/* ==========================================================================
   JERSOL CONSTRUCTION ELECTRICAL PROJECTS — STYLESHEET
   Organised sections: Variables, Reset, Base, Layout, Header, Hero,
   About, Services, Projects, Why Choose, Compliance, Gallery,
   Testimonials, Quote Form, Contact, Map, Final CTA, Footer,
   Floating WhatsApp, Mobile Bar, Utilities, Animations, Responsive
   ========================================================================== */

/* ------------------------- 1. CSS VARIABLES ------------------------- */
:root {
  --color-navy-900: #0b2136;
  --color-navy-800: #0f2a47;
  --color-navy-700: #16324f;
  --color-navy-600: #1f3f61;
  --color-gold: #c9a227;
  --color-gold-light: #e0bf4f;
  --color-white: #ffffff;
  --color-grey-50: #f6f7f9;
  --color-grey-100: #eceef1;
  --color-grey-300: #cdd3da;
  --color-grey-500: #6b7280;
  --color-grey-700: #3f4650;
  --color-text: #1c2530;

  --font-heading: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Inter', Arial, Helvetica, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --radius-sm: 4px;
  --radius-md: 8px;

  --shadow-sm: 0 2px 8px rgba(11, 33, 54, 0.08);
  --shadow-md: 0 8px 24px rgba(11, 33, 54, 0.12);

  --container-width: 1180px;
  --transition-fast: 0.2s ease;
  --transition-med: 0.4s ease;
}

/* ------------------------- 2. RESET ------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body, h1, h2, h3, h4, p, ul, figure { margin: 0; }

ul { padding: 0; list-style: none; }

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

button { font: inherit; cursor: pointer; border: none; background: none; }

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

/* ------------------------- 3. BASE ------------------------- */
body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-navy-800);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { color: var(--color-grey-700); }

section { padding: var(--space-2xl) 0; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

.section-header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-tag {
  color: var(--color-gold);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  display: inline-block;
  margin-bottom: var(--space-xs);
}

.section-header p {
  margin-top: var(--space-sm);
  font-size: 1.05rem;
}

.bg-alt { background: var(--color-grey-50); }
.bg-navy { background: var(--color-navy-800); color: var(--color-white); }
.bg-navy h2, .bg-navy h3 { color: var(--color-white); }
.bg-navy p { color: var(--color-grey-300); }

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

/* ------------------------- 4. BUTTONS ------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: var(--color-gold);
  color: var(--color-navy-900);
}
.btn-primary:hover { background: var(--color-gold-light); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.btn-secondary {
  background: var(--color-white);
  color: var(--color-navy-800);
  border: 2px solid var(--color-white);
}
.btn-secondary:hover { background: transparent; color: var(--color-white); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--color-navy-800);
  border: 2px solid var(--color-navy-800);
}
.btn-outline:hover { background: var(--color-navy-800); color: var(--color-white); }

.btn-whatsapp {
  background: #25d366;
  color: var(--color-white);
}
.btn-whatsapp:hover { background: #1fb955; transform: translateY(-2px); }

.btn-block { width: 100%; }

/* ------------------------- 5. HEADER / NAV ------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  line-height: 1;
  flex: 0 0 auto;
}

.nav-logo img {
  height: 60px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-logo strong {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-navy-800);
  font-weight: 800;
}

.nav-logo span {
  font-size: 0.7rem;
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-navy-700);
  position: relative;
  padding: 0.3rem 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active { color: var(--color-gold); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta { margin-left: var(--space-sm); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  z-index: 600;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-navy-800);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* Hide mobile-only panel and overlay on desktop by default */
.nav-mobile-panel,
.nav-overlay {
  display: none;
}

/* ------------------------- 6. HERO ------------------------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,33,54,0.88) 0%, rgba(11,33,54,0.75) 45%, rgba(11,33,54,0.92) 100%),
              url("assets/images/Jersol Interior 3.jpg") center/cover no-repeat;
  background-color: var(--color-navy-900);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-content h1 { color: var(--color-white); }

