/* ========================================
   UPCYON - Baterías LiFePO4 para profesionales
   Design system: Clean, white, green accents
   ======================================== */

/* --- Fonts --- */
@font-face {
    font-family: 'Nortica';
    src: url('../fonts/NorticaTypeface-Regular.woff2?v=4') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Nortica';
    src: url('../fonts/NorticaTypeface-Medium.woff2?v=4') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Nortica';
    src: url('../fonts/NorticaTypeface-SemiBold.woff2?v=4') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Nortica';
    src: url('../fonts/NorticaTypeface-Bold.woff2?v=4') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* --- Variables --- */
:root {
    --green: #3A7D44;
    --green-dark: #2D5A3D;
    --green-bright: #5DBF6A;
    --green-light: #E8F5E9;
    --green-glow: rgba(58,125,68,0.35);
    --gold: #D4A843;
    --text: #1A1A1A;
    --text-light: #555;
    --text-muted: #888;
    --bg: #FFFFFF;
    --bg-alt: #F7F9F7;
    --bg-dark: #1A1A1A;
    --hero-bg: #112B1C;
    --hero-bg-gradient: linear-gradient(135deg, #1F4A30 0%, #14301F 45%, #0B1C12 100%);
    --border: #E0E0E0;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow: 0 2px 12px rgba(0,0,0,0.07);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --shadow-green: 0 8px 30px rgba(58,125,68,0.25);
    --transition: 0.3s ease;
    --container: 1200px;
    --header-h: 72px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
    font-family: 'Nortica', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-dark); }
ul { list-style: none; }

/* --- Layout --- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: #fff; }
.text-center { text-align: center; }

/* --- Typography --- */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.2; color: var(--text); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 24px; }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: 16px; }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); margin-bottom: 12px; }
h4 { font-size: 1.1rem; margin-bottom: 8px; }
.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 640px;
    margin: 0 auto 48px;
}
.tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--green);
    background: var(--green-light);
    border: 1px solid rgba(58,125,68,0.25);
    border-radius: 100px;
    padding: 5px 14px;
    margin-bottom: 16px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    justify-content: center;
}
.btn-primary {
    background: var(--green);
    color: #fff;
    border-color: var(--green);
    box-shadow: 0 4px 18px var(--green-glow);
}
.btn-primary:hover {
    background: var(--green-dark);
    border-color: var(--green-dark);
    color: #fff;
    box-shadow: 0 6px 28px rgba(58,125,68,0.5);
    transform: translateY(-1px);
}
.btn-outline {
    background: transparent;
    color: var(--green);
    border-color: var(--green);
}
.btn-outline:hover {
    background: var(--green);
    color: #fff;
}
.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.3);
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
    color: #fff;
}
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }
.btn-group { display: flex; gap: 16px; flex-wrap: wrap; }

/* ========================================
   HEADER
   ======================================== */
/* Nota: backdrop-filter en .site-header crea un "containing block" para
   los elementos position:fixed dentro de el (como .main-nav en movil),
   lo que recorta/transparenta el menu desplegable y oculta enlaces.
   Por eso usamos un fondo solido en lugar de backdrop-filter. */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    height: var(--header-h);
    transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow); }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.logo img { height: 36px; width: auto; }
.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}
.main-nav ul {
    display: flex;
    align-items: center;
    gap: 8px;
}
.main-nav a {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius);
    transition: all var(--transition);
}
.main-nav a:hover,
.main-nav a.active { color: var(--green); background: var(--green-light); }
.nav-cta {
    background: var(--green) !important;
    color: #fff !important;
    padding: 10px 20px !important;
}
.nav-cta:hover { background: var(--green-dark) !important; }
/* Language switch dropdown */
.lang-switch {
    position: relative;
    margin-left: 12px;
    flex-shrink: 0;
}
.lang-switch__btn {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: all var(--transition);
}
.lang-switch__btn::-webkit-details-marker { display: none; }
.lang-switch__btn::marker { display: none; }
.lang-switch__globe { flex-shrink: 0; }
/* El botón ya no muestra el código de idioma activo, así que la marca del
   idioma actual dentro del desplegable tiene que verse bien. */
.lang-switch__item--active::after {
    content: '✓';
    margin-left: 8px;
    font-weight: 700;
}
.lang-switch[open] .lang-switch__btn,
.lang-switch__btn:hover { color: var(--green); border-color: var(--green); }
.lang-switch__arrow { transition: transform var(--transition); }
.lang-switch[open] .lang-switch__arrow { transform: rotate(180deg); }
/* El selector `.main-nav ul` (flex en fila) también alcanza a este <ul> y es
   más específico que `.lang-switch__menu`, así que el desplegable de idioma
   se abría como una tira horizontal de 465px en vez de una lista. Se fuerza
   la columna con un selector de igual peso. */
.main-nav .lang-switch__menu { display: block; }
.lang-switch__menu {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 140px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 1000;
    list-style: none;
    padding: 4px 0;
    margin: 0;
}
.lang-switch__item {
    display: block;
    padding: 8px 16px;
    font-size: 0.875rem;
    color: var(--text);
    white-space: nowrap;
    transition: background var(--transition);
}
.lang-switch__item:hover { background: var(--green-light); color: var(--green); }
.lang-switch__item--active { color: var(--green); font-weight: 600; }

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all var(--transition);
    border-radius: 2px;
}

/* ========================================
   HERO
   ======================================== */
.hero {
    padding: calc(var(--header-h) + 22px) 0 26px;
    background: var(--hero-bg-gradient);
    min-height: calc(100vh - var(--header-h));
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
/* Dot grid + tech grid-line overlay */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(93,191,106,0.14) 1px, transparent 1px),
        linear-gradient(rgba(93,191,106,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(93,191,106,0.05) 1px, transparent 1px);
    background-size: 36px 36px, 72px 72px, 72px 72px;
    pointer-events: none;
}
/* Green glow bottom-right + gold accent glow top-left */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle 520px at 100% 100%, rgba(58,125,68,0.22) 0%, transparent 70%),
        radial-gradient(circle 420px at 0% 0%, rgba(212,168,67,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: #ffffff;
    margin-bottom: 14px;
    line-height: 1.15;
    font-weight: 700;
}
.hero h1 em {
    font-style: normal;
    color: var(--green-bright);
}
.hero .tag {
    background: rgba(93,191,106,0.12);
    color: var(--green-bright);
    border-color: rgba(93,191,106,0.3);
}
.hero-text p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.65);
    margin-bottom: 22px;
    max-width: 520px;
    line-height: 1.6;
}
.hero .btn-outline {
    color: rgba(255,255,255,0.9);
    border-color: rgba(255,255,255,0.3);
}
.hero .btn-outline:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.6);
    color: #fff;
}
/* Hero stats row */
.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 26px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    flex-wrap: wrap;
}
.hero-stat { text-align: left; }
.hero-stat-number {
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--green-bright);
    line-height: 1;
    font-family: 'Nortica', sans-serif;
}
.hero-stat-label {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-top: 4px;
}
.hero-image {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
}
.hero-image > img {
    max-height: 520px;
    max-width: 100%;
    width: auto;
    margin: 0 auto;
    object-fit: contain;
    filter: drop-shadow(0 32px 60px rgba(0,0,0,0.55)) drop-shadow(0 0 80px rgba(58,125,68,0.25));
}
/* Hero collage — mosaic of product photos */
.hero-collage {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    grid-template-rows: 1fr 1fr;
    gap: 14px;
    aspect-ratio: 4 / 3.6;
}
.hero-collage::before {
    content: '';
    position: absolute;
    inset: -10%;
    background: radial-gradient(circle, rgba(93,191,106,0.25) 0%, transparent 65%);
    filter: blur(60px);
    z-index: -1;
}
.hero-collage-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #f4f3ee;
    box-shadow:
        0 0 0 1px rgba(93,191,106,0.18),
        0 16px 40px rgba(0,0,0,0.45);
}
.hero-collage-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.hero-collage-item:hover img { transform: scale(1.05); }
.hero-collage-item.item-1 { grid-row: 1 / 3; }
.hero-collage-item.item-2 { }
.hero-collage-item.item-3 { }

