/* =======================================================
   HATI - NHÂN SÂM KOREA · Design System v1.0
   ======================================================= */

:root {
  /* === Deep accent (used sparingly) === */
  --red-900: #1A0308;
  --red-800: #2D0712;
  --red-700: #4A0E1F;
  --red-600: #6B1528;
  --red-50:  #FBEEF0;
  /* === Classic Metallic Gold === */
  --gold-900:#614E1A;     /* Deep antique gold */
  --gold-800:#86682C;     /* Dark gold */
  --gold-700:#A8832F;     /* Old gold */
  --gold-600:#C8A951;     /* True metallic gold */
  --gold-500:#D4AF37;     /* Imperial classic gold */
  --gold-400:#E5C767;     /* Bright gold */
  --gold-300:#EBD894;     /* Soft gold */
  --gold-200:#F0E4B0;     /* Pale gold */
  --gold-100:#FAF2D4;     /* Cream gold */
  --champ:   #F7E7CE;     /* Champagne */
  --pearl:   #FDF8EA;     /* Pearl white */
  /* === Neutrals: true black + ivory === */
  --cream:   #FBF7EC;
  --ivory:   #F4EDDC;
  --parch:   #E9DFC4;
  --onyx:    #050403;     /* Near-true black for luxury backgrounds */
  --ink-900: #0A0908;     /* Obsidian */
  --ink-800: #16130E;
  --ink-700: #2A2419;
  --ink-600: #453D2B;
  --ink-500: #8B7E5E;
  --ink-400: #A99A77;
  --ink-300: #C6B896;
  --line:    #E8DDBC;
  --line-soft:#F2EAD0;
  --white:   #FFFFFF;
  --success: #2F7A4D;
  --danger:  #B8323C;
  --warn:    #C28A14;
  /* === Gold gradients (real foil look) === */
  --grad-gold:     linear-gradient(135deg, #BF953F 0%, #FCF6BA 30%, #B38728 50%, #FBF5B7 70%, #AA771C 100%);
  --grad-gold-soft:linear-gradient(135deg, #E5C767 0%, #F7E7CE 50%, #C8A951 100%);
  --grad-gold-dark:linear-gradient(135deg, #86682C 0%, #D4AF37 50%, #614E1A 100%);

  /* Type — Inter cho mọi thứ (siêu rõ, hỗ trợ tiếng Việt tốt) + Cormorant cho emphasis */
  --f-serif: 'Cormorant Garamond', 'Inter', Georgia, serif;
  --f-sans:  'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;

  /* Radius / motion */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;
  --shadow-sm: 0 1px 2px rgba(20,20,20,.04), 0 2px 8px rgba(20,20,20,.04);
  --shadow-md: 0 6px 24px rgba(20,20,20,.08);
  --shadow-lg: 0 18px 48px rgba(20,20,20,.14);
  --ease: cubic-bezier(.22,.61,.36,1);

  /* Container */
  --container: 1280px;
  --gutter: clamp(16px, 3vw, 32px);
}

/* =================== RESET =================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: 18px;          /* Lớn dễ đọc cho người lớn tuổi */
  line-height: 1.75;
  color: #F2EDD9;           /* Kem sáng - contrast cao trên nền đen */
  background: #0B0B0B;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: 0;
}
@media (max-width: 768px) {
  body { font-size: 17px; line-height: 1.7; }
}
body.admin { background: var(--pearl); color: var(--ink-900); }
/* Luxury dark sections */
.section { background: var(--onyx); color: var(--gold-200); }
.section p, .section__sub { color: rgba(235,216,148,.75); }
h1, h2, h3, h4 { color: var(--gold-100); }
.section-head p { color: rgba(235,216,148,.72); }
/* Reset default cream backgrounds on named dark sections */
.section[style*="cream"], .section[style*="white"], .section[style*="ivory"], .section[style*="pearl"] {
  color: var(--ink-800);
}
.section[style*="cream"] h1, .section[style*="cream"] h2, .section[style*="cream"] h3,
.section[style*="white"] h1, .section[style*="white"] h2, .section[style*="white"] h3,
.section[style*="ivory"] h1, .section[style*="ivory"] h2, .section[style*="ivory"] h3,
.section[style*="pearl"] h1, .section[style*="pearl"] h2, .section[style*="pearl"] h3 {
  color: var(--ink-900);
}
.section[style*="cream"] .section-head p, .section[style*="white"] .section-head p,
.section[style*="ivory"] .section-head p, .section[style*="pearl"] .section-head p {
  color: var(--ink-500);
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--red-700); }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

