/* =========================================================================
   RENOVABLE PY — Hoja de estilos del sitio público
   Paleta: verde eco (confianza/ambiente) + lima eléctrico (energía/acento)
            sobre fondos oscuros en secciones de impacto.
   ========================================================================= */

:root {
    --primary: #1B8A4B;        /* verde principal */
    --primary-dark: #0F5C32;
    --primary-light: #E8F8EF;
    --accent: #C6FF3C;         /* lima eléctrico - acentos / CTAs */
    --accent-dark: #9FE000;
    --dark: #0B1420;           /* casi negro azulado - secciones hero/footer */
    --dark-soft: #12202F;
    --text: #1C2430;
    --text-muted: #5B6676;
    --bg-light: #F6F9F7;
    --white: #ffffff;
    --border: #E4E9E6;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 10px 30px rgba(11, 20, 32, 0.08);
    --shadow-lg: 0 20px 50px rgba(11, 20, 32, 0.18);
    --whatsapp: #25D366;
    --font: 'Plus Jakarta Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--text);
    line-height: 1.6;
    background-color: var(--bg-light);
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: 0.25s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}
.badge-accent { background: var(--accent); color: var(--dark); }
.badge-outline { border: 1px solid rgba(255,255,255,0.3); color: #fff; }
.badge-stock { background: var(--primary-light); color: var(--primary-dark); }
.badge-sold-out { background: #fdeaea; color: #c0392b; }

/* ===================== HEADER ===================== */
header {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.02em;
}
.logo .logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(27, 138, 75, 0.35);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-links a:not(.btn-nav):not(.btn-cart) {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.95rem;
}
.nav-links a:hover { color: var(--primary); }

.btn-nav {
    background: var(--dark);
    color: #fff !important;
    padding: 10px 18px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.9rem;
}
.btn-nav:hover { background: var(--primary-dark); }

.btn-cart {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--dark);
    font-size: 1.05rem;
}
.cart-count {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--accent);
    color: var(--dark);
    font-size: 0.65rem;
    font-weight: 800;
    width: 19px;
    height: 19px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--dark); }

/* ===================== HERO ===================== */
.hero {
    position: relative;
    background: linear-gradient(160deg, var(--dark) 0%, var(--dark-soft) 60%, #163826 100%);
    min-height: 92vh;
    display: flex;
    align-items: center;
    margin-top: 76px;
    overflow: hidden;
    color: #fff;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(198,255,60,0.18), transparent 45%),
                radial-gradient(circle at 10% 90%, rgba(27,138,75,0.35), transparent 50%);
    pointer-events: none;
}
.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
    padding: 60px 0;
}
.hero-content h1 {
    font-size: 3.2rem;
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 22px;
}
.hero-content h1 span { color: var(--accent); }
.hero-content p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.78);
    max-width: 520px;
    margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }

.btn-primary, .btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: var(--dark);
    padding: 16px 30px;
    font-size: 1rem;
    border-radius: 50px;
    font-weight: 800;
    border: none;
    box-shadow: 0 10px 25px rgba(198, 255, 60, 0.3);
}
.btn-primary:hover, .btn-hero:hover { background: var(--accent-dark); transform: translateY(-2px); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.08);
    border: 1.5px solid rgba(255,255,255,0.35);
    color: #fff;
    padding: 16px 28px;
    border-radius: 50px;
    font-weight: 700;
}
.btn-secondary:hover { background: rgba(255,255,255,0.18); }

.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stat strong { display: block; font-size: 1.6rem; font-weight: 800; color: var(--accent); }
.hero-stat span { font-size: 0.85rem; color: rgba(255,255,255,0.65); }

.hero-media {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-media img {
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    object-fit: cover;
    aspect-ratio: 4/5;
}
.hero-float-card {
    position: absolute;
    bottom: -18px;
    left: -18px;
    background: #fff;
    color: var(--text);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 230px;
}
.hero-float-card .icon {
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--primary-light); color: var(--primary);
    display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0;
}
.hero-float-card strong { display: block; font-size: 1rem; }
.hero-float-card span { font-size: 0.78rem; color: var(--text-muted); }

/* ===================== TRUST BAR ===================== */
.trust-bar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 28px 0;
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.trust-item { display: flex; align-items: center; gap: 12px; }
.trust-item i { color: var(--primary); font-size: 1.4rem; }
.trust-item strong { display: block; font-size: 0.92rem; }
.trust-item span { font-size: 0.78rem; color: var(--text-muted); }

