/* --- 1. DESIGN TOKENS --- */
:root {
    /* MODO OSCURO (Default) */
    --bg: #050505;
    --card: #0e0e0e;
    --border: rgba(255, 255, 255, 0.08);
    --accent-start: #6366f1;
    --accent-end: #a855f7;
    --gradient: linear-gradient(135deg, var(--accent-start), var(--accent-end));
    --text-main: #ffffff;
    --text-dim: #a1a1aa;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* --- 2. MODO CLARO (Inversión de Tokens) --- */
[data-theme="light"] {
    --bg: #f5f5f7;
    --text-main: #1d1d1f;
    --text-dim: #6e6e73;
    --card: #ffffff;
    --border: rgba(0, 0, 0, 0.1);
}

/* --- 3. RESET & BASE --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { 
    background-color: var(--bg); 
    color: var(--text-main); 
    font-family: var(--font-main); 
    line-height: 1.6; 
    overflow-x: hidden; 
    -webkit-font-smoothing: antialiased;
    transition: background var(--transition), color var(--transition);
}

/* --- 4. NAVEGACIÓN (Compartida) --- */
nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.2rem 1.5rem; max-width: 1300px; margin: 0 auto;
    position: sticky; top: 0; z-index: 1000;
    background: rgba(5, 5, 5, 0.8); backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px); border-bottom: 1px solid rgba(255, 255, 255, 0.05); width: 100%;
}
[data-theme="light"] nav { background: rgba(245, 245, 247, 0.8); border-bottom: 1px solid rgba(0, 0, 0, 0.05); }

.logo { font-weight: 800; font-size: 0.95rem; text-decoration: none; color: var(--text-main); letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 1rem; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-dim); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; transition: var(--transition); }
.nav-links a.active { color: var(--text-main); }

/* --- 5. UI COMPONENTS (Switch & Badges) --- */
.lang-switch { display: flex; gap: 0.4rem; font-size: 0.75rem; font-weight: 800; cursor: pointer; }
.lang-opt { color: var(--text-dim); }
.lang-opt.active { color: var(--accent-start); }

.theme-switch { position: relative; width: 50px; height: 26px; cursor: pointer; }
.theme-switch input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--card); border: 1px solid var(--border);
    transition: .4s; border-radius: 34px; display: flex; align-items: center; justify-content: space-around; font-size: 12px;
}
.slider:before {
    position: absolute; content: ""; height: 18px; width: 18px; left: 4px; bottom: 3px;
    background-color: var(--text-main); transition: .4s; border-radius: 50%; z-index: 2;
}
input:checked + .slider:before { transform: translateX(24px); }

/* --- 6. LANDING / WIP / SOBRE-MÍ --- */
.landing-body {
    display: flex; justify-content: center; align-items: center; min-height: 100vh;
}
.wip-layout {
    max-width: 680px; width: 100%; padding: 2rem;
}
.header-nav {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 3rem; background: transparent !important; border: none !important;
}

.avatar-box {
    width: 85px; height: 85px; border-radius: 24px; overflow: hidden;
    background: var(--card); border: 1px solid var(--border); transition: var(--transition);
}
.avatar-img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); transition: 0.5s ease; }

@media (min-width: 900px) {
    .avatar-box { width: 110px; height: 110px; }
    .avatar-box:hover { 
        transform: scale(1.08) rotate(-3deg); border-color: var(--accent-start); 
        box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
    }
    .avatar-box:hover .avatar-img { filter: grayscale(0%); }
}

.info-grid {
    display: grid; grid-template-columns: 1fr; gap: 1rem;
    margin: 3rem 0; padding-top: 2rem; border-top: 1px solid var(--border);
}
.info-item {
    background: var(--card); border: 1px solid var(--border);
    padding: 1.5rem; border-radius: 18px; transition: var(--transition);
}
.info-item h3 { font-size: 0.7rem; text-transform: uppercase; color: var(--text-dim); margin-bottom: 0.5rem; }
.info-item p { font-weight: 700; font-size: 1.1rem; }

@media (min-width: 768px) {
    .info-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}

/* --- 7. FOOTER & ENLACES --- */
.social-links { margin-top: 3.5rem; display: flex; justify-content: center; gap: 2.5rem; }
.social-links a { 
    color: var(--text-dim); text-decoration: none; font-size: 0.8rem; 
    font-weight: 600; text-transform: uppercase; transition: var(--transition); 
}
.social-links.landing-links { justify-content: flex-start; gap: 1rem; }
.social-links.landing-links a {
    background: var(--card); border: 1px solid var(--border);
    padding: 0.8rem 1.5rem; border-radius: 12px; font-size: 0.9rem;
    display: inline-flex; align-items: center; text-transform: none;
}
.social-links.landing-links a:hover { background: var(--border); color: var(--text-main); border-color: var(--accent-start); }

footer { padding: 8rem 1.5rem; text-align: center; border-top: 1px solid var(--border); margin-top: 4rem; }
.email-wrapper { display: inline-flex; align-items: center; gap: 1rem; cursor: pointer; padding: 1rem 2rem; border-radius: 100px; transition: var(--transition); }
#email-text { font-size: clamp(1.2rem, 5vw, 2.2rem); font-weight: 800; }
.copy-badge { background: var(--gradient); padding: 0.3rem 0.7rem; border-radius: 50px; font-size: 0.6rem; font-weight: 700; color: white; transition: 0.3s; opacity: 1; }

@media (min-width: 900px) {
    .copy-badge { opacity: 0; transform: translateX(-10px); }
    .email-wrapper:hover .copy-badge { opacity: 1; transform: translateX(0); }
}