/* ============================================================
   Paneles Solares México — Design System
   Paleta: azul marino profundo + ámbar solar. Mobile-first.
   ============================================================ */

:root {
  --navy: #0a1e3c;
  --navy-800: #10294e;
  --navy-700: #16345f;
  --navy-600: #1e4178;
  --sun: #f7a600;
  --sun-dark: #e08f00;
  --sun-light: #ffc53d;
  --sky: #e9f2fb;
  --ink: #1c2b3a;
  --muted: #56677b;
  --line: #e2eaf3;
  --bg-soft: #f6f9fc;
  --white: #ffffff;
  --green: #12a150;
  --green-soft: #e7f6ed;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 3px rgba(10, 30, 60, 0.08);
  --shadow-md: 0 6px 24px rgba(10, 30, 60, 0.1);
  --shadow-lg: 0 16px 48px rgba(10, 30, 60, 0.16);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-w: 1180px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

/* El header es sticky (72px): los destinos de ancla deben dejarle aire
   o el título queda oculto detrás al saltar a #cotizar, #paquetes, etc. */
[id] { scroll-margin-top: 88px; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
}

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

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.6em; color: var(--navy); font-weight: 800; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.9rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.15rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.35rem); }
p { margin: 0 0 1em; }
a { color: var(--navy-600); }
ul, ol { padding-left: 1.3em; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section-soft { background: var(--bg-soft); }
.section-navy { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-700) 100%); color: #d7e3f4; }
.section-navy h2, .section-navy h3 { color: var(--white); }

.kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sun-dark);
  margin-bottom: 0.7rem;
}
.section-navy .kicker { color: var(--sun-light); }

.section-head { max-width: 760px; margin: 0 auto 2.6rem; text-align: center; }
.section-head p { color: var(--muted); font-size: 1.1rem; }
.section-navy .section-head p { color: #b9c9e0; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  border: 0;
  font-family: var(--font);
  font-size: 1.02rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--sun) 0%, var(--sun-light) 100%);
  color: var(--navy);
  box-shadow: 0 6px 18px rgba(247, 166, 0, 0.35);
}
.btn-primary:hover { box-shadow: 0 9px 26px rgba(247, 166, 0, 0.5); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.45);
}
.btn-outline:hover { border-color: var(--sun-light); color: var(--sun-light); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-700); }
.btn-whats { background: #25d366; color: #fff; box-shadow: 0 6px 18px rgba(37, 211, 102, 0.35); }
.btn-whats:hover { background: #1fb757; transform: translateY(-2px); }
.btn-block { width: 100%; }
.btn-lg { padding: 1.1rem 2.2rem; font-size: 1.1rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 72px; }
.logo { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.logo svg { width: 40px; height: 40px; flex: none; }
.logo-text { font-weight: 900; font-size: 1.08rem; line-height: 1.1; color: var(--navy); letter-spacing: -0.01em; }
.logo-text span { display: block; font-size: 0.68rem; font-weight: 700; color: var(--sun-dark); letter-spacing: 0.14em; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 1.4rem; }
.main-nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.98rem; }
.main-nav a:hover { color: var(--sun-dark); }
.main-nav .btn { padding: 0.65rem 1.3rem; font-size: 0.95rem; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { display: block; width: 24px; height: 2.6px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: 0.2s; }

