/* ============================================================
   IRONCLAD BUILDERS — Design System & Complete Styles
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=Inter:wght@400;500;600&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Concrete Grays (warm undertone) */
  --gray-50:  #F7F7F6;
  --gray-100: #EDEDEB;
  --gray-200: #D6D4D0;
  --gray-300: #B8B5AF;
  --gray-400: #9A968E;
  --gray-500: #7C776D;
  --gray-600: #5E5A52;
  --gray-700: #403D37;
  --gray-800: #28261F;
  --gray-900: #171615;

  /* Steel Blues */
  --blue-50:  #EDF2F7;
  --blue-100: #D4E0ED;
  --blue-200: #A9C1DB;
  --blue-300: #7EA2C9;
  --blue-400: #5383B7;
  --blue-500: #3D6B8E;
  --blue-600: #315672;
  --blue-700: #254156;
  --blue-800: #192C3A;
  --blue-900: #0B1829;

  /* Accent */
  --yellow:   #FFC107;
  --yellow-dark: #E5AC00;

  /* Semantic */
  --primary:    var(--blue-500);
  --primary-dark: var(--blue-600);
  --accent:     var(--yellow);
  --bg:         #FFFFFF;
  --bg-alt:     var(--gray-50);
  --text:       var(--gray-800);
  --text-light: var(--gray-500);
  --heading:    var(--gray-900);
  --border:     var(--gray-200);
  --error:      #D32F2F;
  --success:    #2E7D32;

  /* Typography */
  --font-heading: 'Barlow Condensed', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container: 1200px;
  --radius:    6px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.3s;

  /* Header */
  --header-height: 72px;
  --topbar-height: 40px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: var(--primary); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; border: none; background: none; }
button { cursor: pointer; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--heading);
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* ---------- Utilities ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--space-lg); }
.section { padding: var(--space-4xl) 0; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--blue-900); color: #fff; }
.section--dark h2, .section--dark h3, .section--dark p { color: #fff; }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* Section Headers */
.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: var(--space-md);
}
.section-subtitle {
  font-family: var(--font-body);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary);
  color: #fff;
}
.btn--primary:hover { background: var(--primary-dark); color: #fff; }
.btn--accent {
  background: var(--accent);
  color: var(--gray-900);
}
.btn--accent:hover { background: var(--yellow-dark); color: var(--gray-900); }
.btn--outline {
  border: 2px solid #fff;
  color: #fff;
}
.btn--outline:hover { background: #fff; color: var(--gray-900); }
.btn--outline-dark {
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn--outline-dark:hover { background: var(--primary); color: #fff; }
.btn--sm { padding: 0.6rem 1.25rem; font-size: 0.85rem; }
.btn--lg { padding: 1rem 2.25rem; font-size: 1.05rem; }

/* ---------- Top Bar ---------- */
.topbar {
  background: var(--blue-900);
  color: var(--blue-100);
  font-size: 0.8rem;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar a { color: var(--blue-100); }
.topbar a:hover { color: var(--accent); }
.topbar__left, .topbar__right { display: flex; align-items: center; gap: var(--space-lg); }
.topbar__item { display: flex; align-items: center; gap: var(--space-xs); }
.topbar__item svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--duration) var(--ease), background var(--duration) var(--ease);
}
.header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.header__logo:hover { color: var(--heading); }
.header__logo svg { width: 36px; height: 36px; color: var(--primary); }

.nav { display: flex; align-items: center; gap: var(--space-xl); }
.nav__list { display: flex; gap: var(--space-lg); }
.nav__link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-600);
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--duration) var(--ease);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--duration) var(--ease);
}
.nav__link:hover, .nav__link.active { color: var(--primary); }
.nav__link:hover::after, .nav__link.active::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--heading);
  border-radius: 2px;
  transition: all var(--duration) var(--ease);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Page Hero ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 100%);
  padding: var(--space-4xl) 0 var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 20px,
    rgba(255,255,255,0.02) 20px,
    rgba(255,255,255,0.02) 40px
  );
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: #fff;
  margin-bottom: var(--space-md);
  position: relative;
}
.page-hero p {
  color: var(--blue-200);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}
.page-hero .breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: 0.85rem;
  color: var(--blue-300);
  position: relative;
}
.page-hero .breadcrumb a { color: var(--blue-200); }
.page-hero .breadcrumb a:hover { color: #fff; }

