/* ============================================================
   CLÍNICA NEREA — style.css
   Sistema de diseño base + estilos de escritorio.
   Los ajustes por dispositivo viven en responsive.css
   Las animaciones y keyframes viven en animations.css
   ============================================================ */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Color */
  --color-bg:        #F6F7F3;
  --color-bg-alt:    #E7ECEA;
  --color-surface:   #FFFFFF;
  --color-text:      #262B28;
  --color-text-soft: #5B615C;
  --color-primary:      #5B7A67;
  --color-primary-dark: #3E5A49;
  --color-primary-soft: #DCE6DF;
  --color-beige:     #DCCBA9;
  --color-border:    rgba(38, 43, 40, 0.10);
  --color-border-strong: rgba(38, 43, 40, 0.18);

  /* Type */
  --font-heading: 'Sora', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'IBM Plex Sans', 'Helvetica Neue', Arial, sans-serif;

  /* Spacing (8px baseline) */
  --sp-1: 0.5rem;
  --sp-2: 0.75rem;
  --sp-3: 1rem;
  --sp-4: 1.5rem;
  --sp-5: 2rem;
  --sp-6: 3rem;
  --sp-7: 4.5rem;
  --sp-8: 6.5rem;

  /* Layout */
  --wrap-max: 1200px;
  --wrap-narrow-max: 760px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 180ms;
  --dur-med: 320ms;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body, h1, h2, h3, h4, p, ul, ol, figure {
  margin: 0;
}

[hidden] { display: none !important; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; padding: 0; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

input, select, textarea { font: inherit; color: inherit; }

html.has-custom-cursor,
html.has-custom-cursor * { cursor: none !important; }

/* Focus visibility (accessibility floor) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
.treatment-trigger:focus-visible,
.faq-trigger:focus-visible {
  outline: 2px solid var(--color-primary-dark);
  outline-offset: 3px;
  border-radius: 4px;
}

.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;
}

.skip-link {
  position: absolute;
  left: var(--sp-3);
  top: -60px;
  background: var(--color-primary-dark);
  color: #fff;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: var(--sp-3); }

/* ---------- 3. Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 4vw, 3.4rem); line-height: 1.08; font-weight: 700; }
h2 { font-size: clamp(1.9rem, 2.6vw, 2.4rem); line-height: 1.15; }
h3 { font-size: 1.1rem; line-height: 1.3; font-weight: 600; }

p { color: var(--color-text-soft); }
p + p { margin-top: var(--sp-3); }

.section-lead {
  max-width: 46ch;
}

/* ---------- 4. Layout helpers ---------- */
.wrap {
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}
.wrap--narrow { max-width: var(--wrap-narrow-max); }

section { padding-block: var(--sp-8); }
section[id] { scroll-margin-top: 96px; }

.bg-alt { background: var(--color-bg-alt); }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-primary-dark);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary); }

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}
.btn-ghost:hover { border-color: var(--color-primary-dark); color: var(--color-primary-dark); }

.btn-small { padding: 0.65rem 1.3rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------- 6. Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease);
}
.site-header.is-scrolled {
  background: rgba(246, 247, 243, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 0 rgba(38,43,40,0.02);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.main-nav ul {
  display: flex;
  gap: var(--sp-5);
}
.main-nav a {
  font-size: 0.92rem;
  color: var(--color-text-soft);
  position: relative;
  padding-block: 4px;
  transition: color var(--dur-fast) var(--ease);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--color-primary-dark);
  transition: right var(--dur-med) var(--ease);
}
.main-nav a:hover { color: var(--color-text); }
.main-nav a:hover::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: var(--sp-3); }

.menu-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.menu-toggle .icon { width: 22px; height: 22px; }

