:root {
    --bg: #ffffff;
    --text: #1a1a1a;
    --secondary: #666666;
    --border: #eeeeee;
    --accent: #000000;
}

[data-theme="dark"] {
    --bg: #121212;
    --text: #f0f0f0;
    --secondary: #aaaaaa;
    --border: #333333;
    --accent: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; transition: background 0.3s, color 0.3s; }

html { overflow:auto }
body { overflow:hidden }

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', Tahoma, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.edge-header, .edge-footer {
    width: 100%;
    text-align: center;
    background: var(--bg);
    position: relative;
    z-index: 10;
}
.edge-header { margin-top: -3%; }
.edge-footer { margin-bottom: -3%; }

.edge-header h1, .edge-footer h2 {
    font-size: clamp(2.5rem, 10vw, 6rem);
    font-weight: 900;
}

.site-container {
    display: grid;
    grid-template-columns: 90px 1fr 80px;
    min-height: 80vh;
}

.sidebar {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    position: sticky;
    top: 0;
}

.vertical-text-right {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.4rem;
    font-size: 0.85rem;
}

.vertical-text-left {
    writing-mode: vertical-rl;
    transform: rotate(0deg);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.4rem;
    font-size: 0.85rem;
}

.main-content {
    padding: 60px 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.controls {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 50px;
}

.btn {
    background: var(--accent);
    color: var(--bg);
    border: 1px solid var(--accent);
    padding: 8px 15px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.7rem;
    text-transform: uppercase;
}

.btn:hover {
    background: var(--bg);
    color: var(--accent);
}

html[lang="en"] .lang-pt { display: none !important; }
html[lang="pt-BR"] .lang-en { display: none !important; }

.profile {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 30px;
    margin-bottom: 60px;
    align-items: center;
}
.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--accent);
}

.social-links {
    list-style: none;
    display: flex;
    gap: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.social-links li a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.section {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 40px;
    margin: 60px 0;
}
.section-title {
    text-transform: uppercase;
    font-size: 1rem;
    letter-spacing: 2px;
    color: var(--accent);
}

.item { margin-bottom: 40px; }
.item h4 { font-size: 1.25rem; margin-bottom: 5px; }
.item-meta { 
    display: block; 
    font-size: 0.8rem; 
    color: var(--secondary); 
    text-transform: uppercase; 
    margin-bottom: 10px;
}
.item .content {
    margin-top: 3%;
}
.item .skill-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
}
.item .skill-grid li {
    padding: 5px;
    font-size: 0.7rem;
}

.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
    list-style: none;
}
.skill-grid li {
    background: var(--border);
    padding: 10px;
    font-size: 0.8rem;
    text-align: center;
    font-weight: 600;
}

.link-nude { text-decoration: none; color: var(--text);}

@media (max-width: 900px) {
    .controls { justify-content: center; }
    .site-container { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .section { grid-template-columns: 1fr; gap: 20px; }
    .profile { grid-template-columns: 1fr; text-align: center; justify-items: center; }
    .social-links {margin-top: 20px; justify-content: center; }
    .edge-header h1, .edge-footer h2 { font-size: 3rem; letter-spacing: 0.5rem; }
    .edge-header { margin-top: -9%; }
    .edge-footer { margin-bottom: -9%; }
}