/* ============================================================
   VACACERDO — /sustentabilidad/ — Estilos exclusivos
   ============================================================
   Mismos tokens de marca (fondo negro, Inter, rojo #c43822) con
   acento verde propio para esta sección — es la única landing
   donde el verde tiene sentido temático sin salirse de la marca.
   ============================================================ */

:root {
    --brand-red: #c43822;
    --brand-green: #5a9c6e;
    --bg-dark: #000000;
    --bg-surface: #0a0a0a;
    --border-thin: 1px solid rgba(255, 255, 255, 0.1);
    --text-muted: #888888;
}

body {
    background-color: var(--bg-dark);
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    margin: 0; padding: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.layout-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.module-header {
    font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px;
    color: var(--brand-green); font-weight: 800; margin-bottom: 24px; display: block;
}
.module-lede { color: #888; max-width: 700px; font-size: 1.2rem; margin: -12px 0 50px 0; }

/* ─── HERO ─── */
.hero-module {
    min-height: 75vh; max-height: 700px;
    display: flex; flex-direction: column; justify-content: center;
    padding-top: 110px; padding-bottom: 60px; position: relative;
}
.hero-bg {
    position: absolute; top: 0; left: 50%; width: 100vw; height: 100%; margin-left: -50vw;
    background:
        linear-gradient(180deg, rgba(0,10,5,0.25) 0%, rgba(0,0,0,0.9) 75%, #000000 100%),
        url('https://vacacerdo.cl/assets/img/lena.webp') center 40%/cover no-repeat;
    z-index: -1;
}
.hero-module h1 { font-size: clamp(2.8rem, 6.5vw, 5.5rem); font-weight: 900; line-height: 0.98; letter-spacing: -0.03em; margin: 0 0 24px 0; }
.hero-module h1 span { color: var(--brand-green); display: block; }
.hero-module p { font-size: clamp(1.1rem, 2vw, 1.4rem); color: var(--text-muted); max-width: 720px; margin: 0 0 32px 0; }

.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary-hero {
    background: #ffffff; color: #000; text-decoration: none; padding: 18px 34px;
    font-weight: 800; border-radius: 8px; text-transform: uppercase; letter-spacing: 1px;
    font-size: 0.95rem; transition: background-color .3s, transform .2s;
}
.btn-primary-hero:hover { background-color: #e0e0e0; transform: scale(0.98); }
.btn-ghost-hero {
    border: 1px solid rgba(255,255,255,0.25); color: #fff; text-decoration: none; padding: 18px 34px;
    font-weight: 700; border-radius: 8px; text-transform: uppercase; letter-spacing: 1px;
    font-size: 0.95rem; transition: border-color .3s, background .3s;
}
.btn-ghost-hero:hover { border-color: #25d366; background: rgba(37,211,102,0.08); }

/* ─── PILARES (bento) ─── */
.pilares-module { padding: 100px 0; border-top: var(--border-thin); }
.bento-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.bento-card { background-color: var(--bg-surface); border: var(--border-thin); border-radius: 16px; padding: 40px; transition: transform .4s ease, border-color .4s ease; }
.bento-card:hover { transform: translateY(-5px); border-color: var(--brand-green); }
.bento-indicator { font-size: .75rem; font-weight: 800; letter-spacing: 2px; margin-bottom: 20px; display: block; color: var(--brand-green); }
.bento-card h3 { font-size: 1.5rem; font-weight: 800; margin: 0 0 16px 0; line-height: 1.2; }
.bento-card p { color: var(--text-muted); margin: 0; font-size: 1rem; }

/* ─── DOSSIER CTA (para licitaciones) ─── */
.dossier-module {
    padding: 80px 0; border-top: var(--border-thin);
    background: linear-gradient(180deg, rgba(90,156,110,0.06) 0%, transparent 100%);
}
.dossier-box {
    background-color: var(--bg-surface); border: var(--border-thin); border-radius: 20px;
    padding: 50px; display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap;
}
.dossier-box h3 { font-size: 1.8rem; font-weight: 800; margin: 0 0 10px 0; }
.dossier-box p { color: var(--text-muted); margin: 0; max-width: 480px; }

/* ─── CTA FINAL ─── */
.cta-module { padding: 120px 0 150px; border-top: var(--border-thin); text-align: center; }
.cta-module h2 { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 900; letter-spacing: -2px; line-height: 1; margin: 0 0 24px 0; }
.cta-module p { color: var(--text-muted); font-size: 1.2rem; max-width: 560px; margin: 0 auto 40px auto; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-btn-primary {
    background: #ffffff; color: #000; text-decoration: none; padding: 20px 40px; font-size: 1.05rem;
    font-weight: 800; border-radius: 8px; text-transform: uppercase; letter-spacing: 1px;
    transition: background-color .3s, transform .2s; display: inline-block;
}
.cta-btn-primary:hover { background-color: #e0e0e0; transform: scale(0.98); }
.cta-btn-secondary {
    border: 1px solid rgba(255,255,255,0.25); color: #fff; text-decoration: none; padding: 20px 40px;
    font-size: 1.05rem; font-weight: 700; border-radius: 8px; text-transform: uppercase; letter-spacing: 1px;
    transition: border-color .3s, background .3s; display: inline-block;
}
.cta-btn-secondary:hover { border-color: #25d366; background: rgba(37,211,102,0.08); }

@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1 !important; transform: none !important; } }

@media (max-width: 900px) {
    .bento-grid { grid-template-columns: 1fr; gap: 16px; }
    .dossier-box { flex-direction: column; text-align: center; }
}
@media (max-width: 560px) {
    .hero-ctas, .cta-buttons { flex-direction: column; }
    .btn-primary-hero, .btn-ghost-hero, .cta-btn-primary, .cta-btn-secondary { text-align: center; }
}