/* ===================== Design tokens ===================== */
:root {
  --color-primary: #0B3C5D;
  --color-primary-dark: #082C46;
  --color-accent: #F7941D;
  --color-accent-dark: #D97D0C;
  --color-cyan: #00B4D8;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F4F6F8;
  --color-text: #1A2530;
  --color-text-light: #5A6B7B;
  --color-border: #E1E7EC;
  --font-heading: 'Montserrat', 'Segoe UI', sans-serif;
  --font-body: 'Titillium Web', 'Segoe UI', sans-serif;
  --radius: 10px;
  --shadow-sm: 0 1px 3px rgba(11,60,93,0.08);
  --shadow-md: 0 8px 24px rgba(11,60,93,0.12);
  --container-w: 1180px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

h1, h2, h3 { font-family: var(--font-heading); color: var(--color-primary); margin: 0 0 0.5em; line-height: 1.25; }
h1 { font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; color: var(--color-text-light); }
a { color: var(--color-primary); }

.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--color-primary); color: #fff;
  padding: 10px 16px; z-index: 1000; border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

/* ===================== Buttons ===================== */
.btn {
  display: inline-block; font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem;
  padding: 14px 28px; border-radius: 6px; text-decoration: none; border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer;
}
.btn-primary { background: var(--color-accent); color: #10202b; }
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-ghost:hover { background: rgba(255,255,255,0.12); }
.btn-block { width: 100%; text-align: center; }
.btn-sm { padding: 10px 18px; font-size: 0.85rem; white-space: nowrap; }

/* ===================== Header ===================== */
.site-header {
  position: sticky; top: 0; z-index: 100; background: var(--color-bg);
  border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  width: 48px; height: 44px; flex-shrink: 0; object-fit: contain; display: block;
}
.brand-mark-card {
  display: flex; align-items: center; justify-content: center; width: 48px; height: 44px;
  background: #fff; border-radius: 8px; padding: 4px;
}
.brand-mark-card img { width: 100%; height: 100%; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--font-heading); font-weight: 800; color: var(--color-primary); font-size: 1.15rem; letter-spacing: 0.02em; }
.brand-sub { font-size: 0.7rem; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.08em; }

.main-nav ul { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; align-items: center; }
.main-nav a { text-decoration: none; color: var(--color-text); font-weight: 600; font-size: 0.95rem; }
.main-nav a:hover { color: var(--color-primary); }
.nav-cta {
  background: var(--color-primary); color: #fff !important; padding: 10px 18px; border-radius: 6px;
}
.nav-cta:hover { background: var(--color-primary-dark); }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px;
  background: none; border: none; cursor: pointer; padding: 0;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--color-primary); border-radius: 2px; }

/* ===================== Hero ===================== */
.hero {
  position: relative; background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; opacity: 0.9; }
.hero-bg svg { width: 100%; height: 100%; }
.hero-inner { position: relative; padding: 100px 24px 110px; max-width: 780px; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8rem; font-weight: 700;
  color: var(--color-cyan); margin-bottom: 14px;
}
.hero h1 { color: #fff; }
.hero-lead { color: rgba(255,255,255,0.85); font-size: 1.05rem; max-width: 640px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }

/* ===================== Barra de registro ===================== */
.lead-bar { background: var(--color-cyan); padding: 20px 0; }
.lead-bar-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.lead-bar-text { display: flex; flex-direction: column; gap: 2px; color: #04303d; max-width: 420px; }
.lead-bar-text strong { font-family: var(--font-heading); font-size: 1rem; }
.lead-bar-text span { font-size: 0.85rem; opacity: 0.85; }
.lead-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; flex: 1 1 420px; justify-content: flex-end; }
.lead-form input[type="text"] {
  font-family: var(--font-body); font-size: 0.9rem; padding: 11px 14px; border: 1px solid transparent;
  border-radius: 6px; min-width: 180px; flex: 1 1 180px;
}
.lead-form input[type="text"]:focus { outline: 2px solid var(--color-primary-dark); outline-offset: 1px; }
.lead-status { text-align: center; margin: 0; padding-bottom: 12px; font-size: 0.85rem; color: #04303d; }
.lead-status:empty { display: none; }

