/* ============================================
   sistemasortiz.com — Juan Manuel Ortiz León
   Paleta: #041023 · #3DA5F5 · #054579
   ============================================ */

:root{
  --bg:#041023;
  --bg-alt:#071A30;
  --card:#0B1F3C;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.14);
  --accent:#3DA5F5;
  --accent-text:#3DA5F5;
  --accent-dim:rgba(61,165,245,0.14);
  --text:#F4F8FC;
  --text-soft:#B7C6D9;
  --text-mute:#7E92AC;
  --btn-primary-text:#041023;
  --nav-bg:rgba(4,16,35,0.86);
  --shadow: 0 24px 50px rgba(0,0,0,0.35);
  --dot: rgba(255,255,255,0.05);
  --serif:'Playfair Display', Georgia, serif;
  --sans:'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

html[data-theme="light"]{
  --bg:#F5F9FC;
  --bg-alt:#EDF3F9;
  --card:#FFFFFF;
  --line:rgba(11,31,60,0.10);
  --line-strong:rgba(11,31,60,0.18);
  --accent:#3DA5F5;
  --accent-text:#1B6FC2;
  --accent-dim:rgba(61,165,245,0.12);
  --text:#0B1F3C;
  --text-soft:#3E5670;
  --text-mute:#6B8199;
  --btn-primary-text:#FFFFFF;
  --nav-bg:rgba(255,255,255,0.86);
  --shadow: 0 20px 40px rgba(11,31,60,0.14);
  --dot: rgba(11,31,60,0.045);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  transition:background .2s ease, color .2s ease;
}
a{ color:inherit; text-decoration:none; }
h1,h2{ margin:0; font-family:var(--serif); font-weight:600; color:var(--text); }
p{ margin:0 0 16px; line-height:1.65; }
p:last-child{ margin-bottom:0; }
ul{ margin:0; padding:0; list-style:none; }


/* ---------- Nav ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 64px;
  background:var(--nav-bg);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.logo{ display:inline-flex; align-items:center; }
.logo-img{ display:block; height:34px; width:auto; }
.logo.small .logo-img{ height:22px; opacity:.85; }
.logo-for-light{ display:none; }
html[data-theme="light"] .logo-for-dark{ display:none; }
html[data-theme="light"] .logo-for-light{ display:block; }
.nav-links{ display:flex; gap:36px; }
.nav-links a{ font-size:14px; font-weight:600; color:var(--text-soft); }
.nav-links a:hover{ color:var(--accent-text); }
.nav-actions{ display:flex; align-items:center; gap:18px; }
.lang{ font-size:12.5px; font-weight:700; color:var(--text-mute); letter-spacing:1px; }
.btn-icon{
  display:flex; align-items:center; justify-content:center;
  width:36px; height:36px; border-radius:8px;
  background:transparent; border:1px solid var(--line-strong);
  color:var(--text-soft); cursor:pointer;
}
.btn-icon:hover{ color:var(--accent-text); border-color:var(--accent-text); }

/* ---------- Buttons ---------- */
.btn{ display:inline-flex; align-items:center; justify-content:center; padding:13px 24px; border-radius:9px; font-size:14.5px; font-weight:700; cursor:pointer; white-space:nowrap; }
.btn-primary{ background:var(--accent); color:var(--btn-primary-text); }
.btn-primary:hover{ opacity:.9; }
.btn-outline{ background:transparent; color:var(--text); border:1px solid var(--line-strong); font-weight:600; }
.btn-outline:hover{ border-color:var(--accent-text); color:var(--accent-text); }

