/* ============================================================
   static/css/main.css
   Hoja de estilos principal - Inper
   ============================================================
   Estructura:
   1. Variables CSS (design tokens)
   2. Reset y base
   3. Tipografía
   4. Header y navegación
   5. Hero / Banner
   6. Tarjetas de producto
   7. Carrito
   8. Formularios (login/register)
   9. Páginas de servicios, FAQ, Nosotros
   10. Footer
   11. Utilidades y animaciones
   ============================================================ */

/* ============================================================
   1. VARIABLES CSS — Design Tokens
   Define colores, tipografías y espaciados en un solo lugar.
   Para cambiar el tema completo, solo modifica este bloque.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,400&display=swap');

:root {
    /* Paleta de colores — Inper Azul Corporativo + Dorado (modo oscuro por defecto) */
    --color-bg:          #415b99;
    --color-surface:     #354d84;
    --color-surface-2:   #2d4275;
    --color-border:      rgba(255,255,255,0.14);
    --color-accent:      #f0b429;
    --color-accent-2:    #ff7b7b;
    --color-accent-glow: rgba(240,180,41,0.32);
    --color-text:        #f0f4ff;
    --color-text-muted:  #9ab3e0;
    --color-success:     #4ade80;
    --color-warning:     #facc15;
    --color-danger:      #f87171;

    /* Tipografía */
    --font-display:  'Syne', sans-serif;       /* Para títulos y hero */
    --font-body:     'DM Sans', sans-serif;     /* Para texto corrido */

    /* Espaciados */
    --space-xs:   0.25rem;
    --space-sm:   0.5rem;
    --space-md:   1rem;
    --space-lg:   1.5rem;
    --space-xl:   2.5rem;
    --space-2xl:  4rem;

    /* Bordes */
    --radius-sm:  6px;
    --radius-md:  12px;
    --radius-lg:  20px;
    --radius-xl:  32px;

    /* Sombras */
    --shadow-card:  0 4px 24px rgba(0,0,0,0.4);
    --shadow-glow:  0 0 40px var(--color-accent-glow);

    /* Transiciones */
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   TEMA CLARO — se activa con [data-theme="light"] en <html>
   ============================================================ */
[data-theme="light"] {
    --color-bg:          #eef2ff;
    --color-surface:     #ffffff;
    --color-surface-2:   #b2d6f9;
    --color-border:      rgba(247, 236, 236, 0.15);
    --color-accent:      #0891b0;
    --color-accent-2:    #e05555;
    --color-accent-glow: rgba(201,148,14,0.25);
    --color-text:        #1a2a5e;
    --color-text-muted:  #000000;
    --color-success:     #16a34a;
    --color-warning:     #d97706;
    --color-danger:      #dc2626;
    --shadow-card:       0 4px 24px rgba(65,91,153,0.12);
}

[data-theme="light"] .header {
    background: rgba(238,242,255,0.92);
}

[data-theme="light"] .search-bar input {
    background: #dde4f5;
    color: #1a2a5e;
}

[data-theme="light"] .search-bar input::placeholder {
    color: #4a6096;
}

[data-theme="light"] .btn-user-menu {
    background: #dde4f5;
    color: #1a2a5e;
}

[data-theme="light"] .footer {
    background: #dde4f5;
}

[data-theme="light"] .btn-outline {
    color: #1a2a5e;
}

[data-theme="light"] ::-webkit-scrollbar-track { background: #eef2ff; }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: #9ab3e0; }

/* Botón toggle tema */
.btn-theme {
    width: 38px;
    height: 38px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.btn-theme:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ============================================================
   2. RESET Y BASE
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.65;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ============================================================
   3. TIPOGRAFÍA
   ============================================================ */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }

.section-title {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-title span {
    color: var(--color-accent);
}

/* ============================================================
   4. HEADER Y NAVEGACIÓN
   ============================================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(27, 38, 85, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 0 var(--space-xl);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    height: 70px;
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    flex-shrink: 0;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-accent), #ffd166);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.logo span { color: var(--color-accent); }
/* ============================================================
   LOGO INPER — Rediseño fiel al logo corporativo
   ============================================================ */
.inper-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    flex-shrink: 0;
}

