/* ═══════════════════════════════════════════════
   Instituto de la Ñapa — Hoja de estilos
   ═══════════════════════════════════════════════ */

/* --- Propiedades personalizadas --- */
:root {
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --color-bg: #F5F0E8;
    --color-bg-alt: #ECE6D8;
    --color-text: #2A2522;
    --color-text-light: #635D57;
    --color-accent: #B8860B;
    --color-accent-dark: #8B3A2A;
    --color-border: #D4CFC5;
    --color-dark: #1A1916;
    --color-cream: #FDFBF7;

    --max-width: 72rem;
    --content-width: 46rem;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 8rem;
}

/* --- Reset --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
}

body {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-accent-dark);
    text-decoration-skip-ink: auto;
    transition: color 0.2s ease;
}

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

a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 2px;
}

ul, ol {
    list-style: none;
}

/* --- Tipografía --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.375rem); margin-bottom: 0.5rem; }

p + p { margin-top: 1rem; }

strong { font-weight: 600; }

em { font-style: italic; }

/* --- Layout --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.content-narrow {
    max-width: var(--content-width);
    margin: 0 auto;
}

.section {
    padding: var(--space-xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.section-title::after {
    content: '';
    display: block;
    width: 3rem;
    height: 2px;
    background: var(--color-accent);
    margin: var(--space-sm) auto 0;
}

/* --- Navegación --- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(245, 240, 232, 0.95);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-dark);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.nav-brand:hover {
    color: var(--color-accent-dark);
}

.nav-brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: 2px solid var(--color-accent-dark);
    border-radius: 50%;
    font-size: 1rem;
    color: var(--color-accent-dark);
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 1.75rem;
}

.nav-links a {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-light);
    text-decoration: none;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    color: var(--color-text);
    line-height: 1;
}

/* --- Hero / Manifiesto --- */
.hero {
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-md);
}

.hero-text {
    max-width: 42rem;
}

.hero-kicker {
    font-family: var(--font-serif);
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.hero h1 {
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero h1 em {
    font-style: italic;
    color: var(--color-accent-dark);
}

.hero-body {
    font-family: var(--font-serif);
    font-size: clamp(1.125rem, 2.5vw, 1.3125rem);
    line-height: 1.85;
    color: var(--color-text-light);
    font-style: italic;
}

.hero-cta {
    display: inline-block;
    margin-top: var(--space-lg);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-light);
    text-decoration: none;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.hero-cta:hover {
    color: var(--color-accent-dark);
    border-bottom-color: var(--color-accent-dark);
}

/* --- Definición --- */
#definicion h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-accent-dark);
    margin-top: var(--space-md);
}

#definicion h3:first-child {
    margin-top: 0;
}

#definicion > .container > .content-narrow > div + div {
    margin-top: var(--space-md);
}

.cita-academica {
    margin-top: var(--space-lg);
    padding: var(--space-md) var(--space-md) var(--space-md) var(--space-lg);
    border-left: 3px solid var(--color-accent);
    background: rgba(184, 134, 11, 0.04);
}

.cita-academica p {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-style: italic;
    line-height: 1.7;
    color: var(--color-dark);
}

.cita-academica cite {
    display: block;
    margin-top: 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-style: normal;
    color: var(--color-text-light);
}

/* --- Decálogo --- */
.decalogo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    max-width: 56rem;
    margin: 0 auto;
}

.decalogo-item {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--color-border);
    background: var(--color-cream);
}

.decalogo-num {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-accent);
    flex-shrink: 0;
    min-width: 2rem;
    text-align: center;
}

.decalogo-item p {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-dark);
}

/* Sello decorativo */
.sello {
    display: flex;
    justify-content: center;
    margin-top: var(--space-lg);
}

.sello-inner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 8rem;
    height: 8rem;
    border: 3px double var(--color-accent-dark);
    border-radius: 50%;
    transform: rotate(-12deg);
    opacity: 0.35;
}

.sello-text {
    font-family: var(--font-serif);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent-dark);
    text-align: center;
    line-height: 1.3;
    padding: 0.75rem;
}

/* --- Taxonomía --- */
.taxonomia-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    max-width: 64rem;
    margin: 0 auto;
}

.taxonomia-card {
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    background: var(--color-cream);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.taxonomia-card:hover {
    transform: translateY(-3px) rotate(-0.5deg);
    box-shadow: 0 4px 16px rgba(26, 25, 22, 0.08);
}

.taxonomia-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto var(--space-sm);
    color: var(--color-accent-dark);
}

.taxonomia-icon svg {
    width: 100%;
    height: 100%;
}

.taxonomia-card h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.taxonomia-card p {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

/* --- Ñapas célebres --- */
.historia-entry {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.historia-entry:first-child {
    padding-top: 0;
}