/* ---------- Layout helpers ---------- */
.section-inner{ max-width:1160px; margin:0 auto; padding:0 64px; }
.section-inner.narrow{ max-width:880px; }
.section-inner.center{ text-align:center; display:flex; flex-direction:column; align-items:center; gap:18px; }
.kicker{ font-size:13px; font-weight:800; letter-spacing:2px; color:var(--accent-text); text-transform:uppercase; margin-bottom:14px; }
.kicker.center{ text-align:center; }
h2{ font-size:32px; margin-bottom:44px; }
h2.center{ text-align:center; }
h2.h-sm{ font-size:26px; margin-bottom:14px; }
.alt{ background:var(--bg-alt); }
.card{ background:var(--card); border:1px solid var(--line); border-radius:16px; padding:26px; }
.card-title{ font-size:15px; font-weight:700; color:var(--accent-text); margin-bottom:14px; }
.card-title.lg{ font-size:17px; color:var(--text); margin-bottom:12px; }
.plain li{ font-size:14px; color:var(--text-soft); line-height:1.7; }
.grid-4{ display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:20px; }
.grid-2{ display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:22px; }
.grid-2.gap-lg{ gap:44px; }
.muted{ color:var(--text-mute); font-size:13px; }

/* ---------- Hero ---------- */
.hero{ padding:96px 64px 110px; position:relative;
  background-color: var(--bg);
  background-image:
    radial-gradient(var(--dot) 1px, transparent 1px),
    radial-gradient(ellipse 1000px 560px at 88% 10%, rgba(61,165,245,0.16), transparent 62%);
  background-size: 26px 26px, auto;
}
.hero-inner{ max-width:1160px; margin:0 auto; display:flex; align-items:center; gap:72px; }
.hero-text{ flex:1.1; display:flex; flex-direction:column; gap:20px; }
.badge{ display:inline-flex; align-items:center; gap:8px; align-self:flex-start; padding:7px 14px; border-radius:100px; background:var(--accent-dim); border:1px solid rgba(61,165,245,0.4); font-size:12.5px; font-weight:700; letter-spacing:.5px; color:var(--accent-text); text-transform:uppercase; }
.badge .dot{ width:7px; height:7px; border-radius:50%; background:var(--accent-text); }
.hero-text h1{ font-size:50px; line-height:1.1; }
.title{ font-size:21px; font-weight:700; color:var(--accent-text); margin:0; }
.lede{ font-size:16.5px; color:var(--text-soft); max-width:480px; margin:0; }
.lede-sm{ font-size:15.5px; color:var(--text-soft); max-width:560px; }
.hero-actions{ display:flex; gap:14px; margin-top:8px; }
.hero-photo{ flex:0.85; display:flex; justify-content:center; }
.hero-photo-frame{ position:relative; width:320px; height:332px; }
.hero-photo-glow{ position:absolute; inset:0; border-radius:22px; background:linear-gradient(160deg, rgba(61,165,245,.35), rgba(61,165,245,.05)); transform:translate(16px,16px); z-index:0; }
.hero-photo img{ position:relative; z-index:1; width:100%; height:100%; object-fit:cover; border-radius:22px; border:1px solid var(--line-strong); box-shadow:var(--shadow); }

/* ---------- Stats ---------- */
.stats{ padding:0 64px; }
.stats-card{ max-width:1160px; margin:-46px auto 0; background:var(--card); border:1px solid var(--line); border-radius:18px; display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); box-shadow:var(--shadow); position:relative; z-index:2; }
.stat{ padding:28px 16px; text-align:center; border-right:1px solid var(--line); }
.stat:last-child{ border-right:none; }
.num{ display:block; font-family:var(--serif); font-size:32px; font-weight:600; color:var(--accent-text); }
.label{ display:block; font-size:12.5px; color:var(--text-mute); margin-top:4px; }

/* ---------- About / Formacion ---------- */
.about{ padding:120px 64px 80px; }
.lead-p{ font-size:19px; color:var(--text); }
.formacion{ padding:110px 64px; }
.mini-title{ font-size:14px; font-weight:700; color:var(--text); margin-bottom:14px; }
.mini-title.spaced{ margin-top:28px; }
.degree{ font-size:15px; color:var(--text-soft); }
.pills{ display:flex; flex-wrap:wrap; gap:9px; }
.pill{ font-size:12.5px; padding:7px 14px; border-radius:100px; border:1px solid var(--line-strong); color:var(--text-soft); }
.pill-accent{ background:var(--accent-dim); color:var(--accent-text); border:none; }