/* Headings — clean Inter with heavy weight for luxury feel */
h1, h2, h3, h4 {
  font-family: var(--f-sans);
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -.02em;
  margin: 0 0 .6em;
  line-height: 1.15;
}
h1 { font-size: clamp(2.25rem, 4.5vw, 4rem); font-weight: 800; letter-spacing: -.025em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.75rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 1.5vw, 1.35rem); font-weight: 600; }
/* Cormorant only for <em> accents */
h1 em, h2 em, h3 em {
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 500;
  color: #D4AF37;
}
p  { margin: 0 0 1.1em; font-size: 1.0625rem; line-height: 1.75; color: #E8E2D1; }
strong, b { font-weight: 700; color: #FFFFFF; }
a { color: #E5C767; }
a:hover { color: #D4AF37; text-decoration: underline; text-underline-offset: 3px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

.eyebrow {
  display: inline-block;
  font: 600 .78rem/1 var(--f-sans);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-600);
  padding: .6rem 1rem;
  background: rgba(212,175,55,.1);
  border: 1px solid rgba(212,175,55,.25);
  border-radius: 999px;
  margin-bottom: 1rem;
}

.section { padding: clamp(64px, 9vw, 120px) 0; }
.section--tight { padding: clamp(48px, 6vw, 80px) 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto clamp(32px, 5vw, 56px); }
.section-head p { color: var(--ink-500); font-size: 1.06rem; }

/* =================== TOP BAR =================== */
.topbar {
  background: linear-gradient(90deg, var(--ink-900), var(--onyx));
  color: var(--gold-300);
  font-size: .84rem;
  padding: 10px 0;
  border-bottom: 1px solid rgba(212,175,55,.15);
}
.topbar__wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.topbar a { color: var(--gold-300); opacity: .9; font-weight: 500; }
.topbar a:hover { color: var(--gold-400); opacity: 1; }
.topbar__left, .topbar__right { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.topbar__mark { color: var(--gold-500); }

/* =================== HEADER / NAV (dark luxury) =================== */
.header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(10, 9, 8, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(212,175,55,.15);
  transition: box-shadow .3s var(--ease);
}
.header.is-scrolled { box-shadow: 0 6px 24px rgba(0,0,0,.5); background: rgba(10,9,8,.95); }
.header .brand__name { color: var(--gold-300); }
.header .brand__tag { color: var(--gold-600); }
.header .nav__link { color: var(--gold-200); }
.header .nav__link:hover, .header .nav__item.is-open .nav__link { background: rgba(212,175,55,.1); color: var(--gold-400); }
.header .icon-btn { color: var(--gold-300); }
.header .icon-btn:hover { background: rgba(212,175,55,.1); color: var(--gold-400); }
.header__wrap { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand__logo {
  width: 48px; height: 48px; border-radius: 12px;
  background: url('../img/logo-128.webp') center/cover no-repeat, var(--red-800);
  box-shadow: 0 4px 14px rgba(139,21,56,.35), inset 0 0 0 1px rgba(212,175,55,.3);
  text-indent: -9999px; overflow: hidden;
}
.brand__text { line-height: 1.1; }
.brand__name { font-family: var(--f-serif); font-weight: 700; font-size: 1.25rem; color: var(--red-800); }
.brand__tag { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-700); }

.nav { display: flex; justify-content: center; gap: clamp(6px, 1vw, 18px); }
.nav__item { position: relative; }
.nav__link {
  display: inline-block;
  padding: 10px 14px;
  font-weight: 600;
  font-size: .92rem;
  color: var(--ink-700);
  border-radius: 999px;
  transition: all .25s var(--ease);
}
.nav__link:hover, .nav__item.is-open .nav__link { background: rgba(212,175,55,.1); color: var(--gold-400); }
.nav__link .chev { display: inline-block; margin-left: 6px; transition: transform .25s var(--ease); font-size: .7rem; }
.nav__item.is-open .chev { transform: rotate(180deg); }

