/* ==========================================================================
   LANDING PAGE GẠO MẦM GABA ST25 ÔNG CUA CHO NGƯỜI TIỂU ĐƯỜNG
   High-Converting E-Commerce Design System (Chuẩn Chốt Đơn & Up-sell)
   Typography: Lora (Serif) + Be Vietnam Pro (Sans) + Dancing Script (Cursive)
   ========================================================================== */

/* --- 1. DESIGN TOKENS & CSS VARIABLES --- */
:root {
  /* Brand Primary Colors */
  --color-primary-dark: #062319;      /* Xanh đen rừng sâu */
  --color-primary: #0a3a2c;           /* Xanh thương hiệu Ông Cua */
  --color-primary-light: #13553f;     /* Xanh lá đậm */
  --color-accent-green: #1e7e50;      /* Xanh nhấn lá cây / checkmark */
  --color-mint-bg: #eef6f1;          /* Nền xanh pastel mát dịu */
  --color-mint-light: #f5f9f6;       /* Nền thẻ dịu */

  /* Warm Gold / Yellow (CTA & Highlights) */
  --color-gold: #f7ce3e;              /* Vàng nút mua hàng chính */
  --color-gold-hover: #e5b822;        /* Vàng hover */
  --color-gold-dark: #c69512;
  --color-gold-light: #fffdf5;        /* Nền vàng kem nhạt */
  --color-gold-border: #f0d88e;       /* Viền vàng nhẹ */

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-bg-page: #f8faf8;           /* Nền trang sạch sẽ, sang trọng */
  --color-text-title: #0a2d21;        /* Chữ tiêu đề xanh đậm quý phái */
  --color-text-main: #1c2b22;         /* Chữ nội dung chính */
  --color-text-body: #37493e;         /* Chữ nội dung thường */
  --color-text-muted: #5f7367;        /* Chữ phụ, ghi chú */
  --color-border: #e1ede5;            /* Đường viền mỏng */
  --color-border-light: #edf4ef;

  /* Typography */
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-script: 'Dancing Script', 'Charm', cursive;

  /* Spacing */
  --container-max-width: 1180px;
  --container-padding: 24px;
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 20px;
  --border-radius-xl: 26px;
  --border-radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(10, 58, 44, 0.05);
  --shadow-md: 0 10px 30px rgba(10, 58, 44, 0.08);
  --shadow-lg: 0 20px 48px rgba(10, 58, 44, 0.12);
  --shadow-gold: 0 8px 24px rgba(247, 206, 62, 0.45);
  --shadow-glow: 0 0 25px rgba(30, 126, 80, 0.2);

  /* Transitions */
  --transition: all 0.25s ease-in-out;
}

/* --- 2. BASE & RESET --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-body);
  background-color: var(--color-bg-page);
  line-height: 1.65;
  overflow-x: hidden;
  max-width: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button, input, select, textarea {
  font-family: inherit;
}

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

/* --- 3. TOP PROMO URGENCY BAR --- */
.top-promo-bar {
  background: linear-gradient(90deg, #072b20 0%, #0d4635 50%, #072b20 100%);
  color: #fff;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  position: relative;
  z-index: 1001;
  border-bottom: 1px solid rgba(247, 206, 62, 0.3);
}

.top-promo-bar .promo-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.promo-highlight {
  color: var(--color-gold);
  font-weight: 800;
}

.promo-countdown {
  background-color: rgba(247, 206, 62, 0.2);
  color: #fff;
  padding: 2px 10px;
  border-radius: var(--border-radius-pill);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  border: 1px solid rgba(247, 206, 62, 0.4);
}

/* --- 4. TYPOGRAPHY UTILITIES --- */
.script-note {
  font-family: var(--font-script);
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-accent-green);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.script-note.text-dark {
  color: var(--color-text-title);
}

.script-note.text-gold {
  color: #c99318;
}

.section-label {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-accent-green);
  margin-bottom: 10px;
  display: inline-block;
  background-color: rgba(30, 126, 80, 0.08);
  padding: 4px 14px;
  border-radius: var(--border-radius-pill);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.35rem;
  font-weight: 700;
  color: var(--color-text-title);
  line-height: 1.28;
  margin-bottom: 14px;
  letter-spacing: -0.015em;
}

