/* ============================================================
   THSCREEN — Sistema de Diseño Principal
   Paleta: #C32D2E · #4B5563 · #DDC140 · #FFFFFF
   Stack:  CSS3 puro · Flexbox · Grid · Custom Properties
   ============================================================ */

/* ── CSS Reset Moderno ──────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    min-height: 100dvh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

input, button, textarea, select {
    font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* ── Custom Properties (Paleta Oficial) ─────────────────── */
:root {
    /* Colores institucionales */
    --rojo:            #C32D2E;
    --rojo-hover:      #A82425;
    --rojo-light:      rgba(195, 45, 46, 0.08);
    --rojo-glow:       rgba(195, 45, 46, 0.25);

    --gris:            #4B5563;
    --gris-hover:      #374151;
    --gris-light:      #6B7280;
    --gris-border:     #D1D5DB;
    --gris-bg:         #F3F4F6;

    --dorado:          #DDC140;
    --dorado-hover:    #C5AB35;
    --dorado-light:    rgba(221, 193, 64, 0.12);

    --blanco:          #FFFFFF;
    --negro:           #1A1A1A;
    --negro-suave:     #111111;

    /* Superficies */
    --surface-primary:    var(--blanco);
    --surface-secondary:  var(--gris-bg);
    --surface-dark:       var(--negro-suave);
    --surface-card:       var(--blanco);

    /* Tipografía */
    --font-primary:    'Outfit', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-mono:       'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    --fs-hero:         clamp(2.25rem, 5vw + 1rem, 4rem);
    --fs-h1:           clamp(2rem, 4vw + 0.5rem, 3.25rem);
    --fs-h2:           clamp(1.625rem, 3vw + 0.25rem, 2.5rem);
    --fs-h3:           clamp(1.25rem, 2vw + 0.25rem, 1.75rem);
    --fs-body:         1rem;
    --fs-body-lg:      1.125rem;
    --fs-small:        0.875rem;
    --fs-micro:        0.75rem;

    --fw-regular:      400;
    --fw-medium:       500;
    --fw-semibold:     600;
    --fw-bold:         700;
    --fw-extrabold:    800;

    /* Espaciado */
    --space-xs:        0.5rem;
    --space-sm:        0.75rem;
    --space-md:        1rem;
    --space-lg:        1.5rem;
    --space-xl:        2rem;
    --space-2xl:       3rem;
    --space-3xl:       4rem;
    --space-4xl:       6rem;
    --space-5xl:       8rem;

    /* Layout */
    --container-max:   1280px;
    --container-pad:   1.25rem;
    --nav-height:      72px;

    /* Bordes y radios */
    --radius-sm:       0.375rem;
    --radius-md:       0.75rem;
    --radius-lg:       1rem;
    --radius-xl:       1.5rem;
    --radius-pill:     100px;

    /* Sombras (tintadas al tono gris) */
    --shadow-sm:       0 1px 3px rgba(75, 85, 99, 0.08), 0 1px 2px rgba(75, 85, 99, 0.06);
    --shadow-md:       0 4px 12px rgba(75, 85, 99, 0.10), 0 2px 4px rgba(75, 85, 99, 0.06);
    --shadow-lg:       0 12px 32px rgba(75, 85, 99, 0.12), 0 4px 8px rgba(75, 85, 99, 0.06);
    --shadow-card:     0 2px 8px rgba(75, 85, 99, 0.07);
    --shadow-hover:    0 8px 24px rgba(195, 45, 46, 0.12), 0 4px 8px rgba(75, 85, 99, 0.06);

    /* Transiciones */
    --ease-out:        cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring:     cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast:   200ms;
    --duration-base:   350ms;
    --duration-slow:   600ms;
}

/* ── Tipografía Global ──────────────────────────────────── */
body {
    font-family: var(--font-primary);
    font-size: var(--fs-body);
    font-weight: var(--fw-regular);
    color: var(--gris);
    background-color: var(--surface-primary);
}

h1, h2, h3, h4 {
    color: var(--negro);
    font-weight: var(--fw-bold);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p {
    max-width: 70ch;
    line-height: 1.7;
}

