/* GERAL E VARIÁVEIS */
:root {
    --primary-glow: rgba(142, 68, 173, 0.5);
    --secondary-glow: rgba(52, 152, 219, 0.5);
    --background-dark: #111;
    --text-dark: #f0f0f0;
    --card-dark: rgba(25, 25, 25, 0.5);
    --border-dark: rgba(255, 255, 255, 0.1);
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background-color: var(--background-dark);
    color: var(--text-dark);
    overflow-x: hidden;
}


/* HEADER (EFEITO GLASSMORPHISM) */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 10px 0;
    background: rgba(17, 17, 17, 0.25);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-dark);
    transition: var(--transition);
}
.header nav { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.logo { font-family: var(--font-heading); font-size: 1.8rem; color: #fff; text-decoration: none; }
.nav-menu { list-style: none; display: flex; gap: 30px; }
.nav-link { text-decoration: none; color: var(--text-dark); font-weight: 500; padding-bottom: 5px; position: relative; }
.nav-link::after {
    content: ''; position: absolute; bottom: 0; left: 50%;
    transform: translateX(-50%); width: 0; height: 2px;
    background: linear-gradient(90deg, #f00000, #6e004a);
    transition: var(--transition);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* HERO (ANIMADO) */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(45deg, #091e35, #0e1127, #000000, #4a5057);
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
    position: relative;
}
@keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.hero-pic {
    width: 150px; height: 150px;
    border-radius: 50%;
    border: 4px solid #000000;
    margin-bottom: 20px;
}
.hero-content h1 { font-family: var(--font-heading); font-size: 3.5rem; margin-bottom: 10px; }
.hero-content p { font-size: 1.5rem; color: #bdc3c7; }
.highlight { color: #b300ff; }
.typing-effect::after { content: '|'; color: #3498db; animation: blink 0.7s infinite; }
@keyframes blink { 50% { opacity: 0; } }
.social-links { margin: 25px 0; }
.social-links a {
    color: var(--text-dark); font-size: 2rem;
    margin: 0 15px; transition: var(--transition);
}
.social-links a:hover { color: #8e44ad; transform: scale(1.2); }
.btn {
    display: inline-block; padding: 12px 25px;
    background: linear-gradient(90deg, #8e44ad, #3498db);
    color: white; text-decoration: none; border-radius: 5px;
    font-weight: 500; transition: var(--transition); border: none;
    box-shadow: 0 0 15px var(--primary-glow);
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 0 25px var(--primary-glow); }

/* SEÇÕES */
.section-container { padding: 80px 0; }
.section-title { text-align: center; font-family: var(--font-heading); font-size: 2.8rem; margin-bottom: 50px; color: #fff; }

/* SOBRE MIM */

.tabs-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.tab-button {
    background: none;
    border: 2px solid var(--border-dark);
    color: var(--text-dark);
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 500;
    transition: var(--transition);
}

.tab-button:hover {
    background-color: #8e44ad;
    border-color: #8e44ad;
}

.tab-button.active {
    background: linear-gradient(90deg, #8e44ad, #3498db);
    border-color: transparent;
    box-shadow: 0 0 15px var(--primary-glow);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.tab-content.active {
    display: block;
}

.tab-content h3 {
    font-family: var(--font-heading);
    color: #3498db;
    margin-bottom: 5px;
}
.tab-content h4 {
    font-weight: 500;
    color: #bdc3c7;
    margin-bottom: 15px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* CONTATO */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-form p {
    margin-bottom: 20px;
}

.contact-info h3 {
    font-family: var(--font-heading);
    margin-bottom: 10px;
}

.contact-info p {
    color: #bdc3c7;
    margin-bottom: 30px;
}

.contact-social-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.social-link-item {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--text-dark);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link-item i {
    font-size: 2.5rem;
    transition: var(--transition);
}

.social-link-item:hover {
    color: #8e44ad;
}
.social-link-item:hover i {
    transform: scale(1.1);
}

