/* ==========================================================================
   TIENDAPC ARGENTINA — SISTEMA DE DISEÑO FLAGSHIP MULTIPERFIL (PHP + MySQL)
   Soporta 3 Templates/Perfiles editables desde Admin:
   1. cyber_obsidian   (ROG Cyber Obsidian Dark — Cian Eléctrico & Cobalto)
   2. cupertino_studio (Cupertino Studio Light — Plata Minimalista & Blanco Puro)
   3. titanium_executive (Titanium Pro — Titanio Cepillado, Esmeralda & Oro)
   ========================================================================== */

:root,
[data-theme="cyber_obsidian"] {
    --bg-primary: #050811;
    --bg-secondary: #090e1c;
    --bg-surface: rgba(13, 20, 38, 0.82);
    --bg-surface-solid: #0d1426;
    --bg-elevated: rgba(20, 30, 56, 0.92);
    --bg-glass: rgba(9, 14, 28, 0.76);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #00f0ff;
    --accent-secondary: #3b82f6;
    --accent-tertiary: #8b5cf6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --border-subtle: rgba(148, 163, 184, 0.14);
    --border-accent: rgba(0, 240, 255, 0.38);
    --shadow-card: 0 22px 50px -12px rgba(0, 0, 0, 0.65);
    --shadow-glow: 0 0 38px rgba(0, 240, 255, 0.18);
    --hero-gradient: radial-gradient(circle at 78% 32%, rgba(0, 240, 255, 0.16) 0%, rgba(59, 130, 246, 0.12) 38%, rgba(5, 8, 17, 0.98) 78%);
    --grid-pattern: linear-gradient(rgba(0, 240, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 240, 255, 0.035) 1px, transparent 1px);
    --badge-text-contrast: #040814;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
}

[data-theme="cupertino_studio"] {
    --bg-primary: #f3f5f9;
    --bg-secondary: #e8ecf4;
    --bg-surface: rgba(255, 255, 255, 0.92);
    --bg-surface-solid: #ffffff;
    --bg-elevated: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.86);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent-primary: #0284c7;
    --accent-secondary: #2563eb;
    --accent-tertiary: #4f46e5;
    --accent-success: #059669;
    --accent-warning: #d97706;
    --accent-danger: #dc2626;
    --border-subtle: rgba(15, 23, 42, 0.10);
    --border-accent: rgba(2, 132, 199, 0.35);
    --shadow-card: 0 18px 40px -15px rgba(15, 23, 42, 0.10);
    --shadow-glow: 0 10px 30px rgba(2, 132, 199, 0.14);
    --hero-gradient: radial-gradient(circle at 75% 30%, rgba(2, 132, 199, 0.10) 0%, rgba(37, 99, 235, 0.06) 45%, #f3f5f9 85%);
    --grid-pattern: linear-gradient(rgba(15, 23, 42, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(15, 23, 42, 0.025) 1px, transparent 1px);
    --badge-text-contrast: #ffffff;
}

[data-theme="titanium_executive"] {
    --bg-primary: #090a0f;
    --bg-secondary: #10121a;
    --bg-surface: rgba(20, 23, 34, 0.88);
    --bg-surface-solid: #141722;
    --bg-elevated: rgba(28, 32, 46, 0.95);
    --bg-glass: rgba(14, 16, 24, 0.82);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent-primary: #10b981;
    --accent-secondary: #f59e0b;
    --accent-tertiary: #06b6d4;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --border-subtle: rgba(255, 255, 255, 0.11);
    --border-accent: rgba(16, 185, 129, 0.42);
    --shadow-card: 0 24px 52px -12px rgba(0, 0, 0, 0.72);
    --shadow-glow: 0 0 36px rgba(16, 185, 129, 0.18);
    --hero-gradient: radial-gradient(circle at 78% 32%, rgba(16, 185, 129, 0.14) 0%, rgba(245, 158, 11, 0.08) 40%, #090a0f 80%);
    --grid-pattern: linear-gradient(rgba(16, 185, 129, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(16, 185, 129, 0.03) 1px, transparent 1px);
    --badge-text-contrast: #05140e;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lexend', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    background-image: var(--grid-pattern);
    background-size: 44px 44px;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.35s ease, color 0.35s ease;
}

h1, h2, h3, h4, .font-display {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

.font-mono {
    font-family: 'JetBrains Mono', monospace;
}

.container {
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   TOP BAR & NAVBAR GLASSMORPHIC
   ========================================================================== */
.announcement-bar {
    background: linear-gradient(90deg, #060b19 0%, #0e1e40 50%, #060b19 100%);
    border-bottom: 1px solid var(--border-subtle);
    color: #e2e8f0;
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    padding: 9px 16px;
}