.inper-logo-svg {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 6px rgba(58,154,181,0.4));
    transition: filter 0.25s ease;
}

.inper-logo:hover .inper-logo-svg {
    filter: drop-shadow(0 0 12px rgba(58,154,181,0.7));
}

.inper-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
    gap: 0.15rem;
}

.inper-logo-name {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.inper-logo-sub {
    font-family: var(--font-body);
    font-size: 0.52rem;
    font-weight: 600;
    color: #3a9ab5;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* Versión pequeña para el footer */
.inper-logo--sm .inper-logo-svg  { width: 32px; height: 32px; }
.inper-logo--sm .inper-logo-name { font-size: 1.05rem; }
.inper-logo--sm .inper-logo-sub  { font-size: 0.44rem; }


/* Barra de búsqueda */
.search-bar {
    flex: 1;
    max-width: 420px;
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 0.55rem 1rem 0.55rem 2.8rem;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-text);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.search-bar input::placeholder { color: var(--color-text-muted); }

.search-bar input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.search-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 0.95rem;
    pointer-events: none;
}

/* Navegación principal */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-left: auto;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-text);
    background: var(--color-surface-2);
}

/* Botones del header */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.btn-cart {
    position: relative;
    width: 42px;
    height: 42px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-text);
    transition: var(--transition);
}

.btn-cart:hover { border-color: var(--color-accent); color: var(--color-accent); }

.cart-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--color-accent-2);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    display: none; /* Oculto por defecto, JS lo muestra */
}

.btn-login {
    padding: 0.5rem 1.2rem;
    background: var(--color-accent);
    color: #1a1a2e;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    transition: var(--transition);
    border: 2px solid var(--color-accent);
}

.btn-login:hover { background: #c9940e; border-color: #c9940e; transform: translateY(-1px); }

.btn-user-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--color-text);
    transition: var(--transition);
}

.btn-user-menu:hover { border-color: var(--color-accent); }

/* ============================================================
   5. HERO SECTION
   ============================================================ */
.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    padding: var(--space-2xl) var(--space-xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 70% 50%, rgba(240,180,41,0.10) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 20% 80%, rgba(100,160,255,0.12) 0%, transparent 60%);
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(240,180,41,0.15);
    border: 1px solid rgba(240,180,41,0.35);
    color: var(--color-accent);
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--space-lg);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-accent), #ff7b7b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 460px;
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.hero-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: var(--transition);
}

.hero-card:hover { transform: translateY(-4px); border-color: var(--color-accent); }
.hero-visual .hero-card:nth-child(1) { grid-column: span 2; }

/* Grid 2×2 para la sección de servicios en la home */
.services-mini-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Banner de servicios en la home */
.services-banner {
    padding: var(--space-2xl) var(--space-xl);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-top: var(--space-2xl);
}

.services-banner-inner {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.hero-card .big-num {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent);
}

/* ============================================================
   6. BOTONES GLOBALES
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background: #c9940e;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--color-accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-danger {
    background: transparent;
    color: var(--color-danger);
    border: 1px solid rgba(248,113,113,0.3);
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.btn-danger:hover { background: rgba(248,113,113,0.1); }

/* ============================================================
   7. SECCIÓN DE PRODUCTOS (CATÁLOGO)
   ============================================================ */
.section {
    padding: var(--space-2xl) var(--space-xl);
    max-width: 1280px;
    margin: 0 auto;
}

/* Filtros del catálogo */
/* ── Layout catálogo ─────────────────────────────────────── */
.catalog-layout {
    display: block;
}

.catalog-filters {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    align-items: center;
}

.filter-chip {
    padding: 0.5rem 1.1rem;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.filter-chip:hover, .filter-chip.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

/* Grid de productos */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

/* Tarjeta de producto */
.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(240,180,41,0.45);
    box-shadow: var(--shadow-glow);
}

.product-card-img {
    height: 220px;
    width: 100%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    padding: 12px;
    transition: transform 0.4s ease;
}

.product-card:hover .product-card-img img { transform: scale(1.05); }

.product-card-img .img-placeholder {
    font-size: 3rem;
    color: var(--color-text-muted);
}

