/* ============================================
   NANODENT - Estilos Principales
   Inspirado en revista científica de confianza
   ============================================ */

:root {
    /* Colores principales */
    --color-primary: #1e3a5f;
    --color-secondary: #00b4d8;
    --color-accent: #0077b6;
    --color-white: #ffffff;
    --color-gray-light: #f8fafc;
    --color-gray: #e2e8f0;
    --color-gray-dark: #64748b;
    --color-text: #334155;
    --color-text-light: #94a3b8;
    
    /* Tipografía */
    --font-primary: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Bordes */
    --border-radius: 8px;
    --border-radius-lg: 12px;
}

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

body {
    font-family: var(--font-primary);
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-white);
}

/* ============================================
   HEADER - Estilo Revista
   ============================================ */
.site-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0f172a 100%);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
    text-decoration: none;
}

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

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.main-nav a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.95rem;
    opacity: 0.9;
    transition: opacity 0.3s;
}

.main-nav a:hover {
    opacity: 1;
    color: var(--color-secondary);
}

/* Hide mobile menu toggle on desktop */
.mobile-menu-toggle {
    display: none;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-xl);
}

.article-content {
    background: var(--color-white);
}

.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

/* ============================================
   ARTÍCULO
   ============================================ */
.article-header {
    margin-bottom: var(--spacing-lg);
}

.article-category {
    display: inline-block;
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.article-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-text-light);
    font-size: 0.9rem;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray);
}

.article-meta time {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Imagen Hero */
.hero-image {
    width: 100%;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    display: block;
}

.image-caption {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* Contenido del artículo */
.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-body p {
    margin-bottom: var(--spacing-md);
}

.article-body h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-secondary);
}

.article-body h3 {
    font-size: 1.4rem;
    color: var(--color-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

/* Citas destacadas */
.blockquote {
    background: linear-gradient(135deg, var(--color-gray-light) 0%, #e0f2fe 100%);
    border-left: 4px solid var(--color-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-style: italic;
    font-size: 1.15rem;
}

.blockquote cite {
    display: block;
    margin-top: var(--spacing-sm);
    font-style: normal;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.95rem;
}

/* Enlaces */
.article-body a {
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    transition: color 0.3s;
}

.article-body a:hover {
    color: var(--color-secondary);
}

/* Imagen en artículo */
.article-image {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.article-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* CTA Botón */
.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #0d6e85 0%, #0a5568 100%);
    color: #ffffff !important;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    text-decoration: none !important;
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    margin-top: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(8, 145, 178, 0.4);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(8, 145, 178, 0.5);
    background: linear-gradient(135deg, #0a5568 0%, #083344 100%);
    color: #ffffff !important;
    text-decoration: none !important;
}

/* Lista de beneficios */
.benefits-list {
    background: var(--color-gray-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
}

.benefits-list h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

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

.benefits-list li {
    padding: var(--spacing-xs) 0;
    padding-left: 28px;
    position: relative;
}

.benefits-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

/* ============================================
   SIDEBAR - PUBLICIDAD
   ============================================ */
.ad-block {
    background: var(--color-gray-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-gray);
}

.ad-block-header {
    font-size: 0.7rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.ad-block img {
    width: 100%;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xs);
}

.ad-block h4 {
    font-size: 0.95rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.ad-block p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.ad-block a {
    color: var(--color-accent);
    font-size: 0.85rem;
    text-decoration: none;
    font-weight: 500;
}

.ad-block a:hover {
    text-decoration: underline;
}

/* Artículos relacionados */
.related-articles {
    background: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
}

.related-articles h3 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-secondary);
}

.related-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.related-item:last-child {
    border-bottom: none;
}

.related-item img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
}

.related-item-content h4 {
    font-size: 0.85rem;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: 4px;
}

