/* ==========================================================================
   Clínica Oftalmológica en Zapopan - Design System Transaccional Médico
   ========================================================================== */
:root {
  --primary: #0284c7;
  --primary-dark: #075985;
  --primary-navy: #0c4a6e;
  --primary-light: #e0f2fe;
  --secondary: #16a34a;
  --secondary-dark: #15803d;
  --accent: #38bdf8;
  --warning: #f59e0b;
  --dark: #0f172a;
  --slate: #334155;
  --muted: #64748b;
  --bg-light: #f8fafc;
  --border: #e2e8f0;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 14px rgba(15,23,42,0.08);
  --shadow-lg: 0 12px 28px rgba(15,23,42,0.14);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--dark);
  background-color: var(--white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ================= TOP ANNOUNCEMENT & HEADER ================= */
.top-bar {
  background: var(--primary-navy);
  color: #e2e8f0;
  font-size: 13px;
  padding: 8px 0;
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #e2e8f0;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 74px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-navy);
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-navy));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
}
.logo span {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-link {
  color: var(--slate);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 6px 0;
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

/* BOTONES */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}
.btn-primary:hover {
  background: var(--primary-navy);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.4);
}
.btn-secondary {
  background: var(--secondary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.35);
}
.btn-secondary:hover {
  background: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.45);
}
.btn-outline {
  background: transparent;
  color: var(--primary-navy);
  border: 2px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  color: var(--primary-navy);
  cursor: pointer;
}

/* ================= HERO TRANSACCIONAL ================= */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0c4a6e 0%, #0369a1 65%, #0284c7 100%);
  color: var(--white);
  padding: 60px 0 80px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
}
.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
  backdrop-filter: blur(8px);
}
.hero h1 {
  font-size: 2.6rem;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 16px;
}
.hero h1 span {
  color: var(--accent);
}
.hero-lead {
  font-size: 1.12rem;
  line-height: 1.6;
  color: #e0f2fe;
  margin-bottom: 26px;
}
.hero-trust-pills {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.hero-trust-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: #f0f9ff;
  font-weight: 600;
}
.hero-trust-pill svg {
  color: #4ade80;
  flex-shrink: 0;
}

/* FORMULARIO HERO DE ALTA CONVERSIÓN */
.hero-form-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
  color: var(--dark);
  border: 2px solid #bae6fd;
}
.hero-form-header {
  text-align: center;
  margin-bottom: 20px;
}
.hero-form-tag {
  background: #dcfce7;
  color: #15803d;
  font-size: 12px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.hero-form-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 6px;
}
.hero-form-subtitle {
  font-size: 0.88rem;
  color: var(--muted);
}
.booking-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: 5px;
}
.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--bg-light);
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}
.form-badge-security {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 6px;
}

/* ================= TRUST BANNER (MSI & SEGUROS) ================= */
.trust-strip {
  background: #f1f5f9;
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.trust-strip-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.trust-strip-col {
  display: flex;
  align-items: center;
  gap: 12px;
}
.trust-strip-icon {
  width: 44px;
  height: 44px;
  background: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  color: var(--primary);
  font-size: 20px;
  flex-shrink: 0;
}
.trust-strip-text h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary-navy);
}
.trust-strip-text p {
  font-size: 0.82rem;
  color: var(--muted);
}

/* ================= SERVICIOS TRANSACCIONALES ================= */
.section {
  padding: 70px 0;
}
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 46px;
}
.section-eyebrow {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 1px;
  display: block;
  margin-bottom: 8px;
}
.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 12px;
  line-height: 1.25;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--slate);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}
.service-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: #bae6fd;
}
.service-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.service-icon-box {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-light), #ffffff);
  border: 1px solid #bae6fd;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 26px;
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.93rem;
  color: var(--slate);
  margin-bottom: 18px;
  flex-grow: 1;
}
.service-card-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ================= POR QUÉ ELEGIRNOS ================= */
.why-section {
  background: #f8fafc;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.why-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid #ffffff;
}
.why-img-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(12, 74, 110, 0.95);
  color: #ffffff;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(6px);
  max-width: 280px;
}
.why-img-badge strong {
  display: block;
  font-size: 1.4rem;
  color: #38bdf8;
}
.why-feature-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}
.why-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.why-feature-icon {
  width: 42px;
  height: 42px;
  background: #dbeafe;
  color: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.why-feature-text h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 4px;
}
.why-feature-text p {
  font-size: 0.9rem;
  color: var(--slate);
}

/* ================= TESTIMONIOS REALES ================= */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.review-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}
.review-stars {
  color: #f59e0b;
  font-size: 18px;
  margin-bottom: 12px;
}
.review-text {
  font-size: 0.95rem;
  color: var(--slate);
  font-style: italic;
  margin-bottom: 18px;
  line-height: 1.6;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  background: #e0f2fe;
  color: var(--primary);
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.review-author h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary-navy);
}
.review-author span {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ================= FAQ ================= */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #ffffff;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item summary {
  padding: 18px 22px;
  font-weight: 700;
  color: var(--primary-navy);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.2s;
}
.faq-item[open] summary::after {
  content: '−';
}
.faq-content {
  padding: 0 22px 20px;
  color: var(--slate);
  font-size: 0.95rem;
  line-height: 1.6;
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
}

/* ================= BANNER FINAL DE CONVERSIÓN ================= */
.cta-banner {
  background: linear-gradient(135deg, #075985 0%, #0c4a6e 100%);
  color: #ffffff;
  padding: 60px 0;
  text-align: center;
}
.cta-banner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-banner p {
  font-size: 1.1rem;
  color: #e0f2fe;
  max-width: 600px;
  margin: 0 auto 30px;
}
.cta-banner-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ================= FOOTER ================= */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 60px 0 30px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 18px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  color: #cbd5e1;
}
.footer-col ul a:hover {
  color: #38bdf8;
}
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.82rem;
}

/* ================= MOBILE BOTTOM BAR ================= */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  padding: 10px 16px;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.12);
  z-index: 999;
  border-top: 1px solid var(--border);
}
.mobile-sticky-inner {
  display: flex;
  gap: 10px;
  align-items: center;
}
.mobile-sticky-inner .btn {
  flex: 1;
  padding: 12px 14px;
  font-size: 0.92rem;
  border-radius: var(--radius-md);
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .main-nav { display: none; }
  .mobile-menu-toggle { display: block; }
  .mobile-sticky-bar { display: block; }
  body { padding-bottom: 70px; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust-strip-inner { flex-direction: column; align-items: flex-start; }
}