/* ========================================
   CONTACT STRIP (cercanía / soporte directo)
   ======================================== */
.contact-strip {
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 28px 0;
}
.contact-strip-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.contact-strip-info {
    display: flex;
    align-items: center;
    gap: 16px;
}
.contact-strip-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--green-light);
    color: var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.contact-strip-text strong {
    display: block;
    font-size: 1.05rem;
    color: var(--text);
    margin-bottom: 2px;
}
.contact-strip-text span {
    font-size: 0.9rem;
    color: var(--text-muted);
}
.contact-strip-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.contact-strip .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
}

/* ========================================
   CERTIFICATIONS BAR
   ======================================== */
.certs-bar {
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
}
.certs-bar .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}
.certs-bar h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 0;
    white-space: nowrap;
}
.cert-icons {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.cert-icon {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: var(--text);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 16px;
    transition: border-color var(--transition), background var(--transition);
}
.cert-icon:hover {
    border-color: var(--green);
    background: var(--green-light);
}
.cert-icon svg {
    width: 16px;
    height: 16px;
    color: var(--green);
    flex-shrink: 0;
}

/* ========================================
   VALUE PROPOSITIONS
   ======================================== */
.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}
/* Variante de 3 columnas (nosotros.php, app.php). Antes iba como style="" en
   el HTML, y un estilo en línea gana a las media queries: en móvil las tres
   columnas seguían ahí y las palabras se partían por la mitad («Sop orte»). */
.value-grid--3 { grid-template-columns: repeat(3, 1fr); }
.value-card {
    text-align: center;
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.value-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--green), var(--green-bright));
    opacity: 0;
    transition: opacity var(--transition);
}
.value-card:hover::before { opacity: 1; }
.value-card:hover {
    border-color: rgba(58,125,68,0.3);
    box-shadow: var(--shadow-green);
    transform: translateY(-6px);
}
.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border-radius: 14px;
    background: var(--green-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green);
    transition: all var(--transition);
}
.value-card:hover .value-icon {
    background: var(--green);
    color: #fff;
    box-shadow: 0 4px 16px var(--green-glow);
}
.value-icon svg { width: 28px; height: 28px; }
.value-card h3 { font-size: 1.05rem; margin-bottom: 8px; font-weight: 700; }
.value-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }

/* ========================================
   TECHNOLOGY PREVIEW (Home)
   ======================================== */
.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}
.tech-grid .tech-card {
    flex: 0 0 calc(33.333% - 16px);
    max-width: calc(33.333% - 16px);
}
.tech-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.tech-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at 50% -20%, rgba(58,125,68,0.07), transparent 65%);
    opacity: 0;
    transition: opacity var(--transition);
}
.tech-card:hover::after { opacity: 1; }
.tech-card:hover {
    border-color: var(--green);
    box-shadow: var(--shadow-green);
    transform: translateY(-4px);
}
.tech-card-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    color: var(--green);
    position: relative;
    z-index: 1;
}
.tech-card h3 { font-size: 1rem; margin-bottom: 8px; font-weight: 700; position: relative; z-index: 1; }
.tech-card p { font-size: 0.88rem; color: var(--text-light); position: relative; z-index: 1; }

/* ========================================
   SECTORS
   ======================================== */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.sector-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 300px;
    display: flex;
    align-items: flex-end;
    text-align: left;
    background: var(--hero-bg-gradient);
    border: 1px solid rgba(93,191,106,0.18);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.sector-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(93,191,106,0.12) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}
.sector-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle 280px at 88% 8%, rgba(93,191,106,0.2) 0%, transparent 70%);
    pointer-events: none;
}
.sector-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-green);
    border-color: rgba(93,191,106,0.45);
}
.sector-card-art {
    position: absolute;
    top: 28px;
    right: 28px;
    width: 96px;
    height: 96px;
    color: var(--green-bright);
    opacity: 0.9;
    z-index: 1;
    transition: transform var(--transition);
}
.sector-card:hover .sector-card-art { transform: scale(1.07); }
.sector-card-content {
    position: relative;
    z-index: 1;
    padding: 32px;
    color: #fff;
}
.sector-chip {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--green-bright);
    margin-bottom: 10px;
}
.sector-card h3 { color: #fff; font-size: 1.4rem; }
.sector-card p { color: rgba(255,255,255,0.8); font-size: 0.9rem; }

/* ========================================
   PRODUCTS GRID
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}
.product-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg);
    transition: all var(--transition);
}
.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.product-card-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: #f5f5f5;
}
.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}
.product-card:hover .product-card-image img { transform: scale(1.03); }
.product-card-body { padding: 24px; }
.product-card-body h3 { margin-bottom: 4px; }
.product-card-capacity {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 12px;
}
.product-card-specs {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.product-card-specs span {
    display: flex;
    align-items: center;
    gap: 4px;
}
.product-card-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 16px;
}
.product-card-footer {
    display: flex;
    gap: 12px;
}

/* ========================================
   PRODUCT DETAIL
   ======================================== */
.product-detail { padding-top: calc(var(--header-h) + 40px); padding-bottom: 80px; }
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.product-gallery { position: sticky; top: calc(var(--header-h) + 24px); }
.product-gallery-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #f5f5f5;
    margin-bottom: 12px;
}
.product-gallery-main img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.product-gallery-thumbs { display: flex; gap: 12px; }
.product-gallery-thumbs img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    cursor: pointer;
    transition: border-color var(--transition);
}
.product-gallery-thumbs img.active,
.product-gallery-thumbs img:hover { border-color: var(--green); }

.product-info .tag { margin-bottom: 8px; }
.product-info h1 { margin-bottom: 8px; }
.product-capacity-badge {
    display: inline-block;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 20px;
}

.specs-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table td { padding: 12px 0; font-size: 0.92rem; }
.specs-table td:first-child { font-weight: 500; color: var(--text); width: 45%; }
.specs-table td:last-child { color: var(--text-light); }

