/* --- VARIÁVEIS DO SISTEMA --- */
:root {
    --bg-black: #0d0d0d;
    --surface: #161616;
    --accent-green: #00ff41;
    --text-primary: #e0e0e0;
    --text-secondary: #94a3b8;
    --border: #262626;
}

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

body {
    background-color: var(--bg-black);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    padding: 2rem;
    max-width: 850px;
    margin: 0 auto;
    animation: fadeIn 1s ease-in;
}

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

/* --- CLASSES UTILITÁRIAS --- */
.mono {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-green);
}

.highlight-bold {
    color: var(--accent-green);
    font-weight: 700;
}

/* --- HEADER E PERFIL --- */
header {
    margin-bottom: 3rem;
}

.profile-container {
    display: flex;
    align-items: center;
    gap: 2rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 2rem;
}

/* --- EFEITO FLIP DA FOTO --- */
.profile-flip {
    position: relative;
    width: 120px;
    height: 120px;
    perspective: 1000px;
    flex-shrink: 0;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.profile-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

/* Gatilho 1: Desktop (Hover) */
@media (hover: hover) {
    .profile-flip:hover .profile-inner {
        transform: rotateY(180deg);
    }
}

/* Gatilho 2: Mobile/JS (Classe controlada pelo script.js) */
.profile-flip.flipped .profile-inner {
    transform: rotateY(180deg);
}

.profile-pic, .profile-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 50%;
    border: 2px solid var(--border);
}

.profile-pic {
    filter: grayscale(100%);
    object-fit: cover;
    transition: 0.4s;
}

.profile-back {
    background-color: var(--surface);
    color: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    transform: rotateY(180deg);
    border-color: var(--accent-green);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
}

/* --- TEXTO E LINKS DO HEADER --- */
.header-text h1 {
    margin: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 2.2rem;
    letter-spacing: -1px;
    font-weight: 800;
}

.cursor {
    display: inline-block;
    width: 8px;
    height: 1.2rem;
    background: var(--accent-green);
    margin-left: 5px;
    animation: blink 1s infinite;
    vertical-align: middle;
}

@keyframes blink {
    50% { opacity: 0; }
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.social-links a {
    font-size: 1.3rem;
    color: var(--text-secondary);
    transition: 0.3s;
}

.social-links a:hover {
    color: var(--accent-green);
    transform: translateY(-3px);
}

/* --- SEÇÕES E TÍTULOS --- */
section {
    margin-bottom: 50px;
}

h2 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    color: var(--accent-green);
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

h2[title] {
    cursor: help;
}

h2::before {
    content: "➜";
    margin-right: 10px;
    font-size: 0.9rem;
}

/* --- ITENS DE EXPERIÊNCIA E FORMAÇÃO --- */
.item {
    position: relative;
    padding-left: 20px;
    border-left: 1px solid var(--border);
    margin-bottom: 35px;
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
}

.item-header h3 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
}

.date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent-green);
    background: rgba(0, 255, 65, 0.05);
    padding: 2px 8px;
    border-radius: 4px;
}

.category-badge {
    display: inline-block;
    color: var(--accent-green);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    background: rgba(0, 255, 65, 0.1);
    padding: 2px 10px;
    border-radius: 4px;
    margin: 5px 0 10px 0;
    text-transform: uppercase;
}

.edu-inst {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

/* --- LISTAS ESTILO TERMINAL --- */
ul {
    list-style: none;
    padding-left: 0;
    margin-top: 10px;
    color: var(--text-secondary);
}

ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

ul li::before {
    content: "[+]";
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-family: 'JetBrains Mono', monospace;
}

/* --- GRID DE SKILLS E PROJETOS --- */
/* Layout unificado para os grids de cartões */
.skills-grid, .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

/* Estilo dos cartões de Skill e Projetos */
.skill-card, .project-card {
    background: rgba(20, 20, 20, 0.4);
    border: 1px dashed #333; /* Estilo 'draft/system' */
    padding: 15px;
    display: flex;
    flex-direction: column;
    transition: all 0.4s ease;
    border-radius: 4px;
}

.skill-card {
    flex-direction: row; /* Skills mantêm ícone ao lado */
    align-items: flex-start;
}

.skill-card:hover, .project-card:hover {
    border: 1px solid var(--accent-green);
    background: rgba(0, 255, 65, 0.03);
    box-shadow: inset 0 0 10px rgba(0, 255, 65, 0.05);
}

.skill-icon {
    color: var(--accent-green);
    font-size: 1.2rem;
    margin-right: 15px;
    margin-top: 3px;
    opacity: 0.8;
}

.skill-name {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-weight: bold;
    color: var(--accent-green);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skill-desc {
    display: block;
    font-size: 0.75rem;
    color: #aaa;
    margin-top: 5px;
    line-height: 1.4;
}

/* --- ESTILOS ESPECÍFICOS PARA PROJETOS --- */
.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.project-header h3 {
    font-size: 1.1rem;
}

.project-header a {
    color: #888;
    transition: 0.3s;
}

.project-header a:hover {
    color: var(--accent-green);
}

.project-card p {
    font-size: 0.85rem;
    color: #ccc;
    line-height: 1.5;
}

/* --- CERTIFICAÇÕES E EXPANSÃO --- */
.extra-certs {
    display: none;
}

.btn-more {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    font-family: 'JetBrains Mono', monospace;
    padding: 8px 15px;
    margin-top: 20px;
    cursor: pointer;
    transition: 0.3s;
    font-size: 0.85rem;
    border-radius: 4px;
}

.btn-more:hover {
    background: rgba(0, 255, 65, 0.1);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

/* --- FOOTER --- */
footer {
    margin-top: 6rem;
    padding: 2rem 0 3rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* --- MOBILE RESPONSIVO --- */
@media (max-width: 600px) {
    body { padding: 1rem; }

    .profile-container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .item-header {
        flex-direction: column;
        gap: 0.5rem;
    }

    .social-links {
        justify-content: center;
    }

    .header-text h1 {
        font-size: 1.8rem;
    }

    .skills-grid, .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }
}