/* Mega menu */
.mega {
  position: absolute;
  left: 50%; top: 100%;
  transform: translateX(-50%) translateY(10px);
  width: min(900px, 92vw);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transition: all .25s var(--ease);
  z-index: 70;
}
.nav__item.is-open .mega { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(4px); }
.mega__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 26px; }
.mega__col h4 { font-family: var(--f-sans); font-size: .72rem; letter-spacing: .22em; text-transform: uppercase; color: var(--gold-700); margin: 0 0 12px; }
.mega__link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 12px; border-radius: 10px; font-size: .92rem;
  color: var(--ink-700); transition: background .2s var(--ease);
}
.mega__link:hover { background: rgba(212,175,55,.08); color: var(--gold-700); }
.mega__link::after { content: '→'; opacity: 0; margin-left: 10px; transition: all .2s var(--ease); }
.mega__link:hover::after { opacity: 1; }

/* Header right actions */
.actions { display: flex; gap: 8px; align-items: center; }
.icon-btn {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--ink-700);
  background: transparent;
  transition: all .25s var(--ease);
  position: relative;
}
.icon-btn:hover { background: rgba(212,175,55,.12); color: var(--gold-400); }
.icon-btn .dot {
  position: absolute; top: 8px; right: 8px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--red-700);
  border: 2px solid var(--cream);
}
.menu-toggle { display: none; }

/* =================== BUTTONS =================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700; font-size: .95rem;
  transition: all .3s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--gold-600) 0%, var(--gold-700) 100%);
  color: var(--ink-900);
  box-shadow: 0 8px 22px rgba(212,164,55,.35), inset 0 1px 0 rgba(255,255,255,.4);
  border: 1px solid var(--gold-500);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(212,164,55,.5); background: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-600) 100%); color: var(--ink-900); }
.btn--gold { background: linear-gradient(135deg, var(--gold-500), var(--gold-700)); color: var(--ink-900); }
.btn--gold:hover { transform: translateY(-2px); filter: brightness(1.08); color: var(--ink-900); }
.btn--dark { background: var(--ink-900); color: var(--gold-500); border: 1px solid var(--gold-700); }
.btn--dark:hover { background: var(--ink-800); color: var(--gold-400); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--ink-900); border: 1.5px solid var(--line); }
.btn--ghost:hover { border-color: var(--red-700); color: var(--red-700); }
.btn--lg { padding: 18px 34px; font-size: 1rem; }
.btn--block { width: 100%; }

/* =================== HERO (dark luxury) =================== */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(212,175,55,.12), transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(139,20,36,.10), transparent 55%),
    linear-gradient(180deg, var(--onyx) 0%, var(--ink-900) 100%);
  padding: clamp(56px, 8vw, 110px) 0 clamp(64px, 8vw, 120px);
  color: var(--gold-200);
}
.hero h1, .hero h2, .hero h3 { color: #FFFFFF; }
.hero__title-premium {
  font-family: var(--f-sans);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  letter-spacing: -.025em;
  line-height: 1.1;
}
.hero__title-premium em {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 500;
  color: #D4AF37;
  -webkit-text-fill-color: #D4AF37;
}
.hero__title-premium .gold-underline { color: #FFFFFF; position: relative; display: inline-block; }
.hero__title-premium .gold-underline::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 4px;
  height: 3px;
  background: #D4AF37;
  border-radius: 2px;
}
.hero__lead {
  color: #E8E2D1;
  font-size: 1.125rem;
  line-height: 1.75;
  font-weight: 400;
  max-width: 520px;
  margin: 22px 0 32px;
}
.hero__lead b { color: #FFFFFF; font-weight: 600; }
.hero__lead b { color: var(--gold-400); }
.hero__stats-premium { border-top-color: rgba(212,175,55,.2); }
.hero__stats-premium::before { background: linear-gradient(90deg, transparent, var(--gold-500), transparent); }
.hero__stat__label { color: rgba(235,216,148,.65); }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.hero__content .eyebrow { background: rgba(201,169,97,.22); }
.hero__title { font-size: clamp(2.4rem, 5.2vw, 4.4rem); line-height: 1.08; }
.hero__title em { font-style: italic; color: var(--red-700); font-family: var(--f-serif); }
.hero__title .outline { -webkit-text-stroke: 1.2px var(--red-700); color: transparent; }
.hero__lead { color: var(--ink-500); font-size: 1.1rem; max-width: 540px; margin: 20px 0 32px; }
.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 520px; }
.hero__stat__num { font-family: var(--f-serif); font-size: clamp(1.6rem, 2.6vw, 2.2rem); color: var(--red-800); line-height: 1; }
.hero__stat__label { font-size: .82rem; color: var(--ink-500); margin-top: 6px; letter-spacing: .04em; }