.badge-oferta {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--color-accent-2);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-stock {
    display: inline-block;
    background: rgba(220,38,38,0.15);
    color: #ef4444;
    border: 1px solid rgba(220,38,38,0.4);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.55rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-card-body {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: var(--space-xs);
}

.product-category {
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.product-name {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
}

.product-desc {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price-row {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: var(--space-sm);
}

.price-current {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-text);
}

.iva-badge {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(240,180,41,0.12);
    border: 1px solid rgba(240,180,41,0.3);
    border-radius: 4px;
    padding: 0.15rem 0.4rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.price-original {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.btn-add-cart {
    width: 100%;
    margin-top: var(--space-sm);
    padding: 0.65rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.btn-add-cart:hover { background: #c9940e; transform: translateY(-1px); }
.btn-add-cart.added  { background: var(--color-success); color: var(--color-bg); }

/* Estado de carga */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-2xl);
    color: var(--color-text-muted);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-surface-2);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 1rem;
}

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

/* ============================================================
   8. CARRITO
   ============================================================ */
.cart-page {
    padding: var(--space-2xl) var(--space-xl);
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-xl);
    align-items: start;
}

.cart-items-list { display: flex; flex-direction: column; gap: var(--space-md); }

.cart-item {
    display: grid;
    grid-template-columns: 90px 1fr auto;
    gap: var(--space-md);
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: var(--transition);
}

.cart-item:hover { border-color: var(--color-accent); }

.cart-item-img {
    width: 90px;
    height: 90px;
    background: var(--color-surface-2);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-item-img img { width: 100%; height: 100%; object-fit: contain; object-position: center; padding: 4px; }
.cart-item-img .img-placeholder { font-size: 2rem; color: var(--color-text-muted); }

.cart-item-info h4 { font-size: 0.95rem; margin-bottom: 0.25rem; }
.cart-item-info .cat { font-size: 0.75rem; color: var(--color-accent); }
.cart-item-info .price { font-weight: 700; color: var(--color-accent); margin-top: 0.4rem; }

.cart-item-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-sm);
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.qty-btn {
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-btn:hover { background: var(--color-accent); color: white; }
.qty-value { width: 36px; text-align: center; font-weight: 700; }

.cart-summary {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: sticky;
    top: 90px;
}

.cart-summary h3 { margin-bottom: var(--space-lg); }

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
}

.summary-row.total {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    border-bottom: none;
    padding-top: var(--space-md);
}

.summary-row .val { color: var(--color-text); }

.btn-checkout {
    width: 100%;
    margin-top: var(--space-lg);
    padding: 0.9rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-display);
}

.btn-checkout:hover { background: #c9940e; transform: translateY(-2px); }

.cart-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-2xl);
    color: var(--color-text-muted);
}

.cart-empty .empty-icon { font-size: 4rem; margin-bottom: var(--space-md); }

/* ============================================================
   9. FORMULARIOS LOGIN / REGISTER
   ============================================================ */
.auth-page {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background:
        radial-gradient(ellipse 50% 60% at 50% 0%, rgba(240,180,41,0.08) 0%, transparent 70%);
}

.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-card);
}

.auth-card h2 {
    margin-bottom: 0.5rem;
}

.auth-card .subtitle {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-xl);
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group input.error { border-color: var(--color-danger); }

.form-error {
    font-size: 0.78rem;
    color: var(--color-danger);
    margin-top: 0.3rem;
    display: none;
}

.form-error.visible { display: block; }

.btn-submit {
    width: 100%;
    padding: 0.85rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    margin-top: var(--space-md);
    font-family: var(--font-display);
    letter-spacing: 0.02em;
}

.btn-submit:hover { background: #c9940e; transform: translateY(-2px); box-shadow: 0 8px 25px var(--color-accent-glow); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.auth-link {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.auth-link a { color: var(--color-accent); font-weight: 600; }
.auth-link a:hover { text-decoration: underline; }

/* Mensajes de alerta globales */
.alert {
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    margin-bottom: var(--space-md);
    display: none;
}

