/* ==============================================
   BASE.CSS — Reset + Variables + Typography + Utilities
   Yến Sào Yến Duyên
   ============================================== */

/* ==============================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================== */
:root {
  /* --- Primary Colors --- */
  --color-brand:           #2B2420;
  --color-brand-medium:    #4A423A;
  --color-brand-light:     #8C8074;
  --color-primary:         #B0472F;
  --color-primary-hover:   #C65A3D;

  /* --- Secondary Colors --- */
  --color-gold:            #C9A24B;
  --color-gold-pale:       #F0E2C4;
  --color-sale-pale:       #F8E3DF;
  --color-sale-dark:       #661515;
  --color-accent-orange:   #f97316;
  --color-cream:           #F3EBDB;
  --color-stone:           #9E9E9E;

  /* Nền thẻ/card/panel — sáng hơn nền trang một chút để vẫn "nổi",
     nhưng KHÔNG dùng trắng tuyệt đối để đỡ chói khi đặt cạnh màu đậm.
     Không dùng cho chữ/icon (đó vẫn là --color-white). */
  --color-surface:         #FBF6EC;

  /* --- Trạng thái đang chọn / đang tương tác (tab active, hover link,
       radio đã chọn...) — KHÔNG dùng cho giá/nút mua/badge attention,
       những chỗ đó dùng --color-primary (cam đất) ở trên. --- */
  --color-selected:        #1F5C4E;
  --color-selected-hover:  #164A3E;

  /* --- Text Colors --- */
  --color-text:            #2C1810;
  --color-text-medium:     #4A423A;
  --color-text-light:      #8C8074;
  --color-text-on-dark:    #FDFBF7;
  --color-text-muted:      #9E9E9E;

  /* --- Functional Colors --- */
  --color-success:         #1F5C4E;
  --color-sale:            #C62828;
  --color-white:           #FFFFFF;
  --color-bg:              #F3EBDB;

  /* --- Gradients --- */
  --gradient-brand:        linear-gradient(135deg, #2B2420 0%, #4A423A 100%);
  --gradient-hero:         linear-gradient(135deg, #2B2420 0%, #4A423A 100%);
  --gradient-card:         linear-gradient(180deg, #FBF6EC 0%, #F0E2C4 100%);
  --gradient-button:       linear-gradient(135deg, #B0472F 0%, #C65A3D 100%);
  --gradient-gold:         linear-gradient(135deg, #C9A24B 0%, #E0C374 50%, #C9A24B 100%);

  /* --- Shadows --- */
  --shadow-sm:             0 2px 6px rgba(43, 36, 32, 0.06);
  --shadow-md:             0 4px 12px rgba(43, 36, 32, 0.08);
  --shadow-lg:             0 12px 24px rgba(43, 36, 32, 0.15);
  --shadow-xl:             0 20px 40px rgba(43, 36, 32, 0.2);
  --shadow-brand:          0 4px 16px rgba(176, 71, 47, 0.2);
  --shadow-gold:           0 4px 16px rgba(201, 162, 75, 0.3);

  /* --- Typography --- */
  --font-heading:          'Playfair Display', 'Georgia', serif;
  --font-body:             'Montserrat', 'Arial', sans-serif;
  --font-accent:           'Cinzel', 'Times New Roman', serif;

  --text-xs:               0.75rem;    /* 12px */
  --text-sm:               0.875rem;   /* 14px */
  --text-base:             1rem;       /* 16px */
  --text-md:               1.125rem;   /* 18px */
  --text-lg:               1.25rem;    /* 20px */
  --text-xl:               1.5rem;     /* 24px */
  --text-2xl:              1.75rem;    /* 28px */
  --text-3xl:              2rem;       /* 32px */
  --text-4xl:              2.5rem;     /* 40px */
  --text-5xl:              3rem;       /* 48px */
  --text-6xl:              3.5rem;     /* 56px */