/* ===================== SECCIONES GENERALES ===================== */
.section { padding: 90px 0; }
.section-tight { padding: 60px 0; }
.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.section-header { text-align: center; max-width: 620px; margin: 0 auto 50px; }
.section-header h2 { font-size: 2.3rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 14px; }
.section-header p { color: var(--text-muted); font-size: 1.05rem; }

/* ===================== CALCULADORA TEASER ===================== */
.calc-teaser {
    background: linear-gradient(120deg, var(--primary-light), #fff 60%);
    border-radius: 28px;
    margin: 0 24px;
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 30px;
    max-width: 1192px;
    margin-inline: auto;
}
.calc-teaser h2 { font-size: 1.9rem; font-weight: 800; color: var(--dark); margin-bottom: 10px; }
.calc-teaser p { color: var(--text-muted); max-width: 480px; }
.calc-icon {
    width: 70px; height: 70px; border-radius: 20px;
    background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
    margin-bottom: 18px;
}

/* ===================== FILTROS DE CATEGORÍA ===================== */
.cat-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 46px;
}
.cat-filter {
    padding: 11px 22px;
    border-radius: 50px;
    border: 1.5px solid var(--border);
    background: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.cat-filter.active, .cat-filter:hover { background: var(--dark); border-color: var(--dark); color: #fff; }

/* ===================== PRODUCTOS ===================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 28px;
}
.product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: 0.3s;
    display: flex;
    flex-direction: column;
    position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.product-image-wrap { position: relative; background: #eef1ef; }
.product-image {
    width: 100%;
    height: 230px;
    object-fit: contain;
    padding: 14px;
    box-sizing: border-box;
}
.product-badges { position: absolute; top: 14px; left: 14px; display: flex; gap: 6px; flex-wrap: wrap; }
.product-brand {
    position: absolute; top: 14px; right: 14px;
    background: rgba(11,20,32,0.75); color: #fff;
    font-size: 0.7rem; font-weight: 700; padding: 4px 10px; border-radius: 50px;
}

.product-info { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-cat { font-size: 0.72rem; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 0.04em; }
.product-title { font-size: 1.15rem; font-weight: 800; letter-spacing: -0.01em; }
.product-price { color: var(--dark); font-size: 1.25rem; font-weight: 800; }
.product-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}
.product-actions { margin-top: auto; display: flex; gap: 8px; padding-top: 6px; }
.btn-product {
    flex: 1;
    padding: 12px;
    background: var(--dark);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.88rem;
    text-align: center;
    display: flex; align-items: center; justify-content: center; gap: 6px;
}
.btn-product:hover { background: var(--primary-dark); }
.btn-product-outline {
    width: 46px;
    border-radius: 10px;
    border: 1.5px solid var(--border);
    background: #fff;
    color: var(--dark);
    display: flex; align-items: center; justify-content: center;
}
.btn-product-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ===================== PÁGINA DE PRODUCTO ===================== */
.product-detail { padding: 130px 0 90px; }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.pd-gallery-main { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); margin-bottom: 14px; background: #eef1ef; cursor: zoom-in; }
.pd-gallery-main img { width: 100%; height: 540px; object-fit: contain; padding: 28px; box-sizing: border-box; display: block; }
.pd-gallery-zoom-hint {
    position: absolute; bottom: 16px; right: 16px;
    background: rgba(11,20,32,0.75); color: #fff;
    width: 38px; height: 38px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 0.95rem;
    pointer-events: none;
}
.pd-thumbs { display: flex; gap: 10px; flex-wrap: wrap; }
.pd-thumbs img { width: 76px; height: 76px; object-fit: contain; background: #eef1ef; padding: 6px; box-sizing: border-box; border-radius: 10px; border: 2px solid transparent; cursor: pointer; }
.pd-thumbs img.active { border-color: var(--primary); }

.pd-info .product-cat { margin-bottom: 8px; }
.pd-info h1 { font-size: 2.1rem; font-weight: 800; margin-bottom: 14px; letter-spacing: -0.02em; }
.pd-price-row { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.pd-price { font-size: 2rem; font-weight: 800; color: var(--primary-dark); }
.pd-stock { font-size: 0.85rem; font-weight: 700; }
.pd-stock.ok { color: var(--primary); }
.pd-stock.out { color: #c0392b; }
.pd-desc { white-space: pre-line; color: var(--text-muted); margin-bottom: 26px; line-height: 1.8; }

