:root{
    --bg: #ffffff;
    --ink: #0f172a;
    --muted: #475569;
    --line: rgba(15, 23, 42, 0.10);
  
    /* Green twist (your accent) */
    --accent: #0a7a0a;
    --accent-2: #0f9f0f;
    --accent-soft: rgba(10, 122, 10, 0.10);
  
    /* "Chelsea-ish" clean navy feel, but you keep the green as the pop */
    --navy: #0b1b4a;
    --card: #f8fafc;
  
    --shadow: 0 10px 30px rgba(2, 6, 23, 0.10);
    --radius: 18px;
  }
  
  *{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  body{
    margin:0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
    color: var(--ink);
    background: var(--bg);
    line-height:1.55;
  }
  
  .container{
    width:min(1100px, calc(100% - 40px));
    margin: 0 auto;
    padding: 32px 0 80px;
  }
  
  /* Header + nav */
  .site-header{
    border-bottom: 1px solid var(--line);
    background:
      radial-gradient(1200px 400px at 10% 10%, var(--accent-soft), transparent 60%),
      radial-gradient(900px 300px at 90% 0%, rgba(11, 27, 74, 0.08), transparent 55%),
      #fff;
  }
  
  .nav{
    width:min(1100px, calc(100% - 40px));
    margin:0 auto;
    padding: 18px 0;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 16px;
  }
  
  .nav__brand{
    display:flex;
    align-items:center;
    gap: 12px;
    min-width: 240px;
  }
  .brand-mark{
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background:
      linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 8px 18px rgba(10, 122, 10, 0.25);
  }
  .brand-title{
    font-weight: 800;
    letter-spacing: -0.02em;
  }
  .brand-sub{
    font-size: 12px;
    color: var(--muted);
  }
  
  .nav__toggle{
    display:none;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 12px;
    padding: 10px 12px;
    cursor:pointer;
  }
  
  .nav__links{
    list-style:none;
    display:flex;
    gap: 18px;
    margin:0;
    padding:0;
    align-items:center;
  }
  
  .nav__link{
    text-decoration:none;
    color: var(--navy);
    font-weight: 650;
    padding: 10px 12px;
    border-radius: 12px;
    transition: background 0.2s ease, color 0.2s ease;
  }
  
  .nav__link:hover{
    background: var(--accent-soft);
    color: var(--accent);
  }
  
  .nav__link.is-active{
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 12px 22px rgba(10, 122, 10, 0.22);
  }
  
  /* Hero */
  .hero{
    width:min(1100px, calc(100% - 40px));
    margin: 0 auto;
    padding: 28px 0 44px;
    display:grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 28px;
    align-items:center;
  }
  
  .hero__date{ margin: 0 0 12px; }
  
  .pill{
    display:inline-block;
    font-weight: 750;
    color: #fff;
    background: linear-gradient(135deg, var(--navy), var(--accent));
    padding: 8px 12px;
    border-radius: 999px;
    box-shadow: var(--shadow);
  }
  
  .hero__title{
    margin: 0 0 10px;
    font-size: clamp(34px, 4vw, 54px);
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--navy);
  }
  
  .hero__subtitle{
    margin: 0 0 14px;
    font-size: clamp(18px, 2vw, 22px);
    color: var(--muted);
    font-weight: 650;
  }
  
  .hero__text{
    margin: 0 0 14px;
    color: var(--muted);
    max-width: 60ch;
  }
  
  .hero__cta{
    display:flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
  }

  .hero-images{
    width: min(520px, 100%);
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 14px;
    padding: 14px;
    border-radius: 24px;
    border: 1px solid rgba(15, 23, 42, 0.10);
    background: #fff;
    box-shadow: 0 18px 40px rgba(2, 6, 23, 0.12);
  }
  
  .hero-img{
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 18px;
    border: 1px solid rgba(15, 23, 42, 0.10);
    display: block;
  }
  
  
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap: 10px;
    border-radius: 14px;
    padding: 12px 14px;
    text-decoration:none;
    font-weight: 750;
    border: 1px solid transparent;
    cursor:pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease, color 0.2s ease;
  }
  
  .btn:active{ transform: translateY(1px); }
  
  .btn--primary{
    color:#fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 14px 28px rgba(10, 122, 10, 0.22);
  }
  .btn--primary:hover{ box-shadow: 0 18px 34px rgba(10, 122, 10, 0.28); }
  
  .btn--ghost{
    background: #fff;
    border-color: var(--line);
    color: var(--navy);
  }
  .btn--ghost:hover{
    background: var(--accent-soft);
    border-color: rgba(10, 122, 10, 0.25);
    color: var(--accent);
  }
  
