/* ============================================================
   Turismo es Vida SAS — Estilos principales
   Paleta: trópico andino
   ============================================================ */

:root{
  --crema:        #FFF8EC;
  --verde-selva:  #1F3D2B;
  --verde-hoja:   #4A7C3F;
  --verde-lima:   #A8C66C;
  --verde-suave:  #EAF0E4;
  --tierra:       #B5643C;
  --naranja-cta:  #E58A35;
  --vino:         #7A2E2E;
  --agua:         #2E6E7A;
  --texto:        #22301F;
  --texto-suave:  #5A6B54;

  --serif: "Fraunces", Georgia, serif;
  --sans:  "Inter", system-ui, -apple-system, sans-serif;

  --radio: 14px;
  --radio-lg: 24px;
  --sombra: 0 10px 30px rgba(31,61,43,.08);
  --sombra-fuerte: 0 20px 50px rgba(31,61,43,.18);
  --max: 1180px;
  --max-estrecho: 760px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--texto);
  background:var(--crema);
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--agua);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer}

h1,h2,h3{font-family:var(--serif);color:var(--verde-selva);line-height:1.15;font-weight:600}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem);margin-bottom:.6em}
h3{font-size:1.25rem;margin-bottom:.4em}

.contenedor{max-width:var(--max);margin:0 auto;padding:0 24px}
.contenedor--estrecho{max-width:var(--max-estrecho)}
.seccion{padding:96px 0}
.seccion--suave{background:var(--verde-suave)}
.centrado{text-align:center}
.subtitulo{
  color:var(--texto-suave);
  max-width:620px;
  margin:0 auto 56px;
}

/* Botones */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:14px 26px;border-radius:999px;
  font-weight:600;font-size:.98rem;
  border:none;cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  text-align:center;
}
.btn--primario{background:var(--naranja-cta);color:#fff;box-shadow:0 8px 20px rgba(229,138,53,.35)}
.btn--primario:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(229,138,53,.45);text-decoration:none;color:#fff}
.btn--fantasma{background:transparent;color:var(--verde-selva);border:1.5px solid var(--verde-selva)}
.btn--fantasma:hover{background:var(--verde-selva);color:var(--crema);text-decoration:none}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,248,236,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(31,61,43,.08);
}
.header__inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:var(--max);margin:0 auto;
}
.header__logo{display:flex;align-items:baseline;gap:6px;text-decoration:none}
.header__logo-marca{font-family:var(--serif);font-weight:700;font-size:1.05rem;color:var(--vino);letter-spacing:.02em}
.header__logo-marca em{font-style:normal;color:var(--naranja-cta)}
.header__logo-sas{font-size:.72rem;color:var(--verde-hoja);font-weight:600;letter-spacing:.14em}
.header__nav{display:flex;gap:26px;align-items:center}
.header__nav a{color:var(--verde-selva);font-weight:500;font-size:.95rem}
.header__nav a:hover{color:var(--naranja-cta);text-decoration:none}
.header__lang{
  font-size:.8rem;font-weight:600;letter-spacing:.1em;
  padding:4px 10px;border:1px solid rgba(31,61,43,.2);border-radius:6px;
}
.header__cta{padding:10px 20px;font-size:.9rem;color:#fff}
.header__cta:hover{color:#fff}

.header__burger{
  display:none;background:none;border:none;
  flex-direction:column;gap:5px;padding:8px;
}
.header__burger span{
  display:block;width:24px;height:2px;background:var(--verde-selva);
  transition:transform .25s ease;
}

@media(max-width:900px){
  .header__nav{display:none}
  .header__burger{display:flex}
}
@media(max-width:520px){
  .header__logo-marca{font-size:.95rem}
}

