/* ========================================
   Baifeng Health - Enhanced Design
   欧美审美优化版 - 2025
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Enhanced Color Palette - Modern & Vibrant */
    --primary-color: #2d5f3f;
    --primary-light: #4a8a5f;
    --primary-dark: #1a3d28;
    --primary-gradient: linear-gradient(135deg, #2d5f3f 0%, #4a8a5f 50%, #6ab187 100%);

    --accent-color: #d4a574;
    --accent-gradient: linear-gradient(135deg, #d4a574 0%, #e8c4a0 100%);

    --cta-color: #ff6b6b;
    --cta-gradient: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);

    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-light: #adb5bd;
    --border-color: #dee2e6;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;

    /* Enhanced Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.2);
    --shadow-cta: 0 4px 15px rgba(255, 107, 107, 0.4);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;

    /* Border Radius - More organic */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

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

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

/* ========================================
   Enhanced Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   Enhanced Header & Navigation
   ======================================== */

.site-header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(45, 95, 63, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow);
}

.navbar {
    padding: 0.75rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* SVG Logo Styling */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    width: 40px;
    height: 40px;
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: rotate(-5deg) scale(1.05);
}

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

.nav-menu a {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.btn-contact {
    background: var(--primary-gradient);
    color: var(--bg-white) !important;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    border: none !important;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.btn-contact::after {
    display: none !important;
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* ========================================
   Enhanced Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

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

.btn-secondary {
    background: var(--bg-white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-cta {
    background: var(--cta-gradient);
    color: var(--bg-white);
    box-shadow: var(--shadow-cta);
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
    color: var(--bg-white);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-gradient);
    color: var(--bg-white);
    border-color: transparent;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

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

/* ========================================
   Enhanced Hero Section
   ======================================== */

.hero {
    background:
        linear-gradient(135deg, rgba(45, 95, 63, 0.9) 0%, rgba(74, 138, 95, 0.85) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%234a8a5f;stop-opacity:0.3"/><stop offset="100%" style="stop-color:%232d5f3f;stop-opacity:0.3"/></linearGradient></defs><path d="M0,200 Q300,100 600,200 T1200,200 L1200,600 L0,600 Z" fill="url(%23grad)"/><circle cx="150" cy="150" r="80" fill="%236ab187" opacity="0.2"/><circle cx="950" cy="400" r="120" fill="%234a8a5f" opacity="0.15"/><path d="M100,50 L120,30 M110,40 L130,50" stroke="%23ffffff" stroke-width="3" opacity="0.3"/><path d="M1050,100 L1070,80 M1060,90 L1080,100" stroke="%23ffffff" stroke-width="3" opacity="0.3"/></svg>') center/cover no-repeat;
    padding: var(--spacing-2xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--bg-white));
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    color: var(--bg-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    line-height: 1.6;
}

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

.hero-disclaimer {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Social Proof Section - NEW!
   ======================================== */

.social-proof {
    background: var(--bg-white);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--border-color);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.stat {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
}

.certifications {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.cert-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.cert-badge:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.cert-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.5rem;
    font-weight: bold;
}

.cert-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ========================================
   Enhanced Trust Badges
   ======================================== */

.trust-badges {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    text-align: center;
}

.badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    transition: var(--transition);
}

.badge:hover {
    transform: translateY(-2px);
}

.badge-icon {
    color: var(--success-color);
    font-size: 1.5rem;
    font-weight: bold;
}

.badge-text {
    font-weight: 600;
    color: var(--text-primary);
}

/* ========================================
   Enhanced Value Propositions
   ======================================== */

.value-props {
    background: var(--bg-white);
    padding: var(--spacing-2xl) 0;
}

.props-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.prop-card {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.prop-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.prop-card:hover::before {
    transform: scaleX(1);
}

.prop-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(45, 95, 63, 0.1);
}

.prop-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
}

.prop-card:hover .prop-icon {
    transform: scale(1.1) rotate(-5deg);
}

.prop-card h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.prop-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.7;
}

/* ========================================
   Section Styles
   ======================================== */

section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: var(--spacing-lg);
    color: var(--primary-dark);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   Enhanced Cards & Components
   ======================================== */

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

.process-step {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border-left: 4px solid transparent;
    transition: var(--transition);
    position: relative;
}

.process-step::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-gradient);
    transform: scaleY(0);
    transition: var(--transition);
}

.process-step:hover::before {
    transform: scaleY(1);
}

.process-step:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

/* ========================================
   Testimonials
   ======================================== */

