/* ============================================================
   TEMA CUBOS GÁS
   Design System Premium com paleta oficial Cubos Gás
   
   Paleta Oficial:
   - Azul: #000FFF (institucional)
   - Cian: #00FFFF (destaque tecnológico)
   - Verde: #00FF00 (ação/WhatsApp)
   - Cinza: #BBBCBC (neutro)
   - Branco: #FFFFFF
   - Preto: #000000
   
   @author Roka Digital - https://rokadigital.com.br/contato/
   ============================================================ */

/* ===== CSS CUSTOM PROPERTIES (TOKENS) ===== */
:root {
    /* Cores Cubos Gás */
    --u-blue: #000FFF;
    --u-blue-dark: #000CCC;
    --u-blue-darker: #000999;
    --u-blue-light: #3333FF;
    --u-blue-lighter: #6666FF;
    --u-blue-50: #E6E8FF;
    --u-blue-100: #CCCDFF;

    --u-cyan: #00FFFF;
    --u-cyan-dark: #00CCCC;
    --u-cyan-darker: #009999;
    --u-cyan-light: #33FFFF;
    --u-cyan-50: #E6FFFF;

    --u-green: #00FF00;
    --u-green-dark: #00CC00;
    --u-green-darker: #009900;
    --u-green-light: #33FF33;
    --u-green-50: #E6FFE6;

    --u-gray: #BBBCBC;
    --u-gray-dark: #888888;
    --u-gray-light: #E5E5E5;
    --u-gray-lighter: #F5F5F5;
    --u-gray-50: #FAFAFA;

    --u-white: #FFFFFF;
    --u-black: #000000;

    /* Gradientes Oficiais */
    --u-gradient-blue-cyan: linear-gradient(135deg, #000FFF 0%, #00FFFF 100%);
    --u-gradient-green-cyan: linear-gradient(135deg, #00FF00 0%, #00FFFF 100%);
    --u-gradient-blue-dark: linear-gradient(135deg, #000FFF 0%, #000999 100%);
    --u-gradient-hero: linear-gradient(135deg, rgba(0, 15, 255, 0.95) 0%, rgba(0, 12, 204, 0.9) 50%, rgba(0, 153, 153, 0.85) 100%);

    /* Sombras Premium */
    --u-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --u-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --u-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --u-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --u-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --u-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --u-shadow-glow-blue: 0 0 20px rgba(0, 15, 255, 0.3);
    --u-shadow-glow-cyan: 0 0 20px rgba(0, 255, 255, 0.3);
    --u-shadow-glow-green: 0 0 20px rgba(0, 255, 0, 0.3);

    /* Tipografia */
    --u-font-display: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --u-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Transições */
    --u-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --u-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --u-transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --u-radius-sm: 0.375rem;
    --u-radius: 0.5rem;
    --u-radius-md: 0.75rem;
    --u-radius-lg: 1rem;
    --u-radius-xl: 1.5rem;
    --u-radius-2xl: 2rem;
    --u-radius-full: 9999px;

    /* Z-Index */
    --u-z-dropdown: 1000;
    --u-z-sticky: 1020;
    --u-z-fixed: 1030;
    --u-z-modal-backdrop: 1040;
    --u-z-modal: 1050;
    --u-z-popover: 1060;
    --u-z-tooltip: 1070;
}

/* ===== HEADER INSTITUCIONAL CUBOS GÁS ===== */

/* Topbar */
.u-topbar {
    background: var(--u-blue);
    color: var(--u-white);
    font-size: 0.875rem;
    padding: 0.5rem 0;
    position: relative;
    z-index: var(--u-z-sticky);
}

.u-topbar a {
    color: var(--u-white);
    text-decoration: none;
    transition: color var(--u-transition-fast);
}