.hero-content p {
  color: var(--color-grey-100);
  font-size: 1.15rem;
  margin-top: var(--space-md);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: var(--space-lg);
}

.hero-trust {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.2);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-grey-100);
}

.hero-trust-item svg { width: 22px; height: 22px; color: var(--color-gold); flex-shrink: 0; }

/* ------------------------- 7. ABOUT ------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-text p { margin-bottom: var(--space-sm); }

.about-address {
  display: flex;
  gap: 0.75rem;
  padding: var(--space-md);
  background: var(--color-grey-50);
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius-sm);
  margin-top: var(--space-md);
}

.about-address svg { width: 22px; height: 22px; color: var(--color-navy-800); flex-shrink: 0; margin-top: 2px; }

.about-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  margin-top: var(--space-md);
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-navy-700);
}

.about-list svg { width: 18px; height: 18px; color: var(--color-gold); flex-shrink: 0; }

.about-media {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/5;
  background: var(--color-navy-700);
}

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

.image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.5rem;
  background: repeating-linear-gradient(45deg, var(--color-navy-700), var(--color-navy-700) 12px, var(--color-navy-600) 12px, var(--color-navy-600) 24px);
  color: var(--color-grey-100);
  text-align: center;
  padding: var(--space-md);
  font-size: 0.85rem;
}

.image-placeholder svg { width: 32px; height: 32px; color: var(--color-gold); }

/* ------------------------- 8. SERVICES ------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-grey-100);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold);
}

.service-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-navy-800);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.service-icon svg { width: 26px; height: 26px; color: var(--color-gold); }

.service-card h3 { margin-bottom: 0.6rem; }
.service-card p { font-size: 0.92rem; margin-bottom: var(--space-md); }

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-navy-800);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.card-link svg { width: 14px; height: 14px; }
.card-link:hover { color: var(--color-gold); gap: 0.6rem; }

/* ------------------------- 9. PROJECTS ------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--color-white);
}

.project-media {
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
}

.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-med); }
.project-card:hover .project-media img { transform: scale(1.06); }

.project-tag {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  background: var(--color-navy-900);
  color: var(--color-gold);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
}

.project-body { padding: var(--space-sm) var(--space-md) var(--space-md); }
.project-body h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.project-body p { font-size: 0.88rem; margin: 0; }

/* ------------------------- 10. WHY CHOOSE ------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.why-card {
  padding: var(--space-lg) var(--space-md);
  text-align: left;
  border-top: 3px solid var(--color-gold);
  background: var(--color-navy-700);
  border-radius: var(--radius-sm);
}

.why-card h3 { color: var(--color-white); margin-bottom: 0.6rem; }
.why-card p { color: var(--color-grey-300); font-size: 0.92rem; margin: 0; }

.why-icon { margin-bottom: var(--space-sm); }
.why-icon svg { width: 30px; height: 30px; color: var(--color-gold); }

/* ------------------------- 11. COMPLIANCE ------------------------- */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.compliance-card {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-grey-100);
  border-radius: var(--radius-md);
}

.compliance-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-grey-50);
  display: flex;
  align-items: center;
  justify-content: center;
}
.compliance-icon svg { width: 24px; height: 24px; color: var(--color-navy-800); }

.compliance-card h3 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.compliance-card p { font-size: 0.88rem; margin: 0; }

.compliance-note {
  margin-top: var(--space-md);
  font-size: 0.82rem;
  color: var(--color-grey-500);
  font-style: italic;
}

/* ------------------------- 12. GALLERY ------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.gallery-item {
  position: relative;
  aspect-ratio: 1/1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img,
.gallery-item .image-placeholder { transition: transform var(--transition-med); }

.gallery-item:hover img,
.gallery-item:hover .image-placeholder { transform: scale(1.08); }

