/**
 * NANODENT Landing Page Styles
 * Estilos para la landing de ventas
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Colors */
    --color-primary: #0891b2;
    --color-primary-dark: #0e7490;
    --color-primary-light: #22d3ee;
    --color-secondary: #10b981;
    --color-secondary-dark: #059669;
    --color-accent: #f59e0b;
    --color-danger: #dc2626;
    --color-danger-light: #fecaca;

    /* WhatsApp */
    --color-whatsapp: #25d366;
    --color-whatsapp-dark: #128c7e;

    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
}

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

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   Container
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* ============================================
   Section Base
   ============================================ */
section {
    padding: var(--spacing-12) 0;
}

.section-tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    background: rgba(8, 145, 178, 0.1);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-4);
    text-align: center;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-8);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 50%, #f0f9ff 100%);
    padding: var(--spacing-8) 0 var(--spacing-12);
    text-align: center;
}

.offer-badge-hero {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background: var(--color-danger);
    color: var(--color-white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-6);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.badge-icon {
    font-size: var(--font-size-lg);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-4);
    line-height: 1.2;
}

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

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-6);
}

.hero-subtitle strong {
    color: var(--color-primary-dark);
}

/* Hero Image - Responsive (INCREASED SIZES) */
.hero-image {
    width: 100%;
    max-width: 380px;
    margin: 0 auto var(--spacing-6);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    object-fit: contain;
}

/* Hero Video - Responsive */
.hero-video {
    width: 100%;
    max-width: 380px;
    margin: 0 auto var(--spacing-6);
}

.hero-video video {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    object-fit: cover;
    background: var(--color-gray-100);
}

.video-caption {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-2);
    text-align: center;
}

/* Tablet+ hero images */
@media (min-width: 640px) {
    .hero-image {
        max-width: 480px;
    }
    .hero-video {
        max-width: 560px;
    }
}

/* Desktop hero images */
@media (min-width: 1024px) {
    .hero-image {
        max-width: 550px;
    }
    .hero-video {
        max-width: 700px;
    }
}

/* Pricing */
.hero-pricing {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
}

.price-anchor {
    font-size: var(--font-size-2xl);
    color: var(--color-gray-400);
    text-decoration: line-through;
}

.price-current {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--color-primary-dark);
}

.price-badge {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

/* ============================================
   FLIP COUNTDOWN TIMER
   ============================================ */
.countdown-container {
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.countdown-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-3);
    font-weight: 500;
}

.countdown-label-light {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-3);
    font-weight: 500;
}

.flip-countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-1);
}

.flip-card {
    position: relative;
}

.flip-card-inner {
    position: relative;
    width: 48px;
    height: 64px;
    background: linear-gradient(180deg, var(--color-gray-800) 0%, var(--color-gray-900) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 4px 6px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    overflow: hidden;
    perspective: 200px;
}

.flip-card-inner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.flip-card-front,
.flip-card-back {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-white);
    font-family: 'Inter', monospace;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.flip-card-back {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    backface-visibility: hidden;
    transform: rotateX(180deg);
}

.flip-card-inner.flipping {
    animation: flipCard 0.3s ease-in-out;
}

@keyframes flipCard {
    0% {
        transform: rotateX(0deg);
    }
    50% {
        transform: rotateX(-10deg);
    }
    100% {
        transform: rotateX(0deg);
    }
}

.flip-card-label {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.flip-separator {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-gray-800);
    margin: 0 var(--spacing-1);
    animation: blink-separator 1s infinite;
}

@keyframes blink-separator {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Light variant for dark backgrounds */
.flip-countdown--light .flip-card-inner {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
    box-shadow:
        0 4px 6px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.flip-countdown--light .flip-card-inner::before {
    background: rgba(0, 0, 0, 0.2);
}

.flip-countdown--light .flip-separator {
    color: var(--color-white);
}

.flip-countdown--light .flip-card-label {
    color: rgba(255, 255, 255, 0.7);
}

.final-countdown {
    margin-bottom: var(--spacing-6);
}

/* Legacy urgency items (keep for compatibility) */
.urgency-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.urgency-icon {
    font-size: var(--font-size-lg);
}

.countdown-timer {
    color: var(--color-danger);
    font-weight: 700;
}

.countdown-urgent {
    animation: blink 0.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.stock-count {
    color: var(--color-danger);
}