.section-desc {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- 5. BUTTONS & BADGES --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 1.02rem;
  font-weight: 700;
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #fce07a 0%, #f7ce3e 50%, #eab420 100%);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #f7ce3e 0%, #eab420 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(247, 206, 62, 0.55);
}

.btn-pulse {
  animation: pulseButton 2.2s infinite;
}

@keyframes pulseButton {
  0% { transform: scale(1); box-shadow: 0 8px 24px rgba(247, 206, 62, 0.45); }
  50% { transform: scale(1.025); box-shadow: 0 12px 30px rgba(247, 206, 62, 0.65); }
  100% { transform: scale(1); box-shadow: 0 8px 24px rgba(247, 206, 62, 0.45); }
}

.btn-outline {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: #c7dbcf;
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background-color: #f3f8f5;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-outline-green {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline-green:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.price-box {
  background: linear-gradient(135deg, #ffefad 0%, #fce07a 100%);
  color: var(--color-primary-dark);
  font-family: var(--font-sans);
  font-size: 1.65rem;
  font-weight: 800;
  padding: 10px 24px;
  border-radius: var(--border-radius-md);
  display: inline-block;
  box-shadow: 0 4px 16px rgba(247, 206, 62, 0.35);
  border: 1px solid rgba(234, 180, 32, 0.4);
}

.price-box span {
  font-size: 1.05rem;
  font-weight: 600;
  color: #3b5044;
}

/* ==========================================================================
   SECTION 1: HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.04);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
}

.brand-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: #36483e;
  position: relative;
  padding: 6px 0;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent-green);
  transition: var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta .btn {
  padding: 10px 24px;
  font-size: 0.94rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--color-primary-dark);
  cursor: pointer;
}

/* ==========================================================================
   SECTION 2: HERO BANNER (Dạng Banner: Background hình ảnh, Nút & Text phía trước)
   ========================================================================== */
.hero-banner-section {
  position: relative;
  width: 100%;
  min-height: 660px;
  background-color: #fbf6e8;
  background-image: 
    linear-gradient(90deg, rgba(251, 246, 232, 0.98) 0%, rgba(251, 246, 232, 0.94) 38%, rgba(251, 246, 232, 0.5) 48%, rgba(251, 246, 232, 0) 58%),
    url('../images/hero_banner_bg_clean.jpg');
  background-position: right center;
  background-size: cover;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  padding: 55px 0 65px;
  overflow: hidden;
}

.hero-banner-container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-banner-content {
  max-width: 530px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  z-index: 3;
}

.hero-script-top {
  margin-bottom: 12px;
}

.hero-script-top .script-note {
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
  font-family: var(--font-script);
  font-size: 1.6rem;
  color: #238356;
}

.script-underline {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 10px;
  pointer-events: none;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.25rem;
  font-weight: 700;
  color: var(--color-text-title);
  line-height: 1.16;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 600;
  color: #17382a;
  line-height: 1.5;
  margin-bottom: 16px;
}

.hero-body {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 580px;
}

/* Standalone Price Box (Đúng như ảnh thiết kế gốc) */
.hero-price-line {
  margin-bottom: 20px;
}

.price-box {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  background: #fac438;
  color: #17382a;
  padding: 10px 24px;
  border-radius: var(--border-radius-pill);
  font-size: 1.45rem;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(250, 196, 56, 0.35);
}

.price-box span {
  font-size: 0.92rem;
  font-weight: 600;
  color: #2c4a3b;
}

/* Decorative top-right handwritten note (chuẩn ảnh thiết kế) */
.hero-right-badge {
  position: absolute;
  top: 10px;
  right: 15px;
  font-family: var(--font-script);
  font-size: 1.55rem;
  font-weight: 700;
  color: #17382a;
  line-height: 1.22;
  text-align: right;
  pointer-events: none;
  z-index: 3;
  transform: rotate(-3deg);
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

/* 2 Action Buttons on row below (Đúng như ảnh thiết kế gốc) */
.hero-btn-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 30px;
}