/* Hero visual */
.hero__visual { position: relative; aspect-ratio: 1 / 1.05; }
.hero__card {
  position: absolute; inset: 0;
  border-radius: var(--r-xl);
  background:
    radial-gradient(ellipse at 30% 25%, rgba(255,255,255,.35), transparent 60%),
    linear-gradient(160deg, var(--red-800), var(--red-900));
  overflow: hidden;
  box-shadow: 0 40px 80px -20px rgba(139,21,56,.5);
}
.hero__card::before {
  content: '';
  position: absolute; inset: -30% -30% auto auto;
  width: 80%; height: 80%;
  background: radial-gradient(circle, var(--gold-500) 0%, transparent 65%);
  opacity: .65; filter: blur(20px);
}
.hero__illustration {
  position: absolute; inset: 0;
  display: grid; place-items: center;
}
.hero__illustration svg { width: 72%; max-width: 460px; filter: drop-shadow(0 14px 32px rgba(0,0,0,.35)); }

.hero__badge {
  position: absolute;
  background: #fff;
  border-radius: var(--r-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  display: flex; gap: 12px; align-items: center;
  min-width: 210px;
}
.hero__badge--tl { top: 30px; left: -26px; }
.hero__badge--br { bottom: 28px; right: -26px; }
.hero__badge__ico {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--gold-100); color: var(--red-700);
  display: grid; place-items: center;
}
.hero__badge__lead { font-size: .72rem; color: var(--ink-500); text-transform: uppercase; letter-spacing: .12em; }
.hero__badge__val { font-family: var(--f-serif); font-weight: 700; color: var(--ink-900); font-size: 1.02rem; margin-top: 2px; }

/* =================== TRUST BAR (dark luxury) =================== */
.trust {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  border-top: 1px solid rgba(212,175,55,.18);
  border-bottom: 1px solid rgba(212,175,55,.18);
}
.trust__ico { background: rgba(212,175,55,.12); color: var(--gold-400); }
.trust__title { color: var(--gold-200); }
.trust__sub { color: rgba(235,216,148,.6); }
.trust__item + .trust__item { border-left-color: rgba(212,175,55,.12); }
.trust__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.trust__item { display: flex; align-items: center; gap: 16px; padding: 28px 18px; }
.trust__item + .trust__item { border-left: 1px solid var(--line); }
.trust__ico {
  width: 48px; height: 48px; flex: 0 0 48px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--red-50); color: var(--red-700);
}
.trust__title { font-weight: 700; font-size: .98rem; line-height: 1.25; }
.trust__sub { font-size: .82rem; color: var(--ink-500); }

/* =================== COLLECTION BENTO (dark luxury) =================== */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 180px; gap: 16px; }
.bento__tile {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid rgba(212,175,55,.22);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 22px;
  transition: all .35s var(--ease);
  isolation: isolate;
  color: var(--gold-200);
}
.bento__tile:hover { transform: translateY(-4px); box-shadow: 0 18px 48px rgba(0,0,0,.5); border-color: var(--gold-600); }
.bento__tile .bento__title { color: var(--gold-100); }
.bento__tile .bento__sub { color: rgba(235,216,148,.65); }
.bento__tile::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(212,175,55,.08), rgba(22,19,14,.4));
  z-index: -2;
}
.bento__tile::after {
  content: '';
  position: absolute;
  top: -40%; right: -30%;
  width: 70%; height: 120%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--gold-500), transparent 70%);
  opacity: .28;
  z-index: -1;
  transition: all .4s var(--ease);
}
.bento__tile:hover::after { opacity: .5; transform: scale(1.15); }
.bento__tile--wide { grid-column: span 2; grid-row: span 2; padding: 32px; }
.bento__tile--tall { grid-row: span 2; }
.bento__tile--dark {
  background: var(--red-800); color: #fff;
}
.bento__tile--dark::before {
  background: radial-gradient(ellipse at 30% 20%, rgba(201,169,97,.35), transparent 60%),
              linear-gradient(160deg, var(--red-700), var(--red-900));
}
.bento__tile--dark::after { background: radial-gradient(circle, var(--gold-500), transparent 70%); opacity: .45; }
.bento__tile--dark .bento__title { color: #fff; }
.bento__tile--dark .bento__sub { color: rgba(255,255,255,.75); }

