/* ═══════════════════════════════════════════════════
   LA CLEF — Design System
   Conciergerie & Expériences Premium · Gabon
═══════════════════════════════════════════════════ */

:root {
  --gold:      #D4AF37;
  --copper:    #E65F2B;
  --dark:      #0A0C10;
  --dark-2:    #07090d;
  --white:     #ffffff;
  --gray:      #B0B5C0;
  --muted:     rgba(176,181,192,0.55);
  --border:    rgba(255,255,255,0.07);
  --radius:    3px;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --trans:     0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--dark);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Film grain */
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='250' height='250'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 250px 250px;
  opacity: 0.028;
  pointer-events: none;
  z-index: 9999;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
img, svg { display: block; }

/* ── Scroll reveal ─────────────────────────────── */
.reveal-lc {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.reveal-lc.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════ */
.lc-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 72px;
  padding: 0 52px;
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--trans), border-color var(--trans);
}
.lc-nav.scrolled {
  background: rgba(10,12,16,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

.lc-nav-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 40px;
  position: relative;
}

/* Logo */
.lc-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.lc-logo-text {
  font-family: 'Oswald', sans-serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--white);
  position: relative;
}
.lc-logo-text::after {
  content: '';
  display: block;
  height: 1px;
  width: 100%;
  background: var(--gold);
  margin-top: 2px;
  opacity: 0.7;
}

/* Nav links */
.lc-nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  margin: 0 auto;
}
.lc-nav-links a {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  transition: color var(--trans);
  position: relative;
}
.lc-nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--trans);
}
.lc-nav-links a:hover { color: var(--white); }
.lc-nav-links a:hover::after,
.lc-nav-links a.active::after { width: 100%; }
.lc-nav-links a.active { color: var(--white); }

/* WhatsApp nav button */
.lc-wa-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--trans), background var(--trans);
  flex-shrink: 0;
}
.lc-wa-btn svg { width: 13px; height: 13px; fill: #25D366; flex-shrink: 0; }
.lc-wa-btn:hover { border-color: #25D366; background: rgba(37,211,102,0.06); }

/* Burger */
.lc-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: 4px;
}
.lc-burger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--white);
  transition: transform var(--trans), opacity var(--trans);
}
.lc-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.lc-burger.open span:nth-child(2) { opacity: 0; }
.lc-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════
   SECTION 1 — HERO
═══════════════════════════════════════════════════ */
.lc-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 52px 160px;
  overflow: hidden;
}

/* Atmospheric background */
.lc-hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 75% 30%, rgba(212,175,55,0.05) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 15% 75%, rgba(230,95,43,0.04) 0%, transparent 55%),
    linear-gradient(165deg, rgba(10,12,16,0.86) 0%, rgba(12,17,34,0.84) 35%, rgba(8,16,30,0.84) 65%, rgba(10,12,16,0.88) 100%),
    url('./img/IMG_1226.jpg') center / cover no-repeat;
}
/* Stars */
.lc-hero-bg::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 12%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 22% 8%,  rgba(212,175,55,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 38% 18%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 6%,  rgba(255,255,255,0.45) 0%, transparent 100%),
    radial-gradient(1px 1px at 67% 22%, rgba(212,175,55,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 78% 10%, rgba(255,255,255,0.35) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 88% 16%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 44% 32%, rgba(255,255,255,0.25) 0%, transparent 100%),
    radial-gradient(1px 1px at 92% 28%, rgba(212,175,55,0.25) 0%, transparent 100%),
    radial-gradient(1px 1px at 5%  35%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 40%, rgba(255,255,255,0.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 38%, rgba(255,255,255,0.25) 0%, transparent 100%);
}
/* Landscape silhouette at bottom */
.lc-hero-bg::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40%;
  background:
    radial-gradient(ellipse 110% 60% at 50% 110%, #07090d 45%, transparent 70%),
    linear-gradient(180deg, transparent 0%, rgba(7,9,13,0.8) 60%, #07090d 100%);
}

/* Animated canvas */
.lc-hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  opacity: 0.4;
}