/* ===================== Sections ===================== */
.section { padding: 88px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-tag {
  text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.78rem; font-weight: 700;
  color: var(--color-cyan); margin-bottom: 10px;
}
.section h2 { max-width: 760px; margin-bottom: 40px; }

/* ===================== About ===================== */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start; }
.about-stats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.about-stats li {
  background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 20px; text-align: center;
}
.stat-num { display: block; font-family: var(--font-heading); font-weight: 800; font-size: 1.8rem; color: var(--color-primary); }
.stat-label { font-size: 0.85rem; color: var(--color-text-light); }

/* ===================== Brands ===================== */
.brand-grid { list-style: none; margin: 0 0 8px; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
.brand-chip {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 8px;
  padding: 16px 12px; text-align: center; font-weight: 700; color: var(--color-primary);
  font-family: var(--font-heading); font-size: 0.92rem; display: flex; flex-direction: column; gap: 4px;
  justify-content: center; min-height: 64px;
}
.brand-chip span { font-family: var(--font-body); font-weight: 400; font-size: 0.72rem; color: var(--color-text-light); }
.brand-chip img { max-width: 100%; max-height: 34px; width: auto; object-fit: contain; }
.brands-note { margin-top: 20px; font-size: 0.8rem; color: var(--color-text-light); }

/* ===================== Cards ===================== */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-5 { grid-template-columns: repeat(5, 1fr); }

.card {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 28px 24px; transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card-icon { color: var(--color-accent); display: inline-flex; margin-bottom: 14px; }
.card-service .card-icon { color: var(--color-cyan); }
.card-link { display: inline-block; margin-top: 6px; font-weight: 700; text-decoration: none; color: var(--color-primary); }
.card-compact { text-align: center; padding: 22px 16px; }
.card-compact .card-icon { color: var(--color-primary); }
.card-compact h3 { font-size: 1rem; margin: 0; }
.card-compact p { font-size: 0.88rem; margin-top: 8px; }

/* ===================== Coverage ===================== */
.coverage-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.coverage-list { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.coverage-list li {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 8px; padding: 14px 16px;
  font-size: 0.92rem; color: var(--color-text);
}
.coverage-map svg { width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--color-border); }

/* ===================== Contact ===================== */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; }
.contact-details { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.contact-details a { text-decoration: none; font-weight: 600; }
.contact-form {
  background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row-full { grid-column: 1 / -1; }
.form-row label { font-size: 0.85rem; font-weight: 700; color: var(--color-primary); }
.form-row input, .form-row textarea {
  font-family: var(--font-body); font-size: 0.95rem; padding: 11px 12px; border: 1px solid var(--color-border);
  border-radius: 6px; background: #fff; color: var(--color-text); resize: vertical;
}
.form-row input:focus, .form-row textarea:focus { outline: 2px solid var(--color-cyan); outline-offset: 1px; }
.form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form .btn { grid-column: 1 / -1; margin-top: 6px; }
.form-status { grid-column: 1 / -1; margin: 0; font-size: 0.88rem; min-height: 1.2em; }
.form-status.ok { color: #1a7f37; }
.form-status.err { color: #c0392b; }

/* ===================== Ad slots (placeholders) ===================== */
.ad-slot {
  background: repeating-linear-gradient(45deg, #f0f2f4, #f0f2f4 10px, #e6e9ec 10px, #e6e9ec 20px);
  border: 2px dashed #b7c1c9; color: #7c8896; font-family: var(--font-heading); font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase; display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
}
.ad-banner { margin: 0 auto 0; padding: 0 24px; height: 90px; max-width: var(--container-w); }
.ad-inline { margin: -20px auto 40px; height: 250px; max-width: 728px; }

