/* ==========================================================================
   TENUTA D'ORO - GLOBAL STYLES
   Premium Winery Theme
   ========================================================================== */

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

:root {
  /* Colors */
  --gold: #D4AF37;
  --gold-light: #F4E8C1;
  --gold-dark: #AA8B2B;
  --charcoal: #121212;
  --charcoal-light: #2A2A2A;
  --off-white: #FAF9F6;
  --cream: #F5F0E6;
  --text-main: #333333;
  --text-muted: #666666;
  
  /* Glassmorphism */
  --glass-bg: rgba(18, 18, 18, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);

  /* Transitions */
  --trans-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  --trans-fast: all 0.2s ease-in-out;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--off-white);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, .brand, .serif {
  font-family: 'Playfair Display', serif;
  color: var(--charcoal);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.8rem 6%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: var(--trans-smooth);
}

nav.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 6%;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.brand {
  color: #fff;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  text-decoration: none;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
  transition: var(--trans-fast);
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--gold);
  transition: var(--trans-smooth);
}

.nav-links a:hover {
  color: var(--gold);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}
.nav-links a.active {
  color: var(--gold);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  background-color: var(--gold);
  color: #fff;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  border: 1px solid var(--gold);
  transition: var(--trans-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-gold::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(255,255,255,0.1);
  transform: translateX(-100%);
  transition: var(--trans-smooth);
}

.btn-gold:hover::before {
  transform: translateX(0);
}

.btn-gold:hover {
  background-color: var(--charcoal);
  border-color: var(--charcoal);
  color: var(--gold);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.btn-outline {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  border: 1px solid var(--charcoal);
  color: var(--charcoal);
  background: transparent;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transition: var(--trans-smooth);
}

.btn-outline:hover {
  background: var(--charcoal);
  color: var(--off-white);
  border-color: var(--charcoal);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(40px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
}