/* =====================================================
   VITALIS PORTAL — Global Design System (v1.0)
   Mobile-first | Español | Houston | Clinical Trials
   ===================================================== */

/* ── Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Merriweather:ital,wght@0,400;0,700;1,400&family=Poppins:wght@400;600;700&display=swap');

/* ── Design Tokens ── */
:root {
  --azul-marino:   #0e2a5a;
  --azul-medio:    #154a8a;
  --azul-claro:    #1a6fc4;
  --azul-suave:    #e8f0fb;
  --naranja:       #e8622a;
  --naranja-hover: #c4502a;
  --terracota:     #c4502a;
  --verde-salud:   #2a9d8f;
  --verde-suave:   #e6f5f4;
  --crema:         #fdf8f3;
  --crema-medio:   #f5ede2;
  --blanco:        #ffffff;
  --gris-claro:    #f4f6f8;
  --gris-borde:    #e2e8f0;
  --texto:         #1a1a2e;
  --texto-suave:   #4a5568;
  --texto-light:   #718096;
  --sombra-xs:     0 1px 3px rgba(0,0,0,.08);
  --sombra-sm:     0 4px 12px rgba(0,0,0,.10);
  --sombra-md:     0 8px 24px rgba(0,0,0,.12);
  --sombra-lg:     0 16px 48px rgba(0,0,0,.14);
  --radio-sm:      8px;
  --radio-md:      12px;
  --radio-lg:      20px;
  --radio-xl:      32px;
  --transicion:    0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  color: var(--texto);
  background: var(--crema);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Keyboard focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--naranja);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: 'Merriweather', Georgia, serif;
  color: var(--azul-marino);
  line-height: 1.25;
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 700; }
p  { color: var(--texto-suave); }

/* ── Layout Helpers ── */
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.section    { padding: 72px 20px; }
.section-alt { padding: 72px 20px; background: var(--blanco); }
.section-crema { padding: 72px 20px; background: var(--crema); }
.text-center { text-align: center; }
.flex { display: flex; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── Section Header ── */
.section-header { margin-bottom: 48px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { max-width: 640px; }
.section-header.centered { text-align: center; }
.section-header.centered p { margin: 0 auto; }
.eyebrow {
  display: inline-block;
  font-family: 'Poppins', sans-serif;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--naranja);
  margin-bottom: 10px;
}

/* ── Topbar / Nav ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  box-shadow: var(--sombra-xs);
}
.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--azul-marino);
  white-space: nowrap;
}
.brand-v { color: var(--naranja); }
.brand img { height: 52px; width: auto; border-radius: 8px; }
.brand-logo { height: 52px; width: auto; border-radius: 8px; display: block; }
.footer-logo { height: 64px; width: auto; border-radius: 10px; display: block; }
@media (max-width: 600px) {
  .brand-logo { height: 40px; }
  .footer-logo { height: 48px; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--texto-suave);
  transition: color var(--transicion);
}
.nav-links a:hover { color: var(--azul-marino); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lang-switcher {
  font-size: .8rem;
  font-weight: 600;
  color: var(--texto-light);
  border: 1px solid var(--gris-borde);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  transition: all var(--transicion);
}
.lang-switcher:hover { border-color: var(--azul-claro); color: var(--azul-claro); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--azul-marino);
  border-radius: 2px;
  transition: all var(--transicion);
}

/* mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 68px 0 0 0;
  background: var(--blanco);
  z-index: 99;
  padding: 24px 20px;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--gris-borde);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--texto);
  padding: 12px 0;
  border-bottom: 1px solid var(--gris-borde);
  transition: color var(--transicion);
}
.mobile-nav a:hover { color: var(--naranja); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radio-md);
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transicion);
  white-space: nowrap;
}
.btn-primary {
  background: var(--naranja);
  color: var(--blanco);
  box-shadow: 0 4px 14px rgba(232,98,42,.35);
}
.btn-primary:hover {
  background: var(--naranja-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(232,98,42,.4);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--azul-marino);
  border: 2px solid var(--azul-marino);
}
.btn-secondary:hover {
  background: var(--azul-marino);
  color: var(--blanco);
}
.btn-ghost-white {
  background: rgba(255,255,255,.15);
  color: var(--blanco);
  border: 1px solid rgba(255,255,255,.35);
  backdrop-filter: blur(4px);
}
.btn-ghost-white:hover { background: rgba(255,255,255,.25); }