  --leading-tight:         1.2;
  --leading-snug:          1.4;
  --leading-normal:        1.6;
  --leading-relaxed:       1.8;

  /* --- Spacing --- */
  --space-4:               0.25rem;
  --space-8:               0.5rem;
  --space-12:              0.75rem;
  --space-16:              1rem;
  --space-20:              1.25rem;
  --space-24:              1.5rem;
  --space-32:              2rem;
  --space-40:              2.5rem;
  --space-48:              3rem;
  --space-64:              4rem;
  --space-80:              5rem;
  --space-96:              6rem;
  --space-120:             7.5rem;

  /* --- Border --- */
  --radius-sm:             4px;
  --radius-md:             8px;
  --radius-lg:             12px;
  --radius-xl:             16px;
  --radius-full:           9999px;

  --border-subtle:         1px solid rgba(43, 36, 32, 0.12);
  --border-light:          1px solid rgba(140, 128, 116, 0.2);
  --border-gold:           1px solid rgba(201, 162, 75, 0.4);

  /* --- Transitions --- */
  --transition-fast:       0.2s ease-in-out;
  --transition-base:       0.3s ease-in-out;
  --transition-slow:       0.5s ease-in-out;
  --transition-modal:      0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* --- Layout --- */
  --container-max:         1280px;
  --container-padding:     clamp(1rem, 4vw, 2rem);
  --header-height:         80px;
  --header-height-mobile:  60px;
  --section-padding:       clamp(3rem, 8vw, 7.5rem);
  --z-header:              100;
  --z-modal:               200;
  --z-toast:               300;
  --z-float:               90;
}


/* ==============================================
   2. MODERN CSS RESET
   ============================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Remove default list styles where needed */
ul[role="list"],
ol[role="list"] {
  list-style: none;
}

/* Remove default anchor styling */
a {
  color: inherit;
  text-decoration: none;
}

/* Improve media defaults */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

/* Inherit font for form elements */
input, button, textarea, select {
  font: inherit;
}

/* Remove built-in form typography */
button {
  cursor: pointer;
  background: none;
  border: none;
}

/* Avoid text overflows */
p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

/* Remove all animations for users who prefer */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ==============================================
   3. TYPOGRAPHY
   ============================================== */

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-text);
}

h1 { font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl)); }
h2 { font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); }
h3 { font-size: clamp(var(--text-xl), 3vw, var(--text-3xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); }

/* Body text */
p {
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}

/* Section label (small uppercase above title) */
.section-label {
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: block;
  margin-bottom: var(--space-12);
}

.section-label--light {
  color: rgba(201, 162, 75, 0.85);
}

/* Section title */
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 3.5vw, var(--text-5xl));
  font-weight: 700;
  line-height: var(--leading-snug);
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-24);
}

.section-title--light {
  color: var(--color-text-on-dark);
}

/* Section header block */
.section-header {
  margin-bottom: var(--space-64);
}

/* Divider with bird */
.section-divider {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  margin: var(--space-24) auto;
  max-width: 320px;
  color: var(--color-gold);
}

.section-divider--light {
  color: rgba(201, 162, 75, 0.7);
}

.divider-line {
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.4;
}

.divider-bird {
  width: 40px;
  height: 20px;
  flex-shrink: 0;
  fill: currentColor;
}

/* Signature text */
.about-signature {
  font-family: var(--font-accent);
  font-size: var(--text-xl);
  color: var(--color-brand);
  margin: var(--space-24) 0;
  letter-spacing: 0.05em;
}


/* ==============================================
   4. LAYOUT UTILITIES
   ============================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section-padding {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.mt-48 { margin-top: var(--space-48); }
.mt-32 { margin-top: var(--space-32); }
.mt-24 { margin-top: var(--space-24); }
.mb-48 { margin-bottom: var(--space-48); }
.mb-32 { margin-bottom: var(--space-32); }
.mb-24 { margin-bottom: var(--space-24); }

