/* =============================================
   XIMEE JEWELRY — Global Styles
   Design: Soft Mystical White | Ethereal Luxury
   ============================================= */

:root {
  --color-bg: #faf9f7;
  --color-bg-alt: #f4f2ee;
  --color-surface: rgba(255,255,255,0.72);
  --color-surface-deep: rgba(255,255,255,0.95);

  --color-text: #1a1714;
  --color-text-muted: #7a736b;
  --color-text-light: #b0a89e;

  --color-gold: #c9a96e;
  --color-gold-light: #e8d5b0;
  --color-gold-dark: #a0813f;
  --color-shadow-soft: rgba(139,115,85,0.12);
  --color-shadow-deep: rgba(90,70,40,0.2);

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 999px;

  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.65s cubic-bezier(0.4,0,0.2,1);

  --header-height: 72px;
  --container-width: 1260px;
  --section-padding: clamp(64px, 8vw, 120px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 36px;
  font-family: var(--font-sans); font-size: 0.83rem;
  font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  border-radius: var(--radius-full);
  transition: var(--transition); cursor: pointer; white-space: nowrap;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(201,169,110,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(201,169,110,0.5);
}
.btn-outline {
  border: 1.5px solid var(--color-gold);
  color: var(--color-gold-dark); background: transparent;
}
.btn-outline:hover {
  background: var(--color-gold); color: #fff;
  transform: translateY(-2px);
}
.btn-ghost {
  color: var(--color-text-muted); background: transparent;
}
.btn-ghost:hover { color: var(--color-text); }

/* ---- Section Headings ---- */
.section-header { text-align: center; margin-bottom: clamp(40px, 6vw, 72px); }
.section-sub {
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.35em;
  text-transform: uppercase; color: var(--color-gold); margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600; color: var(--color-text); line-height: 1.25;
}

/* ---- Header ---- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(250,249,247,0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201,169,110,0.12);
  transition: var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 4px 32px var(--color-shadow-soft);
  background: rgba(250,249,247,0.97);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-height);
  max-width: var(--container-width); margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}
.header-nav { display: flex; align-items: center; gap: clamp(16px,2.5vw,36px); }
.nav-link {
  font-size: 0.8rem; font-weight: 400; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-text-muted);
  transition: color var(--transition); position: relative; padding-bottom: 2px;
}
.nav-link::after {
  content:''; position: absolute; bottom: -2px; left:0; right:100%; height:1px;
  background: var(--color-gold); transition: right var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--color-text); }
.nav-link:hover::after, .nav-link.active::after { right: 0; }

.site-logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-fallback {
  font-family: var(--font-serif); font-size: 1.2rem; font-weight: 600;
  letter-spacing: 0.08em; color: var(--color-text);
}

.header-icons { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full); color: var(--color-text-muted);
  transition: var(--transition); position: relative;
}
.icon-btn:hover { color: var(--color-text); background: rgba(201,169,110,0.1); }
.cart-count {
  position: absolute; top: 4px; right: 4px;
  width: 16px; height: 16px; background: var(--color-gold); color: #fff;
  font-size: 0.6rem; font-weight: 700; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: var(--transition);
}
.cart-count.visible { opacity: 1; }

/* ---- Search ---- */
.search-overlay {
  position: absolute; top: 100%; left: 0; right: 0;
  background: rgba(250,249,247,0.98); backdrop-filter: blur(20px);
  padding: 20px clamp(20px,5vw,60px);
  border-bottom: 1px solid rgba(201,169,110,0.12);
  transform: translateY(-10px); opacity: 0; pointer-events: none;
  transition: var(--transition);
}
.search-overlay.active { transform: translateY(0); opacity: 1; pointer-events: all; }
.search-inner { max-width: 600px; margin: 0 auto; display: flex; gap: 12px; }
.search-input {
  flex: 1; padding: 12px 20px;
  border: 1.5px solid var(--color-gold-light); border-radius: var(--radius-full);
  background:#fff; font-family: var(--font-sans); font-size: 0.95rem;
  color: var(--color-text); outline: none; transition: border-color var(--transition);
}
.search-input:focus { border-color: var(--color-gold); }
.search-close { padding: 10px 16px; color: var(--color-text-muted); font-size: 1rem; }
.search-close:hover { color: var(--color-text); }

/* ---- Mobile ---- */
.mobile-menu-toggle {
  display: none; flex-direction: column; gap: 5px; padding: 8px;
}
.mobile-menu-toggle span {
  display: block; width: 22px; height: 1.5px;
  background: var(--color-text); transition: var(--transition);
}
.mobile-menu {
  display: none; flex-direction: column;
  position: fixed; top: var(--header-height); left: 0; right: 0;
  background: rgba(250,249,247,0.98); backdrop-filter: blur(20px);
  padding: 16px; border-bottom: 1px solid rgba(201,169,110,0.12);
  z-index: 999; transform: translateY(-110%); transition: transform var(--transition);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-nav-link {
  padding: 14px 16px; font-size: 0.85rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-text-muted);
  border-bottom: 1px solid rgba(201,169,110,0.08); transition: color var(--transition);
}
.mobile-nav-link:hover { color: var(--color-gold-dark); }