.alert.visible { display: block; }
.alert-error   { background: rgba(248,113,113,0.15); border: 1px solid rgba(248,113,113,0.3); color: var(--color-danger); }
.alert-success { background: rgba(74,222,128,0.15); border: 1px solid rgba(74,222,128,0.3); color: var(--color-success); }

/* ============================================================
   10. SERVICIOS
   ============================================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent-glow) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover { transform: translateY(-4px); border-color: rgba(240,180,41,0.45); }
.service-card:hover::before { opacity: 1; }

.service-icon {
    width: 52px;
    height: 52px;
    background: rgba(240,180,41,0.15);
    border: 1px solid rgba(240,180,41,0.3);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.service-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.service-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.service-price {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-accent);
    position: relative;
    z-index: 1;
}

.service-price .from { font-size: 0.7rem; font-weight: 400; color: var(--color-text-muted); }
.service-duration { font-size: 0.78rem; color: var(--color-text-muted); margin-top: 0.25rem; position: relative; z-index: 1; }

/* ============================================================
   11. FAQ
   ============================================================ */
.faq-list {
    max-width: 760px;
    margin: var(--space-xl) auto 0;
}

.faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.open { border-color: rgba(240,180,41,0.45); }

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    user-select: none;
}

.faq-chevron {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
    color: var(--color-text-muted);
}

.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--color-accent); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.3s ease;
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 var(--space-lg) var(--space-md);
}

/* ============================================================
   12. NOSOTROS
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.stat-card {
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
}

.stat-card .num {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
}

.stat-card .lbl { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 0.25rem; }

.about-visual {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-visual::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent 0deg, rgba(240,180,41,0.06) 60deg, transparent 120deg);
    animation: rotate-slow 10s linear infinite;
}

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

.about-visual .big-icon {
    font-size: 5rem;
    position: relative;
    z-index: 1;
}

/* ============================================================
   13. FOOTER
   ============================================================ */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--space-2xl) var(--space-xl) var(--space-lg);
    margin-top: var(--space-2xl);
}

.footer-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    margin: var(--space-md) 0;
    line-height: 1.7;
    max-width: 280px;
}

.social-links {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.social-link {
    width: 38px;
    height: 38px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    transition: var(--transition);
}

.social-link:hover { background: var(--color-accent); border-color: var(--color-accent); color: white; }

.footer-col h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }

.footer-col ul li a {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    transition: var(--transition);
}

.footer-col ul li a:hover { color: var(--color-accent); padding-left: 4px; }

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.88rem;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* ============================================================
   14. TOAST NOTIFICATION
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.8rem 1.2rem;
    min-width: 280px;
    max-width: 360px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-card);
    animation: slideIn 0.3s ease;
    font-size: 0.88rem;
}

.toast.success { border-color: rgba(74,222,128,0.4); }
.toast.error   { border-color: rgba(248,113,113,0.4); }
.toast.info    { border-color: rgba(240,180,41,0.4); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to   { transform: translateX(110%); opacity: 0; }
}

.toast.removing { animation: slideOut 0.3s ease forwards; }

/* ============================================================
   15. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .hero-content       { grid-template-columns: 1fr; }
    .hero-visual        { display: none; }
    .about-grid         { grid-template-columns: 1fr; }
    .footer-grid        { grid-template-columns: 1fr 1fr; }
    .cart-page          { grid-template-columns: 1fr; }
    .cart-summary       { position: static; }
}

@media (max-width: 768px) {
    :root { --space-xl: 1.5rem; --space-2xl: 2.5rem; }

    .header { padding: 0 var(--space-md); }
    .nav    { display: none; }
    .search-bar { max-width: 200px; }

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

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

    .cart-item { grid-template-columns: 70px 1fr; }
    .cart-item-controls { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; }
}

/* ============================================================
   16. SCROLLBAR PERSONALIZADA
   ============================================================ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-surface-2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }


/* ============================================================
   17. DESTELLOS DE FONDO — Círculos degradado animados
   ============================================================ */

