/* ==========================================================================
   VARIABLES Y SISTEMA DE DISEÑO (Premium Theme)
   ========================================================================== */
:root {
    /* Colores Principales - Azul Marino Ejecutivo Profundo */
    --color-bg-dark: #0A1128;      /* Fondo marino corporativo prestigioso */
    --color-bg-card: rgba(13, 27, 56, 0.75); /* Tarjetas translúcidas oscuras */
    --color-bg-glass: rgba(10, 17, 40, 0.75);
    --color-primary: #1E40AF;      /* Azul cobalto institucional */
    --color-primary-light: #0056B3;/* Azul cobalto vibrante */
    
    /* Acentos Metálicos y Estado */
    --color-accent-gold: #c5a880;  /* Dorado Champagne */
    --color-accent-gold-light: #e2cfa7;
    --color-accent-cyan: #38bdf8;  /* Celeste cobalto suave de alta definición */
    
    /* Variables de Acento Dinámico (Azul Cobalto por defecto) */
    --color-accent: #1E40AF;
    --color-accent-dark: #172554;
    --color-accent-alpha: rgba(30, 64, 175, 0.1);
    
    /* Texto */
    --color-text-light: #f3f4f6;   /* Blanco grisáceo principal */
    --color-text-muted: #94a3b8;   /* Plata/Gris claro */
    --color-text-dark: #0f172a;    /* Gris muy oscuro para certificado */
    --color-card-title: #FFFFFF;   /* Título de tarjeta (Oscuro: Blanco) */
    --color-card-code: #E2E8F0;    /* Código de tarjeta (Oscuro: Plata claro) */
    
    /* Indicadores de Validación */
    --color-success: #10b981;      
    --color-success-bg: rgba(16, 185, 129, 0.1);
    --color-danger: #ef4444;       
    --color-danger-bg: rgba(239, 68, 68, 0.1);
    
    /* Fuentes */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Efectos Glassmorphic */
    --glass-border: 1px solid rgba(255, 255, 255, 0.1); /* Borde plata traslúcido 1px */
    --glass-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.65);
    --gold-border: 1px solid rgba(197, 168, 128, 0.3);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;       /* Redondeo pulcro 12px para tarjetas */
    --border-radius-lg: 20px;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Modo Claro (Modo Diurno) */
[data-theme="light"] {
    --color-bg-dark: #F8FAFC;      /* Gris ultra-claro limpio */
    --color-bg-card: #FFFFFF;      /* Tarjetas blanco puro */
    --color-bg-glass: rgba(248, 250, 252, 0.85);
    --color-text-light: #1E293B;   /* Texto principal gris oscuro */
    --color-text-muted: #64748B;   /* Subtítulos gris medio */
    --glass-border: 1px solid rgba(15, 23, 42, 0.08); /* Borde claro ultra-fino */
    --glass-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05); /* Sombra muy suave */
    --color-card-title: #1E293B;   /* Gris oscuro corporativo */
    --color-card-code: #334155;    /* Gris fuerte */
}

/* ==========================================================================
   RESET Y ESTILOS GENERALES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin-right: auto;
    margin-left: auto;
    padding-right: 1.5rem;
    padding-left: 1.5rem;
}

/* Utilidades de Display */
.hidden {
    display: none !important;
}

/* ==========================================================================
   COMPONENTES DE BOTONES Y TEXTO
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--border-radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-gold) 0%, #b09166 100%);
    color: var(--color-bg-dark);
    box-shadow: 0 4px 15px rgba(197, 168, 128, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(197, 168, 128, 0.5);
    background: linear-gradient(135deg, var(--color-accent-gold-light) 0%, var(--color-accent-gold) 100%);
}

.btn-secondary {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--color-text-light);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline-danger {
    background: transparent;
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.btn-outline-danger:hover {
    background: var(--color-danger);
    color: var(--color-text-light);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.08);
    border: var(--glass-border);
    color: var(--color-text-light);
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.btn-icon:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-dark);
    border-color: var(--color-accent-gold);
}

/* Títulos de Sección */
.section-title-wrapper {
    margin-bottom: 3.5rem;
    max-width: 700px;
}

.section-title-wrapper.text-center {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.section-subtitle {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent-gold);
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   HEADER / NAVBAR (Totalmente Adaptable)
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(7, 13, 25, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: var(--glass-border);
    transition: var(--transition-smooth);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-smooth);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-item {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.nav-item:hover, .nav-item.active {
    color: var(--color-accent) !important;
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
}

