/* Variáveis de Cores */
:root {
    --color-dark: #121212;
    --color-darker: #0a0a0a;
    --color-neon-blue: #00e0ff;
    --color-text-light: #f0f0f0;
    --color-text-muted: #a0a0a0;
    --transition-speed: 0.3s;
}

/* Base e Estilo Visual (Estilo escuro, tipografia moderna) */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth; /* 🧠 Efeito de scroll suave */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-darker);
    color: var(--color-text-light);
    line-height: 1.6;
    overflow-x: hidden; /* Previne scroll horizontal por animações */
}

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

.img-logo {
    height: 40px;
}

a {
    color: var(--color-neon-blue);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: #4df9ff; /* Azul mais claro no hover */
}

/* Botões */
.cta-button, .send-button {
    display: inline-block;
    padding: 12px 30px;
    margin-top: 20px;
    border-radius: 50px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
}

.cta-button {
    background: var(--color-neon-blue);
    color: var(--color-darker);
    border: 2px solid var(--color-neon-blue);
    box-shadow: 0 0 15px rgba(0, 224, 255, 0.5);
}

.cta-button:hover {
    background: #4df9ff;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 5px 20px rgba(0, 224, 255, 0.8);
    color: var(--color-text-light);
}
.cta-button:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 2px 10px rgba(0, 224, 255, 0.5);
    color: var(--color-text-light);
}

/* Navbar Fixa */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.95); /* Semi-transparente */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    padding: 15px 0;
    z-index: 1000;
}

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

.navbar .logo {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--color-neon-blue);
    text-shadow: 0 0 5px var(--color-neon-blue);
}

.navbar nav a {
    margin-left: 30px;
    font-weight: 500;
    color: var(--color-text-light);
}

.navbar nav a:hover {
    color: var(--color-neon-blue);
    text-shadow: 0 0 5px var(--color-neon-blue);
}

/* Estilos de Seção */
section {
    padding: 100px 0;
    min-height: 100vh; /* Para garantir que as seções ocupem a tela */
    display: flex;
    align-items: center;
}

.section-title {
    font-size: 2.5em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--color-neon-blue);
    text-shadow: 0 0 8px rgba(0, 224, 255, 0.5);
}

/* 🧑‍💻 Seção de Apresentação (Hero) */
.hero-section {
    position: relative;
    text-align: center;
    padding-top: 150px;
}

/* KEYFRAME: Fundo com Gradiente Animado (Modelo de Slide) */
/* Anima 3 posições diferentes de background-position */
@keyframes neonGradientSlide {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animated-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Gradiente Multi-cor Neon */
    background: linear-gradient(-45deg, var(--color-darker) 0%, #1a1a2e 30%, #001f3f 60%, var(--color-neon-blue) 90%);
    background-size: 400% 400%; /* Permite o 'slide' */
    opacity: 0.2; /* Fundo sutil */
    z-index: -1;
    /* Aplica a animação Keyframe */
    animation: neonGradientSlide 25s ease infinite; 
}

.profile-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--color-neon-blue);
    box-shadow: 0 0 20px var(--color-neon-blue);
    margin-bottom: 30px;
}

.hero-content h1 {
    font-size: 3.5em;
    margin-bottom: 15px;
    font-weight: 900;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.1);
}

.hero-content .subtitle {
    font-size: 1.3em;
    max-width: 800px;
    margin: 0 auto 30px;
    color: var(--color-text-muted);
}

/* 💼 Seção de Serviços */
.services-section {
    background-color: var(--color-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-item {
    background-color: var(--color-darker);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(0, 224, 255, 0.1);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

/* Efeito de Hover: Elevação e Sombra Neon */
.service-item:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 224, 255, 0.3);
    border-color: var(--color-neon-blue);
}

/* Ícones Animados */
.service-icon {
    font-size: 3em;
    color: var(--color-neon-blue);
    margin-bottom: 15px;
    text-shadow: 0 0 8px var(--color-neon-blue);
    transition: color var(--transition-speed), text-shadow var(--transition-speed);
}

/* Animação Keyframe para os Ícones (Leve Pulsação no hover) */
@keyframes iconPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.service-item:hover .service-icon {
    animation: iconPulse 0.8s ease-in-out infinite alternate;
}

.service-item h3 {
    font-size: 1.4em;
    margin-bottom: 10px;
    font-weight: 600;
}

/* ⚙️ Sessão de Contato */
.contact-grid {
    display: flex;
    gap: 50px;
    align-items: flex-start;
    justify-content: center;
}

.contact-info {
    flex: 1;
    max-width: 400px;
}

.contact-info h3 {
    font-size: 2em;
    color: var(--color-neon-blue);
    margin-bottom: 20px;
}

.contact-info a {
    display: block;
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 5px;
    background-color: var(--color-dark);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.contact-info a:hover {
    background-color: var(--color-neon-blue);
    color: var(--color-darker);
}

.contact-info a i {
    margin-right: 10px;
    font-size: 1.2em;
}

.contact-form {
    flex: 2;
    max-width: 600px;
    display: flex;
    flex-direction: column;
}

.contact-form input, .contact-form textarea {
    background-color: var(--color-dark);
    color: var(--color-text-light);
    border: 1px solid var(--color-text-muted);
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    font-size: 1em;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--color-neon-blue);
    box-shadow: 0 0 10px rgba(0, 224, 255, 0.5);
    outline: none;
}

.send-button {
    background-color: transparent;
    color: var(--color-neon-blue);
    border: 2px solid var(--color-neon-blue);
    width: 100%;
}

.send-button:hover {
    background-color: var(--color-neon-blue);
    color: var(--color-darker);
    transform: none; /* Desativa a transformação do cta-button padrão */
    box-shadow: 0 0 15px rgba(0, 224, 255, 0.8);
}

/* Rodapé */
.footer {
    background-color: var(--color-dark);
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(0, 224, 255, 0.1);
    color: var(--color-text-muted);
}