/* ==========================================================================
   ESSENCE Odontología Especializada — Stylesheet
   Paleta editorial marfil, beige, arena y bronce/dorado cálido
   Optimizado para PC, Android e iOS/Apple (safe-area, 100dvh, overscroll)
   ========================================================================== */

:root {
  --bg-ivory: #FAF8F4;
  --bg-beige: #F1EBE1;
  --bg-sand: #E5D9C8;
  --surface: #FFFFFF;
  --surface-glass: rgba(255, 255, 255, 0.72);
  --border-soft: rgba(141, 114, 87, 0.18);
  --border-strong: rgba(141, 114, 87, 0.34);

  --text-main: #1E1B18;
  --text-muted: #625B52;
  --text-soft: #8A8176;

  --gold-deep: #7B634C;
  --gold-hover: #65503C;
  --gold-accent: #B5946B;
  --gold-light: #DFC9AA;

  --dark-bg: #0D1014;
  --dark-surface: #151920;
  --dark-border: rgba(255, 255, 255, 0.12);
  --cyan-xray: #9FD8E8;

  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --shadow-soft: 0 14px 40px rgba(30, 27, 24, 0.06);
  --shadow-card: 0 20px 50px rgba(30, 27, 24, 0.08);
  --header-h: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background-color: var(--bg-ivory);
  color: var(--text-main);
  font-family: var(--font-body);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}

body {
  margin: 0;
  background-color: var(--bg-ivory);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  overflow-x: clip;
}

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

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

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 12px 18px;
  background: var(--gold-deep);
  color: #fff;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

.container {
  width: min(1240px, 100% - clamp(32px, 6vw, 80px));
  margin-inline: auto;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-sm {
  min-height: 40px;
  padding: 9px 18px;
  font-size: 0.88rem;
}

.btn-lg {
  min-height: 52px;
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background-color: var(--gold-deep);
  color: #FAF8F4;
  box-shadow: 0 10px 24px rgba(123, 99, 76, 0.24);
}

.btn-primary:hover {
  background-color: var(--gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(123, 99, 76, 0.3);
}

.btn-gold {
  background: linear-gradient(135deg, #9F8365 0%, #7B634C 100%);
  color: #FAF8F4;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.26);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.34);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--border-strong);
  color: var(--text-main);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--gold-deep);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--gold-deep);
}

.btn-outline:hover {
  background: var(--bg-beige);
  border-color: var(--gold-deep);
}

.icon-arrow {
  width: 18px;
  height: 18px;
  transition: transform 0.25s ease;
}

.btn:hover .icon-arrow {
  transform: translateX(3px);
}

/* ==========================================================================
   HEADER (Oculta al bajar, aparece al subir)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding-top: env(safe-area-inset-top, 0px);
  background: rgba(250, 248, 244, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(141, 114, 87, 0.1);
  transition: transform 0.34s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-hidden {
  transform: translateY(calc(-100% - 4px));
}

.site-header.is-scrolled {
  background: rgba(250, 248, 244, 0.92);
  box-shadow: 0 6px 26px rgba(30, 27, 24, 0.06);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  height: 48px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.brand:hover .brand-logo {
  opacity: 0.92;
  transform: scale(0.99);
}

.brand-logo--mobile {
  height: 42px;
}

.brand-logo--footer {
  height: 50px;
  margin-bottom: 4px;
}

.brand-mark {
  display: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-main);
}

.brand-sub {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  white-space: nowrap;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.desktop-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding-block: 6px;
  transition: color 0.2s ease;
}

.desktop-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1.5px;
  background: var(--gold-deep);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.desktop-nav a:hover {
  color: var(--text-main);
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hamburguesa (visible en móviles y tablets pequeñas) */
.hamburger-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.72);
  align-items: center;
  justify-content: center;
  padding: 0;
}

.hamburger-lines {
  width: 20px;
  height: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger-lines span {
  display: block;
  height: 1.8px;
  width: 100%;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