.btn-contact-nav {
    background: rgba(197, 168, 128, 0.1);
    color: var(--color-accent-gold) !important;
    border: 1px solid rgba(197, 168, 128, 0.3);
    padding: 0.5rem 1.25rem;
    border-radius: var(--border-radius-sm);
}

.btn-contact-nav:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-dark) !important;
    border-color: var(--color-accent-gold);
}

/* Hamburguesa (Mobile) */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.hamburger .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-light);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    padding-top: 160px;
    padding-bottom: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 10% 20%, rgba(30, 58, 138, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 90% 80%, rgba(197, 168, 128, 0.08) 0%, transparent 50%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 650px;
}

.hero-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(197, 168, 128, 0.1);
    color: var(--color-accent-gold);
    border: 1px solid rgba(197, 168, 128, 0.25);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--color-text-light) 60%, var(--color-accent-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    border-top: var(--glass-border);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent-gold);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Tarjeta Visual de Certificado (Glassmorphism) */
.hero-visual {
    display: flex;
    justify-content: center;
}

.certificate-preview-container {
    position: relative;
    width: 100%;
    max-width: 440px;
    perspective: 1200px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
    z-index: 5;
}

.certificate-preview-glow {
    position: absolute;
    width: 90%;
    height: 90%;
    background: radial-gradient(circle, rgba(197, 168, 128, 0.2) 0%, rgba(30, 58, 138, 0.05) 50%, transparent 80%);
    filter: blur(25px);
    z-index: -1;
    pointer-events: none;
    animation: pulseScan 6s ease-in-out infinite;
}

.certificate-preview-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.7);
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;
}

/* Certificado 1: Atrás (Acreditación) */
.certificate-preview-img.cert-back {
    transform: rotateY(-18deg) rotateX(10deg) translateZ(-40px) translateX(-20px) translateY(-10px);
    z-index: 2;
    opacity: 0.85;
}

/* Certificado 2: Adelante (Especialidad) */
.certificate-preview-img.cert-front {
    position: absolute;
    top: 15px;
    left: 25px;
    transform: rotateY(-8deg) rotateX(6deg) translateZ(40px) translateX(15px) translateY(10px);
    z-index: 3;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.85),
                0 0 40px rgba(197, 168, 128, 0.15);
}

/* Hover interactivo con efecto de separación 3D */
.certificate-preview-container:hover .cert-back {
    transform: rotateY(-10deg) rotateX(6deg) translateZ(-60px) translateX(-45px) translateY(-20px) scale(0.98);
    opacity: 0.95;
    border-color: rgba(255, 255, 255, 0.25);
}

.certificate-preview-container:hover .cert-front {
    transform: rotateY(-2deg) rotateX(2deg) translateZ(80px) translateX(35px) translateY(20px) scale(1.02);
    box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.95),
                0 0 50px rgba(197, 168, 128, 0.35);
    border-color: rgba(197, 168, 128, 0.5);
}

.preview-badge-label {
    position: absolute;
    bottom: -1.25rem;
    background: rgba(14, 23, 38, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(197, 168, 128, 0.3);
    color: var(--color-text-light);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
    display: inline-flex;
    align-items: center;
    pointer-events: none;
    z-index: 10;
}

/* ==========================================================================
   BENEFICIOS SECTION
   ========================================================================== */
.benefits-section {
    padding: 100px 0;
    border-top: var(--glass-border);
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, rgba(14, 23, 38, 0.4) 100%);
}

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

.benefit-card {
    background: var(--color-bg-card);
    border: var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    transition: var(--transition-smooth);
    position: relative;
}

.benefit-card:hover {
    transform: translateY(-8px);
    border-color: rgba(197, 168, 128, 0.3);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.benefit-icon-box {
    display: inline-flex;
    padding: 0.85rem;
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary-light);
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.benefit-card:hover .benefit-icon-box {
    background: var(--color-accent-gold);
    color: var(--color-bg-dark);
}

.benefit-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.benefit-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   VALIDADOR SECTION & INTERACTIVIDAD
   ========================================================================== */
.validator-section {
    padding: 100px 0;
    background: radial-gradient(circle at 50% 50%, rgba(30, 58, 138, 0.12) 0%, transparent 60%);
    border-top: var(--glass-border);
}