.testimonials {
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f5e9 100%);
    padding: var(--spacing-2xl) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 5rem;
    color: rgba(45, 95, 63, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

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

.stars {
    color: var(--accent-color);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
    background: linear-gradient(135deg, #1a3d28 0%, #2d5f3f 100%);
    color: var(--bg-light);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

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

.footer-col h4 {
    color: var(--bg-light);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    font-weight: 600;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--bg-light);
    transform: translateX(3px);
}

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

.fda-disclaimer {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0;
    text-align: center;
}

/* ========================================
   Ingredient Page Styles
   ======================================== */

.ingredient-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: var(--transition);
}

.ingredient-card:hover {
    box-shadow: var(--shadow-lg);
}

.ingredient-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.ingredient-header h3 {
    color: var(--primary-dark);
    margin: 0;
    font-size: 1.25rem;
}

.ingredient-tag {
    background: var(--primary-gradient);
    color: var(--bg-white);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
}

.ingredient-content {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-md);
}

@media (max-width: 900px) {
    .ingredient-content {
        grid-template-columns: 1fr;
    }
}

.ingredient-main {
    padding: var(--spacing-md);
}

.ingredient-main h4 {
    color: var(--primary-dark);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.ingredient-main h4:first-child {
    margin-top: 0;
}

.ingredient-main p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.ingredient-main ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.ingredient-main ul li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.ingredient-sidebar {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-left: 1px solid var(--border-color);
}

@media (max-width: 900px) {
    .ingredient-sidebar {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
}

.ingredient-facts {
    background: var(--bg-white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.ingredient-facts h5 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.ingredient-facts ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ingredient-facts ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.ingredient-facts ul li:last-child {
    border-bottom: none;
}

.ingredient-note {
    background: #fff3cd;
    border-left: 4px solid var(--warning-color);
    padding: var(--spacing-sm);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* ========================================
   Supplement Facts Panel
   ======================================== */

.supplement-facts-panel {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.supplement-facts-header {
    background: var(--primary-gradient);
    color: var(--bg-white);
    padding: var(--spacing-md);
    text-align: center;
}

.supplement-facts-header h3 {
    color: var(--bg-white);
    margin: 0 0 var(--spacing-xs);
    font-size: 1.5rem;
}

.supplement-facts-header p {
    margin: 0;
    font-size: 0.9375rem;
    opacity: 0.9;
}

.supplement-facts-table {
    width: 100%;
    border-collapse: collapse;
}

.supplement-facts-table th,
.supplement-facts-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.supplement-facts-table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-primary);
}

.supplement-facts-table td {
    color: var(--text-secondary);
}

.supplement-facts-table tr:last-child td {
    border-bottom: none;
}

.supplement-facts-footer {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.supplement-facts-footer p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.supplement-facts-footer p:last-child {
    margin-bottom: 0;
}

/* ========================================
   FAQ Page Styles
   ======================================== */

.faq-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: var(--spacing-xl);
}

.faq-category-title {
    color: var(--primary-dark);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
}

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

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

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

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer-content {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-answer-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

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

.faq-answer-content ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.faq-answer-content ul li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.faq-cta {
    text-align: center;
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-top: var(--spacing-xl);
}

.faq-cta h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.faq-cta p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Legal Disclaimer Page Styles
   ======================================== */

.legal-content {
    max-width: 900px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.legal-section:last-child {
    border-bottom: none;
}

.legal-section h2 {
    color: var(--primary-dark);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.legal-section h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.legal-section h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.legal-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.legal-section ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.legal-section ul li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.highlight-box {
    background: #fff3cd;
    border-left: 4px solid var(--warning-color);
    padding: var(--spacing-md);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: var(--spacing-md) 0;
}

.highlight-box p {
    color: var(--text-primary);
    margin-bottom: 0;
}

.disclaimer-warning {
    background: #f8d7da;
    border-left: 4px solid #dc3545;
    padding: var(--spacing-md);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: var(--spacing-md) 0;
}

.disclaimer-warning p {
    color: #721c24;
    margin-bottom: 0;
}

/* ========================================
   Animations
   ======================================== */

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.floating {
    animation: float 3s ease-in-out infinite;
}

/* Scroll animations */
.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: var(--transition-slow);
}

/* Only apply animation if JS is enabled and IntersectionObserver is supported */
@media (prefers-reduced-motion: no-preference) {
    .fade-in.js-enabled {
        opacity: 0;
        transform: translateY(30px);
    }