.historia-entry:last-child {
    border-bottom: none;
}

.historia-year {
    font-family: var(--font-serif);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-accent);
    min-width: 6rem;
    flex-shrink: 0;
    padding-top: 0.2rem;
    letter-spacing: 0.02em;
}

.historia-body h3 {
    font-family: var(--font-serif);
    font-size: 1.1875rem;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.historia-body p {
    font-size: 0.9375rem;
    line-height: 1.75;
    color: var(--color-text);
}

/* --- Glosario --- */
.glosario {
    max-width: var(--content-width);
    margin: 0 auto;
}

.glosario-entry {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border);
}

.glosario-entry:last-child {
    border-bottom: none;
}

.glosario-entry dt {
    font-family: var(--font-serif);
    font-size: 1.1875rem;
    color: var(--color-dark);
}

.glosario-meta {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-text-light);
    font-style: italic;
}

.glosario-entry dd {
    margin-top: 0.25rem;
    font-size: 0.9375rem;
    line-height: 1.7;
}

.glosario-region {
    font-style: italic;
    color: var(--color-accent-dark);
    font-size: 0.875rem;
}

/* --- Secciones placeholder --- */
.placeholder-block {
    text-align: center;
    padding: var(--space-lg) var(--space-md);
}

.placeholder-content {
    padding: var(--space-lg) var(--space-md);
}

.placeholder-content h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-dark);
    margin-bottom: var(--space-sm);
}

.placeholder-content p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Cinta de obras */
.cinta-obras {
    height: 6px;
    background: repeating-linear-gradient(
        -45deg,
        var(--color-accent) 0,
        var(--color-accent) 8px,
        var(--color-dark) 8px,
        var(--color-dark) 16px
    );
    opacity: 0.5;
    border-radius: 1px;
}

/* --- Footer --- */
.footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    text-align: center;
}

.footer-copy {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.footer-note {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    opacity: 0.7;
    margin-top: 0.5rem;
}

.footer-links {
    margin-top: var(--space-sm);
}

.footer-links a {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    text-decoration: none;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

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

.footer-lema {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.9375rem;
    color: var(--color-accent);
    margin-top: var(--space-md);
}

/* --- Página 404 --- */
.page-404 {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-page {
    text-align: center;
    max-width: 28rem;
}

.error-code {
    font-family: var(--font-serif);
    font-size: clamp(5rem, 15vw, 10rem);
    font-weight: 900;
    line-height: 1;
    color: var(--color-border);
    letter-spacing: -0.04em;
}

.error-page h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-top: var(--space-sm);
}

.error-body {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-top: var(--space-sm);
    line-height: 1.7;
}

.error-link {
    display: inline-block;
    margin-top: var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent-dark);
    text-decoration: none;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-accent-dark);
}

.error-link:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* --- Animaciones (solo con JS) --- */
.js-enabled .fade-in {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* --- Responsive --- */

/* Tablet */
@media (max-width: 64rem) {
    .taxonomia-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Móvil */
@media (max-width: 48rem) {
    :root {
        --space-xl: 4rem;
        --space-2xl: 5rem;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 4rem;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-sm) var(--space-md);
        gap: 0;
    }

    .nav-links.nav-open {
        display: flex;
    }

    .nav-links li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 0.75rem 0;
        font-size: 0.875rem;
    }

    .hero {
        min-height: 70vh;
        padding: var(--space-xl) var(--space-sm);
    }

    .decalogo-grid {
        grid-template-columns: 1fr;
    }

    .taxonomia-grid {
        grid-template-columns: 1fr;
        max-width: 24rem;
        margin: 0 auto;
    }

    .historia-entry {
        flex-direction: column;
        gap: 0.5rem;
    }

    .historia-year {
        min-width: auto;
        font-size: 0.8125rem;
    }

    .container {
        padding: 0 var(--space-sm);
    }

    .sello-inner {
        width: 6rem;
        height: 6rem;
    }

    .sello-text {
        font-size: 0.5625rem;
    }
}

/* Muy pequeño (375px y menos) */
@media (max-width: 23.4375rem) {
    body {
        font-size: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-body {
        font-size: 1rem;
    }
}

/* Preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .js-enabled .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .taxonomia-card {
        transition: none;
    }

    .taxonomia-card:hover {
        transform: none;
    }
}

/* Modo oscuro (respeta preferencias del sistema) */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1A1916;
        --color-bg-alt: #222018;
        --color-text: #E0DCD4;
        --color-text-light: #9A948E;
        --color-accent: #D4A017;
        --color-accent-dark: #C97A4A;
        --color-border: #3A3630;
        --color-dark: #F5F0E8;
        --color-cream: #252320;
    }

    .nav {
        background: rgba(26, 25, 22, 0.95);
    }

    .cinta-obras {
        opacity: 0.35;
    }
}