.product-features { margin: 24px 0; }
.product-features li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    font-size: 0.92rem;
    color: var(--text-light);
}
.product-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--green-light);
    border: 2px solid var(--green);
}

.product-actions { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }

/* ========================================
   TECHNOLOGY PAGE
   ======================================== */
.tech-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
}
/* El zigzag de escritorio (texto-imagen / imagen-texto) NO se hace aquí: se
   consigue invirtiendo el orden de los divs en el HTML. Antes había un
   `:nth-child(even){direction:rtl}` que nunca llegaba a aplicarse, porque cada
   .tech-section es hija única de su propio .container — era código muerto y
   despistaba. Si añades una sección, alterna el orden en el HTML.
   En móvil ese orden se normaliza (ver RESPONSIVE): siempre texto y luego
   imagen, para no encontrarte un diagrama antes de saber qué es. */
.tech-section-content h2 { margin-bottom: 16px; }
.tech-section-content p { color: var(--text-light); margin-bottom: 16px; }
.tech-section-visual {
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}
.tech-section-visual svg,
.tech-section-visual img { max-width: 100%; max-height: 280px; }

.tech-benefits {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}
.tech-benefit {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.92rem;
}
.tech-benefit-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--green-light);
    color: var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

/* ========================================
   CALCULATOR
   ======================================== */
.calc-container { max-width: 900px; margin: 0 auto; }
.calc-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 32px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    padding: 4px;
}
.calc-tab {
    flex: 1;
    padding: 14px 24px;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all var(--transition);
}
.calc-tab.active {
    background: var(--bg);
    color: var(--green);
    box-shadow: var(--shadow);
    font-weight: 600;
}
.calc-panel { display: none; }
.calc-panel.active { display: block; }

.appliance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}
.appliance-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}
.appliance-item.selected { border-color: var(--green); background: var(--green-light); }
.appliance-check {
    width: 22px;
    height: 22px;
    border: 2px solid var(--border);
    border-radius: 4px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
}
.appliance-item.selected .appliance-check {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
}
.appliance-info { flex: 1; }
.appliance-name { font-weight: 500; font-size: 0.92rem; }
.appliance-watts { font-size: 0.8rem; color: var(--text-muted); }
.appliance-hours {
    width: 60px;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.85rem;
    text-align: center;
}

.pro-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.88rem; font-weight: 500; }
.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.92rem;
    transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green);
}

.calc-results {
    margin-top: 32px;
    border: 2px solid var(--green);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.calc-results-header {
    background: var(--green);
    color: #fff;
    padding: 16px 24px;
    font-weight: 600;
    font-size: 1.05rem;
}
/* La tabla puede ser más ancha que el móvil: el cuerpo scrollea en horizontal.
   En <=640px la tabla pasa a tarjetas apiladas y ya no hace falta (ver RESPONSIVE). */
.calc-results-body {
    padding: 24px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.results-table { width: 100%; border-collapse: collapse; }
.results-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--border);
}
.results-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
.results-table tr:last-child td { border-bottom: none; }
.results-table .recommended { background: var(--green-light); font-weight: 600; }
.autonomy-value { font-weight: 700; color: var(--green); font-size: 1.1rem; }

/* ========================================
   BLOG
   ======================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}
.blog-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg);
    transition: all var(--transition);
}
.blog-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.blog-card-image { aspect-ratio: 16/9; overflow: hidden; }
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-body { padding: 24px; }
.blog-card h3 { margin-bottom: 8px; }
.blog-card p { font-size: 0.9rem; color: var(--text-light); }

/* ========================================
   CONTACT FORM
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-info-card {
    padding: 32px;
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
}
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 24px;
}
.contact-info-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--green-light);
    color: var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, #071a0a 0%, #0e2e12 60%, #163319 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(93,191,106,0.1) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: #fff; margin-bottom: 16px; font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.cta-section p { color: rgba(255,255,255,0.7); margin-bottom: 36px; max-width: 560px; margin-left: auto; margin-right: auto; font-size: 1.05rem; }

/* ========================================
   CERTIFICATION DETAIL CARDS (Nosotros)
   ======================================== */
.certs-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.cert-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 0;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.cert-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--green), var(--green-bright));
    opacity: 0;
    transition: opacity var(--transition);
}
.cert-card:hover::before { opacity: 1; }
.cert-card:hover {
    border-color: rgba(58,125,68,0.3);
    box-shadow: var(--shadow-green);
    transform: translateY(-4px);
}
.cert-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}
.cert-badge-pill {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--green);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 800;
    color: white;
    letter-spacing: 0.5px;
    text-align: center;
    line-height: 1.2;
    transition: all var(--transition);
}
.cert-card:hover .cert-badge-pill {
    background: var(--green-dark);
    box-shadow: 0 4px 14px var(--green-glow);
}
.cert-card-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.2;
}
.cert-card-std {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.08em;
    margin-top: 3px;
}
.cert-card-desc {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.65;
    flex: 1;
    margin-bottom: 16px;
}
.cert-card-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--green);
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

@media (max-width: 1024px) {
    .certs-detail-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .certs-detail-grid { grid-template-columns: 1fr; }
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-logo { filter: brightness(0) invert(1); margin-bottom: 16px; }
.site-footer h4 { color: #fff; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 16px; }
.site-footer ul li { margin-bottom: 8px; }
.site-footer a { color: rgba(255,255,255,0.7); }
.site-footer a:hover { color: #fff; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    transition: all var(--transition);
}
.footer-social a:hover { border-color: var(--green); color: var(--green); }
.cert-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-badge {
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    color: rgba(255,255,255,0.6);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    font-size: 0.85rem;
}

/* ========================================
   PAGE HEADER (inner pages)
   ======================================== */
/* Cabecera de página interior: limpia, blanca y minimalista.
   El acento de marca lo pone el .tag verde sobre el título. */
.page-header {
    padding: calc(var(--header-h) + 52px) 0 44px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}
.page-header h1 {
    color: var(--text);
    font-size: clamp(1.9rem, 4vw, 2.7rem);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.page-header .section-subtitle {
    color: var(--text-light);
    margin: 0;
    max-width: 640px;
}
.page-header .tag { margin-bottom: 14px; }
.page-header .breadcrumb { margin-bottom: 22px; }
/* Icono decorativo retirado del diseño (markup antiguo puede seguir existiendo) */
.page-header-icon { display: none; }

.breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb span { color: var(--text-muted); }

/* ========================================
   LEGAL CONTENT (Privacidad / Terminos)
   ======================================== */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}
.legal-content .legal-updated {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 40px;
}
.legal-content h2 {
    font-size: 1.5rem;
    margin-top: 48px;
    margin-bottom: 16px;
    color: var(--text);
}
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content h3 {
    font-size: 1.1rem;
    margin-top: 28px;
    margin-bottom: 10px;
    color: var(--green-dark);
}
.legal-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}
.legal-content ul {
    margin: 0 0 16px 0;
    padding-left: 22px;
    color: var(--text-light);
    line-height: 1.8;
}
.legal-content li { margin-bottom: 6px; }
.legal-content li strong { color: var(--text); }
.legal-content a { color: var(--green); }
.legal-content a:hover { color: var(--green-dark); }

