/* =========================================
   NEXO DEMOS - ELITE CORE FRAMEWORK
========================================= */

@import url('https://fonts.googleapis.com/css2?family=Jost:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  --bg-dark: #070707;
  --bg-card: #121212;
  --gold: #d4af37;
  --gold-dim: rgba(212, 175, 55, 0.15);
  --text-main: #f5f5f5;
  --text-muted: #a0a0a0;
  --border: rgba(255, 255, 255, 0.08);

  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Jost', sans-serif;
  --t-smooth: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg-dark);
}

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* =========================================
   TYPOGRAPHY
========================================= */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.1;
}
h1 em, h2 em {
  font-style: italic;
  color: var(--gold);
}

/* =========================================
   REVEAL ANIMATIONS
========================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }

/* =========================================
   NAVBAR (GLASS)
========================================= */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 25px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transition: var(--t-smooth);
}
nav.scrolled {
  background: rgba(7, 7, 7, 0.9);
  backdrop-filter: blur(15px);
  padding: 15px 5%;
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
}
.nav-brand span { color: var(--gold); }

/* =========================================
   BUTTONS
========================================= */
.btn-gold {
  display: inline-block;
  background: var(--gold);
  color: #000;
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-decoration: none;
  transition: var(--t-smooth);
  border: 1px solid var(--gold);
}
.btn-gold:hover {
  background: transparent;
  color: var(--gold);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--text-main);
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-decoration: none;
  transition: var(--t-smooth);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* =========================================
   SECTIONS & GRIDS
========================================= */
section {
  padding: 100px 5%;
  max-width: 1400px;
  margin: 0 auto;
}
.section-title {
  text-align: center;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 60px;
}

/* =========================================
   WHATSAPP FAB
========================================= */
.wa-fab {
  position: fixed;
  bottom: 30px; right: 30px;
  background: #25d366;
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
  transition: transform 0.3s ease;
}
.wa-fab:hover { transform: scale(1.1); }

/* =========================================
   FOOTER
========================================= */
footer {
  text-align: center;
  padding: 60px 5%;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}