/* ==========================================================================
   Indiviso Solar - Estilos
   CSS propio liviano, sin frameworks. Mobile-first.
   ========================================================================== */

:root {
    --color-bg:        #fbfaf6;
    --color-surface:   #ffffff;
    --color-surface-2: #f4f2ec;
    --color-border:    #dedbd2;
    --color-text:      #2f2f2f;
    --color-text-soft: #5f5f5f;
    --color-text-faint:#9a968c;
    --color-primary:   #4a4a4a;       /* Gris corporativo del logo */
    --color-primary-d: #2f2f2f;
    --color-accent:    #ffc400;       /* Amarillo solar intenso del logo */
    --color-accent-d:  #e0a600;
    --color-accent-h:  #ffd23a;
    --color-success:   #2e7d32;
    --color-error:     #b3261e;

    --radius:   8px;
    --radius-l: 14px;
    --shadow:   0 1px 2px rgba(47,47,47,.06), 0 4px 14px rgba(47,47,47,.05);
    --shadow-l: 0 8px 30px rgba(47,47,47,.10);

    --container: 1180px;
    --gap: 1.5rem;

    --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-display: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover, a:focus { color: var(--color-primary-d); text-decoration: underline; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--color-text);
    line-height: 1.2;
    margin: 0 0 .6em;
    font-weight: 700;
    letter-spacing: -0.01em;
}
h1 { font-size: clamp(1.9rem, 1.4rem + 2.2vw, 3rem); }
h2 { font-size: clamp(1.45rem, 1.2rem + 1.2vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p  { margin: 0 0 1em; color: var(--color-text-soft); }
strong { color: var(--color-text); }
em { color: var(--color-text); }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.muted { color: var(--color-text-soft); }
.eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .78rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: .9rem;
}

/* Skip link */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--color-primary);
    color: #fff;
    padding: .6rem 1rem;
    z-index: 999;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,.95);
    backdrop-filter: saturate(160%) blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 50;
}
.header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .75rem 0;
}
.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}
.brand-logo {
    height: 44px;
    width: auto;
    object-fit: contain;
}
.primary-nav ul {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    align-items: center;
    gap: 1.4rem;
}
.primary-nav a {
    color: var(--color-text);
    font-weight: 500;
    font-size: .98rem;
    padding: .35rem 0;
    border-bottom: 2px solid transparent;
    text-decoration: none;
}
.primary-nav a:hover, .primary-nav a[aria-current="page"] {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}
.primary-nav a.btn-primary,
.primary-nav a.btn-primary:visited {
    padding: .68rem 1.05rem;
    color: #252525;
    background: var(--color-accent);
    border-bottom-color: transparent;
    border-radius: var(--radius);
    box-shadow: 0 3px 10px rgba(224,166,0,.24);
}
.primary-nav a.btn-primary:hover,
.primary-nav a.btn-primary:focus {
    color: #1f1f1f;
    background: var(--color-accent-h);
    border-bottom-color: transparent;
    text-decoration: none;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--color-border);
    padding: .55rem .65rem;
    border-radius: var(--radius);
    cursor: pointer;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    margin: 4px 0;
    transition: transform .25s ease, opacity .25s ease;
}

@media (max-width: 860px) {
    .nav-toggle { display: inline-block; }
    .primary-nav {
        position: absolute;
        left: 0; right: 0; top: 100%;
        background: #fff;
        border-bottom: 1px solid var(--color-border);
        max-height: 0;
        overflow: hidden;
        transition: max-height .25s ease;
    }
    .primary-nav.is-open { max-height: 600px; }
    .primary-nav ul {
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem 1.25rem 1.25rem;
        gap: .9rem;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    padding: .85rem 1.3rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: .97rem;
    line-height: 1;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
    text-decoration: none;
}
.btn-primary,
.btn-accent {
    background: var(--color-accent);
    color: #252525;
    border-color: var(--color-accent);
    box-shadow: 0 6px 16px rgba(224,166,0,.22);
}
.btn-primary:hover,
.btn-primary:focus,
.btn-accent:hover,
.btn-accent:focus {
    background: var(--color-accent-h);
    color: #1f1f1f;
    border-color: var(--color-accent-h);
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(224,166,0,.28);
}
.btn-ghost { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-ghost:hover { background: var(--color-accent); border-color: var(--color-accent); color: #252525; text-decoration: none; }
.btn-sm { padding: .6rem .95rem; font-size: .9rem; }

/* Sections */
.section { padding: 4.5rem 0; }
.section-tight { padding: 3rem 0; }
.section-bg { background: var(--color-surface-2); }
.section-dark {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-d) 100%);
    color: #eaf1f8;
}
.section-dark h1, .section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: #c5d3e0; }

