/* ==========================================================
   RenovExpert — Styles principaux
   Mobile-first, breakpoints: 640px / 768px / 1024px
   ========================================================== */

/* ----------------------------------------------------------
   0. CUSTOM PROPERTIES
---------------------------------------------------------- */
:root {
  --color-primary: #1B4F72;
  --color-accent: #E67E22;
  --color-bg: #FFFFFF;
  --color-surface: #F4F6F9;
  --color-text: #1A252F;
  --color-muted: #5D6D7E;
  --color-dark: #0D2137;
  --color-accent-dark: #CA6F1E;
  --color-primary-light: #2471A3;

  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.14);

  --transition: 0.25s ease;

  --container-max: 1180px;
  --section-gap: 80px;
}

/* ----------------------------------------------------------
   1. RESET & BASE
---------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  background: none;
}

/* ----------------------------------------------------------
   2. UTILITIES
---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .container { padding: 0 32px; }
}

.section-padding {
  padding: 60px 0;
}

@media (min-width: 1024px) {
  .section-padding { padding: var(--section-gap) 0; }
}

.accent { color: var(--color-accent); }

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--color-dark);
  line-height: 1.15;
  margin-bottom: 14px;
}

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

/* ----------------------------------------------------------
   3. BUTTONS
---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius-full);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), color var(--transition);
  white-space: nowrap;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 126, 34, .35);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg { padding: 14px 30px; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* ----------------------------------------------------------
   4. EMERGENCY BANNER
---------------------------------------------------------- */
.emergency-banner {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.9rem;
}

.emergency-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 20px;
  flex-wrap: wrap;
  text-align: center;
}

.emergency-icon {
  font-size: 1rem;
  flex-shrink: 0;
}

.emergency-text {
  flex: 1 1 auto;
  text-align: center;
}

.emergency-phone {
  background: #fff;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  transition: opacity var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.emergency-phone:hover { opacity: 0.85; }

.emergency-close {
  color: #fff;
  font-size: 1rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  flex-shrink: 0;
  line-height: 1;
}

.emergency-close:hover { background: rgba(0,0,0,.15); }

/* ----------------------------------------------------------
   5. NAVIGATION
---------------------------------------------------------- */
.nav-wrapper {
  position: sticky;
  top: 42px; /* height of emergency banner */
  z-index: 100;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.nav-wrapper.scrolled { box-shadow: var(--shadow-md); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-icon {
  font-size: 1.4rem;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-logo-text strong {
  color: var(--color-accent);
}

.nav-links {
  display: none;
  gap: 4px;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
    align-items: center;
  }
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
  color: var(--color-primary);
  background: var(--color-surface);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-phone {
  display: none;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary);
  transition: color var(--transition);
}

.nav-phone:hover { color: var(--color-accent); }

@media (min-width: 768px) {
  .nav-phone { display: flex; }
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--radius-sm);
}

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
}

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

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu overlay */
.nav-links.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  box-shadow: var(--shadow-md);
  padding: 16px 20px 24px;
  gap: 2px;
  z-index: 99;
}

.nav-links.open .nav-link {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  width: 100%;
}

/* ----------------------------------------------------------
   6. HERO
---------------------------------------------------------- */
.hero {
  display: flex;
  flex-direction: column;
  min-height: 85vh;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero {
    flex-direction: row;
    min-height: 88vh;
  }
}

.hero-left {
  flex: 1 1 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 24px 48px;
  background: var(--color-dark);
  color: #fff;
}

@media (min-width: 768px) {
  .hero-left { padding: 80px 48px 60px; }
}

@media (min-width: 1024px) {
  .hero-left { padding: 80px 64px; }
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.hero-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  color: #fff;
  margin-bottom: 18px;
}

.hero-title .accent { color: var(--color-accent); }

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,.75);
  max-width: 480px;
  margin-bottom: 28px;
  line-height: 1.7;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
}

.badge svg { opacity: 0.8; flex-shrink: 0; }

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 480px) {
  .hero-ctas { flex-direction: row; flex-wrap: wrap; }
}

.hero-right {
  flex: 1 1 50%;
  position: relative;
  min-height: 320px;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero-right { min-height: auto; }
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--color-accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.hero-image-badge strong {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.hero-image-badge span {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.9;
  margin-top: 2px;
}

/* ----------------------------------------------------------
   7. TRUST BAR
---------------------------------------------------------- */
.trust-bar {
  background: var(--color-surface);
  border-top: 1px solid rgba(0,0,0,.06);
  border-bottom: 1px solid rgba(0,0,0,.06);
  padding: 28px 0;
}

.trust-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .trust-list { grid-template-columns: repeat(4, 1fr); }
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.trust-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.trust-info {
  display: flex;
  flex-direction: column;
}

.trust-info strong {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.2;
}

.trust-info span {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* ----------------------------------------------------------
   8. SERVICES
---------------------------------------------------------- */
.services { background: var(--color-bg); }

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(4, 1fr); }
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

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

.service-card--urgent {
  background: #FEF9F4;
  border-color: rgba(230,126,34,.3);
}

.service-card--urgent:hover {
  border-color: var(--color-accent);
}

.service-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 10px;
  line-height: 1.2;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 20px;
}

.service-link {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary);
  transition: color var(--transition);
  text-decoration: none;
  margin-top: auto;
}