.qty-selector { display: flex; align-items: center; border: 1.5px solid var(--border); border-radius: 10px; overflow: hidden; width: fit-content; margin-bottom: 20px; }
.qty-selector button { background: var(--bg-light); border: none; width: 42px; height: 42px; font-size: 1.1rem; font-weight: 700; }
.qty-selector input { width: 50px; text-align: center; border: none; font-weight: 700; font-size: 1rem; }

.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 30px; }
.pd-actions .btn-primary, .pd-actions .btn-secondary { padding: 15px 26px; color: var(--dark); }
.pd-actions .btn-secondary { color: var(--dark); border-color: var(--border); background: #fff; }
.pd-actions .btn-whatsapp { background: var(--whatsapp); color: #fff; }

.pd-specs { border-top: 1px solid var(--border); padding-top: 22px; }
.pd-specs h3 { font-size: 1rem; margin-bottom: 10px; }

.related-section { background: #fff; }

/* ===================== CARRITO ===================== */
.cart-page { padding: 130px 0 90px; min-height: 60vh; }
.cart-page h1 { font-size: 2rem; font-weight: 800; margin-bottom: 30px; }
.cart-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 36px; align-items: start; }
.cart-items { display: flex; flex-direction: column; gap: 16px; }
.cart-item {
    display: grid;
    grid-template-columns: 90px 1fr auto auto;
    align-items: center;
    gap: 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
}
.cart-item img { width: 90px; height: 90px; object-fit: cover; border-radius: 10px; background: #eef1ef; }
.cart-item .ci-title { font-weight: 700; }
.cart-item .ci-price { color: var(--text-muted); font-size: 0.88rem; }
.cart-item .ci-remove { color: #c0392b; background: none; border: none; font-size: 1.1rem; }
.cart-empty { text-align: center; padding: 60px 20px; background: #fff; border-radius: var(--radius); border: 1px dashed var(--border); }
.cart-empty i { font-size: 2.6rem; color: var(--border); margin-bottom: 16px; }

.cart-summary {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 26px;
    position: sticky;
    top: 100px;
}
.cart-summary h3 { margin-bottom: 18px; }
.cart-summary .row { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 0.92rem; color: var(--text-muted); }
.cart-summary .total { display: flex; justify-content: space-between; font-weight: 800; font-size: 1.3rem; margin: 18px 0; padding-top: 14px; border-top: 1px dashed var(--border); }
.cart-summary input { width: 100%; padding: 12px; border: 1.5px solid var(--border); border-radius: 10px; margin-bottom: 12px; font-size: 0.95rem; }
.cart-summary .btn-whatsapp-full {
    width: 100%; background: var(--whatsapp); color: #fff; border: none; padding: 16px;
    border-radius: 50px; font-weight: 800; display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 1rem;
}

/* ===================== TESTIMONIOS ===================== */
.testimonials { background: var(--dark); color: #fff; }
.testimonials .section-header h2, .testimonials .section-eyebrow { color: #fff; }
.testimonials .section-header p { color: rgba(255,255,255,0.6); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 28px; }
.testimonial-card .stars { color: var(--accent); margin-bottom: 14px; }
.testimonial-card p { color: rgba(255,255,255,0.85); margin-bottom: 18px; }
.testimonial-author { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 0.9rem; }
.testimonial-author span { width: 38px; height: 38px; border-radius: 50%; background: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 800; }

/* ===================== BLOG ===================== */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 26px; }
.blog-card { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); transition: 0.3s; }
.blog-card:hover { transform: translateY(-4px); }
.blog-card img { height: 190px; object-fit: cover; background: #eef1ef; }
.blog-card-body { padding: 20px; }
.blog-card-body .date { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; font-weight: 700; letter-spacing: 0.04em; }
.blog-card-body h3 { font-size: 1.15rem; margin: 8px 0 10px; font-weight: 800; }
.blog-card-body p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 14px; }
.blog-detail { padding: 130px 0 90px; max-width: 780px; margin: 0 auto; }
.blog-detail img { border-radius: var(--radius); margin-bottom: 30px; width: 100%; max-height: 420px; object-fit: cover; }
.blog-detail h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 14px; }
.blog-detail .date { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 30px; display: block; }
.blog-content { font-size: 1.05rem; line-height: 1.9; }
.blog-content p { margin-bottom: 18px; }
.blog-content img { border-radius: 12px; margin: 20px 0; }