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,33,54,0) 50%, rgba(11,33,54,0.7) 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.gallery-item:hover::after { opacity: 1; }

.gallery-caption {
  position: absolute;
  left: 0.8rem;
  bottom: 0.6rem;
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 1;
}

.gallery-item:hover .gallery-caption { opacity: 1; transform: translateY(0); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(11, 21, 33, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 900;
  padding: var(--space-md);
}

.lightbox.is-open { display: flex; }

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
}

.lightbox-image-wrap {
  aspect-ratio: 4/3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-navy-700);
}

.lightbox-image-wrap img { width: 100%; height: 100%; object-fit: cover; }

.lightbox-caption {
  color: var(--color-grey-100);
  text-align: center;
  margin-top: var(--space-sm);
  font-size: 0.9rem;
}

.lightbox-close {
  position: absolute;
  top: -3rem;
  right: 0;
  color: var(--color-white);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: background var(--transition-fast);
}
.lightbox-close:hover { background: rgba(255,255,255,0.22); }
.lightbox-close svg { width: 20px; height: 20px; }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-white);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: background var(--transition-fast);
}
.lightbox-nav:hover { background: rgba(255,255,255,0.22); }
.lightbox-nav svg { width: 22px; height: 22px; }
.lightbox-prev { left: -3.5rem; }
.lightbox-next { right: -3.5rem; }

/* ------------------------- 13. TESTIMONIALS ------------------------- */
.testimonials-empty {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  background: var(--color-grey-50);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-grey-300);
  max-width: 640px;
  margin: 0 auto;
}

.testimonials-empty svg { width: 42px; height: 42px; color: var(--color-gold); margin-bottom: var(--space-sm); }
.testimonials-empty h3 { margin-bottom: 0.4rem; }
.testimonials-empty p { margin: 0; }

/* ------------------------- 14. QUOTE FORM ------------------------- */
.quote-wrap {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: var(--space-2xl);
  align-items: start;
}

.quote-form {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group { margin-bottom: var(--space-md); }

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 0.4rem;
  color: var(--color-navy-800);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--color-grey-300);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-fast);
}

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

.form-group textarea { resize: vertical; min-height: 110px; }

.form-error {
  color: #b3261e;
  font-size: 0.8rem;
  margin-top: 0.3rem;
  display: none;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea { border-color: #b3261e; }

.form-group.has-error .form-error { display: block; }

.form-confirmation {
  display: none;
  align-items: flex-start;
  gap: 0.75rem;
  background: #eef7ee;
  border: 1px solid #b7ddb9;
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.form-confirmation.is-visible { display: flex; }

.form-confirmation svg { width: 22px; height: 22px; color: #2e7d32; flex-shrink: 0; margin-top: 2px; }
.form-confirmation p { margin: 0; font-size: 0.9rem; color: #2e4a2e; }

.quote-aside {
  background: var(--color-navy-800);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.quote-aside h3 { color: var(--color-white); margin-bottom: 0.6rem; }
.quote-aside p { color: var(--color-grey-300); margin-bottom: var(--space-md); font-size: 0.92rem; }

.quote-aside-list { margin-top: var(--space-md); }
.quote-aside-list li {
  display: flex;
  gap: 0.6rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
  color: var(--color-grey-100);
}
.quote-aside-list li:last-child { border-bottom: none; }
.quote-aside-list svg { width: 18px; height: 18px; color: var(--color-gold); flex-shrink: 0; margin-top: 2px; }

/* ------------------------- 15. CONTACT ------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-card {
  background: var(--color-white);
  border: 1px solid var(--color-grey-100);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}

.contact-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto var(--space-sm);
  border-radius: 50%;
  background: var(--color-navy-800);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-icon svg { width: 24px; height: 24px; color: var(--color-gold); }

.contact-card h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.contact-card p { font-size: 0.92rem; margin: 0; }