.btn-hero-buy {
  background: #fac438;
  color: #17382a;
  border-radius: var(--border-radius-pill);
  padding: 13px 28px;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(250, 196, 56, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-hero-buy:hover {
  background: #f5b820;
  transform: translateY(-2px);
}

.btn-hero-proof {
  background: #ffffff;
  color: #17382a;
  border: 1.5px solid #238356;
  border-radius: var(--border-radius-pill);
  padding: 11px 24px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-hero-proof:hover {
  background: #f0f7f3;
  transform: translateY(-2px);
}

.btn-play-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: #238356;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* 4 USPs row chuẩn thiết kế (Icon nằm trên, căn giữa, vách ngăn thanh thoát) */
.hero-usp-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 100%;
  max-width: 530px;
  padding-top: 16px;
}

.hero-usp-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 10px;
  border-right: 1px solid #dce8e0;
}

.hero-usp-item:first-child {
  padding-left: 0;
}

.hero-usp-item:last-child {
  border-right: none;
  padding-right: 0;
}

.hero-usp-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1c6b45;
  margin-bottom: 6px;
}

.hero-usp-text {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-usp-text strong {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  color: #17382a;
  line-height: 1.25;
  white-space: nowrap;
}

.hero-usp-text span {
  font-size: 0.74rem;
  color: #556e61;
  line-height: 1.25;
  margin-top: 3px;
  white-space: nowrap;
}



/* ==========================================================================
   SECTION 3: VÌ SAO KHÓ & QUY TRÌNH KHÁC BIỆT (2 CỘT)
   ========================================================================== */
.two-col-section {
  padding: 85px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border-light);
}

.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 50px;
}

/* Cột trái: Vấn đề */
.problem-col {
  padding-right: 15px;
  border-right: 1px solid #eaefe9;
}

.problem-col .section-title {
  font-size: 2.15rem;
}

.problem-col .section-desc {
  margin-bottom: 28px;
}

.problem-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.problem-card {
  background-color: var(--color-bg-page);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 18px 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
}

.problem-card:hover {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  border-color: #b5c7bc;
  transform: translateX(4px);
}

.problem-card-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-mint-bg);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-green);
  border: 1px solid rgba(30, 126, 80, 0.15);
}

.problem-card h4 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 5px;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--color-text-body);
  line-height: 1.48;
}

/* Cột phải: Quy trình 4 bước */
.process-col {
  display: flex;
  flex-direction: column;
}

.process-col .section-title {
  font-size: 2.15rem;
}

.process-col .section-desc {
  margin-bottom: 32px;
}

.process-steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  position: relative;
}

.process-step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.step-image-wrap {
  position: relative;
  width: 102px;
  height: 102px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #ebd99f;
  margin-bottom: 14px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
  background-color: #fbf8ef;
}

.step-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.step-number-badge {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 50%);
  width: 26px;
  height: 26px;
  background-color: var(--color-accent-green);
  color: #fff;
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.process-step-card h5 {
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-top: 14px;
  margin-bottom: 6px;
}

.process-step-card p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.process-arrow {
  position: absolute;
  top: 42px;
  right: -10px;
  color: var(--color-accent-green);
  font-size: 1.25rem;
  font-weight: 700;
  z-index: 2;
}

/* ==========================================================================
   SECTION 4: BẰNG CHỨNG & KIỂM ĐỊNH KHOA HỌC (DARK GREEN SECTION)
   ========================================================================== */
.evidence-section {
  padding: 90px 0 80px;
  background: linear-gradient(135deg, #072b20 0%, #0a3a2c 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.evidence-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 50px;
}

.evidence-header .section-label {
  background-color: rgba(247, 206, 62, 0.15);
  color: var(--color-gold);
}

.evidence-header .section-title {
  color: var(--color-white);
  font-size: 2.4rem;
}

.evidence-header .section-desc {
  color: #b9d3c5;
}

.evidence-content-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto 50px;
}