/* Background helpers */
.bg-cream       { background-color: var(--color-cream); }
.bg-brand-dark  { background-color: var(--color-brand); }
.bg-brand-medium{ background-color: var(--color-brand-medium); }
.bg-white       { background-color: var(--color-white); }
.bg-surface     { background-color: var(--color-surface); }

/* Visually hidden (screen reader only) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-16);
  z-index: calc(var(--z-header) + 10);
  padding: var(--space-12) var(--space-24);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}


/* ==============================================
   5. BUTTONS
   ============================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1;
  text-decoration: none;
  -webkit-user-select: none;
  user-select: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.btn:active {
  transform: scale(0.98);
}

/* Primary — Red gradient */
.btn-primary {
  background: var(--gradient-button);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: var(--shadow-brand);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(31, 92, 78, 0.35);
  filter: brightness(1.08);
}

/* Gold — For hero, newsletter */
.btn-gold {
  background: var(--gradient-gold);
  color: var(--color-brand);
  border-color: transparent;
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 162, 75, 0.5);
  filter: brightness(1.05);
}

/* Outline white — On dark/hero background */
.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.7);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

/* Outline brown — On light background */
.btn-outline-brown {
  background: transparent;
  color: var(--color-brand);
  border-color: var(--color-brand);
}

.btn-outline-brown:hover {
  background: var(--color-brand);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Add to cart button */
.btn-add-cart {
  width: 100%;
  padding: 12px 20px;
  background: var(--color-brand);
  color: var(--color-white);
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-brand);
  transition: all var(--transition-base);
}

.btn-add-cart:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-brand);
}

.btn-add-cart.added {
  background: var(--color-success);
  border-color: var(--color-success);
}


/* ==============================================
   6. CARDS
   ============================================== */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: var(--border-subtle);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}


/* ==============================================
   7. FORM ELEMENTS
   ============================================== */

.form-group {
  position: relative;
  margin-bottom: var(--space-24);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-medium);
  margin-bottom: var(--space-8);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-brand-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.2);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--color-sale);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.15);
  animation: shake 0.4s ease-in-out;
}

.form-error-msg {
  font-size: var(--text-sm);
  color: var(--color-sale);
  margin-top: var(--space-4);
  display: none;
}

.form-error-msg.visible {
  display: block;
}

/* Newsletter input */
.newsletter-input-group {
  display: flex;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.newsletter-input-group input {
  flex: 1;
  min-width: 200px;
  padding: 14px 20px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-size: var(--text-base);
}

.newsletter-input-group input::placeholder {
  color: rgba(255,255,255,0.6);
}

.newsletter-input-group input:focus {
  outline: none;
  border-color: var(--color-gold);
  background: rgba(255,255,255,0.2);
}

.newsletter-note {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  margin-top: var(--space-12);
}


/* ==============================================
   8. SCROLL ANIMATIONS
   ============================================== */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero fade-up animations (triggered by class on load) */
.animate-fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.8s ease-out forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Shake for form errors */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

/* Pulse for cart badge */
@keyframes pulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.4); }
  100% { transform: scale(1); }
}

.pulse {
  animation: pulse 0.4s ease-in-out;
}

/* Spinner */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(201, 162, 75, 0.3);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}


/* ==============================================
   9. TRUST BADGES
   ============================================== */

.trust-badges {
  background: var(--color-cream);
  border-bottom: var(--border-light);
  padding: var(--space-40) 0;
}

.trust-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-32);
  list-style: none;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.trust-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold-pale);
  border-radius: var(--radius-md);
  color: var(--color-brand);
}

.trust-text strong {
  display: block;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.trust-text span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 1023px) {
  .trust-list {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-24);
  }
}

@media (max-width: 767px) {
  .trust-list {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }

  .trust-badges {
    padding: var(--space-24) 0;
  }
}


/* ==============================================
   10. ABOUT SECTION
   ============================================== */