/* Responsividade para a grade de contato */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .contact-info {
        text-align: center;
    }
    .contact-social-links {
        flex-direction: row;
        justify-content: center;
    }
}
/* HABILIDADES */
.skills-grid {
    display: flex; flex-wrap: wrap; justify-content: center;
    gap: 20px; text-align: center;
}
.skill-card {
    background: var(--card-dark); padding: 25px;
    border-radius: 10px; border: 1px solid var(--border-dark);
    transition: var(--transition); backdrop-filter: blur(5px);
}
.skill-card:hover { transform: translateY(-10px); border-color: #8e44ad; }
.skill-card i { font-size: 4.5rem; }

/* PROJETOS (EFEITO 3D) */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}
.project-card {
    background: var(--card-dark); border-radius: 10px;
    border: 1px solid var(--border-dark);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
}
.project-card:hover {
    border-color: #3498db;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.project-card img { width: 100%; height: 200px; object-fit: cover; }
.project-info { padding: 20px; }
.project-info h3 { margin-bottom: 10px; color: #3498db; }
.project-tech span {
    background: #3498db; color: white; padding: 3px 8px;
    border-radius: 12px; font-size: 0.8rem; margin-right: 5px;
}
.project-links { margin-top: 15px; }
.project-links a { text-decoration: none; color: #8e44ad; font-weight: 500; margin-right: 15px; }

/* CONTATO */
.contact-form { max-width: 600px; margin: 0 auto; }
.form-group input, .form-group textarea {
    width: 100%; padding: 15px; margin-bottom: 20px;
    border-radius: 5px; border: 1px solid var(--border-dark);
    background-color: var(--card-dark); color: var(--text-dark);
    font-family: var(--font-body);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: #8e44ad;
}
#form-status { text-align: center; margin-top: 20px; font-weight: 500; }

/* FOOTER */
.footer { padding: 20px 0; text-align: center; background-color: #0a0a0a; }

/* ANIMAÇÃO DE SCROLL */
.reveal { opacity: 0; transform: translateY(50px); transition: opacity 0.8s, transform 0.8s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Large desktop — garante conforto até 1400px */
@media (min-width: 1201px) {
  .responsive-container { width: 85%; }
}

/* Desktop / Laptop */
@media (max-width: 1200px) {
  /* reduz paddings grandes que poderiam empurrar conteúdo */
  section { padding-left: 4vw; padding-right: 4vw; }
}

/* Tablet landscape / small desktops */
@media (max-width: 992px) {
    .nav-menu { visibility: hidden;}
  /* transforma colunas para 1 ou 2 colunas conforme o caso */
  .two-cols, .cols-2 { grid-template-columns: 1fr; }

  /* torna header mais compacto */
  header { padding: 0.75rem 1rem; }
  header h1 { font-size: 1.4rem; }
}

/* Tablet / Phablet */
@media (max-width: 768px) {
  /* Ajustes adicionais em tipografia */
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.25rem; }

  /* Se houver uma barra lateral oculta em layouts desktop, empilha-a */
  .sidebar, .aside { display: block; width: 100%; }

  /* Garante que cards ocupem a largura inteira quando necessário */
  .projects, .portfolio-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
}

/* Mobile padrão */
@media (max-width: 600px) {
  /* Simplifica header/nav para evitar quebras */
  header { padding: 0.6rem 0.8rem; }

  /* Ajuste de espaçamento das seções */
  section { padding: 1.6rem 1rem; }

  /* Títulos e textos menores e mais legíveis no mobile */
  h1 { font-size: 1.4rem; }
  h2 { font-size: 1.1rem; }
  body { font-size: 0.95rem; }

  /* Botões quebram em várias linhas se necessário */
  .btn-group, .actions { display: flex; flex-direction: column; gap: 0.6rem; }
}

/* Pequenos telefones / very small */
@media (max-width: 420px) {
  /* Margens e paddings mínimos */
  .responsive-container, .container { width: 96%; }
  h1 { font-size: 1.25rem; }
  h2 { font-size: 1rem; }
  section { padding: 1rem 0.6rem; }

  /* Garante que elementos com largura fixa possam encolher */
  .fixed-width, .fixed, .no-shrink { max-width: 100%; }
}