.validator-wrapper {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.validator-card-glass {
    background: var(--color-bg-glass);
    backdrop-filter: blur(16px);
    border: var(--glass-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 3rem;
    margin-bottom: 3rem;
}

/* Tabs */
.tabs-control {
    display: flex;
    gap: 1rem;
    border-bottom: var(--glass-border);
    padding-bottom: 1rem;
    margin-bottom: 2.5rem;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    position: relative;
}

.tab-btn:hover {
    color: var(--color-text-light);
}

.tab-btn.active {
    color: var(--color-accent-gold);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1.15rem;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-accent-gold);
    border-radius: 3px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

/* Formulario */
.validator-form {
    width: 100%;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.input-with-button {
    display: flex;
    gap: 0.75rem;
}

.input-with-button input {
    flex: 1;
    background: rgba(7, 13, 25, 0.6);
    border: var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 1rem 1.5rem;
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-size: 1.05rem;
    transition: var(--transition-smooth);
}

.input-with-button input:focus {
    outline: none;
    border-color: var(--color-accent-gold);
    box-shadow: 0 0 0 3px rgba(197, 168, 128, 0.15);
    background: rgba(7, 13, 25, 0.8);
}

.btn-search-code {
    min-width: 140px;
}

.input-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.input-hint strong {
    color: var(--color-accent-gold);
    cursor: pointer;
}

/* Spinner animado */
.spinner-icon {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Simulador QR */
.qr-scanner-simulator {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2.5rem;
    align-items: center;
}

.scanner-camera-container {
    position: relative;
    aspect-ratio: 1;
    background: #000;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Láser rojo animado */
.scanner-laser {
    position: absolute;
    top: 10%;
    left: 5%;
    width: 90%;
    height: 3px;
    background-color: var(--color-danger);
    box-shadow: 0 0 8px var(--color-danger);
    z-index: 10;
    animation: laserScan 2.5s ease-in-out infinite;
    pointer-events: none;
    display: none; /* Se activa con JS */
}

/* Esquinas de mira del escáner */
.scanner-overlay-corners {
    position: absolute;
    top: 15%;
    left: 15%;
    width: 70%;
    height: 70%;
    pointer-events: none;
    z-index: 5;
}

.scanner-overlay-corners::before, .scanner-overlay-corners::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    border-color: var(--color-accent-gold);
    border-style: solid;
}

.scanner-overlay-corners::before {
    top: 0; left: 0; border-width: 3px 0 0 3px;
}
.scanner-overlay-corners::after {
    bottom: 0; right: 0; border-width: 0 3px 3px 0;
}

.camera-idle-view {
    text-align: center;
    padding: 2rem;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.scanner-icon {
    color: var(--color-text-muted);
}

.camera-idle-view p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.camera-active-view {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    z-index: 2;
}

.simulated-feed {
    flex: 1;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.pulse-ring {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 2px solid var(--color-accent-cyan);
    border-radius: 50%;
    animation: pulseScan 2s infinite;
}

.floating-qr-code {
    width: 90px;
    height: 90px;
    background: white;
    padding: 6px;
    border-radius: 6px;
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.4);
    animation: floatQr 3s ease-in-out infinite;
    z-index: 3;
}

.qr-dots-grid-small {
    width: 100%;
    height: 100%;
    background-image: radial-gradient(#070d19 2px, transparent 2px);
    background-size: 6px 6px;
}

.scanner-status-text {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-accent-cyan);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.qr-demo-info h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.qr-demo-info p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   RESULTADO DE VALIDACIÓN (High Fidelity Card)
   ========================================================================== */
.validation-result-container {
    animation: slideUp 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.success-card {
    background: var(--color-bg-card);
    border: var(--glass-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.result-header {
    background: rgba(16, 185, 129, 0.08);
    border-bottom: var(--glass-border);
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.result-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
}

.status-valid {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

/* Ficha de Validación en 2 Columnas */
.validation-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    padding: 2.5rem;
    background: radial-gradient(circle at 10% 10%, #111e35 0%, #080f1a 100%);
}

.validation-info-sheet {
    background: var(--color-bg-glass);
    border: var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.02);
}