/* Viewers */
.viewers-container {
    margin-bottom: var(--spacing-6);
}

.viewers-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background: var(--color-gray-100);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.viewers-dot {
    width: 8px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 50%;
    animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.viewers-count {
    font-weight: 700;
    color: var(--color-gray-900);
}

/* Hero CTAs */
.hero-ctas {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    max-width: 400px;
    margin: 0 auto var(--spacing-4);
}

.hero-schedule {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ============================================
   CTA BUTTONS
   ============================================ */
.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    text-align: center;
}

.cta-btn--large {
    padding: var(--spacing-5) var(--spacing-8);
    font-size: var(--font-size-lg);
}

.cta-btn--whatsapp {
    background: var(--color-whatsapp);
    color: var(--color-white);
}

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

.cta-btn--phone {
    background: var(--color-gray-100);
    color: var(--color-gray-800);
    border: 2px solid var(--color-gray-200);
}

.cta-btn--phone:hover {
    background: var(--color-gray-200);
    transform: translateY(-2px);
}

.cta-icon {
    width: 24px;
    height: 24px;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem-section {
    background: var(--color-gray-50);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
}

.problem-card {
    background: var(--color-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-100);
}

.problem-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-3);
}

.problem-image {
    width: 100%;
    margin-bottom: var(--spacing-4);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.problem-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    transition: transform 0.3s ease;
}

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

.problem-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
}

.problem-card p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ============================================
   SOLUTION SECTION
   ============================================ */
.solution-section {
    text-align: center;
}

.solution-highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-8);
}

/* Expanded solution highlight layout */
.solution-highlight--expanded {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    text-align: left;
    padding: var(--spacing-8);
}

@media (min-width: 768px) {
    .solution-highlight--expanded {
        flex-direction: row;
        align-items: center;
    }
}

.solution-visual {
    flex-shrink: 0;
    text-align: center;
}

.solution-content {
    flex: 1;
}

.solution-lead {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-4);
    opacity: 0.95;
}

/* Hydroxyapatite facts */
.hydroxyapatite-facts {
    display: grid;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.fact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
}

.fact-icon {
    font-size: var(--font-size-xl);
    line-height: 1;
}

.fact-text strong {
    display: block;
    font-size: var(--font-size-sm);
    margin-bottom: 2px;
}

.fact-text span {
    font-size: var(--font-size-xs);
    opacity: 0.85;
}

.highlight-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
}

.solution-highlight p {
    font-size: var(--font-size-base);
    opacity: 0.9;
}

.solution-molecule {
    width: 100%;
    max-width: 150px;
    height: auto;
    margin: var(--spacing-4) auto 0;
    border-radius: var(--radius-lg);
}

/* Larger molecule image */
.solution-molecule--large {
    max-width: 200px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .solution-molecule {
        max-width: 180px;
    }
    .solution-molecule--large {
        max-width: 280px;
    }
}

@media (min-width: 1024px) {
    .solution-molecule {
        max-width: 220px;
    }
    .solution-molecule--large {
        max-width: 350px;
    }
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2);
}

.benefit-card {
    background: var(--color-gray-50);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    text-align: center;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
}

.benefit-icon svg {
    width: 24px;
    height: 24px;
}

.benefit-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
}

.benefit-card p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ============================================
   SCIENCE SECTION
   ============================================ */
.science-section {
    background: var(--color-gray-900);
    color: var(--color-white);
    text-align: center;
}

.science-section .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-primary-light);
}

.science-section .section-title {
    color: var(--color-white);
}

.science-quote {
    max-width: 700px;
    margin: 0 auto var(--spacing-8);
}

.science-quote blockquote {
    font-size: var(--font-size-xl);
    font-style: italic;
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-4);
    line-height: 1.6;
}

.science-quote blockquote::before {
    content: '"';
    font-size: var(--font-size-5xl);
    color: var(--color-primary);
    line-height: 0;
    vertical-align: -0.4em;
}

.science-quote cite {
    display: block;
    font-style: normal;
}

.science-quote cite strong {
    display: block;
    font-size: var(--font-size-base);
    color: var(--color-white);
    margin-bottom: var(--spacing-1);
}

.science-quote cite span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.science-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
    flex-wrap: wrap;
}

