/* ============================================================
   PROGRAMA EJECUTIVO EN GESTIÓN AMBIENTAL — sistema de diseño
   Concepto: "expediente técnico" — la estética de un dossier de
   auditoría normativa: papel técnico, reglas finas, numeración
   de cláusulas, cifras en monoespaciada, y el ciclo PHVA como
   elemento de firma.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,340..600&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* color */
  --ink:        #1E3A2C;   /* fondo oscuro, "tapa del expediente" */
  --ink-soft:    #24462F;
  --paper:       #F2EFE4;   /* papel técnico cálido */
  --paper-dim:   #E7E2D2;
  --paper-line:  rgba(16,32,26,.14);
  --ink-line:    rgba(242,239,228,.16);
  --carbon:      #BE6A22;   /* ámbar — huella de carbono / datos */
  --verify:      #278577;   /* verde-azulado — auditoría / verificación */
  --flag:        #A23E2C;   /* clay rojo — hallazgos / urgencia, uso escaso */
  --ink-text:    #1B241E;
  --paper-text:  #EFEBDD;
  --muted:       #5B6760;

  --serif: 'Fraunces', 'Iowan Old Style', serif;
  --sans:  'Inter', -apple-system, sans-serif;
  --mono:  'IBM Plex Mono', ui-monospace, monospace;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
:focus-visible{ outline:2px solid var(--verify); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

.wrap{ max-width:1180px; margin:0 auto; padding:0 28px; }

h1,h2,h3,h4{ font-family:var(--serif); font-weight:560; letter-spacing:-.01em; margin:0; }
h1{ font-size:clamp(2.4rem,5vw,4.2rem); line-height:1.04; }
h2{ font-size:clamp(1.7rem,3vw,2.5rem); line-height:1.12; }
h3{ font-size:1.3rem; line-height:1.25; }
p{ margin:0 0 1em; color:var(--ink-text); }
.lede{ font-size:1.15rem; color:var(--muted); max-width:56ch; }

.eyebrow{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--carbon); display:flex; align-items:center; gap:.6em; margin-bottom:1em;
}
.eyebrow::before{ content:''; width:22px; height:1px; background:currentColor; display:inline-block; }

.mono{ font-family:var(--mono); }
.num{ font-family:var(--mono); font-variant-numeric:tabular-nums; }

/* ---------- botones ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em; font-family:var(--sans); font-weight:600;
  font-size:.92rem; padding:.85em 1.5em; border-radius:2px; border:1px solid transparent;
  cursor:pointer; transition:transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:var(--carbon); color:#fff; }
.btn-primary:hover{ background:#a75a1b; }
.btn-line{ border-color:currentColor; color:inherit; background:transparent; }
.btn-line:hover{ background:var(--ink-line); }
.btn-ghost-paper{ border-color:var(--paper-line); color:var(--ink-text); }
.btn-ghost-paper:hover{ background:var(--paper-dim); }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:50; background:rgba(242,239,228,.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--paper-line);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; height:78px; gap:24px; }
.brand{ display:flex; align-items:center; gap:12px; min-width:0; }
.brand img{ height:38px; width:auto; }
.brand-text{ font-family:var(--serif); font-size:1rem; font-weight:560; line-height:1.15; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.brand-text small{ display:block; font-family:var(--mono); font-size:.62rem; letter-spacing:.1em; color:var(--muted); text-transform:uppercase; font-weight:400; }

.nav{ display:flex; align-items:center; gap:2px; }
.nav a{
  font-size:.88rem; font-weight:500; padding:.6em .95em; color:var(--ink-text); position:relative;
}
.nav a[aria-current="page"]{ color:var(--verify); }
.nav a[aria-current="page"]::after{
  content:''; position:absolute; left:.95em; right:.95em; bottom:.3em; height:2px; background:var(--verify);
}
.nav a:hover{ color:var(--verify); }
.nav-cta{ margin-left:10px; }
.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink-text); margin:5px 0; }

@media (max-width: 940px){
  .nav{
    position:fixed; inset:78px 0 0 0; background:var(--paper); flex-direction:column; align-items:stretch;
    padding:12px 28px; gap:4px; transform:translateX(100%); transition:transform .25s ease; overflow:auto;
  }
  .nav.open{ transform:translateX(0); }
  .nav a{ padding:.9em 0; border-bottom:1px solid var(--paper-line); }
  .nav-cta{ margin:16px 0 0; }
  .nav-toggle{ display:block; }
}