/* ==========================================================================
   MOBILE MENU DRAWER
   ========================================================================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 120;
  pointer-events: none;
  visibility: hidden;
}

.mobile-menu.is-open {
  pointer-events: auto;
  visibility: visible;
}

.mobile-menu-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 18, 15, 0.42);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.mobile-menu.is-open .mobile-menu-backdrop {
  opacity: 1;
}

.mobile-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(340px, 86vw);
  background: var(--bg-ivory);
  padding: calc(20px + env(safe-area-inset-top, 0px)) 24px calc(24px + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: -18px 0 50px rgba(0, 0, 0, 0.16);
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.mobile-menu.is-open .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-soft);
}

.mobile-close-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mobile-close-btn svg {
  width: 20px;
  height: 20px;
}

.mobile-nav-list {
  list-style: none;
  margin: 24px 0 auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mobile-nav-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 12px;
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 400;
  color: var(--text-main);
  transition: background-color 0.2s ease;
}

.mobile-nav-list a:hover {
  background: var(--bg-beige);
}

.mobile-menu-footer {
  padding-top: 20px;
  border-top: 1px solid var(--border-soft);
}

.mobile-menu-meta {
  margin: 14px 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

/* ==========================================================================
   HERO FULLSCREEN (100dvh) + REVELADO AL SCROLLEAR
   ========================================================================== */
.hero {
  position: sticky;
  top: 0;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 12px);
  padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 75% 42%, #FFFFFF 0%, #F5EFE6 44%, #EDE4D7 100%);
  overflow: hidden;
}

.hero-ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-glow--warm {
  width: 520px;
  height: 520px;
  right: 8%;
  top: 14%;
  background: radial-gradient(circle, rgba(181, 148, 107, 0.22) 0%, rgba(181, 148, 107, 0) 70%);
}

.hero-glow--pearl {
  width: 440px;
  height: 440px;
  left: -8%;
  bottom: 4%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0) 72%);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--border-soft);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-accent);
}

.hero-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.55rem, 5.4vw, 4.65rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--text-main);
}

.hero-subtitle {
  margin: 0 0 30px;
  max-width: 49ch;
  font-size: clamp(1rem, 1.35vw, 1.15rem);
  color: var(--text-muted);
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trust-item svg {
  width: 15px;
  height: 15px;
  color: var(--gold-deep);
}

/* Visor 3D Hero */
.hero-stage {
  position: relative;
  width: 100%;
  height: clamp(340px, 58vh, 560px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tooth-pedestal {
  position: absolute;
  bottom: 10%;
  width: 58%;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(123, 99, 76, 0.22) 0%, rgba(123, 99, 76, 0) 70%);
  filter: blur(8px);
}

.tooth-canvas {
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: pan-y;
}

.tooth-canvas:active {
  cursor: grabbing;
}

.floating-callout {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 12px 28px rgba(30, 27, 24, 0.08);
  pointer-events: none;
  animation: floatSlow 6s ease-in-out infinite;
}

.floating-callout strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
}

.floating-callout span {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.callout-line {
  width: 22px;
  height: 1px;
  background: var(--gold-accent);
}

.callout-top-right {
  top: 16%;
  right: 2%;
}

.callout-bottom-left {
  bottom: 18%;
  left: 0;
  animation-delay: -3s;
}

.stage-hint {
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  color: var(--text-soft);
  pointer-events: none;
  white-space: nowrap;
}

.stage-hint svg {
  width: 15px;
  height: 15px;
}

.scroll-cue {
  position: absolute;
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-mouse {
  width: 20px;
  height: 32px;
  border-radius: 12px;
  border: 1.5px solid var(--gold-deep);
  display: flex;
  justify-content: center;
  padding-top: 5px;
}