.text-accent   { color: var(--rojo); }
.text-gold     { color: var(--dorado); }
.text-white    { color: var(--blanco); }
.text-center   { text-align: center; }

/* ── Container ──────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

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

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* ── Botones ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: var(--fs-body);
    font-weight: var(--fw-semibold);
    line-height: 1;
    border-radius: var(--radius-pill);
    transition: all var(--duration-base) var(--ease-out);
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background-color: var(--rojo);
    color: var(--blanco);
    box-shadow: 0 2px 8px var(--rojo-glow);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background-color: var(--rojo-hover);
    box-shadow: 0 4px 16px var(--rojo-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--blanco);
    color: var(--negro);
    border: 1.5px solid var(--gris-border);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    border-color: var(--rojo);
    color: var(--rojo);
    box-shadow: var(--shadow-sm);
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--blanco);
}

.btn-whatsapp:hover,
.btn-whatsapp:focus-visible {
    background-color: #1EBE5A;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.btn-outline-white {
    background-color: transparent;
    color: var(--blanco);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover,
.btn-outline-white:focus-visible {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--blanco);
}

/* ── Badge ──────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    font-size: var(--fs-micro);
    font-weight: var(--fw-semibold);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-pill);
    line-height: 1;
}

.badge-gold {
    background-color: var(--dorado-light);
    color: #8B7A1A;
    border: 1px solid rgba(221, 193, 64, 0.2);
}

.badge-red {
    background-color: var(--rojo-light);
    color: var(--rojo);
    border: 1px solid rgba(195, 45, 46, 0.15);
}

/* ── Navegación ─────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-height);
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(75, 85, 99, 0.08);
    transition: background-color var(--duration-base) var(--ease-out),
                box-shadow var(--duration-base) var(--ease-out);
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.nav-logo img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--gris);
    padding: 0.375rem 0;
    position: relative;
    transition: color var(--duration-fast) var(--ease-out);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--rojo);
    border-radius: 2px;
    transition: width var(--duration-base) var(--ease-out);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--negro);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-cta {
    display: none;
}

/* Hamburguesa */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    cursor: pointer;
    z-index: 200;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--negro);
    border-radius: 2px;
    transition: all var(--duration-base) var(--ease-out);
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Menú Mobile */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 150;
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-slow) var(--ease-out),
                visibility var(--duration-slow) var(--ease-out);
}

.mobile-menu.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu a {
    font-size: 1.5rem;
    font-weight: var(--fw-semibold);
    color: var(--negro);
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--duration-slow) var(--ease-out);
}

.mobile-menu.open a {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu.open a:nth-child(1) { transition-delay: 80ms; }
.mobile-menu.open a:nth-child(2) { transition-delay: 130ms; }
.mobile-menu.open a:nth-child(3) { transition-delay: 180ms; }
.mobile-menu.open a:nth-child(4) { transition-delay: 230ms; }
.mobile-menu.open a:nth-child(5) { transition-delay: 280ms; }
.mobile-menu.open a:nth-child(6) { transition-delay: 330ms; }
.mobile-menu.open a:nth-child(7) { transition-delay: 380ms; }
.mobile-menu.open a:nth-child(8) { transition-delay: 430ms; }

.mobile-menu a:hover {
    color: var(--rojo);
}

.mobile-menu .btn {
    margin-top: var(--space-md);
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--duration-slow) var(--ease-out);
    transition-delay: 480ms;
}

.mobile-menu.open .btn {
    transform: translateY(0);
    opacity: 1;
}

/* ── Hero Section ───────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--negro-suave);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(
        135deg,
        rgba(17, 17, 17, 0.88) 0%,
        rgba(17, 17, 17, 0.65) 40%,
        rgba(195, 45, 46, 0.35) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
    padding-top: calc(var(--nav-height) + var(--space-3xl));
    padding-bottom: var(--space-3xl);
}

