/* ============================================================
   GGiV · Sistema de diseño (identidad Agro-Metano)
   Paleta: verde/tierra/oro/crema · Source Serif Pro + Inter
   ============================================================ */

:root, [data-theme="light"]{
  /* Type scale fluida */
  --text-xs: clamp(0.75rem,0.7rem + 0.25vw,0.875rem);
  --text-sm: clamp(0.875rem,0.8rem + 0.35vw,1rem);
  --text-base: clamp(1rem,0.95rem + 0.25vw,1.125rem);
  --text-lg: clamp(1.125rem,1rem + 0.75vw,1.5rem);
  --text-xl: clamp(1.5rem,1.2rem + 1.25vw,2.25rem);
  --text-2xl: clamp(2rem,1.2rem + 2.5vw,3.5rem);
  --text-3xl: clamp(2.5rem,1rem + 4vw,4.5rem);
  /* Spacing */
  --space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;
  --space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;
  --space-20:5rem;--space-24:6rem;--space-32:8rem;
  /* Colores GGiV — claro */
  --verde:#1f6b3a; --verde-osc:#13452a; --verde-cl:#5a8f3a;
  --tierra:#b08545; --tierra-osc:#8a6d2f; --oro:#c8a24a; --crema:#f6f1e6; --azul:#2e6f95;
  --color-bg:#ffffff;
  --color-surface:#faf8f3;
  --color-surface-2:#f6f1e6;
  --color-border:#e4ded2;
  --color-text:#1f2421;
  --color-text-muted:#5a5a52;
  --color-text-faint:#8f8d84;
  --color-primary:var(--verde);
  --color-primary-hover:var(--verde-osc);
  --color-accent:var(--oro);
  --radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.85rem;--radius-xl:1.15rem;--radius-full:9999px;
  --content-narrow:680px;--content-default:1000px;--content-wide:1240px;
  --shadow-sm:0 1px 3px rgba(19,69,42,.06);
  --shadow-md:0 6px 20px rgba(19,69,42,.09);
  --shadow-lg:0 18px 48px rgba(19,69,42,.14);
  --transition:200ms cubic-bezier(.16,1,.3,1);
  --font-display:"Source Serif 4","Source Serif Pro",Georgia,serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
[data-theme="dark"]{
  --color-bg:#12100d;
  --color-surface:#1a1712;
  --color-surface-2:#221e17;
  --color-border:#332d24;
  --color-text:#ece7dc;
  --color-text-muted:#a8a297;
  --color-text-faint:#6f6a5f;
  --color-primary:#4f9e63;
  --color-primary-hover:#63b578;
  --color-accent:#d9b45e;
  --crema:#221e17;
  --shadow-sm:0 1px 3px rgba(0,0,0,.4);
  --shadow-md:0 6px 20px rgba(0,0,0,.45);
  --shadow-lg:0 18px 48px rgba(0,0,0,.55);
}