/* ===================== CTA FINAL ===================== */
.cta-final {
    background: linear-gradient(120deg, var(--primary-dark), var(--primary));
    color: #fff;
    border-radius: 28px;
    margin: 0 24px;
    padding: 70px 50px;
    text-align: center;
    max-width: 1192px;
    margin-inline: auto;
}
.cta-final h2 { font-size: 2.1rem; font-weight: 800; margin-bottom: 14px; }
.cta-final p { color: rgba(255,255,255,0.85); max-width: 500px; margin: 0 auto 30px; }

/* ===================== FOOTER ===================== */
footer { background: var(--dark); color: rgba(255,255,255,0.85); padding: 80px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer-col h3 { color: #fff; margin-bottom: 18px; font-size: 1rem; }
.footer-col p, .footer-col li { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-bottom: 10px; }
.footer-col a:hover { color: var(--accent); }
.footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.3rem; color: #fff; margin-bottom: 14px; }
.social-icons { display: flex; gap: 12px; margin-top: 16px; }
.social-icon {
    width: 40px; height: 40px; background: rgba(255,255,255,0.08);
    display: flex; align-items: center; justify-content: center; border-radius: 50%;
}
.social-icon:hover { background: var(--accent); color: var(--dark); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 0.8em; color: rgba(255,255,255,0.45); }

/* ===================== WHATSAPP FLOTANTE / CARRITO FLOTANTE ===================== */
.float-actions { position: fixed; bottom: 26px; right: 26px; z-index: 1001; display: flex; flex-direction: column; gap: 14px; align-items: flex-end; }
.whatsapp-float {
    background-color: var(--whatsapp);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 6px 20px rgba(37,211,102,0.45);
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ===================== FORMULARIOS GENERALES (público) ===================== */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 700; font-size: 0.88rem; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 14px; border: 1.5px solid var(--border); border-radius: 10px; font-size: 0.95rem; background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }

/* ===================== UTILIDADES ===================== */
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mb-2 { margin-bottom: 16px; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }

/* ===================== LIGHTBOX / CARRUSEL DE FOTOS ===================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(5, 10, 16, 0.94);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}
.lightbox.active { display: flex; }
.lightbox img {
    max-width: 88vw;
    max-height: 84vh;
    object-fit: contain;
    border-radius: 10px;
    user-select: none;
}
.lightbox-close, .lightbox-prev, .lightbox-next {
    position: absolute;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.22); }
.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-counter {
    position: absolute;
    bottom: 22px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.75);
    font-size: 0.82rem;
    font-weight: 700;
    background: rgba(255,255,255,0.08);
    padding: 6px 14px;
    border-radius: 50px;
}
@media (max-width: 600px) {
    .lightbox-prev, .lightbox-next { width: 40px; height: 40px; font-size: 1rem; }
    .lightbox-prev { left: 8px; }
    .lightbox-next { right: 8px; }
    .lightbox-close { top: 12px; right: 12px; width: 40px; height: 40px; }
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-media { order: -1; max-width: 420px; margin: 0 auto 20px; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .product-detail-grid { grid-template-columns: 1fr; }
    .cart-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .calc-teaser { grid-template-columns: 1fr; text-align: center; padding: 40px 28px; }
    .calc-teaser img { margin: 0 auto; }
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links {
        position: fixed; top: 76px; left: 0; right: 0; background: #fff;
        flex-direction: column; align-items: flex-start; padding: 24px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        transform: translateY(-150%); transition: 0.3s; gap: 18px;
    }
    .nav-links.open { transform: translateY(0); }
    .hero-content h1 { font-size: 2.1rem; }
    .hero-stats { gap: 22px; }
    .section { padding: 60px 0; }
    .section-header h2 { font-size: 1.7rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .cart-item { grid-template-columns: 70px 1fr; }
    .cart-item .ci-qty, .cart-item .ci-remove { grid-column: 2; }
    .pd-gallery-main img { height: 320px; padding: 16px; }
}