/* =========================================================
   Guía del Portal de Franquicias · Yogen Fruz / Fruzco
   ========================================================= */

:root {
  --blue: #2f80ed;
  --blue-dark: #1f5fc0;
  --blue-soft: #e8f1fd;
  --green: #22a06b;
  --green-soft: #e6f6ee;
  --orange: #f2a33a;
  --orange-soft: #fef3e2;
  --red: #e5484d;
  --red-soft: #fdeaea;
  --teal: #12a594;
  --gray: #6b7280;

  --bg: #f4f6fa;
  --surface: #ffffff;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: #e5e7eb;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 16px rgba(16, 24, 40, .06);
  --shadow-lg: 0 10px 40px rgba(16, 24, 40, .16);

  --topbar-h: 64px;
  --sidebar-w: 270px;
  --content-max: 900px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 16px); }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

code {
  font-family: Consolas, "Courier New", monospace;
  font-size: .9em;
  background: var(--blue-soft);
  padding: 1px 6px;
  border-radius: 6px;
}

.muted { color: var(--text-muted); font-size: .95rem; }

/* ---------- Progress bar ---------- */
.progress {
  position: fixed; top: 0; left: 0;
  height: 3px; width: 0;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  z-index: 1001;
  transition: width .1s linear;
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 1000;
  height: var(--topbar-h);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar__inner {
  max-width: 1280px; margin: 0 auto; height: 100%;
  padding: 0 20px;
  display: flex; align-items: center; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); margin-right: auto; }
.brand:hover { text-decoration: none; }
.brand__logo {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: #fff; font-weight: 800; letter-spacing: -.5px;
  display: grid; place-items: center;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-size: 1rem; }
.brand__text small { color: var(--text-muted); font-size: .78rem; }

.menu-toggle {
  display: none;
  width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 10px;
  background: #fff; cursor: pointer;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.menu-toggle span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 22px; border-radius: 10px;
  font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 4px 14px rgba(47, 128, 237, .3); }
.btn--primary:hover { background: var(--blue-dark); }
.btn--ghost { background: #fff; color: var(--text); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn--sm { padding: 8px 14px; font-size: .85rem; }

/* ---------- Layout ---------- */
.layout {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: var(--sidebar-w) 1fr;
  gap: 40px; padding: 32px 20px 80px;
}

/* ---------- Sidebar ---------- */
.sidebar { position: sticky; top: calc(var(--topbar-h) + 24px); align-self: start; }
.toc {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px 14px;
}
.toc__title {
  margin: 0 0 10px 10px; font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted);
}
.toc__list, .toc__sub { list-style: none; margin: 0; padding: 0; }
.toc__list > li > a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 10px;
  color: var(--text); font-weight: 500; font-size: .93rem;
  transition: background .15s, color .15s;
}
.toc__list > li > a:hover { background: var(--blue-soft); text-decoration: none; }
.toc__list > li > a.active { background: var(--blue); color: #fff; }
.toc__list > li > a.active .toc__num { background: rgba(255, 255, 255, .25); color: #fff; }
.toc__num {
  flex: 0 0 24px; height: 24px; border-radius: 8px;
  background: var(--blue-soft); color: var(--blue);
  font-size: .78rem; font-weight: 700;
  display: grid; place-items: center;
}
.toc__sub { margin: 2px 0 6px 34px; border-left: 2px solid var(--border); }
.toc__sub a {
  display: block; padding: 5px 12px; font-size: .85rem; color: var(--text-muted);
  border-left: 2px solid transparent; margin-left: -2px;
}
.toc__sub a:hover { color: var(--blue); text-decoration: none; }
.toc__sub a.active { color: var(--blue); border-left-color: var(--blue); font-weight: 600; }

/* ---------- Content ---------- */
.content { max-width: var(--content-max); min-width: 0; }