.bento__ico { font-size: 1.6rem; margin-bottom: auto; }
.bento__cat { font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--gold-700); margin-bottom: 8px; }
.bento__tile--dark .bento__cat { color: var(--gold-500); }
.bento__title { font-family: var(--f-serif); font-size: clamp(1.1rem, 1.6vw, 1.4rem); font-weight: 700; color: var(--ink-900); line-height: 1.2; margin-bottom: 6px; }
.bento__tile--wide .bento__title { font-size: clamp(1.6rem, 2.4vw, 2.1rem); }
.bento__sub { font-size: .86rem; color: var(--ink-500); }
.bento__arrow {
  position: absolute; top: 22px; right: 22px;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.7);
  display: grid; place-items: center;
  transition: all .3s var(--ease);
  color: var(--ink-900);
}
.bento__tile--dark .bento__arrow { background: rgba(255,255,255,.12); color: #fff; }
.bento__tile:hover .bento__arrow { background: var(--red-700); color: #fff; transform: rotate(-45deg); }

/* =================== PRODUCT CARD (dark luxury) =================== */
.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product {
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
  border-radius: var(--r-lg);
  border: 1px solid rgba(212,175,55,.22);
  overflow: hidden;
  transition: all .3s var(--ease);
  display: flex; flex-direction: column;
  color: var(--gold-200);
}
.product:hover { border-color: var(--gold-600); box-shadow: 0 16px 42px rgba(0,0,0,.45); transform: translateY(-3px); }
.product__name { color: var(--gold-100); }
.product__brand { color: var(--gold-500); }
.product__price__current { color: var(--gold-400); }
.product__price__old { color: rgba(235,216,148,.4); }
.product__rating span { color: rgba(235,216,148,.55); }
.product__btn { background: linear-gradient(135deg, var(--gold-600), var(--gold-800)); color: var(--ink-900); }
.product__btn:hover { background: linear-gradient(135deg, var(--gold-500), var(--gold-700)); color: var(--ink-900); }
.product__media {
  position: relative; aspect-ratio: 1;
  background: linear-gradient(140deg, var(--gold-100), var(--cream));
  display: grid; place-items: center;
  overflow: hidden;
}
.product__media svg { width: 60%; max-width: 180px; opacity: .92; transition: transform .5s var(--ease); }
.product:hover .product__media svg { transform: scale(1.08) rotate(-3deg); }
.product__tag {
  position: absolute; top: 14px; left: 14px;
  background: var(--red-700); color: #fff;
  font-size: .7rem; font-weight: 700; letter-spacing: .08em;
  padding: 6px 12px; border-radius: 999px;
  text-transform: uppercase;
}
.product__tag--gold { background: linear-gradient(135deg, var(--gold-500), var(--gold-700)); color: var(--red-900); }
.product__wish {
  position: absolute; top: 14px; right: 14px;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.85);
  display: grid; place-items: center;
  transition: all .2s var(--ease);
}
.product__wish:hover { background: #fff; color: var(--red-700); }
.product__body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.product__brand { font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold-700); margin-bottom: 6px; }
.product__name { font-family: var(--f-serif); font-size: 1.02rem; font-weight: 600; line-height: 1.3; margin-bottom: 8px; min-height: 2.6em; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product__rating { display: flex; gap: 2px; margin-bottom: 10px; color: var(--gold-600); font-size: .82rem; }
.product__rating span { color: var(--ink-500); margin-left: 6px; }
.product__price { display: flex; align-items: baseline; gap: 10px; margin-top: auto; margin-bottom: 14px; }
.product__price__current { font-family: var(--f-serif); font-size: 1.2rem; font-weight: 700; color: var(--red-800); }
.product__price__old { font-size: .88rem; color: var(--ink-300); text-decoration: line-through; }
.product__btn {
  background: var(--ink-900); color: #fff;
  padding: 10px 14px; border-radius: 999px;
  font-size: .82rem; font-weight: 600;
  transition: all .2s var(--ease);
  align-self: flex-start;
}
.product__btn:hover { background: var(--red-700); color: #fff; }