/* Thẻ kết quả phân tích chuẩn chứng nhận kiểm nghiệm */
.cert-card {
  background-color: var(--color-white);
  color: var(--color-text-main);
  border-radius: var(--border-radius-lg);
  padding: 26px 26px 20px;
  text-align: center;
  position: relative;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.25);
  border: 1px solid #d4dfd8;
}

.cert-badge-top {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #17382a;
  margin-bottom: 12px;
}

.cert-main-box {
  border: 1.5px solid #f2e3b6;
  background-color: #fffdf8;
  border-radius: var(--border-radius-md);
  padding: 16px 20px;
  margin-bottom: 16px;
}

.cert-label {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 600;
  color: #3b4d43;
  margin-bottom: 6px;
}

.cert-number {
  font-family: var(--font-serif);
  font-size: 3.15rem;
  font-weight: 700;
  color: #17382a;
  line-height: 1;
}

.cert-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 6px;
  text-align: left;
}

.cert-org-info span {
  font-size: 0.84rem;
  color: #556e61;
  line-height: 1.35;
  display: block;
}

/* Con dấu mộc đỏ kiểm nghiệm uy tín chất lượng */
.cert-seal-wrap {
  width: 82px;
  height: 82px;
  flex-shrink: 0;
  transform: rotate(-10deg);
  transition: transform var(--transition-fast);
  cursor: pointer;
}

.cert-card:hover .cert-seal-wrap {
  transform: rotate(-5deg) scale(1.05);
}

.cert-official-seal {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 2px 6px rgba(194, 35, 41, 0.28));
}

/* Checklist cam kết */
.evidence-checklist {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.evidence-check-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 15px 22px;
  border-radius: var(--border-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition);
}

.evidence-check-item:hover {
  background-color: rgba(255, 255, 255, 0.12);
  transform: translateX(4px);
}

.evidence-check-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.evidence-check-item span {
  font-size: 1.05rem;
  font-weight: 600;
  color: #f1f7f4;
}

.evidence-disclaimer {
  font-size: 0.85rem;
  font-style: italic;
  color: #8dafa0;
  margin-top: 14px;
  line-height: 1.45;
}

/* Dải giải thưởng */
.awards-banner {
  background-color: rgba(5, 28, 20, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--border-radius-xl);
  padding: 26px 32px;
  margin-top: 20px;
}

.awards-banner-title {
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 20px;
  text-align: center;
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.award-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.award-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  flex-shrink: 0;
  border: 1px solid rgba(247, 206, 62, 0.3);
}

.award-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: #e5f0ea;
  line-height: 1.35;
}

/* ==========================================================================
   SECTION 5: HƯƠNG VỊ & LỐI SỐNG LÀNH MẠNH
   ========================================================================== */
.taste-section {
  padding: 85px 0;
  background-color: #fafcfb;
  position: relative;
}

.taste-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.taste-benefits-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 26px;
  margin-bottom: 34px;
}

.taste-benefit-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background-color: var(--color-white);
  padding: 16px 22px;
  border-radius: var(--border-radius-pill);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.taste-benefit-card:hover {
  transform: translateX(6px);
  border-color: var(--color-accent-green);
}

.taste-benefit-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-mint-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-green);
  flex-shrink: 0;
}

.taste-benefit-info h4 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 2px;
}

.taste-benefit-info p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.taste-cta-row {
  display: flex;
  gap: 16px;
}

.taste-visual {
  position: relative;
}

.taste-photo-frame {
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 5px solid #fff;
  background-color: #e5ece7;
  transition: var(--transition);
}

.taste-photo-frame:hover {
  transform: translateY(-4px);
}

.taste-photo-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   SECTION 6: BẢNG SO SÁNH TRỰC QUAN (COMPARISON TABLE)
   ========================================================================== */
.comparison-section {
  padding: 85px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border-light);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 40px;
  align-items: flex-start;
}

.comparison-intro .script-note {
  margin-bottom: 10px;
}

.comparison-intro .section-title {
  font-size: 2.15rem;
  margin-bottom: 16px;
}

.comparison-intro .section-desc {
  margin-bottom: 30px;
}

.comparison-intro-media {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background-color: #f1f3ed;
  border: 1px solid var(--color-border);
  margin-top: 24px;
}