    .fade-in.js-enabled.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        border-top: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-sm);
        min-width: 200px;
        z-index: 1001;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 0.875rem 1rem;
        font-size: 1rem;
        border-radius: var(--radius-sm);
        text-align: center;
    }

    .nav-menu a:hover {
        background: var(--bg-light);
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-menu .btn-contact {
        margin-top: var(--spacing-sm);
        text-align: center;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: var(--spacing-xl) 0;
        min-height: 500px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

/* ========================================
   Accessibility
   ======================================== */

*:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   Utility Classes
   ======================================== */

.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.elevated {
    box-shadow: var(--shadow-lg);
}

.rounded-organic {
    border-radius: var(--radius-xl);
}

/* ========================================
   Contact Section
   ======================================== */

.contact-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.contact-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.contact-method {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.contact-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60px;
}

.contact-icon svg {
    width: 52px;
    height: 52px;
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.contact-method:hover .contact-icon svg {
    transform: scale(1.15);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
}

.contact-method h3 {
    font-size: 1.25rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-method p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.contact-disclaimer {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
}

/* ========================================
   Modal Styles
   ======================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-sm);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    opacity: 1;
}

.modal-content {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-content h3 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.modal .close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal .close:hover {
    color: var(--text-primary);
}

/* ========================================
   Form Styles
   ======================================== */

.form-disclaimer {
    background: #fff3cd;
    border-left: 4px solid var(--warning-color);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 95, 63, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-full {
    width: 100%;
}

.form-message {
    text-align: center;
    padding: var(--spacing-md);
}

.form-message.success {
    color: var(--success-color);
}

.form-message.error {
    color: #dc3545;
}

.form-reminder {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: var(--spacing-sm);
}

/* ========================================
   Responsive Contact & Modal
   ======================================== */

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-method {
        padding: var(--spacing-md);
    }

    .modal-content {
        padding: var(--spacing-md);
        margin: var(--spacing-sm);
    }
}

/* ========================================
   Floating Menu - WhatsApp & Contact
   ======================================== */

.floating-menu {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
}

.floating-menu .menu-item {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
    pointer-events: auto;
    z-index: 1001;
}

.floating-menu .menu-item:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* Toggle Button */
.floating-menu .btn-toggle {
    background: #2c3e50;
    color: white;
    font-size: 20px;
    font-weight: bold;
    transform: rotate(0deg);
    transition: all 0.3s ease;
}

.floating-menu .btn-toggle:hover {
    background: #34495e;
    transform: scale(1.1) rotate(0deg);
}

.floating-menu .btn-toggle.collapsed {
    transform: rotate(45deg);
}

.floating-menu .btn-toggle.collapsed:hover {
    transform: scale(1.1) rotate(45deg);
}

/* WhatsApp Button */
.floating-menu .btn-whatsapp {
    background: #25d366;
    color: white;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.floating-menu .btn-whatsapp:hover {
    background: #128c7e;
}

.floating-menu .whatsapp-icon {
    width: 28px;
    height: 28px;
    fill: currentColor;
    pointer-events: none;
}

/* Email Button */
.floating-menu .btn-email {
    background: #3498db;
    color: white;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.floating-menu .btn-email:hover {
    background: #2980b9;
}

/* Form/Note Button */
.floating-menu .btn-note {
    background: #e74c3c;
    color: white;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.floating-menu .btn-note:hover {
    background: #c0392b;
}

/* Collapsed State */
.floating-menu.collapsed .btn-whatsapp {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition-delay: 0s;
}

.floating-menu.collapsed .btn-email {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition-delay: 0s;
}

.floating-menu.collapsed .btn-note {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition-delay: 0s;
}

/* Tooltip */
.floating-menu .menu-item::before {
    content: attr(title);
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-right: 12px;
    pointer-events: none;
}

.floating-menu .menu-item::after {
    content: '';
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-right: 6px;
    pointer-events: none;
}

.floating-menu .menu-item:hover::before,
.floating-menu .menu-item:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .floating-menu {
        right: 15px;
        bottom: 80px;
        top: auto;
        transform: none;
    }

    .floating-menu .menu-item {
        width: 48px;
        height: 48px;
        font-size: 20px;
        margin-bottom: 10px;
    }

    .floating-menu .whatsapp-icon {
        width: 24px;
        height: 24px;
    }

    /* Hide tooltip on mobile */
    .floating-menu .menu-item::before,
    .floating-menu .menu-item::after {
        display: none;
    }
}