/* ========================================
   ARTICLE (Blog post)
   ======================================== */
.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    max-width: 800px;
    margin: 0 auto 28px;
    color: var(--text-muted);
    font-size: 0.85rem;
}
.article-meta span { display: flex; align-items: center; gap: 6px; }
.article-meta svg { width: 15px; height: 15px; }
.article-featured-image {
    max-width: 800px;
    margin: 0 auto 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16/9;
    object-fit: cover;
}
.article-content {
    max-width: 800px;
    margin: 0 auto;
}
.article-content h2 {
    font-size: 1.5rem;
    margin-top: 48px;
    margin-bottom: 16px;
    color: var(--text);
}
.article-content h2:first-of-type { margin-top: 0; }
.article-content h3 {
    font-size: 1.15rem;
    margin-top: 28px;
    margin-bottom: 10px;
    color: var(--green-dark);
}
.article-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}
.article-content ul, .article-content ol {
    margin: 0 0 16px 0;
    padding-left: 22px;
    color: var(--text-light);
    line-height: 1.8;
}
.article-content li { margin-bottom: 6px; }
.article-content li strong, .article-content p strong { color: var(--text); }
.article-content a { color: var(--green); }
.article-content a:hover { color: var(--green-dark); }
.article-cta {
    max-width: 800px;
    margin: 36px auto;
    background: var(--green-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    text-align: center;
}
.article-cta h3 {
    margin: 0 0 8px;
    color: var(--text);
    font-size: 1.2rem;
}
.article-cta p {
    color: var(--text-light);
    margin-bottom: 18px;
}
.article-cta .btn-group { justify-content: center; }
.article-related {
    max-width: 800px;
    margin: 56px auto 0;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}
.article-related h3 { margin-bottom: 20px; }
.article-related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
@media (max-width: 640px) {
    .article-related-grid { grid-template-columns: 1fr; }
}

/* ========================================
   ALERT / MESSAGES
   ======================================== */
.alert {
    padding: 16px 24px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-size: 0.92rem;
}
.alert-success { background: var(--green-light); color: var(--green-dark); border: 1px solid var(--green); }
.alert-error { background: #FEE; color: #C00; border: 1px solid #FAA; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-image { display: none; }
    .value-grid { grid-template-columns: repeat(2, 1fr); }
    .sectors-grid { grid-template-columns: 1fr; }
    .product-detail-grid { grid-template-columns: 1fr; }
    .product-gallery { position: static; }
    /* Una sola columna: aquí manda el orden del HTML, y ese orden alterna
       para el zigzag de escritorio. En «Shunt integrado» y «Conexión remota»
       la imagen va antes en el HTML, así que en móvil aparecía el diagrama
       antes de su propio título. Con `order` se normaliza a texto → imagen
       en todas las secciones sin tocar el zigzag de escritorio. */
    .tech-section { grid-template-columns: 1fr; gap: 28px; }
    .tech-section > .tech-section-content { order: 1; }
    .tech-section > .tech-section-visual  { order: 2; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .tech-grid .tech-card { flex: 0 0 calc(50% - 12px); max-width: calc(50% - 12px); }
}

@media (max-width: 768px) {
    :root { --header-h: 64px; }
    .section { padding: 56px 0; }
    .container { padding: 0 16px; }

    .nav-toggle { display: flex; }
    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg);
        padding: 24px;
        transform: translateX(100%);
        transition: transform var(--transition);
        z-index: 999;
        /* El .main-nav de escritorio es flex en fila: sin cambiarlo aquí, la
           lista y el selector de idioma quedaban uno al lado del otro y el
           selector se salía de la pantalla (llegaba a 475px en un móvil de 375). */
        flex-direction: column;
        align-items: stretch;
    }
    .main-nav.open { transform: translateX(0); }
    .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
    .main-nav a { display: block; padding: 14px 16px; font-size: 1rem; }
    .nav-cta { text-align: center; margin-top: 8px; }
    .lang-switch { margin: 16px 0 0; width: 100%; }
    .lang-switch__btn {
        justify-content: center;
        width: 100%;
        min-height: 48px;      /* objetivo táctil, antes 35px */
        font-size: 0.95rem;
    }
    .lang-switch__menu { position: static; box-shadow: none; border: none; border-top: 1px solid var(--border); border-radius: 0; min-width: unset; width: 100%; }
    .lang-switch__item { text-align: center; }

    .value-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .pro-inputs { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .btn-group { flex-direction: column; }
    .certs-bar .container { flex-direction: column; gap: 16px; }
    .tech-grid .tech-card { flex: 0 0 100%; max-width: 100%; }
}

/* ========================================
   APP DOWNLOAD PAGE
   ======================================== */
.app-icon-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}
.app-icon-wrap img {
    width: 96px;
    height: 96px;
    border-radius: 22px;
    box-shadow: var(--shadow);
}
.store-badge-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--green);
    background: var(--green-light);
    border: 1px solid rgba(58,125,68,0.25);
    border-radius: 100px;
    padding: 5px 14px;
    margin: 0 0 16px;
}
.store-badges {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 8px 0 32px;
}
.store-badge {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #111;
    color: #fff;
    border-radius: var(--radius);
    border: 2px solid transparent;
    padding: 14px 28px;
    min-width: 220px;
    text-decoration: none;
    transition: all var(--transition);
}
.store-badge:hover {
    background: var(--green-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}
.store-badge.recommended {
    border-color: var(--green-bright);
    box-shadow: 0 0 0 4px rgba(93,191,106,0.15);
}
.store-badge svg { flex-shrink: 0; }
.store-badge-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.3;
}
.store-badge-text small {
    font-size: 0.7rem;
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.store-badge-text strong { font-size: 1.05rem; font-weight: 700; }
@media (max-width: 640px) {
    .store-badges { flex-direction: column; align-items: stretch; }
    .store-badge { min-width: 0; }
}

/* ========================================
   PROCESS STEPS (Cómo trabajamos)
   ======================================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    counter-reset: step;
}
.process-step {
    position: relative;
    text-align: left;
    padding: 32px 28px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}
.process-step:hover {
    border-color: rgba(58,125,68,0.3);
    box-shadow: var(--shadow-green);
    transform: translateY(-4px);
}
.process-step-number {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--green);
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 4px 14px var(--green-glow);
}
.process-step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }

/* ========================================
   GUARANTEE BAND (Compromiso Upcyon)
   ======================================== */
.guarantee-band {
    background: var(--hero-bg-gradient);
    padding: 90px 0;
    position: relative;
    overflow: hidden;
}
.guarantee-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(93,191,106,0.12) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}
.guarantee-band::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle 480px at 0% 100%, rgba(58,125,68,0.25) 0%, transparent 70%);
    pointer-events: none;
}
.guarantee-band .container { position: relative; z-index: 1; }
.guarantee-band-inner {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
}
.guarantee-band-text h2 { color: #fff; }
.guarantee-band-text p { color: rgba(255,255,255,0.65); font-size: 1.05rem; line-height: 1.7; }
.guarantee-band .tag {
    background: rgba(93,191,106,0.12);
    color: var(--green-bright);
    border-color: rgba(93,191,106,0.3);
}
.guarantee-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.guarantee-list li {
    position: relative;
    padding: 18px 22px 18px 56px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(93,191,106,0.22);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition), background var(--transition);
}
.guarantee-list li:hover {
    border-color: rgba(93,191,106,0.5);
    background: rgba(93,191,106,0.07);
}
.guarantee-list li::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 22px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--green-bright);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 11.08V12a10 10 0 1 1-5.93-9.14'/%3E%3Cpolyline points='22 4 12 14.01 9 11.01'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 11.08V12a10 10 0 1 1-5.93-9.14'/%3E%3Cpolyline points='22 4 12 14.01 9 11.01'/%3E%3C/svg%3E") center / contain no-repeat;
}
.guarantee-list strong {
    display: block;
    color: #fff;
    font-size: 1rem;
    margin-bottom: 2px;
}
.guarantee-list span {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.5;
}

/* ========================================
   FAQ (acordeón nativo con details/summary)
   ======================================== */
.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item[open] {
    border-color: rgba(58,125,68,0.35);
    box-shadow: var(--shadow);
}
.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    font-weight: 600;
    font-size: 0.98rem;
    cursor: pointer;
    list-style: none;
    transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--green); }
.faq-item[open] summary { color: var(--green); }
.faq-chevron {
    flex-shrink: 0;
    color: var(--green);
    transition: transform var(--transition);
}
.faq-item[open] .faq-chevron { transform: rotate(180deg); }
.faq-item p {
    padding: 0 24px 20px;
    font-size: 0.92rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ========================================
   FORM EXTRAS (RGPD + honeypot)
   ======================================== */
.consent-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--text-light);
    cursor: pointer;
    line-height: 1.5;
}
.consent-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--green);
    cursor: pointer;
}
.consent-label a { text-decoration: underline; }
.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* ========================================
   WHATSAPP FLOAT
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 900;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(37,211,102,0.45);
    transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 32px rgba(37,211,102,0.55);
    color: #fff;
}
/* Se aparta mientras se rellena un formulario (lo activa main.js): en móvil
   el botón se solapaba con el campo situado abajo a la derecha. */
.whatsapp-float.is-hidden {
    opacity: 0;
    visibility: hidden;
    transform: scale(0.6) translateY(12px);
    pointer-events: none;
}

/* ========================================
   FOOTER LEGAL
   ======================================== */
.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.footer-legal {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.footer-legal a { font-size: 0.85rem; }

/* ========================================
   ACCESSIBILITY
   ======================================== */
.skip-link {
    position: absolute;
    top: -48px;
    left: 16px;
    z-index: 2000;
    background: var(--green);
    color: #fff;
    padding: 10px 18px;
    border-radius: 0 0 var(--radius) var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    transition: top 0.2s ease;
}
.skip-link:focus { top: 0; color: #fff; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--green-bright);
    outline-offset: 2px;
}

@media (max-width: 1024px) {
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .guarantee-band-inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
    .process-grid { grid-template-columns: 1fr; }
    .guarantee-band { padding: 64px 0; }
    .whatsapp-float { bottom: 16px; right: 16px; width: 52px; height: 52px; }
    .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
}

/* ========================================
   BLOG PAGINATION
   ======================================== */
/* --- Categorías del blog (chips de filtro / hubs SEO) --- */
.blog-cats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}
.blog-cat-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 100px;
    text-decoration: none;
    transition: all var(--transition);
}
.blog-cat-chip:hover:not(.active) {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-light);
}
.blog-cat-chip.active {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
    box-shadow: 0 4px 14px var(--green-glow);
}
.blog-cat-count { font-size: 0.72rem; font-weight: 700; opacity: 0.65; }
@media (max-width: 640px) {
    .blog-cat-chip { padding: 7px 13px; font-size: 0.82rem; }
}

.blog-pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
}
.blog-pagination:empty { display: none; }
.blog-pagination .page-btn {
    min-width: 42px;
    height: 42px;
    padding: 0 14px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
}
.blog-pagination .page-btn:hover:not(:disabled):not(.active) {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-light);
}
.blog-pagination .page-btn.active {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
    box-shadow: 0 4px 14px var(--green-glow);
    cursor: default;
}
.blog-pagination .page-btn.page-nav { font-weight: 600; }
.blog-pagination .page-ellipsis {
    min-width: 24px;
    text-align: center;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 1px;
    user-select: none;
}
.blog-pagination .page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
@media (max-width: 640px) {
    /* 44px: se pulsan a menudo y con el pulgar, no encoger por debajo */
    .blog-pagination .page-btn { min-width: 44px; height: 44px; padding: 0 10px; font-size: 0.9rem; }
    .blog-pagination .page-btn.page-nav { font-size: 0.82rem; }
    .blog-pagination { gap: 6px; }
}

/* ========================================
   ANIMATIONS
   ======================================== */
/* Ojo con el selector: el estado oculto cuelga de .js (que pone el script
   en linea de header.php). Sin JavaScript, o si ese script fallara, el
   contenido se ve SIEMPRE en vez de quedarse invisible para siempre. */
.js .fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    /* Red de seguridad: si el observador no llegara a marcar el bloque (un
       error de JS en otro sitio, por ejemplo), a los 3s se muestra igual.
       Nunca debe quedar contenido invisible por culpa de una animacion. */
    animation: fade-in-rescate 0s 3s forwards;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
@keyframes fade-in-rescate { to { opacity: 1; transform: translateY(0); } }

/* Quien pide menos animacion no deberia esperar a ningun observador. */
@media (prefers-reduced-motion: reduce) {
    .js .fade-in { opacity: 1; transform: none; transition: none; animation: none; }
}

/* ========================================
   OPTIMIZACIÓN MÓVIL
   ========================================
   Reglas transversales para que la web se use con el pulgar:
   nada cortado, nada que exija zoom y ningún objetivo táctil diminuto.
   ======================================== */

/* Red de seguridad: si algún bloque futuro se pasa de ancho, que no
   provoque scroll lateral de toda la página (el clásico "se mueve al lado").
   Se usa `clip` y NO `hidden` a propósito: `hidden` convierte el elemento en
   contenedor de scroll y eso rompe el position:sticky de la galería de
   producto (comprobado: la galería dejaba de fijarse). `clip` recorta igual
   sin crear contexto de scroll. En navegadores sin soporte simplemente no
   recorta, que es la degradación aceptable. */
html, body { overflow-x: clip; }
/* Safari en horizontal infla el texto por su cuenta; lo desactivamos. */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
/* Evitar el flash gris al tocar; el :active de cada componente ya da feedback. */
a, button, .appliance-item, .calc-tab { -webkit-tap-highlight-color: rgba(44,186,143,0.15); }