.science-badge {
    text-align: center;
}

.badge-value {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary-light);
}

.badge-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Science Comparison Image */
.science-comparison {
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-gray-700);
}

.science-comparison img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: var(--radius-xl);
    margin: 0 auto var(--spacing-3);
    display: block;
}

@media (min-width: 640px) {
    .science-comparison img {
        max-width: 600px;
    }
}

@media (min-width: 1024px) {
    .science-comparison img {
        max-width: 800px;
    }
}

.comparison-caption {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    font-style: italic;
}

/* Doctor/Expert Image */
.expert-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-primary-light);
    margin: 0 auto var(--spacing-4);
    box-shadow: 0 4px 20px rgba(8, 145, 178, 0.3);
}

@media (min-width: 640px) {
    .expert-image {
        width: 150px;
        height: 150px;
    }
}

@media (min-width: 1024px) {
    .expert-image {
        width: 180px;
        height: 180px;
    }
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
    text-align: center;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2);
}

.step-card {
    position: relative;
    background: var(--color-white);
    padding: var(--spacing-8) var(--spacing-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
}

.step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.step-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.step-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
}

.step-card p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.step-image {
    width: 100%;
    max-width: 100px;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    margin: 0 auto var(--spacing-4);
    border-radius: var(--radius-lg);
}

@media (min-width: 640px) {
    .step-image {
        max-width: 120px;
    }
}

@media (min-width: 1024px) {
    .step-image {
        max-width: 150px;
    }
}

/* Process Diagram */
.process-diagram {
    margin-top: var(--spacing-10);
    padding: var(--spacing-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
}

.process-diagram img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: 0 auto var(--spacing-3);
    display: block;
}

@media (min-width: 640px) {
    .process-diagram {
        padding: var(--spacing-6);
    }
    .process-diagram img {
        max-width: 700px;
    }
}

@media (min-width: 1024px) {
    .process-diagram img {
        max-width: 900px;
    }
}

.diagram-caption {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    font-style: italic;
    text-align: center;
}

/* ============================================
   OFFERS SECTION
   ============================================ */
.offers-section {
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    text-align: center;
}

.offers-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.offer-card {
    background: var(--color-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--color-gray-200);
    position: relative;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.offer-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.offer-card--highlighted {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, rgba(8, 145, 178, 0.05) 0%, var(--color-white) 100%);
}

.offer-card--selected {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.offer-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    white-space: nowrap;
}

.offer-image {
    width: 100%;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
    padding: var(--spacing-3);
    background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 100%);
    border-radius: var(--radius-lg);
}

.offer-image img {
    width: auto;
    max-width: 100%;
    max-height: 100%;
    height: auto;
    object-fit: contain;
    transition: transform var(--transition-normal);
}

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

@media (min-width: 640px) {
    .offer-image {
        height: 220px;
    }
}

@media (min-width: 1024px) {
    .offer-image {
        height: 260px;
    }
}

.offer-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
}

.offer-desc {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.offer-units {
    margin-bottom: var(--spacing-4);
}

.units-total {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
}

.offer-pricing {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-2);
}

.offer-pricing .price-anchor {
    font-size: var(--font-size-lg);
}

.offer-pricing .price-current {
    font-size: var(--font-size-3xl);
}

.offer-per-unit {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-3);
}

.offer-shipping {
    display: inline-block;
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* Spacer para mantener altura consistente cuando no hay shipping */
.offer-shipping-spacer {
    min-height: 24px;
    margin-bottom: var(--spacing-2);
}

.offer-savings {
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.offer-cta {
    width: 100%;
    padding: var(--spacing-4);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    margin-top: auto; /* Empuja el botón al fondo de la tarjeta */
}

.offer-cta:hover {
    background: var(--color-primary-dark);
}

.offer-card--highlighted .offer-cta {
    background: var(--color-whatsapp);
}

.offer-card--highlighted .offer-cta:hover {
    background: var(--color-whatsapp-dark);
}

/* Low Stock Warning */
.low-stock-warning {
    display: none;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    background: var(--color-danger-light);
    color: var(--color-danger);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.low-stock-warning.visible {
    display: flex;
}