/* =================== BRANDS =================== */
.brands__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}
.brand-pill {
  padding: 22px 14px;
  text-align: center;
  border-radius: var(--r-md);
  border: 1px solid rgba(212,175,55,.2);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
  transition: all .25s var(--ease);
}
.brand-pill:hover { border-color: var(--gold-600); }
.brand-pill__name { color: var(--gold-300); }
.brand-pill__desc { color: rgba(235,216,148,.55); }
.brand-pill:hover { transform: translateY(-3px); border-color: var(--gold-600); box-shadow: var(--shadow-sm); }
.brand-pill__name { font-family: var(--f-serif); font-size: 1.1rem; font-weight: 700; color: var(--red-800); }
.brand-pill__desc { font-size: .76rem; color: var(--ink-500); margin-top: 4px; text-transform: uppercase; letter-spacing: .08em; }

/* =================== STORY (dark luxury, no red) =================== */
.story {
  background:
    radial-gradient(ellipse at 20% 20%, rgba(212,175,55,.1), transparent 55%),
    linear-gradient(160deg, var(--onyx), var(--ink-900) 60%, var(--ink-800));
  color: var(--gold-200);
  position: relative; overflow: hidden;
}
.story::before {
  content: '';
  position: absolute; top: -10%; right: -5%;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--gold-500), transparent 70%);
  opacity: .18; filter: blur(50px);
}
.story__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 2; }
.story h2 { color: #fff; }
.story h2 em { color: var(--gold-500); font-style: italic; }
.story__lead { font-size: 1.08rem; opacity: .85; margin-bottom: 24px; }
.story__points { list-style: none; padding: 0; margin: 24px 0 32px; display: grid; gap: 14px; }
.story__points li { display: flex; gap: 14px; align-items: flex-start; }
.story__points li::before {
  content: '✓';
  flex: 0 0 28px; width: 28px; height: 28px; border-radius: 50%;
  background: var(--gold-500); color: var(--red-900);
  display: grid; place-items: center;
  font-weight: 900; font-size: .9rem;
  margin-top: 2px;
}
.story__visual {
  aspect-ratio: 4/5; border-radius: var(--r-xl); overflow: hidden;
  background:
    radial-gradient(circle at 30% 20%, rgba(212,175,55,.15), transparent 55%),
    linear-gradient(160deg, #0A0908, #16130E);
  border: 1px solid rgba(212,175,55,.2);
  position: relative;
  box-shadow: 0 40px 80px rgba(0,0,0,.5);
}
.story__visual svg { position: absolute; inset: 0; margin: auto; width: 70%; filter: drop-shadow(0 20px 40px rgba(0,0,0,.5)); }

/* =================== TESTIMONIALS =================== */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review {
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
  border: 1px solid rgba(212,175,55,.2);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  position: relative;
  color: var(--gold-200);
}
.review__text { color: var(--gold-200); }
.review__name { color: var(--gold-100); }
.review__role { color: rgba(235,216,148,.6); }
.review__stars { color: var(--gold-500); }
.review::before {
  content: '"';
  position: absolute; top: -10px; left: 24px;
  font-family: var(--f-serif); font-size: 6rem; line-height: 1;
  color: var(--gold-600); opacity: .6;
}
.review__text { font-size: 1rem; color: var(--ink-700); line-height: 1.65; margin: 20px 0 24px; position: relative; z-index: 1; }
.review__author { display: flex; align-items: center; gap: 14px; }
.review__avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-500), var(--red-700));
  color: #fff; display: grid; place-items: center;
  font-family: var(--f-serif); font-weight: 700;
}
.review__name { font-weight: 700; color: var(--ink-900); }
.review__role { font-size: .84rem; color: var(--ink-500); }
.review__stars { color: var(--gold-600); font-size: .9rem; letter-spacing: 2px; }

