/* ============================================
   IMMO VISION 17 — MAIN STYLES
   ============================================ */

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav-logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--black);
  font-weight: var(--weight-bold);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-light);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.nav-logo-text span {
  color: var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-second);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-out);
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(8,8,8,0.97);
  backdrop-filter: blur(20px);
  z-index: var(--z-nav);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
  padding: var(--space-8) var(--space-6);
  gap: var(--space-6);
}

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

.nav-mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-light);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-6);
  transition: color var(--duration-fast);
}

.nav-mobile-link:hover { color: var(--gold); }

/* ── Hero ── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.hero-video-fallback {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0A0A0A 0%, #141414 50%, #0A0A0A 100%);
  position: relative;
  overflow: hidden;
}

.hero-video-fallback::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 30% 40%, rgba(201,169,110,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 70% 60%, rgba(201,169,110,0.04) 0%, transparent 60%);
}

/* Fond photo hero — zoom lent cinématique */
.hero-bg-photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  animation: heroZoom 22s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.08) translateY(0); }
  to   { transform: scale(1.18) translateY(-14px); }
}

/* hero-canvas (particules subtiles au-dessus de la photo) */
#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  opacity: 0.5;
  mix-blend-mode: screen;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(8,8,8,0.92) 0%, rgba(8,8,8,0.62) 42%, rgba(8,8,8,0.30) 70%, rgba(8,8,8,0.50) 100%),
    linear-gradient(to bottom, rgba(8,8,8,0.35) 0%, rgba(8,8,8,0.1) 30%, rgba(8,8,8,0.55) 78%, rgba(8,8,8,1) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero-label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: goldPulse 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: var(--weight-light);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-6);
}

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

.hero-subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--text-second);
  line-height: var(--leading-loose);
  max-width: 640px;
  margin-bottom: var(--space-10);
  font-weight: var(--weight-light);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  cursor: pointer;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── Stats Bar ── */
.stats-bar {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-light);
  color: var(--gold);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-second);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* ── Section ── */
.section {
  padding: var(--space-32) 0;
}

.section-sm {
  padding: var(--space-20) 0;
}

.section-header {
  margin-bottom: var(--space-16);
}

.section-header.centered {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--weight-light);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-top: var(--space-4);
}

/* ── Promise Banner ── */
.promise-banner {
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-16);
  position: relative;
  overflow: hidden;
}

.promise-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.promise-banner-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-light);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
}

.promise-banner-text {
  color: var(--text-second);
  font-size: var(--text-lg);
  line-height: var(--leading-loose);
}

/* ── Services ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

.service-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 52px;
  height: 52px;
  background: var(--gold-glow);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  font-size: var(--text-xl);
  color: var(--gold);
}

.service-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semi);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.service-desc {
  font-size: var(--text-sm);
  color: var(--text-second);
  line-height: var(--leading-loose);
}

/* ── Property Cards ── */
.property-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.property-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

.property-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

.property-card-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--surface-2);
}

.property-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.property-card:hover .property-card-image img {
  transform: scale(1.08);
}

/* Dégradé bas sur les photos de cartes (lisibilité badges) */
.property-card-overlay-grad {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,8,8,0.55) 0%, rgba(8,8,8,0.05) 40%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}
.property-card-badges, .property-card-actions, .property-card-media-badges { z-index: 2; }

.property-card-badges {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  display: flex;
  gap: var(--space-2);
}

.property-card-actions {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: flex;
  gap: var(--space-2);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.property-card:hover .property-card-actions {
  opacity: 1;
}

.property-card-action-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(8,8,8,0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--duration-fast);
  cursor: pointer;
}

.property-card-action-btn:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.property-card-media-badges {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  display: flex;
  gap: var(--space-2);
}

.media-badge {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 10px;
  background: rgba(8,8,8,0.8);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.property-card-body {
  padding: var(--space-6);
}

.property-card-price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-light);
  color: var(--gold);
  margin-bottom: var(--space-2);
}

.property-card-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.property-card-location {
  font-size: var(--text-sm);
  color: var(--text-second);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.property-card-specs {
  display: flex;
  gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.property-card-spec {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-second);
}