/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth;scroll-padding-top:5rem}
body{min-height:100dvh;line-height:1.65;font-family:var(--font-body);font-size:var(--text-base);color:var(--color-text);background:var(--color-bg);transition:background .3s,color .3s}
img,svg,video{display:block;max-width:100%;height:auto}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.15;text-wrap:balance;color:var(--verde-osc)}
[data-theme="dark"] h1,[data-theme="dark"] h2,[data-theme="dark"] h3,[data-theme="dark"] h4{color:var(--color-text)}
p{text-wrap:pretty}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
button{cursor:pointer;background:none;border:none;font:inherit;color:inherit;transition:all var(--transition)}
ul{list-style:none}
::selection{background:rgba(200,162,74,.3)}
:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:var(--radius-sm)}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* ===== Layout helpers ===== */
.container{max-width:var(--content-wide);margin-inline:auto;padding-inline:clamp(1.25rem,4vw,3rem)}
.narrow{max-width:var(--content-narrow)}
.default{max-width:var(--content-default)}
section{padding-block:clamp(3.5rem,7vw,7rem)}
.eyebrow{font-size:var(--text-xs);letter-spacing:.18em;text-transform:uppercase;color:var(--tierra);font-weight:700;margin-bottom:.9rem;display:block}
[data-theme="dark"] .eyebrow{color:var(--oro)}
.lead{font-size:var(--text-lg);color:var(--color-text-muted);max-width:60ch}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in oklab,var(--color-bg) 90%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding-block:.7rem}
.brand{display:flex;align-items:center;gap:.7rem}
.brand-logo{height:38px;width:auto;border-radius:7px;display:block;flex-shrink:0}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:.92rem;line-height:1.05;color:var(--verde-osc);letter-spacing:-.01em}
[data-theme="dark"] .brand-name{color:var(--color-text)}
.brand svg{flex-shrink:0}
@media(max-width:600px){.brand-name{display:none}}
.nav-links{display:flex;align-items:center;gap:1.4rem}
.nav-links a{font-size:var(--text-sm);color:var(--color-text-muted);font-weight:500;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--color-primary)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-.4rem;height:2px;background:var(--oro);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:.9rem}
.lang-switch{font-size:var(--text-xs);font-weight:700;letter-spacing:.05em;color:var(--color-text-faint);border:1px solid var(--color-border);border-radius:var(--radius-full);padding:.3rem .7rem}
.lang-switch b{color:var(--color-primary)}
.theme-toggle{width:38px;height:38px;display:grid;place-items:center;border-radius:var(--radius-full);color:var(--color-text-muted)}
.theme-toggle:hover{background:var(--color-surface-2);color:var(--color-primary)}
.burger{display:none;width:38px;height:38px;place-items:center;color:var(--color-text)}

/* ===== Botones ===== */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--text-sm);font-weight:600;padding:.8rem 1.5rem;border-radius:var(--radius-full);transition:all var(--transition)}
.btn-primary{background:var(--color-primary);color:#fff}
.btn-primary:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-ghost{border:1.5px solid var(--color-border);color:var(--color-text)}
.btn-ghost:hover{border-color:var(--color-primary);color:var(--color-primary)}
.btn-gold{background:var(--oro);color:var(--verde-osc)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}

/* ===== Hero ===== */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,var(--verde-osc),var(--verde) 65%,var(--verde-cl))}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(200,162,74,.18),transparent 55%);pointer-events:none}
.hero .container{position:relative;z-index:2;color:#fff}
.hero h1{color:#fff;font-size:var(--text-3xl);max-width:16ch;margin-bottom:1.3rem}
.hero .eyebrow{color:var(--oro)}
.hero p{font-size:var(--text-lg);max-width:52ch;opacity:.94;margin-bottom:2rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-page{min-height:44vh}
.hero-page h1{font-size:var(--text-2xl)}

/* ===== Cifras / stats ===== */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:3rem}
.stat{background:color-mix(in oklab,#fff 12%,transparent);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:1.5rem}
.stat .num{font-family:var(--font-display);font-size:var(--text-2xl);color:var(--oro);font-weight:700;line-height:1}
.stat .lbl{font-size:var(--text-xs);opacity:.85;margin-top:.5rem}
.stat .src{font-size:.68rem;opacity:.6;margin-top:.4rem}

/* Stats en fondo claro */
.stats-light{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1.5rem}
.stats-light .stat{background:var(--color-surface);border:1px solid var(--color-border)}
.stats-light .stat .num{color:var(--color-primary)}
.stats-light .stat .lbl{color:var(--color-text-muted)}
.stats-light .stat .src{color:var(--color-text-faint)}

/* ===== Cards / grids ===== */
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem}
.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.8rem;transition:all var(--transition)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:color-mix(in oklab,var(--color-primary) 40%,var(--color-border))}
.card .ic{width:48px;height:48px;color:var(--color-primary);margin-bottom:1rem}
.card h3{font-size:var(--text-lg);margin-bottom:.6rem}
.card p{font-size:var(--text-sm);color:var(--color-text-muted)}