.hero-content .badge {
    margin-bottom: var(--space-lg);
}

.hero h1 {
    font-size: var(--fs-hero);
    font-weight: var(--fw-extrabold);
    color: var(--blanco);
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
    max-width: 16ch;
}

.hero h1 span {
    color: var(--dorado);
}

.hero-subtitle {
    font-size: var(--fs-body-lg);
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.65;
    max-width: 52ch;
    margin-bottom: var(--space-2xl);
}

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

/* ── Category Hero (Header de Categorías/Páginas internas) ── */
.category-hero {
    position: relative;
    min-height: 45vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--negro-suave);
    padding-top: calc(var(--nav-height) + var(--space-xl));
    padding-bottom: var(--space-2xl);
}

.category-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.category-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.category-hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
}

.category-hero-content h1 {
    font-size: var(--fs-h1);
    font-weight: var(--fw-extrabold);
    color: var(--blanco);
    line-height: 1.15;
    margin-top: var(--space-md);
    margin-bottom: var(--space-md);
    max-width: 24ch;
}

.category-hero-content p {
    font-size: var(--fs-body-lg);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    max-width: 65ch;
    margin-bottom: var(--space-lg);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--fs-small);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-xs);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumb a:hover {
    color: var(--dorado);
}

.breadcrumb span[aria-current="page"] {
    color: var(--blanco);
    font-weight: var(--fw-medium);
}


/* ── Categorías (Grid de Productos) ─────────────────────── */
.categories {
    background-color: var(--surface-primary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    margin-inline: auto;
    color: var(--gris-light);
    font-size: var(--fs-body-lg);
}

.categories-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.category-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--surface-card);
    border: 1px solid rgba(75, 85, 99, 0.08);
    box-shadow: var(--shadow-card);
    transition: all var(--duration-base) var(--ease-out);
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.category-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: rgba(195, 45, 46, 0.2);
}

.category-card-image {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--gris-bg);
}

.category-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

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

.category-card-body {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.category-card-body h3 {
    font-size: var(--fs-h3);
    margin-bottom: var(--space-xs);
    transition: color var(--duration-fast) var(--ease-out);
}

.category-card:hover .category-card-body h3 {
    color: var(--rojo);
}

.category-card-body p {
    font-size: var(--fs-small);
    color: var(--gris-light);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.category-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--rojo);
    transition: gap var(--duration-base) var(--ease-out);
}

.category-card:hover .category-card-link {
    gap: 0.625rem;
}

.category-card-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--duration-base) var(--ease-out);
}

.category-card:hover .category-card-link svg {
    transform: translateX(3px);
}

/* ── Sección de Confianza ───────────────────────────────── */
.trust {
    background-color: var(--surface-secondary);
}

.trust-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.trust-content h2 {
    margin-bottom: var(--space-md);
}

.trust-content > p {
    font-size: var(--fs-body-lg);
    color: var(--gris);
    margin-bottom: var(--space-2xl);
}

.trust-badges {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.trust-badge {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.trust-badge-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--rojo-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-badge-icon svg {
    width: 24px;
    height: 24px;
    color: var(--rojo);
}

.trust-badge h4 {
    font-size: var(--fs-body);
    font-weight: var(--fw-semibold);
    color: var(--negro);
    margin-bottom: 0.125rem;
}

.trust-badge p {
    font-size: var(--fs-small);
    color: var(--gris-light);
    line-height: 1.5;
}

.trust-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.trust-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* ── FAQ ────────────────────────────────────────────────── */
.faq {
    background-color: var(--surface-primary);
}

.faq-list {
    max-width: 800px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.faq-item {
    border-bottom: 1px solid var(--gris-border);
}

.faq-item:first-child {
    border-top: 1px solid var(--gris-border);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    font-size: var(--fs-body-lg);
    font-weight: var(--fw-semibold);
    color: var(--negro);
    text-align: left;
    cursor: pointer;
    transition: color var(--duration-fast) var(--ease-out);
}

.faq-question:hover {
    color: var(--rojo);
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    position: relative;
    transition: transform var(--duration-base) var(--ease-out);
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    background-color: currentColor;
    border-radius: 2px;
    transition: transform var(--duration-base) var(--ease-out);
}