/* ---------- Home Hero ---------- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--gray-900) 100%);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(11,24,41,0.65), rgba(23,22,21,0.7)),
    url('../IMAGES/pexels-expect-best-79873-323780.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__play {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  backdrop-filter: blur(4px);
}
.hero__play:hover { background: rgba(255,255,255,0.25); transform: scale(1.1); }
.hero__play svg { width: 28px; height: 28px; color: #fff; margin-left: 4px; }
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: var(--space-2xl) 0;
}
.hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255,193,7,0.15);
  color: var(--accent);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(255,193,7,0.3);
}
.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: #fff;
  margin-bottom: var(--space-lg);
  line-height: 1.05;
}
.hero__title span { color: var(--accent); }
.hero__text {
  color: var(--blue-200);
  font-size: 1.15rem;
  margin-bottom: var(--space-2xl);
  max-width: 550px;
  line-height: 1.7;
}
.hero__actions { display: flex; gap: var(--space-md); flex-wrap: wrap; margin-bottom: var(--space-2xl); }
.hero__badges {
  display: flex;
  gap: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero__badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--blue-200);
  font-size: 0.85rem;
}
.hero__badge svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }

/* ---------- Stats Bar ---------- */
.stats {
  background: var(--primary);
  padding: var(--space-xl) 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}
.stats__item { color: #fff; }
.stats__number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1;
  margin-bottom: var(--space-xs);
}
.stats__label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
}

/* ---------- Service Cards ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}
.service-card {
  background: #fff;
  border-radius: var(--radius);
  padding: var(--space-2xl) var(--space-xl);
  border: 1px solid var(--border);
  transition: all var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration) var(--ease);
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--primary);
}
.service-card__icon svg { width: 28px; height: 28px; }
.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}
.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
}
.service-card__link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}
.service-card__link svg { width: 16px; height: 16px; transition: transform var(--duration) var(--ease); }
.service-card:hover .service-card__link svg { transform: translateX(4px); }

/* ---------- Project Cards ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}
.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  transition: all var(--duration) var(--ease);
  cursor: pointer;
}
.project-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }
.project-card__image {
  height: 240px;
  position: relative;
  overflow: hidden;
}
.project-card__image .placeholder-img {
  width: 100%;
  height: 100%;
  transition: transform 0.5s var(--ease);
}
.project-card:hover .project-card__image .placeholder-img { transform: scale(1.05); }
.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,24,41,0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}
.project-card:hover .project-card__overlay { opacity: 1; }
.project-card__overlay span {
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}
.project-card__overlay span svg { width: 16px; height: 16px; }
.project-card__body { padding: var(--space-lg); }
.project-card__category {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: var(--space-xs);
}
.project-card__body h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-xs);
}
.project-card__body p {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* ---------- Testimonials ---------- */
.testimonials-wrapper {
  position: relative;
  overflow: hidden;
  margin: 0 -var(--space-lg);
  padding: 0 var(--space-lg);
}
.testimonials-track {
  display: flex;
  transition: transform 0.5s var(--ease);
}
.testimonial-card {
  flex: 0 0 100%;
  padding: 0 var(--space-md);
}
.testimonial-card__inner {
  background: #fff;
  border-radius: var(--radius);
  padding: var(--space-2xl);
  border: 1px solid var(--border);
  position: relative;
}
.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
  color: var(--accent);
}
.testimonial-card__stars svg { width: 18px; height: 18px; }
.testimonial-card__text {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  color: var(--text);
  font-style: italic;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary);
  font-size: 1.1rem;
}
.testimonial-card__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
}
.testimonial-card__role {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* Carousel Controls */
.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration) var(--ease);
  color: var(--gray-500);
}
.carousel-btn:hover { border-color: var(--primary); color: var(--primary); }
.carousel-btn svg { width: 18px; height: 18px; }
.carousel-dots { display: flex; gap: var(--space-sm); }
.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-200);
  border: none;
  transition: all var(--duration) var(--ease);
  cursor: pointer;
}
.carousel-dot.active { background: var(--primary); transform: scale(1.2); }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: var(--primary);
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 20px,
    rgba(255,255,255,0.04) 20px,
    rgba(255,255,255,0.04) 40px
  );
}
.cta-banner .container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}
.cta-banner h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: var(--space-sm); }
.cta-banner p { color: rgba(255,255,255,0.85); font-size: 1rem; }