.scroll-wheel {
  width: 3px;
  height: 6px;
  border-radius: 2px;
  background: var(--gold-deep);
  animation: wheelMove 1.8s ease-in-out infinite;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@keyframes wheelMove {
  0% { opacity: 1; transform: translateY(0); }
  75% { opacity: 0.2; transform: translateY(10px); }
  100% { opacity: 0; transform: translateY(0); }
}

/* ==========================================================================
   PAGE SHEET (Se descubre deslizando por encima del Hero)
   ========================================================================== */
.page-sheet {
  position: relative;
  z-index: 2;
  background-color: var(--bg-ivory);
  border-radius: 30px 30px 0 0;
  box-shadow: 0 -20px 60px rgba(30, 27, 24, 0.09);
}

.section {
  padding-block: clamp(68px, 9vw, 112px);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px 36px;
  margin-bottom: clamp(32px, 4vw, 48px);
}

.section-head--center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-kicker {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  letter-spacing: 0.04em;
  color: var(--text-main);
}

.section-lead {
  margin: 0;
  max-width: 48ch;
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* ==========================================================================
   SERVICIOS DENTALES (Carrusel interactivo)
   ========================================================================== */
.services-section {
  background: linear-gradient(180deg, #FAF8F4 0%, #F4EFE6 100%);
  border-radius: 30px 30px 0 0;
}

.carousel-wrapper {
  position: relative;
}

.services-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 60px) / 4);
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 10px 4px 20px;
  scrollbar-width: none;
}

.services-track::-webkit-scrollbar {
  display: none;
}

.service-card {
  scroll-snap-align: start;
  border-radius: var(--radius-md);
  background: var(--surface-glass);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-soft);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
  border-color: var(--gold-light);
}

.service-card-link {
  height: 100%;
  padding: 26px 22px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.service-visual {
  width: 112px;
  height: 112px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.service-card:hover .service-visual {
  transform: scale(1.06);
}

.service-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 500;
  color: var(--text-main);
}

.service-card p {
  margin: 0 0 18px;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-muted);
  flex: 1;
}

.service-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gold-deep);
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: rgba(181, 148, 107, 0.12);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.service-card:hover .service-cta {
  background: var(--gold-deep);
  color: #FAF8F4;
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(30, 27, 24, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.carousel-nav:hover {
  background: var(--gold-deep);
  color: #fff;
}

.carousel-nav svg {
  width: 20px;
  height: 20px;
}

.carousel-prev {
  left: -18px;
}

.carousel-next {
  right: -18px;
}

/* ==========================================================================
   SECCIÓN OSCURA: TECNOLOGÍA DE PRECISIÓN
   ========================================================================== */
.tech-section {
  position: relative;
  padding-block: clamp(72px, 10vw, 120px);
  background: radial-gradient(circle at 65% 45%, #1E252D 0%, #0D1014 68%);
  color: #F6F3EE;
  overflow: hidden;
}

.tech-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(159, 216, 232, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 216, 232, 0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 88%);
  pointer-events: none;
}

.tech-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
}

.tech-kicker {
  margin: 0 0 12px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--gold-light);
}

.tech-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: #FFFFFF;
}

.tech-desc {
  margin: 0 0 24px;
  max-width: 46ch;
  color: rgba(246, 243, 238, 0.76);
  font-size: 1rem;
}

.tech-slide-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.tech-pill {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.82rem;
  transition: all 0.2s ease;
}

.tech-pill.is-active,
.tech-pill:hover {
  background: rgba(181, 148, 107, 0.28);
  border-color: var(--gold-light);
  color: #FFFFFF;
}

.tech-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  align-items: center;
  gap: 18px;
}

.scan-frame {
  position: relative;
  height: clamp(300px, 42vh, 430px);
  border-radius: 22px;
  background: radial-gradient(circle at center, rgba(159, 216, 232, 0.1) 0%, rgba(13, 16, 20, 0.6) 72%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.tech-canvas {
  width: 100%;
  height: 100%;
}