.faq-icon::before {
    width: 14px;
    height: 2px;
    transform: translate(-50%, -50%);
}

.faq-icon::after {
    width: 2px;
    height: 14px;
    transform: translate(-50%, -50%);
}

.faq-item.open .faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-out);
}

.faq-answer-inner {
    padding-bottom: var(--space-lg);
    font-size: var(--fs-body);
    color: var(--gris);
    line-height: 1.75;
}

/* ── CTA Final ──────────────────────────────────────────── */
.cta-final {
    background: linear-gradient(135deg, var(--negro-suave) 0%, #2D1010 100%);
    text-align: center;
}

.cta-final h2 {
    color: var(--blanco);
    margin-bottom: var(--space-md);
}

.cta-final p {
    color: rgba(255, 255, 255, 0.72);
    font-size: var(--fs-body-lg);
    margin-inline: auto;
    margin-bottom: var(--space-2xl);
}

.cta-final-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
}

/* ── Footer ─────────────────────────────────────────────── */
.site-footer {
    background-color: var(--negro-suave);
    color: rgba(255, 255, 255, 0.65);
    padding-top: var(--space-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-3xl);
}

.footer-brand img {
    height: 32px;
    margin-bottom: var(--space-md);
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: var(--fs-small);
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.65;
    margin-bottom: var(--space-lg);
}

.footer-phone {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--fs-body);
    font-weight: var(--fw-semibold);
    color: var(--blanco);
    transition: color var(--duration-fast) var(--ease-out);
}

.footer-phone:hover {
    color: var(--dorado);
}

.footer-phone svg {
    width: 18px;
    height: 18px;
    color: #25D366;
}

.footer-col h4 {
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--blanco);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-lg);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-col a {
    font-size: var(--fs-small);
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--duration-fast) var(--ease-out);
}

.footer-col a:hover {
    color: var(--blanco);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) var(--ease-out);
}

.footer-social a:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    fill: rgba(255, 255, 255, 0.55);
    transition: fill var(--duration-fast) var(--ease-out);
}

.footer-social a:hover svg {
    fill: var(--blanco);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--space-lg) 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: var(--fs-micro);
    color: rgba(255, 255, 255, 0.35);
}

/* ── Scroll Reveal ──────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }

/* ── Focus Visible (Accesibilidad) ──────────────────────── */
:focus-visible {
    outline: 2px solid var(--rojo);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

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

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ── Responsive: Tablet (≥768px) ────────────────────────── */
@media (min-width: 768px) {
    :root {
        --container-pad: 2rem;
    }

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

    .trust-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
}

/* ── Responsive: Desktop (≥1024px) ──────────────────────── */
@media (min-width: 1024px) {
    :root {
        --container-pad: 2.5rem;
    }

    /* Nav desktop */
    .nav-links {
        display: flex;
    }

    .nav-cta {
        display: inline-flex;
    }

    .hamburger {
        display: none;
    }

    /* Hero content positioning */
    .hero-content {
        max-width: 60%;
    }

    /* Categories 4 columns */
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    /* Footer 4 columns */
    .footer-grid {
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
    }
}

/* ── Responsive: Large desktop (≥1280px) ────────────────── */
@media (min-width: 1280px) {
    :root {
        --container-pad: 3rem;
    }
}

/* ============================================================
   THSCREEN — Estilos de la Página de Contacto
   ============================================================ */
.contact-section-wrapper {
    background-color: var(--surface-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: flex-start;
}

@media (min-width: 992px) {
    .contact-grid {
        grid-template-columns: 1.1fr 1fr;
        gap: var(--space-4xl);
    }
}

.contact-info-card {
    padding-right: 0;
}

@media (min-width: 992px) {
    .contact-info-card {
        padding-right: var(--space-xl);
    }
}

.contact-info-card h2 {
    margin-bottom: var(--space-md);
}

.contact-info-card > p {
    font-size: var(--fs-body-lg);
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-detail-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--rojo-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-detail-icon svg {
    width: 24px;
    height: 24px;
    color: var(--rojo);
}