/* ---------- 7. Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  justify-content: flex-end;
}
.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(38, 43, 40, 0.35);
  z-index: 199;
}
.mobile-menu__inner {
  width: min(360px, 84vw);
  height: 100%;
  background: var(--color-surface);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  box-shadow: -12px 0 32px rgba(38,43,40,0.08);
}
.mobile-menu__top { display: flex; align-items: center; justify-content: space-between; }
.mobile-nav-list { display: flex; flex-direction: column; gap: var(--sp-4); }
.mobile-nav-list a { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 500; }
.mobile-menu__inner .btn { margin-top: auto; }

/* ---------- 8. Visual panel (contenedor de fotografía) ---------- */
.visual-panel {
  position: relative;
  min-width: 0;
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.visual-panel img {
  width: 100%;
  height: 100%;
  min-width: 0;
  object-fit: cover;
  display: block;
  filter: saturate(0.92) contrast(1.03);
}
/* El mapa de la sección de contacto sigue siendo esquemático (no una fotografía) */
.visual-panel__art { width: 62%; height: auto; min-width: 0; max-width: 100%; color: var(--color-primary-dark); }
.visual-panel__icon { color: var(--color-primary-dark); opacity: 0.85; }
.visual-panel__tag {
  position: absolute;
  left: var(--sp-3);
  bottom: var(--sp-3);
  background: rgba(255,255,255,0.72);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: var(--color-text);
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.visual-panel--hero { aspect-ratio: 4 / 5; }
.visual-panel--small { aspect-ratio: 1 / 1; }
.visual-panel--treatments { aspect-ratio: 4 / 5; height: 100%; }
.visual-panel--clinic-main { aspect-ratio: 4 / 3; }
.visual-panel--clinic-small { aspect-ratio: 4 / 3; }
.visual-panel--portrait { aspect-ratio: 1 / 1; border-radius: var(--radius-md); margin-bottom: var(--sp-3); }
.visual-panel--map { aspect-ratio: 5 / 4; }

/* ---------- 9. Hero ---------- */
.hero {
  padding-top: calc(84px + var(--sp-8));
  padding-bottom: var(--sp-8);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--sp-7);
  align-items: center;
}
.hero-lead { font-size: 1.1rem; max-width: 42ch; margin-top: var(--sp-3); }
.hero-actions { display: flex; gap: var(--sp-3); margin-top: var(--sp-5); flex-wrap: wrap; }

.trust-line {
  margin-top: var(--sp-6);
  font-size: 0.85rem;
  color: var(--color-text-soft);
  display: flex;
  gap: var(--sp-1);
  flex-wrap: wrap;
}
.trust-line .dot { color: var(--color-primary); opacity: 0.7; }

/* ---------- 10. Intro ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--sp-7);
  align-items: start;
}
.intro-text { padding-top: var(--sp-4); max-width: 40ch; }
.intro-text p { font-size: 1.05rem; margin-top: var(--sp-4); }
.intro-highlight { display: flex; flex-direction: column; gap: var(--sp-4); }
.intro-highlight .visual-panel { width: 60%; align-self: flex-end; }
.highlight-phrase {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text);
  max-width: 20ch;
  align-self: flex-end;
  text-align: right;
}

/* ---------- 11. Treatments ---------- */
.treatments h2 { max-width: 20ch; margin-bottom: var(--sp-6); }
.treatments-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-7);
  align-items: stretch;
}
.treatments-list { border-top: 1px solid var(--color-border); }
.treatment-item { border-bottom: 1px solid var(--color-border); }
.treatment-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding-block: var(--sp-4);
  text-align: left;
  transition: padding-left var(--dur-med) var(--ease);
}
.treatment-number {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-primary);
  min-width: 28px;
}
.treatment-body { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.treatment-name { font-family: var(--font-heading); font-weight: 600; font-size: 1.1rem; }
.treatment-desc { font-size: 0.92rem; color: var(--color-text-soft); max-width: 46ch; }
.treatment-arrow {
  width: 20px; height: 20px;
  color: var(--color-text-soft);
  flex-shrink: 0;
  transition: transform var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.treatment-item:hover .treatment-trigger,
.treatment-item.is-active .treatment-trigger {
  padding-left: var(--sp-2);
}
.treatment-item:hover .treatment-arrow,
.treatment-item.is-active .treatment-arrow {
  transform: translateX(4px);
  color: var(--color-primary-dark);
}
.treatment-item.is-active .treatment-name { color: var(--color-primary-dark); }

