/* ============================================
   LONGE X - UNIFIED STYLES
   Modern, Clean, Mobile-First Design
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Primary Colors - Green Theme */
    --primary: #1a5f4a;
    --primary-dark: #134438;
    --primary-light: #2d8b6a;
    --primary-bg: rgba(26, 95, 74, 0.1);
    
    /* Accent Colors - Orange/Gold */
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --accent-light: #fbbf24;
    
    /* Text Colors */
    --text: #1f2937;
    --text-light: #6b7280;
    --text-muted: #9ca3af;
    
    /* Background Colors */
    --bg: #ffffff;
    --bg-alt: #f9fafb;
    --bg-dark: #111827;
    --bg-card: #ffffff;
    
    /* Status Colors */
    --success: #10b981;
    --success-bg: #d1fae5;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --info: #3b82f6;
    --info-bg: #dbeafe;
    
    /* Border & Shadow */
    --border: #e5e7eb;
    --border-dark: #d1d5db;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 6px 12px -2px rgba(0, 0, 0, 0.1), 0 3px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
}

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

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   HEADER
   ============================================ */
header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition);
}

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

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    gap: 24px;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo span {
    color: var(--accent);
}

/* Navigation */
nav ul {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

nav a {
    font-weight: 500;
    color: var(--text);
    padding: 8px 16px;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    font-size: var(--text-sm);
    white-space: nowrap;
}

nav a:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

nav a.active {
    color: var(--primary);
    background: var(--primary-bg);
    font-weight: 600;
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white !important;
    padding: 10px 20px !important;
    border-radius: var(--radius-full);
    font-weight: 600 !important;
    box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Mobile Menu Button */
.mobile-menu {
    display: none;
    background: none;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 12px;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text);
    transition: all var(--transition-fast);
}

.mobile-menu:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(26, 95, 74, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 95, 74, 0.45);
    color: white;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
    color: white;
}

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

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

.btn-lg {
    padding: 18px 36px;
    font-size: var(--text-lg);
}

.btn-sm {
    padding: 10px 20px;
    font-size: var(--text-sm);
}

.btn-block {
    width: 100%;
}

/* ============================================
   BREADCRUMBS
   ============================================ */
.breadcrumbs {
    padding: 16px 0;
    font-size: var(--text-sm);
    color: var(--text-light);
}

.breadcrumbs a {
    color: var(--text-light);
}

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

.breadcrumbs span {
    margin: 0 8px;
}

.breadcrumbs .current {
    color: var(--text);
    font-weight: 500;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 50%, #f0fdfa 100%);
    padding: 60px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26, 95, 74, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text);
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--primary);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-light);
    margin-bottom: 28px;
    line-height: 1.7;
}

.hero-bullets {
    margin-bottom: 28px;
}

.hero-bullets li {
    padding: 10px 0;
    font-size: var(--text-base);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.6;
}

.hero-bullets li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-sm);
    color: var(--text-light);
    background: white;
    padding: 8px 14px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

/* Hero Image / Product Card */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--border);
}

.product-image {
    max-width: 280px;
    margin: 0 auto 20px;
    border-radius: var(--radius);
}

.price-badge {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-size: var(--text-lg);
    font-weight: 700;
    display: inline-block;
}

.price-badge .old-price {
    text-decoration: line-through;
    opacity: 0.7;
    font-size: var(--text-sm);
    font-weight: 400;
    margin-right: 8px;
}

/* ============================================
   SECTIONS
   ============================================ */
section {
    padding: 80px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 48px;
}

.section-header h2 {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   CARDS & BOXES
   ============================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

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

/* Definition Box */
.definition-box {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border-left: 4px solid var(--primary);
    padding: 24px 28px;
    border-radius: var(--radius);
    margin: 24px 0;
}

.definition-box h3 {
    font-size: var(--text-lg);
    color: var(--primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.definition-box p {
    color: var(--text);
    line-height: 1.8;
}

/* Warning Box */
.warning-box {
    background: var(--warning-bg);
    border: 1px solid var(--warning);
    border-left: 4px solid var(--warning);
    padding: 24px 28px;
    border-radius: var(--radius);
    margin: 24px 0;
}

.warning-box h3 {
    font-size: var(--text-lg);
    color: #92400e;
    margin-bottom: 12px;
}