/* Media legítimamente ancha: que scrollee ella, nunca la página. */
.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
}

@media (max-width: 768px) {
    /* --- Formularios: 16px evita que iOS haga zoom al enfocar un campo ---
       (Safari amplía la página si el campo tiene menos de 16px y luego
       el usuario se queda con la vista descuadrada.) */
    input, select, textarea,
    .form-group input, .form-group select, .form-group textarea {
        font-size: 16px;
    }
    .form-group input, .form-group select, .form-group textarea { padding: 13px 14px; }
    /* Alturas mínimas cómodas para el dedo */
    input:not([type="checkbox"]):not([type="radio"]), select, .btn { min-height: 46px; }
    textarea { min-height: 120px; }
    /* Checkbox de consentimiento: agrandado, es un objetivo táctil real.
       La etiqueta entera es pulsable, así que se le da altura cómoda. */
    input[type="checkbox"], input[type="radio"],
    .consent-label input[type="checkbox"] { width: 24px; height: 24px; flex-shrink: 0; }
    .consent-label { gap: 12px; padding: 8px 0; font-size: 0.92rem; align-items: center; }
    .consent-label input[type="checkbox"] { margin-top: 0; }

    /* Teléfono y email de la tarjeta de contacto: son acciones, no texto */
    .contact-info-card { padding: 24px 20px; }
    .contact-info-item a {
        display: inline-block;
        padding: 8px 0;
        min-height: 40px;
        font-size: 1rem;
        font-weight: 600;
    }

    /* --- Objetivos táctiles: mínimo recomendado ~44px --- */
    .nav-toggle { width: 44px; height: 44px; justify-content: center; }
    .footer-social a { width: 44px; height: 44px; }
    .site-footer ul li { margin-bottom: 2px; }
    /* display:block para que se pueda pulsar toda la fila, no solo la palabra
       (un enlace como "Blog" medía 32px de ancho). */
    .site-footer ul li a,
    .footer-legal a {
        display: block;
        padding: 11px 0;
        min-height: 44px;
    }
    /* El logo de cabecera también es un enlace: altura pulsable cómoda */
    .site-header .logo {
        display: flex;
        align-items: center;
        min-height: 44px;
    }
    .breadcrumb { gap: 10px; font-size: 0.88rem; align-items: center; }
    .breadcrumb a {
        display: inline-flex;
        align-items: center;
        min-height: 44px;
        padding: 0 4px;
        margin: 0 -4px;
    }
    /* Chips de categoría del blog: son filtros, se pulsan mucho */
    .blog-cat-chip { min-height: 44px; padding: 10px 16px; }

    /* --- Menú móvil: scrollable y sin quedarse detrás de la barra del sistema --- */
    .main-nav {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
    }
    /* Con el menú abierto el fondo no debe desplazarse */
    body.nav-open { overflow: hidden; }

    /* --- Botón flotante de WhatsApp: respetar el área segura del iPhone --- */
    .whatsapp-float {
        bottom: calc(16px + env(safe-area-inset-bottom));
        right: calc(16px + env(safe-area-inset-right));
    }
    /* Que el botón nunca tape el final del contenido */
    .site-footer { padding-bottom: 76px; }

    /* --- Tipografía: evitar que una palabra larga rompa la caja ---
       Sin `hyphens: auto` a propósito: en títulos parte palabras normales
       («Sop-orte») y queda peor que dejar la línea corta. break-word solo
       actúa cuando la palabra de verdad no cabe. */
    h1, h2, h3, h4 { overflow-wrap: break-word; }
    .article-content, .legal-content { overflow-wrap: break-word; }

    /* --- Suelo de legibilidad: nada de texto por debajo de ~12,5px ---
       En el móvil se lee a un brazo de distancia y en movimiento. Estas
       etiquetas bajaban a 10,9-11,5px, que es demasiado poco incluso para
       texto secundario. Solo se tocan en móvil; en escritorio siguen igual. */
    .tag { font-size: 0.8rem; letter-spacing: 1.2px; }
    .sector-chip { font-size: 0.82rem; }        /* era 0.68rem = 10,9px */
    .hero-stat-label { font-size: 0.82rem; }
    .cert-card-std { font-size: 0.82rem; }
    .cert-badge { font-size: 0.78rem; }
    .blog-cat-count { font-size: 0.78rem; }
    .store-badge-tag { font-size: 0.8rem; }
    .store-badge-text small { font-size: 0.78rem; }
    .article-meta { font-size: 0.9rem; }
    .breadcrumb { font-size: 0.9rem; }

    /* Notas de la calculadora ("Requiere inversor 230V", consumos, avisos):
       llevan font-size en línea desde calculator.js, así que hace falta
       !important para poder subirlas. Son informativas, no decorativas. */
    .appliance-item .appliance-watts,
    .appliance-item .time-unit,
    .appliance-item .solar-panel-preview,
    .appliance-item .solar-preview,
    .appliance-item .el-extra,
    .appliance-item .el-extra span { font-size: 0.85rem !important; }
    #pro-solar-banner { font-size: 0.92rem !important; }
    #pro-solar-banner small { font-size: 0.85rem; }
    #profile-modal span { font-size: 0.88rem !important; }
    #profile-modal span[style*="font-weight:700"] { font-size: 1.05rem !important; }
}

/* --- CALCULADORA EN MÓVIL --------------------------------------------- */
@media (max-width: 768px) {
    /* Pestañas Simple/Profesional: que quepan sin romper palabra */
    .calc-tab { padding: 13px 10px; font-size: 0.88rem; min-height: 48px; }

    /* Tarjetas de aparato: el input de horas es lo que se toca, agrandarlo */
    .appliance-item { padding: 14px; gap: 10px; flex-wrap: wrap; }
    .appliance-item .appliance-info { min-width: 0; flex: 1 1 60%; }
    .appliance-item .appliance-name { font-size: 0.95rem; }
    .appliance-time {
        width: 68px !important;
        min-height: 44px;
        font-size: 16px !important;
        text-align: center;
        padding: 8px !important;
    }
    /* Inputs y selects embebidos en la calculadora (llevan estilo inline) */
    .appliance-item input[type="number"],
    .appliance-item input[type="text"],
    .appliance-item select,
    .el-extra input, .el-extra select {
        font-size: 16px !important;
        min-height: 40px;
    }
    .appliance-item .custom-watts { width: 62px !important; }
    .appliance-check { width: 26px; height: 26px; }
}