@media (max-width: 1000px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.6rem 20px 1.2rem;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: 0; }
  .main-nav .btn { margin-top: 0.8rem; justify-content: center; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(247, 166, 0, 0.22), transparent 60%),
    radial-gradient(700px 420px at -10% 110%, rgba(30, 65, 120, 0.6), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-800) 55%, var(--navy-700) 100%);
  color: #d7e3f4;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}
.hero h1 { color: var(--white); margin-bottom: 0.5em; }
.hero h1 em { font-style: normal; color: var(--sun-light); }
.hero-sub { font-size: clamp(1.05rem, 2vw, 1.25rem); color: #b9c9e0; max-width: 34em; }
.hero-points { list-style: none; padding: 0; margin: 1.4rem 0 1.8rem; display: grid; gap: 0.65rem; }
.hero-points li { display: flex; align-items: flex-start; gap: 0.6rem; font-weight: 600; color: #e6eefa; }
.hero-points svg { flex: none; margin-top: 3px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 2rem; align-items: center; }
.hero-badge { display: flex; align-items: center; gap: 0.55rem; font-size: 0.9rem; color: #b9c9e0; }
.hero-badge strong { color: var(--white); display: block; font-size: 1.05rem; line-height: 1.15; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ---------- Formulario de cotización ---------- */
.quote-card {
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2rem);
  box-shadow: var(--shadow-lg);
}
.quote-card h2, .quote-card h3 { color: var(--navy); font-size: 1.35rem; margin-bottom: 0.3rem; }
.quote-card .form-note { font-size: 0.92rem; color: var(--muted); margin-bottom: 1.1rem; }
.form-grid { display: grid; gap: 0.85rem; }
.form-field label { display: block; font-size: 0.86rem; font-weight: 700; color: var(--navy); margin-bottom: 0.3rem; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 1rem;
  color: var(--ink);
  background: var(--white);
  transition: border-color 0.15s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--sun);
  box-shadow: 0 0 0 3px rgba(247, 166, 0, 0.18);
}
.form-privacy { font-size: 0.8rem; color: var(--muted); margin: 0.7rem 0 0; }
.form-privacy a { color: var(--muted); }
.form-msg { display: none; padding: 0.85rem 1rem; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem; margin-top: 0.8rem; }
.form-msg.ok { display: block; background: var(--green-soft); color: var(--green); }
.form-msg.error { display: block; background: #fdecec; color: #c0392b; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ---------- Stats ---------- */
.stats-bar { background: var(--navy-800); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding: 1.8rem 0; }
.stat { text-align: center; }
.stat strong { display: block; font-size: clamp(1.5rem, 3.4vw, 2.2rem); font-weight: 900; color: var(--sun-light); }
.stat span { font-size: 0.9rem; color: #b9c9e0; }
@media (max-width: 700px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Cards ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.cards-grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .cards-grid, .cards-grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(247, 166, 0, 0.16), rgba(255, 197, 61, 0.28));
  margin-bottom: 1.1rem;
}
.card h3 { margin-bottom: 0.45rem; }
.card p { color: var(--muted); font-size: 0.98rem; margin-bottom: 0.6rem; }
.card .card-link { font-weight: 700; text-decoration: none; color: var(--sun-dark); }
.card .card-link:hover { text-decoration: underline; }

/* ---------- Pasos ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; counter-reset: step; }
@media (max-width: 900px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps-grid { grid-template-columns: 1fr; } }
.step { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; }
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--sun-light);
  font-weight: 900;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.step h3 { font-size: 1.12rem; }
.step p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* ---------- Calculadora ---------- */
.calc-box {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 860px) { .calc-box { grid-template-columns: 1fr; } }
.calc-inputs { padding: clamp(1.5rem, 3.5vw, 2.4rem); }
.calc-inputs .form-field { margin-bottom: 1.1rem; }
.calc-range { display: flex; align-items: center; gap: 1rem; }
.calc-range input[type="range"] { flex: 1; accent-color: var(--sun); }
.calc-range output { font-weight: 900; color: var(--navy); font-size: 1.2rem; min-width: 5.2em; text-align: right; }
.calc-results {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-700) 100%);
  color: #d7e3f4;
  padding: clamp(1.5rem, 3.5vw, 2.4rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.calc-results h3 { color: var(--white); }
.calc-row { display: flex; justify-content: space-between; align-items: baseline; padding: 0.7rem 0; border-bottom: 1px solid rgba(255, 255, 255, 0.12); gap: 1rem; }
.calc-row span { font-size: 0.95rem; color: #b9c9e0; }
.calc-row strong { font-size: 1.25rem; color: var(--sun-light); font-weight: 900; white-space: nowrap; }
.calc-row.calc-total strong { font-size: 1.6rem; color: #7ef0a8; }
.calc-disclaimer { font-size: 0.78rem; color: #8fa3bf; margin-top: 1rem; }

/* ---------- Ciudades ---------- */
.cities-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.9rem; }
@media (max-width: 900px) { .cities-grid { grid-template-columns: repeat(2, 1fr); } }
.city-chip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  font-size: 0.97rem;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.city-chip:hover { border-color: var(--sun); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.city-chip svg { flex: none; }

/* Zonas/colonias dentro de una página de ciudad: 3 columnas en escritorio,
   pero deben bajar a 2 y a 1 o los nombres largos se apilan ilegibles. */
.zones-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.9rem; }
@media (max-width: 760px) { .zones-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 430px) { .zones-grid { grid-template-columns: 1fr; } }

