/* ==========================================================================
   SOUSSI N-D.L.H — Hub site custom styles
   Dark premium theme, glassmorphism, per-pillar accents, micro-animations.
   Loaded after Tailwind CDN; Tailwind utility classes handle layout.
   ========================================================================== */

:root {
  --bg: #131A24;
  --bg-alt: #1B2432;
  --bg-elevated: #232E40;
  --primary: #1e3a5f;
  --primary-light: #3567A6;
  --ink: #FAFBFD;
  --ink-muted: #C7D0DC;
  --border: rgba(255, 255, 255, 0.14);

  --accent-nettoyage: #2DD4BF;
  --accent-demenagement: #e67e22;
  --accent-lavage: #0EA5E9;
  --accent-hygiene: #10B981;

  --whatsapp: #25D366;
}

* { scroll-behavior: smooth; }

html, body {
  background: var(--bg);
  color: var(--ink);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-display {
  font-family: 'Playfair Display', Georgia, serif;
}

::selection { background: var(--accent-lavage); color: #05131c; }

/* Custom scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2A3644; border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: #3A4A5C; }

/* ==========================================================================
   Section surfaces
   ========================================================================== */
.section-alt { background: var(--bg-alt); }

.text-muted { color: var(--ink-muted); }

.gradient-text {
  background: linear-gradient(120deg, #7DD3FC, #2DD4BF 45%, #F59E0B 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==========================================================================
   Glassmorphism cards
   ========================================================================== */
.glass-card {
  background: rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1), box-shadow 0.4s ease, border-color 0.4s ease;
}
.glass-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px -12px rgba(0, 0, 0, 0.55);
  border-color: rgba(255, 255, 255, 0.22);
}

.glass-panel {
  background: rgba(255, 255, 255, 0.065);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
}

/* Pillar accent utilities — set per-card via inline style or data attr */
.pillar-nettoyage { --accent: var(--accent-nettoyage); }
.pillar-demenagement { --accent: var(--accent-demenagement); }
.pillar-lavage { --accent: var(--accent-lavage); }
.pillar-hygiene { --accent: var(--accent-hygiene); }

.accent-ring { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 55%, transparent); }
.accent-dot { background: var(--accent); }
.accent-text { color: var(--accent); }
.accent-bg { background: var(--accent); }
.accent-border { border-color: var(--accent); }
.accent-glow { box-shadow: 0 0 40px -8px color-mix(in srgb, var(--accent) 65%, transparent); }

.btn-accent {
  background: var(--accent);
  color: #061019;
  font-weight: 700;
}
.btn-accent:hover { filter: brightness(1.1); }

/* ==========================================================================
   Nav
   ========================================================================== */
#site-nav {
  background: rgba(19, 26, 36, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
#site-nav.nav-solid { background: rgba(19, 26, 36, 0.94); }

.nav-link {
  position: relative;
  color: var(--ink-muted);
  transition: color 0.25s ease;
}
.nav-link:hover, .nav-link.active { color: var(--ink); }
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-lavage), var(--accent-nettoyage));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

#mobile-panel {
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1);
}
#mobile-panel.open { transform: translateX(0); }

#lang-dropdown {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}
#lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ==========================================================================
   Hero video
   ========================================================================== */
.hero-video-section { background: var(--bg); }
.hero-video-section video { filter: saturate(1.05) contrast(1.02); }

.hero-title-panel {
  background: linear-gradient(160deg, rgba(19,26,36,0.62), rgba(19,26,36,0.32));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: 0 24px 70px -20px rgba(0,0,0,0.6);
}

/* ==========================================================================
   Drifting gradient orbs
   ========================================================================== */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.32;
  pointer-events: none;
  will-change: transform;
}
@keyframes drift-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.08); }
  66% { transform: translate(-30px, 20px) scale(0.95); }
}
@keyframes drift-b {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-50px, 30px) scale(1.12); }
}
.orb-a { animation: drift-a 22s ease-in-out infinite; }
.orb-b { animation: drift-b 26s ease-in-out infinite; }

/* ==========================================================================
   Scroll reveal animations
   ========================================================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2,.8,.2,1);
}
.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }

/* ==========================================================================
   Floating WhatsApp CTA (desktop)
   ========================================================================== */
#float-whatsapp {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 40;
  width: 60px;
  height: 60px;
  border-radius: 999px;
  background: var(--whatsapp);
  box-shadow: 0 10px 30px -6px rgba(37, 211, 102, 0.6);
}
#float-whatsapp::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 999px;
  border: 2px solid var(--whatsapp);
  opacity: 0.6;
  animation: pulse-ring 2.2s cubic-bezier(.4,0,.6,1) infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.7; }
  70% { transform: scale(1.4); opacity: 0; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ==========================================================================
   Sticky mobile CTA bar
   ========================================================================== */
#sticky-mobile-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 40;
  background: rgba(19, 26, 36, 0.97);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
}

