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

:root {
    /* Colors */
    --c-primary: #1a1d6e;
    --c-primary-light: #2d31a0;
    --c-primary-dark: #0f1147;
    --c-accent: #ff6b35;
    --c-accent-light: #ff8754;
    --c-accent-dark: #e0521e;
    --c-green: #25d366;
    --c-bg: #ffffff;
    --c-bg-alt: #f5f6fa;
    --c-bg-dark: #0f1147;
    --c-text: #1a1a2e;
    --c-text-light: #6b7280;
    --c-text-inverse: #ffffff;
    --c-border: #e5e7eb;
    --c-card: #ffffff;
    --c-shadow: rgba(0, 0, 0, 0.08);
    --c-shadow-strong: rgba(15, 17, 71, 0.15);

    /* Gradients */
    --grad-primary: linear-gradient(135deg, #1a1d6e 0%, #2d31a0 100%);
    --grad-accent: linear-gradient(135deg, #ff6b35 0%, #ff8754 100%);
    --grad-text: linear-gradient(90deg, #ff6b35, #ff8754);

    /* Sizing */
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --container: 1240px;
    --header-h: 76px;

    /* Transitions */
    --t-fast: 0.2s ease;
    --t: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --t-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===== Container ===== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: all var(--t);
    white-space: nowrap;
    border: 2px solid transparent;
}

.btn--primary {
    background: var(--grad-accent);
    color: #fff;
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.45);
}

.btn--outline {
    background: transparent;
    color: var(--c-primary);
    border-color: var(--c-primary);
}
.btn--outline:hover {
    background: var(--c-primary);
    color: #fff;
}

.btn--lg { padding: 16px 36px; font-size: 16px; }
.btn--block { width: 100%; }

.btn--whatsapp {
    background: #25d366;
    color: #fff;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--t);
}
.btn--whatsapp:hover { background: #1eb858; transform: translateY(-2px); }

/* ===== Topbar ===== */
.topbar {
    background: var(--c-primary-dark);
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    padding: 8px 0;
}
.topbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.topbar__links {
    display: flex;
    align-items: center;
    gap: 10px;
}
.topbar__divider { opacity: 0.3; }

/* ===== Header ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--c-border);
    transition: box-shadow var(--t);
}
.header.scrolled { box-shadow: 0 2px 20px var(--c-shadow); }

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 24px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 800;
}
.logo__icon {
    font-size: 32px;
    color: var(--c-accent);
    line-height: 1;
}
.logo__text strong { color: var(--c-accent); }
.logo__text { color: var(--c-primary); }

/* Nav */
.nav {
    display: flex;
    gap: 4px;
}
.nav__link {
    padding: 8px 16px;
    font-weight: 500;
    font-size: 15px;
    color: var(--c-text);
    border-radius: var(--radius-sm);
    transition: all var(--t-fast);
    position: relative;
}
.nav__link:hover { color: var(--c-accent); background: rgba(255, 107, 53, 0.08); }

/* Header Actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--c-bg-alt);
    border-radius: 24px;
    padding: 4px 4px 4px 16px;
    overflow: hidden;
}
.search-box__input {
    border: none;
    background: transparent;
    outline: none;
    width: 180px;
    font-size: 14px;
    color: var(--c-text);
}
.search-box__input::placeholder { color: var(--c-text-light); }
.search-box__btn {
    background: var(--c-primary);
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 14px;
    transition: background var(--t-fast);
}
.search-box__btn:hover { background: var(--c-primary-light); }

/* Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
}
.nav-toggle span {
    width: 26px;
    height: 3px;
    background: var(--c-primary);
    border-radius: 2px;
    transition: all var(--t);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 80px 0 100px;
    overflow: hidden;
    background: linear-gradient(180deg, #f5f6fa 0%, #ffffff 100%);
}
.hero__bg {
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}
.hero__bg::after {
    content: '';
    position: absolute;
    top: 200px;
    left: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(26, 29, 110, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 107, 53, 0.1);
    color: var(--c-accent-dark);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero__title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--c-text);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero__desc {
    font-size: 18px;
    color: var(--c-text-light);
    margin-bottom: 32px;
    max-width: 520px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero__stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}
.hero__stat strong {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--c-primary);
    line-height: 1;
}
.hero__stat span {
    font-size: 13px;
    color: var(--c-text-light);
    font-weight: 500;
}