.property-card-spec-icon {
  color: var(--gold);
  font-size: var(--text-base);
}

/* ── Process Steps ── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(90deg, var(--border), var(--gold), var(--border));
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--gold);
  margin-inline: auto;
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.process-step-title {
  font-size: var(--text-base);
  font-weight: var(--weight-semi);
  margin-bottom: var(--space-3);
}

.process-step-desc {
  font-size: var(--text-sm);
  color: var(--text-second);
  line-height: var(--leading-loose);
}

/* ── Testimonials ── */
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.testimonial-stars {
  color: var(--gold);
  font-size: var(--text-sm);
  letter-spacing: 2px;
  margin-bottom: var(--space-4);
}

.testimonial-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-light);
  line-height: var(--leading-loose);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface-2);
  overflow: hidden;
  border: 2px solid var(--border-gold);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--weight-bold);
  color: var(--gold);
  font-size: var(--text-sm);
}

.testimonial-name {
  font-weight: var(--weight-semi);
  font-size: var(--text-sm);
}

.testimonial-role {
  font-size: var(--text-xs);
  color: var(--text-second);
}

/* ── CTA Section ── */
.cta-section {
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-20) var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201,169,110,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--weight-light);
  margin-bottom: var(--space-4);
}

.cta-text {
  color: var(--text-second);
  font-size: var(--text-lg);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: var(--leading-loose);
}

/* ── Footer ── */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-8);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-light);
  margin-bottom: var(--space-4);
}

.footer-logo span { color: var(--gold); }

.footer-desc {
  font-size: var(--text-sm);
  color: var(--text-second);
  line-height: var(--leading-loose);
  max-width: 280px;
  margin-bottom: var(--space-6);
}

.footer-socials {
  display: flex;
  gap: var(--space-3);
}

.footer-social {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-second);
  font-size: var(--text-sm);
  transition: all var(--duration-fast);
}

.footer-social:hover {
  background: var(--gold-glow);
  border-color: var(--border-gold);
  color: var(--gold);
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-second);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--text-second);
  transition: color var(--duration-fast);
}

.footer-link:hover { color: var(--gold); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-copy {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.footer-efficity {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.footer-efficity-badge {
  padding: 3px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-weight: var(--weight-medium);
  color: var(--text-second);
}

/* ── Cookie Banner ── */
.cookie-banner {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  right: var(--space-6);
  max-width: 500px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  z-index: var(--z-overlay);
  box-shadow: var(--shadow-xl);
  transform: translateY(200%);
  transition: transform var(--duration-slow) var(--ease-out);
}

.cookie-banner.show { transform: translateY(0); }

/* ── AI Assistant ── */
.ai-widget {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: var(--z-overlay);
}

.ai-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--black);
  font-size: var(--text-xl);
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(201,169,110,0.4);
  transition: all var(--duration-normal) var(--ease-out);
}

.ai-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 40px rgba(201,169,110,0.5);
}

.ai-panel {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform: scale(0.8) translateY(20px);
  transform-origin: bottom right;
  opacity: 0;
  pointer-events: none;
  transition: all var(--duration-normal) var(--ease-out);
}

.ai-panel.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}

.ai-panel-header {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ai-panel-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--black);
}

.ai-messages {
  height: 260px;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ai-msg {
  max-width: 80%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.ai-msg-bot {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-bottom-left-radius: var(--radius-sm);
  align-self: flex-start;
}

.ai-msg-user {
  background: var(--gold-glow);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  border-bottom-right-radius: var(--radius-sm);
  align-self: flex-end;
}

.ai-input-wrap {
  padding: var(--space-4);
  border-top: 1px solid var(--border);
  display: flex;
  gap: var(--space-2);
}

.ai-input {
  flex: 1;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  color: var(--text-primary);
  font-size: var(--text-sm);
  outline: none;
}

.ai-input:focus { border-color: var(--gold); }

.ai-send {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  font-size: var(--text-sm);
  transition: all var(--duration-fast);
}