.u-topbar a:hover {
    color: var(--u-cyan);
}

.u-topbar-icon {
    width: 1rem;
    height: 1rem;
    opacity: 0.8;
}

/* Navbar Principal */
.u-navbar {
    background: var(--u-white);
    border-bottom: 1px solid var(--u-gray-light);
    position: sticky;
    top: 0;
    z-index: var(--u-z-sticky);
    transition: box-shadow var(--u-transition);
}

.u-navbar.scrolled {
    box-shadow: var(--u-shadow-lg);
}

.u-navbar-container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 1.25rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

@media (min-width: 640px) {
    .u-navbar-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .u-navbar-container {
        padding: 0 2rem;
    }
}

/* Logo */
.u-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.u-logo img {
    height: 3.5rem;
    width: auto;
    object-fit: contain;
}

@media (min-width: 768px) {
    .u-logo img {
        height: 4rem;
    }
}

@media (min-width: 1024px) {
    .u-logo img {
        height: 4.5rem;
    }
}

/* Logo Block com Localização */
.u-logo-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
    gap: 0.35rem;
}

.u-logo-img {
    height: 3.5rem;
    width: auto;
    object-fit: contain;
}

@media (min-width: 768px) {
    .u-logo-img {
        height: 4.5rem;
    }
}

@media (min-width: 1024px) {
    .u-logo-img {
        height: 5.5rem;
    }
}

.u-logo-location {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: #1F2937;
    margin-top: 0.15rem;
    transition: color var(--u-transition-fast);
}

.u-logo-location i {
    color: var(--u-blue);
    flex-shrink: 0;
}

.u-logo-block:hover .u-logo-location {
    color: var(--u-blue);
}

@media (min-width: 768px) {
    .u-logo-location {
        font-size: 0.8125rem;
    }
}

/* Menu de Navegação */
.u-nav-menu {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

@media (min-width: 1024px) {
    .u-nav-menu {
        display: flex;
    }
}

.u-nav-link {
    position: relative;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: #1F2937;
    text-decoration: none;
    transition: color var(--u-transition-fast);
    border-radius: var(--u-radius);
}

.u-nav-link:hover {
    color: var(--u-blue);
    background: var(--u-blue-50);
}

.u-nav-link.active {
    color: var(--u-blue);
}

.u-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--u-gradient-blue-cyan);
    border-radius: var(--u-radius-full);
}

/* CTAs do Header */
.u-header-ctas {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Botão WhatsApp Premium */
.u-btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--u-green);
    color: var(--u-white);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--u-radius-full);
    text-decoration: none;
    transition: all var(--u-transition);
    box-shadow: var(--u-shadow-md);
    border: 2px solid transparent;
}

.u-btn-whatsapp:hover {
    background: var(--u-green-dark);
    transform: translateY(-2px);
    box-shadow: var(--u-shadow-lg), var(--u-shadow-glow-green);
}

.u-btn-whatsapp svg,
.u-btn-whatsapp i {
    width: 1.25rem;
    height: 1.25rem;
}

/* Botão Ligar */
.u-btn-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--u-blue);
    color: var(--u-white);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--u-radius-full);
    text-decoration: none;
    transition: all var(--u-transition);
    box-shadow: var(--u-shadow-md);
}

.u-btn-phone:hover {
    background: var(--u-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--u-shadow-lg), var(--u-shadow-glow-blue);
}

/* Menu Mobile Toggle */
.u-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--u-radius);
    color: #374151;
    cursor: pointer;
    transition: all var(--u-transition-fast);
}

.u-mobile-toggle:hover {
    background: var(--u-gray-lighter);
    color: var(--u-blue);
}

@media (min-width: 1024px) {
    .u-mobile-toggle {
        display: none;
    }
}

/* Menu Mobile Drawer */
.u-mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--u-z-modal);
}

.u-mobile-menu.active {
    display: block;
}

.u-mobile-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.u-mobile-drawer {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 20rem;
    height: 100%;
    background: var(--u-white);
    box-shadow: var(--u-shadow-2xl);
    transform: translateX(100%);
    transition: transform var(--u-transition);
    overflow-y: auto;
}