.btn-grande {
  padding: 18px 36px;
  font-size: 1.05rem;
  border-radius: var(--radio-lg);
}
.btn-full { width: 100%; }

.btn-verde {
  background: var(--verde-salud);
  color: var(--blanco);
  box-shadow: 0 4px 14px rgba(42,157,143,.3);
}
.btn-verde:hover { background: #228b80; transform: translateY(-2px); }

/* ── Hero (Home) ── */
.hero-home {
  background: linear-gradient(135deg, #0e2a5a 0%, #154a8a 55%, #1a6fc4 100%);
  color: var(--blanco);
  padding: 80px 20px 72px;
  position: relative;
  overflow: hidden;
}
.hero-home::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}
.hero-home-inner {
  max-width: 1120px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr .85fr;
  gap: 40px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  background: rgba(232,98,42,.2);
  border: 1px solid rgba(232,98,42,.4);
  color: #fca87a;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero-home h1 { color: var(--blanco); margin-bottom: 16px; }
.hero-home p { color: rgba(255,255,255,.88); font-size: 1.1rem; max-width: 520px; }
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--blanco);
  font-size: .85rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 20px;
}
.hero-pills .pill-icon { font-size: 1rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }

/* Hero Card (search box side) */
.hero-card {
  background: rgba(255,255,255,.95);
  border-radius: var(--radio-xl);
  padding: 32px 28px;
  box-shadow: var(--sombra-lg);
  color: var(--texto);
}
.hero-card h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}
.hero-card > p {
  font-size: .88rem;
  color: var(--texto-light);
  margin-bottom: 18px;
}
.search-wrap {
  position: relative;
}
.search-input {
  width: 100%;
  padding: 14px 48px 14px 16px;
  border: 2px solid var(--gris-borde);
  border-radius: var(--radio-md);
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  color: var(--texto);
  background: var(--blanco);
  transition: border-color var(--transicion), box-shadow var(--transicion);
}
.search-input:focus {
  outline: none;
  border-color: var(--azul-claro);
  box-shadow: 0 0 0 3px rgba(26,111,196,.15);
}
.search-btn {
  position: absolute;
  right: 8px; top: 50%;
  transform: translateY(-50%);
  background: var(--naranja);
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  color: white;
  transition: background var(--transicion);
}
.search-btn:hover { background: var(--naranja-hover); }

.search-suggestions {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-md);
  box-shadow: var(--sombra-md);
  z-index: 50;
  display: none;
}
.search-suggestions.visible { display: block; }
.suggestion-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background var(--transicion);
  font-size: .92rem;
  color: var(--texto);
}
.suggestion-item:hover { background: var(--azul-suave); }
.suggestion-item .s-icon { font-size: 1.1rem; }

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.quick-link {
  font-size: .8rem;
  background: var(--crema);
  color: var(--azul-claro);
  border: 1px solid var(--gris-borde);
  border-radius: 20px;
  padding: 5px 12px;
  cursor: pointer;
  transition: all var(--transicion);
  font-weight: 500;
}
.quick-link:hover { background: var(--azul-suave); border-color: var(--azul-claro); }

/* ── Trust Strip ── */
.trust-strip {
  background: var(--azul-marino);
  padding: 28px 20px;
  color: var(--blanco);
}
.trust-strip-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.trust-item {
  text-align: center;
}
.trust-number {
  font-family: 'Poppins', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--naranja);
  line-height: 1;
}
.trust-label {
  font-size: .82rem;
  color: rgba(255,255,255,.75);
  margin-top: 4px;
}