@media (max-width: 640px) {
    /* --- Tabla de resultados → tarjetas apiladas ---
       En 375px una tabla de 6 columnas mide ~700px: antes quedaba recortada
       por el overflow:hidden del contenedor y no había forma de desplazarla.
       En móvil cada batería pasa a ser una tarjeta legible de una ojeada. */
    .calc-results-body { padding: 14px; }
    .results-table thead { display: none; }
    .results-table,
    .results-table tbody,
    .results-table tr,
    .results-table td { display: block; width: 100%; }
    .results-table tr {
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 12px 14px;
        margin-bottom: 12px;
        background: var(--bg);
    }
    .results-table tr:last-child { margin-bottom: 0; }
    .results-table tr.recommended {
        border-color: var(--green);
        border-width: 2px;
        background: var(--green-light);
        box-shadow: 0 4px 16px var(--green-glow);
    }
    .results-table td {
        padding: 7px 0;
        border-bottom: 1px solid rgba(0,0,0,0.06);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        font-size: 0.95rem;
    }
    /* Cabecera de columna delante del dato, ya que el thead está oculto */
    .results-table td[data-label]::before {
        content: attr(data-label);
        font-size: 0.72rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.8px;
        color: var(--text-muted);
        flex-shrink: 0;
    }
    /* El modelo hace de título de la tarjeta */
    .results-table td.cell-model {
        border-bottom: 2px solid var(--border);
        padding-bottom: 10px;
        margin-bottom: 4px;
    }
    .results-table td.cell-model::before { display: none; }
    .results-table td.cell-model strong { font-size: 1.15rem; }
    .results-table td.autonomy-value { font-size: 1.05rem; }
    .results-table td.autonomy-value::before { font-size: 0.72rem; }
    /* Celdas sin cabecera: la etiqueta "Recomendado" y el botón */
    .results-table td.cell-badge:empty { display: none; }
    .results-table td.cell-badge { justify-content: flex-start; border-bottom: none; padding-top: 10px; }
    .results-table td.cell-action { border-bottom: none; padding-top: 4px; }
    .results-table td.cell-action .btn {
        width: 100%;
        min-height: 48px;
        justify-content: center;
        font-size: 0.95rem;
    }
    .calc-results-header { padding: 14px 16px; font-size: 0.98rem; }

    /* Modal de perfil (Empresa/Particular): apilado y sin desbordar */
    #profile-modal > div { padding: 24px 20px !important; max-height: 88vh; overflow-y: auto; }
    #profile-modal a { min-width: 0 !important; flex: 1 1 100% !important; }
}

/* --- DIAGRAMAS SVG DE TECNOLOGÍA -------------------------------------- */
/* Los dos "móviles" (Modo Taller / Modo Usuario) iban en un SVG de 360 de
   ancho: en pantalla pequeña el texto bajaba a ~3px y era ilegible.
   Ahora son dos SVG independientes que se apilan. */
.tech-dual-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
    width: 100%;
}
.tech-dual-panels svg { width: 100%; height: auto; display: block; }
@media (max-width: 900px) {
    .tech-dual-panels { grid-template-columns: 1fr; gap: 20px; max-width: 380px; margin: 0 auto; }
    /* El max-height:280px genérico de .tech-section-visual estrangula el ancho
       de cualquier diagrama más alto que ancho: los paneles verticales
       (172:244) se quedaban en 197px y el desconectador (200:300) en 187px,
       que es lo que dejaba las etiquetas por debajo de 10px. En móvil manda
       el ancho disponible, no la altura. */
    .tech-dual-panels svg,
    .tech-section-visual svg { max-height: none; width: 100%; height: auto; }
    /* Menos relleno alrededor: el móvil necesita ese ancho para el diagrama */
    .tech-section-visual { padding: 20px 14px; min-height: 0; }
}

/* ========================================
   CATALOGO ONLINE (pagina de acceso por QR)
   ======================================== */
.catalog-hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}
.catalog-hero-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.catalog-hero-overlay {
    position: relative;
    width: 100%;
    padding: 60px 0 40px;
    background: linear-gradient(0deg, rgba(11,28,18,0.92) 0%, rgba(11,28,18,0.55) 55%, rgba(11,28,18,0.1) 100%);
}
.catalog-hero-overlay h1 { color: #fff; margin: 10px 0 12px; }
.catalog-hero-overlay p { color: rgba(255,255,255,0.75); max-width: 560px; font-size: 1.05rem; }

/* Fila de highlights escalonados: replica el tratamiento tipografico de la
   portada del catalogo (palabra pequena / palabra enorme / palabra pequena,
   con tamanos distintos por elemento) en vez de tarjetas iguales, que
   quedaba plano y poco vistoso. */
.catalog-highlights {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 28px 24px;
}
.ch-item { display: flex; flex-direction: column; }
.ch-eyebrow {
    font-size: 0.78rem;
    color: var(--text-light);
    margin-bottom: 2px;
}
.ch-big {
    font-family: 'Nortica', sans-serif;
    font-weight: 700;
    font-size: 2.6rem;
    line-height: 1;
    color: var(--text);
}
.ch-big.ch-accent { color: var(--green); }
.ch-caption { font-size: 0.85rem; color: var(--text-light); margin-top: 4px; }

.ch-item--number { flex-direction: row; align-items: center; gap: 12px; }
.ch-number {
    font-family: 'Nortica', sans-serif;
    font-weight: 700;
    font-size: 4.6rem;
    line-height: 0.85;
    color: var(--text);
}
.ch-number-caption { font-size: 0.85rem; color: var(--text-light); line-height: 1.35; }

.ch-item--stack { flex-direction: column; }
.ch-stack-line {
    font-family: 'Nortica', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text);
    line-height: 1.3;
}

.catalog-remote {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    color: var(--green);
}

.catalog-table-wrap { overflow-x: auto; margin: 32px 0; }
.catalog-price-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.catalog-price-table th {
    text-align: left;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    padding: 0 14px 10px;
    border-bottom: 2px solid var(--border);
}
.catalog-price-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 0.92rem;
    vertical-align: middle;
}
.catalog-price-table td:nth-last-child(2),
.catalog-price-table td:last-child { font-weight: 600; color: var(--text); }
.catalog-table-img img { border-radius: 6px; object-fit: contain; background: var(--bg-alt); }
.catalog-table-voltage { font-size: 0.78rem; color: var(--text-muted); }

.catalog-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 640px) {
    .catalog-highlights { justify-content: flex-start; gap: 20px 32px; }
    .ch-big { font-size: 2rem; }
    .ch-number { font-size: 3.4rem; }
    .ch-stack-line { font-size: 1.2rem; }
    .catalog-hero { min-height: 320px; }
    .catalog-hero-overlay { padding: 40px 0 28px; }
}

/* ========================================
   SPLASH DE BIENVENIDA (logo del centro al header)
   ========================================
   Solo se muestra si el script del <head> pone .splash-on en <html>, que a
   su vez solo ocurre la PRIMERA vez de cada visita. Sin JavaScript la
   clase no llega, .splash se queda en display:none y la web carga directa:
   igual que con .fade-in, nada puede quedarse tapado esperando a un
   fichero que no llega.