.u-mobile-menu.active .u-mobile-drawer {
    transform: translateX(0);
}

.u-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--u-gray-light);
}

.u-mobile-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--u-gray-lighter);
    border: none;
    border-radius: var(--u-radius-full);
    color: #374151;
    cursor: pointer;
    transition: all var(--u-transition-fast);
}

.u-mobile-close:hover {
    background: var(--u-blue-50);
    color: var(--u-blue);
}

.u-mobile-nav {
    padding: 1rem 0;
}

.u-mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: #374151;
    text-decoration: none;
    transition: all var(--u-transition-fast);
}

.u-mobile-nav-link:hover {
    background: var(--u-blue-50);
    color: var(--u-blue);
}

.u-mobile-nav-link i {
    width: 1.25rem;
    height: 1.25rem;
    opacity: 0.7;
}

.u-mobile-ctas {
    padding: 1.5rem;
    border-top: 1px solid var(--u-gray-light);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.u-mobile-info {
    padding: 1rem 1.5rem;
    background: var(--u-gray-50);
    border-top: 1px solid var(--u-gray-light);
}

.u-mobile-info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
    color: #6B7280;
}

.u-mobile-info-item i {
    width: 1rem;
    height: 1rem;
    color: var(--u-blue);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

/* ===== HERO SECTION PREMIUM ===== */
.u-hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.u-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.u-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.65) 0%, rgba(0, 0, 0, 0.55) 50%, rgba(0, 0, 0, 0.45) 100%);
}

.u-hero-content {
    position: relative;
    z-index: 10;
    max-width: 80rem;
    margin: 0 auto;
    padding: 6rem 1rem 5rem;
}

@media (min-width: 640px) {
    .u-hero-content {
        padding: 5rem 1.5rem;
    }
}

@media (min-width: 1024px) {
    .u-hero-content {
        padding: 5rem 2rem;
    }
}

.u-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--u-radius-full);
    color: var(--u-white);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.u-hero-badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    background: var(--u-green);
    border-radius: var(--u-radius-full);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.u-hero-title {
    font-family: var(--u-font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--u-white);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .u-hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 768px) {
    .u-hero-title {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .u-hero-title {
        font-size: 4rem;
    }
}

.u-hero-title-accent {
    display: block;
    background: var(--u-gradient-green-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.u-hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 36rem;
}

@media (min-width: 768px) {
    .u-hero-subtitle {
        font-size: 1.25rem;
    }
}

.u-hero-ctas {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 3rem;
}

@media (min-width: 640px) {
    .u-hero-ctas {
        flex-direction: row;
    }
}

/* Botão CTA Principal Hero */
.u-btn-hero-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--u-green);
    color: var(--u-white);
    font-weight: 700;
    font-size: 1.125rem;
    border-radius: var(--u-radius-xl);
    text-decoration: none;
    transition: all var(--u-transition);
    box-shadow: var(--u-shadow-xl);
}

.u-btn-hero-primary:hover {
    background: var(--u-green-dark);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--u-shadow-2xl), var(--u-shadow-glow-green);
}

/* Botão CTA Secundário Hero (Azul Ultragaz) */
.u-btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--u-blue);
    color: var(--u-white);
    font-weight: 700;
    font-size: 1.125rem;
    border: 2px solid var(--u-blue);
    border-radius: var(--u-radius-xl);
    text-decoration: none;
    transition: all var(--u-transition);
    box-shadow: var(--u-shadow-xl);
}

.u-btn-hero-secondary:hover {
    background: var(--u-blue-dark);
    border-color: var(--u-blue-dark);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--u-shadow-2xl), var(--u-shadow-glow-blue);
}

/* Trust Badges */
.u-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.u-trust-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
}

.u-trust-badge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--u-radius-full);
}