.bg-flares {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bg-flares::before,
.bg-flares::after,
.bg-flares span:nth-child(1),
.bg-flares span:nth-child(2),
.bg-flares span:nth-child(3) {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(145, 227, 242, 0.18) 0%,
        rgba(240, 240, 240, 0.07) 45%,
        transparent 70%
    );
    animation: flare-pulse var(--flare-duration, 6s) ease-in-out infinite;
    animation-delay: var(--flare-delay, 0s);
    opacity: 0;
    width: var(--flare-size, 500px);
    height: var(--flare-size, 500px);
    top: var(--flare-top, 30%);
    left: var(--flare-left, 20%);
    transform: translate(-50%, -50%) scale(0.4);
    filter: blur(18px);
}

/* Destello 1 — arriba izquierda, grande, lento */
.bg-flares::before {
    --flare-size: 600px;
    --flare-top: 15%;
    --flare-left: 10%;
    --flare-duration: 7s;
    --flare-delay: 0s;
    background: radial-gradient(
        circle,
        rgba(240, 240, 240, 0.15) 0%,
        rgba(145, 227, 242, 0.08) 50%,
        transparent 40%
    );
}

/* Destello 2 — centro derecha */
.bg-flares::after {
    --flare-size: 480px;
    --flare-top: 55%;
    --flare-left: 82%;
    --flare-duration: 9s;
    --flare-delay: 2.5s;
}

/* Destello 3 — abajo centro */
.bg-flares span:nth-child(1) {
    content: '';
    --flare-size: 420px;
    --flare-top: 80%;
    --flare-left: 45%;
    --flare-duration: 8s;
    --flare-delay: 1.2s;
    background: radial-gradient(
        circle,
        rgba(145, 227, 242, 0.2) 0%,
        rgba(240, 240, 240, 0.05) 40%,
        transparent 40%
    );
}

/* Destello 4 — arriba derecha, pequeño, rápido */
.bg-flares span:nth-child(2) {
    content: '';
    --flare-size: 300px;
    --flare-top: 8%;
    --flare-left: 70%;
    --flare-duration: 5.5s;
    --flare-delay: 3.8s;
    background: radial-gradient(
        circle,
        rgba(240, 240, 240, 0.12) 0%,
        rgba(145, 227, 242, 0.06) 50%,
        transparent 40%
    );
}

/* Destello 5 — centro izquierda */
.bg-flares span:nth-child(3) {
    content: '';
    --flare-size: 560px;
    --flare-top: 50%;
    --flare-left: 18%;
    --flare-duration: 10s;
    --flare-delay: 5s;
}

@keyframes flare-pulse {
    0%   { opacity: 0;    transform: translate(-50%, -50%) scale(0.3); }
    30%  { opacity: 1;    transform: translate(-50%, -50%) scale(1);   }
    70%  { opacity: 0.7;  transform: translate(-50%, -50%) scale(1.1); }
    100% { opacity: 0;    transform: translate(-50%, -50%) scale(0.3); }
}


/* ============================================================
   18. CURSOR TRAIL — Rastro de destello cian
   ============================================================ */
.cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 99999;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    mix-blend-mode: screen;
    will-change: transform, opacity;
}

/* Punto principal que sigue al cursor */
.cursor-dot--main {
    width: 10px;
    height: 10px;
    background: #91E3F2;
    box-shadow:
        0 0 6px  2px rgba(145, 227, 242, 0.9),
        0 0 14px 4px rgba(145, 227, 242, 0.5),
        0 0 28px 6px rgba(145, 227, 242, 0.2);
    transition: opacity 0.2s ease;
}

/* Partículas del rastro */
.cursor-dot--trail {
    background: radial-gradient(
        circle,
        rgba(145, 227, 242, var(--trail-opacity, 0.8)) 0%,
        rgba(100, 200, 240, var(--trail-opacity, 0.4)) 40%,
        transparent 70%
    );
    box-shadow: 0 0 8px 2px rgba(242, 213, 145, 0.3);
    transition: none;
}

.legal-page {
    min-height: 80vh;
    padding: 80px 24px 60px;
    background: var(--color-bg);
}