.treatments-visual { position: sticky; top: 120px; height: 480px; }
.treatments-visual .visual-panel { height: 100%; }
/* La transición de cambio de foto vive en animations.css (.treatments-art-fade) */

/* ---------- 12. Tecnología ---------- */
.technology-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--sp-7);
  align-items: center;
}
.visual-panel--technology { aspect-ratio: 4 / 5; }
.technology-content h2 { max-width: 18ch; }
.technology-content > p { margin-top: var(--sp-3); font-size: 1.05rem; max-width: 46ch; }
.technology-points { margin-top: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-5); }
.technology-points li { display: flex; gap: var(--sp-4); }
.technology-point-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
  min-width: 32px;
  flex-shrink: 0;
}
.technology-point-title { font-family: var(--font-heading); font-weight: 600; font-size: 1.05rem; }
.technology-point-desc { margin-top: 4px; font-size: 0.95rem; }

/* ---------- 13. Espacio memorable (showcase a sangre) ---------- */
.showcase { padding-block: 0; }
.showcase-media {
  position: relative;
  width: 100%;
  height: min(72vh, 640px);
  min-height: 380px;
  overflow: hidden;
}
.showcase-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.9) contrast(1.04) brightness(0.92);
}
.showcase-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(38,43,40,0.78) 0%, rgba(38,43,40,0.2) 45%, transparent 72%);
}
.showcase-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--sp-7);
}
.showcase-overlay-inner {
  width: 100%;
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}
.showcase-mark {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: #fff;
  opacity: 0.55;
  line-height: 1;
  margin-bottom: var(--sp-2);
}
.showcase-overlay-inner h2 { color: #fff; max-width: 16ch; }
.showcase-overlay-inner p { color: rgba(255,255,255,0.85); margin-top: var(--sp-3); font-size: 1.05rem; max-width: 44ch; }

/* ---------- 13. Clínica (espacio) ---------- */
.clinic { background: var(--color-bg-alt); }
.clinic-head { max-width: 48ch; margin-bottom: var(--sp-6); }
.clinic-head p { margin-top: var(--sp-3); font-size: 1.05rem; }
.clinic-gallery {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--sp-4);
}
.visual-panel--clinic-main { height: 100%; }
.clinic-gallery__side { display: flex; flex-direction: column; gap: var(--sp-4); }
.clinic-gallery__side .visual-panel { flex: 1; }

/* ---------- 14. Equipo ---------- */
.team h2 { max-width: 22ch; margin-bottom: var(--sp-6); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}
.team-card--offset { margin-top: var(--sp-6); }
.team-name { font-family: var(--font-heading); font-weight: 600; font-size: 1.05rem; }
.team-role { font-size: 0.85rem; color: var(--color-primary-dark); margin-top: 2px; }
.team-desc { font-size: 0.92rem; margin-top: var(--sp-2); }

/* ---------- 15. Proceso primera visita ---------- */
.process h2 { max-width: 24ch; margin-bottom: var(--sp-6); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  position: relative;
}
.process-steps::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 0; right: 0;
  height: 1px;
  background: var(--color-border);
}
.process-step { position: relative; padding-top: var(--sp-6); }
.process-number {
  position: absolute;
  top: 0; left: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
  background: var(--color-bg);
  padding-right: var(--sp-2);
}
.process-title { font-family: var(--font-heading); font-weight: 600; font-size: 1.1rem; }
.process-desc { margin-top: var(--sp-2); font-size: 0.95rem; }