.ai-send:hover { background: var(--gold-light); }

/* ── Tabs ── */
.tabs-nav {
  display: flex;
  gap: var(--space-1);
  background: var(--surface-2);
  padding: var(--space-1);
  border-radius: var(--radius-full);
  width: fit-content;
  border: 1px solid var(--border);
  margin-bottom: var(--space-8);
}

.tab-btn {
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-second);
  transition: all var(--duration-fast);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.tab-btn.active, .tab-btn:hover {
  background: var(--surface);
  color: var(--text-primary);
}

.tab-btn.active { color: var(--gold); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Progress Bar ── */
.progress-bar {
  height: 4px;
  background: var(--surface-3);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
  border-radius: var(--radius-full);
  transition: width var(--duration-slow) var(--ease-out);
}

/* ── Reveal Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* ── Skeleton Loader ── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--surface-2) 25%,
    var(--surface-3) 37%,
    var(--surface-2) 63%
  );
  background-size: 400% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

/* ── Tooltip ── */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-3);
  color: var(--text-primary);
  font-size: var(--text-xs);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-fast);
  border: 1px solid var(--border);
}

.tooltip:hover::after { opacity: 1; }

/* ── Notification Toast ── */
.toast-container {
  position: fixed;
  top: calc(var(--nav-height) + var(--space-4));
  right: var(--space-6);
  z-index: var(--z-top);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 280px;
  box-shadow: var(--shadow-lg);
  pointer-events: all;
  transform: translateX(120%);
  transition: transform var(--duration-normal) var(--ease-out);
}

.toast.show { transform: translateX(0); }
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.info    { border-left: 3px solid var(--gold); }

/* ── Mobile Nav ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

@media (max-width: 768px) {
  .stats-grid       { grid-template-columns: repeat(2, 1fr); }
  .services-grid    { grid-template-columns: 1fr; }
  .property-grid    { grid-template-columns: 1fr; }
  .process-steps    { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  .footer-grid      { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero-subtitle    { max-width: 100%; }
  .cta-section      { padding: var(--space-12) var(--space-6); }
  .promise-banner   { padding: var(--space-8); }
  .ai-widget        { bottom: var(--space-4); right: var(--space-4); }
  .ai-panel         { width: calc(100vw - var(--space-8)); right: 0; }
  .section          { padding: var(--space-20) 0; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn-lg { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
}

/* ── Showcase "Notre production" (vraies photos) ── */
.bd-showcase {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.bd-showcase img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}
.bd-showcase:hover img { transform: scale(1.06); }
.bd-showcase-grad {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(8,8,8,0.6), transparent 55%);
}
.bd-showcase-label {
  position: absolute; bottom: var(--space-4); left: var(--space-4); right: var(--space-4);
  color: #fff; font-size: var(--text-sm); font-weight: 500; letter-spacing: 0.04em;
  text-shadow: 0 1px 6px rgba(0,0,0,0.6); z-index: 2;
}
.bd-showcase-badge { position: absolute; top: var(--space-4); left: var(--space-4); z-index: 2; }

/* ── Carte VENDU (catalogue) ── */
.property-card.is-sold { cursor: default; }
.property-card.is-sold:hover { transform: none; border-color: var(--border); box-shadow: none; }
.property-card.is-sold .property-card-image img { filter: grayscale(0.4) brightness(0.7); }
.property-card-sold-ribbon {
  position: absolute; top: 16px; left: -42px; width: 170px;
  transform: rotate(-45deg); text-align: center; padding: 6px 0;
  font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: #fff; background: linear-gradient(135deg,#FF453A,#c0271e);
  z-index: 4; box-shadow: 0 4px 14px rgba(0,0,0,0.4); pointer-events: none;
}
.property-card-sold-stamp {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.3);
}
.property-card-sold-stamp span {
  font-family: var(--font-display); font-size: 2rem; font-weight: 700;
  letter-spacing: 0.08em; color: #fff; text-transform: uppercase;
  border: 3px solid #fff; padding: 4px 26px; transform: rotate(-10deg);
  background: rgba(255,69,58,0.2);
}