/* ---------- Footer ---------- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: var(--space-4xl) 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: var(--space-md);
  max-width: 300px;
}
.footer h4 {
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}
.footer__links li { margin-bottom: var(--space-sm); }
.footer__links a {
  color: var(--gray-400);
  font-size: 0.9rem;
  transition: color var(--duration) var(--ease);
}
.footer__links a:hover { color: #fff; }
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
}
.footer__contact-item svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--primary); margin-top: 2px; }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
  font-size: 0.8rem;
}
.footer__bottom-links { display: flex; gap: var(--space-lg); }
.footer__bottom-links a { color: var(--gray-500); }
.footer__bottom-links a:hover { color: #fff; }

/* ---------- Portfolio Page ---------- */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  color: var(--gray-600);
  transition: all var(--duration) var(--ease);
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}
.gallery-item {
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.gallery-item.hidden {
  opacity: 0;
  transform: scale(0.95);
  position: absolute;
  pointer-events: none;
}

/* Project Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration) var(--ease);
}
.modal-backdrop.active { opacity: 1; visibility: visible; }
.modal {
  background: #fff;
  border-radius: var(--radius);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform var(--duration) var(--ease);
}
.modal-backdrop.active .modal { transform: translateY(0); }
.modal__image {
  height: 300px;
  position: relative;
}
.modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background var(--duration) var(--ease);
}
.modal__close:hover { background: rgba(0,0,0,0.8); }
.modal__close svg { width: 20px; height: 20px; }
.modal__body { padding: var(--space-2xl); }
.modal__category {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}
.modal__body h2 { font-size: 1.5rem; margin-bottom: var(--space-lg); }
.modal__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-alt);
  border-radius: var(--radius);
  margin-bottom: var(--space-lg);
}
.modal__meta dt {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light);
}
.modal__meta dd {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--heading);
}
.modal__desc {
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

/* ---------- Services Page ---------- */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-3xl) 0;
}
.service-block:nth-child(even) .service-block__image { order: 2; }
.service-block__image {
  border-radius: var(--radius);
  overflow: hidden;
  height: 400px;
}
.service-block__content { padding: var(--space-lg) 0; }
.service-block__content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-md);
}
.service-block__content p {
  color: var(--text-light);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}
.service-block__features {
  list-style: none;
  margin-bottom: var(--space-xl);
}
.service-block__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: 0.95rem;
}
.service-block__features li svg { width: 18px; height: 18px; color: var(--success); flex-shrink: 0; }

/* Process Timeline */
.process-timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  padding-top: var(--space-2xl);
  margin-top: var(--space-xl);
}
.process-timeline::before {
  content: '';
  position: absolute;
  top: calc(var(--space-2xl) + 25px);
  left: 50px;
  right: 50px;
  height: 3px;
  background: var(--gray-200);
}
.process-timeline__line {
  position: absolute;
  top: calc(var(--space-2xl) + 25px);
  left: 50px;
  height: 3px;
  background: var(--primary);
  width: 0;
  transition: width 1s var(--ease);
}
.process-step {
  text-align: center;
  flex: 1;
  position: relative;
  z-index: 1;
}
.process-step__circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gray-200);
  color: var(--gray-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  transition: all 0.5s var(--ease);
}
.process-step.active .process-step__circle {
  background: var(--primary);
  color: #fff;
  transform: scale(1.15);
}
.process-step h4 {
  font-size: 0.9rem;
  margin-bottom: var(--space-xs);
}
.process-step p {
  font-size: 0.8rem;
  color: var(--text-light);
  max-width: 180px;
  margin: 0 auto;
}

/* ---------- About Page ---------- */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}
.about-story__image {
  border-radius: var(--radius);
  overflow: hidden;
  height: 450px;
}
.about-story__content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-lg);
}
.about-story__content p {
  color: var(--text-light);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