/* Vertical slide numbers */
.lc-slides {
  position: absolute;
  right: 52px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 22px;
  z-index: 2;
}
.lc-slide {
  display: flex;
  align-items: center;
  gap: 14px;
  opacity: 0.3;
  transition: opacity 0.4s;
}
.lc-slide.active { opacity: 1; }
.lc-slide-num {
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--white);
}
.lc-slide-bar {
  width: 40px; height: 1px;
  background: rgba(255,255,255,0.15);
  position: relative; overflow: hidden;
}
.lc-slide-bar span {
  position: absolute; left: 0; top: 0;
  height: 100%; width: 100%;
  background: var(--gold);
}

/* Hero text */
.lc-hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}
.lc-hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 28px;
}
.lc-hero-eyebrow::before {
  content: '';
  display: block;
  width: 36px; height: 1px;
  background: var(--gold);
}
.lc-hero-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(76px, 10.5vw, 140px);
  font-weight: 700;
  line-height: 0.88;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 36px;
}
.lc-hero-sub {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--gray);
  max-width: 460px;
  margin-bottom: 48px;
}

.lc-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gold);
  color: #0a0c10;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 16px 36px;
  border-radius: var(--radius);
  transition: background var(--trans), transform var(--trans), box-shadow var(--trans);
}
.lc-btn-primary:hover {
  background: #c9a82e;
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(212,175,55,0.28);
}

/* 3 Pillars */
.lc-pillars {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  z-index: 2;
}
.lc-pillar {
  padding: 28px 52px;
  border-right: 1px solid var(--border);
  position: relative;
}
.lc-pillar:last-child { border-right: none; }
.lc-pillar::before {
  content: '';
  position: absolute;
  top: 0; left: 52px;
  width: 24px; height: 2px;
  background: var(--copper);
}
.lc-pillar-num {
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--copper);
  margin-bottom: 6px;
}
.lc-pillar h4 {
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 4px;
}
.lc-pillar p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

/* ═══════════════════════════════════════════════════
   SECTION 2 — SERVICES
═══════════════════════════════════════════════════ */
.lc-services {
  background: var(--dark-2);
  padding: 120px 52px;
}

.lc-services-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.lc-services-header {
  text-align: center;
  margin-bottom: 88px;
}

.lc-services-sub {
  max-width: 560px;
  margin: 22px auto 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.45);
  font-weight: 300;
}

/* Service list */
.lc-svc-list {
  display: flex;
  flex-direction: column;
}

.lc-svc {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: start;
  gap: 48px;
  padding: 52px 0;
  border-top: 1px solid var(--border);
  transition: border-top-color 0.4s var(--ease);
  cursor: default;
}
.lc-svc:last-child {
  border-bottom: 1px solid var(--border);
}
.lc-svc:hover {
  border-top-color: rgba(212,175,55,0.3);
}

.lc-svc-num {
  font-family: 'Oswald', sans-serif;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--gold);
  opacity: 0.55;
  padding-top: 6px;
}

.lc-svc-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
  transition: color 0.35s var(--ease);
}
.lc-svc:hover .lc-svc-title {
  color: var(--gold);
}

.lc-svc-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(176,181,192,0.65);
  font-weight: 300;
  max-width: 600px;
}

.lc-svc-tag {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(212,175,55,0.45);
  padding-top: 7px;
  white-space: nowrap;
}

/* CTA block */
.lc-services-cta {
  margin-top: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.lc-services-cta-note {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.22);
}

/* Shared label style */
.lc-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.lc-label::before,
.lc-label::after {
  content: '';
  display: block;
  width: 36px; height: 1px;
  background: var(--gold);
  opacity: 0.45;
}
.lc-label--left {
  justify-content: flex-start;
}
.lc-label--left::before { display: none; }
.lc-label--left::after { display: none; }

.lc-section-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--white);
}

/* ═══════════════════════════════════════════════════
   SECTION 3 — ENGAGEMENTS
═══════════════════════════════════════════════════ */
.lc-engage {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow: hidden;
}

.lc-engage-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 15% 50%, rgba(212,175,55,0.04) 0%, transparent 55%),
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(230,95,43,0.04) 0%, transparent 55%),
    linear-gradient(165deg, #060810 0%, #08101c 40%, #060b14 70%, #040608 100%);
}

.lc-engage-inner {
  position: relative; z-index: 1;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
  padding: 120px 80px;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

/* Left column */
.lc-engage-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(44px, 5.5vw, 72px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 44px;
}