.service-link:hover { color: var(--color-accent); }

.service-link--urgent { color: var(--color-accent); }
.service-link--urgent:hover { color: var(--color-accent-dark); }


/* ----------------------------------------------------------
   10. STATS
---------------------------------------------------------- */
.stats-section {
  background: var(--color-dark);
  padding: 64px 0;
}

.stats-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

@media (min-width: 768px) {
  .stats-grid {
    flex-direction: row;
    justify-content: center;
    gap: 0;
  }
}

.stat-item {
  text-align: center;
  flex: 1;
  padding: 0 32px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 1rem;
  color: rgba(255,255,255,.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.stat-divider {
  display: none;
}

@media (min-width: 768px) {
  .stat-divider {
    display: block;
    width: 1px;
    height: 80px;
    background: rgba(255,255,255,.15);
    flex-shrink: 0;
  }
}

/* ----------------------------------------------------------
   11. TESTIMONIALS
---------------------------------------------------------- */
.testimonials { background: var(--color-bg); }

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 2px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

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

.testimonial-stars {
  color: var(--color-accent);
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-style: italic;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.7;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(0,0,0,.07);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--color-dark);
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* ----------------------------------------------------------
   12. ZONE D'INTERVENTION
---------------------------------------------------------- */
.zone { background: var(--color-surface); }

.zone-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 1024px) {
  .zone-grid { grid-template-columns: 1fr 1fr; align-items: start; }
}

.zone-map iframe {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.zone-info-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 20px;
}

.zone-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.zone-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--color-text);
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0,0,0,.07);
}

.zone-list li svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.zone-list li:last-child { border-bottom: none; }

.zone-cta-box {
  background: var(--color-primary);
  color: #fff;
  padding: 24px;
  border-radius: var(--radius-md);
}

.zone-cta-box p {
  font-size: 0.95rem;
  line-height: 1.6;
  opacity: 0.9;
  margin-bottom: 16px;
}

/* ----------------------------------------------------------
   13. CONTACT
---------------------------------------------------------- */
.contact { background: var(--color-bg); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 320px 1fr; align-items: start; }
}

.contact-sidebar {
  background: var(--color-dark);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-block {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-info-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info-block strong {
  display: block;
  color: rgba(255,255,255,.6);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-block a,
.contact-info-block span {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  word-break: break-all;
}

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

.hours-list {
  color: #fff;
}

.hours-list li {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding: 3px 0;
}

.hours-list li span {
  font-weight: 700;
  color: rgba(255,255,255,.85);
}

.hours-urgent {
  color: var(--color-accent) !important;
  font-weight: 700;
}

.hours-urgent span {
  color: var(--color-accent) !important;
}

/* Form */
.contact-form-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 32px 28px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid #D1D9E0;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,79,114,.12);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-group select { appearance: none; cursor: pointer; }

.form-group--consent label {
  font-weight: 400;
  font-size: 0.85rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  color: var(--color-muted);
  line-height: 1.5;
}

.checkbox-label input {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-feedback {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
}

.form-feedback--success {
  background: #D4EDDA;
  color: #155724;
  border: 1px solid #C3E6CB;
}

.form-feedback--error {
  background: #F8D7DA;
  color: #721C24;
  border: 1px solid #F5C6CB;
}

/* ----------------------------------------------------------
   14. FOOTER
---------------------------------------------------------- */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.footer-logo .nav-logo-text {
  color: #fff;
}

.footer-logo .nav-logo-text strong {
  color: var(--color-accent);
}

.footer-tagline {
  font-style: italic;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: rgba(255,255,255,.5);
}

.footer-address {
  font-size: 0.85rem;
  color: rgba(255,255,255,.4);
}

.footer-links-col h4,
.footer-contact-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px;
}

.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links-col a {
  font-size: 0.9rem;
  color: rgba(255,255,255,.7);
  transition: color var(--transition);
}

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

.footer-cta-phone,
.footer-cta-email {
  display: block;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 8px;
  transition: color var(--transition);
  word-break: break-all;
}

.footer-cta-phone:hover,
.footer-cta-email:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,.4);
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom a {
  color: var(--color-accent);
  font-weight: 600;
  transition: opacity var(--transition);
}

.footer-bottom a:hover { opacity: 0.8; }

/* ----------------------------------------------------------
   15. WHATSAPP FLOATING BUTTON
---------------------------------------------------------- */
.whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 58px;
  height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, .45);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, .55);
}

/* ----------------------------------------------------------
   16. MISC — Banner hidden state
---------------------------------------------------------- */
.emergency-banner.hidden {
  display: none;
}

/* When emergency banner is hidden, nav top resets */
.emergency-banner.hidden ~ .nav-wrapper {
  top: 0;
}

/* ----------------------------------------------------------
   17. ACCESSIBILITY & FOCUS
---------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* ----------------------------------------------------------
   18. ACTIVE NAV LINK
---------------------------------------------------------- */
.nav-link.active {
  color: var(--color-primary);
  background: var(--color-surface);
  font-weight: 700;
}

/* ----------------------------------------------------------
   19. PRINT
---------------------------------------------------------- */
@media print {
  .emergency-banner,
  .nav-toggle,
  .whatsapp-btn,
  .ba-range { display: none; }
}