/* ===================================
   ALFAMED - MODERN THEME
   Design moderno inspirado em sites premium
   =================================== */

/* ===== VARIÁVEIS CSS ===== */
:root {
    /* Cores Principais - Tema Médico/Saúde */
    --primary: #0066cc;
    --primary-dark: #004d99;
    --primary-light: #3385d6;
    --secondary: #00a86b;
    --secondary-dark: #008556;
    
    /* Cores Neutras */
    --background: #ffffff;
    --foreground: #1a1a1a;
    --card: #ffffff;
    --card-foreground: #1a1a1a;
    --muted: #f5f5f5;
    --muted-foreground: #666666;
    --border: #e0e0e0;
    
    /* Cores de Acento */
    --accent: #f0f9ff;
    --accent-foreground: #0066cc;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Raios de Borda */
    --radius: 0.75rem;
    --radius-sm: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== HEADER MODERNO ===== */
.modern-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

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

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-modern {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.logo-modern:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

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

.nav-modern a {
    color: var(--foreground);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-modern a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
}

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

.nav-modern a:hover::after {
    width: 100%;
}

.btn-primary-modern {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-xl);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.btn-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== MENU MOBILE ===== */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--foreground);
    font-size: 1.5rem;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-xl);
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

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

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--foreground);
    padding: 0.5rem;
}

.mobile-menu-nav {
    padding: 2rem 1.5rem;
}

.mobile-menu-nav a {
    display: block;
    padding: 1rem 0;
    color: var(--foreground);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    border-bottom: 1px solid var(--border);
    transition: var(--transition-fast);
}

.mobile-menu-nav a:hover {
    color: var(--primary);
    padding-left: 1rem;
}

.mobile-menu-actions {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ===== HERO SECTION ===== */
.hero-modern {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}

.hero-background {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 35px, var(--primary) 35px, var(--primary) 36px),
        repeating-linear-gradient(90deg, transparent, transparent 35px, var(--primary) 35px, var(--primary) 36px);
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--accent);
    border: 1px solid rgba(0, 102, 204, 0.2);
    border-radius: var(--radius-xl);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease-out;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--muted-foreground);
    max-width: 700px;
    margin: 0 auto 3rem;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.6s both;
}

.btn-hero {
    padding: 1rem 2rem;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1.125rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-hero-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border: none;
    box-shadow: var(--shadow-md);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-hero-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-hero-secondary:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 4rem;
    justify-content: center;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border);
    animation: fadeInUp 0.6s ease-out 0.8s both;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
}

.stat-label {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== SEÇÃO DE PRODUTOS ===== */
.products-section {
    padding: 6rem 2rem;
    background: var(--background);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--muted-foreground);
}

.products-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* ===== CARD DE PRODUTO MODERNO ===== */
.product-card-modern {
    background: var(--card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.product-image-container {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--muted);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card-modern:hover .product-image {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-badge.destaque {
    background: linear-gradient(135deg, #ff6b6b, #ff8e53);
}

.product-badge.novo {
    background: linear-gradient(135deg, var(--secondary), #00c97d);
}

.product-favorite {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.product-favorite:hover {
    background: white;
    transform: scale(1.1);
}

.product-favorite i {
    color: var(--muted-foreground);
    transition: var(--transition-fast);
}

.product-favorite.active i {
    color: #ff6b6b;
}

.product-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 0.75rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-description {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.product-features {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.feature-item i {
    color: var(--primary);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.product-price {
    display: flex;
    flex-direction: column;
}

.price-label {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.price-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

.price-value small {
    font-size: 1rem;
    font-weight: 600;
}

.btn-product {
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-product:hover {
    background: var(--primary-dark);
    transform: translateX(4px);
}

/* ===== FILTROS MODERNOS ===== */
.filters-modern {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    color: var(--foreground);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* ===== SEÇÃO DE SERVIÇOS ===== */
.services-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.service-icon.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.service-icon.secondary {
    background: linear-gradient(135deg, var(--secondary), #00c97d);
}

.service-icon.accent {
    background: linear-gradient(135deg, #ff6b6b, #ff8e53);
}

/* ===== SEÇÃO SOBRE ===== */
.about-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-box {
    display: flex;
    gap: 1rem;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    color: var(--primary);
    font-size: 1.25rem;
}

.about-image {
    position: relative;
    height: 500px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== FOOTER ===== */
.footer-modern {
    background: var(--foreground);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== BOTÃO FLUTUANTE WHATSAPP ===== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    box-shadow: var(--shadow-xl);
    cursor: pointer;
    transition: var(--transition);
    z-index: 999;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

/* ===== LOADING STATES ===== */
.skeleton {
    background: linear-gradient(90deg, var(--muted) 25%, #f0f0f0 50%, var(--muted) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== SCROLL TO TOP ===== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    background: var(--primary-dark);
}

/* ===== RESPONSIVO ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .nav-modern {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .btn-primary-modern {
        display: none;
    }

    .header-container {
        padding: 1rem;
    }

    .hero-modern {
        padding-top: 100px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-hero {
        width: 100%;
        justify-content: center;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .product-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-product {
        width: 100%;
        text-align: center;
    }

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

    .filters-modern {
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 1rem;
    }

    .filter-btn {
        white-space: nowrap;
    }

    .whatsapp-float {
        bottom: 1rem;
        right: 1rem;
        width: 55px;
        height: 55px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .product-image-container {
        height: 220px;
    }
}