/* Hero Visual */
.hero__visual {
    position: relative;
    height: 480px;
}
.hero__circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 380px;
    height: 380px;
    background: var(--grad-primary);
    border-radius: 50%;
    box-shadow: 0 30px 80px rgba(26, 29, 110, 0.3);
}
.hero__card {
    position: absolute;
    background: #fff;
    border-radius: var(--radius);
    padding: 18px 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 10px 40px var(--c-shadow-strong);
    z-index: 2;
    transition: transform var(--t);
}
.hero__card:hover { transform: translateY(-6px); }
.hero__card-icon {
    font-size: 36px;
    line-height: 1;
}
.hero__card strong { font-size: 16px; color: var(--c-text); display: block; }
.hero__card p { font-size: 14px; color: var(--c-accent); font-weight: 600; }

.hero__card--1 { top: 30px; left: -10px; }
.hero__card--2 { bottom: 120px; right: -20px; }
.hero__card--3 { bottom: 30px; left: 40px; }

/* ===== Marquee ===== */
.marquee {
    background: var(--c-primary);
    overflow: hidden;
    padding: 16px 0;
}
.marquee__track {
    display: flex;
    gap: 48px;
    white-space: nowrap;
    animation: marquee 30s linear infinite;
}
.marquee__track span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    font-weight: 500;
}
@keyframes marquee {
    to { transform: translateX(-50%); }
}

/* ===== Section ===== */
.section {
    padding: 80px 0;
}
.section__head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}
.section__tag {
    display: inline-block;
    color: var(--c-accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 12px;
}
.section__title {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}
.section__desc {
    font-size: 17px;
    color: var(--c-text-light);
}

.grad-text {
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Categorías ===== */
.categorias__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.cat-card {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: all var(--t);
    position: relative;
    overflow: hidden;
}
.cat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--grad-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t);
}
.cat-card:hover {
    border-color: transparent;
    box-shadow: 0 12px 40px var(--c-shadow-strong);
    transform: translateY(-4px);
}
.cat-card:hover::before { transform: scaleX(1); }
.cat-card__icon {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}
.cat-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
}
.cat-card p {
    color: var(--c-text-light);
    font-size: 14px;
    margin-bottom: 16px;
}
.cat-card__arrow {
    color: var(--c-accent);
    font-weight: 700;
    font-size: 18px;
    transition: transform var(--t);
}
.cat-card:hover .cat-card__arrow { transform: translateX(6px); }

/* ===== Filtros ===== */
.filtros {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 40px;
}
.filtro-btn {
    padding: 10px 22px;
    border-radius: 24px;
    font-weight: 600;
    font-size: 14px;
    color: var(--c-text-light);
    background: var(--c-bg-alt);
    border: 1px solid transparent;
    transition: all var(--t-fast);
}
.filtro-btn:hover {
    color: var(--c-primary);
    border-color: var(--c-primary);
}
.filtro-btn.active {
    background: var(--c-primary);
    color: #fff;
}

/* ===== Productos ===== */
.productos__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--t);
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    box-shadow: 0 16px 48px var(--c-shadow-strong);
    transform: translateY(-6px);
    border-color: transparent;
}
.product-card__img {
    position: relative;
    aspect-ratio: 1;
    background: var(--c-bg-alt);
    overflow: hidden;
}
.product-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--t-slow);
}
.product-card:hover .product-card__img img { transform: scale(1.08); }
.product-card__badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--c-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    text-transform: uppercase;
}
.product-card__body {
    padding: 18px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.product-card__cat {
    font-size: 12px;
    color: var(--c-text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.product-card__title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}
.product-card__specs {
    font-size: 12px;
    color: var(--c-text-light);
    margin-bottom: 14px;
    flex: 1;
}
.product-card__specs li {
    padding: 2px 0;
}
.product-card__specs li::before {
    content: "• ";
    color: var(--c-accent);
}
.product-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
}
.product-card__price {
    font-size: 20px;
    font-weight: 800;
    color: var(--c-primary);
}
.product-card__price small {
    font-size: 12px;
    color: var(--c-text-light);
    font-weight: 500;
    display: block;
}
.product-card__btn {
    background: var(--c-accent);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    transition: all var(--t-fast);
    white-space: nowrap;
}
.product-card__btn:hover { background: var(--c-accent-dark); transform: scale(1.05); }

