/* ==========================================================================
   Agencja Opieka — style.css
   Design: "warm stone + cyan" (DESIGN.md / Seline Analytics style reference)
   Mobile-first, sin dependencias. Único acento cromático: cyan.
   ========================================================================== */

/* ---- Tokens ---- */
:root {
  --color-stone-canvas: #fafaf9;
  --color-pure-white: #ffffff;
  --color-stone-border: #e8e6e5;
  --color-stone-muted: #d6d3d1;
  --color-ash-gray: #a8a29e;
  --color-warm-gray: #78716c;
  --color-ink-black: #0c0a09;
  --color-soot: #1c1917;
  --color-sky-wash: #c1e1f7;
  --color-cyan-signal: #3ba6f1;
  --color-cyan-edge: #3398e1;

  --font-roobert: 'Inter Tight', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-inter: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --page-max-width: 1200px;
  --section-gap: 96px;
  --card-padding: 24px;
  --element-gap: 8px;

  --radius-tags: 9999px;
  --radius-cards: 10px;
  --radius-inputs: 6px;
  --radius-buttons: 9999px;
  --radius-feature-card: 16px;

  --shadow-md: rgba(0, 0, 0, 0.05) 0px 4px 16px 0px;
  --shadow-sm: rgba(0, 0, 0, 0.1) 0px 4px 6px -1px, rgba(0, 0, 0, 0.1) 0px 2px 4px -2px;
  --shadow-subtle: rgba(0, 0, 0, 0.05) 0px 1px 2px 0px;
  --shadow-xl: rgba(17, 12, 46, 0.12) 0px 12px 45px 0px;
}

/* ---- Reset básico ---- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-stone-canvas);
  color: var(--color-warm-gray);
  font-family: var(--font-inter);
  font-size: 14px;
  line-height: 1.64;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

a { color: var(--color-cyan-edge); text-decoration: none; }
a:hover { color: var(--color-cyan-signal); }

h1, h2, h3, h4 {
  font-family: var(--font-roobert);
  font-weight: 400;
  color: var(--color-ink-black);
  margin: 0 0 0.5em;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

h1 { font-size: 32px; letter-spacing: -0.8px; }
h2 { font-size: 24px; }
h3 { font-size: 18px; letter-spacing: -0.017em; }

p { margin: 0 0 1em; }
ul, ol { padding-left: 1.25em; margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Highlight span (una por titular) ---- */
.hl {
  color: var(--color-cyan-edge);
  background: var(--color-sky-wash);
  border-radius: 4px;
  padding: 2px 8px;
  font-weight: 400;
}

/* ---- Header / Nav ---- */
.site-header {
  background: var(--color-pure-white);
  border-bottom: 1px solid var(--color-stone-border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-ink-black);
  font-family: var(--font-inter);
  font-weight: 500;
  font-size: 14px;
  white-space: nowrap;
}
.logo-mark { flex: 0 0 auto; }
.logo-text { letter-spacing: -0.01em; }

.site-nav { display: none; align-items: center; gap: 0; margin-left: auto; }
.site-nav a {
  color: var(--color-warm-gray);
  font-size: 14px;
  font-weight: 400;
  padding: 0 12px;
  height: 32px;
  display: inline-flex;
  align-items: center;
}
.site-nav a:hover { color: var(--color-ink-black); }

.nav-cta { margin-left: auto; display: inline-flex; }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--color-stone-border);
  border-radius: var(--radius-inputs);
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { display: block; height: 2px; background: var(--color-ink-black); border-radius: 2px; }

.mobile-nav {
  background: var(--color-pure-white);
  border-top: 1px solid var(--color-stone-border);
  padding: 8px 20px 16px;
}
.mobile-nav a {
  display: block;
  padding: 10px 0;
  color: var(--color-warm-gray);
  border-bottom: 1px solid var(--color-stone-border);
}
.mobile-nav a:last-child { border-bottom: none; }

/* ---- Botones ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-buttons);
  padding: 8px 16px;
  font-family: var(--font-inter);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary {
  background: var(--color-cyan-signal);
  border-color: var(--color-cyan-edge);
  color: #ffffff;
}
.btn-primary:hover { background: var(--color-cyan-edge); color: #ffffff; }
.btn-ghost {
  background: transparent;
  border-color: var(--color-stone-border);
  color: var(--color-ink-black);
  font-weight: 400;
}
.btn-ghost:hover { border-color: var(--color-stone-muted); color: var(--color-ink-black); }

/* ---- Secciones ---- */
section { padding: 48px 0; }
.section-head { margin-bottom: 32px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.025em;
  text-transform: uppercase;
  color: var(--color-cyan-edge);
  font-weight: 500;
  margin-bottom: 8px;
}
.section-head h2 { font-size: 28px; }
.section-head p { color: var(--color-warm-gray); max-width: 620px; }