/* ==========================================================================
   Floating social fan menu (bottom-left)
   ========================================================================== */
#social-fan {
  position: fixed;
  left: 20px;
  bottom: 28px;
  z-index: 39;
}
#social-fan .fan-toggle {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: var(--primary-light);
  border: 1px solid var(--border);
  transition: transform 0.35s ease, background 0.3s ease;
}
#social-fan.open .fan-toggle { transform: rotate(135deg); background: #B91C1C; }
#social-fan .fan-item {
  position: absolute;
  left: 0;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(0) scale(0.5);
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1), opacity 0.3s ease;
  pointer-events: none;
  border: 1px solid var(--border);
}
#social-fan.open .fan-item {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}
#social-fan.open .fan-item:nth-child(1) { transition-delay: 0.03s; }
#social-fan.open .fan-item:nth-child(2) { transition-delay: 0.08s; }
#social-fan.open .fan-item:nth-child(3) { transition-delay: 0.13s; }
#social-fan .fan-item.item-1 { bottom: 64px; }
#social-fan .fan-item.item-2 { bottom: 120px; }
#social-fan .fan-item.item-3 { bottom: 176px; }
#social-fan:not(.open) .fan-item { bottom: 0 !important; }

@media (min-width: 768px) {
  #social-fan { bottom: 28px; }
}
@media (max-width: 767px) {
  #social-fan { bottom: 92px; left: 16px; }
  #float-whatsapp { display: none; }
}

/* ==========================================================================
   RTL (Arabic)
   ========================================================================== */
html[dir="rtl"] #social-fan { left: auto; right: 16px; }
html[dir="rtl"] #social-fan .fan-item { left: auto; right: 0; }
html[dir="rtl"] #float-whatsapp { right: auto; left: 24px; }
html[dir="rtl"] .nav-link::after { left: auto; right: 0; }

/* ==========================================================================
   Misc
   ========================================================================== */
.badge-chip {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border);
}

input, textarea, select {
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid var(--border);
  color: var(--ink);
}
input::placeholder, textarea::placeholder { color: var(--ink-muted); }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent-lavage);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.faq-item[open] summary .faq-icon { transform: rotate(45deg); }
summary { cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }

/* ==========================================================================
   Entrance intro (homepage only)
   ========================================================================== */
#site-intro {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #05080c;
  transition: opacity 1.1s cubic-bezier(.4,0,.2,1), visibility 1.1s, filter 1.1s cubic-bezier(.4,0,.2,1), transform 1.1s cubic-bezier(.4,0,.2,1);
  will-change: opacity, filter, transform;
}
#site-intro.intro-hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  filter: blur(14px);
  transform: scale(1.04);
}
#site-intro video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: intro-video-in 6s cubic-bezier(.16,1,.3,1) forwards;
}
@keyframes intro-video-in {
  from { transform: scale(1.1); opacity: 0.4; }
  15% { opacity: 1; }
  to { transform: scale(1); opacity: 1; }
}
#site-intro .intro-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(5,8,12,0.7), rgba(5,8,12,0.5) 40%, rgba(5,8,12,0.85));
}
#site-intro .intro-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
  padding: 0 1.5rem;
}
#site-intro .intro-logo {
  height: 5.5rem;
  width: auto;
  opacity: 0;
  filter: drop-shadow(0 0 30px rgba(14,165,233,0.35));
  animation: intro-logo-in 1.2s cubic-bezier(.16,1,.3,1) 0.2s forwards, intro-logo-breathe 3.5s ease-in-out 1.4s infinite;
}
@media (min-width: 640px) { #site-intro .intro-logo { height: 7rem; } }
@keyframes intro-logo-in {
  from { opacity: 0; transform: scale(0.8) translateY(14px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes intro-logo-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.035); }
}
#site-intro .intro-tagline {
  opacity: 0;
  animation: intro-fade-in 1s cubic-bezier(.16,1,.3,1) 0.9s forwards;
}
@keyframes intro-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
#site-intro .intro-bar {
  width: 13rem;
  height: 3px;
  border-radius: 999px;
  background: rgba(255,255,255,0.15);
  overflow: hidden;
  opacity: 0;
  animation: intro-fade-in 1s cubic-bezier(.16,1,.3,1) 1.3s forwards;
}
#site-intro .intro-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-lavage), var(--accent-nettoyage));
  animation: intro-fill 4.6s cubic-bezier(.4,0,.2,1) 1.3s forwards;
}
@keyframes intro-fill { to { width: 100%; } }
#site-intro .intro-skip {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  opacity: 0;
  transition: color 0.25s ease;
  animation: intro-fade-in 1s cubic-bezier(.16,1,.3,1) 1.6s forwards;
}
#site-intro .intro-skip:hover { color: rgba(255,255,255,0.95); }
body.intro-active { overflow: hidden; }