:root {
    --bg-main: #f8fafc;
    --card-bg: #ffffff;
    --accent-celeste: #F59E0B;
    --accent-celeste-hover: #0096c7;
    --accent-celeste-light: #e0f2fe;
    --text-dark: #111827;
    --text-muted: #556275;
    --border-color: #333946;
    --font-main: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Inter", sans-serif;

}

body {
    background-color: var(--bg-main);
    color: var(--text-dark);
    font-family: var(--font-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;

    background-color: var(--bg-main); /* esto queda para todo lo que está debajo de la línea */
}

a {
    color: var(--accent-celeste);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-celeste-hover);
}

/* HEADER / NAV */
header {
    background-color: #111827;
    border-bottom: 3px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1050px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: white;
}

.logo-img {
    height: 36px;
    width: auto;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav a {
    color: var(--text-muted);
    font-weight: 600;
    padding: 0.4rem 0;
    position: relative;
    transition: color 0.2s ease;
}

nav a:hover, nav a.active {
    color: var(--accent-celeste);
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent-celeste);
    border-radius: 2px;
}

.dropdown {
  position: relative;
}

.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #fff;
  min-width: 160px;
  list-style: none;
  padding: 0;
  margin: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  z-index: 10;
}

.submenu li {
  width: 100%;
}

.submenu a {
  display: block;
  padding: 10px 15px;
  white-space: nowrap;
}

.dropdown:hover .submenu {
  display: block;
}

/* LAYOUT BASE */
main {
    max-width: 1050px;
    width: 100%;
    margin: 2rem auto;
    padding: 0 1.5rem;
    flex: 1;
}

.breadcrumb {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.breadcrumb a {
    color: var(--text-muted);
}

.breadcrumb a:hover {
    color: var(--accent-celeste);
}

/* BOTONES (se usan en varias páginas) */
.btn {
    padding: 0.75rem 1.6rem;
    border-radius: 6px;
    font-weight: 700;
    display: inline-block;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s, border-color 0.2s;
}

.btn-primary {
    background-color: #df910c;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #d48b0d;
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-main);
    color: var(--accent-celeste);
    border-color: var(--accent-celeste);
    transform: translateY(-2px);
}

.btn-large {
    font-size: 1.1rem;
    padding: 0.9rem 2rem;
}

/* CAJA DE CONTENIDO Y TÍTULOS (se usan en varias páginas) */
.content-box {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 45px;
    height: 3px;
    background-color: var(--accent-celeste);
}

.lead-text {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

/* FOOTER */
footer {
    background-color: #f1f5f9;
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: auto;
}

@media (max-width: 600px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
}