/* ── Condition Cards ── */
.condiciones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.card-condicion {
  background: var(--blanco);
  border-radius: var(--radio-lg);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--sombra-sm);
  border: 2px solid transparent;
  transition: all var(--transicion);
  cursor: pointer;
  text-decoration: none;
  display: block;
}
.card-condicion:hover {
  border-color: var(--naranja);
  transform: translateY(-6px);
  box-shadow: var(--sombra-md);
}
.cond-icon {
  font-size: 2.6rem;
  margin-bottom: 12px;
}
.cond-titulo {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: .95rem;
  color: var(--azul-marino);
  margin-bottom: 6px;
}
.cond-badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--verde-suave);
  color: var(--verde-salud);
}

/* ── How It Works ── */
.pasos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.paso {
  text-align: center;
  padding: 24px;
}
.paso-numero {
  width: 56px;
  height: 56px;
  background: var(--naranja);
  color: var(--blanco);
  border-radius: 50%;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 6px 16px rgba(232,98,42,.35);
}
.paso h3 { font-size: 1.1rem; margin-bottom: 8px; }
.paso p { font-size: .9rem; }

/* ── Testimonials ── */
.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.testimonio-card {
  background: var(--blanco);
  border-radius: var(--radio-lg);
  padding: 28px 24px;
  box-shadow: var(--sombra-sm);
  border-left: 4px solid var(--naranja);
  position: relative;
}
.testimonio-quote {
  font-size: 3rem;
  color: var(--naranja);
  line-height: 1;
  font-family: Georgia, serif;
  position: absolute;
  top: 14px; right: 20px;
  opacity: .25;
}
.testimonio-texto {
  font-style: italic;
  color: var(--texto-suave);
  line-height: 1.7;
  margin-bottom: 18px;
  font-size: .95rem;
}
.testimonio-autor {
  display: flex;
  align-items: center;
  gap: 12px;
}
.autor-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.autor-nombre {
  font-weight: 600;
  font-size: .9rem;
  color: var(--azul-marino);
}
.autor-lugar {
  font-size: .78rem;
  color: var(--texto-light);
}
.estrellas { color: #f59e0b; font-size: .85rem; letter-spacing: 1px; margin-bottom: 2px; }

/* ── PRE-SCREEN Widget ── */
.prescreen-section {
  background: linear-gradient(135deg, #0e2a5a 0%, #154a8a 100%);
  padding: 64px 20px;
  color: var(--blanco);
}
.prescreen-box {
  max-width: 680px;
  margin: 0 auto;
  background: var(--blanco);
  border-radius: var(--radio-xl);
  padding: 40px 36px;
  color: var(--texto);
  box-shadow: var(--sombra-lg);
}
.progress-bar-wrap {
  background: var(--gris-claro);
  border-radius: 20px;
  height: 8px;
  margin-bottom: 28px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--naranja), var(--verde-salud));
  border-radius: 20px;
  transition: width .5s ease;
}
.step-indicator {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}
.step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gris-claro);
  border: 2px solid var(--gris-borde);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  color: var(--texto-light);
  transition: all .3s;
}
.step-dot.active { background: var(--naranja); border-color: var(--naranja); color: white; }
.step-dot.done { background: var(--verde-salud); border-color: var(--verde-salud); color: white; }

.prescreen-step { display: none; }
.prescreen-step.visible { display: block; }

.step-titulo {
  font-family: 'Merriweather', serif;
  font-size: 1.3rem;
  color: var(--azul-marino);
  margin-bottom: 6px;
}
.step-sub {
  font-size: .88rem;
  color: var(--texto-light);
  margin-bottom: 24px;
}