/* ============================================
   PREVENTION SECTION
   ============================================ */
.prevention-section {
    background: linear-gradient(135deg, #fef2f2 0%, #fff7ed 100%);
    padding: var(--spacing-12) 0;
}

.prevention-comparison {
    display: grid;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

@media (min-width: 1024px) {
    .prevention-comparison {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.prevention-visual {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.prevention-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    margin: 0 auto var(--spacing-3);
}

.prevention-caption {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    font-style: italic;
}

/* Treatment Costs Table */
.treatment-costs {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
}

.costs-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-4);
    text-align: center;
}

.cost-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2);
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2);
    border-left: 4px solid;
}

@media (min-width: 640px) {
    .cost-item {
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: var(--spacing-4);
    }
}

.cost-item--mild {
    background: #fefce8;
    border-left-color: #eab308;
}

.cost-item--moderate {
    background: #fff7ed;
    border-left-color: #f97316;
}

.cost-item--severe {
    background: #fef2f2;
    border-left-color: #ef4444;
}

.cost-item--critical {
    background: #fdf2f8;
    border-left-color: #ec4899;
}

.cost-item--aesthetic {
    background: #f5f3ff;
    border-left-color: #8b5cf6;
}

.cost-stage {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.stage-icon {
    font-size: var(--font-size-lg);
}

.stage-name {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-600);
    text-transform: uppercase;
}

.cost-treatment {
    font-weight: 600;
    color: var(--color-gray-800);
}

.cost-price {
    font-weight: 700;
    color: var(--color-danger);
    font-size: var(--font-size-lg);
    text-align: right;
}

.cost-total {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: white;
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-4);
    text-align: center;
}

.cost-total span {
    display: block;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-1);
}

.cost-total strong {
    font-size: var(--font-size-xl);
}

.cost-warning {
    display: block;
    font-size: var(--font-size-xs);
    opacity: 0.9;
    margin-top: var(--spacing-2);
    font-weight: 400;
    line-height: 1.4;
}

/* Prevention Solution (VS section) */
.prevention-solution {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-xl);
    position: relative;
}

.vs-divider {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-lg);
}

.nanodent-alternative {
    text-align: center;
}

.nanodent-alternative h3 {
    font-size: var(--font-size-xl);
    color: var(--color-secondary-dark);
    margin-bottom: var(--spacing-4);
}

.nanodent-cost {
    margin-bottom: var(--spacing-4);
}

.nanodent-price {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-secondary);
}

.nanodent-unit {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.prevention-benefits {
    list-style: none;
    text-align: left;
    max-width: 400px;
    margin: 0 auto var(--spacing-4);
}

.prevention-benefits li {
    padding: var(--spacing-2) 0;
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
}

.prevention-math {
    background: linear-gradient(135deg, #d1fae5, #ecfdf5);
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.prevention-math strong {
    color: var(--color-secondary-dark);
}

.prevention-cta-text {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    margin-top: var(--spacing-6);
}

.prevention-cta-text strong {
    color: var(--color-primary-dark);
}

/* ============================================
   GUARANTEE SECTION
   ============================================ */
.guarantee-section {
    background: var(--color-gray-50);
}

.guarantee-card {
    background: var(--color-white);
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    margin: 0 auto;
}

.guarantee-image {
    width: 100%;
    max-width: 100px;
    height: auto;
    object-fit: contain;
    margin: 0 auto var(--spacing-6);
}

@media (min-width: 640px) {
    .guarantee-image {
        max-width: 120px;
    }
}

@media (min-width: 1024px) {
    .guarantee-image {
        max-width: 150px;
    }
}

.guarantee-badge {
    width: 80px;
    height: 80px;
    background: var(--color-secondary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
}

.guarantee-badge svg {
    width: 48px;
    height: 48px;
}

.guarantee-card h2 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-3);
}

.guarantee-card > p {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-6);
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
}

.trust-badge svg {
    width: 32px;
    height: 32px;
    color: var(--color-gray-400);
}

.trust-badge span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    text-align: center;
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
}

.faq-item {
    border-bottom: 1px solid var(--color-gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-5) 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-900);
    text-align: left;
}

.faq-icon {
    width: 24px;
    height: 24px;
    color: var(--color-gray-400);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.faq-item--open .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item--open .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: var(--spacing-5);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */
.final-cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.final-cta-card {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.final-cta-card h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-6);
}