/* ---------- 16. FAQ ---------- */
.faq h2 { margin-bottom: var(--sp-6); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: var(--sp-4);
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.02rem;
}
.faq-chevron { width: 18px; height: 18px; color: var(--color-text-soft); transition: transform var(--dur-fast) var(--ease); flex-shrink: 0; }
.faq-trigger[aria-expanded="true"] .faq-chevron { transform: rotate(180deg); color: var(--color-primary-dark); }
.faq-answer { overflow: hidden; }
.faq-answer p { padding-bottom: var(--sp-4); font-size: 0.98rem; max-width: 62ch; }

/* ---------- 17. Reserva ---------- */
.booking { background: var(--color-bg-alt); }
.booking-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--sp-7);
}
.booking-copy h2 { max-width: 16ch; }
.booking-copy p { margin-top: var(--sp-3); font-size: 1.05rem; max-width: 40ch; }
.booking-info { margin-top: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-3); }
.booking-info li { display: flex; align-items: center; gap: var(--sp-2); font-size: 0.95rem; }
.booking-info .icon { width: 18px; height: 18px; color: var(--color-primary-dark); flex-shrink: 0; }

.booking-form-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  border: 1px solid var(--color-border);
}
.form-row { margin-bottom: var(--sp-4); display: flex; flex-direction: column; gap: 6px; }
.form-row--split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--sp-3); }
.form-row--split > div { display: flex; flex-direction: column; gap: 6px; }
label, legend { font-size: 0.85rem; font-weight: 500; color: var(--color-text); padding: 0; }
fieldset { border: none; padding: 0; margin: 0; }
input, select {
  width: 100%;
  min-width: 0;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  transition: border-color var(--dur-fast) var(--ease);
}
input:focus, select:focus { border-color: var(--color-primary-dark); }
.radio-group { display: flex; gap: var(--sp-4); margin-top: 4px; }
.radio-option { display: flex; align-items: center; gap: 6px; font-weight: 400; font-size: 0.92rem; }
.radio-option input { accent-color: var(--color-primary-dark); }

.form-note {
  margin-top: var(--sp-4);
  padding: var(--sp-3);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

/* ---------- 18. Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--sp-7);
  align-items: center;
}
.contact-list { margin-top: var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-3); }
.contact-list li { display: flex; align-items: center; gap: var(--sp-2); font-size: 0.98rem; }
.contact-list .icon { width: 18px; height: 18px; color: var(--color-primary-dark); flex-shrink: 0; }

/* ---------- 19. Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--sp-7);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--sp-6);
  padding-bottom: var(--sp-6);
}
.footer-tagline { margin-top: var(--sp-2); font-size: 0.92rem; }
.footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  margin-top: var(--sp-4);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.footer-social .icon { width: 17px; height: 17px; }
.footer-social:hover { border-color: var(--color-primary-dark); color: var(--color-primary-dark); }
.footer-heading { font-size: 0.8rem; color: var(--color-text-soft); margin-bottom: var(--sp-3); }
.footer-nav ul { display: flex; flex-direction: column; gap: var(--sp-2); }
.footer-nav a { font-size: 0.92rem; }
.footer-nav a:hover { color: var(--color-primary-dark); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-block: var(--sp-4);
  font-size: 0.8rem;
  color: var(--color-text-soft);
}

/* ---------- 20. Cursor personalizado ---------- */
/* Activado por JS solo en escritorio con puntero preciso (ver main.js) */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  will-change: transform, opacity;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--color-primary-dark);
}
.cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid var(--color-primary-dark);
  transition: opacity 250ms var(--ease), width 250ms var(--ease), height 250ms var(--ease);
}
body.custom-cursor-enabled .cursor-dot,
body.custom-cursor-enabled .cursor-ring { opacity: 0.85; }
body.custom-cursor-enabled.cursor-hover .cursor-ring { width: 54px; height: 54px; opacity: 0.55; }

/* Oculta el cursor nativo únicamente cuando el cursor personalizado está activo
   y solo en dispositivos de escritorio con puntero preciso */
@media (hover: hover) and (pointer: fine) {
  html.has-custom-cursor,
  html.has-custom-cursor * { cursor: none !important; }
}