/* ===== DISEÑO RESPONSIVE - AJEDREZ DE SILICIO ===== */

/* ===== TABLETS Y MÓVILES GRANDES (768px - 1024px) ===== */
@media (max-width: 1024px) {
    .form-container {
        max-width: 95%;
        padding: 1.5rem;
    }
    
    .header-content {
        padding: 2.5rem 1.5rem;
    }
    
    .title-text {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.6rem;
    }
    
    .admission-form {
        padding: 2.5rem;
    }
    
    .form-grid {
        gap: 1.5rem;
    }
}

/* ===== TABLETS (768px - 1023px) ===== */
@media (max-width: 768px) {
    /* Logo responsive */
    .logo-silicio {
        height: 100px;
    }
    
    /* Header responsive */
    .form-container {
        padding: 1rem;
    }
    
    .header-content {
        padding: 2rem 1rem;
        border-radius: 20px;
    }
    
    .title-text {
        font-size: 2.2rem;
        letter-spacing: 1px;
    }
    
    .subtitle {
        font-size: 1.4rem;
    }
    
    .description-text {
        font-size: 1rem;
    }
    
    /* Formulario responsive */
    .admission-form {
        padding: 2rem;
        border-radius: 20px;
    }
    
    /* Grid responsive */
    .form-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-group.full-width {
        grid-column: 1;
    }
    
    /* Secciones responsive */
    .section-title {
        font-size: 1.6rem;
    }
    
    .section-icon {
        font-size: 1.8rem;
    }
    
    /* Inputs responsive */
    .form-input {
        padding: 14px 16px;
        font-size: 16px; /* Evita zoom en iOS */
    }
    
    .form-label {
        font-size: 0.95rem;
    }
    
    /* Botón responsive */
    .submit-btn {
        padding: 16px 30px;
        font-size: 1.1rem;
        min-width: 280px;
    }
    
    /* Hints responsive */
    .input-hint {
        font-size: 0.85rem;
        padding: 0.6rem;
    }
}

/* ===== MÓVILES MEDIANOS (481px - 767px) ===== */
@media (max-width: 480px) {
    /* Logo más pequeño */
    .logo-silicio {
        height: 80px;
    }
    
    /* Header más compacto */
    .form-container {
        padding: 0.8rem;
    }
    
    /* Título responsive para móviles */
    .title-text {
        font-size: 1.4rem !important;
        letter-spacing: 0.3px !important;
        word-break: break-word;
        line-height: 1.1;
        white-space: normal;
        text-align: center;
    }
    
    /* Contenedor de teléfonos responsive */
    .phone-container {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .country-selector {
        flex: none;
        width: 100%;
    }
    
    .country-selector select {
        width: 100%;
        font-size: 0.9rem;
    }
    
    .phone-input {
        width: 100%;
    }
    
    .header-content {
        padding: 1.5rem 0.8rem;
        border-radius: 15px;
    }
    
    .title-text {
        font-size: 1.8rem;
        letter-spacing: 0.5px;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .description-text {
        font-size: 0.9rem;
    }
    
    /* Formulario más compacto */
    .admission-form {
        padding: 1.5rem;
        border-radius: 15px;
    }
    
    /* Secciones más compactas */
    .form-section {
        margin-bottom: 2rem;
    }
    
    .section-header {
        margin-bottom: 1.5rem;
        gap: 0.8rem;
    }
    
    .section-title {
        font-size: 1.4rem;
    }
    
    .section-icon {
        font-size: 1.6rem;
    }
    
    /* Inputs más compactos */
    .form-input {
        padding: 12px 14px;
        font-size: 16px;
        border-radius: 10px;
    }
    
    .form-label {
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
    }
    
    .label-icon {
        font-size: 1.1rem;
    }
    
    /* Botón más compacto */
    .submit-btn {
        padding: 14px 25px;
        font-size: 1rem;
        min-width: 260px;
        border-radius: 25px;
    }
    
    .btn-icon {
        font-size: 1.3rem;
    }
    
    /* Hints más compactos */
    .input-hint {
        font-size: 0.8rem;
        padding: 0.5rem;
        margin-top: 0.4rem;
    }
    
    .hint-icon {
        font-size: 0.9rem;
    }
    
    /* Estados del formulario más compactos */
    .form-status {
        padding: 1.5rem;
        margin-top: 1.5rem;
    }
    
    .success-title,
    .error-title {
        font-size: 1.5rem;
    }
    
    .success-text,
    .error-text {
        font-size: 1rem;
    }
    
    .loading-text {
        font-size: 1rem;
    }
}

/* ===== MÓVILES PEQUEÑOS (320px - 480px) ===== */
@media (max-width: 360px) {
    /* Logo ultra compacto */
    .logo-silicio {
        height: 70px;
    }
    