/* ---------- Testimonios ---------- */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
@media (max-width: 900px) { .testimonials-grid { grid-template-columns: 1fr; } }
.testimonial { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.7rem; box-shadow: var(--shadow-sm); }
.testimonial-stars { color: var(--sun); letter-spacing: 2px; font-size: 1.05rem; margin-bottom: 0.7rem; }
.testimonial p { color: var(--ink); font-size: 0.98rem; }
.testimonial footer { display: flex; align-items: center; gap: 0.8rem; margin-top: 1rem; }
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy-600), var(--navy));
  color: var(--sun-light);
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.testimonial-name { font-weight: 800; color: var(--navy); font-size: 0.95rem; line-height: 1.2; }
.testimonial-loc { font-size: 0.83rem; color: var(--muted); }

/* ---------- Casos de ahorro (ejemplos ilustrativos, no clientes reales) ---------- */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
@media (max-width: 900px) { .cases-grid { grid-template-columns: 1fr; } }
.case-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.case-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  color: var(--navy);
  font-size: 1.02rem;
  margin-bottom: 1rem;
  line-height: 1.25;
}
.case-tag svg { flex: none; }
.case-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.8rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--line);
}
.case-row:last-child { border-bottom: 0; }
.case-row span { color: var(--muted); font-size: 0.92rem; }
.case-row strong { color: var(--navy); font-weight: 800; font-size: 1rem; white-space: nowrap; }
.case-row strong.pos { color: var(--green); }
.cases-note {
  text-align: center;
  font-size: 0.86rem;
  color: var(--muted);
  max-width: 760px;
  margin: 1.6rem auto 0;
}
.section-navy .cases-note { color: #8fa3bf; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 0.8rem; overflow: hidden; }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 3rem 1.15rem 1.4rem;
  font-weight: 700;
  color: var(--navy);
  position: relative;
  font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.3rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--sun-dark);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-answer { padding: 0 1.4rem 1.2rem; color: var(--muted); }
.faq-item .faq-answer p:last-child { margin-bottom: 0; }

/* ---------- Blog ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: transform 0.18s, box-shadow 0.18s;
  box-shadow: var(--shadow-sm);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.blog-card-img { height: 150px; background: linear-gradient(135deg, var(--navy-700), var(--navy)); display: flex; align-items: center; justify-content: center; }
.blog-card-body { padding: 1.4rem; }
.blog-card-tag { font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--sun-dark); }
.blog-card h3 { font-size: 1.12rem; margin: 0.45rem 0 0.5rem; color: var(--navy); }
.blog-card p { color: var(--muted); font-size: 0.93rem; margin: 0; }
.blog-card time { display: block; margin-top: 0.9rem; font-size: 0.8rem; color: var(--muted); }

/* ---------- Artículo / contenido largo ---------- */
.article { max-width: 780px; margin: 0 auto; }
.article-hero { padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(1.5rem, 3vw, 2rem); }
.article-meta { color: var(--muted); font-size: 0.9rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.article h2 { margin-top: 2.2em; }
.article h3 { margin-top: 1.8em; }
.article img { border-radius: var(--radius); }
.article table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.95rem; }
/* Las tablas comparativas (hasta 4 columnas) no caben en móvil: se comprimen
   hasta ser ilegibles. Mejor dejarlas desplazarse en horizontal. */
@media (max-width: 760px) {
  main table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    font-size: 0.9rem;
  }
  main th, main td { padding: 0.6rem 0.8rem; }
}
.article th, .article td { border: 1px solid var(--line); padding: 0.7rem 0.9rem; text-align: left; }
.article th { background: var(--bg-soft); color: var(--navy); font-weight: 800; }
.article blockquote { border-left: 4px solid var(--sun); margin: 1.5rem 0; padding: 0.4rem 0 0.4rem 1.2rem; color: var(--muted); font-style: italic; }
.article-cta {
  background: linear-gradient(135deg, rgba(247, 166, 0, 0.1), rgba(255, 197, 61, 0.18));
  border: 1.5px solid rgba(247, 166, 0, 0.4);
  border-radius: var(--radius);
  padding: 1.6rem;
  margin: 2.2rem 0;
}
.article-cta h3 { margin-top: 0; }
.article-cta p { color: var(--muted); }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { padding: 1rem 0 0; font-size: 0.86rem; color: var(--muted); }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0; margin: 0; }
.breadcrumbs li:not(:last-child)::after { content: "›"; margin-left: 0.4rem; color: var(--line); }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--sun-dark); }
.breadcrumbs [aria-current] { color: var(--navy); font-weight: 600; }

