/* ============================================
   ZOFTSH HOMES INTERIOR — Luxury Design System
   ============================================ */

:root {
  --color-black: #0a0a0b;
  --color-charcoal: #1a1a1d;
  --color-gold: #c0a062;
  --color-gold-light: #d4b87a;
  --color-gold-dark: #a6864a;
  --color-ivory: #f8f6f1;
  --color-ivory-dark: #f0ebe1;
  --color-white: #ffffff;
  --color-gray-50: #f9f9f9;
  --color-gray-100: #f2f2f2;
  --color-gray-200: #e5e5e5;
  --color-gray-300: #d4d4d4;
  --color-gray-400: #a3a3a3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Manrope', system-ui, sans-serif;
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--color-white);
  color: var(--color-gray-700);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.font-serif { font-family: var(--font-serif); }
.font-sans { font-family: var(--font-sans); }

.heading-display {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.text-gold { color: var(--color-gold); }
.bg-gold { background-color: var(--color-gold); }
.bg-ivory { background-color: var(--color-ivory); }
.bg-black-lux { background-color: var(--color-black); }
.bg-charcoal { background-color: var(--color-charcoal); }

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 1rem 2.5rem; background-color: var(--color-black); color: var(--color-white);
  font-family: var(--font-sans); font-weight: 600; font-size: 0.75rem; letter-spacing: 0.15em;
  text-transform: uppercase; border: 1px solid var(--color-black);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; text-decoration: none;
}
.btn-primary:hover {
  background-color: var(--color-gold); border-color: var(--color-gold); color: var(--color-black);
  transform: translateY(-2px); box-shadow: 0 12px 30px -8px rgba(192, 160, 98, 0.5);
}

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 1rem 2.5rem; background-color: transparent; color: var(--color-black);
  font-family: var(--font-sans); font-weight: 600; font-size: 0.75rem; letter-spacing: 0.15em;
  text-transform: uppercase; border: 1px solid var(--color-gray-300);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; text-decoration: none;
}
.btn-outline:hover { border-color: var(--color-gold); color: var(--color-gold); transform: translateY(-2px); }

.btn-gold {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 1rem 2.5rem; background-color: var(--color-gold); color: var(--color-black);
  font-family: var(--font-sans); font-weight: 600; font-size: 0.75rem; letter-spacing: 0.15em;
  text-transform: uppercase; border: 1px solid var(--color-gold);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; text-decoration: none;
}
.btn-gold:hover { background-color: var(--color-black); border-color: var(--color-black); color: var(--color-gold); transform: translateY(-2px); }

.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; background-color: transparent; color: var(--color-gray-600);
  font-family: var(--font-sans); font-weight: 500; font-size: 0.75rem; letter-spacing: 0.15em;
  text-transform: uppercase; border: none; transition: all 0.3s; cursor: pointer;
}
.btn-ghost:hover { color: var(--color-gold); }

/* ---- Section label ---- */
.section-label {
  display: inline-block; font-family: var(--font-sans); font-weight: 600;
  font-size: 0.7rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--color-gold);
}

/* ---- Gold divider ---- */
.gold-divider {
  width: 4rem; height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

/* ---- Cards ---- */
.lux-card {
  background: var(--color-white); border: 1px solid var(--color-gray-200);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.lux-card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.12);
  transform: translateY(-6px);
}

/* ---- Image zoom container ---- */
.img-zoom { overflow: hidden; }
.img-zoom img { transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1); will-change: transform; }
.img-zoom:hover img { transform: scale(1.06); }

/* ---- Navbar ---- */
.navbar-link {
  position: relative; font-family: var(--font-sans); font-weight: 500;
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88); transition: color 0.3s, opacity 0.3s; text-decoration: none;
}
.navbar-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--color-gold); transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.navbar-link:hover { color: var(--color-gold); opacity: 1; }
.navbar-link:hover::after { width: 100%; }
.navbar-link.active { color: var(--color-gold); opacity: 1; font-weight: 600; }
.navbar-link.active::after { width: 100%; }


/* ---- Input ---- */
.lux-input {
  width: 100%; background: var(--color-white); border: 1px solid var(--color-gray-200);
  padding: 0.875rem 1.25rem; font-family: var(--font-sans); font-size: 0.875rem;
  color: var(--color-gray-700); transition: border-color 0.3s; outline: none;
}
.lux-input:focus { border-color: var(--color-gold); }
.lux-input::placeholder { color: var(--color-gray-400); }

/* ---- Loading screen ---- */
#loading-screen {
  position: fixed; inset: 0; z-index: 9999; display: flex;
  align-items: center; justify-content: center; background: var(--color-black);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#loading-screen.hidden { opacity: 0; visibility: hidden; }
.loader-logo {
  font-family: var(--font-serif); font-size: 2rem; color: var(--color-gold);
  letter-spacing: 0.3em; animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* ---- Back to top ---- */
#back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 40;
  width: 3rem; height: 3rem; display: flex; align-items: center; justify-content: center;
  background: var(--color-black); color: var(--color-gold); border: none; cursor: pointer;
  opacity: 0; visibility: hidden; transition: all 0.4s; box-shadow: 0 8px 25px -5px rgba(0,0,0,0.3);
}
#back-to-top.visible { opacity: 1; visibility: visible; }
#back-to-top:hover { background: var(--color-gold); color: var(--color-black); }

/* ---- Cart drawer ---- */
.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 100%; max-width: 440px;
  background: var(--color-white); z-index: 60; transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex; flex-direction: column; box-shadow: -20px 0 60px -15px rgba(0,0,0,0.2);
}
.cart-drawer.open { transform: translateX(0); }

/* ---- Overlay ---- */
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 55;
  opacity: 0; visibility: hidden; transition: all 0.4s;
}
.overlay.visible { opacity: 1; visibility: visible; }

/* ---- Mega menu ---- */
.mega-menu {
  position: absolute; top: 100%; left: 0; right: 0; background: var(--color-white);
  border-top: 1px solid var(--color-gray-200); box-shadow: 0 20px 40px -10px rgba(0,0,0,0.1);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); z-index: 50;
}
.mega-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---- Swiper overrides ---- */
.swiper-pagination-bullet { background: var(--color-gray-400) !important; opacity: 0.5 !important; }
.swiper-pagination-bullet-active {
  background: var(--color-gold) !important; opacity: 1 !important;
  width: 24px !important; border-radius: 4px !important;
}
.swiper-button-next, .swiper-button-prev { color: var(--color-gold) !important; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-gray-100); }
::-webkit-scrollbar-thumb { background: var(--color-gray-400); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-gold); }

/* ---- Utility ---- */
.text-balance { text-wrap: balance; }
.lazy-img { opacity: 0; transition: opacity 0.6s; }
.lazy-img.loaded { opacity: 1; }

/* ---- Mobile menu ---- */
.mobile-menu {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-white); z-index: 70; transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }

/* ---- Glass ---- */
.glass {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}

/* ---- Step indicator ---- */
.step-indicator {
  display: flex; align-items: center; justify-content: center;
  width: 3rem; height: 3rem; border-radius: 50%;
  font-family: var(--font-serif); font-size: 1.25rem;
  border: 2px solid var(--color-gray-200); color: var(--color-gray-400);
  transition: all 0.4s;
}
.step-indicator.active { border-color: var(--color-gold); color: var(--color-gold); background: rgba(192, 160, 98, 0.05); }
.step-indicator.completed { background: var(--color-black); border-color: var(--color-black); color: var(--color-gold); }

/* ---- FAQ accordion ---- */
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item.open .faq-answer { max-height: 300px; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-icon { transition: transform 0.3s; }