.comparison-intro-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* Bảng so sánh */
.table-responsive-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid #dbe6de;
  background-color: #fff;
  position: relative;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.compare-table th, 
.compare-table td {
  padding: 18px 20px;
  vertical-align: middle;
}

.compare-table thead th {
  font-size: 0.95rem;
  font-weight: 700;
  border-bottom: 2px solid #dae5dd;
}

.col-criteria {
  width: 25%;
  background-color: #f4f8f5;
  color: var(--color-primary-dark);
}

.col-normal {
  width: 35%;
  background-color: #f9fbf9;
  color: #49574e;
  text-align: center;
}

.col-gaba {
  width: 40%;
  background-color: #fffdf5;
  color: var(--color-primary-dark);
  text-align: center;
  border-left: 2px solid var(--color-gold-border);
  border-right: 2px solid var(--color-gold-border);
}

.th-product-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.th-product-header img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #dae5dd;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.th-product-header span {
  font-weight: 800;
  color: var(--color-primary-dark);
  font-size: 1.05rem;
}

.compare-table tbody tr {
  border-bottom: 1px solid #e7efe9;
}

.compare-table tbody tr:last-child {
  border-bottom: none;
}

.td-criteria {
  font-weight: 700;
  color: var(--color-primary-dark);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.criteria-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-mint-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-green);
  flex-shrink: 0;
}

.td-normal {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  text-align: left;
}

.td-gaba {
  background-color: #fffdf7;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  line-height: 1.45;
  border-left: 2px solid var(--color-gold-border);
  border-right: 2px solid var(--color-gold-border);
  text-align: left;
}

.gaba-check-wrap {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.gaba-check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--color-accent-green);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  font-weight: 800;
}

/* ==========================================================================
   SECTION 7: THƯƠNG HIỆU ÔNG CUA & KỸ SƯ HỒ QUANG CUA
   ========================================================================== */
.founder-section {
  padding: 85px 0;
  background: linear-gradient(180deg, #f4f8f5 0%, #ffffff 100%);
  position: relative;
}

.founder-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.founder-col-left .section-title {
  font-size: 2.1rem;
  margin-bottom: 16px;
}

.founder-col-left .section-desc {
  margin-bottom: 26px;
}

.founder-col-center {
  position: relative;
  text-align: center;
}

.founder-portrait-frame {
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 5px solid #fff;
  background-color: #dbe4dd;
  transition: var(--transition);
}

.founder-portrait-frame:hover {
  transform: translateY(-4px);
}

.founder-portrait-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.founder-col-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.founder-badge-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: var(--color-white);
  padding: 16px 20px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.founder-badge-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent-green);
  box-shadow: var(--shadow-md);
}

.founder-badge-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  flex-shrink: 0;
}

.founder-badge-text h5 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 2px;
}

.founder-badge-text p {
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   SECTION 8: CẢM NHẬN KHÁCH HÀNG (CUSTOMER REVIEWS)
   ========================================================================== */
.reviews-section {
  padding: 85px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border-light);
}

.reviews-header-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 45px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background-color: #fafcfb;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.review-card:hover {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  border-color: #b7cebf;
  transform: translateY(-4px);
}

.review-card-top {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.review-avatar {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid #e3ebe6;
  background-color: #dee5df;
}

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

.review-stars {
  color: #f7b731;
  font-size: 1.15rem;
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.review-quote {
  font-size: 0.95rem;
  color: #3b4940;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
  font-style: italic;
}

.review-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-top: 14px;
  border-top: 1px dashed #dae4dd;
}

.reviewer-info h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.reviewer-info span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.verified-buyer-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-accent-green);
  font-size: 0.82rem;
  font-weight: 700;
}

.quote-watermark {
  position: absolute;
  bottom: 18px;
  right: 22px;
  color: #cfded4;
  font-size: 2.4rem;
  line-height: 1;
  opacity: 0.4;
  pointer-events: none;
}

/* ==========================================================================
   SECTION 9: ĐẶT HÀNG, UP-SELL COMBO & FORM CHỐT ĐƠN (CONVERSION ENGINE)
   ========================================================================== */
.purchase-section {
  padding: 90px 0;
  background: linear-gradient(180deg, #f7faf8 0%, #e9f2ec 100%);
  position: relative;
}

