/* Variables de Marca */
:root {
    --primary: #008fa1; /* Azul Chemisette */
    --secondary: #222;
    --accent: #ff6b6b;
    --light: #f8f9fa;
    --text: #333;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

/* Reset Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text);
    scroll-behavior: smooth;
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navegación Modernizada */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    text-decoration: none;
    color: var(--secondary);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--secondary);
    margin-left: 1.5rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover { color: var(--primary); }

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 143, 161, 0.1), rgba(0, 143, 161, 0.05)), url('img/hero-bg.jpg') center/cover no-repeat;
    height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.hero h1 span { color: var(--primary); display: block; }

.btn-main {
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    display: inline-block;
    transition: var(--transition);
}

.btn-main:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0, 143, 161, 0.4); }

/* Secciones */
section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 40px; font-size: 2.5rem; }

/* Grid para Sobre Mí */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-img img { width: 100%; border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }

/* FAQ Acordeón */
details {
    background: var(--light);
    margin-bottom: 15px;
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
}
summary { font-weight: 600; font-size: 1.1rem; }
details p { margin-top: 10px; padding-left: 10px; border-left: 3px solid var(--primary); }

/* Formulario de Contacto */
.contact-card {
    background: var(--white);
    max-width: 600px;
    margin: 0 auto;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    text-align: center;
}

.form-group { margin-bottom: 15px; }
input, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
}

.btn-submit {
    background: var(--secondary);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    font-weight: bold;
    transition: var(--transition);
}

.btn-submit:hover { background: var(--primary); }

/* Responsive */
@media (max-width: 768px) {
    .grid { grid-template-columns: 1fr; text-align: center; }
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; } /* En JS se activará */
    .menu-toggle { display: block; background: none; border: none; font-size: 1.5rem; cursor: pointer; }
}

@media (min-width: 769px) { .menu-toggle { display: none; } }

.footer { background: var(--secondary); color: white; text-align: center; padding: 20px 0; }