.u-trust-badge-icon i {
    width: 1.25rem;
    height: 1.25rem;
}

.u-trust-badge-icon.green i {
    color: var(--u-green);
}

.u-trust-badge-icon.cyan i {
    color: var(--u-cyan);
}

.u-trust-badge-icon.yellow i {
    color: #FBBF24;
}

.u-trust-badge-text {
    font-size: 0.875rem;
    font-weight: 500;
}

/* ===== CARDS DE PRODUTOS PREMIUM ===== */
.u-product-card {
    position: relative;
    background: var(--u-white);
    border-radius: var(--u-radius-2xl);
    overflow: hidden;
    box-shadow: var(--u-shadow-md);
    transition: all var(--u-transition);
    border: 1px solid var(--u-gray-light);
}

.u-product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--u-shadow-xl), 0 0 0 1px var(--u-cyan);
}

.u-product-card-image {
    position: relative;
    padding: 2rem;
    background: linear-gradient(135deg, var(--u-blue-50) 0%, var(--u-cyan-50) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 12rem;
}

.u-product-card-image img {
    max-width: 100%;
    max-height: 10rem;
    object-fit: contain;
    transition: transform var(--u-transition);
}

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

.u-product-card-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.75rem;
    background: var(--u-green);
    color: var(--u-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--u-radius-full);
    box-shadow: var(--u-shadow);
}

.u-product-card-content {
    padding: 1.5rem;
}

.u-product-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.u-product-card-description {
    font-size: 0.875rem;
    color: #6B7280;
    margin-bottom: 1rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.u-product-card-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--u-blue);
    margin-bottom: 1rem;
}

.u-product-card-price small {
    font-size: 0.875rem;
    font-weight: 500;
    color: #9CA3AF;
}

.u-product-card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.u-product-card-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--u-radius-lg);
    text-decoration: none;
    transition: all var(--u-transition-fast);
}

.u-product-card-btn-primary {
    background: var(--u-green);
    color: var(--u-white);
}

.u-product-card-btn-primary:hover {
    background: var(--u-green-dark);
    transform: translateY(-2px);
}

.u-product-card-btn-secondary {
    background: var(--u-blue-50);
    color: var(--u-blue);
}

.u-product-card-btn-secondary:hover {
    background: var(--u-blue-100);
    transform: translateY(-2px);
}

/* Skeleton Loading */
.u-skeleton {
    background: linear-gradient(90deg, var(--u-gray-lighter) 25%, var(--u-gray-light) 50%, var(--u-gray-lighter) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--u-radius);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.u-skeleton-card {
    background: var(--u-white);
    border-radius: var(--u-radius-2xl);
    overflow: hidden;
    box-shadow: var(--u-shadow-md);
}

.u-skeleton-image {
    height: 12rem;
    background: var(--u-gray-lighter);
}

.u-skeleton-content {
    padding: 1.5rem;
}

.u-skeleton-title {
    height: 1.5rem;
    margin-bottom: 0.75rem;
    width: 80%;
}

.u-skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    width: 100%;
}

.u-skeleton-text-sm {
    height: 1rem;
    width: 60%;
}

.u-skeleton-price {
    height: 2rem;
    width: 40%;
    margin: 1rem 0;
}

.u-skeleton-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.u-skeleton-btn {
    height: 2.75rem;
    border-radius: var(--u-radius-lg);
}

/* ===== SEÇÕES PREMIUM ===== */
.u-section {
    padding: 5rem 0;
}

@media (min-width: 768px) {
    .u-section {
        padding: 6rem 0;
    }
}

.u-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.u-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--u-blue-50);
    color: var(--u-blue);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--u-radius-full);
    margin-bottom: 1rem;
}

.u-section-title {
    font-family: var(--u-font-display);
    font-size: 2rem;
    font-weight: 800;
    color: #1F2937;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .u-section-title {
        font-size: 2.5rem;
    }
}

