:root {
    --bg-light: #fdfdfd;      /* Blanco suave */
    --bg-pink: #fff5f7;       /* Fondo rosa muy sutil */
    --accent: #ffb7c5;        /* Rosa Pastel */
    --accent-hover: #ff9aa2;  /* Rosa más intenso */
    --text-main: #4a4a4a;     /* Gris oscuro profesional */
    --text-muted: #8e8e8e;    /* Gris suave */
    --white: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; }
body { background-color: var(--bg-light); color: var(--text-main); line-height: 1.6; scroll-behavior: smooth; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* --- Header & Nav Fix --- */
header {
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: 0.3s;
    background: transparent;
}

header.sticky {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--accent);
    padding: 0.8rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    white-space: nowrap;
}

.logo span { color: var(--accent); }

/* Navegación Escritorio */
nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    transition: 0.3s;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent);
    transition: 0.3s;
}

nav a:hover::after { width: 100%; }
nav a:hover { color: var(--accent); }

.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--accent);
}

/* --- Hero Section --- */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-pink) 0%, var(--bg-light) 100%);
}

.hero-container-flex { display: flex; align-items: center; justify-content: space-between; gap: 3rem; }
.hero-content { flex: 1.2; }
h1 { font-size: 3.5rem; margin-bottom: 1rem; }
h1 span { color: var(--accent); }
.hero-content p { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 2.5rem; }

.hero-image { flex: 0.8; display: flex; justify-content: center; }
.hero-image img {
    width: 300px; height: 300px; object-fit: cover;
    border-radius: 50% 20% 50% 20%;
    border: 5px solid var(--white);
    box-shadow: 0 15px 35px rgba(255, 183, 197, 0.3);
}

/* --- Buttons --- */
.btn { padding: 0.8rem 2rem; border-radius: 50px; text-decoration: none; font-weight: 600; cursor: pointer; transition: 0.3s; display: inline-block; border: none; }
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(255, 183, 197, 0.3); }
.btn-outline { border: 2px solid var(--accent); color: var(--accent); background: transparent; margin-right: 10px; }
.btn-outline:hover { background: var(--bg-pink); }

/* Sparkle Magic Button */
.btn-sparkle { position: relative; overflow: hidden; }
.btn-sparkle i { margin-right: 8px; }
.btn-sparkle:hover { animation: sparkle-glow 1.5s infinite; }

@keyframes sparkle-glow {
    0% { box-shadow: 0 0 5px #ffb7c5; }
    50% { box-shadow: 0 0 20px #ffb7c5, 0 0 30px #ff9aa2; }
    100% { box-shadow: 0 0 5px #ffb7c5; }
}

/* --- Experience --- */
#experience { padding: 80px 0; background: var(--white); }
.section-title { text-align: center; margin-bottom: 3rem; }
.timeline-item { border-left: 3px solid var(--accent); padding-left: 30px; position: relative; margin-bottom: 40px; }
.timeline-dot { position: absolute; left: -11px; top: 0; width: 20px; height: 20px; background: var(--accent); border-radius: 50%; border: 4px solid var(--white); }
.experience-details p { margin-bottom: 5px; color: var(--text-muted); font-size: 0.9rem; }

/* --- Portfolio --- */
#portfolio { padding: 80px 0; background: var(--bg-light); }
.project-card { 
    display: grid; grid-template-columns: 1.2fr 1fr; background: var(--white); 
    border-radius: 25px; overflow: hidden; margin-bottom: 3.5rem;
    border: 1px solid rgba(255, 183, 197, 0.2); transition: 0.4s;
}
.project-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(255, 183, 197, 0.15); }
.project-content { padding: 3rem; }
.project-image img { width: 100%; height: 100%; object-fit: cover; }
.reverse-layout { direction: rtl; }
.reverse-layout .project-content { direction: ltr; }
.tag { color: var(--accent); font-weight: 700; font-size: 0.8rem; text-transform: uppercase; margin-bottom: 10px; display: block; }
.skill-tag { background: var(--bg-pink); color: var(--accent-hover); padding: 5px 15px; border-radius: 20px; font-size: 0.8rem; margin: 3px; display: inline-block; }

/* --- Contact --- */
#contact { padding: 100px 0; background: var(--bg-pink); }
.contact-card { background: var(--white); padding: 4rem; border-radius: 30px; text-align: center; box-shadow: 0 15px 40px rgba(0,0,0,0.05); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin: 2rem 0; }
.contact-method { cursor: pointer; padding: 1.5rem; border-radius: 20px; transition: 0.3s; }
.contact-method:hover { background: var(--bg-pink); }
.contact-method i { font-size: 2.5rem; color: var(--accent); margin-bottom: 15px; }
.social-pills a { padding: 10px 25px; border: 2px solid var(--accent); border-radius: 50px; color: var(--accent); text-decoration: none; margin: 0 10px; font-weight: 600; transition: 0.3s; }
.social-pills a:hover { background: var(--accent); color: var(--white); }

footer { text-align: center; padding: 3rem 0; font-size: 0.9rem; color: var(--text-muted); border-top: 1px solid var(--bg-pink); }

/* --- Responsive --- */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    nav { display: none; }
    nav.active { 
        display: block; position: absolute; top: 100%; right: 2rem; 
        background: white; padding: 1.5rem; border-radius: 15px; 
        box-shadow: 0 10px 30px rgba(255,183,197,0.2); border: 1px solid var(--accent); 
    }
    nav.active ul { flex-direction: column; gap: 1rem; }
    .hero-container-flex { flex-direction: column-reverse; text-align: center; padding-top: 100px; }
    h1 { font-size: 2.5rem; }
    .project-card, .contact-grid { grid-template-columns: 1fr; }
    .reverse-layout { direction: ltr; }
}