/* =====================================================
   App.ppA — MAIN CSS
   Design System: Neo-Brutalist Dark × Editorial Immobilier
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Playfair+Display:ital,wght@0,400;0,700;1,400;1,700&family=Syne:wght@400;500;600;700;800&family=DM+Mono:wght@400;500&display=swap');

/* ─── CSS VARIABLES ─────────────────────────────── */
:root {
  /* Colors */
  --bg:          #080808;
  --bg-surface:  #111111;
  --bg-card:     #161616;
  --bg-hover:    #1E1E1E;
  --amber:       #E8B84B;
  --amber-light: #F5D07A;
  --amber-glow:  rgba(232, 184, 75, 0.15);
  --cyan:        #4DC9F0;
  --cyan-light:  #8FDFF7;
  --cyan-glow:   rgba(77, 201, 240, 0.12);
  --white:       #F5F0E8;
  --white-muted: #A8A098;
  --white-dim:   #5A5550;
  --border:      rgba(245, 240, 232, 0.08);
  --border-hover:rgba(232, 184, 75, 0.3);
  
  /* Typography */
  --font-display:  'Bebas Neue', sans-serif;
  --font-serif:    'Playfair Display', serif;
  --font-body:     'Syne', sans-serif;
  --font-mono:     'DM Mono', monospace;

  /* Sizes */
  --hero-size:   clamp(5rem, 12vw, 11rem);
  --h1-size:     clamp(3rem, 7vw, 6.5rem);
  --h2-size:     clamp(2rem, 4vw, 3.5rem);
  --h3-size:     clamp(1.2rem, 2vw, 1.6rem);
  --body-size:   clamp(0.9rem, 1.2vw, 1rem);
  --small-size:  0.75rem;
  
  /* Spacing */
  --section-pad: clamp(5rem, 10vh, 9rem);
  --gutter:      clamp(1.5rem, 4vw, 4rem);
  
  /* Effects */
  --radius-sm:   4px;
  --radius-md:   12px;
  --radius-lg:   24px;
  --blur-sm:     blur(8px);
  --blur-md:     blur(20px);
  --blur-lg:     blur(40px);
  --transition:  0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --spring:      0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ─── RESET ─────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  overflow-y: scroll;
}

body {
  background-color: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }
button { cursor: none; border: none; background: none; font-family: inherit; }

/* ─── CUSTOM CURSOR ──────────────────────────────── */
.cursor {
  position: fixed;
  width: 12px;
  height: 12px;
  background: var(--amber);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.3s var(--spring), height 0.3s var(--spring), background 0.3s;
  mix-blend-mode: screen;
}

.cursor-follower {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(232, 184, 75, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease-out, width 0.4s var(--spring), height 0.4s var(--spring), opacity 0.3s;
}

body:hover .cursor { opacity: 1; }
.cursor.hover { width: 24px; height: 24px; background: var(--cyan); }
.cursor-follower.hover { width: 70px; height: 70px; border-color: var(--cyan); opacity: 0.5; }

/* ─── SCROLLBAR ──────────────────────────────────── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--amber); border-radius: 2px; }

/* ─── TYPOGRAPHY ─────────────────────────────────── */
.display { 
  font-family: var(--font-display); 
  font-size: var(--hero-size);
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.heading-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--h1-size);
  line-height: 1.05;
}

h1, .h1 {
  font-family: var(--font-display);
  font-size: var(--h1-size);
  line-height: 0.95;
  text-transform: uppercase;
}
h2, .h2 {
  font-family: var(--font-display);
  font-size: var(--h2-size);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
h3, .h3 {
  font-family: var(--font-body);
  font-size: var(--h3-size);
  font-weight: 700;
  line-height: 1.2;
}

.mono { font-family: var(--font-mono); }
.amber { color: var(--amber); }
.cyan { color: var(--cyan); }
.muted { color: var(--white-muted); }

/* ─── LAYOUT ─────────────────────────────────────── */
.container {
  width: min(100% - 2 * var(--gutter), 1400px);
  margin-inline: auto;
}

.section {
  padding-block: var(--section-pad);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }

/* ─── NAVBAR ─────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.05em;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.nav-logo span { color: var(--amber); }
.nav-logo .dot { color: var(--cyan); font-size: 1.2rem; }

.nav-links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-links a {
  font-size: var(--small-size);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--amber);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--amber); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--amber); }
.nav-links a.active::after { width: 100%; }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  background: var(--amber);
  color: var(--bg);
  font-family: var(--font-body);
  font-size: var(--small-size);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-cta:hover {
  background: var(--amber-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--amber-glow);
}

/* ─── BUTTONS ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: var(--small-size);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--amber);
  color: var(--bg);
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.15));
  opacity: 0;
  transition: opacity var(--transition);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px var(--amber-glow), 0 4px 12px rgba(0,0,0,0.4);
}
.btn-primary:hover::after { opacity: 1; }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
  background: var(--amber-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--white-muted);
  padding: 0.5rem 0;
}
.btn-ghost .arrow { transition: transform var(--transition); }
.btn-ghost:hover .arrow { transform: translateX(6px); }
.btn-ghost:hover { color: var(--amber); }

/* ─── TICKER ─────────────────────────────────────── */
.ticker-wrap {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: 0.8rem;
  background: var(--bg-surface);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 30s linear infinite;
}

.ticker-item {
  white-space: nowrap;
  padding-inline: 2rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--white-muted);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.ticker-item .dot {
  width: 5px; height: 5px;
  background: var(--amber);
  border-radius: 50%;
  flex-shrink: 0;
}
.ticker-item .dot.cyan { background: var(--cyan); }

/* ─── TAG / BADGE ────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 100px;
  border: 1px solid;
}
.tag-amber { 
  color: var(--amber); 
  border-color: rgba(232, 184, 75, 0.3); 
  background: var(--amber-glow); 
}
.tag-cyan { 
  color: var(--cyan); 
  border-color: rgba(77, 201, 240, 0.3); 
  background: var(--cyan-glow);
}
.tag-white {
  color: var(--white-muted);
  border-color: var(--border);
  background: rgba(255,255,255,0.04);
}

/* ─── CARDS ──────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--amber-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 0 1px var(--border-hover);
}
.card:hover::before { opacity: 1; }

/* ─── DIVIDER ────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin-block: 1rem;
}

/* ─── SECTION LABEL ──────────────────────────────── */
.section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.5rem;
}
.section-label::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--amber);
}

/* ─── NOISE OVERLAY ──────────────────────────────── */
.noise::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9997;
  opacity: 0.4;
}

/* ─── MAGNETIC BUTTON ────────────────────────────── */
.magnetic { position: relative; }

/* ─── SCROLL REVEAL ──────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ─── FOOTER ─────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 3rem;
  margin-top: var(--section-pad);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy {
  font-size: var(--small-size);
  color: var(--white-dim);
}
.footer-links {
  display: flex;
  gap: 2rem;
}
.footer-links a {
  font-size: var(--small-size);
  color: var(--white-dim);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--amber); }

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-cta { padding: 0.5rem 1rem; }
  body { cursor: auto; }
  .cursor, .cursor-follower { display: none; }
}