.validation-info-sheet h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-text-light);
    border-bottom: 2px solid rgba(197, 168, 128, 0.3);
    padding-bottom: 0.75rem;
    margin-bottom: 0.5rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.info-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.info-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-align: right;
}

.highlight-cyan {
    color: var(--color-accent-cyan) !important;
}

.highlight-gold {
    color: var(--color-accent-gold) !important;
}

.status-valid-text {
    color: var(--color-success) !important;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.info-sheet-footer {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-top: 1rem;
    border-top: var(--glass-border);
    padding-top: 1.25rem;
}

.cert-qr-box {
    background: white;
    padding: 6px;
    border-radius: var(--border-radius-sm);
    flex-shrink: 0;
}

.mini-qr {
    width: 65px;
    height: 65px;
}

.verification-seal-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.verification-seal-text strong {
    color: var(--color-text-light);
}

/* Previsualización del Certificado Real */
.validation-image-preview {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.validation-image-preview h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.cert-image-frame {
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
}

.cert-real-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* Tarjeta de Error */
.error-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.error-icon-box {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    padding: 1rem;
    border-radius: 50%;
    display: inline-flex;
}

.error-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
}

.error-card p {
    color: var(--color-text-muted);
    max-width: 500px;
    font-size: 0.95rem;
}

.error-action-info {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    border-top: var(--glass-border);
    padding-top: 1rem;
    width: 100%;
}

/* ==========================================================================
   PROGRAMAS / CATÁLOGO DINÁMICO (261 Especialidades)
   ========================================================================== */
.programs-section {
    padding: 100px 0;
    background: var(--color-bg-dark);
    border-top: var(--glass-border);
}

.catalog-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
    background: var(--color-bg-glass);
    border: var(--glass-border);
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    backdrop-filter: blur(12px);
}

.search-input-wrapper {
    flex: 1.8;
    min-width: 280px;
    position: relative;
}

.search-input-wrapper input {
    width: 100%;
    background: rgba(7, 13, 25, 0.6);
    border: var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 0.85rem 1.25rem 0.85rem 3rem;
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.search-input-wrapper input:focus {
    outline: none;
    border-color: var(--color-accent-gold);
    box-shadow: 0 0 0 3px rgba(197, 168, 128, 0.15);
}

.search-icon {
    position: absolute;
    left: 1.15rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.filter-select-wrapper {
    flex: 1.2;
    min-width: 220px;
}

.filter-select-wrapper select {
    width: 100%;
    background: rgba(7, 13, 25, 0.6);
    border: var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 0.85rem 1.25rem;
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.25rem center;
    background-size: 1.2rem;
    padding-right: 3rem;
}

.filter-select-wrapper select:focus {
    outline: none;
    border-color: var(--color-accent-gold);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    min-height: 200px;
}

.program-card {
    background: var(--color-bg-card);
    border: var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 1.75rem;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.5rem; /* Separación simétrica */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.program-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent); /* Borde dinámico según el acento elegido */
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.program-badge {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: var(--color-accent-alpha);
    color: var(--color-accent); /* Color de texto del acento dinámico */
    border: 1px solid var(--color-accent-alpha);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    align-self: flex-start;
}

.program-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-card-title); /* Dinámico: Blanco puro en oscuro, Gris oscuro en claro */
    margin-bottom: 0.5rem;
}

.program-card .prog-code {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--color-card-code); /* Dinámico: Plata claro en oscuro, Gris fuerte en claro */
}

.program-card .prog-code strong {
    color: var(--color-accent-cyan);
}

.btn-validate-demo {
    background: rgba(255, 255, 255, 0.05);
    border: var(--glass-border);
    color: var(--color-text-light);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 100%;
    transition: var(--transition-smooth);
}

.btn-validate-demo:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-dark);
    border-color: var(--color-accent-gold);
}

/* No resultados */
.no-results-box {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--color-bg-glass);
    border: var(--glass-border);
    border-radius: var(--border-radius-md);
    margin-top: 2rem;
    animation: fadeIn 0.4s ease-out;
}

.no-results-icon {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.no-results-box h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
}

.no-results-box p {
    color: var(--color-text-muted);
}

/* ==========================================================================
   CONTACTO
   ========================================================================== */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, #0a1120 100%);
    border-top: var(--glass-border);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.contact-tag {
    color: var(--color-accent-gold);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    display: block;
}

