/* === VARIABLES GLOBALES === */
:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #1a1a1b;
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --accent: #ef4444;
    --accent-dim: rgba(239, 68, 68, 0.1);
    --border: #27272a;
    --success: #22c55e;
    --warning: #f59e0b;
    --info: #3b82f6;
}

/* === RESET === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* === BASE === */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: clamp(14px, 1.5vw, 16px);
}

/* === UTILIDADES === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
    width: 100%;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === HEADER === */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(0.75rem, 2vw, 1rem) clamp(1rem, 3vw, 2rem);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.logo {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 800;
    color: var(--accent);
    text-decoration: none;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: clamp(1rem, 3vw, 2rem);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: clamp(0.9rem, 1.8vw, 1rem);
    white-space: nowrap;
}

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

/* === MENU HAMBURGUESA === */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* === MOBILE MENU === */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu li {
    text-align: center;
    padding: clamp(0.75rem, 2vw, 1rem) 0;
    border-bottom: 1px solid var(--border);
}

.mobile-menu li:last-child {
    border-bottom: none;
}

.mobile-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    display: block;
    transition: color 0.3s ease;
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    padding: 0.75rem 1rem; /* Mayor área táctil */
}

.mobile-menu a:hover {
    color: var(--text-primary);
}

/* === FOOTER === */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: clamp(2rem, 5vw, 3rem) 0;
    text-align: center;
}

.footer-content {
    color: var(--text-secondary);
    padding: 0 1rem;
}

.footer-content p {
    font-size: clamp(0.85rem, 1.8vw, 1rem);
    margin-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: clamp(1rem, 3vw, 2rem);
    margin-bottom: clamp(1.5rem, 3vw, 2rem);
    flex-wrap: wrap;
    padding: 0 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: clamp(0.9rem, 1.8vw, 1rem);
}

.footer-links a:hover {
    color: var(--accent);
}

/* === COMPONENTES COMPARTIDOS === */
.section-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    margin-bottom: clamp(1.5rem, 3vw, 2rem);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 2vw, 1rem);
    flex-wrap: wrap;
}

.section-icon {
    font-size: clamp(2rem, 4vw, 2.5rem);
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    color: var(--text-secondary);
    margin-bottom: clamp(1.5rem, 3vw, 2rem);
    padding: 0 1rem;
}

.breadcrumb a {
    color: var(--accent);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* === RESPONSIVE BREAKPOINTS === */

/* Tablets y pantallas medianas */
@media (max-width: 1024px) {
    .nav-links {
        gap: 1.5rem;
    }
    
    .section-title {
        text-align: center;
        justify-content: center;
    }
}

/* Tablets pequeñas */
@media (max-width: 768px) {
    
    
    .container {
        padding: 0 1rem;
    }
    
    nav {
        padding: 1rem;
        position: relative;
    }
    
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .section-title {
        font-size: 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .section-icon {
        order: -1;
    }
    
    .breadcrumb {
        flex-wrap: wrap;
        font-size: 0.8rem;
        gap: 0.3rem;
    }
    
    .footer-links {
        gap: 1rem;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-links a {
        padding: 0.5rem;
    }
}

/* Móviles */
@media (max-width: 480px) {
    body {
        padding-top: 65px;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    nav {
        padding: 0.75rem;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .mobile-menu {
        padding: 0.75rem 0;
    }
    
    .mobile-menu li {
        padding: 0.75rem 0;
    }
    
    .mobile-menu a {
        font-size: 1rem;
        padding: 0.25rem;
    }
    
    .section-title {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .section-icon {
        font-size: 1.75rem;
    }
     
    .breadcrumb > * {
        text-align: center;
    }
    
    footer {
        padding: 2rem 0;
    }
    
    .footer-content {
        padding: 0 0.75rem;
    }
    
    .footer-content p {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    .footer-links {
        margin-bottom: 1.5rem;
        gap: 0.75rem;
    }
    
    .footer-links a {
        font-size: 0.9rem;
        padding: 0.25rem;
    }
}

/* Móviles muy pequeños */
@media (max-width: 320px) {
    body {
        padding-top: 60px;
    }
    
    .container {
        padding: 0 0.5rem;
    }
    
    nav {
        padding: 0.5rem;
    }
    
    .logo {
        font-size: 1.1rem;
    }
    
    
    .hamburger span {
        width: 28px;
        height: 3px;
        margin: 4px 0;
    }
    
    .section-title {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }
    
    .section-icon {
        font-size: 1.5rem;
    }
    
    .breadcrumb {
        font-size: 0.7rem;
        margin-bottom: 0.75rem;
    }
    
    .footer-content {
        padding: 0 0.5rem;
    }
    
    .footer-content p {
        font-size: 0.8rem;
    }
    
    .footer-links a {
        font-size: 0.85rem;
    }
}

/* === MEJORAS PARA ACCESIBILIDAD === */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .hamburger span,
    .nav-links a,
    .mobile-menu a,
    .footer-links a {
        transition: none;
    }
}

/* Mejora del contraste en dispositivos con baja luminosidad */
@media (prefers-contrast: high) {
    :root {
        --text-secondary: #d1d1d6;
        --border: #404040;
    }
}