/* ---------- Experiencia ---------- */
.experiencia{ padding:100px 64px; }
.timeline-item{ display:flex; gap:32px; padding-bottom:44px; border-bottom:1px solid var(--line); margin-bottom:44px; }
.timeline-item.last{ border-bottom:none; margin-bottom:0; padding-bottom:0; }
.tl-date{ width:150px; flex-shrink:0; font-size:13.5px; color:var(--text-mute); font-weight:600; padding-top:3px; }
.tl-role{ font-size:19px; font-weight:700; }
.tl-company{ font-size:14px; color:var(--accent-text); font-weight:600; margin:4px 0 16px; }
.tl-body ul li{ font-size:15px; color:var(--text-soft); line-height:1.65; padding-left:18px; position:relative; margin-bottom:9px; }
.tl-body ul li::before{ content:"•"; position:absolute; left:0; color:var(--accent-text); }

/* ---------- Casos ---------- */
.casos{ padding:100px 64px 120px; }

/* ---------- Consultoria ---------- */
.consultoria{ padding:100px 64px; }
.services{ margin-top:32px; }
.service{ display:flex; gap:12px; align-items:flex-start; padding:18px 20px; background:var(--card); border:1px solid var(--line); border-radius:12px; font-size:14.5px; color:var(--text-soft); line-height:1.5; }
.service .num{ color:var(--accent-text); font-weight:800; font-family:var(--sans); font-size:14.5px; }
.service.span-2{ grid-column:span 2; }

/* ---------- Contacto ---------- */
.contacto{ padding:100px 64px 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(var(--dot) 1px, transparent 1px),
    radial-gradient(ellipse 900px 500px at 15% 20%, rgba(61,165,245,0.14), transparent 62%);
  background-size: 26px 26px, auto;
}
.contacto h2{ font-size:30px; margin-bottom:0; }
.footer{ max-width:1160px; margin:80px auto 0; padding:26px 0; border-top:1px solid var(--line); display:flex; justify-content:space-between; align-items:center; }
.copy{ font-size:13px; color:var(--text-mute); }

/* ============================================
   Responsive — tablet / celular
   ============================================ */
@media (max-width: 960px){
  .nav{ padding:16px 24px; }
  .nav-links{ display:none; }
  .hero, .about, .formacion, .experiencia, .casos, .consultoria, .contacto{ padding-left:24px; padding-right:24px; }
  .stats{ padding-left:24px; padding-right:24px; }
  .section-inner{ padding:0; }

  .hero-inner{ flex-direction:column-reverse; text-align:center; gap:32px; }
  .hero-text{ align-items:center; }
  .badge{ align-self:center; }
  .hero-text h1{ font-size:36px; }
  .lede{ max-width:100%; }
  .hero-actions{ flex-direction:column; width:100%; }
  .hero-photo-frame{ width:230px; height:240px; }
  .hero-photo-glow{ transform:translate(12px,12px); }

  .stats-card{ grid-template-columns:repeat(2, minmax(0,1fr)); margin-top:-30px; }
  .stat{ border-bottom:1px solid var(--line); }
  .stat:nth-child(2n){ border-right:none; }

  .grid-4{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }
  .grid-2.gap-lg{ gap:32px; }
  .service.span-2{ grid-column:span 1; }

  .timeline-item{ flex-direction:column; gap:8px; }
  .tl-date{ width:auto; }

  h1{ font-size:34px; }
  h2{ font-size:26px; margin-bottom:28px; }
  .lead-p{ font-size:17px; }

  .footer{ flex-direction:column; gap:10px; text-align:center; margin-top:56px; }
}