  .btn--small{
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 14px;
  }
  
  .hero__media{
    display:flex;
    justify-content:flex-end;
  }
  
  .hero-card{
    width: min(420px, 100%);
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    overflow:hidden;
  }
  .hero-card__top{
    height: 180px;
    background:
      linear-gradient(135deg, rgba(11, 27, 74, 0.85), rgba(10, 122, 10, 0.75)),
      radial-gradient(400px 200px at 20% 30%, rgba(255,255,255,0.25), transparent 60%);
  }
  .hero-card__body{
    padding: 16px 16px 18px;
    display:grid;
    gap: 10px;
  }
  .stat{
    display:flex;
    justify-content:space-between;
    gap: 14px;
    padding: 10px 12px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
  }
  .stat__label{
    color: var(--muted);
    font-weight: 700;
  }
  .stat__value{
    color: var(--navy);
    font-weight: 800;
  }
  
  /* Sections */
  .section{
    margin-top: 44px;
    padding-top: 12px;
  }
  
  .section__head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 14px;
  }
  
  .section__title{
    margin: 0 0 10px;
    font-size: 28px;
    letter-spacing: -0.02em;
    color: var(--navy);
  }
  
  .section__text{
    margin: 0 0 12px;
    color: var(--muted);
    max-width: 85ch;
  }
  
  .callout{
    border-left: 6px solid var(--accent);
    background: linear-gradient(0deg, var(--accent-soft), rgba(255,255,255,0.4));
    border-radius: 16px;
    padding: 14px 16px;
    margin: 12px 0 16px;
    border: 1px solid rgba(10, 122, 10, 0.18);
  }
  
  /* Projects */
  .section__tools{
    display:flex;
    gap: 10px;
    align-items:center;
    flex-wrap: wrap;
  }
  
  .input{
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 11px 12px;
    min-width: 260px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }
  .input:focus{
    border-color: rgba(10, 122, 10, 0.35);
    box-shadow: 0 0 0 4px rgba(10, 122, 10, 0.12);
  }
  
  .projects{
    list-style:none;
    padding:0;
    margin: 16px 0 0;
    display:grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  
  .project{
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 10px 22px rgba(2, 6, 23, 0.06);
    overflow:hidden;
  }
  
  .project__btn{
    width:100%;
    text-align:left;
    padding: 16px 16px 14px;
    background:
      radial-gradient(500px 140px at 10% 10%, var(--accent-soft), transparent 60%),
      #fff;
    border: none;
    cursor:pointer;
    color: var(--navy);
    font-weight: 850;
    font-size: 16px;
    letter-spacing: -0.01em;
    display:flex;
    flex-direction:column;
    gap: 10px;
    transition: transform 0.15s ease, border-color 0.2s ease, background 0.2s ease;
  }
  
  .project__btn:hover{
    background:
      radial-gradient(500px 140px at 10% 10%, rgba(10, 122, 10, 0.16), transparent 60%),
      #fff;
    transform: translateY(-1px);
  }
  
  .project__meta{
    display:inline-flex;
    width: fit-content;
    font-size: 12px;
    font-weight: 800;
    color: var(--accent);
    background: rgba(10, 122, 10, 0.10);
    border: 1px solid rgba(10, 122, 10, 0.18);
    padding: 6px 10px;
    border-radius: 999px;
  }
  
  /* Modal */
  .modal{
    position: fixed;
    inset: 0;
    display:none;
    z-index: 50;
  }
  .modal.is-open{ display:block; }
  
  .modal__backdrop{
    position:absolute;
    inset:0;
    background: rgba(2, 6, 23, 0.55);
  }
  
  .modal__panel{
    position:relative;
    width: min(620px, calc(100% - 28px));
    margin: 9vh auto;
    background:#fff;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 24px 70px rgba(2, 6, 23, 0.35);
    padding: 16px 16px 18px;
  }
  
  .modal__head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 12px;
  }
  
  .modal__title{
    margin:0;
    color: var(--navy);
    letter-spacing: -0.02em;
  }
  
  .icon-btn{
    border: 1px solid var(--line);
    background:#fff;
    border-radius: 12px;
    padding: 10px 12px;
    cursor:pointer;
  }
  .icon-btn:hover{
    background: var(--accent-soft);
    border-color: rgba(10, 122, 10, 0.2);
  }
  
  .modal__url{
    margin: 10px 0 16px;
    color: var(--muted);
    font-size: 14px;
    word-break: break-all;
  }
  
  .modal__actions{
    display:flex;
    gap: 10px;
    flex-wrap: wrap;
  }
  
  .toast{
    margin: 12px 0 0;
    min-height: 18px;
    color: var(--accent);
    font-weight: 750;
  }

  /* =============================================
     RETO 2026 — Hero callout
     ============================================= */
  .reto-hero-callout {
    background: linear-gradient(135deg, var(--navy) 0%, #0f2a6e 60%, rgba(10,122,10,0.85) 100%);
    border-radius: 20px;
    padding: 28px 28px 24px;
    margin-bottom: 24px;
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .reto-hero-callout::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(600px 300px at 80% 120%, rgba(10,122,10,0.35), transparent 60%);
    pointer-events: none;
  }

  .reto-hero-callout__eyebrow {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
    margin-bottom: 8px;
  }

  .reto-hero-callout__title {
    margin: 0 0 14px;
    font-size: clamp(20px, 3vw, 28px);
    letter-spacing: -0.02em;
    color: #fff;
    line-height: 1.15;
  }

