/**
 * INMO Academy - Responsive Styles
 * Mobile-first approach
 */

/* ========== TABLET (768px+) ========== */
@media (min-width: 768px) {
    .container {
        --container-padding: var(--space-xl);
    }

    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .site-nav ul {
        flex-direction: row;
    }

    .navbar-toggle {
        display: none !important;
    }

    .site-nav {
        display: flex !important;
    }
}

/* ========== DESKTOP (992px+) ========== */
@media (min-width: 992px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .hero {
        padding: var(--space-5xl) var(--container-padding);
    }

    .section {
        padding: var(--space-4xl) var(--container-padding);
    }
}

/* ========== LARGE DESKTOP (1200px+) ========== */
@media (min-width: 1200px) {
    .container {
        --container-padding: var(--space-xl);
    }
}

/* ========== MOBILE (320px - 767px) ========== */
@media (max-width: 767px) {
    html {
        font-size: 14px;
    }

    h1 {
        font-size: var(--font-size-3xl);
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

    h3 {
        font-size: var(--font-size-xl);
    }

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

    .site-header {
        padding: var(--space-md) 0;
    }

    .header-container {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }

    .site-logo {
        max-width: 150px;
    }

    .navbar-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        width: 30px;
        height: 24px;
    }

    .navbar-toggle span {
        width: 100%;
        height: 2px;
        background-color: var(--color-gray-dark);
        border-radius: var(--radius-sm);
        transition: all var(--transition-base);
    }

    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-light);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        box-shadow: var(--shadow-lg);
        display: none;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .site-nav.active {
        display: flex;
    }

    .site-nav ul {
        flex-direction: column;
        gap: var(--space-md);
        margin: 0;
        padding: 0;
    }

    .hero {
        min-height: 60vh;
        padding: var(--space-3xl) var(--space-lg);
    }

    .hero h1 {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }

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

    .hero-cta {
        gap: var(--space-md);
    }

    .hero-cta .btn {
        width: 100%;
    }

    .section {
        padding: var(--space-3xl) var(--space-lg);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .card {
        padding: var(--space-lg);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    input,
    textarea,
    select {
        padding: var(--space-md);
        font-size: 16px; /* Prevenir zoom en iOS */
    }

    .btn {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--font-size-base);
        min-height: 44px;
        min-width: 44px;
    }

    .btn-lg {
        padding: var(--space-lg) var(--space-xl);
    }

    .site-nav a {
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--color-gray-light);
    }
}

/* ========== EXTRA PEQUEÑO (max 320px) ========== */
@media (max-width: 320px) {
    h1 {
        font-size: var(--font-size-2xl);
    }

    h2 {
        font-size: var(--font-size-xl);
    }

    .hero h1 {
        font-size: clamp(1.25rem, 4vw, 1.75rem);
    }

    .btn {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--font-size-sm);
    }
}

/* ========== IMPRESIÓN ========== */
@media print {
    body {
        background-color: white;
        color: black;
    }

    .site-header,
    .site-footer,
    .navbar-toggle,
    .btn {
        display: none;
    }

    a {
        text-decoration: underline;
    }

    img {
        max-width: 100%;
    }
}

/* ========== ACCESIBILIDAD: MODO OSCURO ========== */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e0e0e0;
    }

    .site-header {
        background-color: #0a0a0a;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .card {
        background-color: #1a1a1a;
        border-color: rgba(255, 255, 255, 0.1);
    }

    input,
    textarea,
    select {
        background-color: #2a2a2a;
        color: #e0e0e0;
        border-color: rgba(255, 255, 255, 0.2);
    }

    input[type="text"]:focus,
    input[type="email"]:focus,
    input[type="password"]:focus,
    textarea:focus,
    select:focus {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.2);
    }
}

/* ========== ACCESIBILIDAD: MOTION REDUCIDO ========== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========== ACCESIBILIDAD: CONTRASTE ALTO ========== */
@media (prefers-contrast: more) {
    :root {
        --color-primary: #8b0000;
        --color-gray-dark: #000000;
    }

    button,
    a {
        text-decoration: underline;
    }
}

/* ========== LANDSCAPE MODE ========== */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--space-2xl) var(--container-padding);
    }

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