/* ===================================================
   VARIABLES & RESET
   =================================================== */
:root {
  --clr-bg:       #F8F6F3;
  --clr-bg-alt:   #FFFFFF;
  --clr-navy:     #1B2A4A;
  --clr-navy-lt:  #2E4270;
  --clr-gold:     #B8975A;
  --clr-gold-lt:  #D4B07C;
  --clr-text:     #2C2C2C;
  --clr-muted:    #6B6B6B;
  --clr-border:   #E5E1DB;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, -apple-system, sans-serif;

  --r-card:  12px;
  --r-pill:  100px;

  --gap-xs:  0.5rem;
  --gap-sm:  1rem;
  --gap-md:  1.75rem;
  --gap-lg:  3rem;
  --gap-xl:  5rem;

  --max-content: 680px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 56px; /* nav height */
}

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ===================================================
   HERO
   =================================================== */
.hero {
  background: var(--clr-navy);
  background-image: linear-gradient(158deg, #243559 0%, #0E1929 100%);
  color: #fff;
  padding: 2.25rem 1.5rem 2rem;
  text-align: center;
}

.hero-inner {
  max-width: var(--max-content);
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 5.5vw, 2.4rem);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: #F5F2ED;
  margin-bottom: 0.5rem;
}

.hero-sub {
  font-size: 0.85rem;
  font-weight: 300;
  color: rgba(255,255,255,0.62);
  letter-spacing: 0.02em;
}

.hero-sub strong {
  font-weight: 500;
  color: rgba(255,255,255,0.88);
  letter-spacing: 0.01em;
}

.hero-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 151, 90, 0.4);
  transition: border-color 0.18s;
}

.hero-link:hover {
  border-bottom-color: var(--clr-gold-lt);
}

.hero-date {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--clr-gold-lt);
  letter-spacing: 0.05em;
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(184, 151, 90, 0.25);
  opacity: 0.95;
}

/* ===================================================
   SECTION NAV
   =================================================== */
.section-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--clr-border);
  padding: 0.6rem 0;
}

.nav-scroll {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding: 0 1.5rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    black 1.5rem,
    black calc(100% - 1.5rem),
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0,
    black 1.5rem,
    black calc(100% - 1.5rem),
    transparent 100%
  );
}

.nav-scroll::-webkit-scrollbar {
  display: none;
}

.nav-pill {
  flex-shrink: 0;
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--clr-navy);
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--clr-border);
  border-radius: var(--r-pill);
  padding: 0.35em 0.9em;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}

.nav-pill:hover,
.nav-pill:focus-visible {
  background: var(--clr-navy);
  color: #fff;
  border-color: var(--clr-navy);
  outline: none;
}

/* ===================================================
   SECTIONS
   =================================================== */
.section {
  background: var(--clr-bg-alt);
  padding: var(--gap-lg) 1.25rem;
}

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

.section-inner {
  max-width: var(--max-content);
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  font-weight: 400;
  color: var(--clr-navy);
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--clr-border);
}

.section-intro {
  font-size: 0.88rem;
  color: var(--clr-muted);
  line-height: 1.7;
  margin-bottom: var(--gap-md);
}

/* ===================================================
   CASES GRID
   =================================================== */
.cases {
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
}

.case {
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--r-card);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

.section-alt .case {
  background: var(--clr-bg-alt);
}

.case-text {
  padding: 1rem 1.25rem 1.25rem;
}

.case-text h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--clr-navy);
  margin-bottom: 0.4rem;
}

.case-text p {
  font-size: 0.83rem;
  color: var(--clr-muted);
  line-height: 1.65;
}

/* ===================================================
   BEFORE / AFTER IMAGES
   =================================================== */
.ba-wrap {
  position: relative;
  overflow: hidden;
  background: #0a0a0a;
}

.ba-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.ba-labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Horizontal composites: labels at bottom corners */
.ba-horizontal .ba-labels {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
}

/* Vertical composites: labels at top-right and bottom-right */
.ba-vertical .ba-labels {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
}

/* Single image: just bottom */
.ba-single .ba-labels {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 0.6rem 0.75rem;
  gap: 0;
}

.ba-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3em 0.7em;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.ba-before {
  background: rgba(0, 0, 0, 0.62);
  color: #fff;
}

.ba-after {
  background: rgba(27, 42, 74, 0.80);
  color: #fff;
}

.ba-placeholder {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(0deg, rgba(27,42,74,0.88) 0%, rgba(27,42,74,0.2) 100%);
  color: rgba(255,255,255,0.85);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-align: center;
  padding: 1.25rem 1rem 1rem;
  pointer-events: none;
}

/* ===================================================
   VIDEO SECTION
   =================================================== */
.video-wrap {
  position: relative;
  border-radius: var(--r-card);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--clr-border);
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
  margin-bottom: 0.75rem;
}

.video-wrap video {
  display: block;
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
}

.video-play-btn {
  display: none;
}

@media (min-width: 640px) {
  .video-play-btn {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-navy);
    box-shadow: 0 4px 28px rgba(0, 0, 0, 0.35);
    z-index: 2;
    transition: transform 0.18s, background 0.18s;
    padding-left: 4px;
  }
}

