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

:root {
    --cor-primaria: #1e3a5f;
    --cor-secundaria: #4a90c2;
    --cor-terciaria: #87ceeb;
    --cor-branco: #ffffff;
    --cor-cinza-claro: #f8f9fa;
    --cor-cinza: #6c757d;
    --cor-escuro: #212529;
    --cor-sucesso: #28a745;
    --cor-whatsapp: #25d366;
    --cor-gradiente-1: linear-gradient(135deg, #1e3a5f 0%, #4a90c2 100%);
    --cor-gradiente-2: linear-gradient(135deg, #4a90c2 0%, #87ceeb 100%);
    --sombra-elegante: 0 20px 60px rgba(30, 58, 95, 0.1);
    --sombra-hover: 0 30px 80px rgba(30, 58, 95, 0.15);
    --transicao-elegante: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-theme="dark"] {
    --cor-primaria: #87ceeb;
    --cor-secundaria: #4a90c2;
    --cor-terciaria: #1e3a5f;
    --cor-branco: #0f1b2e;
    --cor-cinza-claro: #1a2640;
    --cor-cinza: #b0b0b0;
    --cor-escuro: #f0f0f0;
    --cor-gradiente-1: linear-gradient(135deg, #0f1b2e 0%, #1a2640 100%);
    --cor-gradiente-2: linear-gradient(135deg, #87ceeb 0%, #4a90c2 100%);
    --sombra-elegante: 0 20px 60px rgba(0, 0, 0, 0.5);
    --sombra-hover: 0 30px 80px rgba(0, 0, 0, 0.6);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: var(--cor-escuro);
    background: var(--cor-branco);
    transition: var(--transicao-elegante);
    letter-spacing: -0.01em;
}

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

header {
    background: #ffffff;
    border-bottom: 1px solid rgba(74, 144, 194, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transicao-elegante);
}

[data-theme="dark"] header {
    background: #121A27;
    border-bottom: 1px solid rgba(135, 206, 235, 0.1);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    transition: var(--transicao-elegante);
    transform: scale(1);
}

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

[data-theme="dark"] .logo {
}

[data-theme="dark"] .logo:hover {
}

.logo img {
    height: 75px;
    width: auto;
}

.logo-claro {
    display: block !important;
}

.logo-escuro {
    display: none !important;
}

[data-theme="dark"] .logo-claro {
    display: none !important;
}

[data-theme="dark"] .logo-escuro {
    display: block !important;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--cor-escuro);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--cor-secundaria);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--cor-primaria);
    margin: 3px 0;
    transition: 0.3s;
}

.hero {
    background: var(--cor-gradiente-1);
    color: var(--cor-branco);
    padding: 180px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(135, 206, 235, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

[data-theme="dark"] .hero {
    color: var(--cor-escuro);
}

[data-theme="dark"] .sobre h2,
[data-theme="dark"] .produtos h2,
[data-theme="dark"] .contato h2 {
    color: var(--cor-primaria);
}

[data-theme="dark"] .servico h3,
[data-theme="dark"] .produto-content h3,
[data-theme="dark"] .contato-info h3 {
    color: var(--cor-primaria);
}

[data-theme="dark"] .footer-links h4,
[data-theme="dark"] .footer-social h4 {
    color: var(--cor-primaria);
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    line-height: 1.1;
}

.destaque {
    color: var(--cor-terciaria);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-principal, .btn-secundario {
    padding: 18px 36px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transicao-elegante);
    display: inline-block;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.btn-principal::before, .btn-secundario::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transicao-elegante);
}

.btn-principal:hover::before, .btn-secundario:hover::before {
    left: 100%;
}

.btn-principal {
    background: var(--cor-terciaria);
    color: var(--cor-primaria);
}

.btn-principal:hover {
    background: var(--cor-branco);
    transform: translateY(-2px);
}

.btn-secundario {
    background: transparent;
    color: var(--cor-branco);
    border: 2px solid var(--cor-branco);
}

.btn-secundario:hover {
    background: var(--cor-branco);
    color: var(--cor-primaria);
}