/* Form inputs */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  color: var(--azul-marino);
  margin-bottom: 7px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--gris-borde);
  border-radius: var(--radio-sm);
  font-size: .95rem;
  font-family: 'Inter', sans-serif;
  color: var(--texto);
  background: var(--blanco);
  transition: border-color var(--transicion), box-shadow var(--transicion);
  appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--azul-claro);
  box-shadow: 0 0 0 3px rgba(26,111,196,.12);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23718096'%3E%3Cpath d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
  padding-right: 40px;
  cursor: pointer;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Checkboxes personalizados */
.check-group { display: flex; flex-direction: column; gap: 10px; }
.check-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: .92rem;
  color: var(--texto);
}
.check-label input[type="checkbox"] { display: none; }
.checkmark {
  width: 22px;
  height: 22px;
  border: 2px solid var(--gris-borde);
  border-radius: 5px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transicion);
}
.check-label input[type="checkbox"]:checked + .checkmark {
  background: var(--verde-salud);
  border-color: var(--verde-salud);
}
.check-label input[type="checkbox"]:checked + .checkmark::after {
  content: '✓';
  color: white;
  font-size: .8rem;
  font-weight: 700;
}

/* ── Revenue strip ── */
.revenue-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
  padding: 16px 20px;
  background: linear-gradient(135deg, #0e2a5a 0%, #154a8a 100%);
  border-radius: var(--radio-sm);
}
.revenue-strip article {
  text-align: center;
}
.revenue-strip .kpi-label {
  color: rgba(255,255,255,.75);
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 4px;
}
.revenue-value {
  color: #fff !important;
  font-size: 1.5rem !important;
}
.kpi-sublabel {
  font-size: .75rem;
  color: rgba(255,255,255,.55);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.site-performance-strip {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 10px;
  margin: 10px 0 16px;
}
.site-performance-strip article {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #fff;
  padding: 10px 12px;
  text-align: center;
}
.site-performance-strip .kpi-label {
  color: var(--texto-light);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.site-performance-strip .kpi-value {
  color: var(--azul-marino);
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 2px;
}
.site-performance-strip .kpi-sublabel {
  color: #64748b;
  font-size: .72rem;
}
.top-site-card {
  background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%) !important;
  border-color: #86efac !important;
}
.top-site-card .kpi-value {
  color: #166534;
}
@media (max-width: 600px) {
  .revenue-strip { grid-template-columns: 1fr; }
  .site-performance-strip { grid-template-columns: 1fr; }
}

/* ── Billing status badges ── */
.billing-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: capitalize;
  vertical-align: middle;
}
.billing-pending  { background: #f3f4f6; color: #6b7280; border: 1px solid #d1d5db; }
.billing-billed   { background: #fef3c7; color: #92400e; border: 1px solid #fbbf24; }
.billing-paid     { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }

/* ── Estimated value cell ── */
.estimated-value { color: var(--azul-marino); }

/* ── Prescreener inline form feedback ── */
.prescreener-feedback {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radio-sm);
  font-size: .9rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.5;
}
.prescreener-feedback--success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}
.prescreener-feedback--error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* Radio-style check-label (round checkmark) */
.check-label input[type="radio"] { display: none; }
.check-label input[type="radio"] + .checkmark { border-radius: 50%; }
.check-label input[type="radio"]:checked + .checkmark {
  background: var(--naranja);
  border-color: var(--naranja);
}
.check-label input[type="radio"]:checked + .checkmark::after {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  margin: auto;
}

/* Radio buttons */
.radio-group { display: flex; gap: 12px; flex-wrap: wrap; }
.radio-card {
  flex: 1;
  min-width: 100px;
  border: 2px solid var(--gris-borde);
  border-radius: var(--radio-sm);
  padding: 12px 16px;
  text-align: center;
  cursor: pointer;
  font-weight: 600;
  font-size: .9rem;
  color: var(--texto-suave);
  transition: all var(--transicion);
}
.radio-card:hover { border-color: var(--azul-claro); color: var(--azul-claro); }
.radio-card.selected { border-color: var(--naranja); background: rgba(232,98,42,.06); color: var(--naranja); }

.step-nav {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}
.step-back {
  background: none;
  border: 2px solid var(--gris-borde);
  color: var(--texto-suave);
  padding: 12px 20px;
  border-radius: var(--radio-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: .9rem;
  transition: all var(--transicion);
}
.step-back:hover { border-color: var(--azul-marino); color: var(--azul-marino); }