.about-section {
  /* Ảnh núi mờ sương thật + lớp mờ dần cùng hoà vào màu kem — gắn
     thẳng lên chính section (đã rộng hết trang sẵn), không cần
     pseudo-element/z-index/mẹo full-bleed gì thêm.
     Chỉnh vị trí: đổi giá trị trong background-position (cột 2).
     Chỉnh độ cao dải ảnh: đổi giá trị trong background-size. */
  background-color: var(--color-cream);
  background-image:
    linear-gradient(to bottom, transparent 0%, transparent 55%, var(--color-cream) 95%),
    url("../images/hero/nen-nui-cau-chuyen.webp");
  background-repeat: no-repeat;
  background-position: center clamp(160px, 20vw, 260px);
  background-size: 100% clamp(240px, 30vw, 420px);
}

.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-80);
  align-items: center;
}

.about-text {
  max-width: 560px;
}

.about-para {
  color: var(--color-text-medium);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-20);
}

.about-images {
  position: relative;
}

.about-img-frame {
  position: relative;
  padding: var(--space-24);
}

.about-img-main img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
}

.about-img-thumb {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 180px;
  height: 180px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-lg);
}

.about-img-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-img-ornament {
  position: absolute;
  width: 60px;
  height: 60px;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0 L20 0 L20 5 L5 5 L5 20 L0 20 Z' fill='%23D4AF37' opacity='0.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
}

.about-img-ornament--tl { top: 0; left: 0; }
.about-img-ornament--br {
  bottom: 0;
  right: 0;
  transform: rotate(180deg);
}

@media (max-width: 1023px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-48);
  }

  .about-images {
    order: -1;
  }

  .about-img-frame {
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 767px) {
  .about-img-thumb {
    width: 120px;
    height: 120px;
  }
}


/* ==============================================
   11. PRODUCT CARDS
   ============================================== */

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-24);
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: var(--border-subtle);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-card-img {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--color-cream);
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-img img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: var(--space-12);
  left: var(--space-12);
  padding: 4px 10px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  z-index: 1;
}

.product-badge--hot {
  background: var(--color-primary);
  color: var(--color-white);
}

.product-badge--gift {
  background: var(--color-gold);
  color: var(--color-brand);
}

.product-badge--new {
  background: var(--color-success);
  color: var(--color-white);
}

.product-card-body {
  padding: var(--space-20);
}

.product-name {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  line-height: var(--leading-snug);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-bottom: var(--space-12);
}

.product-rating-count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-left: var(--space-4);
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.price-current {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.price-old {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

@media (max-width: 1023px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 479px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}


/* ==============================================
   13. WHY CHOOSE US
   ============================================== */

.why-us {
  position: relative;
  overflow: hidden;
}

.why-us::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-40);
}

.why-us-item {
  text-align: center;
}

.why-us-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 162, 75, 0.15);
  border: 1px solid rgba(201, 162, 75, 0.3);
  border-radius: var(--radius-lg);
  color: var(--color-gold);
  margin: 0 auto var(--space-24);
  transition: all var(--transition-base);
}

.why-us-item:hover .why-us-icon {
  background: rgba(201, 162, 75, 0.25);
  transform: translateY(-4px);
}

.why-us-item h3 {
  font-size: var(--text-lg);
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-12);
}

.why-us-item p {
  font-size: var(--text-sm);
  color: rgba(250, 246, 241, 0.7);
  line-height: var(--leading-relaxed);
}

@media (max-width: 1023px) {
  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 479px) {
  .why-us-grid {
    grid-template-columns: 1fr;
  }
}


/* ==============================================
   14. TESTIMONIALS
   ============================================== */

.testimonials {
  background: var(--color-cream);
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23D4AF37' fill-opacity='0.04'%3E%3Cpath d='M40 20 C35 8, 20 8, 15 18 C20 14, 28 18, 40 20 C52 18, 60 14, 65 18 C60 8, 45 8, 40 20Z'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.testimonials-carousel {
  position: relative;
  max-width: 760px;
  margin: 0 auto var(--space-40);
  min-height: 280px;
}