    /* Header ultra compacto */
    .form-container {
        padding: 0.5rem;
    }
    
    .header-content {
        padding: 1.2rem 0.6rem;
        border-radius: 12px;
    }
    
    .title-text {
        font-size: 1.6rem;
        letter-spacing: 0.3px;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .description-text {
        font-size: 0.85rem;
    }
    
    /* Formulario ultra compacto */
    .admission-form {
        padding: 1.2rem;
        border-radius: 12px;
    }
    
    /* Secciones ultra compactas */
    .form-section {
        margin-bottom: 1.5rem;
    }
    
    .section-header {
        margin-bottom: 1.2rem;
        gap: 0.6rem;
    }
    
    .section-title {
        font-size: 1.2rem;
    }
    
    .section-icon {
        font-size: 1.4rem;
    }
    
    /* Inputs ultra compactos */
    .form-input {
        padding: 10px 12px;
        font-size: 16px;
        border-radius: 8px;
    }
    
    .form-label {
        font-size: 0.85rem;
        margin-bottom: 0.5rem;
    }
    
    .label-icon {
        font-size: 1rem;
    }
    
    /* Botón ultra compacto */
    .submit-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
        min-width: 240px;
        border-radius: 20px;
    }
    
    .btn-icon {
        font-size: 1.2rem;
    }
    
    /* Hints ultra compactos */
    .input-hint {
        font-size: 0.75rem;
        padding: 0.4rem;
        margin-top: 0.3rem;
    }
    
    .hint-icon {
        font-size: 0.8rem;
    }
    
    /* Estados ultra compactos */
    .form-status {
        padding: 1.2rem;
        margin-top: 1.2rem;
    }
    
    .success-title,
    .error-title {
        font-size: 1.3rem;
    }
    
    .success-text,
    .error-text {
        font-size: 0.9rem;
    }
    
    .loading-text {
        font-size: 0.9rem;
    }
    
    .success-icon,
    .error-icon {
        font-size: 2.5rem;
    }
    
    .loading-spinner {
        width: 40px;
        height: 40px;
    }
}

/* ===== ORIENTACIÓN LANDSCAPE EN MÓVILES ===== */
@media (max-width: 768px) and (orientation: landscape) {
    .logo-silicio {
        height: 60px;
    }
    
    .form-container {
        padding: 0.5rem;
    }
    
    .header-content {
        padding: 1rem 0.5rem;
    }
    
    .title-text {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .admission-form {
        padding: 1rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .form-group.full-width {
        grid-column: 1 / -1;
    }
    
    .form-section {
        margin-bottom: 1.5rem;
    }
    
    .section-header {
        margin-bottom: 1rem;
    }
    
    .section-title {
        font-size: 1.2rem;
    }
    
    .form-input {
        padding: 10px 12px;
        font-size: 16px;
    }
    
    .submit-btn {
        padding: 12px 25px;
        font-size: 1rem;
        min-width: 200px;
    }
}

/* ===== PANTALLAS DE ALTA DENSIDAD ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .form-container {
        border-width: 1px;
    }
    
    .admission-form {
        border-width: 1px;
    }
    
    .header-content {
        border-width: 1px;
    }
}

/* ===== MODO OSCURO ADICIONAL ===== */
@media (prefers-color-scheme: dark) {
    /* Los estilos ya están optimizados para modo oscuro */
    .form-input::placeholder {
        color: rgba(255, 255, 255, 0.5);
    }
}

/* ===== REDUCCIÓN DE MOVIMIENTO ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .particle {
        animation: none;
    }
    
    .logo-silicio {
        animation: none;
    }
    
    .section-icon {
        animation: none;
    }
    
    .btn-icon {
        animation: none;
    }
}

/* ===== ALTO CONTRASTE ===== */
@media (prefers-contrast: high) {
    :root {
        --primary-red: #ff0000;
        --secondary-gold: #ffff00;
        --text-white: #ffffff;
        --background-dark: #000000;
        --border-color: #ffffff;
    }
    
    .form-input {
        border-width: 3px;
    }
    
    .form-input:focus {
        border-width: 4px;
    }
}

/* ===== IMPRESIÓN ===== */
@media print {
    .particles-container {
        display: none;
    }
    
    .logo-container {
        display: none;
    }
    
    .form-container {
        max-width: 100%;
        padding: 0;
        box-shadow: none;
        border: none;
    }
    