/* Card destacada (oro) */
.card-feature{border-top:3px solid var(--oro)}

/* ===== Split section ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.split img,.split .visual{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%}
.section-alt{background:var(--color-surface)}
.section-dark{background:var(--verde-osc);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark .eyebrow{color:var(--oro)}
.section-dark .lead{color:rgba(255,255,255,.85)}

/* ===== Section header ===== */
.sec-head{max-width:60ch;margin-bottom:3rem}
.sec-head h2{font-size:var(--text-xl);margin-bottom:1rem}
.sec-head.center{margin-inline:auto;text-align:center}

/* ===== Lista con check ===== */
.checklist{display:grid;gap:.9rem}
.checklist li{display:flex;gap:.75rem;align-items:flex-start;font-size:var(--text-sm)}
.checklist svg{flex-shrink:0;color:var(--color-primary);margin-top:2px}

/* ===== Tabla ===== */
.tbl{width:100%;border-collapse:collapse;font-size:var(--text-sm);margin-top:1.5rem}
.tbl th,.tbl td{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--color-border)}
.tbl th{background:var(--color-surface-2);color:var(--verde-osc);font-weight:700;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em}
[data-theme="dark"] .tbl th{color:var(--oro)}
.tbl tr:hover td{background:var(--color-surface)}

/* ===== Logos alianzas ===== */
.logos-row{display:flex;flex-wrap:wrap;gap:2.5rem;align-items:center;justify-content:center;margin-top:2rem}
.logos-row img{height:52px;width:auto;filter:grayscale(.2);opacity:.9;transition:all var(--transition)}
.logos-row img:hover{filter:none;opacity:1}
[data-theme="dark"] .logos-row img{background:#fff;padding:.5rem;border-radius:var(--radius-sm)}

/* ===== CTA banda ===== */
.cta-band{background:linear-gradient(120deg,var(--verde-osc),var(--verde));color:#fff;text-align:center;border-radius:var(--radius-xl);padding:clamp(2.5rem,5vw,4rem)}
.cta-band h2{color:#fff;font-size:var(--text-xl);margin-bottom:1rem}
.cta-band p{opacity:.9;max-width:50ch;margin:0 auto 1.8rem}

/* ===== Footer ===== */
.site-footer{background:var(--verde-osc);color:rgba(255,255,255,.8);padding-block:3.5rem 2rem;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2.5rem;margin-bottom:2.5rem}
.site-footer h4{color:#fff;font-size:var(--text-sm);margin-bottom:1rem;font-family:var(--font-body);font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.site-footer a{color:rgba(255,255,255,.75);font-size:var(--text-sm);display:block;margin-bottom:.6rem}
.site-footer a:hover{color:var(--oro)}
.footer-logo{width:180px;height:auto;border-radius:12px;display:block;margin-bottom:1.5rem;box-shadow:0 4px 20px rgba(0,0,0,.15)}
.footer-claim{font-family:var(--font-display);color:var(--oro);font-size:var(--text-lg);margin-bottom:1rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:1.5rem;font-size:var(--text-xs);opacity:.7;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}

/* ===== Source note ===== */
.source-note{font-size:var(--text-xs);color:var(--color-text-faint);margin-top:1rem}
.source-note a{color:var(--color-primary);text-decoration:underline}

/* ===== Diagram wrap ===== */
.diagram-box{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;overflow-x:auto}

/* ===== Reveal on scroll ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media (max-width:860px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--color-bg);border-bottom:1px solid var(--color-border);padding:1.5rem;gap:1.2rem}
  .nav-links.open{display:flex}
  .burger{display:grid}
  .split{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:var(--text-2xl)}
}

/* FAQ / acordeón (9 preocupaciones) */
.faq{display:grid;gap:.6rem;max-width:820px}
.faq details{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:border-color .2s}
.faq details[open]{border-color:var(--color-primary)}
.faq summary{cursor:pointer;padding:.9rem 1.2rem;font-weight:600;color:var(--color-primary);list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:var(--text-base)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--oro);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 1.2rem 1rem;margin:0;color:var(--color-text-muted);font-size:var(--text-sm);max-width:none}