/* ============================================================
   HERO 3D
   ============================================================ */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
  background:linear-gradient(180deg,#DCE9D2 0%, #EAF0E4 45%, #FFF8EC 100%);
  perspective: 1200px;
  perspective-origin: 50% 40%;
  padding:120px 0 40px;
}
.hero__capa{
  position:absolute;inset:0;
  will-change:transform;
  pointer-events:none;
}
.hero__capa--fondo{
  background:
    radial-gradient(ellipse at 20% 30%, rgba(74,124,63,.35), transparent 55%),
    radial-gradient(ellipse at 80% 60%, rgba(46,110,122,.25), transparent 55%);
  transform: translateZ(-300px) scale(1.4);
}
.hero__capa--montanas{
  background:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 400' preserveAspectRatio='none'><path d='M0,400 L0,220 Q180,120 360,200 T720,180 T1080,220 T1440,160 L1440,400 Z' fill='%234A7C3F' opacity='0.55'/><path d='M0,400 L0,280 Q240,180 480,260 T960,240 T1440,220 L1440,400 Z' fill='%231F3D2B' opacity='0.75'/></svg>") bottom/100% auto no-repeat;
  transform: translateZ(-180px) scale(1.25);
}
.hero__capa--niebla{
  background:radial-gradient(ellipse at 50% 70%, rgba(255,248,236,.9), transparent 60%);
  mix-blend-mode:screen;
  transform: translateZ(-80px) scale(1.1);
  animation: respirar 9s ease-in-out infinite;
}
.hero__capa--hojas{
  background:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 400'><g fill='none' stroke='%231F3D2B' stroke-width='2' opacity='0.35'><path d='M60,340 Q120,240 200,200 Q140,180 80,200 Q120,260 60,340Z'/><path d='M340,80 Q280,160 220,200 Q280,220 340,200 Q300,140 340,80Z'/></g></svg>") top right/280px no-repeat,
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 400'><g fill='none' stroke='%234A7C3F' stroke-width='2' opacity='0.35'><path d='M60,340 Q120,240 200,200 Q140,180 80,200 Q120,260 60,340Z'/></g></svg>") bottom left/220px no-repeat;
  transform: translateZ(20px);
}
@keyframes respirar{0%,100%{opacity:.7}50%{opacity:1}}

.hero__contenido{
  position:relative;z-index:5;
  text-align:center;
  max-width:820px;padding:0 24px;
  transform: translateZ(60px);
}
.hero__eyebrow{
  display:inline-block;
  font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--verde-hoja);font-weight:600;
  padding:8px 16px;border-radius:999px;
  background:rgba(168,198,108,.25);
  margin-bottom:24px;
}
.hero__titulo{margin-bottom:20px}
.hero__titulo em{font-style:italic;color:var(--tierra)}
.hero__subtitulo{
  font-size:1.12rem;color:var(--texto-suave);
  max-width:600px;margin:0 auto 36px;
}
.hero__acciones{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

.scroll-hint{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--verde-hoja);opacity:.7;
  animation: flotar 2.4s ease-in-out infinite;
}
@keyframes flotar{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ============================================================
   TRES PUERTAS
   ============================================================ */
.puertas{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.puerta{
  background:#fff;border-radius:var(--radio-lg);
  padding:36px 28px;
  box-shadow:var(--sombra);
  border-top:4px solid var(--verde-hoja);
  transition:transform .3s ease, box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.puerta:hover{transform:translateY(-6px);box-shadow:var(--sombra-fuerte)}
.puerta--medico{border-top-color:var(--agua)}
.puerta--tours{border-top-color:var(--naranja-cta)}
.puerta__icono{
  width:56px;height:56px;border-radius:50%;
  background:var(--verde-suave);
  display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;margin-bottom:20px;
}
.puerta--medico .puerta__icono{background:rgba(46,110,122,.12)}
.puerta--tours .puerta__icono{background:rgba(229,138,53,.14)}
.puerta h3{margin-bottom:10px}
.puerta p{color:var(--texto-suave);font-size:.95rem;margin-bottom:22px;flex-grow:1}
.puerta__link{font-weight:600;color:var(--verde-hoja);font-size:.95rem}
.puerta--medico .puerta__link{color:var(--agua)}
.puerta--tours .puerta__link{color:var(--tierra)}
.puerta__link:hover{text-decoration:none;color:var(--naranja-cta)}

@media(max-width:900px){.puertas{grid-template-columns:1fr}}

/* ============================================================
   REEL 3D
   ============================================================ */
.reel{
  position:relative;
  padding:80px 0 100px;
  overflow:hidden;
  background:linear-gradient(180deg,var(--crema) 0%, var(--verde-suave) 100%);
}
.reel__escenario{
  position:relative;
  height:420px;
  perspective:1400px;
  perspective-origin:50% 50%;
  display:flex;align-items:center;justify-content:center;
}
.reel__carrusel{
  position:relative;
  width:280px;height:380px;
  transform-style:preserve-3d;
  transition:transform .8s cubic-bezier(.25,.8,.25,1);
}
.reel__tarjeta{
  position:absolute;inset:0;
  border-radius:var(--radio-lg);
  overflow:hidden;
  box-shadow:var(--sombra-fuerte);
  background:var(--verde-selva);
  cursor:pointer;
  transition:filter .4s ease;
  backface-visibility:hidden;
}
.reel__tarjeta img{width:100%;height:100%;object-fit:cover}
.reel__tarjeta::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%, rgba(31,61,43,.85) 100%);
}
.reel__tarjeta__texto{
  position:absolute;bottom:0;left:0;right:0;
  padding:22px;color:#fff;z-index:2;
}
.reel__tarjeta__texto span{
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  opacity:.85;
}
.reel__tarjeta__texto h3{color:#fff;font-size:1.15rem;margin-top:4px}
.reel__tarjeta:not(.activa){filter:brightness(.6) saturate(.7)}

