/* =========================================================
   Claudia Cancino — base.css
   Reset, tipografía, variables de marca, layout y
   componentes compartidos entre todas las páginas.
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent, #B2664B); outline-offset: 2px; }

/* -------------------- Tokens compartidos -------------------- */
:root {
  --serif: 'Cormorant Garamond', serif;
  --sans: 'Poppins', sans-serif;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-pill: 34px;
  --container: 1180px;
  --container-narrow: 700px;
  --transition: 0.2s ease;
}

/* Tema "profesionales" */
.theme-profesionales {
  --bg: #F3EDE6;
  --surface: #fff;
  --card-bg: #F9F5F0;
  --text: #2B241E;
  --text-soft: #6B6258;
  --text-muted: #8A7E71;
  --border: #E3D6C6;
  --accent: #B2664B;
  --accent-dark: #96543d;
  --accent-soft-bg: #F9EBE4;
  --accent-soft-border: #EAD0C2;
  --accent-soft-text: #8A4E38;
  --dark-surface: #7A4632;
  --dark-surface-border: #6b3c2c;
  --nav-bg: rgba(243,237,230,0.94);
}

/* Tema "pacientes" */
.theme-pacientes {
  --bg: #FBF7F1;
  --surface: #fff;
  --card-bg: #fff;
  --text: #3A342E;
  --text-soft: #6B6258;
  --text-muted: #9b8e7e;
  --border: #EADFD3;
  --accent: #A8624A;
  --accent-dark: #8f4f39;
  --accent2: #D29380;
  --accent-soft-bg: #F6EEE9;
  --accent-soft-border: #EADCD0;
  --accent-soft-text: #9A5F4B;
  --section-alt-bg: #F4EEE7;
  --footer-bg: #E8D5C2;
  --nav-bg: rgba(251,247,241,0.94);
}

body {
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); }
a:hover { color: var(--accent-dark); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 640px) {
  .container { padding: 0 48px; }
}
.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-align: center;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  color: var(--text);
  text-align: center;
  margin: 0 0 40px;
  line-height: 1.15;
}

/* -------------------- Botones -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  border: none;
  transition: background var(--transition), border-color var(--transition), opacity var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-outline {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-whatsapp {
  background: #25D366;
  color: #fff;
}
.btn-whatsapp:hover { background: #1fb659; color: #fff; }
.btn-block { width: 100%; }
.btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

/* -------------------- Nav -------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
}
@media (min-width: 640px) {
  .nav-row { padding: 18px 48px; }
}
.brand { line-height: 1; }
.brand-name {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--text);
}
.brand-tag {
  font-size: 0.55rem;
  letter-spacing: 0.24em;
  color: var(--accent);
  margin-top: 2px;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 24px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-soft);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a { color: var(--text-soft); white-space: nowrap; }
.nav-links a:hover { color: var(--accent); }
.nav-audience-link {
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  white-space: nowrap;
}
.nav-audience-link:hover { color: var(--accent); }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
.nav-toggle svg { width: 18px; height: 18px; }

.nav-mobile-panel {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 6px 24px 18px;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
}
.nav-mobile-panel.is-open { display: flex; }
.nav-mobile-panel a {
  padding: 10px 4px;
  font-size: 0.82rem;
  color: var(--text-soft);
  border-bottom: 1px solid var(--border);
}
.nav-mobile-panel a:last-child { border-bottom: none; }

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
  .nav-mobile-panel { display: none !important; }
}

/* -------------------- Grids utilitarios -------------------- */
.grid {
  display: grid;
  gap: 18px;
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
.grid-6 { grid-template-columns: repeat(2, 1fr); }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .grid-6 { grid-template-columns: repeat(6, 1fr); }
}

/* -------------------- Card genérica -------------------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 24px;
}

/* -------------------- Footer -------------------- */
.site-footer {
  background: var(--footer-bg, #E8D5C2);
  color: #7A6A5C;
  padding: 44px 24px 26px;
}
@media (min-width: 640px) { .site-footer { padding: 48px 48px 30px; } }
.footer-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 30px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(74,58,46,0.16);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.footer-brand-name {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: #4A3B2E;
  line-height: 1;
}
.footer-brand-tag {
  font-size: 0.55rem;
  letter-spacing: 0.24em;
  color: #9A5F4B;
  margin-top: 4px;
  margin-bottom: 14px;
}
.footer-col-title {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: #9A5F4B;
  margin-bottom: 12px;
}
.footer-bottom {
  max-width: var(--container);
  margin: 18px auto 0;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.72rem;
  color: rgba(52,66,58,0.55);
  padding: 0 0 4px;
}
.footer-bottom a { color: rgba(52,66,58,0.55); }

/* -------------------- Utilidades -------------------- */
.text-center { text-align: center; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}