.u-section-subtitle {
    font-size: 1.125rem;
    color: #6B7280;
    max-width: 42rem;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== CARDS DE DIFERENCIAIS ===== */
.u-benefit-card {
    position: relative;
    padding: 2rem;
    background: var(--u-white);
    border-radius: var(--u-radius-2xl);
    border: 1px solid var(--u-gray-light);
    transition: all var(--u-transition);
}

.u-benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--u-shadow-xl);
    border-color: var(--u-cyan);
}

.u-benefit-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    background: var(--u-blue-50);
    border-radius: var(--u-radius-xl);
    margin-bottom: 1.5rem;
    transition: all var(--u-transition);
}

.u-benefit-card:hover .u-benefit-card-icon {
    background: var(--u-blue);
}

.u-benefit-card-icon i {
    width: 1.75rem;
    height: 1.75rem;
    color: var(--u-blue);
    transition: color var(--u-transition);
}

.u-benefit-card:hover .u-benefit-card-icon i {
    color: var(--u-white);
}

.u-benefit-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 0.5rem;
}

.u-benefit-card-text {
    font-size: 0.9375rem;
    color: #6B7280;
    line-height: 1.6;
}

/* Variantes de cor */
.u-benefit-card.green .u-benefit-card-icon {
    background: var(--u-green-50);
}

.u-benefit-card.green .u-benefit-card-icon i {
    color: var(--u-green-dark);
}

.u-benefit-card.green:hover .u-benefit-card-icon {
    background: var(--u-green);
}

.u-benefit-card.green:hover .u-benefit-card-icon i {
    color: var(--u-white);
}

.u-benefit-card.cyan .u-benefit-card-icon {
    background: var(--u-cyan-50);
}

.u-benefit-card.cyan .u-benefit-card-icon i {
    color: var(--u-cyan-dark);
}

.u-benefit-card.cyan:hover .u-benefit-card-icon {
    background: var(--u-cyan-dark);
}

.u-benefit-card.cyan:hover .u-benefit-card-icon i {
    color: var(--u-white);
}

/* ===== FAQ ACCORDION ===== */
.u-faq-item {
    background: var(--u-white);
    border-radius: var(--u-radius-xl);
    border: 1px solid var(--u-gray-light);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all var(--u-transition);
}

.u-faq-item:hover {
    border-color: var(--u-blue-100);
}

.u-faq-item.active {
    border-color: var(--u-blue);
    box-shadow: var(--u-shadow-md);
}

.u-faq-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background var(--u-transition-fast);
}

.u-faq-toggle:hover {
    background: var(--u-gray-50);
}

.u-faq-toggle:focus {
    outline: none;
    box-shadow: inset 0 0 0 2px var(--u-blue);
}

.u-faq-question {
    font-size: 1rem;
    font-weight: 600;
    color: #1F2937;
    padding-right: 1rem;
}

.u-faq-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    color: var(--u-blue);
    transition: transform var(--u-transition);
}

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

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

.u-faq-item.active .u-faq-content {
    max-height: 500px;
}

.u-faq-answer {
    padding: 0 1.5rem 1.5rem;
    font-size: 0.9375rem;
    color: #6B7280;
    line-height: 1.7;
}

/* ===== FOOTER INSTITUCIONAL ===== */
.u-footer {
    background: linear-gradient(to right, #00FF00, #00FFFF);
    color: var(--u-black);
    padding: 4rem 0 0;
}

.u-footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

@media (min-width: 640px) {
    .u-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .u-footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }
}

.u-footer-brand {
    max-width: 20rem;
}

.u-footer-logo {
    height: 4rem;
    width: auto;
    margin-bottom: 1rem;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.15));
}

.u-footer-description {
    font-size: 0.9375rem;
    color: rgba(0, 0, 0, 0.8);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.u-footer-social {
    display: flex;
    gap: 0.75rem;
}

.u-footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--u-radius-full);
    color: var(--u-blue);
    transition: all var(--u-transition);
}