.contact-info h2 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.contact-bullet-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.bullet-item {
    display: flex;
    gap: 1rem;
}

.bullet-icon {
    width: 24px;
    height: 24px;
    background: rgba(197, 168, 128, 0.15);
    color: var(--color-accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    font-size: 0.85rem;
}

.bullet-item div {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.bullet-item strong {
    color: var(--color-text-light);
    display: block;
    margin-bottom: 0.25rem;
}

/* Tarjeta Formulario */
.contact-card {
    background: var(--color-bg-card);
    border: var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: var(--glass-shadow);
}

.contact-card h3 {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.contact-card-icon-box {
    display: inline-flex;
    padding: 1.25rem;
    background: rgba(197, 168, 128, 0.1);
    border: var(--gold-border);
    border-radius: 50%;
    margin-bottom: 1.5rem;
    color: var(--color-accent-gold);
}

.form-redirect-box {
    background: rgba(7, 13, 25, 0.4);
    border: var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.redirect-hint {
    font-size: 0.85rem !important;
    color: var(--color-text-muted) !important;
    margin-bottom: 1.25rem !important;
    line-height: 1.5;
}

.secure-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    border: var(--glass-border);
}

.contact-form-el {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.contact-form-el input, .contact-form-el textarea {
    background: rgba(7, 13, 25, 0.5);
    border: var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 0.85rem 1.25rem;
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    width: 100%;
}

.contact-form-el input:focus, .contact-form-el textarea:focus {
    outline: none;
    border-color: var(--color-accent-gold);
    background: rgba(7, 13, 25, 0.7);
}

.contact-success-alert {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--color-success-bg);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--border-radius-sm);
    color: var(--color-success);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    animation: fadeIn 0.3s ease-out;
}

.success-icon-svg {
    flex-shrink: 0;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    background: #040810;
    border-top: var(--glass-border);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 60px;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 1.5rem;
}

.footer-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.footer-links h4, .footer-contact h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-accent-gold);
    transform: translateX(3px);
}

.footer-contact p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.footer-contact a {
    color: var(--color-accent-gold);
}

.footer-bottom {
    border-top: var(--glass-border);
    padding: 2rem 0;
    background: #020408;
}

.bottom-container {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.crypto-seal {
    color: var(--color-accent-gold);
    font-weight: 700;
}

/* ==========================================================================
   ANIMACIONES
   ========================================================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes laserScan {
    0%, 100% { top: 15%; }
    50% { top: 85%; }
}

@keyframes pulseScan {
    0% {
        transform: scale(0.9);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.15);
        opacity: 0.2;
    }
    100% {
        transform: scale(0.9);
        opacity: 0.8;
    }
}

@keyframes floatQr {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(2deg); }
}

/* ==========================================================================
   RESPONSIVIDAD Y MEDIA QUERIES (Totalmente Adaptable)
   ========================================================================== */

/* Tablets Grandes y Portátiles Pequeños (Hasta 1024px) */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
        width: 100%;
    }
    .benefits-grid, .programs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

/* Tablets Medianas y Menú Responsivo (Hasta 768px) */
@media (max-width: 768px) {
    /* Menu Hamburguesa */
    .hamburger {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--color-bg-dark);
        border-top: var(--glass-border);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
        transition: var(--transition-smooth);
        z-index: 1005;
        padding-bottom: 80px;
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-item {
        font-size: 1.25rem;
    }
    
    /* Hamburger animada al activar */
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Hero */
    .hero-content h1 {
        font-size: 2.75rem;
    }
    
    /* Validador */
    .validator-card-glass {
        padding: 2rem 1.5rem;
    }
    .input-with-button {
        flex-direction: column;
    }
    .btn-search-code {
        width: 100%;
    }
    .qr-scanner-simulator {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .scanner-camera-container {
        max-width: 280px;
        margin: 0 auto;
    }

    /* Ficha de Validación Responsiva */
    .validation-details-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem 1rem;
    }
    .validation-info-sheet {
        padding: 1.5rem;
    }
    
    /* Controles de personalización responsivos en menú móvil */
    .customization-controls {
        border-left: none !important;
        border-top: var(--glass-border) !important;
        padding-left: 0 !important;
        padding-top: 1.5rem !important;
        margin: 1rem 0 !important;
        width: 80%;
        justify-content: center;
        gap: 1.5rem !important;
    }
}