/* Hero */
.hero {
    position: relative;
    padding: 3.5rem 0 4rem;
    background:
        radial-gradient(1200px 380px at 80% -10%, rgba(242,180,0,.18), transparent 60%),
        linear-gradient(180deg, #fbfaf6 0%, #f4f2ec 100%);
    border-bottom: 1px solid var(--color-border);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}
.hero h1 { margin-bottom: 1rem; }
.hero p.lead {
    font-size: 1.1rem;
    color: var(--color-text-soft);
    margin-bottom: 1.6rem;
    max-width: 60ch;
}
.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; }
.hero-figure {
    min-height: clamp(360px, 35vw, 520px);
}
.hero-figure img {
    width: 100%;
    height: 100%;
    min-height: clamp(360px, 35vw, 520px);
    object-fit: cover;
    object-position: center center;
    border-radius: var(--radius-l);
    box-shadow: var(--shadow-l);
}
.hero-trust {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    font-size: .9rem;
    color: var(--color-text-soft);
}
.hero-trust strong { color: var(--color-text); display: block; font-size: 1.4rem; line-height: 1; margin-bottom: .25rem; }

@media (max-width: 860px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero { padding: 2.5rem 0 3rem; }
    .hero-figure,
    .hero-figure img {
        min-height: 280px;
    }
}

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-l);
    padding: 1.5rem;
    transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: var(--shadow-l); transform: translateY(-2px); }
.card h3 { margin-bottom: .5rem; }
.card .num {
    display: inline-block;
    width: 36px; height: 36px;
    line-height: 36px;
    text-align: center;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    font-family: var(--font-display);
    margin-bottom: .9rem;
}

/* Two columns */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}
.two-col img { border-radius: var(--radius-l); box-shadow: var(--shadow); }
@media (max-width: 860px) {
    .two-col { grid-template-columns: 1fr; }
}

/* Feature list */
.feature-list { list-style: none; margin: 0; padding: 0; }
.feature-list li {
    position: relative;
    padding: .55rem 0 .55rem 1.6rem;
    color: var(--color-text-soft);
}
.feature-list li::before {
    content: "";
    position: absolute;
    left: 0; top: .9rem;
    width: 10px; height: 10px;
    border-radius: 2px;
    background: var(--color-accent);
    transform: rotate(45deg);
}

/* Zone grid */
.zone-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: .75rem;
}
.zone-grid a {
    display: block;
    padding: .9rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-weight: 500;
    transition: all .2s ease;
}
.zone-grid a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1px);
    text-decoration: none;
}

/* FAQ */
.faq details {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    padding: 1rem 1.25rem;
    margin-bottom: .75rem;
}
.faq summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text);
    list-style: none;
    position: relative;
    padding-right: 2rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+";
    position: absolute;
    right: 0; top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    color: var(--color-primary);
    font-weight: 400;
    line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq details > p { margin-top: .8rem; }

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-d));
    color: #fff;
    border-radius: var(--radius-l);
    padding: 2.25rem 2rem;
    display: grid;
    grid-template-columns: 1.5fr auto;
    align-items: center;
    gap: 1.5rem;
}
.cta-banner h2 { color: #fff; margin-bottom: .35rem; }
.cta-banner p { color: #c5d3e0; margin: 0; }
@media (max-width: 720px) {
    .cta-banner { grid-template-columns: 1fr; text-align: center; }
}

/* Form */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.25rem;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }
.form label {
    display: block;
    font-weight: 600;
    font-size: .9rem;
    margin-bottom: .35rem;
    color: var(--color-text);
}
.form input, .form select, .form textarea {
    width: 100%;
    font: inherit;
    color: var(--color-text);
    padding: .75rem .9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #fff;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.form input:focus, .form select:focus, .form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(13,59,102,.12);
}
.form textarea { resize: vertical; min-height: 140px; }
.form .checkbox {
    display: flex;
    align-items: flex-start;
    gap: .65rem;
    font-size: .9rem;
    color: var(--color-text-soft);
}
.form .checkbox input { width: auto; margin-top: .2rem; }
.honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.alert {
    padding: 1rem 1.1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
    font-size: .95rem;
}
.alert-success { background: #e7f4e8; color: #1d4d23; border-color: #b8dabb; }
.alert-error   { background: #fdecea; color: #7a1f19; border-color: #f3c2bd; }

/* Breadcrumbs */
.breadcrumbs {
    font-size: .88rem;
    color: var(--color-text-faint);
    margin-bottom: 1.5rem;
}
.breadcrumbs a { color: var(--color-text-soft); }
.breadcrumbs span[aria-current] { color: var(--color-text); font-weight: 500; }