.u-footer-social-link:hover {
    background: var(--u-green);
    transform: translateY(-3px);
}

.u-footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--u-black);
    margin-bottom: 1.25rem;
}

.u-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.u-footer-links li {
    margin-bottom: 0.75rem;
}

.u-footer-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: rgba(0, 0, 0, 0.8);
    text-decoration: none;
    transition: all var(--u-transition-fast);
}

.u-footer-links a:hover {
    color: var(--u-black);
    transform: translateX(4px);
    font-weight: 500;
}

.u-footer-links a i {
    width: 1rem;
    height: 1rem;
    opacity: 1;
    color: var(--u-blue);
}

.u-footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.u-footer-contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--u-radius);
    flex-shrink: 0;
}

.u-footer-contact-icon i {
    width: 1rem;
    height: 1rem;
    color: var(--u-blue);
}

.u-footer-contact-text {
    font-size: 0.9375rem;
    color: rgba(0, 0, 0, 0.9);
    line-height: 1.5;
}

.u-footer-contact-label {
    display: block;
    font-size: 0.75rem;
    color: rgba(0, 0, 0, 0.6);
    margin-top: 0.25rem;
}

.u-footer-bottom {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: 1.5rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

@media (min-width: 768px) {
    .u-footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.u-footer-copyright {
    font-size: 0.875rem;
    color: rgba(0, 0, 0, 0.7);
}

.u-footer-dev {
    font-size: 0.875rem;
    color: rgba(0, 0, 0, 0.7);
}

.u-footer-dev a {
    color: var(--u-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--u-transition-fast);
}

.u-footer-dev a:hover {
    color: var(--u-green);
}

/* ===== UTILITÁRIOS ===== */
.u-container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .u-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .u-container {
        padding: 0 2rem;
    }
}

/* Scroll suave com offset para header sticky */
html {
    scroll-padding-top: 5rem;
}

/* Animações AOS customizadas */
[data-aos="fade-up-premium"] {
    opacity: 0;
    transform: translateY(30px);
    transition-property: opacity, transform;
}

[data-aos="fade-up-premium"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Glow effect para elementos interativos */
.u-glow-blue:hover {
    box-shadow: var(--u-shadow-lg), var(--u-shadow-glow-blue);
}

.u-glow-cyan:hover {
    box-shadow: var(--u-shadow-lg), var(--u-shadow-glow-cyan);
}

.u-glow-green:hover {
    box-shadow: var(--u-shadow-lg), var(--u-shadow-glow-green);
}

/* Gradiente de texto */
.u-text-gradient {
    background: var(--u-gradient-blue-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Back to top button */
.u-back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
    background: var(--u-blue);
    color: var(--u-white);
    border: none;
    border-radius: var(--u-radius-full);
    box-shadow: var(--u-shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(1rem);
    transition: all var(--u-transition);
    z-index: var(--u-z-fixed);
    display: flex;
    align-items: center;
    justify-content: center;
}

.u-back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.u-back-to-top:hover {
    background: var(--u-blue-dark);
    transform: translateY(-3px);
    box-shadow: var(--u-shadow-xl), var(--u-shadow-glow-blue);
}

/* CTA Flutuante WhatsApp */
.u-whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    z-index: var(--u-z-fixed);
}

.u-whatsapp-float a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    background: var(--u-green);
    color: var(--u-white);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--u-radius-full);
    text-decoration: none;
    box-shadow: var(--u-shadow-xl);
    transition: all var(--u-transition);
}

.u-whatsapp-float a:hover {
    background: var(--u-green-dark);
    transform: scale(1.05);
    box-shadow: var(--u-shadow-2xl), var(--u-shadow-glow-green);
}

@media (max-width: 640px) {
    .u-whatsapp-float a span {
        display: none;
    }

    .u-whatsapp-float a {
        padding: 1rem;
        border-radius: var(--u-radius-full);
    }
}