/* Score result */
.score-result {
  text-align: center;
  padding: 20px;
  border-radius: var(--radio-md);
  margin-top: 16px;
  display: none;
}
.score-result.high { background: var(--verde-suave); border: 2px solid var(--verde-salud); }
.score-result.medium { background: #fff7ed; border: 2px solid #f59e0b; }
.score-result.low { background: var(--gris-claro); border: 2px solid var(--gris-borde); }
.score-emoji { font-size: 2.4rem; margin-bottom: 8px; }
.score-titulo { font-family: 'Merriweather', serif; font-size: 1.2rem; margin-bottom: 6px; }

/* ── Sección Hero Landing ── */
.hero-landing {
  background: linear-gradient(135deg, #0e2a5a 0%, #154a8a 55%, #1a6fc4 100%);
  color: var(--blanco);
  padding: 72px 20px 64px;
  position: relative;
  overflow: hidden;
}
.hero-landing::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}
.hero-landing-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  text-align: center;
}
.hero-landing h1 { color: var(--blanco); margin-bottom: 18px; }
.hero-landing .hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,.9);
  max-width: 560px;
  margin: 0 auto 24px;
}
.hero-bullets {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 auto 30px;
}
.hero-bullet {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--blanco);
  font-size: .87rem;
  font-weight: 500;
  padding: 9px 16px;
  border-radius: 20px;
}

/* ══ GLOBAL UX ENHANCEMENTS ══ */

/* Sticky CTA — mobile only */
.sticky-cta { display:none; }
@keyframes stickyCTASlideUp {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
@media(max-width:768px){
  .sticky-cta {
    display:flex; position:fixed; bottom:0; left:0; right:0; z-index:990;
    background:var(--naranja); padding:14px 20px; justify-content:center;
    box-shadow:0 -2px 12px rgba(0,0,0,.2);
    animation: stickyCTASlideUp 0.4s ease-out;
  }
  .sticky-cta a {
    color:white; font-weight:700; font-size:.95rem; text-decoration:none;
    display:flex; align-items:center; gap:8px;
  }
}

/* Inline CTA — blog articles */
.cta-inline {
  background:var(--crema); border-radius:14px; padding:22px 24px;
  margin:28px 0; border-left:4px solid var(--naranja);
}
.cta-inline p { font-size:.95rem; color:var(--texto); margin:0 0 12px; font-weight:500; }
.cta-inline a.btn { display:inline-block; }

/* Emotional hook — hub retention */
.emotional-hook {
  background:linear-gradient(135deg,var(--azul-marino),#1a4f6e);
  border-radius:20px; padding:32px 28px; color:white; text-align:center;
}
.emotional-hook h2 { color:white; margin-bottom:10px; }
.emotional-hook p { color:rgba(255,255,255,.85); margin:0; font-size:.97rem; line-height:1.6; }

/* Topbar tagline announce strip */
.topbar-announce {
  background: var(--azul-marino);
  color: rgba(255,255,255,.9);
  text-align: center;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 6px 16px;
}

/* SEO block — home internal links */
.seo-block { background:var(--crema); border-radius:16px; padding:28px 24px; }
.seo-block h2 { font-size:1.1rem; color:var(--azul-marino); margin-bottom:16px; }
.seo-block ul {
  list-style:none; padding:0;
  display:grid; grid-template-columns:1fr 1fr; gap:10px;
}
.seo-block ul li a {
  color:var(--azul-marino); font-weight:600; font-size:.92rem;
  text-decoration:none; display:flex; align-items:center; gap:6px;
}
.seo-block ul li a:hover { color:var(--naranja); }
.seo-block ul li a::before { content:"→"; color:var(--naranja); font-size:.8rem; }
@media(max-width:560px){ .seo-block ul { grid-template-columns:1fr; } }