/* ---------- Marcas ---------- */
.brands-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem 1rem; }
.brand-pill {
  padding: 0.55rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
  color: var(--muted);
  font-size: 0.92rem;
  background: var(--white);
}

/* ---------- Tablas de precios ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; align-items: stretch; }
/* Apiladas, el badge "Más popular" sobresale 13px sobre su tarjeta y casi
   toca la tarjeta anterior: hace falta más aire entre ellas. */
@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; gap: 2.4rem; } }
.price-card { background: var(--white); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 2rem 1.7rem; display: flex; flex-direction: column; position: relative; }
.price-card.featured { border-color: var(--sun); box-shadow: var(--shadow-md); }
.price-tag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--sun); color: var(--navy); font-size: 0.75rem; font-weight: 900; padding: 0.25rem 1rem; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.08em; white-space: nowrap; }
.price-card h3 { text-align: center; }
.price-amount { text-align: center; font-size: 2rem; font-weight: 900; color: var(--navy); margin: 0.4rem 0 0.1rem; }
.price-amount small { font-size: 0.95rem; font-weight: 600; color: var(--muted); }
/* Un rango ("$80,000 – $105,000") es el doble de largo que un precio único:
   se reduce y escala con el ancho para no partirse en dos líneas. */
.price-amount.range { font-size: clamp(1.05rem, 1.9vw, 1.45rem); letter-spacing: -0.02em; }
.price-range-label {
  display: block;
  text-align: center;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.6rem;
}
.price-desc { text-align: center; color: var(--muted); font-size: 0.9rem; margin-bottom: 1.2rem; }
.price-features { list-style: none; padding: 0; margin: 0 0 1.6rem; display: grid; gap: 0.55rem; flex: 1; }
.price-features li { display: flex; gap: 0.55rem; align-items: flex-start; font-size: 0.95rem; color: var(--ink); }
.price-features svg { flex: none; margin-top: 4px; }

/* ---------- CTA final ---------- */
.cta-final { text-align: center; }
.cta-final h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
.cta-final p { max-width: 620px; margin: 0 auto 1.8rem; }
.cta-final .hero-ctas { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #b9c9e0; padding: 3.5rem 0 0; font-size: 0.94rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 2.2rem; padding-bottom: 2.5rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: var(--white); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.site-footer a { color: #b9c9e0; text-decoration: none; }
.site-footer a:hover { color: var(--sun-light); }
.footer-about p { font-size: 0.9rem; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 1.3rem 0; font-size: 0.83rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between; }
.footer-bottom a { color: #8fa3bf; }

/* Aviso de intermediario: el sitio conecta usuarios con instaladores
   aliados, no ejecuta las instalaciones. Debe ser legible, no letra chica. */
.footer-disclosure {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.2rem 0;
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 0.86rem;
  color: #a7bad4;
  line-height: 1.55;
}
.footer-disclosure svg { flex: none; margin-top: 2px; }
.footer-disclosure p { margin: 0; }
.footer-disclosure strong { color: var(--white); }

/* ---------- WhatsApp flotante ---------- */
.whats-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 95;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: transform 0.15s;
}
.whats-float:hover { transform: scale(1.08); }
.whats-float svg { width: 32px; height: 32px; }

/* ---------- Utilidades ---------- */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.check-list { list-style: none; padding: 0; display: grid; gap: 0.6rem; }
.check-list li { display: flex; gap: 0.6rem; align-items: flex-start; }
.check-list svg { flex: none; margin-top: 4px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 3.5rem); align-items: center; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }
.badge-green { display: inline-block; background: var(--green-soft); color: var(--green); font-weight: 800; font-size: 0.82rem; padding: 0.3rem 0.85rem; border-radius: 999px; }

/* ---------- Accesibilidad / focus ---------- */
:focus-visible { outline: 3px solid var(--sun); outline-offset: 2px; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--navy); color: #fff; padding: 0.6rem 1rem; z-index: 200; }
.skip-link:focus { left: 8px; top: 8px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .whats-float, .site-footer, .hero-ctas { display: none; }
}
