/**
 * Base Styles - Ondas de Marzo Luxury
 * Modern CSS reset + base typography
 */

/* ========================================
   MODERN CSS RESET
======================================== */

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

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
}

/* Remove default button styles */
button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Remove default list styles */
ul, ol {
    list-style: none;
}

/* Remove default link styles */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Images */
img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Form elements */
input, button, textarea, select {
    font: inherit;
}

input:focus, textarea:focus, select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Tables */
table {
    border-collapse: collapse;
    width: 100%;
}

/* ========================================
   TYPOGRAPHY
======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

h1 {
    font-size: var(--font-size-4xl);
    letter-spacing: var(--letter-spacing-tight);
}

h2 {
    font-size: var(--font-size-3xl);
    letter-spacing: var(--letter-spacing-tight);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-semibold);
}

h6 {
    font-size: var(--font-size-md);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-semibold);
}

p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.lead {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

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

.text-muted {
    color: var(--color-text-light);
}

strong, b {
    font-weight: var(--font-weight-semibold);
}

/* ========================================
   LAYOUT UTILITIES
======================================== */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-fluid {
    width: 100%;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-sm {
    padding: var(--space-2xl) 0;
}

.section-lg {
    padding: var(--space-5xl) 0;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: calc(var(--grid-gap) * -0.5);
    margin-right: calc(var(--grid-gap) * -0.5);
}

.col {
    flex: 1;
    padding-left: calc(var(--grid-gap) * 0.5);
    padding-right: calc(var(--grid-gap) * 0.5);
}

/* ========================================
   AUTO-ADAPTIVE GRID LAYOUTS (Ondas Theme)
   Uso: <div class="ondas-grid ondas-grid-3">
   Nota: Prefijo 'ondas-' para evitar conflicto con Tailwind
======================================== */

.ondas-grid {
    display: grid;
    gap: var(--grid-gap);
    width: 100%;
}

/* Auto-fit grids - se adaptan automáticamente */
.ondas-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.ondas-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

.ondas-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
}

.ondas-grid-5 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
}

/* Grid para productos - optimizado */
.ondas-grid-products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: var(--product-gap, var(--space-lg));
}

/* Grid para cards/features */
.ondas-grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: var(--space-xl);
}

/* Grid para galería de imágenes */
.ondas-grid-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    gap: var(--space-md);
}

/* Grid para footer widgets */
.ondas-grid-footer {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    gap: var(--space-2xl);
}

/* Variantes de gap (con prefijo para evitar conflictos) */
.ondas-gap-sm { gap: var(--space-sm); }
.ondas-gap-md { gap: var(--space-md); }
.ondas-gap-lg { gap: var(--space-lg); }
.ondas-gap-xl { gap: var(--space-xl); }
.ondas-gap-2xl { gap: var(--space-2xl); }

/* Flexbox Utilities */
.d-flex {
    display: flex;
}

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

.align-items-center {
    align-items: center;
}

.justify-content-center {
    justify-content: center;
}

.justify-content-between {
    justify-content: space-between;
}

.flex-wrap {
    flex-wrap: wrap;
}

/* ========================================
   VISIBILITY & SPACING
======================================== */

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Spacing utilities */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

/* ========================================
   FORMS BASE STYLES
======================================== */

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
}

.form-control {
    display: block;
    width: 100%;
    height: var(--input-height);
    padding: var(--input-padding-y) var(--input-padding-x);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-white);
    border: var(--border-width) solid var(--input-border-color);
    border-radius: var(--input-border-radius);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    border-color: var(--input-focus-border-color);
    outline: none;
}

.form-control::placeholder {
    color: var(--color-text-light);
}

textarea.form-control {
    height: auto;
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    background-size: 12px;
    padding-right: calc(var(--space-md) * 2.5);
}

.form-text {
    display: block;
    margin-top: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.form-error {
    color: var(--color-error);
}

/* Checkbox & Radio */
.form-check {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: var(--space-md);
}

.form-check-input {
    width: 20px;
    height: 20px;
    margin-right: var(--space-sm);
    cursor: pointer;
}

.form-check-label {
    cursor: pointer;
    user-select: none;
}

/* ========================================
   RESPONSIVE UTILITIES
======================================== */

@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
    
    .section {
        padding: var(--space-2xl) 0;
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}

/* Nota: La tipografía ahora usa clamp() para escalado fluido automático */
/* No se necesitan overrides de font-size en media queries */

/* ========================================
   LOADING & ANIMATIONS
======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn var(--transition-base);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

/* ========================================
   ACCESSIBILITY
======================================== */

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}