.reel__controles{
  display:flex;justify-content:center;gap:14px;margin-top:36px;
}
.reel__btn{
  width:46px;height:46px;border-radius:50%;
  background:#fff;border:1.5px solid rgba(31,61,43,.15);
  color:var(--verde-selva);font-size:1.1rem;
  display:flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.reel__btn:hover{background:var(--verde-selva);color:#fff;border-color:var(--verde-selva)}

@media(max-width:900px){
  .reel__escenario{height:auto;perspective:none;display:block;padding:0 24px}
  .reel__carrusel{
    width:100%;height:auto;
    display:flex;gap:16px;overflow-x:auto;
    scroll-snap-type:x mandatory;
    transform:none !important;
    padding-bottom:16px;
    -webkit-overflow-scrolling:touch;
  }
  .reel__tarjeta{
    position:relative;inset:auto;
    flex:0 0 78%;height:380px;
    scroll-snap-align:center;
    transform:none !important;
  }
  .reel__tarjeta:not(.activa){filter:none}
  .reel__controles{display:none}
}

/* ============================================================
   TIMELINE
   ============================================================ */
.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:40px}
.timeline::before{
  content:'';position:absolute;left:14px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--verde-lima),var(--verde-hoja));
}
.timeline__item{position:relative;padding-bottom:36px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{
  content:'';position:absolute;left:-33px;top:6px;
  width:14px;height:14px;border-radius:50%;
  background:var(--naranja-cta);border:3px solid var(--crema);
  box-shadow:0 0 0 2px var(--verde-hoja);
}
.timeline__item p{color:var(--texto-suave);font-size:.95rem}

/* ============================================================
   BLOQUE MÉDICO
   ============================================================ */
.medico{
  background:linear-gradient(135deg,var(--verde-selva) 0%, #162B1E 100%);
  color:var(--crema);
  border-radius:var(--radio-lg);
  padding:64px 48px;
  position:relative;overflow:hidden;
}
.medico::before{
  content:'';position:absolute;top:-80px;right:-80px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle, rgba(46,110,122,.5), transparent 70%);
}
.medico h2{color:var(--crema);position:relative}
.medico p{color:rgba(255,248,236,.85);position:relative;max-width:640px}
.medico__pasos{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin:40px 0 32px;position:relative;
}
.medico__paso{
  background:rgba(255,248,236,.07);
  border:1px solid rgba(255,248,236,.15);
  border-radius:var(--radio);padding:20px;
}
.medico__paso span{
  font-family:var(--serif);font-size:1.6rem;color:var(--verde-lima);
  display:block;margin-bottom:8px;
}
.medico__paso h3{color:var(--crema);font-size:1rem;margin-bottom:6px}
.medico__paso p{font-size:.85rem;color:rgba(255,248,236,.75)}
.medico__aviso{
  margin-top:24px;padding:16px 20px;
  background:rgba(229,138,53,.15);
  border-left:3px solid var(--naranja-cta);
  border-radius:8px;font-size:.85rem;
  color:rgba(255,248,236,.9);position:relative;
}
@media(max-width:900px){
  .medico{padding:40px 24px}
  .medico__pasos{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){.medico__pasos{grid-template-columns:1fr}}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  background:var(--verde-selva);color:rgba(255,248,236,.8);
  padding:64px 0 32px;font-size:.9rem;
}
.footer__aviso-ia{
  background:rgba(46,110,122,.25);
  border:1px solid rgba(168,198,108,.3);
  border-radius:10px;padding:14px 18px;
  margin-bottom:28px;font-size:.85rem;
  color:rgba(255,248,236,.9);
  display:flex;align-items:flex-start;gap:12px;
}
.footer__aviso-ia strong{color:var(--verde-lima)}
.footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  margin-bottom:48px;
}
.footer h4{
  color:var(--crema);font-family:var(--sans);font-weight:600;
  font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;
  margin-bottom:16px;
}
.footer a{color:rgba(255,248,236,.8);display:block;margin-bottom:8px}
.footer a:hover{color:var(--naranja-cta);text-decoration:none}
.footer__desc{color:rgba(255,248,236,.7)}
.footer__legal{
  border-top:1px solid rgba(255,248,236,.15);
  padding-top:24px;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:16px;
  font-size:.8rem;color:rgba(255,248,236,.6);
}
@media(max-width:820px){.footer__grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer__grid{grid-template-columns:1fr}}

/* ============================================================
   ACCESIBILIDAD
   ============================================================ */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .hero__capa{transform:none !important}
  .hero__contenido{transform:none !important}
}