/* ============================================
   TAPEE TEA USA - COMPREHENSIVE STYLESHEET
   Thai-Inspired Professional Design
   ============================================ */

/* ============================================
   CSS VARIABLES & ROOT STYLES
   ============================================ */
:root {
    /* Thai-Inspired Color Palette */
    --primary-color: #C7901B;        /* Thai Gold */
    --primary-dark: #9A6F15;         /* Darker Gold */
    --primary-light: #E5B44D;        /* Light Gold */
    
    --secondary-color: #2C5F2D;      /* Thai Temple Green */
    --secondary-dark: #1A3A1B;       /* Dark Green */
    --secondary-light: #4A8A4C;      /* Light Green */
    
    --accent-color: #8B2635;         /* Thai Red */
    --accent-light: #B44F5D;         /* Light Red */
    
    --earth-brown: #6B4423;          /* Earth Brown */
    --cream: #F5EFE6;                /* Cream */
    
    /* Neutral Colors */
    --text-dark: #1F1F1F;
    --text-medium: #4A4A4A;
    --text-light: #6B6B6B;
    --bg-white: #FFFFFF;
    --bg-light: #F9F7F4;
    --bg-gray: #F0EDE8;
    --border-color: #E0D9CF;
    
    /* Status Colors */
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #E53935;
    --info-color: #2196F3;
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.20);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-medium);
}

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

a:hover {
    color: var(--primary-dark);
}

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

ul, ol {
    list-style-position: inside;
    margin-bottom: 1rem;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section:nth-child(even) {
    background-color: var(--bg-light);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
}

.nav-link {
    padding: 0.5rem 0;
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-normal);
}

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

.nav-link.cta-nav {
    background: var(--primary-color);
    color: var(--bg-white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
}

.nav-link.cta-nav::after {
    display: none;
}

.nav-link.cta-nav:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 50%, var(--secondary-color) 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--bg-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--bg-light);
    margin-bottom: var(--spacing-xl);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.trust-signals {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-lg);
    font-weight: 500;
    color: var(--text-dark);
    box-shadow: var(--shadow-sm);
}

.trust-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.hero-note {
    color: var(--bg-light);
    font-size: 0.9rem;
    margin-top: var(--spacing-md);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--bg-white);
    font-size: 1.25rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--bg-white);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-footer {
    background: var(--secondary-color);
    color: var(--bg-white);
}

.btn-footer:hover {
    background: var(--secondary-dark);
    color: var(--bg-white);
}

/* ============================================
   TABLE OF CONTENTS
   ============================================ */
.toc-section {
    background: var(--bg-white);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--border-color);
}

.toc-wrapper {
    text-align: center;
}

.toc-title {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
}

.toc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.toc-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: var(--transition-normal);
}

.toc-item:hover {
    background: var(--bg-white);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.toc-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.toc-item span {
    font-weight: 600;
    color: var(--text-dark);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* ============================================
   CONTENT STYLES
   ============================================ */
.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.lead-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: var(--spacing-lg);
}

.text-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.highlight-box {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.highlight-box i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.highlight-box h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.benefit-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.benefit-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: var(--radius-lg);
    color: var(--bg-white);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.benefit-title {
    font-size: 1.375rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.benefit-description {
    color: var(--text-medium);
    line-height: 1.8;
}

.cta-box {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: var(--radius-xl);
    margin-top: var(--spacing-xl);
    color: var(--bg-white);
}

.cta-box h3 {
    color: var(--bg-white);
    margin-bottom: 0.5rem;
}

.cta-box p {
    color: var(--bg-light);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   INGREDIENTS SECTION
   ============================================ */
.ingredients-content {
    max-width: 900px;
    margin: 0 auto;
}

.ingredient-intro {
    margin-bottom: var(--spacing-xl);
}

.ingredients-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.ingredient-item {
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--secondary-color);
}