.final-urgency {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
}

.final-urgency .urgency-item {
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.final-urgency .urgency-item:last-child {
    margin-bottom: 0;
}

.final-urgency .countdown-timer,
.final-urgency .stock-count {
    color: var(--color-accent);
}

.final-ctas {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.final-ctas .cta-btn--whatsapp {
    background: var(--color-white);
    color: var(--color-whatsapp-dark);
}

.final-ctas .cta-btn--whatsapp:hover {
    background: var(--color-gray-100);
}

.final-ctas .cta-btn--phone {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-white);
}

.final-ctas .cta-btn--phone:hover {
    background: rgba(255, 255, 255, 0.1);
}

.final-schedule {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--spacing-12) 0 var(--spacing-6);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.footer-brand h3 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.footer-brand p {
    font-size: var(--font-size-sm);
}

.footer-contact h4,
.footer-links h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.footer-contact p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    display: block;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-2);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-disclaimer {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

.footer-disclaimer p {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    line-height: 1.6;
}

.footer-copyright {
    text-align: center;
}

.footer-copyright p {
    font-size: var(--font-size-sm);
}

/* ============================================
   SOCIAL NOTIFICATIONS
   ============================================ */
.social-notifications {
    position: fixed;
    bottom: var(--spacing-6);
    left: var(--spacing-4);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.social-notification {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    background: var(--color-white);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 320px;
    transform: translateX(-120%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.social-notification.notification-visible {
    transform: translateX(0);
    opacity: 1;
}

.social-notification.notification-hidden {
    transform: translateX(-120%);
    opacity: 0;
}

.notification-icon {
    width: 40px;
    height: 40px;
    background: var(--color-secondary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-icon svg {
    width: 20px;
    height: 20px;
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    margin: 0;
    line-height: 1.4;
}

.notification-text strong {
    color: var(--color-gray-900);
}

.notification-time {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
}

.notification-close {
    padding: var(--spacing-1);
    color: var(--color-gray-400);
    flex-shrink: 0;
}

.notification-close:hover {
    color: var(--color-gray-600);
}

.notification-close svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   RESPONSIVE - TABLET
   ============================================ */
@media (min-width: 640px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .problems-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   RESPONSIVE - DESKTOP
   ============================================ */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-8);
    }

    section {
        padding: var(--spacing-16) 0;
    }

    .section-title {
        font-size: var(--font-size-4xl);
    }

    .hero {
        padding: var(--spacing-12) 0 var(--spacing-16);
    }

    .hero-ctas {
        flex-direction: row;
        max-width: 500px;
    }

    .hero-ctas .cta-btn {
        flex: 1;
    }

    .offers-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .final-ctas {
        flex-direction: row;
    }

    .final-ctas .cta-btn {
        flex: 1;
    }
}

/* ============================================
   POPUP STYLES
   ============================================ */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.popup-overlay.popup-visible {
    opacity: 1;
    visibility: visible;
}

.popup-container {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s;
}

.popup-visible .popup-container {
    transform: scale(1) translateY(0);
}

.popup-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-gray-400);
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
    z-index: 10;
}

.popup-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.popup-view {
    padding: var(--spacing-6);
}

.popup-header {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.popup-badge {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa500 100%);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-3);
}

.popup-badge-success {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.popup-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary-dark);
    line-height: 1.3;
}

.popup-body {
    text-align: center;
}

.popup-subtext {
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-4);
}

/* Popup Form Styles */
.popup-form {
    text-align: left;
}

.popup-form .form-group {
    margin-bottom: var(--spacing-4);
}

.popup-form .form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
}

.popup-form .form-group input,
.popup-form .form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.popup-form .form-group input:focus,
.popup-form .form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.popup-form .form-group input::placeholder {
    color: var(--color-gray-400);
}

.popup-form .form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

/* Phone input with prefix */
.phone-input-wrapper {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.phone-input-wrapper:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.phone-prefix {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    font-weight: 500;
    border-right: 1px solid var(--color-gray-300);
    min-width: 70px;
    justify-content: center;
}

.phone-input-wrapper input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    font-size: var(--font-size-base);
    outline: none;
}