/* Blog */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.post-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-l);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .2s ease, box-shadow .2s ease;
}
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-l); }
.post-card .post-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-surface-2);
}
.post-card .post-img img { width: 100%; height: 100%; object-fit: cover; }
.post-card .post-body { padding: 1.4rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.post-card h3 { font-size: 1.15rem; margin-bottom: .35rem; }
.post-card h3 a { color: var(--color-text); }
.post-card h3 a:hover { color: var(--color-primary); text-decoration: none; }
.post-card .post-meta { font-size: .82rem; color: var(--color-text-faint); margin-bottom: .9rem; }
.post-card .post-excerpt { color: var(--color-text-soft); flex: 1; margin-bottom: 1.1rem; }

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: .5rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}
.pagination a, .pagination span {
    display: inline-block;
    padding: .55rem .85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-soft);
    font-size: .9rem;
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }
.pagination .current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Article */
.article-content { max-width: 760px; margin: 0 auto; font-size: 1.05rem; }
.article-content h2 { margin-top: 2rem; }
.article-content h3 { margin-top: 1.4rem; }
.article-content p { color: var(--color-text); }
.article-content ul, .article-content ol { color: var(--color-text); padding-left: 1.4rem; }
.article-content li { margin-bottom: .35rem; }
.article-hero {
    aspect-ratio: 21 / 9;
    overflow: hidden;
    border-radius: var(--radius-l);
    margin-bottom: 2rem;
}
.article-hero img { width: 100%; height: 100%; object-fit: cover; }

/* Footer */
.site-footer {
    background: #0a1a2c;
    color: #d2dde9;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}
.site-footer a { color: #d2dde9; }
.site-footer a:hover { color: var(--color-accent); text-decoration: none; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 2rem;
}
@media (max-width: 860px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
    .footer-grid { grid-template-columns: 1fr; }
}
.footer-title {
    color: #fff;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 1rem;
}
.site-footer p, .site-footer address { color: #a4b4c4; font-size: .92rem; }
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li { margin-bottom: .55rem; font-size: .92rem; }
.footer-zones li a { font-size: .87rem; }
.footer-bottom {
    margin-top: 2.5rem;
    padding-top: 1.2rem;
    border-top: 1px solid #1f2f44;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    color: #92a3b6;
}
.footer-cookie-link {
    appearance: none;
    border: 0;
    padding: 0;
    background: transparent;
    color: #d2dde9;
    font: inherit;
    cursor: pointer;
}
.footer-cookie-link:hover,
.footer-cookie-link:focus {
    color: var(--color-accent);
    text-decoration: none;
}

/* Legal pages */
.legal-container { max-width: 860px; }
.legal-page h2 { margin-top: 2rem; }
.legal-page h3 { margin-top: 1.4rem; }
.legal-page ul { color: var(--color-text); padding-left: 1.35rem; }
.legal-page li { margin-bottom: .45rem; }
.table-wrap {
    overflow-x: auto;
    margin: 1.4rem 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
}
.legal-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 680px;
}
.legal-table th,
.legal-table td {
    padding: .9rem 1rem;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    vertical-align: top;
}
.legal-table th {
    background: var(--color-surface-2);
    color: var(--color-text);
    font-size: .9rem;
}
.legal-table tr:last-child td { border-bottom: 0; }

/* Cookie banner */
.cookie-banner {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    z-index: 100;
    padding: 1rem max(1rem, env(safe-area-inset-left)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-right));
    background: rgba(47,47,47,.18);
    backdrop-filter: blur(6px);
}
.cookie-banner[hidden],
.cookie-banner.is-hidden { display: none !important; }
.cookie-banner [hidden] { display: none !important; }
.cookie-banner__inner {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: center;
    padding: 1.1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-l);
    background: #fff;
    box-shadow: var(--shadow-l);
}
.cookie-banner__content { min-width: 0; }
.cookie-banner__content p {
    margin-bottom: .35rem;
    font-size: .95rem;
}
.cookie-banner__title {
    color: var(--color-text);
    font-weight: 700;
    font-size: 1.02rem;
}
.cookie-banner__content a {
    display: inline-flex;
    margin-top: .15rem;
    font-weight: 600;
}
.cookie-banner__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: .55rem;
}
.cookie-banner__preferences {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: .85rem 1.25rem;
    padding: .85rem;
    border-radius: var(--radius);
    background: var(--color-surface-2);
}
.cookie-banner__preferences[hidden] { display: none; }
.cookie-check {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    color: var(--color-text);
    font-size: .94rem;
}
.cookie-check input { accent-color: var(--color-accent-d); }
@media (max-width: 760px) {
    .cookie-banner {
        padding: .75rem;
    }
    .cookie-banner__inner {
        grid-template-columns: 1fr;
        max-height: calc(100vh - 1.5rem);
        overflow-y: auto;
        padding: .95rem;
    }
    .cookie-banner__actions {
        justify-content: stretch;
    }
    .cookie-banner__actions .btn {
        width: 100%;
    }
}

/* Helpers */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}