.sobre {
    padding: 100px 0;
    background: var(--cor-cinza-claro);
}

.sobre h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--cor-primaria);
}

.sobre-texto p {
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--cor-cinza);
}

.servicos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.servico {
    background: var(--cor-branco);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--sombra-elegante);
    transition: var(--transicao-elegante);
    border: 1px solid rgba(74, 144, 194, 0.1);
    position: relative;
    overflow: hidden;
}

.servico::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--cor-gradiente-2);
    opacity: 0;
    transition: var(--transicao-elegante);
}

.servico:hover {
    transform: translateY(-10px);
    box-shadow: var(--sombra-hover);
}

.servico:hover::before {
    opacity: 1;
}

.servico i {
    font-size: 3rem;
    color: var(--cor-secundaria);
    margin-bottom: 1rem;
}

.servico h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--cor-primaria);
}

.produtos {
    padding: 100px 0;
}

.produtos h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--cor-primaria);
}

.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.produto-card {
    background: var(--cor-branco);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--sombra-elegante);
    transition: var(--transicao-elegante);
    border: 1px solid rgba(74, 144, 194, 0.1);
}

.produto-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--sombra-hover);
}

.produto-imagem {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.produto-content {
    padding: 1.5rem;
}

.produto-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--cor-primaria);
}

.produto-content p {
    margin-bottom: 1rem;
    color: var(--cor-cinza);
}

.produto-tecnologias {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tecnologia {
    background: var(--cor-terciaria);
    color: var(--cor-primaria);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.produto-demo {
    color: var(--cor-secundaria);
    text-decoration: none;
    font-weight: 600;
}

.produto-demo:hover {
    text-decoration: underline;
}

.conselhos {
    padding: 100px 0;
    background: var(--cor-cinza-claro);
}

.conselhos h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--cor-primaria);
}

.conselhos-content {
    max-width: 1000px;
    margin: 0 auto;
}

.conselho-destaque {
    text-align: center;
    margin-bottom: 4rem;
    padding: 2rem;
    background: var(--cor-branco);
    border-radius: 15px;
    box-shadow: var(--sombra-elegante);
}

.conselho-destaque h3 {
    font-size: 1.8rem;
    color: var(--cor-primaria);
    margin-bottom: 1rem;
}

.conselho-destaque p {
    font-size: 1.1rem;
    color: var(--cor-cinza);
}

.conselhos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.conselho-item {
    background: var(--cor-branco);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--sombra-elegante);
    transition: var(--transicao-elegante);
}

.conselho-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--sombra-hover);
}

.conselho-item i {
    font-size: 3rem;
    color: var(--cor-secundaria);
    margin-bottom: 1rem;
}

.conselho-item h4 {
    font-size: 1.3rem;
    color: var(--cor-primaria);
    margin-bottom: 1rem;
}

.conselho-item p {
    color: var(--cor-cinza);
    line-height: 1.6;
}

.contato {
    padding: 100px 0;
    background: var(--cor-cinza-claro);
}

.contato h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--cor-primaria);
}

.contato-centralizado {
    display: flex;
    justify-content: center;
}

.contato-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--cor-primaria);
}

.contato-info p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--cor-cinza);
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.info-item i {
    font-size: 1.2rem;
    color: var(--cor-secundaria);
    margin-right: 1rem;
    width: 20px;
}

.whatsapp-cta {
    margin-top: 2rem;
    text-align: center;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 18px 36px;
    background: linear-gradient(135deg, var(--cor-whatsapp) 0%, #1ebe57 100%);
    color: var(--cor-branco);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transicao-elegante);
    position: relative;
    overflow: hidden;
    box-shadow: var(--sombra-elegante);
}

.btn-whatsapp::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transicao-elegante);
}

.btn-whatsapp:hover::before {
    left: 100%;
}

.btn-whatsapp:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--sombra-hover);
}

.btn-whatsapp i {
    font-size: 1.3rem;
}

footer {
    background: var(--cor-primaria);
    color: var(--cor-branco);
    padding: 4rem 0 2rem;
}