.related-item-content a {
    text-decoration: none;
    color: inherit;
}

.related-item-content a:hover h4 {
    color: var(--color-accent);
}

.related-item-content span {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-section a {
    display: block;
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    max-width: 1200px;
    margin: var(--spacing-lg) auto 0;
    padding: var(--spacing-md) var(--spacing-md) 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 968px) {
    .main-container {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .article-title {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .site-header {
        padding: var(--spacing-sm) 0;
    }

    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 0 var(--spacing-sm);
        position: relative;
    }

    .site-logo {
        font-size: 1.4rem;
    }

    /* Mobile Menu Toggle Button */
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 10px;
        z-index: 1001;
    }

    .mobile-menu-toggle span {
        display: block;
        width: 25px;
        height: 3px;
        background: white;
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    /* Mobile Nav Hidden by Default */
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-dark, #0f172a);
        padding: var(--spacing-md);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
        z-index: 1000;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: 0;
    }

    .main-nav a {
        display: block;
        font-size: 1rem;
        padding: 12px 16px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        text-align: center;
    }

    .main-nav a:hover {
        background: rgba(255, 255, 255, 0.2);
    }

    .sidebar {
        grid-template-columns: 1fr;
    }

    .article-title {
        font-size: 1.6rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .article-meta {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: var(--spacing-xs);
        font-size: 0.8rem;
    }

    .article-meta time {
        gap: 3px;
    }

    /* Header: not sticky on mobile for better reading experience */
    .site-header {
        position: relative;
    }
}

/* ============================================
   COOKIE CONSENT BANNER
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 2000;
    transform: translateY(100%);
    transition: transform 0.3s ease-out;
}

.cookie-banner-visible {
    transform: translateY(0);
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.cookie-banner-text {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.cookie-banner-icon {
    color: var(--color-secondary);
    flex-shrink: 0;
}

.cookie-banner-text h4 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.cookie-banner-text p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin: 0;
}

.cookie-banner-text a {
    color: var(--color-accent);
    text-decoration: underline;
}

.cookie-banner-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.cookie-btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.cookie-btn-primary {
    background: var(--color-secondary);
    color: white;
}

.cookie-btn-primary:hover {
    background: var(--color-accent);
}

.cookie-btn-secondary {
    background: var(--color-gray-light);
    color: var(--color-text);
    border: 1px solid var(--color-gray);
}

.cookie-btn-secondary:hover {
    background: var(--color-gray);
}

.cookie-btn-link {
    background: transparent;
    color: var(--color-accent);
    padding: 10px;
}

.cookie-btn-link:hover {
    text-decoration: underline;
}

/* Cookie Settings Panel */
.cookie-settings-panel {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.cookie-settings-panel h4 {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.cookie-option {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.cookie-option:last-of-type {
    border-bottom: none;
}

.cookie-option-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.cookie-option-header label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.cookie-option-header input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-secondary);
}

.cookie-option p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-left: 26px;
}

.cookie-badge {
    font-size: 0.7rem;
    background: var(--color-gray-light);
    color: var(--color-text-light);
    padding: 2px 8px;
    border-radius: 4px;
}

.cookie-settings-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray);
}

/* Cookie Banner Responsive */
@media (max-width: 768px) {
    .cookie-banner-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-banner-text {
        flex-direction: column;
        align-items: center;
    }

    .cookie-banner-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ============================================
   POPUP / MODAL 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-md);
    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(--border-radius-lg);
    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-text-light);
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
    z-index: 10;
}

.popup-close:hover {
    background: var(--color-gray-light);
    color: var(--color-text);
}

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

.popup-back {
    background: transparent;
    border: none;
    color: var(--color-accent);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0;
    margin-bottom: var(--spacing-md);
}

.popup-back:hover {
    text-decoration: underline;
}

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

.popup-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

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

.popup-header h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--color-primary);
    line-height: 1.3;
}

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

.popup-subtext {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.popup-urgency {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff3cd;
    color: #856404;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-lg);
}