/* ---------- hero ---------- */
.hero{
  position:relative; overflow:hidden; background:var(--ink); color:var(--paper-text);
  padding:64px 0 96px;
}
.hero-bg{
  position:absolute; inset:-10%; background-image:var(--hero-img);
  background-size:cover; background-position:center 20%; opacity:.62; filter:blur(2px) saturate(105%);
  transform:scale(1.06);
}
.hero-scrim{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(30,58,44,.35) 0%, rgba(30,58,44,.55) 55%, var(--ink) 100%);
}
.hero .wrap{ position:relative; }
.hero-grid{ display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center; }
.hero h1{ color:var(--paper-text); }
.hero .lede{ color:rgba(239,235,221,.78); }
.hero-meta{ display:flex; flex-wrap:wrap; gap:10px 22px; margin-top:1.6em; font-family:var(--mono); font-size:.76rem; color:rgba(239,235,221,.62); letter-spacing:.02em; }
.hero-cta{ display:flex; gap:14px; margin-top:2.1em; flex-wrap:wrap; }
.hero-cta .btn-line{ color:var(--paper-text); border-color:rgba(239,235,221,.4); }
.hero-cta .btn-line:hover{ background:rgba(239,235,221,.1); }

@media (max-width: 860px){ .hero-grid{ grid-template-columns:1fr; } }

/* ---------- ciclo PHVA (elemento de firma) ---------- */
.phva{ position:relative; width:min(340px,100%); aspect-ratio:1; margin:0 auto; }
.phva svg{ width:100%; height:100%; }
.phva-quad{ transform-origin:170px 170px; transition:opacity .3s ease; }
.phva text{ font-family:var(--mono); fill:var(--paper-text); }
.phva .phva-label{ font-size:12.5px; letter-spacing:.06em; }
.phva .phva-center{ font-family:var(--serif); font-size:15px; fill:var(--paper-text); }
.phva-ring{ animation:phva-spin 60s linear infinite; transform-origin:170px 170px; }
@keyframes phva-spin{ to{ transform:rotate(360deg); } }
.phva-ring .phva-tick{ animation:phva-counter 60s linear infinite; transform-origin:170px 170px; }
@keyframes phva-counter{ to{ transform:rotate(-360deg); } }

/* ---------- secciones ---------- */
section{ padding:88px 0; }
.section-tight{ padding:56px 0; }
.on-ink{ background:var(--ink); color:var(--paper-text); }
.on-ink h2, .on-ink h3{ color:var(--paper-text); }
.on-ink p{ color:rgba(239,235,221,.75); }
.on-dim{ background:var(--paper-dim); }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:44px; flex-wrap:wrap; }

hr.rule{ border:none; border-top:1px solid var(--paper-line); margin:0; }
.on-ink hr.rule{ border-top:1px solid var(--ink-line); }

/* ---------- stat strip ---------- */
.stat-strip{ display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--ink-line); border-bottom:1px solid var(--ink-line); }
.stat{ padding:26px 24px; border-left:1px solid var(--ink-line); }
.stat:first-child{ border-left:none; }
.stat .num{ font-size:2.1rem; color:var(--carbon); display:block; }
.stat .lbl{ font-size:.78rem; color:rgba(239,235,221,.6); text-transform:uppercase; letter-spacing:.08em; margin-top:4px; }
@media (max-width:760px){ .stat-strip{ grid-template-columns:1fr 1fr; } .stat{ border-left:none; border-top:1px solid var(--ink-line);} .stat:nth-child(1),.stat:nth-child(2){border-top:none;} }

/* ---------- tarjetas de nivel ---------- */
.niveles{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--paper-line); border:1px solid var(--paper-line); }
.nivel-card{ background:var(--paper); padding:32px 28px 36px; display:flex; flex-direction:column; }
.nivel-card img{ height:150px; width:auto; margin:0 auto 22px; object-fit:contain; }
.nivel-card .eyebrow{ color:var(--verify); }
.nivel-card h3{ margin-bottom:.5em; }
.nivel-card p{ font-size:.94rem; flex-grow:1; }
.nivel-hours{ display:flex; justify-content:space-between; align-items:center; margin-top:1.2em; padding-top:1em; border-top:1px solid var(--paper-line); font-family:var(--mono); font-size:.78rem; color:var(--muted); }
.nivel-card a.nivel-link{ margin-top:1em; font-size:.85rem; font-weight:600; color:var(--verify); }
.nivel-card a.nivel-link:hover{ text-decoration:underline; }
@media (max-width:860px){ .niveles{ grid-template-columns:1fr; } }