/* Flujo de 4 pasos (ciclo Agro-Metano) */
.flow-4{display:flex;align-items:stretch;gap:.5rem;flex-wrap:wrap;justify-content:center}
.flow-step{flex:1 1 180px;min-width:170px;background:var(--color-surface);border:1px solid var(--color-border);border-top:3px solid var(--color-primary);border-radius:var(--radius-md);padding:1.4rem 1.1rem;text-align:center}
.flow-step .flow-n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--color-primary);color:#fff;font-family:var(--font-display);font-weight:700;margin-bottom:.7rem}
.flow-step h3{font-size:var(--text-base);margin:0 0 .4rem}
.flow-step p{font-size:var(--text-sm);color:var(--color-text-muted);margin:0;max-width:none}
.flow-arrow{display:flex;align-items:center;color:var(--oro);font-size:1.6rem;font-weight:700}
@media(max-width:760px){.flow-arrow{transform:rotate(90deg);justify-content:center;width:100%}}

/* Franja de confianza */
.trust-strip{padding:2.5rem 0;border-bottom:1px solid var(--color-border);background:var(--color-surface)}
.trust-lead{text-align:center;font-size:var(--text-sm);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:1.4rem}
.trust-logos{display:flex;flex-wrap:wrap;justify-content:center;gap:1.2rem 2.4rem;align-items:center}
.trust-logos span{font-family:var(--font-display);font-weight:600;font-size:1.15rem;color:var(--color-text-faint);opacity:.8;letter-spacing:.01em}

/* Imagen candidata (preview del moodboard) */
.img-cand{position:relative;display:block;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--color-border);background:var(--color-surface-2);text-decoration:none;color:inherit;transition:box-shadow .25s,transform .25s}
.img-cand:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.img-cand img{width:100%;height:100%;object-fit:cover;display:block;aspect-ratio:16/10}
.img-cand .img-tag{position:absolute;top:.6rem;left:.6rem;background:rgba(19,69,42,.92);color:#fff;font-size:.68rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:.3rem .6rem;border-radius:100px}
.img-cand .img-foot{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.78));color:#fff;padding:1.6rem .8rem .6rem;font-size:.72rem;display:flex;justify-content:space-between;align-items:end;gap:.5rem}
.img-cand .img-foot b{font-weight:600}
.img-cand .img-cta{color:var(--oro);font-weight:600;white-space:nowrap}
.img-note{font-size:var(--text-xs);color:var(--color-text-faint);margin-top:.5rem}

/* Elección de imagen: protagonista + alternativas */
.img-choose{display:grid;grid-template-columns:2fr 1fr;gap:1rem;align-items:stretch}
.img-cand-lg img{aspect-ratio:16/9}
.img-alts{display:grid;grid-template-rows:1fr 1fr;gap:1rem}
.img-cand-sm img{aspect-ratio:16/10}
.img-cand-sm .img-foot{font-size:.66rem;padding:1.2rem .6rem .5rem}
@media(max-width:760px){.img-choose{grid-template-columns:1fr}.img-alts{grid-template-rows:none;grid-template-columns:1fr 1fr}}

/* Hero con imagen de fondo */
.hero-img{background:var(--verde-osc)}
.hero-img .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
/* Overlay: oscurece a la izquierda (legibilidad del texto) y deja ver la imagen a la derecha */
.hero-img::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(19,69,42,.86) 0%,rgba(19,69,42,.62) 42%,rgba(19,69,42,.20) 72%,rgba(19,69,42,.05) 100%)}
.hero-img::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(to top,rgba(19,69,42,.35),transparent 45%);pointer-events:none}
.hero-img .container{z-index:2}