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

/* ------------------------- 16. MAP / LOCATION ------------------------- */
.location-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  background: var(--color-grey-50);
  border: 1px solid var(--color-grey-100);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.location-info { display: flex; gap: 0.9rem; align-items: flex-start; }
.location-info svg { width: 28px; height: 28px; color: var(--color-gold); flex-shrink: 0; }
.location-info h3 { margin-bottom: 0.3rem; }
.location-info p { margin: 0; }

/* ------------------------- 17. FINAL CTA ------------------------- */
.final-cta {
  text-align: center;
  background: linear-gradient(135deg, var(--color-navy-900) 0%, var(--color-navy-700) 100%);
  color: var(--color-white);
}

.final-cta h2 { color: var(--color-white); max-width: 720px; margin: 0 auto; }
.final-cta p { color: var(--color-grey-300); max-width: 560px; margin: var(--space-sm) auto var(--space-lg); }

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

.final-cta-phone {
  margin-top: var(--space-lg);
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-gold);
}

/* ------------------------- 18. FOOTER ------------------------- */
.site-footer {
  background: var(--color-navy-900);
  color: var(--color-grey-300);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand strong {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-white);
  display: block;
  margin-bottom: 0.6rem;
}

.footer-brand p { color: var(--color-grey-300); font-size: 0.9rem; max-width: 320px; }

.footer-heading {
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { font-size: 0.9rem; color: var(--color-grey-300); transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--color-gold); }

.footer-contact li {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
}
.footer-contact svg { width: 16px; height: 16px; color: var(--color-gold); flex-shrink: 0; margin-top: 3px; }

.footer-bottom {
  padding-top: var(--space-md);
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-grey-500);
}

/* ------------------------- 19. FLOATING WHATSAPP ------------------------- */
.float-whatsapp {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 400;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: #25d366;
  color: var(--color-white);
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform var(--transition-fast);
}
.float-whatsapp:hover { transform: translateY(-3px) scale(1.03); }
.float-whatsapp svg { width: 22px; height: 22px; }

/* ------------------------- 20. MOBILE CONTACT BAR ------------------------- */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 450;
  background: var(--color-navy-900);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.2);
}

.mobile-bar-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.mobile-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.7rem 0.5rem;
  color: var(--color-grey-100);
  font-size: 0.72rem;
  font-weight: 700;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.mobile-bar a:last-child { border-right: none; }
.mobile-bar a svg { width: 20px; height: 20px; color: var(--color-gold); }
.mobile-bar a.mobile-bar-whatsapp svg { color: #25d366; }

/* ------------------------- 21. ANIMATIONS ------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ------------------------- 22. RESPONSIVE ------------------------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .compliance-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-media { order: -1; max-width: 480px; margin: 0 auto; }
  .quote-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
  .nav-logo img { height: 52px; }
}

@media (max-width: 640px) {
  .nav-logo img { height: 44px; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .nav-mobile-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 84vw);
    background: var(--color-white);
    box-shadow: -8px 0 24px rgba(0,0,0,0.15);
    transform: translateX(100%);
    transition: transform var(--transition-med);
    z-index: 550;
    padding: 5.5rem var(--space-md) var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    overflow-y: auto;
  }

  .nav-mobile-panel.is-open { transform: translateX(0); }

  .nav-mobile-panel a {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-navy-800);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-grey-100);
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11,33,54,0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: 540;
  }
  .nav-overlay.is-open { opacity: 1; pointer-events: auto; }

  .hero-trust { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .mobile-bar { display: block; }
  body { padding-bottom: 58px; }
  .float-whatsapp { bottom: 78px; }
}

@media (max-width: 640px) {
  section { padding: var(--space-xl) 0; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .hero-trust { grid-template-columns: 1fr 1fr; }
  .hero-actions .btn { flex: 1 1 auto; }
  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
  .lightbox-close { top: 0.5rem; right: 0.5rem; }
  .location-card { flex-direction: column; align-items: flex-start; }
}