  .reto-hero-callout__question {
    font-size: clamp(15px, 1.8vw, 17px);
    color: rgba(255,255,255,0.92);
    margin: 0 0 10px;
    line-height: 1.5;
  }

  .reto-hero-callout__sub {
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    margin: 0;
    max-width: 75ch;
    line-height: 1.6;
  }

  /* =============================================
     RETO 2026 — Accordion
     ============================================= */
  .reto-accordion {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
  }

  .reto-item {
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(2, 6, 23, 0.05);
    transition: box-shadow 0.2s ease;
  }

  .reto-item:has(.reto-item__btn[aria-expanded="true"]) {
    border-color: rgba(10, 122, 10, 0.25);
    box-shadow: 0 8px 24px rgba(10, 122, 10, 0.10);
  }

  .reto-item__btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--navy);
    font-size: 15px;
    font-weight: 750;
    transition: background 0.15s ease;
  }

  .reto-item__btn:hover {
    background: var(--accent-soft);
  }

  .reto-item__btn[aria-expanded="true"] {
    background: linear-gradient(90deg, var(--accent-soft), transparent);
  }

  .reto-item__num {
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.08em;
    color: var(--accent);
    background: rgba(10, 122, 10, 0.10);
    border: 1px solid rgba(10, 122, 10, 0.18);
    padding: 4px 8px;
    border-radius: 8px;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
  }

  .reto-item__label {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .reto-item__optional {
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    background: rgba(71, 85, 105, 0.10);
    border: 1px solid rgba(71, 85, 105, 0.15);
    padding: 3px 7px;
    border-radius: 6px;
  }

  .reto-item__chevron {
    font-size: 20px;
    color: var(--muted);
    transition: transform 0.25s ease;
    flex-shrink: 0;
    line-height: 1;
  }

  .reto-item__btn[aria-expanded="true"] .reto-item__chevron {
    transform: rotate(90deg);
    color: var(--accent);
  }

  .reto-item__body {
    padding: 0 18px 18px 18px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.65;
    animation: reto-slide-in 0.2s ease;
  }

  .reto-item__body p {
    margin: 0 0 10px;
  }

  .reto-item__body p:last-child {
    margin-bottom: 0;
  }

  @keyframes reto-slide-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* Blockquote inside accordion */
  .reto-quote {
    border-left: 4px solid var(--accent);
    margin: 12px 0 4px;
    padding: 10px 14px;
    border-radius: 0 12px 12px 0;
    background: var(--accent-soft);
    color: var(--navy);
    font-style: italic;
    font-size: 14px;
    line-height: 1.6;
  }

  /* Lists inside accordion */
  .reto-list {
    margin: 8px 0 10px 0;
    padding-left: 18px;
    display: flex;
    flex-direction: column;
    gap: 5px;
  }

  .reto-list li {
    color: var(--muted);
    font-size: 14px;
  }

  /* Subgrid for section 5 */
  .reto-subgrid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 4px;
  }

  .reto-subcard {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px 14px 12px;
  }

  .reto-subcard__title {
    font-size: 13px;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
  }

  .reto-subcard--highlight {
  border-color: var(--color-primary); /* o el verde/navy que uses */
  background: color-mix(in srgb, var(--color-primary) 6%, transparent);
}

  .reto-subcard__sub {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 10px 0 4px;
  }

  /* Principle callout */
  .reto-principle {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: linear-gradient(135deg, rgba(11,27,74,0.05), rgba(10,122,10,0.06));
    border: 1px solid rgba(10, 122, 10, 0.20);
    border-radius: 16px;
    padding: 16px 18px;
    margin-bottom: 20px;
  }

  .reto-principle__icon {
    font-size: 28px;
    flex-shrink: 0;
    margin-top: 2px;
  }

  .reto-principle__label {
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 6px;
  }

  .reto-principle__text {
    margin: 0;
    color: var(--navy);
    font-size: 15px;
    line-height: 1.6;
  }
  
  /* Responsive */
  @media (max-width: 900px){
    .hero{ grid-template-columns: 1fr; }
    .hero__media{ justify-content:flex-start; }
    .projects{ grid-template-columns: 1fr; }
    .reto-subgrid{ grid-template-columns: 1fr; }
  }
  
  @media (max-width: 720px){
    .nav__toggle{ display:inline-flex; }
    .nav__links{
      display:none;
      width:100%;
      flex-direction:column;
      align-items:stretch;
      gap: 8px;
      padding: 12px 0 0;
    }
    .nav__links.is-open{ display:flex; }
    .nav{ flex-wrap: wrap; }
    .nav__brand{ min-width: auto; }
    .reto-hero-callout { padding: 20px 16px 18px; }
    .reto-item__btn { padding: 14px; }
    .reto-item__body { padding: 0 14px 16px; }
  }
  
  .nav__logos{
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .nav__logo{
    height: 38px;
    width: auto;
    object-fit: contain;
    padding: 4px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.10);
  }
.site-footer-legal {
  border-top: 1px solid var(--line);
  padding: 20px 0;
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.site-footer-legal p {
  margin: 2px 0;
}