/* barras horas teóricas/prácticas (dato real, no decoración) */
.hbar{ display:flex; height:7px; width:100%; margin-top:6px; overflow:hidden; }
.hbar span{ display:block; height:100%; }
.hbar .teo{ background:var(--verify); }
.hbar .pra{ background:var(--carbon); }
.hbar-legend{ display:flex; gap:16px; font-family:var(--mono); font-size:.7rem; color:var(--muted); margin-top:8px; }
.hbar-legend i{ display:inline-block; width:9px; height:9px; margin-right:5px; vertical-align:middle; }
.hbar-legend .teo{ background:var(--verify); }
.hbar-legend .pra{ background:var(--carbon); }

/* ---------- módulos (dossier) ---------- */
.modulo{ border-top:1px solid var(--paper-line); padding:26px 0; display:grid; grid-template-columns:120px 1fr 200px; gap:24px; }
.modulo:last-child{ border-bottom:1px solid var(--paper-line); }
.modulo .clausula{ font-family:var(--mono); font-size:.8rem; color:var(--carbon); }
.modulo h4{ font-family:var(--serif); font-size:1.08rem; margin-bottom:.5em; font-weight:560; }
.modulo ul{ margin:.6em 0 0; padding-left:1.1em; font-size:.9rem; color:var(--muted); }
.modulo li{ margin-bottom:.25em; }
@media (max-width:760px){ .modulo{ grid-template-columns:1fr; } }

.nivel-total{ display:flex; justify-content:space-between; align-items:center; padding:18px 0 0; margin-top:6px; font-family:var(--mono); font-size:.85rem; }
.nivel-total .num{ color:var(--carbon); font-size:1.1rem; }

/* ---------- competencias ---------- */
.competencia{ display:grid; grid-template-columns:64px 1fr; gap:18px; padding:20px 0; border-top:1px solid var(--paper-line); }
.competencia .id{ font-family:var(--mono); font-size:.85rem; color:var(--verify); }
.competencia p{ margin:0; font-size:.95rem; }

/* ---------- listas con check de verificación ---------- */
.check-list{ list-style:none; margin:0; padding:0; display:grid; gap:14px; }
.check-list li{ display:flex; gap:12px; align-items:flex-start; font-size:.95rem; }
.check-list li::before{ content:'✓'; color:var(--verify); font-family:var(--mono); font-weight:600; flex-shrink:0; margin-top:.15em; }

/* ---------- sello / stamp ---------- */
.sello{
  width:168px; height:168px; border-radius:50%; border:2px solid var(--verify);
  display:flex; align-items:center; justify-content:center; text-align:center;
  transform:rotate(-9deg); position:relative; flex-shrink:0;
}
.sello::before{ content:''; position:absolute; inset:10px; border:1px solid var(--verify); border-radius:50%; opacity:.5; }
.sello span{ font-family:var(--mono); font-size:.68rem; letter-spacing:.08em; color:var(--verify); text-transform:uppercase; line-height:1.5; }

/* ---------- FAQ acordeón ---------- */
.faq-item{ border-top:1px solid var(--paper-line); }
.faq-item:last-child{ border-bottom:1px solid var(--paper-line); }
.faq-item summary{
  list-style:none; cursor:pointer; padding:24px 0; display:flex; justify-content:space-between; align-items:center;
  gap:20px; font-family:var(--serif); font-size:1.1rem; font-weight:560;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:'+'; font-family:var(--mono); font-size:1.3rem; color:var(--carbon); flex-shrink:0; transition:transform .2s ease; }
.faq-item[open] summary::after{ transform:rotate(45deg); }
.faq-item .faq-a{ padding:0 0 26px; max-width:68ch; color:var(--muted); }