/* =================== BLOG =================== */
.blog-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 24px; }
.post {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  min-height: 340px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px;
  color: #fff;
  background: linear-gradient(180deg, rgba(20,20,20,0) 30%, rgba(20,20,20,.85)), linear-gradient(135deg, var(--red-800), var(--red-900));
  transition: transform .3s var(--ease);
}
.post--feature { grid-row: span 2; min-height: 100%; background: linear-gradient(180deg, rgba(20,20,20,0) 40%, rgba(20,20,20,.9)), linear-gradient(135deg, #4a0a14 0%, #7a1230 60%, #a41e47 100%); }
.post:hover { transform: translateY(-4px); }
.post__cat {
  display: inline-block;
  font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  background: var(--gold-500); color: var(--red-900);
  padding: 5px 12px; border-radius: 999px;
  margin-bottom: 16px; align-self: flex-start; font-weight: 700;
}
.post__title { font-family: var(--f-serif); font-size: 1.25rem; font-weight: 700; line-height: 1.25; color: #fff; margin-bottom: 10px; }
.post--feature .post__title { font-size: 1.8rem; }
.post__meta { font-size: .8rem; opacity: .75; }

/* =================== CTA STRIP =================== */
.ctastrip {
  background:
    radial-gradient(ellipse at 80% 50%, rgba(212,175,55,.2), transparent 55%),
    radial-gradient(ellipse at 10% 100%, rgba(212,175,55,.08), transparent 60%),
    linear-gradient(135deg, var(--onyx), var(--ink-900));
  color: var(--gold-100);
  padding: clamp(48px, 8vw, 96px) 0;
  border-top: 1px solid rgba(212,175,55,.15);
  border-bottom: 1px solid rgba(212,175,55,.15);
}
.ctastrip__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.ctastrip h2 { color: #fff; }
.ctastrip h2 em { color: var(--gold-500); font-style: italic; }
.ctastrip__lead { opacity: .75; margin-bottom: 0; }
.ctastrip__actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }

/* =================== FOOTER =================== */
.footer { background: #0E0E0E; color: #c7b98f; padding: 80px 0 0; }
.footer a { color: #c7b98f; }
.footer a:hover { color: var(--gold-500); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 56px; border-bottom: 1px solid #252321; }
.footer h4 { color: var(--gold-500); font-family: var(--f-sans); font-size: .85rem; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 20px; font-weight: 600; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: .92rem; }
.footer__brand .brand__name { color: #fff; }
.footer__brand p { font-size: .9rem; margin: 18px 0; opacity: .8; }
.footer__contact li { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; }
.footer__contact svg { flex: 0 0 18px; margin-top: 3px; color: var(--gold-500); }
.footer__socials { display: flex; gap: 10px; margin-top: 20px; }
.footer__socials a {
  width: 40px; height: 40px; border-radius: 50%;
  background: #252321;
  display: grid; place-items: center;
  transition: all .2s var(--ease);
}
.footer__socials a:hover { background: var(--red-700); color: #fff; transform: translateY(-2px); }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
  padding: 24px 0; font-size: .82rem; opacity: .7;
}

/* =================== STICKY ACTIONS =================== */
.float-cta {
  position: fixed;
  right: 20px; bottom: 20px;
  display: flex; flex-direction: column; gap: 12px;
  z-index: 55;
}
.float-cta a {
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-700));
  color: var(--ink-900);
  box-shadow: 0 10px 26px rgba(212,175,55,.35);
  transition: all .25s var(--ease);
  position: relative;
  border: 1px solid var(--gold-800);
}
.float-cta a:hover { transform: translateY(-3px) scale(1.06); color: var(--ink-900); filter: brightness(1.1); }
.float-cta a.zalo { background: linear-gradient(135deg, #0088ff, #005ce0); color: #fff; box-shadow: 0 10px 26px rgba(0,104,255,.4); border: 0; }
.float-cta a.zalo:hover { filter: brightness(1.1); color: #fff; }
.float-cta a::before {
  content: attr(data-tip);
  position: absolute; right: calc(100% + 10px); top: 50%; transform: translateY(-50%);
  background: var(--ink-900); color: #fff;
  padding: 6px 12px; border-radius: 6px;
  font-size: .8rem; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity .2s var(--ease);
}
.float-cta a:hover::before { opacity: 1; }
.float-cta a.pulse::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  background: inherit;
  animation: pulse 1.8s ease-out infinite;
  z-index: -1;
}
@keyframes pulse { 0% { transform: scale(1); opacity: .6; } 100% { transform: scale(1.6); opacity: 0; } }