[data-theme="dark"] footer {
    background: #00081e;
    color: #ffffff;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--cor-terciaria);
}

[data-theme="dark"] .footer-info h3 {
    color: var(--cor-primaria);
}

.footer-info > p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.footer-contact p {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-contact p:hover {
    opacity: 1;
}

.footer-contact i {
    margin-right: 0.8rem;
    color: var(--cor-terciaria);
    width: 18px;
}

[data-theme="dark"] .footer-contact i {
    color: var(--cor-primaria);
}

.footer-links h4,
.footer-social h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--cor-terciaria);
}

[data-theme="dark"] .footer-links h4,
[data-theme="dark"] .footer-social h4 {
    color: var(--cor-primaria);
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--cor-terciaria);
}

[data-theme="dark"] .footer-links a:hover {
    color: var(--cor-primaria);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--cor-secundaria);
    color: var(--cor-branco);
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--cor-terciaria);
    transform: translateY(-3px);
}

[data-theme="dark"] .social-links a:hover {
    background: var(--cor-primaria);
    color: var(--cor-escuro);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    opacity: 0.7;
    font-size: 0.95rem;
}

.whatsapp-float {
    position: fixed;
    width: 70px;
    height: 70px;
    bottom: 40px;
    right: 40px;
    background: linear-gradient(135deg, var(--cor-whatsapp) 0%, #1ebe57 100%);
    color: var(--cor-branco);
    border-radius: 50%;
    text-align: center;
    font-size: 32px;
    box-shadow: var(--sombra-elegante);
    z-index: 100;
    transition: var(--transicao-elegante);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: var(--sombra-elegante); }
    50% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0.3), var(--sombra-elegante); }
    100% { box-shadow: var(--sombra-elegante); }
}

.whatsapp-float:hover {
    transform: scale(1.15) rotate(5deg);
    animation: none;
}

.whatsapp-float a {
    color: var(--cor-branco);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: var(--cor-branco);
    margin: 15% auto;
    padding: 20px;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    color: var(--cor-cinza);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--cor-escuro);
}

.modal-content h2 {
    color: var(--cor-primaria);
    margin-bottom: 1rem;
}

.modal-content input,
.modal-content textarea {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.modal-content button {
    background: var(--cor-secundaria);
    color: var(--cor-branco);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s ease;
}

.modal-content button:hover {
    background: var(--cor-primaria);
}

.item-gerenciamento {
    background: var(--cor-cinza-claro);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.item-gerenciamento h4 {
    color: var(--cor-primaria);
    margin: 0;
}

.btn-gerenciamento {
    background: var(--cor-secundaria);
    color: var(--cor-branco);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 3px;
    cursor: pointer;
    margin-left: 0.5rem;
    font-size: 0.9rem;
}

.btn-gerenciamento.excluir {
    background: #dc3545;
}

.btn-gerenciamento:hover {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--cor-branco);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .contato-centralizado {
        flex-direction: column;
        align-items: center;
    }

    .contato-info {
        text-align: center;
        max-width: 500px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }

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

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

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 80px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .footer-info h3 {
        font-size: 1.8rem;
    }
    
    footer {
        padding: 3rem 0 1.5rem;
    }

    .whatsapp-float {
        width: 60px;
        height: 60px;
        bottom: 30px;
        right: 30px;
        font-size: 28px;
    }
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--cor-escuro);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 50%;
    transition: var(--transicao-elegante);
    position: relative;
}

.theme-toggle:hover {
    background: var(--cor-cinza-claro);
    transform: scale(1.1);
}

[data-theme="dark"] .theme-toggle:hover {
    background: var(--cor-cinza-claro);
}

.theme-toggle i {
    transition: var(--transicao-elegante);
}

[data-theme="dark"] .theme-toggle .fa-moon {
    display: none;
}

[data-theme="dark"] .theme-toggle::after {
    content: "☀️";
    font-size: 1.1rem;
}

.nav-menu {
    align-items: center;
}