.urgency-icon {
    font-size: 1.2rem;
}

.popup-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.popup-btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 10px;
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    border: none;
    text-decoration: none !important;
    text-align: center;
    letter-spacing: 0.5px;
}

.popup-btn-primary {
    background: linear-gradient(135deg, #0d6e85 0%, #0a5568 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(8, 145, 178, 0.4);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.popup-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(8, 145, 178, 0.5);
    background: linear-gradient(135deg, #0a5568 0%, #083344 100%);
    color: #ffffff !important;
    text-decoration: none !important;
}

.popup-btn-primary:active {
    transform: translateY(-1px);
}

.popup-btn-secondary {
    background: #ffffff;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    font-weight: 600;
}

.popup-btn-secondary:hover {
    background: var(--color-primary);
    color: #ffffff;
}

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

.popup-trust {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--color-text-light);
    flex-wrap: wrap;
}

.popup-dismiss {
    display: block;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--color-text-light);
    font-size: 0.85rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    border-top: 1px solid var(--color-gray-light);
}

.popup-dismiss:hover {
    color: var(--color-text);
    text-decoration: underline;
}

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

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-gray);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

.form-group input::placeholder {
    color: var(--color-text-light);
}

.form-footer {
    text-align: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-light);
}

.form-footer p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin: 4px 0;
}

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

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    color: white;
    font-size: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    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-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.popup-success p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

/* Popup Responsive */
@media (max-width: 520px) {
    .popup-container {
        max-width: 100%;
        margin: var(--spacing-sm);
        border-radius: var(--border-radius);
    }

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

    .popup-header h2 {
        font-size: 1.3rem;
    }

    .popup-trust {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .popup-buttons {
        gap: var(--spacing-xs);
    }
}

/* ============================================
   LEAD FORM - NEW STYLES
   ============================================ */

/* Select dropdown */
.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-gray);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--color-white);
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
    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;
}

.form-select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

/* Phone input with prefix */
.phone-input-wrapper {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--color-gray);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.phone-input-wrapper:focus-within {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

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

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

.phone-input-wrapper input::placeholder {
    color: var(--color-text-light);
}

/* Form divider */
.form-divider {
    height: 1px;
    background: var(--color-gray);
    margin: var(--spacing-md) 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: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.contact-tooltip {
    background: var(--color-primary);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

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

.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-sm);
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray);
    border-radius: 8px;
    transition: all 0.2s;
}

.contact-option input[type="radio"]:checked + .contact-option-content {
    border-color: var(--color-secondary);
    background: linear-gradient(135deg, #e0f7fa 0%, #f0f9ff 100%);
}

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

.contact-option-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.contact-option-content strong {
    display: block;
    color: var(--color-primary);
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.contact-option-desc {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.contact-specialist {
    color: #0891b2 !important;
    font-weight: 500;
}

/* Form footer update */
.form-footer {
    text-align: center;
    margin-top: var(--spacing-md);
}

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

/* Contact section responsive */
@media (max-width: 520px) {
    .contact-option-content {
        padding: var(--spacing-sm);
    }

    .contact-option-icon {
        font-size: 1.2rem;
    }

    .contact-option-content strong {
        font-size: 0.85rem;
    }

    .phone-prefix {
        min-width: 60px;
        padding: 10px 12px;
        font-size: 0.9rem;
    }
}

/* ============================================
   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;
}

/* Product Price Visibility */
.product-price {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 1.5rem 0;
    padding: 1rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 8px;
    border-left: 4px solid #00b4d8;
}

.price-old {
    font-size: 1.1rem;
    color: #64748b;
    text-decoration: line-through;
}

.price-new {
    font-size: 1.8rem;
    font-weight: bold;
    color: #00b4d8;
}

.badge-discount {
    background: #ef4444;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

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

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

    .product-price {
        flex-wrap: wrap;
        gap: 8px;
    }

    .price-new {
        font-size: 1.5rem;
    }
}