.contact-detail-text h4 {
    font-size: var(--fs-body);
    font-weight: var(--fw-semibold);
    color: var(--negro);
    margin-bottom: 0.125rem;
}

.contact-detail-text p,
.contact-detail-text a {
    font-size: var(--fs-small);
    color: var(--gris-light);
    line-height: 1.5;
}

.contact-detail-text a:hover {
    color: var(--rojo);
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    aspect-ratio: 16 / 9;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Form Card */
.contact-form-card {
    background-color: var(--surface-card);
    border: 1px solid rgba(75, 85, 99, 0.08);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

@media (min-width: 576px) {
    .contact-form-card {
        padding: var(--space-2xl);
    }
}

.contact-form-card h3 {
    margin-bottom: var(--space-md);
    font-size: var(--fs-h3);
}

.contact-form-card p {
    font-size: var(--fs-small);
    color: var(--gris-light);
    margin-bottom: var(--space-xl);
}

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

.form-group label {
    display: block;
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--negro);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1.125rem;
    font-family: var(--font-primary);
    font-size: var(--fs-small);
    color: var(--negro);
    background-color: var(--gris-bg);
    border: 1.5px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--duration-base) var(--ease-out);
}

.form-control::placeholder {
    color: var(--gris-light);
    opacity: 0.7;
}

.form-control:focus {
    outline: none;
    border-color: var(--rojo);
    background-color: var(--blanco);
    box-shadow: 0 0 0 4px var(--rojo-glow);
}

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

/* Checkboxes */
.form-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: var(--fs-small);
    color: var(--gris);
    font-weight: var(--fw-regular);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--gris-border);
    border-radius: var(--radius-sm);
    background-color: var(--blanco);
    outline: none;
    cursor: pointer;
    position: relative;
    transition: all var(--duration-fast) var(--ease-out);
}

.checkbox-label input[type="checkbox"]:checked {
    background-color: var(--rojo);
    border-color: var(--rojo);
}

.checkbox-label input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 5px;
    width: 5px;
    height: 9px;
    border: solid var(--blanco);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label input[type="checkbox"]:focus-visible {
    box-shadow: 0 0 0 3px var(--rojo-glow);
    border-color: var(--rojo);
}

/* Feedback alert rules */
.form-alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: var(--fs-small);
    line-height: 1.5;
    margin-bottom: var(--space-lg);
}

.form-alert-success {
    background-color: rgba(37, 211, 102, 0.1);
    color: #127233;
    border: 1px solid rgba(37, 211, 102, 0.25);
}

.form-alert-error {
    background-color: var(--rojo-light);
    color: #9C1F20;
    border: 1px solid rgba(195, 45, 46, 0.2);
}

/* ============================================================
   THSCREEN — Estilos de Secciones de Productos (Split layouts)
   ============================================================ */
.product-section {
    background-color: var(--surface-primary);
}

.product-section-alt {
    background-color: var(--surface-secondary);
}

.product-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 992px) {
    .product-split {
        grid-template-columns: 1.1fr 0.9fr;
        gap: var(--space-4xl);
    }
    
    .product-split-reverse {
        grid-template-columns: 0.9fr 1.1fr;
    }
    
    .product-split-reverse .product-split-content {
        order: 2;
    }
    
    .product-split-reverse .product-split-image {
        order: 1;
    }
}

.product-split-content h2 {
    margin-bottom: var(--space-md);
    font-size: var(--fs-h2);
    color: var(--negro);
}

.product-split-content p {
    font-size: var(--fs-body-lg);
    line-height: 1.75;
    color: var(--gris);
    margin-bottom: var(--space-lg);
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: var(--fs-body);
    color: var(--gris);
}

.product-features li svg {
    flex-shrink: 0;
    color: var(--rojo);
    margin-top: 0.25rem;
}

.product-split-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 3;
}

.product-split-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.product-split-image:hover img {
    transform: scale(1.03);
}