.announcement-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    max-width: 1360px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.theme-quick-switcher {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.07);
    padding: 3px 6px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.theme-pill-btn {
    background: transparent;
    border: none;
    color: #cbd5e1;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-pill-btn.active {
    background: var(--accent-primary);
    color: var(--badge-text-contrast);
    font-weight: 700;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 78px;
    gap: 20px;
}

.brand-logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-logo-img {
    height: 38px;
    width: auto;
    aspect-ratio: 320 / 64;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 999px;
    transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background: rgba(148, 163, 184, 0.12);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 11px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: #040814;
    box-shadow: var(--shadow-glow);
}

[data-theme="cupertino_studio"] .btn-primary {
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    filter: brightness(1.08);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    transform: translateY(-1px);
}

.cart-trigger-btn {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--border-accent);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.cart-badge {
    background: var(--accent-primary);
    color: var(--badge-text-contrast);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 999px;
}

/* ==========================================================================
   HERO SHOWCASE CARRUSEL REDISEÑADO (SPLIT STAGE + VIDEO + 3D PIP)
   ========================================================================== */
.hero-section {
    position: relative;
    padding: 36px 0 48px;
    background: var(--hero-gradient);
    border-bottom: 1px solid var(--border-subtle);
    overflow: hidden;
}

.hero-stage-card {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--border-accent);
    border-radius: 26px;
    box-shadow: var(--shadow-card), var(--shadow-glow);
    overflow: hidden;
    min-height: 540px;
    display: grid;
    grid-template-columns: 1.05fr 1.15fr;
    align-items: stretch;
}

.hero-copy-col {
    padding: 46px 44px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 2;
    position: relative;
}

.hero-badge-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.hero-kicker-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 240, 255, 0.12);
    border: 1px solid var(--border-accent);
    color: var(--accent-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 6px 13px;
    border-radius: 999px;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(2.1rem, 3.6vw, 3.35rem);
    font-weight: 800;
    line-height: 1.07;
    margin-bottom: 16px;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.01rem;
    line-height: 1.65;
    margin-bottom: 22px;
}

.hero-specs-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.spec-pill {
    background: rgba(148, 163, 184, 0.10);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.76rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 8px;
}

.hero-price-box {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding: 16px 20px;
    background: rgba(5, 8, 17, 0.45);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    margin-bottom: 24px;
}

[data-theme="cupertino_studio"] .hero-price-box {
    background: #f8fafc;
}

.hero-transfer-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1.1;
}

.hero-transfer-label {
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent-success);
    letter-spacing: 0.05em;
}

.hero-list-price {
    font-size: 0.88rem;
    color: var(--text-secondary);
    border-left: 1px solid var(--border-subtle);
    padding-left: 18px;
}

.hero-cta-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Columna Visual Derecha del Carrusel: Escenario Hardware Encuadrado */
.hero-visual-col {
    position: relative;
    background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.16) 0%, rgba(8, 13, 26, 0.94) 85%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 28px;
    border-left: 1px solid var(--border-subtle);
    overflow: hidden;
}

.hero-media-frame {
    position: relative;
    width: 100%;
    height: 390px;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: #050811;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-main-img.fit-contain {
    object-fit: contain;
    padding: 18px;
    background: radial-gradient(circle at center, #111c35 0%, #050811 100%);
}

.hero-stage-card:hover .hero-main-img {
    transform: scale(1.03);
}

.hero-main-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Tarjeta flotante PIP (Vista de Estudio Blanca o Detalle Pantalla) */
.hero-floating-pip {
    position: absolute;
    bottom: 42px;
    left: 42px;
    width: 136px;
    height: 96px;
    background: #ffffff;
    border-radius: 14px;
    padding: 6px;
    border: 2px solid var(--accent-primary);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.55);
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.25s ease;
    z-index: 5;
}

.hero-floating-pip:hover {
    transform: scale(1.08) translateY(-3px);
}

.hero-floating-pip img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.hero-pip-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(5, 8, 17, 0.86);
    color: #fff;
    font-size: 0.62rem;
    font-weight: 700;
    text-align: center;
    padding: 2px 4px;
}

.hero-media-controls {
    position: absolute;
    top: 40px;
    right: 42px;
    z-index: 6;
    display: flex;
    gap: 8px;
}

.media-mode-btn {
    background: rgba(5, 8, 17, 0.78);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #f8fafc;
    font-size: 0.74rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.media-mode-btn.active,
.media-mode-btn:hover {
    background: var(--accent-primary);
    color: #040814;
    border-color: var(--accent-primary);
}

.hero-carousel-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    gap: 16px;
}

.hero-dots {
    display: flex;
    gap: 10px;
}

.hero-dot {
    height: 10px;
    width: 36px;
    border-radius: 999px;
    background: var(--border-subtle);
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
}

.hero-dot.active {
    width: 64px;
    background: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   TRUST & LOGISTICS BAR (ANDREANI + MERCADO PAGO + FACTURA A/B)
   ========================================================================== */
.trust-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 32px 0;
}