.warning-box p,
.warning-box li {
    color: #92400e;
}

.warning-box ul {
    margin-left: 20px;
    list-style: disc;
}

.warning-box li {
    margin-bottom: 8px;
}

/* Danger Box */
.danger-box {
    background: var(--danger-bg);
    border: 1px solid var(--danger);
    border-left: 4px solid var(--danger);
    padding: 24px 28px;
    border-radius: var(--radius);
    margin: 24px 0;
}

.danger-box h3 {
    font-size: var(--text-lg);
    color: #991b1b;
    margin-bottom: 12px;
}

.danger-box p,
.danger-box li {
    color: #991b1b;
}

.danger-box ul {
    margin-left: 20px;
    list-style: disc;
}

/* Info Box */
.info-box {
    background: var(--info-bg);
    border: 1px solid var(--info);
    border-left: 4px solid var(--info);
    padding: 24px 28px;
    border-radius: var(--radius);
    margin: 24px 0;
}

.info-box h3 {
    font-size: var(--text-lg);
    color: #1e40af;
    margin-bottom: 12px;
}

.info-box p {
    color: #1e40af;
}

/* ============================================
   FEATURES GRID
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 32px 0;
}

.feature-card {
    background: white;
    padding: 28px 24px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: var(--text-sm);
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   BENEFITS LIST
   ============================================ */
.benefits-list {
    display: grid;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.benefit-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.benefit-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--text-xl);
    flex-shrink: 0;
}

.benefit-item h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.benefit-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   INGREDIENTS
   ============================================ */
.ingredients-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.ingredients-table th,
.ingredients-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.ingredients-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ingredients-table tr:hover {
    background: var(--bg-alt);
}

.ingredients-table td:first-child {
    font-weight: 600;
    color: var(--primary-dark);
}

/* Mobile Ingredient Cards */
.ingredients-cards {
    display: none;
    grid-template-columns: 1fr;
    gap: 16px;
    margin: 32px 0;
}

.ingredient-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.ingredient-card-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.ingredient-card-icon {
    font-size: 1.5rem;
}

.ingredient-card-header h4 {
    font-size: var(--text-base);
    font-weight: 600;
}

.ingredient-card-header span {
    font-size: var(--text-sm);
    opacity: 0.9;
}

.ingredient-card-body {
    padding: 16px 20px;
}

.ingredient-card-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.ingredient-card-row:last-child {
    border-bottom: none;
}

.ingredient-card-label {
    font-size: var(--text-sm);
    color: var(--text-light);
    font-weight: 500;
}

.ingredient-card-value {
    font-size: var(--text-base);
    color: var(--text);
}

/* ============================================
   OFFICIAL BENEFITS GRID
   ============================================ */
.official-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 32px 0;
}

.official-benefit {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.official-benefit:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.official-benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg);
    border-radius: var(--radius);
}

.official-benefit h3 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.official-benefit p {
    font-size: var(--text-sm);
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: white;
    padding: 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

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

.testimonial-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.testimonial-author {
    font-weight: 600;
    color: var(--text);
}

.testimonial-meta {
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-top: 4px;
}

.testimonial-rating {
    color: var(--accent);
    font-size: var(--text-sm);
}

.testimonial-text {
    font-style: italic;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.7;
}

.testimonial-verified {
    font-size: var(--text-sm);
    color: var(--success);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============================================
   STATS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.stat-card {
    text-align: center;
    padding: 28px 20px;
    background: var(--primary-bg);
    border-radius: var(--radius);
    border: 1px solid rgba(26, 95, 74, 0.2);
}

.stat-value {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--primary);
    display: block;
    margin-bottom: 8px;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-light);
    line-height: 1.5;
}

/* ============================================
   SAFETY SECTION
   ============================================ */
.safety-content-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 40px;
    align-items: flex-start;
}

.safety-checklist {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 24px 0;
}

.safety-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--success-bg);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    color: var(--text);
}

.safety-item::before {
    content: '✅';
    flex-shrink: 0;
}

.doctor-image-wrapper {
    position: sticky;
    top: 100px;
}

.doctor-image {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.doctor-caption {
    text-align: center;
    margin-top: 12px;
    font-size: var(--text-sm);
    color: var(--text-light);
    line-height: 1.5;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 12px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-question {
    padding: 20px 24px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
    color: var(--text);
    gap: 16px;
}