/* ── WhatsApp Float Button ── */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 999;
  background: #25D366;
  color: white;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37,211,102,.5);
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 28px rgba(37,211,102,.6);
  color: white;
}
@media (max-width: 768px) {
  .whatsapp-float { bottom: 70px; }
}

/* ── Footer ── */
.footer-confianza {
  background: var(--azul-marino);
  color: rgba(255,255,255,.75);
  padding: 60px 20px 32px;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h5 {
  font-family: 'Poppins', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255,255,255,.7);
  font-size: .88rem;
  transition: color var(--transicion);
}
.footer-col ul li a:hover { color: var(--blanco); }
.footer-brand-text {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
  max-width: 280px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-legal {
  font-size: .72rem;
  color: rgba(255,255,255,.4);
  line-height: 1.6;
  max-width: 700px;
}
.disclaimer-mvp {
  letter-spacing: .01em;
}
.footer-copy {
  font-size: .78rem;
  color: rgba(255,255,255,.4);
  white-space: nowrap;
}

/* ── Investigadores Pages ── */
.nav-links a.nav-current { color: var(--naranja); font-weight: 700; }
.legal-links-inline { margin: 10px 0 0; font-size: .82rem; }

.section-title { text-align: center; margin-bottom: 24px; }
.mb-4 { margin-bottom: 24px; }
.bg-crema { background: var(--crema); }

.hero-investigadores {
  background: linear-gradient(160deg, var(--azul-marino) 0%, var(--azul-medio) 100%);
  color: white;
  padding: 70px 20px 64px;
  text-align: center;
}
.hero-investigadores h1 { color: white; max-width: 860px; margin: 14px auto; }
.hero-investigadores .subtitle {
  color: rgba(255,255,255,.9);
  max-width: 760px;
  margin: 0 auto 24px;
  font-size: 1.02rem;
}
.hero-proof {
  color: rgba(255,255,255,.86);
  font-weight: 600;
  margin-bottom: 18px;
}
.badge-orange {
  display: inline-block;
  background: rgba(232,98,42,.18);
  border: 1px solid rgba(232,98,42,.55);
  color: #ffd8c8;
  font-weight: 700;
  font-size: .75rem;
  letter-spacing: .08em;
  padding: 7px 14px;
  border-radius: 999px;
  text-transform: uppercase;
}
.btn-primary.large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 30px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 1rem;
  background: var(--naranja);
  color: white;
}

.grid-beneficios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}
.card-beneficio {
  background: white;
  border-radius: 16px;
  padding: 22px 20px;
  box-shadow: var(--sombra-sm);
  border-top: 4px solid var(--azul-claro);
}
.card-beneficio h3 { margin-bottom: 8px; font-size: 1.04rem; }
.card-beneficio p { font-size: .92rem; }

.how-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
.how-card {
  background: white;
  border: 1px solid var(--gris-borde);
  border-radius: 14px;
  padding: 16px;
}
.how-step {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--azul-claro);
  margin-bottom: 8px;
}
.how-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}
.how-card p {
  font-size: .86rem;
  line-height: 1.55;
}