/* Hero */
.hero {
  background: linear-gradient(135deg, #ffffff 0%, var(--blue-soft) 100%);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 48px 40px; margin-bottom: 40px;
  box-shadow: var(--shadow);
}
.badge {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: var(--blue); color: #fff; font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
}
.hero h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); line-height: 1.15; margin: 16px 0 12px; letter-spacing: -.5px; }
.hero__lead { font-size: 1.1rem; color: var(--text-muted); max-width: 640px; margin: 0 0 24px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__stats {
  list-style: none; padding: 0; margin: 32px 0 0;
  display: flex; flex-wrap: wrap; gap: 32px;
}
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong { font-size: 1.8rem; color: var(--blue); line-height: 1; }
.hero__stats span { font-size: .85rem; color: var(--text-muted); }

/* Step */
.step {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 36px; margin-bottom: 32px;
}
.step__header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.step__num {
  flex: 0 0 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: #fff; font-size: 1.3rem; font-weight: 800;
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(47, 128, 237, .3);
}
.step h2 { margin: 0; font-size: 1.55rem; line-height: 1.25; letter-spacing: -.3px; }
.step__sub { margin: 4px 0 0; color: var(--text-muted); font-size: .95rem; }
.step p { margin: 0 0 14px; }

.h3-plain { font-size: 1.15rem; margin: 32px 0 12px; color: var(--text); }

/* Screenshots */
.shot { margin: 0 0 22px; }
.shot img {
  width: 100%; border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  cursor: zoom-in;
  transition: transform .2s, box-shadow .2s;
}
.shot img:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.shot figcaption { margin-top: 8px; font-size: .85rem; color: var(--text-muted); text-align: center; }

/* Instructions */
.instructions { counter-reset: instr; list-style: none; padding: 0; margin: 0 0 20px; }
.instructions li {
  counter-increment: instr;
  position: relative; padding: 10px 0 10px 44px;
  border-bottom: 1px dashed var(--border);
}
.instructions li:last-child { border-bottom: 0; }
.instructions li::before {
  content: counter(instr);
  position: absolute; left: 0; top: 10px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--blue-soft); color: var(--blue);
  font-weight: 700; font-size: .85rem;
  display: grid; place-items: center;
}

/* Feature list */
.feature-list { list-style: none; padding: 0; margin: 0 0 20px; }
.feature-list li { position: relative; padding: 6px 0 6px 26px; }
.feature-list li::before {
  content: "✓"; position: absolute; left: 0; top: 6px;
  color: var(--green); font-weight: 800;
}

/* Callouts */
.callout {
  border-radius: 12px; padding: 14px 18px; margin: 20px 0;
  border-left: 4px solid; font-size: .95rem;
}
.callout--info { background: var(--blue-soft); border-color: var(--blue); }
.callout--warn { background: var(--orange-soft); border-color: var(--orange); }
.callout--success { background: var(--green-soft); border-color: var(--green); }

.pill {
  display: inline-block; padding: 2px 10px; border-radius: 8px;
  background: #fff; border: 1px solid var(--border); font-size: .85rem; font-weight: 600;
}
.pill--green { background: var(--green); color: #fff; border-color: var(--green); }

/* Cards */
.grid { display: grid; gap: 14px; margin: 20px 0; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px;
}
.card h4 { margin: 0 0 6px; font-size: 1rem; }
.card p { margin: 0; font-size: .92rem; color: var(--text-muted); }
.card--kpi { display: flex; flex-direction: column; gap: 4px; border-left: 4px solid var(--blue); }
.card--kpi:nth-child(2) { border-left-color: var(--orange); }
.card--kpi:nth-child(3) { border-left-color: var(--green); }
.card--kpi span { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); font-weight: 700; }
.card--kpi strong { font-size: .95rem; font-weight: 500; }