/* History Timeline */
.history-timeline {
  position: relative;
  padding: var(--space-xl) 0;
}
.history-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  background: var(--gray-200);
}
.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-2xl);
  position: relative;
}
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-item__content {
  width: calc(50% - 40px);
  background: #fff;
  padding: var(--space-xl);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.timeline-item:nth-child(odd) .timeline-item__content { margin-right: auto; }
.timeline-item:nth-child(even) .timeline-item__content { margin-left: auto; }
.timeline-item__dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px var(--primary);
  z-index: 1;
}
.timeline-item__year {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: var(--space-xs);
}
.timeline-item__content h3 { font-size: 1rem; margin-bottom: var(--space-sm); }
.timeline-item__content p { font-size: 0.9rem; color: var(--text-light); }

/* Team Cards */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}
.team-card {
  text-align: center;
  background: #fff;
  border-radius: var(--radius);
  padding: var(--space-2xl) var(--space-lg);
  border: 1px solid var(--border);
  transition: all var(--duration) var(--ease);
}
.team-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
.team-card__avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  color: var(--primary);
}
.team-card h3 { font-size: 1.1rem; margin-bottom: var(--space-xs); }
.team-card__role {
  font-size: 0.85rem;
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
}
.team-card p { font-size: 0.9rem; color: var(--text-light); }

/* Certifications */
.certifications {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}
.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}
.cert-badge__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.cert-badge__icon svg { width: 32px; height: 32px; }
.cert-badge span {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-600);
}

/* ---------- Contact Page ---------- */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}
.contact-card {
  text-align: center;
  padding: var(--space-2xl);
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.contact-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  color: var(--primary);
}
.contact-card__icon svg { width: 24px; height: 24px; }
.contact-card h3 { font-size: 1rem; margin-bottom: var(--space-sm); }
.contact-card p { font-size: 0.9rem; color: var(--text-light); }
.contact-card a { font-weight: 600; }

/* RFQ Form */
.rfq-section {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: var(--space-3xl);
  align-items: start;
}
.form-group {
  margin-bottom: var(--space-lg);
}
.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--heading);
  margin-bottom: var(--space-sm);
}
.form-group label .required { color: var(--error); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  transition: border-color var(--duration) var(--ease);
  background: #fff;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-input.error, .form-select.error, .form-textarea.error {
  border-color: var(--error);
}
.form-error {
  font-size: 0.8rem;
  color: var(--error);
  margin-top: var(--space-xs);
  display: none;
}
.form-error.visible { display: block; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239A968E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }

/* File Upload */
.file-upload {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: var(--space-2xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.file-upload:hover, .file-upload.dragover { border-color: var(--primary); background: var(--blue-50); }
.file-upload__icon { margin-bottom: var(--space-md); color: var(--gray-400); }
.file-upload__icon svg { width: 40px; height: 40px; margin: 0 auto; }
.file-upload__text { font-size: 0.95rem; color: var(--text-light); }
.file-upload__text strong { color: var(--primary); }
.file-upload__hint { font-size: 0.8rem; color: var(--gray-400); margin-top: var(--space-xs); }
.file-list { margin-top: var(--space-md); }
.file-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-alt);
  border-radius: var(--radius);
  margin-bottom: var(--space-xs);
  font-size: 0.85rem;
}
.file-list__remove {
  color: var(--error);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  background: none;
  border: none;
}

/* Map Placeholder */
.map-placeholder {
  height: 300px;
  border-radius: var(--radius);
  overflow: hidden;
}

/* Cost Estimator */
.estimator {
  background: #fff;
  border-radius: var(--radius);
  padding: var(--space-2xl);
  border: 1px solid var(--border);
  position: sticky;
  top: calc(var(--header-height) + var(--space-lg));
}
.estimator h3 { font-size: 1.25rem; margin-bottom: var(--space-xl); text-align: center; }
.estimator__group { margin-bottom: var(--space-xl); }
.estimator__label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: var(--space-sm);
  display: block;
}
.estimator__radios { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.estimator__radio {
  flex: 1;
  min-width: 0;
  text-align: center;
  padding: 0.6rem 0.5rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.estimator__radio:hover { border-color: var(--primary); }
.estimator__radio.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.estimator__slider-wrap { position: relative; }
.estimator__slider {
  width: 100%;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--gray-200);
  outline: none;
}
.estimator__slider::-webkit-slider-thumb {
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.estimator__slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.estimator__slider-value {
  text-align: center;
  font-weight: 600;
  font-size: 1.1rem;
  margin-top: var(--space-sm);
  color: var(--heading);
}
.estimator__result {
  background: var(--blue-900);
  color: #fff;
  border-radius: var(--radius);
  padding: var(--space-xl);
  text-align: center;
}
.estimator__result-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
  margin-bottom: var(--space-sm);
}
.estimator__result-amount {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
}
.estimator__result-range {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: var(--space-xs);
}