.testimonial-slide {
  display: block;
}

.testimonial-slide[hidden] {
  display: none;
}

.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-48) var(--space-64);
  box-shadow: var(--shadow-lg);
  border: var(--border-subtle);
  position: relative;
  text-align: center;
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.testimonial-quote {
  font-family: var(--font-heading);
  font-size: 80px;
  line-height: 0.6;
  color: var(--color-gold);
  opacity: 0.3;
  position: absolute;
  top: var(--space-32);
  left: var(--space-40);
  user-select: none;
}

.testimonial-text {
  font-size: var(--text-md);
  font-style: italic;
  color: var(--color-text-medium);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-32);
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-16);
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--color-gold);
  flex-shrink: 0;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-info {
  text-align: left;
}

.testimonial-info strong {
  display: block;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-info span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-20);
}

.carousel-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: var(--border-light);
  border-radius: 50%;
  color: var(--color-text-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.carousel-btn:hover {
  background: var(--color-selected);
  border-color: var(--color-selected);
  color: var(--color-white);
  transform: scale(1.05);
}

.carousel-btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.carousel-dots {
  display: flex;
  gap: var(--space-8);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-brand-light);
  opacity: 0.4;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  padding: 0;
}

.carousel-dot.active,
.carousel-dot[aria-selected="true"] {
  background: var(--color-selected);
  opacity: 1;
  transform: scale(1.3);
}

@media (max-width: 767px) {
  .testimonial-card {
    padding: var(--space-32) var(--space-24);
  }

  .testimonial-author {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .testimonial-stars {
    margin-left: 0;
    margin-top: var(--space-8);
  }
}


/* ==============================================
   15. GIFT SETS
   ============================================== */

.gift-sets-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-64);
}

.gift-set-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
  align-items: center;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: var(--border-subtle);
}

.gift-set-card--reverse {
  direction: rtl;
}

.gift-set-card--reverse > * {
  direction: ltr;
}

.gift-set-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.gift-set-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gift-set-card:hover .gift-set-img img {
  transform: scale(1.04);
}

.gift-set-content {
  padding: var(--space-48) var(--space-64) var(--space-48) var(--space-48);
  background: var(--color-gold-pale);
}

.gift-set-card--reverse .gift-set-content {
  padding: var(--space-48) var(--space-48) var(--space-48) var(--space-64);
}

.gift-set-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--color-gold-pale);
  border: 1px solid rgba(201, 162, 75, 0.4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin-bottom: var(--space-16);
}

.gift-set-content h3 {
  font-size: var(--text-3xl);
  color: var(--color-text);
  margin-bottom: var(--space-16);
}

.gift-set-content p {
  color: var(--color-text-medium);
  margin-bottom: var(--space-24);
}

.gift-set-includes {
  list-style: none;
  margin-bottom: var(--space-32);
}

.gift-set-includes li {
  padding: var(--space-8) 0;
  padding-left: var(--space-24);
  font-size: var(--text-sm);
  color: var(--color-text-medium);
  border-bottom: 1px solid rgba(140, 128, 116, 0.1);
  position: relative;
}

.gift-set-includes li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-size: 10px;
  top: 50%;
  transform: translateY(-50%);
}

.gift-set-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-8);
  margin-bottom: var(--space-24);
}

.price-from {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.price-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

@media (max-width: 1023px) {
  .gift-set-card,
  .gift-set-card--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .gift-set-content,
  .gift-set-card--reverse .gift-set-content {
    padding: var(--space-32) var(--space-32) var(--space-32);
  }
}


/* ==============================================
   16. BLOG CARDS
   ============================================== */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-32);
}

.blog-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: var(--border-subtle);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.blog-card-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-cream);
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-img img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--space-24);
}

.blog-category {
  display: inline-block;
  padding: 3px 12px;
  background: var(--color-gold-pale);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin-bottom: var(--space-12);
}

