/* ============================================
   HAWKINS CONSTRUCTION NZ
   Design System — Bechtel-inspired Corporate
   ============================================ */

:root {
  --color-primary: #57727f;
  --color-primary-dark: #3d5562;
  --color-primary-light: #7a9aaa;
  --color-accent: #ff2800;
  --color-accent-hover: #e02200;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f5f6;
  --color-bg-dark: #1a1e22;
  --color-text: #1a1a1a;
  --color-text-muted: #5a6068;
  --color-text-light: #ffffff;
  --color-border: #e0e2e5;
  --color-overlay: rgba(26, 30, 34, 0.65);

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --fs-display: clamp(2.5rem, 5vw, 4.5rem);
  --fs-h1: clamp(2rem, 4vw, 3.2rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.4rem);
  --fs-h3: clamp(1.2rem, 2vw, 1.5rem);
  --fs-body: clamp(0.95rem, 1.2vw, 1.05rem);
  --fs-small: 0.85rem;
  --fs-caption: 0.75rem;

  --space-xs: clamp(0.5rem, 1vw, 0.75rem);
  --space-sm: clamp(0.75rem, 1.5vw, 1.25rem);
  --space-md: clamp(1.5rem, 3vw, 2.5rem);
  --space-lg: clamp(3rem, 6vw, 5rem);
  --space-xl: clamp(4rem, 8vw, 7rem);

  --radius: 3px;
  --header-height: 80px;
  --max-width: 1280px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.15;
  letter-spacing: -0.03em;
  text-wrap: balance;
  font-weight: 700;
}
p { text-wrap: pretty; }

/* ---- UTILITIES ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 3vw, 2.5rem);
}
.section-pad { padding: var(--space-xl) 0; }
.section-pad-sm { padding: var(--space-lg) 0; }
.bg-alt { background: var(--color-bg-alt); }
.bg-dark { background: var(--color-bg-dark); color: var(--color-text-light); }
.text-accent { color: var(--color-accent); }
.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;
}

/* ---- HEADER ---- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s var(--ease-out), background 0.3s var(--ease-out);
}
.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 3vw, 2.5rem);
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  letter-spacing: -0.02em;
}
.header-logo img {
  height: 40px;
  width: auto;
}
.header-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.header-logo .logo-sub {
  font-size: 0.6rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}
.header-nav { display: flex; align-items: center; gap: clamp(1.5rem, 3vw, 2.5rem); }
.header-nav a {
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.25s var(--ease-out);
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease-out);
}
.header-nav a:hover { color: var(--color-primary-dark); }
.header-nav a:hover::after,
.header-nav a.active::after { width: 100%; }
.header-nav a.active { color: var(--color-primary-dark); }

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}
.mobile-toggle span {
  width: 24px; height: 2px;
  background: var(--color-text);
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: flex-end;
  padding-top: var(--header-height);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 30, 34, 0.85) 0%,
    rgba(26, 30, 34, 0.4) 40%,
    rgba(26, 30, 34, 0.2) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-xl) 0 var(--space-lg);
  width: 100%;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}
.hero-eyebrow::before {
  content: '';
  width: 32px; height: 2px;
  background: var(--color-accent);
}
.hero-title {
  font-size: var(--fs-display);
  font-weight: 800;
  color: var(--color-text-light);
  max-width: 800px;
  margin-bottom: var(--space-sm);
}
.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), background 0.25s var(--ease-out);
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 16px rgba(255, 40, 0, 0.3);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
}
.btn-dark {
  background: var(--color-bg-dark);
  color: #fff;
}
.btn-dark:hover {
  background: #2a2f35;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.btn-arrow::after {
  content: '→';
  transition: transform 0.25s var(--ease-out);
}
.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ---- STATS BAR ---- */
.stats-bar {
  background: var(--color-primary-dark);
  color: var(--color-text-light);
  padding: var(--space-md) 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}
.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #fff;
}
.stat-label {
  font-size: var(--fs-small);
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-item .accent-line {
  width: 24px; height: 2px;
  background: var(--color-accent);
  margin-top: 0.25rem;
}

/* ---- SECTION HEADERS ---- */
.section-header {
  margin-bottom: var(--space-lg);
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-caption);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}
.section-eyebrow::before {
  content: '';
  width: 24px; height: 2px;
  background: var(--color-accent);
}
.section-title {
  font-size: var(--fs-h2);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}
.bg-dark .section-title { color: var(--color-text-light); }
.section-desc {
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.7;
}
.bg-dark .section-desc { color: rgba(255,255,255,0.7); }

/* ---- ABOUT INTRO (split layout) ---- */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.about-image::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 60px; height: 4px;
  background: var(--color-accent);
}
.about-text h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-sm);
}
.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}
.about-text p:last-of-type { margin-bottom: var(--space-md); }

/* ---- SECTORS / SERVICES GRID ---- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}
.sector-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s;
}
.sector-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  border-color: var(--color-primary-light);
}
.sector-icon {
  width: 48px; height: 48px;
  margin: 0 auto var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: 50%;
  color: var(--color-primary);
}
.sector-icon svg { width: 24px; height: 24px; }
.sector-card h3 {
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---- PROJECT CARDS ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}
.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
}
.project-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.project-card:hover img {
  transform: scale(1.05);
}
.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,30,34,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-sm);
  transition: background 0.3s var(--ease-out);
}
.project-card:hover .project-overlay {
  background: linear-gradient(to top, rgba(26,30,34,0.95) 0%, rgba(87,114,127,0.3) 100%);
}
.project-tag {
  font-size: var(--fs-caption);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}
.project-name {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
/* Featured project (larger, spans 2 cols) */
.project-card.featured {
  grid-column: span 2;
  aspect-ratio: 16 / 9;
}