.ingredient-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.ingredient-icon-wrapper {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-light);
    border-radius: var(--radius-md);
    color: var(--bg-white);
    font-size: 1.75rem;
    flex-shrink: 0;
}

.ingredient-name {
    color: var(--secondary-dark);
    margin: 0;
}

.ingredient-latin {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

.ingredient-desc {
    color: var(--text-medium);
    line-height: 1.8;
}

.quality-callout {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary-light);
}

.callout-icon {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.callout-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.callout-content h3 {
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.callout-content ul {
    list-style: none;
    padding-left: 0;
}

.callout-content ul li {
    padding-left: 2rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.callout-content ul li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--success-color);
}

.callout-content .note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--warning-color);
    font-style: italic;
}

/* ============================================
   HOW TO USE SECTION
   ============================================ */
.usage-content {
    max-width: 900px;
    margin: 0 auto;
}

.content-subtitle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-lg);
}

.content-subtitle i {
    color: var(--primary-color);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.step-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition-normal);
}

.step-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.step-number {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.step-content h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-medium);
    font-size: 0.95rem;
}

.preparation-steps,
.usage-recommendations,
.tips-section {
    margin-bottom: var(--spacing-xl);
}

.recommendation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.rec-item {
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.rec-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.rec-item h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.rec-item p {
    color: var(--text-medium);
    font-size: 0.95rem;
}

.tips-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tip-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.tip-item i {
    color: var(--success-color);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tip-item p {
    margin: 0;
    color: var(--text-medium);
}

/* ============================================
   COMPARISON SECTION
   ============================================ */
.comparison-content {
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-block {
    margin-bottom: var(--spacing-xxl);
}

.comparison-heading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-lg);
}

.comparison-heading i {
    color: var(--primary-color);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.comparison-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.comparison-card.natural {
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    border: 2px solid var(--secondary-color);
}

.comparison-card.synthetic {
    background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
    border: 2px solid var(--warning-color);
}

.card-badge {
    position: absolute;
    top: -12px;
    left: 20px;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.comparison-card.synthetic .card-badge {
    background: var(--warning-color);
}

.comparison-card h4 {
    color: var(--text-dark);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.comparison-list {
    list-style: none;
    padding: 0;
}

.comparison-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
    padding-left: 0;
}

.comparison-list i {
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.feature-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    color: var(--primary-dark);
    font-size: 1.75rem;
    flex-shrink: 0;
}

.feature-text h4 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.feature-text p {
    color: var(--text-medium);
    margin: 0;
}

.authenticity-content {
    max-width: 800px;
    margin: 0 auto;
}

.authenticity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.auth-card {
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition-normal);
}

.auth-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.auth-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.auth-card h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.auth-card p {
    color: var(--text-medium);
    font-size: 0.95rem;
    margin: 0;
}

/* ============================================
   SAFETY SECTION
   ============================================ */
.safety-content {
    max-width: 900px;
    margin: 0 auto;
}

.safety-section-block {
    margin-bottom: var(--spacing-xxl);
}

.safety-heading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-lg);
}

.safety-heading i {
    color: var(--primary-color);
}

.safety-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.safety-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.safety-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--warning-color);
    border-radius: var(--radius-md);
    color: var(--bg-white);
    font-size: 1.75rem;
    flex-shrink: 0;
}

.safety-text-content h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.safety-text-content p {
    color: var(--text-medium);
    margin: 0;
}

.usage-profiles {
    margin-top: var(--spacing-lg);
}

.profile-card {
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.profile-card i {
    font-size: 2.5rem;
    color: var(--success-color);
    margin-bottom: var(--spacing-md);
}

.profile-card h4 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.profile-card ul {
    list-style: none;
    padding: 0;
}

.profile-card ul li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.profile-card ul li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--success-color);
}

.consultation-content {
    margin-top: var(--spacing-lg);
}

.important-note {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-left: 4px solid var(--info-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.important-note i {
    font-size: 1.5rem;
    color: var(--info-color);
    flex-shrink: 0;
}