/* KPI grid (indicadores) */
.kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 16px 0 20px; }
.kpi {
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid;
  border-radius: 10px; padding: 12px 14px; display: flex; flex-direction: column;
}
.kpi span { font-weight: 700; font-size: .9rem; }
.kpi small { color: var(--text-muted); font-size: .8rem; }
.kpi--blue { border-left-color: var(--blue); }
.kpi--green { border-left-color: var(--green); }
.kpi--gray { border-left-color: var(--gray); }
.kpi--red { border-left-color: var(--red); }
.kpi--orange { border-left-color: var(--orange); }
.kpi--teal { border-left-color: var(--teal); }

/* Tabs preview */
.tabs-preview { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 8px; }
.tab-chip {
  padding: 10px 16px; border-radius: 10px;
  background: var(--bg); border: 1px solid var(--border);
  color: var(--text); font-weight: 600; font-size: .92rem;
  transition: all .15s;
}
.tab-chip:hover { background: var(--blue-soft); border-color: var(--blue); color: var(--blue); text-decoration: none; }

/* Substeps */
.substep { margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--border); }
.substep h3 { display: flex; align-items: center; gap: 10px; font-size: 1.2rem; margin: 0 0 16px; }
.substep__letter {
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--blue-soft); color: var(--blue);
  font-size: .9rem; font-weight: 800; text-transform: uppercase;
  display: grid; place-items: center;
}

/* FAQ */
.faq details {
  border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 10px; background: var(--bg);
  overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 14px 44px 14px 18px; font-weight: 600;
  list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--blue-soft); color: var(--blue);
  display: grid; place-items: center; font-weight: 800; transition: transform .2s;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0; padding: 0 18px 16px; color: var(--text-muted); }

/* Footer */
.footer { text-align: center; padding: 24px 0 0; color: var(--text-muted); font-size: .9rem; }
.footer p { margin: 4px 0; }

/* To top */
.to-top {
  position: fixed; right: 24px; bottom: 24px;
  width: 46px; height: 46px; border-radius: 50%;
  border: 0; background: var(--blue); color: #fff; font-size: 1.2rem; font-weight: 700;
  box-shadow: 0 6px 20px rgba(47, 128, 237, .4); cursor: pointer;
  opacity: 0; transform: translateY(12px); pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 900;
}
.to-top.visible { opacity: 1; transform: none; pointer-events: auto; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(15, 23, 42, .92);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 40px 20px;
  animation: fadeIn .15s ease-out;
}
.lightbox[hidden] { display: none; }
.lightbox img {
  max-width: 100%; max-height: calc(100vh - 120px);
  border-radius: 10px; box-shadow: var(--shadow-lg);
  cursor: zoom-out;
}
.lightbox__caption { color: #cbd5e1; margin: 14px 0 0; font-size: .9rem; text-align: center; }
.lightbox__close {
  position: absolute; top: 16px; right: 20px;
  width: 42px; height: 42px; border-radius: 50%; border: 0;
  background: rgba(255, 255, 255, .12); color: #fff; font-size: 1.1rem; cursor: pointer;
}
.lightbox__close:hover { background: rgba(255, 255, 255, .25); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Reveal on scroll */
.step { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.step.in-view { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; gap: 0; }
  .sidebar {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0;
    width: min(320px, 85vw); padding: 16px; overflow-y: auto;
    background: var(--surface); border-right: 1px solid var(--border);
    transform: translateX(-100%); transition: transform .25s ease;
    z-index: 950;
  }
  .sidebar.open { transform: none; box-shadow: var(--shadow-lg); }
  .toc { border: 0; box-shadow: none; padding: 4px 0; }
  .menu-toggle { display: flex; }
  .content { max-width: 100%; }
}

@media (max-width: 720px) {
  .brand__text small { display: none; }
  .hero { padding: 32px 22px; }
  .step { padding: 24px 18px; }
  .grid--2, .grid--3, .kpi-grid { grid-template-columns: 1fr; }
  .step__header { gap: 12px; }
  .step__num { flex-basis: 40px; height: 40px; font-size: 1.1rem; border-radius: 12px; }
  .step h2 { font-size: 1.3rem; }
  .topbar .btn { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .step { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; animation: none !important; }
}