.dashboard-preview {
  background: white;
  border-radius: 18px;
  box-shadow: var(--sombra-md);
  overflow: hidden;
  padding: 18px;
}
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.kpi-card {
  border: 1px solid var(--gris-borde);
  border-radius: 12px;
  background: #fafcff;
  padding: 12px;
}
.kpi-card-warning {
  background: #fff7ed;
  border-color: #fed7aa;
}
.kpi-label {
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--texto-light);
}
.kpi-value {
  color: var(--azul-marino);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
}
.alert-banner {
  background: #fff7ed;
  color: #9a3412;
  border: 1px solid #fed7aa;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: .9rem;
  margin-bottom: 14px;
}
.trial-header h3 { margin: 0 0 4px; }
.status-active {
  display: inline-block;
  margin: 6px 0;
  font-size: .8rem;
  font-weight: 700;
  color: #065f46;
  background: #d1fae5;
  border-radius: 99px;
  padding: 4px 10px;
}
.filters-bar {
  display: flex;
  gap: 10px;
  margin: 12px 0 16px;
  flex-wrap: wrap;
}
.quick-filters-bar,
.bulk-actions-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 10px;
}
.quick-filter-btn.active {
  background: var(--azul-claro);
  color: #fff;
}
.filters-bar input,
.filters-bar select {
  border: 1px solid var(--gris-borde);
  border-radius: 8px;
  padding: 10px 12px;
  min-width: 220px;
}
.dashboard-state-message {
  font-size: .84rem;
  color: var(--texto-light);
  margin-bottom: 12px;
}
.dashboard-state-message.state-loading { color: var(--azul-claro); }
.dashboard-state-message.state-error { color: #b91c1c; }
.referrals-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
.referrals-table th {
  text-align: left;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--texto-light);
  border-bottom: 2px solid var(--gris-borde);
  padding: 10px 8px;
}
.referrals-table td {
  border-bottom: 1px solid #eef2f7;
  padding: 10px 8px;
  vertical-align: top;
}
.status-new,
.status-contact,
.status-pastdue {
  border-radius: 999px;
  padding: 3px 10px;
  font-size: .75rem;
  font-weight: 700;
}
.status-new { background: #ffedd5; color: #9a3412; }
.status-contact { background: #dbeafe; color: #1d4ed8; }
.status-pastdue { background: #fee2e2; color: #b91c1c; }
.status-screened { background: #dcfce7; color: #166534; border-radius: 999px; padding: 3px 10px; font-size: .75rem; font-weight: 700; }
.status-randomized { background: #ede9fe; color: #5b21b6; border-radius: 999px; padding: 3px 10px; font-size: .75rem; font-weight: 700; }
.status-ineligible { background: #fef2f2; color: #991b1b; border-radius: 999px; padding: 3px 10px; font-size: .75rem; font-weight: 700; }
.status-unreachable { background: #fff7ed; color: #9a3412; border-radius: 999px; padding: 3px 10px; font-size: .75rem; font-weight: 700; }
.status-no-show { background: #f1f5f9; color: #334155; border-radius: 999px; padding: 3px 10px; font-size: .75rem; font-weight: 700; }
.qualification-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 10px;
  font-size: .74rem;
  font-weight: 700;
}
.qualification-high { background: #dcfce7; color: #166534; }
.qualification-medium { background: #fef3c7; color: #92400e; }
.qualification-low { background: #fee2e2; color: #991b1b; }
.sla-chip {
  display: inline-block;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: .7rem;
  font-weight: 700;
  margin: 0 4px 4px 0;
  white-space: nowrap;
}
.sla-ok { background: #dcfce7; color: #166534; }
.sla-overdue { background: #fee2e2; color: #b91c1c; }
.ref-id {
  display: block;
  font-size: .72rem;
  color: var(--texto-light);
  margin-top: 2px;
}
.table-empty {
  text-align: center;
  color: var(--texto-light);
  padding: 18px 8px;
}
.btn-small {
  padding: 6px 10px;
  font-size: .78rem;
  border: none;
  border-radius: 8px;
  background: var(--azul-suave);
  color: var(--azul-medio);
  font-weight: 700;
  cursor: pointer;
}
.cta-final {
  background: linear-gradient(160deg, var(--azul-marino) 0%, var(--azul-medio) 100%);
  color: white;
  text-align: center;
  padding: 64px 20px;
}
.cta-final h2 { color: white; margin-bottom: 12px; }
.cta-final p { color: rgba(255,255,255,.87); margin-bottom: 22px; }
.b2b-intake-form {
  max-width: 920px;
  margin: 24px auto 0;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 16px;
  padding: 20px;
  text-align: left;
}
.b2b-intake-form .form-label { color: #fff; }
.b2b-intake-last-row { align-items: end; }
.b2b-intake-submit {
  display: flex;
  align-items: flex-end;
}
.form-feedback-message {
  margin-top: 12px;
  font-size: .85rem;
  min-height: 20px;
  color: rgba(255,255,255,.85);
}
.form-feedback-message.feedback-success { color: #d1fae5; }
.form-feedback-message.feedback-error { color: #fecaca; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1200;
  padding: 20px;
}
.modal-content {
  background: white;
  width: 100%;
  max-width: 560px;
  border-radius: 16px;
  padding: 24px;
  position: relative;
}
.modal-content-wide { max-width: 760px; }
.close-modal {
  position: absolute;
  right: 14px;
  top: 10px;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--texto-light);
}
.score-high { color: #166534; font-weight: 800; }
.modal-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.modal-actions .btn-secondary {
  border: 1px solid var(--gris-borde);
  background: white;
  color: var(--texto);
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
}
.modal-status-line {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.modal-demographics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 14px;
  margin-bottom: 10px;
}
.modal-demographics p,
.modal-scheduling p {
  font-size: .9rem;
}
.modal-block {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 12px;
  margin-top: 10px;
}
.modal-block h3 {
  font-size: .95rem;
  margin-bottom: 8px;
}
.modal-list {
  margin: 0;
  padding-left: 18px;
}
.modal-list li {
  font-size: .88rem;
  color: var(--texto-suave);
  margin-bottom: 4px;
}
.modal-scheduling-note {
  font-size: .82rem;
  color: var(--texto-light);
  margin-top: 8px;
}