    .admission-form {
        background: white;
        color: black;
        border: 2px solid black;
        box-shadow: none;
    }
    
    .form-input {
        background: white;
        color: black;
        border: 1px solid black;
    }
    
    .submit-btn {
        display: none;
    }
    
    .form-status {
        display: none;
    }
}

/* ===== ACCESIBILIDAD MEJORADA ===== */
@media (prefers-reduced-motion: no-preference) {
    .form-input:focus {
        outline: 3px solid var(--primary-red);
        outline-offset: 2px;
    }
    
    .submit-btn:focus {
        outline: 3px solid var(--secondary-gold);
        outline-offset: 2px;
    }
}

/* ===== TAMAÑOS DE FUENTE ADAPTATIVOS ===== */
@media (min-width: 1200px) {
    .form-container {
        max-width: 1100px;
    }
    
    .title-text {
        font-size: 3.5rem;
    }
    
    .subtitle {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-input {
        font-size: 1.1rem;
        padding: 18px 20px;
    }
    
    .submit-btn {
        font-size: 1.3rem;
        padding: 20px 45px;
        min-width: 350px;
    }
}

/* ===== OPTIMIZACIÓN PARA TABLETS EN LANDSCAPE ===== */
@media (min-width: 769px) and (max-width: 1024px) and (orientation: landscape) {
    .form-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .form-group.full-width {
        grid-column: 1 / -1;
    }
    
    .header-content {
        padding: 2rem 1.5rem;
    }
    
    .admission-form {
        padding: 2rem;
    }
}

/* ===== CORRECCIÓN PARA SAFARI EN IOS ===== */
@supports (-webkit-touch-callout: none) {
    .form-input {
        font-size: 16px;
        -webkit-appearance: none;
        border-radius: 12px;
    }
    
    .form-input[type="date"] {
        -webkit-appearance: none;
    }
    
    .form-input[type="number"] {
        -webkit-appearance: none;
    }
}

/* ===== CORRECCIÓN PARA FIREFOX ===== */
@-moz-document url-prefix() {
    .form-input {
        border-radius: 12px;
    }
    
    .submit-btn {
        border-radius: 30px;
    }
}

/* ===== OPTIMIZACIÓN PARA PANTALLAS TÁCTILES ===== */
@media (hover: none) and (pointer: coarse) {
    .form-input {
        padding: 16px 18px;
        font-size: 16px;
    }
    
    .submit-btn {
        padding: 18px 35px;
        font-size: 1.2rem;
    }
    
    .form-input:hover {
        animation: none;
    }
    
    .submit-btn:hover {
        animation: none;
    }
}

/* ===== MÓVILES PEQUEÑOS (321px - 480px) ===== */
@media (max-width: 480px) and (min-width: 321px) {
    /* Título optimizado para móviles pequeños */
    .title-text {
        font-size: 1.3rem !important;
        letter-spacing: 0.2px !important;
        line-height: 1.1;
        white-space: normal;
        text-align: center;
    }
}

/* ===== MÓVILES MUY PEQUEÑOS (320px y menos) ===== */
@media (max-width: 320px) {
    /* Título aún más pequeño */
    .title-text {
        font-size: 1.2rem !important;
        letter-spacing: 0.2px !important;
        line-height: 1.1;
        white-space: normal;
        text-align: center;
    }
    
    /* Contenedor más compacto */
    .form-container {
        padding: 0.5rem;
    }
    
    .header-content {
        padding: 1rem 0.5rem;
    }
    
    /* Formulario más compacto */
    .admission-form {
        padding: 1rem;
    }
    
    /* Campos de teléfono en columna */
    .phone-container {
        flex-direction: column;
        gap: 0.3rem;
    }
    
    .country-selector {
        width: 100%;
    }
    
    .country-selector select {
        font-size: 0.8rem;
        padding: 0.5rem;
    }
    
    .phone-input {
        width: 100%;
        font-size: 0.9rem;
    }
    
    /* Botón más pequeño */
    .submit-btn {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
}

/* ===== ESTILOS RESPONSIVOS PARA MENSAJES DE ESTADO ===== */
@media (max-width: 768px) {
    .form-status {
        width: 90vw;
        max-width: 350px;
    }
    
    .success-state,
    .error-state {
        padding: 1.5rem;
        font-size: 1rem;
    }
    
    .success-icon {
        font-size: 4rem;
    }
}

@media (max-width: 480px) {
    .form-status {
        width: 95vw;
        max-width: 320px;
    }
    
    .success-state,
    .error-state {
        padding: 1.2rem;
        font-size: 0.95rem;
    }
    
    .success-icon {
        font-size: 3.5rem;
    }
}