.productos__more {
    text-align: center;
    margin-top: 48px;
}

/* ===== Ventajas ===== */
.ventajas { background: var(--c-bg-alt); }
.ventajas__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ventaja-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: all var(--t);
    border: 1px solid transparent;
}
.ventaja-card:hover {
    border-color: var(--c-border);
    box-shadow: 0 12px 40px var(--c-shadow);
    transform: translateY(-4px);
}
.ventaja-card__icon {
    font-size: 44px;
    margin-bottom: 16px;
}
.ventaja-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}
.ventaja-card p {
    color: var(--c-text-light);
    font-size: 15px;
}

/* ===== Servicios ===== */
.servicios__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.servicio-card {
    background: var(--c-primary);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    transition: all var(--t);
}
.servicio-card::after {
    content: '';
    position: absolute;
    bottom: -60px;
    right: -60px;
    width: 180px;
    height: 180px;
    background: rgba(255, 107, 53, 0.15);
    border-radius: 50%;
    transition: transform var(--t);
}
.servicio-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(15, 17, 71, 0.3); }
.servicio-card:hover::after { transform: scale(1.3); }

.servicio-card__num {
    font-size: 48px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.15);
    margin-bottom: 12px;
    line-height: 1;
}
.servicio-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}
.servicio-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}
.servicio-card ul {
    position: relative;
    z-index: 1;
}
.servicio-card li {
    padding: 6px 0;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.servicio-card li::before {
    content: "→";
    color: var(--c-accent);
    font-weight: 700;
}

/* ===== Nosotros ===== */
.nosotros__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.nosotros__visual {
    position: relative;
}
.nosotros__visual img {
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px var(--c-shadow-strong);
    width: 100%;
}
.nosotros__badge {
    position: absolute;
    bottom: -24px;
    right: -20px;
    background: var(--grad-accent);
    color: #fff;
    padding: 20px 28px;
    border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(255, 107, 53, 0.4);
    text-align: center;
}
.nosotros__badge strong {
    display: block;
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
}
.nosotros__badge span { font-size: 13px; }

.nosotros__content p {
    color: var(--c-text-light);
    font-size: 16px;
    margin: 20px 0 24px;
}
.nosotros__list li {
    padding: 8px 0;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.nosotros__list span {
    color: var(--c-accent);
    font-weight: 700;
}
.nosotros__content .btn { margin-top: 24px; }

/* ===== Contacto ===== */
.contacto { background: var(--c-bg-alt); }
.contacto__inner {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: start;
}
.contacto__items {
    margin-top: 32px;
}
.contacto__item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--c-border);
}
.contacto__icon {
    font-size: 24px;
    line-height: 1;
}
.contacto__item strong {
    display: block;
    font-size: 15px;
    margin-bottom: 2px;
}
.contacto__item p {
    color: var(--c-text-light);
    font-size: 14px;
}

/* Form */
.contacto__form {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 12px 40px var(--c-shadow);
    position: relative;
}
.contacto__form h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
}
.form-group {
    margin-bottom: 16px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--c-text);
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--c-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--c-text);
    transition: border-color var(--t-fast);
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--c-accent);
}
.form-group textarea { resize: vertical; }
.form__note {
    text-align: center;
    font-size: 13px;
    color: var(--c-text-light);
    margin-top: 12px;
}
.form__success {
    display: none;
    text-align: center;
    padding: 24px;
    position: absolute;
    inset: 0;
    background: #fff;
    border-radius: var(--radius-lg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.form__success.show { display: flex; }
.form__success span { font-size: 56px; }
.form__success h4 { font-size: 24px; font-weight: 700; margin: 12px 0 8px; }
.form__success p { color: var(--c-text-light); }

/* ===== Footer ===== */
.footer {
    background: var(--c-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}
.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer__col p { font-size: 14px; margin: 16px 0; line-height: 1.7; }
.footer__col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer__col ul li { padding: 6px 0; }
.footer__col ul li a {
    font-size: 14px;
    transition: color var(--t-fast);
}
.footer__col ul li a:hover { color: var(--c-accent); }
.footer__contact li { font-size: 14px; padding: 6px 0; }
.logo--footer .logo__text { color: #fff; }
.logo--footer p { color: rgba(255,255,255,0.6); }
.footer__social {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}
.footer__social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all var(--t-fast);
}
.footer__social a:hover { background: var(--c-accent); transform: translateY(-2px); }
.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    flex-wrap: wrap;
    gap: 12px;
}
.footer__legal { display: flex; gap: 20px; }
.footer__legal a { transition: color var(--t-fast); }
.footer__legal a:hover { color: var(--c-accent); }