/* ---- TESTIMONIALS ---- */
.testimonials-section { overflow: hidden; }
.testimonial-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}
.testimonial-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
}
.testimonial-card .card-bg {
  position: absolute;
  inset: 0;
}
.testimonial-card .card-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.testimonial-card .card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,30,34,0.92) 20%, rgba(26,30,34,0.4) 100%);
}
.testimonial-content {
  position: relative;
  z-index: 1;
  padding: var(--space-md);
}
.testimonial-quote {
  font-size: var(--fs-body);
  color: rgba(255,255,255,0.9);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
  position: relative;
  padding-left: var(--space-sm);
  border-left: 3px solid var(--color-accent);
}
.testimonial-author {
  font-weight: 700;
  color: #fff;
  font-size: var(--fs-small);
}
.testimonial-role {
  font-size: var(--fs-caption);
  color: rgba(255,255,255,0.6);
  margin-top: 0.15rem;
}

/* ---- CTA BANNER ---- */
.cta-banner {
  background: var(--color-primary-dark);
  color: #fff;
  text-align: center;
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: var(--color-accent);
  opacity: 0.08;
  border-radius: 50%;
}
.cta-banner h2 {
  font-size: var(--fs-h1);
  color: #fff;
  margin-bottom: var(--space-xs);
}
.cta-banner p {
  color: rgba(255,255,255,0.7);
  max-width: 500px;
  margin: 0 auto var(--space-md);
}

/* ---- FOOTER ---- */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.8);
  padding: var(--space-xl) 0 var(--space-md);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.footer-brand .footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-brand .footer-logo img {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
}
.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: var(--fs-small);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}
.footer-social {
  display: flex;
  gap: 0.75rem;
}
.footer-social a {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.6);
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}
.footer-social a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(255,40,0,0.08);
}
.footer-social a svg { width: 16px; height: 16px; }
.footer-col h4 {
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  margin-bottom: var(--space-sm);
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--color-accent); }
.footer-offices h4 {
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  margin-bottom: var(--space-sm);
}
.office-item {
  margin-bottom: var(--space-xs);
}
.office-item strong {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.8);
  display: block;
}
.office-item span,
.office-item a {
  font-size: var(--fs-caption);
  color: rgba(255,255,255,0.4);
}
.office-item a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-caption);
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.35); transition: color 0.2s; }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  padding-top: var(--header-height);
  overflow: hidden;
}
.page-hero .hero-bg::after {
  background: linear-gradient(
    to top,
    rgba(26, 30, 34, 0.85) 0%,
    rgba(26, 30, 34, 0.35) 60%,
    rgba(26, 30, 34, 0.2) 100%
  );
}
.page-hero .hero-content {
  padding: var(--space-lg) 0 var(--space-md);
}
.page-hero .hero-title {
  font-size: var(--fs-h1);
}

/* ---- ABOUT PAGE ---- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}
.value-card {
  padding: var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.value-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}
.value-card h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-xs);
}
.value-card p {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}
.value-card .card-accent {
  width: 32px; height: 3px;
  background: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.timeline {
  position: relative;
  padding-left: var(--space-md);
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--color-border);
}
.timeline-item {
  position: relative;
  padding-bottom: var(--space-md);
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(var(--space-md) * -1 - 5px);
  top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-primary);
}
.timeline-year {
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}
.timeline-item h3 {
  font-size: var(--fs-h3);
  margin-bottom: 0.35rem;
}
.timeline-item p {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

/* ---- CONTACT PAGE ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}
.contact-form { display: flex; flex-direction: column; gap: var(--space-sm); }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(87,114,127,0.12);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.offices-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.office-card {
  padding: var(--space-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-primary);
}
.office-card h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}
.office-card p {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}
.office-card a {
  font-size: var(--fs-small);
  color: var(--color-primary);
  font-weight: 600;
  transition: color 0.2s;
}
.office-card a:hover { color: var(--color-accent); }

/* ---- SCROLL ANIMATIONS ---- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.1s; }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.2s; }
.stagger-5 { transition-delay: 0.25s; }
.stagger-6 { transition-delay: 0.3s; }
.stagger-7 { transition-delay: 0.35s; }
.stagger-8 { transition-delay: 0.4s; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
  .about-split { grid-template-columns: 1fr; gap: var(--space-md); }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card.featured { grid-column: span 2; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .offices-detail { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }

  .header-nav { display: none; }
  .header-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 999;
  }
  .header-nav.open a {
    font-size: 1.25rem;
    color: var(--color-text);
  }
  .mobile-toggle { display: flex; }

  .hero { min-height: 70vh; }
  .hero-title { font-size: clamp(2rem, 8vw, 3rem); }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }

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

  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }

  .testimonial-cards { grid-template-columns: 1fr; }

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

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

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

  .page-hero { min-height: 40vh; }
}

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