.purchase-header-wrap {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}

.purchase-main-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: flex-start;
}

/* Left: Bundle Packages (UP-SELL OPTIONS) */
.upsell-packages-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.package-card {
  border: 2px solid #d4e2d8;
  background-color: #fff;
  border-radius: var(--border-radius-lg);
  padding: 20px 24px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
}

.package-card:hover {
  border-color: var(--color-accent-green);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.package-card.selected {
  border-color: var(--color-accent-green);
  background-color: #f7fbf8;
  box-shadow: 0 8px 24px rgba(30, 126, 80, 0.15);
}

.package-radio {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid #b2c5b8;
  display: flex;
  align-items: center;
  justify-content: center;
}

.package-card.selected .package-radio {
  border-color: var(--color-accent-green);
}

.package-card.selected .package-radio::after {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-accent-green);
}

.package-info h4 {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.package-badge-tag {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--border-radius-pill);
  text-transform: uppercase;
}

.tag-recommended {
  background-color: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.tag-hot {
  background-color: #ffebee;
  color: #c62828;
  border: 1px solid #ffcdd2;
}

.package-benefit-text {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.package-pricing {
  text-align: right;
}

.package-price-current {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  line-height: 1.1;
}

.package-price-old {
  font-size: 0.84rem;
  color: #999;
  text-decoration: line-through;
}

.package-ribbon {
  position: absolute;
  top: -11px;
  right: 24px;
  background: linear-gradient(135deg, #e67e22, #d35400);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: var(--border-radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(211, 84, 0, 0.35);
}

/* Middle Visual & Trust items */
.purchase-product-spotlight {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 20px;
  align-items: center;
  background-color: #fff;
  border-radius: var(--border-radius-lg);
  padding: 20px;
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.purchase-product-spotlight img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  display: block;
}

.spotlight-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.spotlight-feat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.spotlight-feat-row svg {
  color: var(--color-accent-green);
  flex-shrink: 0;
}

/* Right: Form Đặt Hàng Trực Tiếp (Instant Order Checkout) */
.checkout-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
  border: 1px solid #d8e5dd;
  position: sticky;
  top: 96px;
}

.checkout-header {
  border-bottom: 2px dashed #e2ede6;
  padding-bottom: 16px;
  margin-bottom: 20px;
  text-align: center;
}

.checkout-header h3 {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.checkout-header p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  border: 1.5px solid #d4e0d7;
  border-radius: var(--border-radius-sm);
  background-color: #fafcfb;
  color: var(--color-text-main);
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent-green);
  background-color: #fff;
  box-shadow: 0 0 0 3px rgba(30, 126, 80, 0.12);
}

.order-summary-box {
  background-color: var(--color-mint-light);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 14px 18px;
  margin: 20px 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.92rem;
  margin-bottom: 6px;
  color: var(--color-text-muted);
}

.summary-row.total-row {
  border-top: 1px dashed #cfded4;
  padding-top: 10px;
  margin-top: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.total-price-val {
  color: #b71c1c;
  font-size: 1.45rem;
}

.btn-submit-order {
  width: 100%;
  padding: 16px 20px;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.order-security-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
  font-size: 0.78rem;
  color: #667c70;
  text-align: center;
}

.order-security-badges span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ==========================================================================
   ICHECK VERIFICATION CARD IN SECTION 9
   ========================================================================== */
.icheck-verify-bar {
  margin-top: 40px;
  background-color: #fff;
  border-radius: var(--border-radius-xl);
  padding: 28px 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
}

.icheck-brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 1.8rem;
  font-weight: 800;
  color: #1a1a1a;
  letter-spacing: -0.03em;
}

.icheck-check-badge {
  color: #27ae60;
  font-size: 1.6rem;
}

.phone-mockup-img {
  width: 92px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
  display: block;
}

.icheck-bullets-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.icheck-bullet-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.icheck-bullet-icon {
  color: var(--color-accent-green);
  font-size: 1.1rem;
}