.blog-title {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: var(--leading-snug);
  margin-bottom: var(--space-12);
}

.blog-title a {
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.blog-title a:hover {
  color: var(--color-selected);
}

.blog-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-16);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-selected);
  transition: gap var(--transition-fast);
}

.blog-read-more:hover {
  gap: var(--space-8);
}

@media (max-width: 1023px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}


/* ==============================================
   17. NEWSLETTER
   ============================================== */

.newsletter-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
  align-items: center;
}

.newsletter-text h2 {
  font-size: var(--text-4xl);
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-16);
}

.newsletter-text p {
  color: rgba(250, 246, 241, 0.8);
  font-size: var(--text-md);
}

.newsletter-text strong {
  color: var(--color-gold);
}

@media (max-width: 767px) {
  .newsletter-inner {
    grid-template-columns: 1fr;
    gap: var(--space-32);
  }

  .newsletter-input-group {
    flex-direction: column;
  }

  .newsletter-input-group .btn {
    width: 100%;
  }
}


/* ==============================================
   18. FLOATING CTA
   ============================================== */

.float-cta {
  position: fixed;
  bottom: var(--space-24);
  right: var(--space-24);
  z-index: var(--z-float);
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  width: 52px;
  height: 52px;
  padding: 0;
  border-radius: 50%;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.float-btn:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: var(--shadow-xl);
}

.float-btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.float-btn--call {
  background: var(--color-primary);
}

.float-btn--zalo {
  background: #0068ff;
}

.float-btn--fb {
  background: #1877f2;
}

/* On desktop: show only icon, on mobile show label too */
.float-btn span {
  display: none;
}

@media (max-width: 767px) {
  .float-cta {
    bottom: 0;
    right: 0;
    left: 0;
    flex-direction: row;
    border-radius: 0;
    gap: 0;
    padding: 0;
  }

  .float-btn {
    flex: 1;
    width: auto;
    height: auto;
    justify-content: center;
    border-radius: 0;
    padding: 14px 12px;
    box-shadow: none;
  }

  .float-btn span {
    display: inline;
  }

  .float-btn:hover {
    transform: none;
    filter: brightness(1.1);
  }

  /* Add bottom padding to body for mobile sticky bar */
  body {
    padding-bottom: 60px;
  }
}


/* ==============================================
   19. BACK TO TOP
   ============================================== */

.back-to-top {
  position: fixed;
  bottom: var(--space-96);
  right: var(--space-24);
  z-index: var(--z-float);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  opacity: 0;
  transform: translateY(12px);
}

.back-to-top:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top[hidden] {
  display: flex;
  opacity: 0;
  pointer-events: none;
}

.back-to-top:hover {
  background: var(--color-selected);
  transform: translateY(-3px);
  box-shadow: 0 4px 16px rgba(31, 92, 78, 0.25);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

@media (max-width: 767px) {
  .back-to-top {
    bottom: calc(60px + var(--space-16));
    right: var(--space-16);
  }
}


/* ==============================================
   20. FOCUS STYLES (Accessibility)
   ============================================== */

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* Remove outline for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* ==============================================
   21. DEMO TAG — nhãn đánh dấu nội dung/tính năng
   chưa nối dữ liệu thật, dùng chung toàn site
   ============================================== */
.demo-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  background: #fde68a;
  color: #92400e;
  font-family: var(--font-body, inherit);
  font-size: 10.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 3px 10px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
  pointer-events: none;
}
.demo-tag-inline {
  display: inline-block;
  background: #fde68a;
  color: #92400e;
  font-family: var(--font-body, inherit);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .04em;
  padding: 2px 8px;
  border-radius: 10px;
  vertical-align: middle;
}
.demo-banner {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  border-radius: 10px;
  padding: 10px 16px;
  margin-bottom: 18px;
  font-size: .86rem;
  line-height: 1.5;
}