/* =========================================================
   MedGo+ — Landing Page
   Sistema de diseño Material, basado en los colores del
   isotipo institucional (azul -> celeste -> turquesa).
   ========================================================= */

:root {
  --md-primary: #0a3df0;
  --md-primary-600: #082fc0;
  --md-primary-700: #062494;
  --md-accent: #0e7be0;
  --md-secondary: #13d9c4;
  --md-on-primary: #ffffff;

  --md-bg: #f5f7fb;
  --md-surface: #ffffff;
  --md-surface-alt: #eef2f9;

  --md-text-primary: #0f172a;
  --md-text-secondary: #475569;
  --md-text-muted: #94a3b8;

  --md-border: #e2e8f0;

  --md-radius-sm: 12px;
  --md-radius: 20px;
  --md-radius-lg: 28px;

  --md-elevation-1: 0 1px 2px rgba(15, 23, 42, 0.06), 0 2px 6px rgba(15, 23, 42, 0.06);
  --md-elevation-2: 0 4px 10px rgba(15, 23, 42, 0.08), 0 8px 24px rgba(15, 23, 42, 0.08);
  --md-elevation-3: 0 10px 20px rgba(10, 61, 240, 0.12), 0 16px 40px rgba(15, 23, 42, 0.12);

  --md-gradient-brand: linear-gradient(135deg, var(--md-primary) 0%, var(--md-accent) 45%, var(--md-secondary) 100%);
  --md-transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Roboto', 'Segoe UI', system-ui, sans-serif;
  background-color: var(--md-bg);
  color: var(--md-text-primary);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display-fw {
  font-family: 'Roboto', sans-serif;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--md-gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-eyebrow {
  color: var(--md-primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.section-padding { padding-block: clamp(3.5rem, 6vw, 6rem); }

/* Skip link (accesibilidad) */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--md-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 2000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ================= Navbar ================= */
.navbar-material {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  transition: box-shadow var(--md-transition), background-color var(--md-transition);
  padding-block: 0.75rem;
}
.navbar-material.is-scrolled {
  box-shadow: var(--md-elevation-1);
  background-color: rgba(255, 255, 255, 0.98);
}
.navbar-brand-logo {
  height: 42px;
  width: 42px;
  object-fit: contain;
}
.navbar-brand-text {
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--md-text-primary);
}
.nav-link-material {
  font-weight: 500;
  color: var(--md-text-secondary) !important;
  position: relative;
  margin-inline: 0.25rem;
}
.nav-link-material:hover { color: var(--md-primary) !important; }

/* ================= Buttons (Material) ================= */
.btn-material {
  position: relative;
  overflow: hidden;
  border-radius: 999px;
  font-weight: 600;
  padding: 0.7rem 1.6rem;
  border: none;
  transition: box-shadow var(--md-transition), transform var(--md-transition);
}
.btn-material:active { transform: scale(0.98); }

.btn-brand {
  background: var(--md-gradient-brand);
  color: var(--md-on-primary);
  box-shadow: var(--md-elevation-2);
}
.btn-brand:hover { color: var(--md-on-primary); box-shadow: var(--md-elevation-3); }

.btn-outline-brand {
  background: transparent;
  color: var(--md-primary);
  border: 1.5px solid var(--md-border);
}
.btn-outline-brand:hover { color: var(--md-primary); border-color: var(--md-primary); background: var(--md-surface-alt); }

.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-anim 600ms linear;
  background-color: rgba(255, 255, 255, 0.55);
  pointer-events: none;
}
@keyframes ripple-anim {
  to { transform: scale(3); opacity: 0; }
}

/* ================= Hero ================= */
.hero {
  padding-top: clamp(6rem, 10vw, 9rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  overflow: hidden;
  position: relative;
}
.hero-blob {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px circle at 85% 10%, rgba(19, 217, 196, 0.16), transparent 60%),
    radial-gradient(500px circle at 5% 30%, rgba(10, 61, 240, 0.12), transparent 60%);
  z-index: -1;
}
.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--md-surface);
  border: 1px solid var(--md-border);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--md-text-secondary);
  box-shadow: var(--md-elevation-1);
}
.hero-chip .material-symbols-outlined {
  font-size: 1.1rem;
  color: var(--md-secondary);
}
.hero-logo-card {
  border-radius: var(--md-radius-lg);
  box-shadow: var(--md-elevation-3);
  position: relative;
  aspect-ratio: 2 / 1; /* relación nativa del video roatan.mp4 (1152x576) */
}
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--md-radius-lg);
  background: #0b1224;
}
.hero-floating-card {
  position: absolute;
  bottom: -1.25rem;
  left: -1.25rem;
  background: var(--md-surface);
  border-radius: var(--md-radius);
  box-shadow: var(--md-elevation-2);
  padding: 0.9rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 240px;
}
.hero-floating-card .icon-badge {
  background: var(--md-gradient-brand);
  color: #fff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ================= Cards (Material elevation) ================= */
.md-card {
  background: var(--md-surface);
  border-radius: var(--md-radius);
  border: 1px solid var(--md-border);
  box-shadow: var(--md-elevation-1);
  transition: box-shadow var(--md-transition), transform var(--md-transition);
  height: 100%;
}
.md-card:hover {
  box-shadow: var(--md-elevation-3);
  transform: translateY(-4px);
}
.md-card-body { padding: clamp(1.5rem, 3vw, 2rem); }

.icon-tile {
  width: 56px;
  height: 56px;
  border-radius: var(--md-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--md-surface-alt);
  color: var(--md-primary);
  margin-bottom: 1rem;
}
.icon-tile .material-symbols-outlined { font-size: 1.75rem; }

/* ================= Testimonios ================= */
.icon-filled {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}
.testimonial-stars .material-symbols-outlined {
  font-size: 1.05rem;
  color: #f5b100;
}
.testimonial-quote {
  font-style: italic;
  color: var(--md-text-secondary);
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--md-gradient-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

/* ================= CTA Citas (sección clave) ================= */
.cta-appointment {
  background: var(--md-gradient-brand);
  border-radius: var(--md-radius-lg);
  color: #fff;
  padding: clamp(2.5rem, 6vw, 4rem);
  position: relative;
  overflow: hidden;
  box-shadow: var(--md-elevation-3);
}
.cta-appointment::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(400px circle at 90% 0%, rgba(255,255,255,0.18), transparent 60%);
}
.cta-step {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}
.cta-step-number {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  font-weight: 700;
  width: 34px;
  height: 34px;
  min-width: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-on-brand {
  background: #fff;
  color: var(--md-primary-700);
  border-radius: 999px;
  font-weight: 700;
  padding: 0.85rem 2rem;
  box-shadow: 0 8px 20px rgba(0,0,0,0.18);
}
.btn-on-brand:hover { color: var(--md-primary-700); box-shadow: 0 10px 26px rgba(0,0,0,0.24); }

/* ================= Footer ================= */
.footer-material {
  background: #0b1224;
  color: #cbd5e1;
}
.footer-material a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color var(--md-transition);
}
.footer-material a:hover { color: var(--md-secondary); }
.footer-brand-text { color: #fff; font-weight: 800; }
.social-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.1);
}
.social-icon:hover { background: var(--md-primary); border-color: var(--md-primary); }

/* Utilidad de accesibilidad para focus visible */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--md-secondary);
  outline-offset: 2px;
}