/* ==========================================================================
   SECTION 10: CÂU HỎI THƯỜNG GẶP (FAQ ACCORDION)
   ========================================================================== */
.faq-section {
  padding: 85px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border-light);
  position: relative;
  overflow: hidden;
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 50px;
  position: relative;
  z-index: 1;
}

.faq-left-col .section-title {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.faq-left-col .section-desc {
  margin-bottom: 28px;
}

.faq-accent-decor {
  margin-top: 32px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  max-width: 280px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  background-color: #faf9f6;
}

.faq-accent-decor img {
  width: 100%;
  height: auto;
  display: block;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: var(--color-bg-page);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  background-color: #fff;
  border-color: var(--color-accent-green);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  cursor: pointer;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--color-accent-green);
}

.faq-toggle-icon {
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--color-accent-green);
  transition: transform 0.3s ease;
  line-height: 1;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  padding: 0 22px;
  font-size: 0.94rem;
  color: var(--color-text-body);
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 22px 20px;
}

/* ==========================================================================
   SECTION 11: PRE-FOOTER CTA BANNER
   ========================================================================== */
.prefooter-banner {
  padding: 45px 0;
  background: linear-gradient(135deg, #eaf2eb 0%, #d8e6db 100%);
  position: relative;
  overflow: hidden;
}

.prefooter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.prefooter-script {
  font-family: var(--font-script);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.prefooter-headline {
  text-align: center;
}

.prefooter-headline h3 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.3;
}

.prefooter-headline p {
  font-size: 1.05rem;
  font-weight: 600;
  color: #3b5044;
}

.prefooter-cta .btn {
  padding: 14px 34px;
  font-size: 1.05rem;
}

/* ==========================================================================
   SECTION 12: CHÂN TRANG (SITE FOOTER)
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary);
  color: #c7d8cf;
  padding: 65px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.9fr 0.9fr 1.3fr;
  gap: 30px;
  margin-bottom: 50px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: #9db5a8;
  margin-top: 14px;
  line-height: 1.55;
  max-width: 250px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 6px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-gold);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: #b1c7bc;
}

.footer-links a:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hotline-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 10px 14px;
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hotline-badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-gold);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hotline-badge-text strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.hotline-badge-text span {
  font-size: 0.74rem;
  color: #a4bdb0;
}

.social-icons-row {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition);
}

.social-btn:hover {
  background-color: var(--color-gold);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.footer-script-col {
  margin-top: 10px;
  font-family: var(--font-script);
  font-size: 1.55rem;
  color: var(--color-gold);
  line-height: 1.25;
}

.footer-bottom-bar {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #8da498;
}

.footer-bottom-links {
  display: flex;
  gap: 18px;
}

.footer-bottom-links a:hover {
  color: #fff;
}

/* ==========================================================================
   STICKY BOTTOM BAR (THANH CHỐT ĐƠN NỔI KHI CUỘN)
   ========================================================================== */
.sticky-order-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  border-top: 1px solid #dae7df;
  padding: 12px 20px;
  z-index: 999;
  transform: translateY(110%);
  transition: transform 0.35s ease;
}

.sticky-order-bar.visible {
  transform: translateY(0);
}

.sticky-order-inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sticky-product-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sticky-product-thumb {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  border: 1px solid #d4e2d8;
  object-fit: cover;
}

.sticky-product-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  line-height: 1.2;
}

.sticky-product-price {
  font-size: 0.88rem;
  color: #b71c1c;
  font-weight: 700;
}

.sticky-cta-btn {
  padding: 10px 24px;
  font-size: 0.95rem;
}

/* ==========================================================================
   LIVE SOCIAL PROOF POPUP NOTIFICATION
   ========================================================================== */
.live-toast-popup {
  position: fixed;
  bottom: 80px;
  left: 20px;
  background-color: #fff;
  border: 1px solid #d8e5dd;
  border-radius: var(--border-radius-md);
  padding: 12px 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 998;
  transform: translateY(150%);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
  max-width: 320px;
  pointer-events: none;
}

.live-toast-popup.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-avatar-thumb {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
}