.consult-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.consult-item {
    padding: var(--spacing-md);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.consult-item i {
    font-size: 2rem;
    color: var(--warning-color);
    margin-bottom: var(--spacing-sm);
}

.consult-item h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.consult-item p {
    color: var(--text-medium);
    font-size: 0.95rem;
    margin: 0;
}

.safety-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.safety-feature {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.feature-number {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-color);
    color: var(--bg-white);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.feature-content h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--text-medium);
    margin: 0;
}

/* ============================================
   REVIEWS SECTION
   ============================================ */
.reviews-content {
    max-width: 900px;
    margin: 0 auto;
}

.reviews-intro {
    margin-bottom: var(--spacing-xl);
}

.reviews-themes {
    display: grid;
    gap: var(--spacing-lg);
}

.theme-card {
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.theme-card:hover {
    box-shadow: var(--shadow-md);
}

.theme-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    color: var(--primary-dark);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.theme-card h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.theme-card p {
    color: var(--text-medium);
    line-height: 1.8;
}

.theme-quote {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-md);
    font-style: italic;
    position: relative;
}

.theme-quote i {
    color: var(--primary-color);
    opacity: 0.3;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.theme-quote p {
    margin: 0;
    color: var(--text-dark);
}

.reviews-note {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 2px solid var(--info-color);
    margin-top: var(--spacing-xl);
}

.note-icon i {
    font-size: 2rem;
    color: var(--info-color);
}

.note-content h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.note-content p {
    color: var(--text-medium);
    margin: 0;
}

.reviews-cta {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-color));
    border-radius: var(--radius-xl);
    margin-top: var(--spacing-xl);
    color: var(--bg-white);
}

.reviews-cta h3 {
    color: var(--bg-white);
    margin-bottom: 0.5rem;
}

.reviews-cta p {
    color: var(--bg-light);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   WHERE TO BUY SECTION
   ============================================ */
.buy-content {
    max-width: 900px;
    margin: 0 auto;
}

.warning-box {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: #FFF3CD;
    border: 2px solid var(--warning-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.warning-icon i {
    font-size: 2.5rem;
    color: var(--warning-color);
}

.warning-content h3 {
    color: #856404;
    margin-bottom: 0.5rem;
}

.warning-content p {
    color: #856404;
    margin: 0;
}

.source-matters {
    margin-bottom: var(--spacing-xxl);
}

.matters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.matter-card {
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.matter-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.matter-card h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.matter-card p {
    color: var(--text-medium);
    font-size: 0.95rem;
    margin: 0;
}

.trusted-source {
    margin-bottom: var(--spacing-xxl);
}

.tranquil-siam-section {
    margin-top: var(--spacing-lg);
}

.tranquil-intro {
    margin-bottom: var(--spacing-lg);
}

.tranquil-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.tranquil-feature {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.tranquil-feature .feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-light);
    border-radius: var(--radius-md);
    color: var(--bg-white);
    font-size: 1.75rem;
    flex-shrink: 0;
}

.tranquil-feature .feature-content h4 {
    color: var(--secondary-dark);
    margin-bottom: 0.5rem;
}

.tranquil-feature .feature-content p {
    color: var(--text-medium);
    margin: 0;
}

.tranquil-cta-box {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-color));
    border-radius: var(--radius-xl);
    text-align: center;
}

.tranquil-cta-box h3 {
    color: var(--bg-white);
    margin-bottom: 0.5rem;
}

.tranquil-cta-box p {
    color: var(--bg-light);
    margin-bottom: var(--spacing-md);
}

.cta-benefits {
    font-size: 0.95rem;
    color: var(--bg-light);
    margin-top: var(--spacing-md);
}

.what-to-look-for {
    margin-bottom: var(--spacing-xxl);
}

.checklist {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.checklist-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.checklist-item i {
    color: var(--success-color);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.checklist-content h4 {
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.checklist-content p {
    color: var(--text-medium);
    font-size: 0.95rem;
    margin: 0;
}