.phone-input-wrapper input::placeholder {
    color: var(--color-gray-400);
}

/* Validation Toast */
.validation-toast {
    position: relative;
    background: var(--color-danger);
    color: white;
    padding: 10px 16px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-3);
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 500;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.validation-toast.visible {
    opacity: 1;
    transform: translateY(0);
}

.validation-toast::before {
    content: '⚠️ ';
}

/* Bundle Selection Dropdown in Popup */
.bundle-selection {
    margin-bottom: var(--spacing-4);
}

.bundle-selection > label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
}

.bundle-dropdown {
    position: relative;
}

.bundle-dropdown-selected {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #e0f7fa 0%, #f0f9ff 100%);
    cursor: pointer;
    transition: all 0.2s;
}

.bundle-dropdown-selected:hover {
    border-color: var(--color-primary-dark);
}

.bundle-dropdown.open .bundle-dropdown-selected {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.bundle-dropdown-arrow {
    margin-left: auto;
    transition: transform 0.3s;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.bundle-dropdown.open .bundle-dropdown-arrow {
    transform: rotate(180deg);
}

.bundle-dropdown-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 10;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.3s ease;
}

.bundle-dropdown.open .bundle-dropdown-options {
    max-height: 300px;
    opacity: 1;
    overflow-y: auto;
}

.bundle-dropdown-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    cursor: pointer;
    transition: background 0.2s;
    border-bottom: 1px solid var(--color-gray-100);
}

.bundle-dropdown-option:last-child {
    border-bottom: none;
}

.bundle-dropdown-option:hover {
    background: var(--color-gray-50);
}

.bundle-dropdown-option.selected {
    background: linear-gradient(135deg, #e0f7fa 0%, #f0f9ff 100%);
}

.bundle-option-icon {
    font-size: var(--font-size-lg);
    line-height: 1;
}

.bundle-option-details {
    flex: 1;
    min-width: 0;
}

.bundle-option-name {
    display: block;
    font-weight: 600;
    color: var(--color-gray-800);
    font-size: var(--font-size-sm);
}

.bundle-option-price {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.bundle-option-badge {
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: var(--color-white);
    white-space: nowrap;
}

/* Form divider */
.form-divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: var(--spacing-4) 0;
}

/* Contact method section */
.contact-method-section {
    position: relative;
    transition: opacity 0.3s;
}

.contact-method-section.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.contact-method-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
}

.contact-tooltip {
    background: var(--color-primary);
    color: white;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    margin-bottom: var(--spacing-2);
    text-align: center;
}

.contact-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.contact-option {
    display: block;
    cursor: pointer;
}

.contact-option input[type="radio"] {
    display: none;
}

.contact-option-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all 0.2s;
}

.contact-option input[type="radio"]:checked + .contact-option-content {
    border-color: var(--color-secondary);
    background: linear-gradient(135deg, #d1fae5 0%, #f0fdf4 100%);
}

.contact-option:hover .contact-option-content {
    border-color: var(--color-secondary);
}

.contact-option-icon {
    font-size: var(--font-size-xl);
    line-height: 1;
}

.contact-option-content strong {
    display: block;
    color: var(--color-gray-800);
    font-size: var(--font-size-sm);
    margin-bottom: 2px;
}

.contact-option-desc {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.contact-specialist {
    color: var(--color-primary) !important;
    font-weight: 500;
}

/* Popup buttons */
.popup-btn {
    display: inline-block;
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    border: none;
    text-decoration: none !important;
    text-align: center;
}

.popup-btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(8, 145, 178, 0.4);
}

.popup-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(8, 145, 178, 0.5);
}

.popup-btn-full {
    width: 100%;
}

/* Popup Success View */
.popup-success {
    text-align: center;
    padding: var(--spacing-6) 0;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    color: white;
    font-size: var(--font-size-4xl);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    animation: successPop 0.5s ease-out;
}

@keyframes successPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.popup-success h2 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-2);
}

.popup-success p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2);
}

.form-footer {
    text-align: center;
    margin-top: var(--spacing-4);
}

.form-footer p {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin: 0;
}

/* ============================================
   SHIPPING BADGES
   ============================================ */
.bundle-option-shipping {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-top: 2px;
}

.shipping-free {
    color: var(--color-secondary);
}

.shipping-paid {
    color: var(--color-gray-500);
}

/* ============================================
   CONTACT SUBDESCRIPTION
   ============================================ */
.contact-option-subdesc {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: 2px;
    font-style: italic;
}