.toast-content-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.2;
}

.toast-content-detail {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */

/* Tablet (< 1024px) */
@media (max-width: 1024px) {
  .hero-banner-section {
    background-position: 88% center;
    min-height: 560px;
    padding: 35px 0 45px;
  }

  .hero-banner-content {
    max-width: 470px;
    background: rgba(255, 255, 255, 0.92);
    padding: 24px 22px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(8px);
  }

  .hero-right-badge {
    display: none;
  }

  .hero-usp-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    border-top: 1px solid #e1ebe4;
    padding-top: 16px;
  }

  .hero-usp-item {
    border-right: none;
    padding: 0 8px;
  }

  .hero-usp-text strong,
  .hero-usp-text span {
    white-space: normal;
  }

  .two-col-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .problem-col {
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid #eaefe9;
    padding-bottom: 40px;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .founder-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .founder-col-left {
    grid-column: 1 / -1;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .purchase-main-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .checkout-card {
    position: static;
  }

  .icheck-verify-bar {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 20px;
  }

  .icheck-bullets-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .awards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }

  .nav-links, .nav-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .site-header.nav-active .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background-color: #fff;
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .hero-banner-section {
    background-position: 80% center;
    padding: 20px 14px 28px;
    min-height: auto;
  }

  .hero-banner-container {
    padding: 0;
    width: 100%;
  }

  .hero-banner-content {
    width: 100%;
    max-width: 100%;
    background: rgba(255, 255, 255, 0.95);
    padding: 18px 14px;
    border-radius: var(--border-radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    box-sizing: border-box;
    overflow: hidden;
    align-items: stretch;
  }

  .hero-right-badge {
    display: none;
  }

  .hero-script-top {
    width: 100%;
    max-width: 100%;
  }

  .hero-script-top .script-note {
    font-size: 0.95rem;
    line-height: 1.35;
    display: inline-block;
    max-width: 100%;
    white-space: normal;
  }

  .hero-title {
    font-size: 1.65rem;
    line-height: 1.2;
    margin-bottom: 10px;
    word-break: break-word;
  }

  .hero-lead {
    font-size: 0.95rem;
    line-height: 1.45;
    margin-bottom: 10px;
  }

  .hero-body {
    font-size: 0.88rem;
    line-height: 1.5;
    margin-bottom: 16px;
  }

  .hero-price-line {
    margin-bottom: 14px;
  }

  .price-box {
    font-size: 1.22rem;
    padding: 8px 18px;
  }

  .hero-btn-row {
    flex-direction: column;
    width: 100%;
    gap: 10px;
    margin-bottom: 18px;
  }

  .btn-hero-buy,
  .btn-hero-proof {
    width: 100%;
    box-sizing: border-box;
    justify-content: center;
    padding: 12px 18px;
    font-size: 0.95rem;
  }

  .hero-usp-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 8px;
    padding-top: 14px;
    border-top: 1px solid #e1ebe4;
    width: 100%;
    box-sizing: border-box;
  }

  .hero-usp-item {
    min-width: 0;
    border-right: none;
    padding: 0 4px;
  }

  .hero-usp-text {
    width: 100%;
  }

  .hero-usp-text strong {
    font-size: 0.8rem;
    white-space: normal;
    text-align: center;
    word-break: break-word;
  }

  .hero-usp-text span {
    font-size: 0.7rem;
    white-space: normal;
    text-align: center;
    word-break: break-word;
  }

  .process-steps-row {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .process-arrow {
    display: none;
  }

  .evidence-content-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .awards-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .taste-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .taste-benefit-card {
    border-radius: var(--border-radius-lg);
    padding: 14px 16px;
  }

  .taste-cta-row {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .taste-cta-row .btn {
    width: 100%;
    justify-content: center;
  }

  .founder-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .purchase-product-spotlight {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .icheck-bullets-row {
    grid-template-columns: 1fr;
  }

  .prefooter-inner {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .prefooter-script {
    white-space: normal;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .reviews-header-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .package-card {
    grid-template-columns: auto 1fr;
    gap: 12px;
  }

  .package-pricing {
    grid-column: 1 / -1;
    text-align: left;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed #e0ebe3;
  }
}