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

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform var(--transition);
    flex-shrink: 0;
}

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

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item.active .faq-answer {
    padding: 0 24px 24px;
    max-height: 600px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.cta-section h2 {
    font-size: var(--text-3xl);
    margin-bottom: 16px;
}

.cta-section p {
    font-size: var(--text-xl);
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   ORDER FORM
   ============================================ */
.order-form-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 60px 0;
}

.order-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.order-form-header {
    text-align: center;
    color: white;
    margin-bottom: 32px;
}

.order-form-header h2 {
    font-size: var(--text-2xl);
    margin-bottom: 12px;
}

.order-form-header p {
    opacity: 0.9;
}

.order-form {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

/* Phone Input with +52 Prefix */
.phone-input-wrapper {
    display: flex;
    align-items: stretch;
}

.phone-prefix {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 12px;
    background: var(--bg-alt);
    border: 2px solid var(--border);
    border-right: none;
    border-radius: var(--radius) 0 0 var(--radius);
    font-weight: 600;
    color: var(--text);
    font-size: var(--text-base);
    white-space: nowrap;
}

.phone-input-wrapper input[type="tel"] {
    flex: 1;
    border-radius: 0 var(--radius) var(--radius) 0 !important;
    min-width: 0;
}

.phone-input-wrapper input[type="tel"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.phone-prefix + input[type="tel"]:focus ~ .phone-prefix,
.phone-input-wrapper:focus-within .phone-prefix {
    border-color: var(--primary);
}

.form-submit {
    width: 100%;
    margin-top: 8px;
}

.form-privacy {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-top: 16px;
}

/* ============================================
   PRICE CARD
   ============================================ */
.price-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-xl);
    text-align: center;
    border: 2px solid var(--border);
    max-width: 380px;
}

.price-badge-top {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 700;
    display: inline-block;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.price-old {
    display: block;
    font-size: var(--text-2xl);
    color: var(--text-light);
    text-decoration: line-through;
    margin-bottom: 8px;
}

.price-current {
    display: block;
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.price-savings {
    display: block;
    font-size: var(--text-base);
    color: var(--success);
    font-weight: 600;
    margin-bottom: 24px;
}

.price-includes {
    text-align: left;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--bg-alt);
    border-radius: var(--radius);
}

.price-includes h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}

.price-includes li {
    padding: 8px 0;
    font-size: var(--text-sm);
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.price-includes li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--bg-dark);
    color: var(--text-muted);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    line-height: 1.8;
    font-size: var(--text-sm);
}

.footer-column h4 {
    color: white;
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-muted);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: var(--text-sm);
    margin-bottom: 12px;
}

.footer-disclaimer {
    font-size: var(--text-xs);
    opacity: 0.7;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: white;
    border-radius: var(--radius-lg);
    max-width: 480px;
    width: 100%;
    padding: 36px;
    position: relative;
    animation: modalIn 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--bg-alt);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-light);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

.modal h3 {
    font-size: var(--text-xl);
    margin-bottom: 12px;
    color: var(--text);
    padding-right: 40px;
}

.modal > p {
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.7;
}

.modal-dismiss {
    display: block;
    width: 100%;
    padding: 12px;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: var(--text-sm);
    cursor: pointer;
    margin-top: 12px;
    transition: color var(--transition-fast);
}

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

/* ============================================
   RESPONSIVE - TABLET
   ============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .price-card {
        max-width: 100%;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .official-benefits {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .safety-content-grid {
        grid-template-columns: 1fr;
    }
    
    .doctor-image-wrapper {
        position: static;
        max-width: 280px;
        margin: 0 auto 24px;
        order: -1;
    }
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 768px) {
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 16px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border);
        gap: 4px;
    }
    
    nav ul.active {
        display: flex;
    }
    
    nav a {
        display: block;
        padding: 12px 16px;
        width: 100%;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .hero {
        padding: 40px 0 60px;
    }
    
    .hero h1 {
        font-size: var(--text-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: var(--text-2xl);
    }
    
    .features-grid,
    .official-benefits,
    .testimonials-grid,
    .stats-grid,
    .safety-checklist {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-lg {
        padding: 16px 28px;
        font-size: var(--text-base);
        width: 100%;
    }
    