/* =================== RESPONSIVE =================== */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__badge--tl { left: 10px; }
  .hero__badge--br { right: 10px; }
  .ctastrip__grid, .story__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .products, .bento { grid-template-columns: repeat(3, 1fr); }
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
  .trust__item:nth-child(2) { border-left: 0; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .post--feature { grid-column: span 2; grid-row: auto; }
}
@media (max-width: 768px) {
  .nav, .actions .icon-btn.hide-mobile { display: none; }
  .menu-toggle { display: grid; }
  .header__wrap { grid-template-columns: 1fr auto; }
  .trust__grid { grid-template-columns: 1fr; }
  .trust__item + .trust__item { border-left: 0; border-top: 1px solid var(--line); }
  .products, .bento { grid-template-columns: repeat(2, 1fr); }
  .bento { grid-auto-rows: 160px; }
  .bento__tile--wide { grid-column: span 2; }
  .reviews { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .post--feature { grid-column: auto; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .ctastrip__actions { justify-content: flex-start; }
}
@media (max-width: 480px) {
  .products, .bento { grid-template-columns: 1fr; }
  .bento__tile--wide { grid-column: auto; }
  .topbar__left > span:not(:first-child), .topbar__right > a:not(:first-child) { display: none; }
}

/* =================== MOBILE DRAWER =================== */
.drawer {
  position: fixed; inset: 0 0 0 auto;
  width: min(340px, 85vw);
  background: #fff;
  z-index: 100;
  transform: translateX(100%);
  transition: transform .3s var(--ease);
  box-shadow: -10px 0 40px rgba(0,0,0,.2);
  display: flex; flex-direction: column;
  overflow-y: auto;
}
.drawer.is-open { transform: translateX(0); }
.drawer__head { display: flex; justify-content: space-between; align-items: center; padding: 20px; border-bottom: 1px solid var(--line); }
.drawer__nav { padding: 10px 0; flex: 1; }
.drawer__nav a {
  display: block; padding: 14px 20px; font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.drawer__nav a:hover { background: var(--gold-100); color: var(--red-800); }
.drawer__cta { padding: 20px; display: grid; gap: 10px; }
.overlay {
  position: fixed; inset: 0; background: rgba(20,20,20,.5);
  z-index: 99; opacity: 0; pointer-events: none;
  transition: opacity .3s var(--ease);
}
.overlay.is-show { opacity: 1; pointer-events: auto; }

/* =================== ANIMATIONS =================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* =================== MARQUEE =================== */
.marquee {
  overflow: hidden; position: relative;
  background: linear-gradient(90deg, var(--ink-800), var(--ink-900) 50%, var(--ink-800));
  color: var(--gold-400);
  padding: 12px 0; font-weight: 500; font-size: .86rem; letter-spacing: .06em;
  border-bottom: 1px solid rgba(212,175,55,.12);
}
.marquee__track { display: flex; gap: 60px; white-space: nowrap; animation: scroll 30s linear infinite; }
.marquee__track span::before { content: '✦'; margin-right: 60px; color: var(--gold-500); opacity: .6; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* =================== PAGE HEADER (inner pages) =================== */
.pagehead {
  background:
    radial-gradient(ellipse at 80% 50%, rgba(201,169,97,.22), transparent 55%),
    linear-gradient(180deg, var(--ivory), var(--cream));
  padding: clamp(56px, 8vw, 96px) 0 clamp(40px, 6vw, 72px);
  text-align: center;
}
.breadcrumb { font-size: .85rem; color: var(--ink-500); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--red-700); }
.breadcrumb span { margin: 0 8px; color: var(--ink-300); }