.scan-beam {
  position: absolute;
  left: 6%;
  right: 6%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, #9FD8E8 50%, transparent 100%);
  box-shadow: 0 0 18px rgba(159, 216, 232, 0.85);
  animation: scanSweep 4.2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes scanSweep {
  0%, 100% { top: 14%; opacity: 0.4; }
  50% { top: 84%; opacity: 1; }
}

.scan-corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: rgba(159, 216, 232, 0.55);
  border-style: solid;
  pointer-events: none;
}
.scan-corner.tl { top: 14px; left: 14px; border-width: 1.5px 0 0 1.5px; }
.scan-corner.tr { top: 14px; right: 14px; border-width: 1.5px 1.5px 0 0; }
.scan-corner.bl { bottom: 14px; left: 14px; border-width: 0 0 1.5px 1.5px; }
.scan-corner.br { bottom: 14px; right: 14px; border-width: 0 1.5px 1.5px 0; }

.tech-hud {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hud-card {
  padding: 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(10px);
}

.hud-label {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.58);
  margin-bottom: 6px;
}

.hud-value {
  display: block;
  font-size: 0.86rem;
  font-weight: 500;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.hud-bar {
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.hud-bar span {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--gold-light), var(--cyan-xray));
}

.tech-dots {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 34px;
}

.tech-dots .dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.25);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.tech-dots .dot.is-active {
  background: var(--gold-light);
  transform: scale(1.25);
}

/* ==========================================================================
   PILARES (3 Tarjetas)
   ========================================================================== */
.pillars-section {
  background: var(--bg-ivory);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.pillar-card {
  border-radius: var(--radius-lg);
  padding: 32px 26px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 360px;
  border: 1px solid rgba(141, 114, 87, 0.14);
  box-shadow: var(--shadow-soft);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.pillar-card--warm {
  background: linear-gradient(165deg, #6E7678 0%, #92877B 100%);
  color: #FAF8F4;
}

.pillar-card--stone {
  background: linear-gradient(165deg, #F3EDE3 0%, #E5DACB 100%);
}

.pillar-card--ivory {
  background: linear-gradient(165deg, #FFFFFF 0%, #EFE8DC 100%);
}

.pillar-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.pillar-card p {
  margin: 0;
  font-size: 0.93rem;
  opacity: 0.88;
}

.pillar-art {
  margin: 22px 0;
  display: flex;
  justify-content: center;
}

.pillar-btn {
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(141, 114, 87, 0.28);
  background: rgba(255, 255, 255, 0.86);
  color: var(--text-main);
  font-size: 0.86rem;
  font-weight: 500;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.pillar-btn:hover {
  background: var(--gold-deep);
  color: #FAF8F4;
  border-color: var(--gold-deep);
}

/* ==========================================================================
   FAQ SECTION (SEO & CONVERSIÓN)
   ========================================================================== */
.faq-section {
  background: var(--bg-beige);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.faq-intro .section-lead {
  margin: 14px 0 24px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border-soft);
  padding: 18px 22px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: var(--gold-accent);
  box-shadow: var(--shadow-soft);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.35rem;
  font-weight: 300;
  color: var(--gold-deep);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  margin: 12px 0 0;
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* ==========================================================================
   FINAL CTA BANNER
   ========================================================================== */
.final-cta {
  position: relative;
  padding-block: clamp(80px, 11vw, 130px);
  background: radial-gradient(circle at 50% 45%, #8D7963 0%, #594B3E 58%, #3D332B 100%);
  color: #FAF8F4;
  text-align: center;
  overflow: hidden;
}

.final-cta-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 55%, rgba(255, 240, 214, 0.24) 0%, transparent 62%);
  pointer-events: none;
}

.final-cta-inner {
  position: relative;
  z-index: 2;
}

.final-cta-eyebrow {
  margin: 0 0 14px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-light);
}

.final-cta-title {
  margin: 0 auto 24px;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 4.4vw, 3.6rem);
  line-height: 1.1;
}

