/* =============================================================================
   RESPONSIVE.CSS - Media Queries y adaptaciones
   ============================================================================= */

/* -----------------------------------------------------------------------------
   Large Desktop (1400px+)
   ----------------------------------------------------------------------------- */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }

    .project-card--featured {
        grid-column: span 2;
    }
}

/* -----------------------------------------------------------------------------
   Desktop (1200px - 1399px)
   ----------------------------------------------------------------------------- */
@media (max-width: 1199px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-xl);
    }
}

/* -----------------------------------------------------------------------------
   Tablet Landscape (992px - 1199px)
   ----------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }

    .hero__stats {
        gap: var(--spacing-2xl);
    }

    .contact__wrapper {
        gap: var(--spacing-2xl);
    }
}

/* -----------------------------------------------------------------------------
   Tablet Portrait (768px - 991px)
   ----------------------------------------------------------------------------- */
@media (max-width: 991px) {

    /* Navigation */
    .nav__menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: var(--color-dark);
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        overflow-y: auto;
    }

    .nav__menu.active {
        transform: translateX(0);
    }

    .nav__toggle {
        display: flex;
    }

    .nav__link {
        width: 100%;
        padding: var(--spacing-md);
        font-size: var(--font-size-lg);
    }

    .nav__link--cta {
        justify-content: center;
        margin-top: var(--spacing-md);
    }

    /* Hero */
    .hero {
        padding-top: 90px;
    }

    .hero__subtitle {
        font-size: var(--font-size-base);
    }

    /* Contact */
    .contact__wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .contact__info {
        padding-right: 0;
        text-align: center;
    }

    .contact__info .section__tag,
    .contact__info .section__title {
        text-align: center;
    }

    .contact__links {
        align-items: center;
    }

    /* Footer */
    .footer__content {
        flex-direction: column;
        gap: var(--spacing-2xl);
    }

    .footer__brand {
        text-align: center;
        max-width: 100%;
    }

    .footer__links {
        justify-content: center;
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

/* -----------------------------------------------------------------------------
   Large Mobile (576px - 767px)
   ----------------------------------------------------------------------------- */
@media (max-width: 767px) {
    :root {
        --spacing-4xl: 4rem;
        --spacing-5xl: 5rem;
    }

    section {
        padding: var(--spacing-3xl) 0;
    }

    /* Hero */
    .hero__title {
        font-size: var(--font-size-3xl);
    }

    .hero__cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero__cta .btn {
        width: 100%;
    }

    .hero__stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    /* Grids */
    .services__grid,
    .projects__grid {
        grid-template-columns: 1fr;
    }

    .project-card--featured {
        grid-column: span 1;
    }

    /* Tech Stack */
    .tech-stack__grid {
        gap: var(--spacing-md);
    }

    .tech-item {
        min-width: 100px;
        padding: var(--spacing-md);
    }

    /* Footer */
    .footer__links {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-xl);
    }
}

/* -----------------------------------------------------------------------------
   Mobile (< 576px)
   ----------------------------------------------------------------------------- */
@media (max-width: 575px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    /* Header */
    .nav {
        height: 60px;
    }

    .nav__menu {
        top: 60px;
    }

    /* Hero */
    .hero {
        padding-top: 80px;
        min-height: auto;
    }

    .hero__content {
        padding: var(--spacing-2xl) 0;
    }

    .hero__badge {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-md);
    }

    .hero__title {
        font-size: var(--font-size-2xl);
    }

    .hero__subtitle {
        font-size: var(--font-size-sm);
    }

    /* Cards */
    .service-card,
    .project-card {
        padding: var(--spacing-lg);
    }

    .service-card__icon {
        width: 48px;
        height: 48px;
        font-size: var(--font-size-xl);
    }

    /* Contact Form */
    .contact__form {
        padding: var(--spacing-lg);
    }

    .contact__form input,
    .contact__form textarea {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Footer */
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }

    .footer__infra {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* -----------------------------------------------------------------------------
   Extra Small Mobile (< 400px)
   ----------------------------------------------------------------------------- */
@media (max-width: 399px) {
    .hero__title {
        font-size: var(--font-size-xl);
    }

    .section__title {
        font-size: var(--font-size-xl);
    }

    .tech-stack__grid {
        gap: var(--spacing-sm);
    }

    .tech-item {
        min-width: 80px;
        padding: var(--spacing-sm);
    }

    .tech-item__icon {
        font-size: var(--font-size-xl);
    }

    .tech-item__name {
        font-size: var(--font-size-xs);
    }
}

/* -----------------------------------------------------------------------------
   High DPI / Retina Displays
   ----------------------------------------------------------------------------- */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
    /* Mejoras para pantallas retina si es necesario */
}

/* -----------------------------------------------------------------------------
   Landscape Mode for Mobile
   ----------------------------------------------------------------------------- */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .hero__content {
        padding: var(--spacing-lg) 0;
    }

    .hero__stats {
        flex-direction: row;
        gap: var(--spacing-xl);
    }
}

/* -----------------------------------------------------------------------------
   Print Styles
   ----------------------------------------------------------------------------- */
@media print {

    .header,
    .nav__toggle,
    .hero__cta,
    .contact__form,
    .btn {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .hero,
    section {
        background: white;
        padding: 1rem 0;
    }

    .section__title,
    .hero__title {
        color: black;
    }

    .section__subtitle,
    .hero__subtitle,
    .service-card__desc,
    .project-card__desc {
        color: #333;
    }

    .service-card,
    .project-card {
        border: 1px solid #ccc;
        background: white;
        page-break-inside: avoid;
    }
}

/* -----------------------------------------------------------------------------
   Dark Mode Toggle Support (Future)
   ----------------------------------------------------------------------------- */
@media (prefers-color-scheme: light) {
    /* 
     * Actualmente el sitio es dark-first.
     * Descomentar para habilitar modo claro automático:
     *
    :root {
        --color-dark: #f8fafc;
        --color-dark-soft: #f1f5f9;
        --color-white: #0f172a;
        --color-gray-300: #475569;
        --color-gray-400: #64748b;
        --color-gray-500: #94a3b8;
    }
    */
}