/* ---- Hero ---- */
.hero { padding: 64px 0 48px; }
.hero h1 { font-size: 40px; letter-spacing: -0.8px; line-height: 1.12; }
.hero .lead { font-size: 16px; line-height: 1.69; color: var(--color-warm-gray); max-width: 640px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* ---- Cards ---- */
.card {
  background: var(--color-pure-white);
  border: 1px solid var(--color-stone-border);
  border-radius: var(--radius-cards);
  padding: var(--card-padding);
  box-shadow: var(--shadow-md);
}
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr 1fr; }

/* ---- Lista de servicios ---- */
.service-card .icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-icons);
  border: 1px solid var(--color-stone-border);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  color: var(--color-cyan-signal);
}
.service-card h3 { font-size: 20px; }
.service-card p { margin: 0; }

/* ---- Testimonios (opinie) ---- */
.review {
  padding: 0;
  border: none;
  box-shadow: none;
  background: transparent;
}
.review .stars { color: var(--color-ink-black); font-size: 16px; letter-spacing: 2px; }
.review .quote { color: var(--color-ink-black); font-size: 16px; line-height: 1.69; margin: 8px 0 16px; }
.review .author { display: flex; align-items: center; gap: 12px; }
.review .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--color-stone-muted);
  color: var(--color-ink-black);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 14px;
}
.review .author .name { color: var(--color-ink-black); font-weight: 500; display: block; }
.review .author .role { color: var(--color-warm-gray); font-size: 12px; }

/* ---- Tabla de precios ---- */
.price-table { width: 100%; border-collapse: collapse; }
.price-table th, .price-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-stone-border);
}
.price-table thead th {
  color: var(--color-warm-gray);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}
.price-table td { color: var(--color-ink-black); }
.price-table .price { font-weight: 600; white-space: nowrap; }

/* ---- Formulario ---- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; color: var(--color-ink-black); font-weight: 500; }
.input, .textarea {
  width: 100%;
  background: var(--color-pure-white);
  border: 1px solid var(--color-stone-muted);
  border-radius: var(--radius-inputs);
  padding: 10px 12px;
  font-family: var(--font-inter);
  font-size: 14px;
  color: var(--color-ink-black);
}
.input:focus, .textarea:focus {
  outline: none;
  border-color: var(--color-cyan-signal);
  box-shadow: 0 0 0 2px var(--color-cyan-signal);
}
.textarea { min-height: 120px; resize: vertical; }

/* ---- Avisos / callouts ---- */
.callout {
  background: var(--color-sky-wash);
  border: 1px solid var(--color-cyan-edge);
  border-radius: var(--radius-cards);
  padding: 16px 20px;
  color: var(--color-ink-black);
}
.callout p { margin: 0; }

/* ---- Breadcrumbs ---- */
.breadcrumbs { font-size: 12px; color: var(--color-ash-gray); padding: 16px 0 0; }
.breadcrumbs a { color: var(--color-ash-gray); }
.breadcrumbs a:hover { color: var(--color-ink-black); }
.breadcrumbs .sep { margin: 0 6px; }

/* ---- Legal / artículo ---- */
.prose { max-width: 720px; }
.prose h2 { font-size: 24px; margin-top: 2em; }
.prose h3 { font-size: 18px; margin-top: 1.6em; }
.prose p, .prose li { color: var(--color-warm-gray); }
.prose strong { color: var(--color-ink-black); }

/* ---- Footer ---- */
.site-footer {
  background: var(--color-pure-white);
  border-top: 1px solid var(--color-stone-border);
  margin-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 48px 20px 32px;
}
.footer-claim { font-family: var(--font-roobert); font-size: 20px; color: var(--color-ink-black); margin: 0 0 4px; }
.footer-tagline { color: var(--color-warm-gray); margin: 0 0 12px; }
.footer-stars { color: var(--color-ink-black); }
.footer-rating { color: var(--color-warm-gray); font-size: 13px; margin-left: 8px; }
.footer-heading { color: var(--color-ink-black); font-weight: 600; margin: 0 0 12px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: var(--color-warm-gray); }
.footer-links a:hover { color: var(--color-ink-black); }
.footer-address { font-style: normal; color: var(--color-warm-gray); line-height: 1.7; }
.footer-address strong { color: var(--color-ink-black); }
.footer-bottom { border-top: 1px solid var(--color-stone-border); padding: 16px 0; }
.footer-bottom-inner { display: flex; flex-direction: column; gap: 12px; }
.footer-bottom p { margin: 0; color: var(--color-ash-gray); font-size: 13px; }
.footer-legal { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 16px; }
.footer-legal a { color: var(--color-ash-gray); font-size: 13px; }
.footer-legal a:hover { color: var(--color-ink-black); }

/* ---- Utilidades ---- */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }

/* ==========================================================================
   Tablet / Desktop
   ========================================================================== */
@media (min-width: 768px) {
  h1 { font-size: 44px; }
  .hero h1 { font-size: 52px; letter-spacing: -1.092px; }
  section { padding: var(--section-gap) 0; }
  .site-nav { display: flex; }
  .nav-toggle { display: none; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
  .footer-bottom-inner { flex-direction: row; justify-content: space-between; align-items: center; }
  .section-head h2 { font-size: 32px; }
}