.ad-popup-overlay {
  position: fixed; inset: 0; background: rgba(10,20,30,0.55); z-index: 1000;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.ad-popup { position: relative; background: #fff; border-radius: 10px; padding: 16px; box-shadow: var(--shadow-md); }
.ad-popup-slot { width: min(90vw, 400px); height: 300px; }
.ad-popup-close {
  position: absolute; top: -14px; right: -14px; width: 32px; height: 32px; border-radius: 50%;
  background: var(--color-primary); color: #fff; border: none; font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm);
}

.ad-corner {
  position: fixed; bottom: 24px; left: 24px; z-index: 900; background: #fff; border-radius: 8px;
  box-shadow: var(--shadow-md); padding: 10px;
}
.ad-corner-slot { width: 260px; height: 90px; border-radius: 6px; }
.ad-corner-close {
  position: absolute; top: -10px; right: -10px; width: 24px; height: 24px; border-radius: 50%;
  background: var(--color-primary); color: #fff; border: none; font-size: 0.9rem; cursor: pointer;
}

/* ===================== Footer ===================== */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.85); padding: 48px 0 28px; }
.footer-inner { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.site-footer .brand-name { color: #fff; }
.site-footer .brand-sub { color: rgba(255,255,255,0.6); }
.footer-legal, .footer-copy { color: rgba(255,255,255,0.7); font-size: 0.85rem; margin: 0; max-width: 640px; }
.footer-copy { color: rgba(255,255,255,0.5); }

/* ===================== WhatsApp float ===================== */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 900; width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff; border: none; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); cursor: pointer; transition: bottom 0.2s ease;
}

/* ===================== Barra de apoyo: consulta con especialista ===================== */
:root { --specialist-bar-h: 0px; }
.specialist-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 950;
  background: var(--color-primary-dark); color: #fff; box-shadow: 0 -4px 16px rgba(0,0,0,0.18);
}
.specialist-bar-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 12px 24px;
}
.specialist-bar p { margin: 0; font-size: 0.9rem; color: rgba(255,255,255,0.85); }
.specialist-bar strong { color: #fff; }
.specialist-bar-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.specialist-bar-close {
  background: rgba(255,255,255,0.12); border: none; color: #fff; width: 30px; height: 30px; border-radius: 50%;
  font-size: 1.2rem; line-height: 1; cursor: pointer; flex-shrink: 0;
}

body.has-specialist-bar { padding-bottom: var(--specialist-bar-h); }
body.has-specialist-bar .whatsapp-float,
body.has-specialist-bar .ad-corner { bottom: calc(24px + var(--specialist-bar-h)); }

/* ===================== Scroll reveal (progressive enhancement) ===================== */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ===================== Responsive ===================== */
@media (max-width: 960px) {
  .card-grid, .card-grid-3, .card-grid-4, .card-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .coverage-grid, .contact-grid { grid-template-columns: 1fr; }
  .coverage-map { order: -1; max-width: 420px; }
}

@media (max-width: 780px) {
  .main-nav {
    position: absolute; top: 76px; left: 0; right: 0; background: var(--color-bg);
    border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md);
    max-height: 0; overflow: hidden; transition: max-height 0.25s ease;
  }
  .main-nav.is-open { max-height: 420px; }
  .main-nav ul { flex-direction: column; align-items: stretch; padding: 12px 24px 20px; gap: 4px; }
  .main-nav a { display: block; padding: 12px 0; border-bottom: 1px solid var(--color-border); }
  .nav-cta { text-align: center; margin-top: 8px; border-bottom: none !important; }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .hero-inner { padding: 64px 20px 72px; }
  .card-grid, .card-grid-3, .card-grid-4, .card-grid-5 { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .contact-form { grid-template-columns: 1fr; padding: 22px; }
  .ad-inline { height: 200px; }
  .lead-bar-inner { justify-content: center; text-align: center; }
  .lead-bar-text { max-width: none; align-items: center; }
  .lead-form { justify-content: center; }
  .lead-form input[type="text"] { flex: 1 1 100%; }
  .specialist-bar-inner { flex-direction: column; align-items: stretch; text-align: center; padding: 14px 16px; }
  .specialist-bar-actions { justify-content: center; }
}