/* ============================================
   TRUST CONTRAENTREGA BADGE (Popup)
   ============================================ */
.trust-contraentrega {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    background: linear-gradient(135deg, #d1fae5 0%, #ecfdf5 100%);
    border: 1px solid var(--color-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.trust-contraentrega .trust-icon {
    font-size: var(--font-size-xl);
}

.trust-contraentrega .trust-text {
    flex: 1;
}

.trust-contraentrega .trust-text strong {
    display: block;
    color: var(--color-secondary-dark);
    font-size: var(--font-size-sm);
}

.trust-contraentrega .trust-text span {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
}

/* ============================================
   HERO TRUST BADGE
   ============================================ */
.trust-badge-hero {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

/* ============================================
   HERO URGENCY LINE (Compact)
   ============================================ */
.hero-urgency {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-top: var(--spacing-4);
}

.viewers-inline {
    display: inline;
}

.urgency-separator {
    color: var(--color-gray-400);
}

.urgency-timer {
    color: var(--color-danger);
    font-weight: 600;
}

/* ============================================
   BENEFIT ICONS WITH EMOJIS
   ============================================ */
.benefit-icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    font-size: var(--font-size-2xl);
}

.benefit-icon--regenerate { background: linear-gradient(135deg, #0891b2, #06b6d4); }
.benefit-icon--protect { background: linear-gradient(135deg, #10b981, #34d399); }
.benefit-icon--sensitivity { background: linear-gradient(135deg, #6366f1, #818cf8); }

/* ============================================
   COMPACT GUARANTEE CARD
   ============================================ */
.guarantee-card--compact {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    text-align: center;
}

@media (min-width: 768px) {
    .guarantee-card--compact {
        flex-direction: row;
        text-align: left;
    }
}

.guarantee-card--compact .guarantee-content h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2);
}

.guarantee-card--compact .guarantee-content p {
    margin: 0;
    color: var(--color-gray-600);
}

/* Inline trust badges */
.trust-badges--inline {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    justify-content: center;
}

@media (min-width: 768px) {
    .trust-badges--inline {
        justify-content: flex-start;
    }
}

.trust-badge-mini {
    font-size: var(--font-size-sm);
    color: var(--color-secondary-dark);
    font-weight: 600;
    white-space: nowrap;
}

/* ============================================
   OFFERS TRUST TEXT
   ============================================ */
.offers-trust {
    text-align: center;
    color: var(--color-secondary-dark);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-6);
}

/* ============================================
   FINAL CTA CONTRAENTREGA HIGHLIGHT
   ============================================ */
.contraentrega-highlight {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    text-align: center;
}

/* Dropdown Mobile - applies to tablets and phones */
@media (max-width: 768px) {
    /* Hide icons, shipping, and badges on mobile */
    .bundle-option-icon,
    .bundle-option-shipping,
    .bundle-option-badge {
        display: none !important;
    }

    .bundle-dropdown-selected,
    .bundle-dropdown-option {
        padding: 12px !important;
    }

    /* Simple inline layout: name on left, price on right */
    .bundle-option-details {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
        gap: 8px !important;
    }

    .bundle-option-name {
        font-size: 14px !important;
        font-weight: 600 !important;
    }

    .bundle-option-price {
        font-size: 14px !important;
        font-weight: 700 !important;
        color: var(--color-primary-dark) !important;
    }

    /* Scrollable dropdown */
    .bundle-dropdown.open .bundle-dropdown-options {
        max-height: 220px !important;
        overflow-y: auto !important;
    }
}

/* Popup Responsive - Compact to fit screen without scroll */
@media (max-width: 520px) {
    .popup-overlay {
        padding: var(--spacing-2);
        align-items: flex-start;
        padding-top: var(--spacing-4);
    }

    .popup-container {
        max-width: 100%;
        margin: 0;
        border-radius: var(--radius-lg);
        max-height: 95vh;
        overflow-y: auto;
    }

    .popup-view {
        padding: var(--spacing-3);
    }

    .popup-header {
        margin-bottom: var(--spacing-3);
    }

    .popup-header h2 {
        font-size: var(--font-size-lg);
    }

    .popup-badge {
        padding: var(--spacing-1) var(--spacing-3);
        font-size: 10px;
        margin-bottom: var(--spacing-2);
    }