.legal-container {
    max-width: 820px;
    margin: 0 auto;
}

.legal-header {
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.legal-tag {
    display: inline-block;
    background: rgba(240,180,41,0.15);
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(240,180,41,0.35);
    margin-bottom: 16px;
}

.legal-header h1 {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 800;
    color: var(--color-text);
    margin: 0 0 8px;
    line-height: 1.2;
}

.legal-date {
    color: var(--color-text-muted);
    font-size: 14px;
    margin: 0;
}

.legal-body h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin: 40px 0 12px;
    padding-left: 12px;
    border-left: 3px solid var(--color-accent);
}

.legal-body h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    margin: 24px 0 8px;
}

.legal-body p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
    font-size: 15px;
}

.legal-body ul,
.legal-body ol {
    color: var(--color-text-muted);
    line-height: 1.8;
    font-size: 15px;
    padding-left: 24px;
    margin-bottom: 16px;
}

.legal-body li {
    margin-bottom: 6px;
}

.legal-body a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(240,180,41,0.3);
    transition: border-color 0.2s;
}

.legal-body a:hover {
    border-color: var(--color-accent);
}

.legal-body strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ============================================================
   FOOTER LEGAL LINKS
   ============================================================ */

.footer-legal-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-legal-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 13px;
}

.footer-legal-links a:hover {
    color: var(--color-text);
}

@media (max-width: 640px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-legal-links {
        justify-content: center;
    }
    .legal-page {
        padding: 60px 16px 40px;
    }
}

/* ============================================================
   RESPONSIVE MÓVIL — Menú hamburguesa y layout
   ============================================================ */

/* Botón hamburguesa */
.btn-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px; height: 38px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
    flex-shrink: 0;
}
.btn-hamburger span {
    display: block;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}
.btn-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.btn-hamburger.open span:nth-child(2) { opacity: 0; }
.btn-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Panel menú móvil */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    z-index: 999;
    padding: 1rem;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}
.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 998;
    background: rgba(0,0,0,0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.mobile-menu-overlay.open { opacity: 1; pointer-events: all; }

.mobile-menu-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.75rem;
}
.mobile-menu-search input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--color-text);
    font-size: 0.9rem;
    font-family: inherit;
}
.mobile-menu-search input::placeholder { color: var(--color-text-muted); }

.mobile-nav { display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-nav-link {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.15s;
}
.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: var(--color-surface-2);
    color: var(--color-accent);
}

@media (max-width: 768px) {
    /* Mostrar hamburguesa, ocultar nav y barra de búsqueda del header */
    .btn-hamburger { display: flex; }
    .nav           { display: none !important; }
    .search-bar    { display: none; }
    .mobile-menu, .mobile-menu-overlay { display: block; }

    /* Header más compacto */
    .header-inner  { gap: 0.5rem; }
    .inper-logo-sub { display: none; }

    /* Login / Register: ocupar toda la pantalla */
    .auth-page { padding: 1rem 0.75rem; align-items: flex-start; padding-top: 1.5rem; }
    .auth-card { padding: 1.5rem 1rem; border-radius: var(--radius-lg); max-width: 100%; }

    /* Botón usuario: ocultar nombre en móvil */
    .btn-user-menu { padding: 0.4rem 0.5rem; }
    #user-name-display { display: none; }
    .btn-user-menu i[data-lucide="chevron-down"] { display: none; }

    /* Grid de productos: 2 columnas en móvil */
    .products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem;
    }

    /* Tarjetas más compactas */
    .product-card-img  { height: 160px; }
    .product-card-body { padding: 0.75rem; }
    .product-name      { font-size: 0.88rem; }
    .price-current     { font-size: 1.1rem; }
    .btn-add-cart      { font-size: 0.75rem; padding: 0.5rem 0.3rem; }

    /* Hero más compacto */
    .hero { min-height: auto; padding: 3rem 1rem 2rem; }
    .hero h1 { font-size: 2rem; }

    /* Sección general */
    .section { padding: 1.5rem 0.75rem; }

    /* Filtros de categoría: scroll horizontal */
    .catalog-filters {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        scrollbar-width: none;
    }
    .catalog-filters::-webkit-scrollbar { display: none; }
    .filter-chip { flex-shrink: 0; }
}