/* ==============================================
   ARCANIS - CONSULTORIA E ESTRATÉGIAS TECNOLÓGICAS
   Modern Design with Alternating Light/Dark Sections
   ============================================== */

/* CSS Variables */
:root {
    /* Primary Colors - Paleta Azul/Cyan */
    --primary-navy: #1a2332;
    --primary-dark: #0f1419;
    --primary-cyan: #00D9FF;
    --secondary-blue: #0099CC;
    --accent-blue: #0077B6;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    
    /* Backgrounds */
    --bg-dark: #0f1419;
    --bg-navy: #1a2332;
    --bg-light: #F8FAFC;
    --bg-white: #FFFFFF;
    
    /* Gradients - Apenas tons de azul */
    --gradient-primary: linear-gradient(135deg, #00D9FF 0%, #0099CC 100%);
    --gradient-cyan: linear-gradient(135deg, #00D9FF 0%, #0099CC 100%);
    --gradient-dark: linear-gradient(135deg, #1a2332 0%, #0f1419 100%);
    --gradient-blue: linear-gradient(135deg, #00D9FF 0%, #0077B6 100%);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    
    /* Transitions */
    --transition: 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-cyan: 0 0 30px rgba(0, 217, 255, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-light);
    color: var(--gray-900);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-secondary);
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-cyan);
    color: var(--white);
    box-shadow: var(--shadow-cyan);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    position: relative;
    height: 50px;
    width: 200px; /* Largura aumentada para comportar melhor o logo */
    display: flex;
    align-items: center;
}

.logo img {
    height: auto;
    max-height: 50px;
    width: auto;
    max-width: 200px;
    transition: opacity 0.4s ease, visibility 0.4s ease, max-height 0.3s ease;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

/* Logo claro visível em seções escuras (padrão) */
.logo-light {
    opacity: 1;
    visibility: visible;
}

.logo-dark {
    opacity: 0;
    visibility: hidden;
}

/* Logo escuro visível em seções claras */
.navbar.on-light-section .logo-light {
    opacity: 0;
    visibility: hidden;
}

.navbar.on-light-section .logo-dark {
    opacity: 1;
    visibility: visible;
}

.navbar.scrolled .logo {
    height: 40px;
}

.navbar.scrolled .logo img {
    max-height: 40px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--white);
    position: relative;
}

.navbar.scrolled .nav-link {
    color: var(--gray-900);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-cyan);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.btn-nav {
    padding: 12px 28px;
    background: var(--gradient-cyan);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    box-shadow: var(--shadow-cyan);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

.navbar.scrolled .hamburger span {
    background: var(--gray-900);
}

/* Hero Section - DARK */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 60px;
    background: var(--bg-dark);
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 217, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(29, 233, 182, 0.15) 0%, transparent 50%);
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15, 20, 25, 0.95) 0%, rgba(26, 35, 50, 0.98) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 50px;
    color: var(--primary-cyan);
    font-weight: 600;
    margin-bottom: 30px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 30px;
    color: var(--white);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--gray-300);
    margin-bottom: 40px;
    max-width: 700px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 60px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 80px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: var(--transition);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-cyan);
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-cyan);
    border-radius: 15px;
    font-size: 1.5rem;
}

.stat-content h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 5px;
}

.stat-content p {
    font-size: 0.9rem;
    color: var(--gray-400);
    margin: 0;
}

/* Sobre Section - LIGHT */
.sobre {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.sobre-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.sobre-text {
    color: var(--gray-700);
}

.sobre-intro {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 25px;
    line-height: 1.8;
}

.sobre-features {
    display: grid;
    gap: 20px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-light);
    border-left: 3px solid var(--primary-cyan);
    border-radius: 10px;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-sm);
}

.feature-item i {
    color: var(--primary-cyan);
    font-size: 1.5rem;
}

.feature-item span {
    font-weight: 600;
    color: var(--gray-900);
}

/* Section Header */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 50px;
    color: var(--primary-cyan);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
}

/* Serviços Section - LIGHT with DARK CARDS */
.servicos {
    padding: var(--section-padding) 0;
    background: var(--bg-light);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.servico-card {
    position: relative;
    padding: 40px;
    background: var(--bg-navy);
    border: 2px solid transparent;
    border-radius: 20px;
    transition: var(--transition);
    color: var(--white);
}

.servico-card:hover {
    border-color: var(--primary-cyan);
    transform: translateY(-10px);
    box-shadow: var(--shadow-cyan);
}

.servico-card.featured {
    border-color: var(--primary-cyan);
    background: var(--gradient-dark);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 16px;
    background: var(--gradient-cyan);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 20px;
}

.servico-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-cyan);
    border-radius: 20px;
    font-size: 2rem;
    margin-bottom: 25px;
}