/* ---------- tarjeta persona ---------- */
.persona{ display:grid; grid-template-columns:200px 1fr; gap:32px; padding:36px 0; border-top:1px solid var(--paper-line); }
.persona .avatar{ width:200px; height:200px; background:var(--paper-dim); border:1px solid var(--paper-line); display:flex; align-items:center; justify-content:center; font-family:var(--serif); font-size:2.4rem; color:var(--verify); overflow:hidden; }
.persona .avatar img{ width:100%; height:100%; object-fit:cover; object-position:top center; }
.persona h3{ margin-bottom:.2em; }
.persona .rol{ font-family:var(--mono); font-size:.78rem; color:var(--carbon); text-transform:uppercase; letter-spacing:.06em; margin-bottom:1em; display:block; }
@media (max-width:700px){ .persona{ grid-template-columns:1fr; } .persona .avatar{ width:120px; height:120px; font-size:1.6rem; } }

/* ---------- instituciones ---------- */
.instituciones{ display:flex; flex-wrap:wrap; gap:14px; margin-top:1.4em; }
.institucion-tag{ border:1px solid var(--paper-line); padding:.6em 1.1em; font-family:var(--mono); font-size:.78rem; letter-spacing:.02em; }
.on-ink .institucion-tag{ border-color:var(--ink-line); }

/* ---------- formulario contacto ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-grid .full{ grid-column:1/-1; }
label{ display:block; font-family:var(--mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); margin-bottom:.5em; }
input, select, textarea{
  width:100%; background:var(--paper); border:1px solid var(--paper-line); padding:.85em 1em; font-family:var(--sans);
  font-size:.95rem; color:var(--ink-text); border-radius:2px;
}
textarea{ resize:vertical; min-height:120px; }
input:focus, select:focus, textarea:focus{ border-color:var(--verify); }
@media (max-width:700px){ .form-grid{ grid-template-columns:1fr; } }

.contact-info{ display:grid; gap:22px; }
.contact-info .item{ border-top:1px solid var(--paper-line); padding-top:18px; }
.contact-info .item .eyebrow{ margin-bottom:.4em; }

/* ---------- banda CTA final ---------- */
.cta-band{ background:var(--verify); color:#fff; text-align:center; }
.cta-band h2{ color:#fff; }
.cta-band .lede{ color:rgba(255,255,255,.82); margin:0 auto; }
.cta-band .btn-primary{ background:var(--ink); }
.cta-band .btn-primary:hover{ background:#000; }
.cta-band .btn-line{ color:#fff; border-color:rgba(255,255,255,.5); }
.cta-band .btn-line:hover{ background:rgba(255,255,255,.12); }

/* ---------- footer ---------- */
.site-footer{ background:var(--ink); color:rgba(239,235,221,.7); padding:64px 0 32px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px; padding-bottom:44px; }
.footer-grid h4{ color:var(--paper-text); font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; font-family:var(--mono); font-weight:500; margin-bottom:1.2em; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:grid; gap:.7em; }
.footer-grid a:hover{ color:var(--paper-text); }
.footer-brand img{ height:34px; margin-bottom:16px; }
.footer-brand p{ font-size:.88rem; max-width:34ch; color:rgba(239,235,221,.6); }
.footer-bottom{ border-top:1px solid var(--ink-line); padding-top:24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-family:var(--mono); font-size:.72rem; color:rgba(239,235,221,.45); }
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr 1fr; } }

/* ---------- utilidades de contenido ---------- */
.prose{ max-width:72ch; }
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:48px; }
@media (max-width:860px){ .two-col{ grid-template-columns:1fr; } }
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

.tag-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:1.4em; }
.tag{ font-family:var(--mono); font-size:.7rem; letter-spacing:.04em; border:1px solid var(--paper-line); padding:.4em .8em; text-transform:uppercase; color:var(--muted); }

.diploma-frame{ border:1px solid var(--paper-line); padding:14px; background:#fff; }
.diploma-frame figcaption{ font-family:var(--mono); font-size:.7rem; color:var(--muted); text-align:center; padding-top:10px; letter-spacing:.04em; text-transform:uppercase; }

.cert-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.cert-card{ border:1px solid var(--paper-line); background:#fff; padding:22px 22px 26px; display:flex; flex-direction:column; }
.cert-card .cert-img{ border:1px solid var(--paper-line); padding:10px; margin:0 auto 20px; background:#fff; }
.cert-card img{ height:170px; width:auto; display:block; margin:0 auto; object-fit:contain; }
.cert-card .eyebrow{ color:var(--verify); }
.cert-card h3{ margin-bottom:.5em; font-size:1.1rem; }
.cert-card p{ font-size:.9rem; color:var(--muted); flex-grow:1; }
@media (max-width:860px){ .cert-grid{ grid-template-columns:1fr; } }