.video-play-btn:hover {
  transform: scale(1.1);
  background: #fff;
}

.video-play-btn[hidden] {
  display: none;
}

.video-note {
  font-size: 0.75rem;
  color: var(--clr-muted);
  text-align: center;
}

/* ===================================================
   FOOTER
   =================================================== */
.footer {
  background: var(--clr-navy);
  color: rgba(255,255,255,0.7);
  padding: var(--gap-md) 1.5rem;
  text-align: center;
}

.footer-inner {
  max-width: var(--max-content);
  margin: 0 auto;
}

.footer-clinic {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 0.75rem;
  letter-spacing: 0.04em;
}

.footer-disclaimer {
  font-size: 0.72rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.55);
}

/* ===================================================
   MULTI-PHOTO CASE LAYOUTS
   =================================================== */
.case-photos {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.case-photos-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
}

/* Grid images: abbreviated labels (A / D) — same pill style, repositioned */
.case-photos-row .ba-label {
  padding: 0.28rem 0.6rem;
  font-size: 0;
  line-height: 1;
}

.case-photos-row .ba-before::before {
  content: 'A';
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  line-height: 1;
}

.case-photos-row .ba-after::before {
  content: 'D';
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  line-height: 1;
}

/* Switch to absolute per-label positioning (overrides flex layout) */
.case-photos-row .ba-horizontal .ba-labels,
.case-photos-row .ba-vertical .ba-labels {
  display: block;
  padding: 0;
}

/* Horizontal: A bottom-left of left half, D bottom-left of right half */
.case-photos-row .ba-horizontal .ba-before {
  position: absolute;
  bottom: 6px;
  left: 6px;
}

.case-photos-row .ba-horizontal .ba-after {
  position: absolute;
  bottom: 6px;
  left: calc(50% + 4px);
}

/* Vertical: A bottom-left of top half, D bottom-left of bottom half */
.case-photos-row .ba-vertical .ba-before {
  position: absolute;
  bottom: calc(50% + 4px);
  left: 6px;
}

.case-photos-row .ba-vertical .ba-after {
  position: absolute;
  bottom: 6px;
  left: 6px;
}

/* Primary row (armonización fila 1): single shared labels floating over the row */
.case-photos-row--center-labels {
  position: relative;
}

.row-labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.row-labels .ba-label {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  padding: 0.3em 0.7em;
}

.row-labels .ba-before::before,
.row-labels .ba-after::before {
  content: none;
}

.row-labels .ba-before {
  bottom: calc(50% + 6px);
}

.row-labels .ba-after {
  bottom: 10px;
}

/* ===================================================
   TABLET / DESKTOP ENHANCEMENTS
   =================================================== */
@media (min-width: 640px) {
  .hero {
    padding: 3rem 2rem 2.75rem;
  }

  .section {
    padding: var(--gap-xl) 2rem;
  }

  .case-text {
    padding: 1.25rem 1.5rem 1.5rem;
  }

  .cases-single {
    max-width: 480px;
    margin: 0 auto;
  }
}

/* ===================================================
   LIGHTBOX
   =================================================== */
#lb {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

#lb.open {
  display: flex;
}

#lb img {
  max-width: 95vw;
  max-height: 90vh;
  object-fit: contain;
  cursor: default;
  border-radius: 4px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
}

#lb-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.75rem;
  height: 2.75rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  transition: background 0.18s;
}

#lb-close:hover {
  background: rgba(255, 255, 255, 0.26);
}

/* ===================================================
   TABLET / DESKTOP ENHANCEMENTS
   =================================================== */
@media (min-width: 900px) {
  /* Cuadrícula de dos columnas; las filas se estiran para igualar altura */
  .cases:not(.cases-single) {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap-md);
  }

  /* Card en flex-column: el área de imagen crece y el pie queda abajo */
  .cases:not(.cases-single) .case {
    display: flex;
    flex-direction: column;
  }

  /* Tanto .case-photos como .ba-wrap directo en .case crecen para llenar */
  .cases:not(.cases-single) .case > .case-photos,
  .cases:not(.cases-single) .case > .ba-wrap {
    flex: 1;
    min-height: 0;
  }

  /* Centra verticalmente el contenido cuando no llena el espacio */
  .cases:not(.cases-single) .case > .case-photos {
    justify-content: center;
  }

  /* .ba-wrap directo en .case-photos también crece */
  .cases:not(.cases-single) .case-photos > .ba-wrap {
    flex: 1;
    min-height: 0;
  }

  /* Fondo transparente: franjas del color de la card, no negro */
  .cases:not(.cases-single) .case > .ba-wrap,
  .cases:not(.cases-single) .case-photos > .ba-wrap {
    background: transparent;
  }

  /* Imagen centrada con franjas si el contenedor es más alto */
  .cases:not(.cases-single) .case > .ba-wrap img,
  .cases:not(.cases-single) .case-photos > .ba-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  /* Nav centrada cuando todos los pills caben en pantalla */
  .nav-scroll {
    justify-content: center;
  }

  /* Vídeo centrado a tamaño razonable */
  .video-wrap {
    max-width: 400px;
    margin: 0 auto 0.75rem;
  }
}