    .ingredients-table {
        display: none;
    }
    
    .ingredients-cards {
        display: grid;
    }
    
    .order-form {
        padding: 24px;
    }
    
    .price-current {
        font-size: var(--text-4xl);
    }
    
    .cta-section h2 {
        font-size: var(--text-2xl);
    }
    
    .cta-section p {
        font-size: var(--text-base);
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.hidden { display: none; }
.visible { display: block; }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* ============================================
   PAGE-SPECIFIC: PRECIO PAGE
   ============================================ */
.hero-precio {
    background: linear-gradient(135deg, #fef3c7 0%, #fffbeb 50%, #fef9c3 100%);
}

.hero-precio::before {
    background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
}

.hero-precio h1 span {
    color: var(--accent-dark);
}

/* Process Steps (Precio page) */
.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin: 48px 0;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-step::after {
    content: '→';
    position: absolute;
    right: -24px;
    top: 20px;
    color: var(--border);
    font-size: 1.5rem;
}

.process-step:last-child::after {
    display: none;
}

.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 12px;
}

.process-step h4 {
    font-size: var(--text-base);
    margin-bottom: 8px;
    color: var(--text);
}

.process-step p {
    font-size: var(--text-sm);
    color: var(--text-light);
}

/* Included Grid */
.included-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.included-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.included-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.included-item h3 {
    font-size: var(--text-base);
    margin-bottom: 8px;
}

.included-item p {
    font-size: var(--text-sm);
    color: var(--text-light);
}

/* Payment Options */
.payment-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 48px 0;
}

.payment-option {
    background: white;
    padding: 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition);
}

.payment-option:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.payment-option-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.payment-option h3 {
    font-size: var(--text-base);
    margin-bottom: 8px;
}

.payment-option p {
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-bottom: 12px;
}

.payment-available {
    color: var(--success);
    font-size: var(--text-sm);
    font-weight: 600;
}

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    background: var(--bg-alt);
    font-weight: 600;
}

.comparison-table .official {
    background: var(--success-bg);
}

.comparison-table .other {
    background: var(--danger-bg);
}

/* Shipping Table */
.shipping-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.shipping-table th,
.shipping-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.shipping-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.shipping-table tr:hover td {
    background: var(--bg-alt);
}

/* Shipping Features */
.shipping-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 48px 0;
}

.shipping-feature {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.shipping-feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.shipping-feature h3 {
    font-size: var(--text-base);
    margin-bottom: 8px;
}

.shipping-feature p {
    font-size: var(--text-sm);
    color: var(--text-light);
}

/* Price Comparison Box */
.price-comparison {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-bottom: 48px;
}

.price-comparison h3 {
    font-size: var(--text-xl);
    margin-bottom: 24px;
    text-align: center;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.comparison-item {
    padding: 24px;
    border-radius: var(--radius);
    text-align: center;
}

.comparison-item.regular {
    background: var(--bg-alt);
}

.comparison-item.promo {
    background: var(--success-bg);
    border: 2px solid var(--success);
}

.comparison-item .label {
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-bottom: 8px;
}

.comparison-item .price {
    font-size: var(--text-3xl);
    font-weight: 800;
}

.comparison-item.regular .price {
    color: var(--text-light);
    text-decoration: line-through;
}

.comparison-item.promo .price {
    color: var(--primary);
}

/* Security Badges */
.form-security {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-sm);
    color: var(--text-light);
}

/* ============================================
   PAGE-SPECIFIC: COMPRAR PAGE
   ============================================ */
.how-to-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin: 48px 0;
}

.how-to-step {
    background: white;
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    text-align: center;
    position: relative;
}

.how-to-step::after {
    content: '→';
    position: absolute;
    right: -24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: var(--primary);
}

.how-to-step:last-child::after {
    display: none;
}

.how-to-step .step-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
}

.how-to-step h3 {
    font-size: var(--text-lg);
    margin-bottom: 12px;
}

.how-to-step p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   RESPONSIVE ADDITIONS
   ============================================ */
@media (max-width: 1024px) {
    .process-steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .process-step::after {
        display: none;
    }
    
    .included-grid,
    .payment-options,
    .shipping-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .how-to-steps {
        grid-template-columns: 1fr;
    }
    
    .how-to-step::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .process-steps,
    .included-grid,
    .payment-options,
    .shipping-features,
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}