.final-cta-arc {
  width: min(560px, 84%);
  height: 28px;
  margin: 0 auto 28px;
  border-bottom: 1.5px solid rgba(255, 240, 214, 0.45);
  border-radius: 50%;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--bg-ivory);
  padding-top: 64px;
  padding-bottom: calc(32px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--border-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-soft);
}

.footer-doctor {
  margin: 14px 0 0;
  max-width: 34ch;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-col h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-main);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--gold-deep);
}

.footer-address {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-hours {
  margin: 0 0 12px;
  font-size: 0.88rem;
  color: var(--text-main);
  font-weight: 500;
}

.footer-map-link {
  display: inline-block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--gold-deep) !important;
}

.footer-phone {
  margin: 0 0 14px;
  font-size: 1.05rem;
  font-weight: 600;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: 22px;
  font-size: 0.82rem;
  color: var(--text-soft);
}

.footer-bottom p {
  margin: 0;
}

/* ==========================================================================
   WHATSAPP FLOATING BUTTON & PILLAR MODAL
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  right: max(20px, env(safe-area-inset-right, 20px));
  bottom: max(20px, env(safe-area-inset-bottom, 20px));
  z-index: 80;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #FFFFFF;
  border: none;
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.44), 0 4px 12px rgba(0, 0, 0, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.28s ease, background-color 0.2s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.06);
  background: #20BA5A;
  box-shadow: 0 14px 32px rgba(37, 211, 102, 0.58), 0 6px 16px rgba(0, 0, 0, 0.16);
  color: #FFFFFF;
}

.whatsapp-float svg {
  width: 34px;
  height: 34px;
  display: block;
}

.pillar-modal {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: grid;
  place-items: center;
  padding: 20px;
}

.pillar-modal[hidden] {
  display: none;
}

.pillar-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 18, 15, 0.55);
  backdrop-filter: blur(6px);
}

.pillar-modal-card {
  position: relative;
  z-index: 2;
  width: min(480px, 100%);
  padding: 32px 28px;
  border-radius: 24px;
  background: var(--bg-ivory);
  border: 1px solid var(--border-soft);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.25);
}

.pillar-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pillar-modal-close svg {
  width: 18px;
  height: 18px;
}

.pillar-modal-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 500;
}

.pillar-modal-card p {
  margin: 0 0 24px;
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (PC, Tablets, Android, iPhone / Apple)
   ========================================================================== */
@media (max-width: 1080px) {
  .services-track {
    grid-auto-columns: calc((100% - 40px) / 3);
  }

  .tech-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .desktop-nav,
  .header-cta {
    display: none;
  }

  .hamburger-btn {
    display: inline-flex;
  }

  .hero {
    position: relative;
    padding-top: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 18px);
    padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px));
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 18px;
  }

  .hero-subtitle {
    margin-inline: auto;
  }

  .hero-cta-row,
  .hero-trust {
    justify-content: center;
  }

  .hero-stage {
    height: clamp(280px, 42vh, 380px);
  }

  .callout-top-right {
    top: 4%;
    right: 0;
  }

  .callout-bottom-left {
    bottom: 14%;
    left: 0;
  }

  .services-track {
    grid-auto-columns: calc((100% - 16px) / 2);
  }

  .carousel-prev { left: 4px; }
  .carousel-next { right: 4px; }

  .pillars-grid {
    grid-template-columns: 1fr;
  }

  .pillar-card {
    min-height: auto;
  }

  .tech-stage {
    grid-template-columns: 1fr;
  }

  .tech-hud {
    flex-direction: row;
  }

  .hud-card {
    flex: 1;
  }
}

@media (max-width: 560px) {
  .services-track {
    grid-auto-columns: 82%;
  }

  .floating-callout {
    padding: 7px 10px;
    font-size: 0.72rem;
  }

  .callout-line {
    display: none;
  }

  .tech-hud {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-height: 680px) {
  .hero {
    position: relative;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .floating-callout,
  .scroll-wheel,
  .scan-beam {
    animation: none;
  }
}