    .form-group {
        margin-bottom: var(--spacing-2);
    }

    .form-group label {
        font-size: var(--font-size-xs);
        margin-bottom: 4px;
    }

    .form-group input {
        padding: 10px 12px;
        font-size: var(--font-size-sm);
    }

    .bundle-selection {
        margin-bottom: var(--spacing-2);
    }

    .form-divider {
        margin: var(--spacing-2) 0;
    }

    .contact-method-label {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-1);
    }

    .contact-options {
        gap: var(--spacing-1);
    }

    .contact-option-content {
        padding: var(--spacing-2);
        gap: var(--spacing-2);
    }

    .contact-option-icon {
        font-size: var(--font-size-base);
    }

    .contact-option-content strong {
        font-size: var(--font-size-xs);
    }

    .contact-option-desc {
        font-size: 10px;
    }

    .popup-btn {
        padding: 12px 16px;
        font-size: var(--font-size-sm);
    }

    .trust-contraentrega {
        padding: var(--spacing-2);
        margin-top: var(--spacing-2);
    }

    .trust-contraentrega .trust-icon {
        font-size: var(--font-size-base);
    }

    .trust-contraentrega .trust-text strong {
        font-size: var(--font-size-xs);
    }

    .trust-contraentrega .trust-text span {
        font-size: 10px;
    }

    .form-footer {
        padding-top: var(--spacing-2);
    }

    .form-footer p {
        font-size: 10px;
    }

    .phone-prefix {
        min-width: 55px;
        padding: 10px;
        font-size: var(--font-size-xs);
    }

    /* Problem cards with images on mobile */
    .problem-card {
        padding: var(--spacing-3);
    }

    .problem-image img {
        height: 120px;
    }

    .problem-card h3 {
        font-size: var(--font-size-base);
    }

    .problem-card p {
        font-size: var(--font-size-xs);
    }

    /* Benefits grid - compact 3 columns on mobile */
    .benefits-grid {
        gap: var(--spacing-1);
    }

    .benefit-card {
        padding: var(--spacing-3);
    }

    .benefit-icon {
        width: 36px;
        height: 36px;
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-2);
    }

    .benefit-card h3 {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-1);
    }

    .benefit-card p {
        font-size: 10px;
        line-height: 1.3;
    }

    /* Steps grid - compact 3 columns on mobile */
    .steps-grid {
        gap: var(--spacing-1);
    }

    .step-card {
        padding: var(--spacing-4) var(--spacing-2);
    }

    .step-number {
        width: 24px;
        height: 24px;
        font-size: 11px;
        top: -12px;
    }

    .step-card h3 {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-1);
    }

    .step-card p {
        font-size: 10px;
        line-height: 1.3;
    }

    /* Mobile adjustments for small screens */
    .hero-ctas {
        max-width: 100%;
        padding: 0 var(--spacing-2);
    }

    .prevention-image {
        max-width: 100%;
    }

    .prevention-visual {
        padding: 0 var(--spacing-2);
    }
}

/* ============================================
   STICKY WHATSAPP BUTTON
   ============================================ */
.sticky-whatsapp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform 0.2s;
}

.sticky-whatsapp:hover {
    transform: scale(1.05);
}

.sticky-whatsapp svg {
    width: 28px;
    height: 28px;
}

/* ============================================
   VIDEO DEMO SECTION
   ============================================ */
.video-demo {
    padding: var(--spacing-8) 0;
    background: var(--gray-50);
}

.video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.video-wrapper video {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   CHECKOUT ALTERNATIVE
   ============================================ */
.checkout-alternative {
    margin-top: var(--spacing-4);
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: 12px;
    text-align: center;
}

.checkout-alternative p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-2);
}

.link-ecommerce {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s;
}

.link-ecommerce:hover {
    transform: translateX(4px);
}

@media (max-width: 768px) {
    .sticky-whatsapp {
        bottom: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
    }

    .sticky-whatsapp svg {
        width: 24px;
        height: 24px;
    }

    .video-demo {
        padding: var(--spacing-6) 0;
    }

    .checkout-alternative {
        padding: var(--spacing-3);
    }
}

/* Cache bust: 2025-11-26-v2 */