/**
 * J&L.TECH - DESIGN SYSTEM BASE CSS
 * Modern CSS Reset, Design Tokens, Typography & Utilities
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css');

:root {
    /* Paleta Cromática Principal (Tecnológica / Corporativa) */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-glow: rgba(37, 99, 235, 0.25);

    --secondary: #0f172a;
    --secondary-hover: #1e293b;
    --secondary-light: #334155;

    --accent: #06b6d4;
    --accent-glow: rgba(6, 182, 212, 0.3);

    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --whatsapp: #25D366;
    --whatsapp-hover: #20bd5a;

    /* Superficies y Fondos */
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-alt: #f1f5f9;
    --bg-dark: #090d16;
    --bg-dark-surface: #111827;

    /* Textos */
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;

    /* Bordes y Sombras */
    --border-color: #e2e8f0;
    --border-dark: #1e293b;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.18);

    /* Tipografías */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y Normalización */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    width: 100%;
}

main {
    flex: 1 0 auto;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

ul,
ol {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--secondary);
    line-height: 1.25;
}

p {
    margin-bottom: 1rem;
}

p:last-child {
    margin-bottom: 0;
}

/* Contenedores */
.container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.container-fluid {
    width: 100%;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
    color: var(--text-white);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--text-white);
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
    color: var(--text-white);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    background-color: var(--bg-surface);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline-white {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--text-white);
}

.btn-outline-white:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--text-white);
    color: var(--text-white);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
    background: linear-gradient(135deg, #20bd5a 0%, #0e7064 100%);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-danger {
    background-color: var(--danger);
    color: var(--text-white);
}

.btn-danger:hover {
    background-color: #dc2626;
    color: var(--text-white);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 0.95rem 2rem;
    font-size: 1.05rem;
    border-radius: var(--radius-lg);
}

.btn-icon {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* Badges / Etiquetas */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-heading);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
}

.badge-primary {
    background-color: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.badge-secondary {
    background-color: var(--bg-alt);
    color: var(--text-muted);
}

.badge-success {
    background-color: var(--success-light);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-danger {
    background-color: var(--danger-light);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-accent {
    background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
    color: var(--text-white);
    box-shadow: 0 2px 8px rgba(234, 88, 12, 0.3);
}

/* Formularios */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.4rem;
}

.form-control,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Alertas Flash */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background-color: var(--success-light);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #065f46;
}

.alert-error,
.alert-danger {
    background-color: var(--danger-light);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #991b1b;
}

.alert-warning {
    background-color: var(--warning-light);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #92400e;
}

/* Grid System y Utilidades */
.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 992px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .grid-cols-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .grid-cols-4,
    .grid-cols-3,
    .grid-cols-2 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
}

.gap-3 {
    gap: 0.75rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-6 {
    gap: 1.5rem;
}

.gap-8 {
    gap: 2rem;
}

.flex {
    display: flex;
}

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

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

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

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

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

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

.text-right {
    text-align: right;
}

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

.text-primary {
    color: var(--primary);
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.mt-8 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

/* Responsive Grids */
@media (max-width: 1024px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-cols-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {

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

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}