.trust-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.trust-icon-box {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(0, 240, 255, 0.10);
    border: 1px solid var(--border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    flex-shrink: 0;
    font-size: 1.2rem;
}

/* ==========================================================================
   CATEGORÍAS (LAS 6 CATEGORÍAS ORIGINALES + ALTA/BAJA DESDE ADMIN)
   ========================================================================== */
.categories-bar {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 8px 0 20px;
    scrollbar-width: thin;
}

.category-chip {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    padding: 11px 18px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.category-chip:hover,
.category-chip.active {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.16), rgba(59, 130, 246, 0.14));
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.cat-count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    padding: 2px 7px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.15);
}

/* ==========================================================================
   GRILLA DE PRODUCTOS FLAGSHIP
   ========================================================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 26px;
    margin-bottom: 56px;
}

.product-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.product-media-wrap {
    position: relative;
    height: 265px;
    background: radial-gradient(circle at center, #131f3a 0%, #070b16 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-media-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-badge-top {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(5, 8, 17, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-accent);
    color: var(--accent-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 5px 11px;
    border-radius: 999px;
    z-index: 2;
}

.product-video-pill {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 240, 255, 0.92);
    color: #040814;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 999px;
    z-index: 2;
}

.product-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-meta-line {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.74rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.product-title {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.product-subtitle {
    font-size: 0.86rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.product-specs-mini {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 20px;
}

.spec-mini-item {
    background: rgba(148, 163, 184, 0.07);
    border: 1px solid var(--border-subtle);
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 0.75rem;
}

.spec-mini-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.68rem;
    text-transform: uppercase;
}

.spec-mini-val {
    font-weight: 700;
    color: var(--text-primary);
}

.product-pricing-block {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.price-transfer-big {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1.1;
}

.price-transfer-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent-success);
    text-transform: uppercase;
}

.price-list-small {
    text-align: right;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   COMPARADOR INTERACTIVO CHUWI & CALCULADOR ANDREANI EN VIVO
   ========================================================================== */
.comparison-section {
    margin: 56px 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 36px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 24px;
}

.comparison-table th,
.comparison-table td {
    padding: 15px 18px;
    border-bottom: 1px solid var(--border-subtle);
    text-align: left;
    font-size: 0.92rem;
}

.comparison-table th {
    color: var(--accent-primary);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.05rem;
    background: rgba(148, 163, 184, 0.05);
}

/* ==========================================================================
   MODALES (DETALLE DE PRODUCTO CON VIDEO/GALERÍA Y CHECKOUT ANDREANI + AFIP)
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(3, 6, 14, 0.82);
    backdrop-filter: blur(12px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

.modal-backdrop.open {
    display: flex;
}

.modal-window {
    background: var(--bg-surface-solid);
    border: 1px solid var(--border-accent);
    border-radius: 24px;
    width: 100%;
    max-width: 1060px;
    max-height: 92vh;
    overflow-y: auto;
    box-shadow: var(--shadow-card);
    position: relative;
    padding: 32px;
}

.modal-close-btn {
    position: sticky;
    top: 0;
    float: right;
    background: rgba(148, 163, 184, 0.16);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    width: 38px;
    height: 38px;
    border-radius: 999px;
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 10;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-input,
.form-select,
.form-textarea {
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 11px 14px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.92rem;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
}

.shipping-option-card {
    border: 1px solid var(--border-subtle);
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    margin-bottom: 8px;
    transition: all 0.2s ease;
}

.shipping-option-card.selected {
    border-color: var(--accent-primary);
    background: rgba(0, 240, 255, 0.08);
}

.shipping-option-card.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.08);
    pointer-events: none;
    filter: grayscale(1);
}

.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 56px 0 32px;
    margin-top: 64px;
}

@media (max-width: 980px) {
    .hero-stage-card {
        grid-template-columns: 1fr;
    }
    .hero-visual-col {
        border-left: none;
        border-top: 1px solid var(--border-subtle);
    }
    .trust-strip {
        grid-template-columns: 1fr 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .trust-strip {
        grid-template-columns: 1fr;
    }
    .products-grid {
        grid-template-columns: 1fr;
    }
    .nav-links {
        display: none;
    }
}

/* BOTÓN FLOTANTE WHATSAPP OFICIAL TIENDAPC */
.whatsapp-floating-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #25D366;
    color: #ffffff;
    padding: 12px 18px;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.whatsapp-floating-btn:hover {
    background: #20bd5a;
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 14px 30px rgba(37, 211, 102, 0.6);
    color: #ffffff;
}
.whatsapp-floating-btn svg {
    flex-shrink: 0;
}
@media (max-width: 640px) {
    .whatsapp-floating-btn {
        bottom: 18px;
        right: 18px;
        padding: 14px;
        border-radius: 50%;
    }
    .whatsapp-floating-label {
        display: none;
    }
}