.lc-play-btn {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: var(--white);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--trans);
}
.lc-play-btn:hover { color: var(--gold); }

.lc-play-circle {
  width: 54px; height: 54px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  padding-left: 3px;
  flex-shrink: 0;
  transition: border-color var(--trans), background var(--trans), color var(--trans);
}
.lc-play-btn:hover .lc-play-circle {
  border-color: var(--gold);
  background: rgba(212,175,55,0.09);
  color: var(--gold);
}

/* Right column — value cards */
.lc-values { display: flex; flex-direction: column; }

.lc-value {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 0 20px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--trans);
}
.lc-value:first-child { border-top: 1px solid var(--border); }

.lc-value-num {
  font-family: 'Oswald', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 3px;
}
.lc-value h4 {
  font-family: 'Oswald', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 6px;
}
.lc-value p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--gray);
}

/* ── Footer ─────────────────────────────────────── */
.lc-footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 28px 80px;
}
.lc-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.lc-footer-group {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 4px;
  transition: color var(--trans);
}
.lc-footer-group:hover { color: var(--gold); }
.lc-footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.28);
}
.lc-footer-tag {
  font-size: 12px;
  color: rgba(255,255,255,0.28);
}
.lc-footer-tag strong { color: rgba(255,255,255,0.5); }

/* ═══════════════════════════════════════════════════
   FLOATING WHATSAPP
═══════════════════════════════════════════════════ */
.lc-float-wa {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 200;
  width: 54px; height: 54px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 22px rgba(37,211,102,0.4);
  transition: transform var(--trans), box-shadow var(--trans);
}
.lc-float-wa svg { width: 26px; height: 26px; fill: #fff; }
.lc-float-wa:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 32px rgba(37,211,102,0.5);
}
.lc-float-wa::before {
  content: '';
  position: absolute; inset: -7px;
  border-radius: 50%;
  border: 1px solid rgba(37,211,102,0.4);
  animation: waPulse 2.5s ease-out infinite;
}
@keyframes waPulse {
  0%   { transform: scale(0.85); opacity: 0.7; }
  70%  { transform: scale(1.2);  opacity: 0; }
  100% { transform: scale(1.2);  opacity: 0; }
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .lc-cards { grid-template-columns: repeat(2, 1fr); }
  .lc-card { height: 460px; }
  .lc-engage-inner { grid-template-columns: 1fr; gap: 56px; padding: 80px 52px; }
  .lc-footer { padding: 28px 52px; }
}

@media (max-width: 768px) {
  .lc-nav { padding: 0 24px; }
  .lc-nav-links { display: none; flex-direction: column; position: fixed; top: 72px; left: 0; right: 0; background: rgba(10,12,16,0.98); padding: 24px; gap: 20px; border-bottom: 1px solid var(--border); }
  .lc-nav-links.open { display: flex; }
  .lc-wa-btn span { display: none; }
  .lc-wa-btn { padding: 9px 12px; }
  .lc-burger { display: flex; }

  .lc-hero { padding: 100px 24px 190px; }
  .lc-hero-title { font-size: clamp(58px, 16vw, 90px); }
  .lc-slides { right: 18px; }

  .lc-pillars { grid-template-columns: 1fr; }
  .lc-pillar { border-right: none; border-bottom: 1px solid var(--border); padding: 22px 24px; }
  .lc-pillar:last-child { border-bottom: none; }
  .lc-pillar::before { left: 24px; }

  .lc-services { padding: 80px 24px; }
  .lc-services-header { margin-bottom: 56px; }
  .lc-svc {
    grid-template-columns: 48px 1fr;
    grid-template-rows: auto auto;
    gap: 16px 24px;
    padding: 36px 0;
  }
  .lc-svc-tag {
    grid-column: 2;
    padding-top: 0;
  }

  .lc-engage-inner { padding: 80px 24px 60px; }
  .lc-engage-title { font-size: clamp(38px, 11vw, 56px); }
  .lc-footer { padding: 24px; }
  .lc-footer-inner { flex-direction: column; gap: 14px; align-items: flex-start; }
}

@media (max-width: 480px) {
  .lc-hero-title { font-size: clamp(48px, 18vw, 72px); }
  .lc-slides { display: none; }
  .lc-card { flex: 0 0 88vw; }
}