/* Banda de imagen de ancho completo */
.img-band{position:relative;height:clamp(260px,38vw,440px);background-size:cover;background-position:center;display:flex;align-items:flex-end;overflow:hidden}
.img-band::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 40%,rgba(19,69,42,.55))}
.img-band .band-cap{position:relative;z-index:2;color:#fff;padding:1.5rem;font-size:var(--text-sm);max-width:1200px;margin:0 auto;width:100%}
.img-band .band-cap b{font-family:var(--font-display);font-size:var(--text-lg);display:block;margin-bottom:.2rem}

/* Imagen junto a texto (split) */
.img-side{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;background-size:cover;background-position:center;min-height:280px}
.img-credit{font-size:var(--text-xs);color:var(--color-text-faint);margin-top:.4rem;font-style:italic}

/* Equipo · fichas con foto y CV */
.equipo .persona{text-align:center;display:flex;flex-direction:column;align-items:center}
.persona-foto{width:130px;height:130px;border-radius:50%;object-fit:cover;margin-bottom:1.1rem;border:3px solid var(--color-surface-2)}
.persona h3{font-size:var(--text-lg);margin:0 0 .2rem}
.persona-cargo{font-weight:600;color:var(--color-primary);font-size:var(--text-sm)}
.persona-form{font-size:var(--text-xs);color:var(--color-text-faint);text-transform:uppercase;letter-spacing:.04em;margin-bottom:.9rem}
.persona-bio{font-size:var(--text-sm);color:var(--color-text-muted);max-width:none;text-align:left;line-height:1.55}

/* ===== Cookie consent banner ===== */
#ggiv-cookie-banner{
  position:fixed;
  bottom:1rem;
  left:1rem;
  right:1rem;
  max-width:1200px;
  margin-inline:auto;
  background:var(--verde-osc);
  color:#fff;
  border-radius:var(--radius-lg);
  box-shadow:0 10px 40px rgba(0,0,0,.3);
  z-index:9999;
  padding:1.5rem;
  border:1px solid rgba(200,162,74,.35);
  animation:ggivCcSlideUp .3s ease-out;
}
@keyframes ggivCcSlideUp{
  from{opacity:0;transform:translateY(20px);}
  to{opacity:1;transform:translateY(0);}
}
.ggiv-cc-inner{
  display:grid;
  grid-template-columns:1fr auto;
  gap:1.5rem;
  align-items:center;
}
.ggiv-cc-title{
  font-family:var(--font-display);
  color:var(--oro);
  font-size:var(--text-base);
  margin:0 0 .5rem;
}
.ggiv-cc-body{
  font-size:var(--text-sm);
  line-height:1.5;
  margin:0;
  opacity:.92;
}
.ggiv-cc-body a{
  color:var(--oro);
  text-decoration:underline;
}
.ggiv-cc-actions{
  display:flex;
  gap:.75rem;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.ggiv-cc-btn{
  font-family:var(--font-body);
  font-size:var(--text-sm);
  font-weight:600;
  padding:.7rem 1.2rem;
  border-radius:var(--radius-md);
  cursor:pointer;
  border:1px solid transparent;
  transition:background .15s,border-color .15s;
  white-space:nowrap;
}
.ggiv-cc-btn-accept{
  background:var(--oro);
  color:var(--verde-osc);
}
.ggiv-cc-btn-accept:hover{
  background:#d9b458;
}
.ggiv-cc-btn-reject{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.35);
}
.ggiv-cc-btn-reject:hover{
  border-color:var(--oro);
  color:var(--oro);
}
@media(max-width:720px){
  .ggiv-cc-inner{
    grid-template-columns:1fr;
    gap:1rem;
  }
  .ggiv-cc-actions{
    justify-content:stretch;
  }
  .ggiv-cc-btn{
    flex:1;
    text-align:center;
  }
  #ggiv-cookie-banner{
    bottom:0;
    left:0;
    right:0;
    border-radius:var(--radius-lg) var(--radius-lg) 0 0;
    padding:1.2rem;
  }
}