.warning-signs {
    margin-bottom: var(--spacing-xl);
}

.red-flags-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.red-flag {
    display: flex;
    gap: 0.75rem;
    padding: var(--spacing-md);
    background: #FFEBEE;
    border: 1px solid var(--error-color);
    border-radius: var(--radius-md);
}

.red-flag i {
    color: var(--error-color);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.red-flag p {
    color: #C62828;
    font-size: 0.95rem;
    margin: 0;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-content {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-md);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border: none;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    color: var(--primary-dark);
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.question-text {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-medium);
    line-height: 1.8;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-item.active .faq-answer {
    max-height: 2000px;
}

.faq-item.active .faq-icon {
    background: var(--primary-color);
    color: var(--bg-white);
    transform: rotate(45deg);
}

/* ============================================
   CONCLUSION SECTION
   ============================================ */
.section-conclusion {
    background: var(--bg-light);
}

.conclusion-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.conclusion-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
}

.conclusion-text {
    margin-bottom: var(--spacing-xl);
}

.conclusion-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.highlight-item {
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.highlight-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.highlight-item h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.highlight-item p {
    color: var(--text-medium);
    font-size: 0.95rem;
    margin: 0;
}

.final-cta {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: var(--radius-xl);
    color: var(--bg-white);
}

.final-cta h3 {
    color: var(--bg-white);
    margin-bottom: 0.5rem;
}

.cta-text {
    color: var(--bg-light);
    margin-bottom: var(--spacing-lg);
}

.cta-benefits {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.cta-benefits .benefit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--bg-light);
}

.disclaimer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 0.85rem;
    color: var(--bg-light);
    font-style: italic;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--text-dark);
    color: var(--bg-light);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.footer-brand i {
    color: var(--secondary-light);
}

.footer-desc {
    color: var(--bg-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-trust {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-light);
    font-size: 0.9rem;
}

.footer-heading {
    color: var(--bg-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--bg-light);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-shop-text {
    color: var(--bg-light);
    margin-bottom: var(--spacing-md);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-disclaimer {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.footer-disclaimer p {
    color: var(--bg-light);
    font-size: 0.85rem;
    margin: 0;
}

.footer-copyright {
    text-align: center;
    color: var(--bg-light);
    font-size: 0.9rem;
}

.footer-copyright p {
    margin-bottom: 0.25rem;
}

.footer-note {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

.scroll-top-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   RESPONSIVE DESIGN - TABLET
   ============================================ */
@media (max-width: 992px) {
    :root {
        --spacing-xl: 2.5rem;
        --spacing-xxl: 3rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.375rem; }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--bg-white);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg);
        transition: var(--transition-normal);
        gap: var(--spacing-sm);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        min-height: 80vh;
    }
    
    .toc-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .benefits-grid,
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE
   ============================================ */
@media (max-width: 576px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
    
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .trust-signals {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .trust-item {
        width: 100%;
        justify-content: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .toc-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid,
    .recommendation-grid,
    .matters-grid,
    .authenticity-grid,
    .consult-grid,
    .red-flags-grid {
        grid-template-columns: 1fr;
    }
    
    .ingredient-header {
        flex-direction: column;
        text-align: center;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item,
    .safety-item,
    .tranquil-feature {
        flex-direction: column;
        text-align: center;
    }
    
    .highlight-box {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-benefits {
        flex-direction: column;
        align-items: center;
    }
    
    .scroll-top-btn {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .navbar,
    .hero,
    .toc-section,
    .scroll-top-btn,
    .btn {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    body {
        font-size: 12pt;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
/* Focus styles for keyboard navigation */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: 1rem;
    background: var(--primary-color);
    color: var(--bg-white);
    text-decoration: none;
}

.skip-to-main:focus {
    left: 50%;
    transform: translateX(-50%);
    top: 1rem;
}

/* Reduced motion for users who prefer it */
@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;
    }
}