/* Teléfonos Pequeños (Hasta 480px) */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    .hero-content h1 {
        font-size: 2.25rem;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
    .benefits-grid, .programs-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .contact-card {
        padding: 2rem 1.25rem;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .bottom-container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

/* ==========================================================================
   ESTILOS DE IMPRESIÓN DEL CERTIFICADO (Detalle Premium)
   ========================================================================== */
@media print {
    /* Ocultar todo el sitio excepto el certificado */
    body * {
        visibility: hidden;
    }
    
    #certToPrint, #certToPrint * {
        visibility: visible;
    }
    
    body {
        background: white !important;
    }
    
    #certToPrint {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        max-width: 100%;
        box-shadow: none;
        padding: 0;
        margin: 0;
        background: white;
    }
    
    .cert-gold-border {
        border: 12px double #c5a880 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* ==========================================================================
   ESTILOS DE BOTÓN DE LOGIN ADMINISTRATIVO
   ========================================================================== */
.btn-login-nav {
    background: rgba(59, 130, 246, 0.1) !important;
    color: var(--color-primary-light) !important;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    padding: 0.5rem 1.25rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
}

.btn-login-nav:hover {
    background: var(--color-primary-light) !important;
    color: var(--color-text-light) !important;
    border-color: var(--color-primary-light) !important;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* ==========================================================================
   SISTEMA DE CARRITO FLOTANTE Y MODAL DE WHATSAPP
   ========================================================================== */

/* Botón Flotante */
.cart-floating-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-accent-gold) 0%, #b09166 100%);
    color: var(--color-bg-dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(197, 168, 128, 0.4);
    z-index: 999;
    transition: var(--transition-smooth);
}

.cart-floating-btn:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 15px 35px rgba(197, 168, 128, 0.6);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-danger);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-bg-dark);
}

/* Overlay del Modal */
.cart-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 8, 16, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.cart-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Tarjeta del Modal */
.cart-modal-card {
    background: var(--color-bg-card);
    border: var(--glass-border);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 550px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--glass-shadow);
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.cart-modal-overlay.active .cart-modal-card {
    transform: scale(1);
}

.cart-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: var(--glass-border);
}

.cart-modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: var(--color-accent-gold);
}

.cart-modal-close {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    line-height: 1;
}

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

.cart-modal-body {
    padding: 2rem;
}

/* Elementos del Carrito */
.cart-items-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 1rem 1.25rem;
    gap: 1.5rem;
}

.cart-item-info h5 {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.cart-item-info span {
    font-size: 0.75rem;
    color: var(--color-accent-cyan);
}

.cart-item-remove {
    background: transparent;
    border: none;
    color: var(--color-danger);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.cart-item-remove:hover {
    background: var(--color-danger-bg);
}

.cart-empty-message {
    text-align: center;
    padding: 3rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.empty-icon {
    color: var(--color-text-muted);
}

.cart-empty-message p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Formulario de Checkout */
.cart-checkout-form {
    border-top: var(--glass-border);
    padding-top: 2rem;
    margin-top: 1.5rem;
}

.cart-checkout-form h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: var(--color-text-light);
}

.btn-send-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    border: none;
    margin-top: 1rem;
}

.btn-send-whatsapp:hover {
    background: linear-gradient(135deg, #34e073 0%, #149c8c 100%);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
    transform: translateY(-2px);
}

/* Botón Añadir al Carrito en Catálogo */
.btn-add-to-cart {
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    color: #FFFFFF;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.7rem 1.25rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    transition: var(--transition-smooth);
}

.btn-add-to-cart:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: #FFFFFF;
}

.btn-add-to-cart.btn-in-cart {
    background: rgba(16, 185, 129, 0.12) !important;
    border-color: rgba(16, 185, 129, 0.3) !important;
    color: var(--color-success) !important;
}

.btn-add-to-cart.btn-in-cart:hover {
    background: var(--color-danger-bg) !important;
    border-color: rgba(239, 68, 68, 0.3) !important;
    color: var(--color-danger) !important;
}

#downloadPdfBtn:hover {
    background: var(--color-accent-alpha) !important;
    border-color: var(--color-accent) !important;
    color: var(--color-accent) !important;
}

@media (max-width: 768px) {
    .cart-floating-btn {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 50px;
        height: 50px;
    }
}