.servico-card h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 15px;
}

.servico-card p {
    color: var(--gray-300);
    margin-bottom: 25px;
    line-height: 1.7;
}

.servico-list {
    list-style: none;
    margin-bottom: 30px;
}

.servico-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--gray-300);
}

.servico-list i {
    color: var(--primary-cyan);
}

.servico-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-cyan);
    font-weight: 600;
}

.servico-link:hover {
    gap: 15px;
}

/* Diferenciais Section - DARK */
.diferenciais {
    padding: var(--section-padding) 0;
    background: var(--bg-dark);
    color: var(--white);
}

.diferenciais .section-description {
    color: var(--gray-400);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.diferencial-card {
    position: relative;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: var(--transition);
}

.diferencial-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-cyan);
    transform: translateY(-10px);
}

.diferencial-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 4rem;
    font-weight: 900;
    color: rgba(0, 217, 255, 0.1);
}

.diferencial-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 217, 255, 0.1);
    border-radius: 15px;
    font-size: 1.8rem;
    color: var(--primary-cyan);
    margin-bottom: 25px;
}

.diferencial-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.diferencial-card p {
    color: var(--gray-400);
    line-height: 1.7;
}

.beneficios-wrapper {
    padding: 50px;
    background: rgba(0, 217, 255, 0.05);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 20px;
}

.beneficios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.beneficio-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.beneficio-item i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-cyan);
    border-radius: 12px;
    font-size: 1.3rem;
}

.beneficio-item h4 {
    font-size: 1.125rem;
    margin-bottom: 5px;
}

.beneficio-item p {
    font-size: 0.9rem;
    color: var(--gray-400);
    margin: 0;
}

/* Contato Section - LIGHT */
.contato {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.contato-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contato-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--bg-light);
    border: 1px solid var(--gray-200);
    border-radius: 15px;
    transition: var(--transition);
}

.info-card:hover {
    border-color: var(--primary-cyan);
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.info-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-cyan);
    border-radius: 12px;
    font-size: 1.5rem;
    color: var(--white);
}

.info-text h4 {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.info-text a,
.info-text p {
    font-size: 1.05rem;
    color: var(--gray-900);
    margin: 0;
}

/* WhatsApp Styles */
.whatsapp-card {
    background: var(--gradient-primary) !important;
    border-color: var(--primary-cyan) !important;
}

.whatsapp-card .info-text h4,
.whatsapp-card .info-text a {
    color: var(--white);
}

.whatsapp-qr-card {
    padding: 25px;
    background: var(--bg-light);
    border: 1px solid var(--gray-200);
    border-radius: 15px;
    text-align: center;
}

.whatsapp-qr-card img {
    width: 100%;
    max-width: 200px;
    margin: 0 auto 15px;
    border-radius: 10px;
}

.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.4);
    z-index: 998;
    animation: whatsappPulse 2s ease-in-out infinite;
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 15px rgba(37, 211, 102, 0.1); }
}

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

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--white);
    color: var(--gray-900);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-10px);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-cyan);
    border-color: transparent;
    color: var(--white);
    transform: translateY(-5px);
}

.contato-form-wrapper {
    padding: 50px;
    background: var(--bg-light);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
}

.contato-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 10px;
    display: block;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    color: var(--gray-900);
    font-family: var(--font-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer - DARK */
.footer {
    background: var(--bg-navy);
    padding: 60px 0 30px;
    color: var(--white);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo img {
    height: 50px;
    width: auto;
    display: block;
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.7;
}

.footer-column h4 {
    font-size: 1.125rem;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-400);
    transition: var(--transition);
}

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    color: var(--gray-400);
}

.footer-contact i {
    color: var(--primary-cyan);
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--gradient-cyan);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-cyan);
    border: none;
    border-radius: 12px;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-cyan);
}

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

.scroll-top:hover {
    transform: translateY(-5px);
}

/* Responsive */
@media (max-width: 1024px) {
    .servicos-grid,
    .diferenciais-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .sobre-content,
    .contato-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        padding: 60px 40px;
        transition: var(--transition);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu .nav-link {
        color: var(--gray-900);
    }
    
    .hamburger {
        display: flex;
    }
    
    .logo {
        width: 150px;
    }
    
    .logo img {
        max-width: 150px;
        max-height: 40px;
    }
    
    .navbar.scrolled .logo img {
        max-height: 35px;
    }
    
    .hero-buttons,
    .form-row {
        flex-direction: column;
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        bottom: 90px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px;
    }
    
    .hero {
        padding: 100px 0 40px;
    }
    
    .servicos-grid {
        grid-template-columns: 1fr;
    }
    
    .beneficios-wrapper {
        padding: 30px 20px;
    }
    
    .contato-form-wrapper {
        padding: 30px;
    }
}