/* ---------- Placeholder Images ---------- */
.placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.placeholder-img--blue {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-900));
}
.placeholder-img--gray {
  background: linear-gradient(135deg, var(--gray-300), var(--gray-500));
}
.placeholder-img--warm {
  background: linear-gradient(135deg, var(--gray-600), var(--blue-800));
}
.placeholder-img--light {
  background: linear-gradient(135deg, var(--blue-100), var(--blue-200));
}
.placeholder-img svg {
  width: 48px;
  height: 48px;
  color: rgba(255,255,255,0.3);
}
.placeholder-img--light svg { color: rgba(61,107,142,0.3); }

/* Project card images */
.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
.project-card:hover .project-card__image img { transform: scale(1.05); }

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(61,107,142,0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--duration) var(--ease);
  z-index: 900;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-dark); color: #fff; }
.back-to-top svg { width: 20px; height: 20px; }

/* ---------- Animations ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}
[data-animate="fade-left"] { transform: translateX(-30px); }
[data-animate="fade-left"].animated { transform: translateX(0); }
[data-animate="fade-right"] { transform: translateX(30px); }
[data-animate="fade-right"].animated { transform: translateX(0); }
[data-animate="scale"] { transform: scale(0.95); }
[data-animate="scale"].animated { transform: scale(1); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .footer__grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer__grid > :last-child { grid-column: 1 / -1; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .topbar__left span:not(:first-child) { display: none; }

  .hamburger { display: flex; }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    transition: right var(--duration) var(--ease);
    z-index: 999;
    overflow-y: auto;
  }
  .nav.open { right: 0; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__link {
    display: block;
    padding: var(--space-md) 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav .btn { margin-top: var(--space-lg); text-align: center; justify-content: center; }

  .hero { min-height: 75vh; }
  .hero__badges { flex-wrap: wrap; gap: var(--space-md); }

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

  .service-block { grid-template-columns: 1fr; gap: var(--space-xl); }
  .service-block:nth-child(even) .service-block__image { order: 0; }
  .service-block__image { height: 280px; }

  .about-story { grid-template-columns: 1fr; }
  .about-story__image { height: 300px; }

  .history-timeline::before { left: 20px; }
  .timeline-item, .timeline-item:nth-child(even) { flex-direction: row; }
  .timeline-item__content { width: calc(100% - 60px); margin-left: auto !important; margin-right: 0 !important; }
  .timeline-item__dot { left: 20px; transform: translateX(-50%); }

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

  .contact-cards { grid-template-columns: 1fr; }
  .rfq-section { grid-template-columns: 1fr; }
  .estimator { position: static; }

  .process-timeline { flex-direction: column; gap: var(--space-xl); align-items: flex-start; padding-left: 40px; }
  .process-timeline::before {
    top: 0;
    bottom: 0;
    left: 15px;
    right: auto;
    width: 3px;
    height: auto;
  }
  .process-timeline__line {
    top: 0;
    left: 15px;
    width: 3px !important;
    height: 0;
    transition: height 1s var(--ease);
  }
  .process-step { text-align: left; display: flex; align-items: flex-start; gap: var(--space-md); }
  .process-step__circle { margin: 0; flex-shrink: 0; position: relative; left: -40px; }
  .process-step p { max-width: none; }

  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  :root {
    --space-4xl: 3.5rem;
    --space-3xl: 2.5rem;
  }

  .topbar { display: none; }

  .hero__title { font-size: clamp(2rem, 8vw, 2.5rem); }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }

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

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

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

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

  .modal__meta { grid-template-columns: 1fr; }
  .modal__image { height: 200px; }

  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }

  .cta-banner .container { flex-direction: column; text-align: center; }

  .certifications { gap: var(--space-lg); }
}