.section-compact {
  padding-top: 28px;
  padding-bottom: 34px;
}
.accountability-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.accountability-strip article {
  background: white;
  border: 1px solid var(--gris-borde);
  border-radius: 12px;
  padding: 12px;
}
.metric-label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--texto-light);
}
.metric-value {
  font-family: 'Poppins', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--azul-marino);
}

.contacto-investigadores-container { max-width: 860px; }
.contacto-investigadores-intro { margin-top: 10px; }
.contacto-investigadores-card {
  margin-top: 24px;
  background: #fff;
  padding: 24px;
  border-radius: 18px;
  box-shadow: var(--sombra-sm);
}

/* ══ RESPONSIVE BREAKPOINTS ══ */

/* Tablet & Mobile — ≤ 900px */
@media (max-width: 900px) {
  .hero-home-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .pasos-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .how-grid { grid-template-columns: 1fr 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .accountability-strip { grid-template-columns: 1fr 1fr; }
  .grid-beneficios { grid-template-columns: 1fr; }
  .referrals-table { font-size: .84rem; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}

/* Mobile — ≤ 768px */
@media (max-width: 768px) {
  /* Navigation */
  .nav-links { display: none; }
  .hamburger { display: flex; }

  /* Sections */
  .section, .section-alt, .section-crema { padding: 48px 16px; }

  /* Hero */
  .hero-home { padding: 56px 16px 48px; }
  .hero-home-inner { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; }

  /* Hero landing */
  .hero-landing { padding: 48px 16px 40px; }

  /* Grids */
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .prescreen-box { padding: 24px 18px; }

  /* Trust strip */
  .trust-strip-inner { gap: 12px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }

  /* Topbar */
  .topbar-inner { height: 60px; }
  .brand-logo { height: 40px; }

  /* Hero card (search) */
  .hero-card { padding: 24px 18px; }

  /* HIPS inline form */
  .hips-form { flex-direction: column; gap: 12px; }

  /* Pre-screen steps */
  .step-nav { flex-wrap: wrap; }
  .step-nav .btn { flex: 1; min-width: 120px; }
  .modal-demographics { grid-template-columns: 1fr; }
}

/* Small mobile — ≤ 480px */
@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
  .btn-grande { padding: 14px 20px; font-size: .95rem; }
  .grid-4 { grid-template-columns: 1fr; }
  .testimonios-grid { grid-template-columns: 1fr; }
  .condiciones-grid { grid-template-columns: 1fr 1fr; }
  .hero-pills { gap: 8px; }
  .footer-confianza { padding: 40px 16px 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .how-grid,
  .kpi-grid,
  .accountability-strip { grid-template-columns: 1fr; }
}