/* ===== WhatsApp Float ===== */
.wa-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
    z-index: 90;
    transition: all var(--t);
    animation: waPulse 2s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.1); }
@keyframes waPulse {
    0%, 100% { box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5); }
    50% { box-shadow: 0 6px 32px rgba(37, 211, 102, 0.8); }
}

/* ===== Scroll Top ===== */
.scroll-top {
    position: fixed;
    bottom: 90px;
    right: 24px;
    width: 44px;
    height: 44px;
    background: var(--c-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 20px;
    z-index: 89;
    opacity: 0;
    pointer-events: none;
    transition: all var(--t);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.scroll-top.show {
    opacity: 1;
    pointer-events: auto;
}
.scroll-top:hover { background: var(--c-primary-light); }

/* ===== Animations ===== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
    .hero__title { font-size: 44px; }
    .productos__grid { grid-template-columns: repeat(3, 1fr); }
    .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        padding: 80px 24px 24px;
        gap: 4px;
        box-shadow: -4px 0 24px rgba(0,0,0,0.15);
        transition: right var(--t);
        z-index: 99;
    }
    .nav.open { right: 0; }
    .nav__link { width: 100%; padding: 12px 16px; }
    .nav-toggle { display: flex; z-index: 100; }
    .search-box { display: none; }
    .header__cta { display: none; }

    .hero__inner { grid-template-columns: 1fr; }
    .hero__visual { display: none; }
    .hero__title { font-size: 38px; }
    .hero__stats { gap: 24px; }
    .hero__stat strong { font-size: 28px; }

    .categorias__grid,
    .ventajas__grid,
    .servicios__grid { grid-template-columns: 1fr 1fr; }
    .productos__grid { grid-template-columns: repeat(2, 1fr); }
    .nosotros__inner { grid-template-columns: 1fr; }
    .contacto__inner { grid-template-columns: 1fr; }

    .section { padding: 60px 0; }
    .section__title { font-size: 30px; }
    .topbar__item { display: none; }
}

@media (max-width: 600px) {
    .container { padding: 0 16px; }
    .hero { padding: 40px 0 60px; }
    .hero__title { font-size: 30px; }
    .hero__desc { font-size: 15px; }
    .hero__actions .btn { width: 100%; }
    .hero__stats { gap: 16px; }
    .hero__stat strong { font-size: 24px; }

    .categorias__grid,
    .ventajas__grid,
    .servicios__grid,
    .productos__grid { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; }
    .footer__bottom { flex-direction: column; text-align: center; }

    .section__title { font-size: 26px; }
    .form-row { grid-template-columns: 1fr; }
    .contacto__form { padding: 24px; }
    .nosotros__badge { right: 0; }

    .marquee__track span { font-size: 14px; }
}

/* ===== Cart Icon (Header) ===== */
.cart-icon {
    position: relative;
    font-size: 24px;
    display: flex;
    align-items: center;
    text-decoration: none;
}
.cart-badge {
    position: absolute;
    top: -6px;
    right: -8px;
    background: var(--c-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    padding: 16px 0 0;
    font-size: 14px;
    color: var(--c-text-light);
}
.breadcrumb a { color: var(--c-text-light); transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb span { margin: 0 8px; }

/* ===== Page Header ===== */
.page-header {
    background: var(--grad-primary);
    color: #fff;
    padding: 60px 0 40px;
    text-align: center;
}
.page-header h1 { font-size: 36px; font-weight: 800; margin-bottom: 8px; }
.page-header p { opacity: 0.8; font-size: 16px; }

/* ===== Product Detail ===== */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 40px 0;
    align-items: start;
}
.product-detail__img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--c-bg-alt);
    position: sticky;
    top: 100px;
}
.product-detail__img img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.product-detail__badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--c-accent);
    color: #fff;
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
}
.product-detail__cat {
    font-size: 13px;
    color: var(--c-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.product-detail__title { font-size: 32px; font-weight: 800; margin-bottom: 16px; line-height: 1.2; }
.product-detail__price {
    font-size: 36px;
    font-weight: 800;
    color: var(--c-primary);
    margin-bottom: 8px;
}
.product-detail__price small { font-size: 14px; color: var(--c-text-light); font-weight: 500; display: block; }
.product-detail__specs {
    margin: 24px 0;
    border-top: 1px solid var(--c-border);
    padding-top: 24px;
}
.product-detail__specs li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}
.product-detail__specs li::before { content: "✓"; color: var(--c-accent); font-weight: 700; }
.product-detail__qty {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}
.qty-control { display: flex; align-items: center; border: 2px solid var(--c-border); border-radius: var(--radius-sm); overflow: hidden; }
.qty-control button { width: 40px; height: 44px; font-size: 20px; background: var(--c-bg-alt); transition: background var(--t-fast); }
.qty-control button:hover { background: var(--c-border); }
.qty-control input { width: 60px; height: 44px; text-align: center; border: none; font-size: 16px; font-weight: 600; outline: none; }
.product-detail__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.product-detail__desc { color: var(--c-text-light); margin-top: 24px; line-height: 1.7; }