   El truco de la animacion: el fotograma final es `transform: none`, o sea
   la posicion NATURAL del logo. Como .splash-inner replica el contenedor
   del header (mismo max-width, mismo padding, misma altura) y .splash-logo
   tiene el mismo alto de 36px, esa posicion natural coincide exactamente
   con la del logo real. Aterriza clavado sin medir nada por JS y sin poder
   descuadrarse si manana se cambia el layout. */
.splash { display: none; }

.splash-on .splash {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: var(--bg);
    /* Se apaga solo con la animacion (forwards): aunque fallara cualquier
       otra cosa, el splash SIEMPRE se quita y deja usar la web. */
    animation: splash-fondo 1.05s ease forwards;

    /* Cuanto hay que mover el logo desde su sitio del header hasta el
       centro de la pantalla (el punto de PARTIDA de la animacion).
       - x: centro de la ventana menos el borde izquierdo del contenedor
            menos media anchura del logo.
       - y: centro de la ventana menos medio header (el logo va centrado
            en la barra), asi vale igual con --header-h de 72px o de 64px. */
    --splash-pad: 24px;
    --splash-logo-half: 41px;   /* 326/144 * 36 / 2 = 40,75px */
    --splash-escala: 4;         /* 36px x 4 = 144px, el alto nativo del webp: nitido */
    --splash-x: calc(50vw - max(var(--splash-pad), (100vw - var(--container)) / 2 + var(--splash-pad)) - var(--splash-logo-half));
    --splash-y: calc(50vh - var(--header-h) / 2);
    /* OJO CON EL MOVIL: en el movil 100vh es el alto SIN la barra de
       direcciones, o sea mas de lo que se ve de verdad al cargar. Con vh el
       logo salia entre 40 y 60px por debajo del centro real (no se aprecia
       emulando en el escritorio, solo en un telefono de verdad). svh si es
       lo que se ve al cargar, y ademas no cambia al hacer scroll, asi que
       no da tirones. Se declara DESPUES: los navegadores que no entiendan
       svh se quedan con la linea de arriba. */
    --splash-y: calc(50svh - var(--header-h) / 2);
}

.splash-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--splash-pad);
    height: var(--header-h);
    display: flex;
    align-items: center;
}
.splash-on .splash-logo {
    height: 36px;
    width: auto;
    animation: splash-logo 1.05s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

@keyframes splash-logo {
    /* Aparece, se mantiene un momento en el centro y sale hacia el header */
    0%   { opacity: 0; transform: translate(var(--splash-x), var(--splash-y)) scale(var(--splash-escala)); }
    14%  { opacity: 1; transform: translate(var(--splash-x), var(--splash-y)) scale(var(--splash-escala)); }
    38%  { opacity: 1; transform: translate(var(--splash-x), var(--splash-y)) scale(var(--splash-escala)); }
    100% { opacity: 1; transform: none; }
}
@keyframes splash-fondo {
    /* El fondo aguanta hasta que el logo casi ha llegado: si se destapara
       antes se verian dos logos a la vez (el que viaja y el del header). */
    0%, 78% { opacity: 1; visibility: visible; }
    100%    { opacity: 0; visibility: hidden; }
}

@media (max-width: 768px) {
    /* --splash-pad a 16px para seguir al .container de movil, si no el logo
       no aterrizaria en su sitio. La escala baja a 3,2 (115px de alto): a 4x
       el logo se comia casi todo el ancho del telefono. */
    .splash-on .splash { --splash-pad: 16px; --splash-escala: 3.2; }
}
@media (max-width: 340px) {
    /* Solo para pantallas de verdad estrechas (320px, tipo iPhone SE viejo),
       donde a 3,2 el logo se comia el 82% del ancho. Cuidado con subir este
       umbral: a 380px se colaban los iPhone normales (375px) y el logo se
       quedaba pequenajo, en el 59% del ancho, restando fuerza a la entrada. */
    .splash-on .splash { --splash-escala: 2.7; }
}
/* Movil en horizontal: hay muy poca altura (~375px) y un logo de 115px
   centrado queda desproporcionado. */
@media (max-height: 450px) and (orientation: landscape) {
    .splash-on .splash { --splash-escala: 2.4; }
}

/* Quien pide menos animacion no tiene por que tragarse la intro */
@media (prefers-reduced-motion: reduce) {
    .splash-on .splash { display: none; }
}

/* ========================================
   SEO 2026-10: pedido por taller, comparativa, cifras
   ======================================== */
.order-section { scroll-margin-top: 100px; }
.order-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 56px;
    align-items: start;
}
.order-intro h2 { margin-bottom: 16px; }
.order-intro p { color: var(--text-light); margin-bottom: 16px; }
.order-steps { list-style: none; padding: 0; margin: 24px 0 0; counter-reset: ostep; }
.order-steps li {
    counter-increment: ostep;
    position: relative;
    padding: 0 0 18px 48px;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}
.order-steps li strong { color: var(--text); display: block; }
.order-steps li::before {
    content: counter(ostep);
    position: absolute; left: 0; top: 0;
    width: 32px; height: 32px; border-radius: 10px;
    background: var(--green); color: #fff; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.order-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 0 8px 32px rgba(20,48,31,0.06);
    scroll-margin-top: 100px;
}
.order-form { gap: 16px; }
.order-note { font-size: 0.82rem; color: var(--text-light); margin: 0; }

.compare-wrap { overflow-x: auto; margin-top: 32px; }
.compare-table { width: 100%; border-collapse: collapse; text-align: left; min-width: 520px; }
.compare-table th, .compare-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 0.93rem; }
.compare-table thead th { font-weight: 700; background: var(--green-light); color: var(--green-dark); }
.compare-table td:first-child { font-weight: 500; }
.compare-table td:nth-child(2) { color: var(--green-dark); font-weight: 600; }
.compare-note { font-size: 0.85rem; color: var(--text-light); margin-top: 14px; }

.stats-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}
.stats-band div {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
}
.stats-band strong { display: block; font-size: 1.9rem; color: var(--green); line-height: 1.2; }
.stats-band span { font-size: 0.88rem; color: var(--text-light); }

.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.info-list li { padding-left: 28px; position: relative; color: var(--text-light); line-height: 1.6; }
.info-list li::before {
    content: ""; position: absolute; left: 4px; top: 9px;
    width: 10px; height: 10px; border-radius: 50%; background: var(--green);
}
.info-list li strong { color: var(--text); }
.prose { max-width: 780px; margin: 0 auto; }
.prose h2 { margin: 40px 0 14px; }
.prose p { color: var(--text-light); margin-bottom: 14px; line-height: 1.75; }
.pro-band {
    display: flex; align-items: center; justify-content: space-between; gap: 32px;
    background: var(--green-light); border-radius: var(--radius-lg); padding: 36px 40px;
}
.pro-band h2 { font-size: 1.5rem; margin-bottom: 8px; }
.pro-band p { color: var(--text-light); margin: 0; }

@media (max-width: 900px) {
    .order-grid { grid-template-columns: 1fr; gap: 32px; }
    .stats-band { grid-template-columns: repeat(2, 1fr); }
    .pro-band { flex-direction: column; align-items: flex-start; padding: 28px 24px; }
}
@media (max-width: 640px) {
    .order-box { padding: 22px 18px; }
    .stats-band { gap: 12px; }
    .stats-band strong { font-size: 1.5rem; }
}
.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; }
.sector-card h3 a { color: inherit; }