/* ---- Trust Bar ---- */
.trust-bar {
  background: var(--color-bg-alt);
  border-top: 1px solid rgba(201,169,110,0.15);
  border-bottom: 1px solid rgba(201,169,110,0.15);
  padding: 20px 0;
}
.trust-items {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 4px;
}
.trust-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 24px; font-size: 0.8rem; color: var(--color-text-muted);
  letter-spacing: 0.04em;
}
.trust-item svg { color: var(--color-gold); flex-shrink: 0; }
.trust-divider { width: 1px; height: 28px; background: rgba(201,169,110,0.25); }

/* ---- Product Card ---- */
.product-card {
  background: var(--color-surface-deep);
  border-radius: var(--radius-md); overflow: hidden;
  box-shadow: 0 4px 24px var(--color-shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer; position: relative;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px var(--color-shadow-deep);
}
.product-card-image { position: relative; overflow: hidden; aspect-ratio: 1; }
.product-card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-card-image img { transform: scale(1.07); }

.product-card-actions {
  position: absolute; bottom: 12px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 8px; padding: 0 12px;
  transform: translateY(8px); opacity: 0; transition: var(--transition);
}
.product-card:hover .product-card-actions { transform: translateY(0); opacity: 1; }
.product-action-btn {
  flex: 1; padding: 10px; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
  border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text);
  text-align: center; transition: var(--transition); border: none; cursor: pointer;
}
.product-action-btn.primary, .product-action-btn:hover {
  background: var(--color-gold); color: #fff;
}
.product-badge {
  position: absolute; top: 12px; left: 12px;
  padding: 3px 10px; background: var(--color-gold); color: #fff;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; border-radius: var(--radius-full);
}
.product-card-body { padding: 16px 18px 20px; }
.product-card-cat {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--color-gold); margin-bottom: 6px;
}
.product-card-name {
  font-family: var(--font-serif); font-size: 1rem; font-weight: 600;
  color: var(--color-text); margin-bottom: 10px; line-height: 1.35;
}
.product-card-price { display: flex; align-items: baseline; gap: 10px; }
.price-current { font-size: 1rem; font-weight: 600; color: var(--color-gold-dark); }
.price-original { font-size: 0.82rem; color: var(--color-text-light); text-decoration: line-through; }

/* ---- Footer ---- */
.site-footer {
  background: #1a1714; color: #7a736b;
  padding: 64px 0 32px; margin-top: var(--section-padding);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.07); margin-bottom: 32px;
}
.footer-logo {
  font-family: var(--font-serif); font-size: 1.3rem; font-weight: 600;
  color: var(--color-gold-light); display: block; margin-bottom: 14px;
}
.footer-brand p { font-size: 0.875rem; line-height: 1.7; margin-bottom: 24px; }
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 38px; height: 38px; border-radius: var(--radius-full);
  border: 1px solid rgba(201,169,110,0.25);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-gold-light); transition: var(--transition);
}
.social-link:hover { background: var(--color-gold); border-color: var(--color-gold); color:#fff; transform: translateY(-2px); }
.footer-col h4 {
  font-family: var(--font-serif); font-size: 0.95rem; font-weight: 600;
  color: var(--color-gold-light); margin-bottom: 18px; letter-spacing: 0.05em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li, .footer-col ul li a { font-size: 0.875rem; color: #7a736b; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--color-gold-light); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.78rem; color: #4a4440;
}

/* ---- Floating Contact ---- */
.float-contact {
  position: fixed; bottom: 32px; right: 32px; z-index: 998;
  display: flex; flex-direction: column-reverse; align-items: flex-end; gap: 10px;
}
.float-main-btn {
  width: 54px; height: 54px; border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 24px rgba(201,169,110,0.55);
  transition: var(--transition); position: relative; z-index: 1;
}
.float-main-btn:hover { transform: scale(1.08); box-shadow: 0 8px 32px rgba(201,169,110,0.65); }
.float-options {
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
  transform: translateY(10px) scale(0.95); opacity: 0; pointer-events: none;
  transition: var(--transition);
}
.float-options.open { transform: translateY(0) scale(1); opacity: 1; pointer-events: all; }
.float-option { display: flex; align-items: center; gap: 10px; }
.float-label {
  background: rgba(26,23,20,0.85); color: #fff; font-size: 0.78rem;
  padding: 6px 14px; border-radius: var(--radius-full); font-weight: 500;
  backdrop-filter: blur(8px);
}
.float-icon {
  width: 42px; height: 42px; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1rem;
  box-shadow: 0 4px 14px rgba(0,0,0,0.2); transition: transform var(--transition);
  flex-shrink: 0;
}
.float-icon:hover { transform: scale(1.12); }
.float-icon-zalo { background: #0180c7; }
.float-icon-fb { background: #1877f2; }
.float-icon-phone { background: #25d366; }

/* ---- Toast ---- */
.toast {
  position: fixed; bottom: 110px; right: 32px;
  background: #1a1714; color: #fff; padding: 14px 22px;
  border-radius: var(--radius-md); font-size: 0.875rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  transform: translateX(130%); transition: transform var(--transition);
  z-index: 9999; max-width: 300px; border-left: 3px solid var(--color-gold);
}
.toast.show { transform: translateX(0); }

/* ---- AOS ---- */
[data-aos] { opacity: 0; transition: opacity 0.7s ease, transform 0.7s ease; }
[data-aos="fade-up"] { transform: translateY(24px); }
[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="fade-left"] { transform: translateX(30px); }
[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos].aos-animate { opacity: 1; transform: translate(0,0); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .header-nav { display: none; }
  .mobile-menu-toggle { display: flex; }
  .mobile-menu { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .trust-divider { display: none; }
  .float-contact { bottom: 20px; right: 20px; }
}