/* ============================================================
   GONZALO JIMÉNEZ TAPIA — responsive.css
   Mobile-first breakpoints
   ============================================================ */

/* ---- BASE: mobile ≤ 480px ---- */
@media (max-width: 480px) {
    :root {
        --text-4xl: 2rem;
        --text-5xl: 2.5rem;
        --text-3xl: 1.875rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .page-title {
        font-size: 1.875rem;
    }

    .section-title {
        font-size: 1.625rem;
    }

    .podcast-hero-title {
        font-size: 1.625rem;
    }

    .pergamino-logo-name {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .filter-btn {
        font-size: var(--text-xs);
        padding: var(--space-1) var(--space-3);
    }

    .contact-form-wrap {
        padding: var(--space-6);
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta-actions {
        flex-direction: column;
    }

    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .podcast-hero-block,
    .pergamino-banner {
        grid-template-columns: 1fr;
        padding: var(--space-8);
    }

    .podcast-cover-placeholder {
        margin: 0 auto;
        max-width: 200px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .back-to-top {
        bottom: var(--space-4);
        right: var(--space-4);
    }
}

/* ---- TABLET: 481px – 768px ---- */
@media (min-width: 481px) and (max-width: 768px) {
    .hero-title {
        font-size: var(--text-4xl);
    }
}

/* ---- MOBILE: ≤ 768px (hamburger menu) ---- */
@media (max-width: 768px) {

    /* Header */
    .site-nav,
    .header-cta {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

    /* Hero */
    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: calc(68px + var(--space-12)) 0 0;
    }

    .hero::before {
        display: none;
    }

    .hero-content {
        padding: var(--space-8) 0 var(--space-6);
        order: 1;
    }

    .hero-image-wrap {
        order: 2;
        padding: 0;
    }

    .hero-photo,
    .hero-photo-placeholder {
        max-width: 100%;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        aspect-ratio: 3/2;
        object-position: center top;
    }

    .hero-subtitle {
        max-width: none;
    }

    /* Bio */
    .bio-grid {
        grid-template-columns: 1fr;
    }

    .bio-image-wrap {
        position: static;
        max-width: 300px;
    }

    /* Articles */
    .articles-grid {
        grid-template-columns: 1fr;
    }

    /* Podcast */
    .podcast-hero-block {
        grid-template-columns: 1fr;
        padding: var(--space-8);
    }

    .podcast-cover-placeholder {
        margin: 0 auto;
        max-width: 200px;
        aspect-ratio: 1;
    }

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

    /* Pergamino banner */
    .pergamino-banner {
        grid-template-columns: 1fr;
        padding: var(--space-8);
    }

    /* Pergamino page */
    .pergamino-about-grid {
        grid-template-columns: 1fr;
    }

    .pergamino-redes {
        grid-template-columns: 1fr 1fr;
    }

    /* Books */
    .books-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-cta-bar .container {
        flex-direction: column;
        text-align: center;
    }

    /* CTA */
    .cta-section .section-title {
        font-size: var(--text-2xl);
    }
}

/* ---- TABLET GRANDE: 769px – 1024px ---- */
@media (min-width: 769px) and (max-width: 1024px) {

    /* Hero */
    .hero {
        gap: var(--space-10);
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    /* Bio */
    .bio-grid {
        grid-template-columns: 1fr 1.4fr;
        gap: var(--space-10);
    }

    /* Articles */
    .articles-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Episodes */
    .episodes-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Books */
    .books-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Pergamino redes */
    .pergamino-redes {
        grid-template-columns: 1fr 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Podcast */
    .podcast-hero-block {
        padding: var(--space-8);
    }
}

/* ---- DESKTOP: ≥ 1025px ---- */
@media (min-width: 1025px) {

    /* Nav en desktop */
    .nav-hamburger {
        display: none !important;
    }
}

/* ---- DESKTOP XL: ≥ 1280px ---- */
@media (min-width: 1280px) {
    .hero-title {
        font-size: var(--text-5xl);
    }
}

/* ---- REDUCED MOTION ---- */
@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .btn,
    .article-card,
    .episode-card,
    .book-card,
    .red-card {
        transition: none;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ---- PRINT ---- */
@media print {

    .site-header,
    .back-to-top,
    .nav-hamburger,
    .mobile-nav {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    a {
        text-decoration: underline;
    }
}