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--color-gold);
  color: var(--color-bg) !important;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta:hover {
  background: var(--color-gold-light) !important;
  transform: translateY(-1px);
}

.nav-cta::after { display: none !important; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 164, 110, 0.3);
}

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

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

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

.btn-outline-gold:hover {
  background: var(--color-gold);
  color: var(--color-bg);
  transform: translateY(-2px);
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1208 50%, #0a0a0a 100%);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 70% 50%, rgba(201, 164, 110, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(201, 164, 110, 0.04) 0%, transparent 70%);
}

/* Architectural grid overlay */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,164,110,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,164,110,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.5) 30%, rgba(0,0,0,0.5) 70%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 4rem 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--color-gold);
}

.hero h1 {
  margin-bottom: 1.5rem;
  max-width: 820px;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-gold);
}

.hero .lead {
  margin-bottom: 2.5rem;
  color: rgba(240, 237, 232, 0.75);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 4rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,164,110,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,164,110,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

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

.page-hero h1 { margin-bottom: 1rem; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a { color: var(--color-gold); }
.breadcrumb-sep { color: var(--color-border); }

/* ── Cards ── */
.card-grid {
  display: grid;
  gap: 1.5rem;
}

.card-grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card-grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card-grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

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

.card:hover {
  border-color: var(--color-gold-dark);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: rgba(201, 164, 110, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.4rem;
}

.card h3 { margin-bottom: 0.75rem; font-size: 1.15rem; }
.card p  { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.7; }

/* ── Project Cards ── */
.project-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.4);
}

.project-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-border);
  position: relative;
  overflow: hidden;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.5rem;
  background: linear-gradient(135deg, #1e1e1e 0%, #2a2a2a 100%);
}

.project-placeholder-icon {
  font-size: 2.5rem;
  opacity: 0.3;
}

.project-placeholder-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0.5;
}

.project-card-body {
  padding: 1.5rem;
}

.project-card-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
  display: block;
}

.project-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.project-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Client Logos ── */
.clients-strip {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.clients-label {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.clients-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
}

.client-logo-item {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  transition: color var(--transition);
  text-align: center;
}

.client-logo-item:hover {
  color: var(--color-gold);
}

/* ── Divider ── */
.divider {
  width: 3rem;
  height: 2px;
  background: var(--color-gold);
  margin: 1.5rem 0;
}

.divider.centered { margin: 1.5rem auto; }

/* ── Sector Cards ── */
.sector-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.sector-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}

.sector-card-header {
  padding: 1.5rem 1.5rem 1rem;
  background: linear-gradient(135deg, var(--color-surface), var(--color-card));
  border-bottom: 1px solid var(--color-border);
}

.sector-card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.sector-card-header h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.sector-card-body {
  padding: 1.5rem 2rem;
}

.sector-card-body ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sector-card-body ul li {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.sector-card-body ul li::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-gold);
  flex-shrink: 0;
}

/* ── Team Grid ── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.team-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
}

.team-avatar {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #1e1e1e, #2a2a2a);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-text-muted);
  opacity: 0.3;
}

.team-info {
  padding: 1.5rem;
}

.team-info h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.team-info .role {
  font-size: 0.8rem;
  color: var(--color-gold);
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.team-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Services List ── */
.service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-border);
}

.service-item:last-child { border-bottom: none; }

.service-item.reverse { direction: rtl; }
.service-item.reverse > * { direction: ltr; }

.service-visual {
  aspect-ratio: 4 / 3;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.service-visual-icon { font-size: 3rem; opacity: 0.4; }
.service-visual-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0.5;
}

.service-content .section-label { margin-bottom: 0.75rem; }
.service-content h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 1rem; }
.service-content p  { margin-bottom: 1.25rem; color: var(--color-text-muted); }

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.service-features li::before {
  content: '✓';
  color: var(--color-gold);
  font-weight: 700;
  flex-shrink: 0;
}

/* ── FAQ / Accordion ── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item {
  background: var(--color-card);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 1.5rem 2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color var(--transition);
}

.faq-question:hover { color: var(--color-gold); }

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--color-gold);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 2rem 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

.contact-office {
  padding: 1.5rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}

.contact-office h4 {
  color: var(--color-gold);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.contact-office p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.contact-office a {
  color: var(--color-gold);
}

.contact-form {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

input, textarea, select {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.8rem 1rem;
  transition: border-color var(--transition);
  outline: none;
  -webkit-appearance: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--color-gold);
}

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

select option { background: var(--color-surface); }

/* ── Intro Split ── */
.intro-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.intro-visual {
  position: relative;
}

.intro-image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, var(--color-surface), var(--color-card));
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.75rem;
}

.intro-image-placeholder .icon { font-size: 4rem; opacity: 0.15; }
.intro-image-placeholder .label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0.4;
}

.intro-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--color-gold);
  color: var(--color-bg);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  min-width: 120px;
}

.intro-badge-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  display: block;
}

.intro-badge-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-top: 0.25rem;
}

/* ── Credentials Strip ── */
.credentials-strip {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}

.credential-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.credential-icon {
  width: 36px;
  height: 36px;
  background: rgba(201,164,110,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

/* ── Banner / CTA Strip ── */
.cta-banner {
  background: linear-gradient(135deg, #1a140a 0%, #221a0c 50%, #1a140a 100%);
  border-top: 1px solid rgba(201,164,110,0.2);
  border-bottom: 1px solid rgba(201,164,110,0.2);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,164,110,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,164,110,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.cta-banner .container { position: relative; }

.cta-banner h2 { margin-bottom: 1rem; }
.cta-banner .lead { margin: 0 auto 2rem; color: rgba(240,237,232,0.65); }

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .nav-logo-primary {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.25rem;
}

.footer-brand .nav-logo-secondary {
  display: block;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 1.25rem;
}

.footer-riba {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid rgba(201,164,110,0.3);
  padding: 0.4rem 0.85rem;
  border-radius: 100px;
}

.footer-col h5 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--color-gold); }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

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

/* ── Utility ── */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.text-center { text-align: center; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  :root { --section-pad: 4rem; }

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

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

  .service-item.reverse { direction: ltr; }

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

  .intro-split {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .intro-badge { bottom: -1rem; right: -0.5rem; }
}

@media (max-width: 768px) {
  :root { --section-pad: 3rem; }

  .nav-links { display: none; }

  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10,10,10,0.98);
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    z-index: 999;
  }

  .hero-stats { gap: 2rem; }

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

  .footer-bottom { flex-direction: column; text-align: center; }

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

  .card-grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

  .cta-banner { padding: 3.5rem 0; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }

  .cta-actions { flex-direction: column; align-items: center; }

  .clients-logos { gap: 1.5rem; }
}

/* ── Print ── */
@media print {
  .site-nav, .site-footer, .cta-banner { display: none; }
  body { background: white; color: black; }
}