/* ===== Cart Page ===== */
.cart-page { padding: 40px 0; }
.cart-layout { display: grid; grid-template-columns: 1fr 380px; gap: 32px; align-items: start; }
.cart-items { display: flex; flex-direction: column; gap: 16px; }
.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 20px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 16px;
    align-items: center;
}
.cart-item__img { width: 100px; height: 100px; object-fit: cover; border-radius: var(--radius-sm); background: var(--c-bg-alt); }
.cart-item__name { font-weight: 600; font-size: 16px; margin-bottom: 4px; }
.cart-item__cat { font-size: 13px; color: var(--c-text-light); }
.cart-item__price { font-weight: 700; color: var(--c-primary); margin-top: 6px; }
.cart-item__remove { color: var(--c-red, #e53e3e); font-size: 13px; cursor: pointer; margin-top: 6px; display: inline-block; }
.cart-item__right { text-align: right; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
.cart-item__total { font-weight: 700; font-size: 18px; }
.cart-summary {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 28px;
    position: sticky;
    top: 100px;
}
.cart-summary h3 { font-size: 20px; font-weight: 700; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--c-border); }
.cart-summary__row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 15px; color: var(--c-text-light); }
.cart-summary__total { display: flex; justify-content: space-between; padding: 16px 0; margin-top: 8px; border-top: 1px solid var(--c-border); font-size: 22px; font-weight: 800; color: var(--c-primary); }
.cart-empty { text-align: center; padding: 80px 20px; }
.cart-empty__icon { font-size: 80px; margin-bottom: 24px; }
.cart-empty h2 { font-size: 24px; margin-bottom: 8px; }
.cart-empty p { color: var(--c-text-light); margin-bottom: 24px; }

/* ===== Checkout Page ===== */
.checkout-page { padding: 40px 0; }
.checkout-layout { display: grid; grid-template-columns: 1fr 380px; gap: 32px; align-items: start; }
.checkout-form { background: #fff; border-radius: var(--radius-lg); padding: 36px; box-shadow: 0 4px 24px var(--c-shadow); }
.checkout-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--c-border); }
.order-summary { background: #fff; border-radius: var(--radius); padding: 28px; position: sticky; top: 100px; border: 1px solid var(--c-border); }
.order-summary h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--c-border); }
.order-summary__item { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--c-border); }
.order-summary__item img { width: 50px; height: 50px; object-fit: cover; border-radius: var(--radius-sm); }
.order-summary__item-info { flex: 1; }
.order-summary__item-info strong { font-size: 14px; display: block; }
.order-summary__item-info span { font-size: 13px; color: var(--c-text-light); }
.order-summary__total { display: flex; justify-content: space-between; padding-top: 16px; margin-top: 8px; border-top: 2px solid var(--c-border); font-size: 20px; font-weight: 800; color: var(--c-primary); }
.payment-methods { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.payment-method { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border: 2px solid var(--c-border); border-radius: var(--radius-sm); cursor: pointer; transition: all var(--t-fast); flex: 1; min-width: 140px; }
.payment-method:hover { border-color: var(--c-accent); }
.payment-method.active { border-color: var(--c-accent); background: rgba(255,107,53,0.05); }
.payment-method input { accent-color: var(--c-accent); }

/* ===== Responsive additions ===== */
@media (max-width: 900px) {
    .product-detail { grid-template-columns: 1fr; }
    .product-detail__img { position: static; }
    .cart-layout, .checkout-layout { grid-template-columns: 1fr; }
    .cart-summary, .order-summary { position: static; }
    .cart-item { grid-template-columns: 80px 1fr; }
    .cart-item__right { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; align-items: center; }
}
@media (max-width: 600px) {
    .product-detail__title { font-size: 24px; }
    .product-detail__price { font-size: 28px; }
    .cart-item { grid-template-columns: 1fr; text-align: center; }
    .cart-item__img { width: 100%; height: 160px; }
}