/* Alto · cabañas de montaña (demo) — sistema de diseño propio.
   Deliberadamente distinto de los defaults de IA: el fondo oscuro es índigo-
   noche (con tinte azul, no negro neutro) y el acento es ámbar de fogata
   (no neón). Marcellus + Karla + Space Mono. */

:root {
    --noche:  #141b2e;   /* cielo nocturno, índigo — no negro neutro */
    --niebla: #7d8ba3;   /* gris-azulado frío, niebla/montaña media */
    --fogata: #e8a355;   /* ámbar cálido — CTA y farol */
    --brasa:  #c9632f;   /* ámbar profundo, hover/sombra */
    --nieve:  #eef1f4;   /* blanco frío (no crema) para secciones claras */
    --musgo:  #3f5246;   /* verde pino, acento secundario, uso comedido */

    --display: 'Marcellus', Georgia, serif;
    --texto:   'Karla', system-ui, sans-serif;
    --datos:   'Space Mono', ui-monospace, monospace;

    --ease-out: cubic-bezier(.23, 1, .32, 1);
    --ease-in-out: cubic-bezier(.77, 0, .175, 1);

    color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--texto);
    color: var(--noche);
    background: var(--nieve);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.14; margin: 0; }
p { margin: 0; }
a { color: inherit; }
svg { display: block; }

.saltar {
    position: absolute; left: -999px; top: 0; z-index: 200;
    background: var(--noche); color: var(--nieve); padding: .8rem 1.2rem; border-radius: 0 0 10px 0;
}
.saltar:focus { left: 0; }
:focus-visible { outline: 3px solid var(--fogata); outline-offset: 2px; }

.eyebrow {
    font-family: var(--datos); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase;
    color: var(--brasa); margin-bottom: .7rem;
}
.eyebrow--claro { color: var(--fogata); }

/* ===================== Cabecera ===================== */
.barra {
    position: sticky; top: 0; z-index: 40;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.2rem 2.4rem;
    background: rgba(238, 241, 244, .86); backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(20, 27, 46, .08);
}
.marca { font-family: var(--display); font-size: 1.4rem; text-decoration: none; color: var(--noche); letter-spacing: .02em; }
.barra nav { display: flex; gap: 2rem; }
.barra nav a { text-decoration: none; font-size: .92rem; color: var(--noche); opacity: .78; }
.barra nav a:hover { opacity: 1; }
.barra__cta {
    font-size: .86rem; font-weight: 600; text-decoration: none; color: var(--noche);
    background: var(--fogata); padding: .65rem 1.15rem; border-radius: 100px;
    transition: transform 160ms var(--ease-out), background 160ms ease;
}
.barra__cta:hover { background: var(--brasa); color: var(--nieve); }
.barra__cta:active { transform: scale(.97); }

/* ===================== Hero fotográfico ===================== */
.hero {
    position: relative; isolation: isolate; min-height: 94vh; overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    background: #0d1220;
    color: var(--nieve); padding: 0 2.4rem;
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(180deg, rgba(7, 11, 20, .3) 0%, rgba(7, 11, 20, .18) 43%, rgba(7, 11, 20, .68) 100%),
        radial-gradient(circle at 50% 46%, rgba(13, 18, 32, .08) 0%, rgba(13, 18, 32, .42) 76%);
    pointer-events: none;
}
.hero__media {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}
.hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 58%;
    filter: saturate(.88) contrast(1.04);
}

.farol {
    position: absolute; left: 52%; bottom: 21%; width: 7px; height: 7px; border-radius: 1px; z-index: 2;
    background: var(--fogata);
    box-shadow: 0 0 10px 3px rgba(232, 163, 85, .55);
    animation: respirar 3.6s ease-in-out infinite;
}
@keyframes respirar {
    0%, 100% { opacity: .75; box-shadow: 0 0 8px 2px rgba(232, 163, 85, .4); }
    50%      { opacity: 1;   box-shadow: 0 0 14px 4px rgba(232, 163, 85, .7); }
}
.farol--pie {
    position: static; display: inline-block; margin-bottom: 1.4rem; width: 8px; height: 8px;
}

.hero__contenido { position: relative; z-index: 3; max-width: 42rem; text-align: center; }
.hero .eyebrow { color: var(--fogata); }
.hero h1 { font-size: clamp(2.3rem, 5.4vw, 3.7rem); }
.hero h1 em { font-style: italic; color: var(--fogata); }
.hero__texto { margin: 1.4rem auto 0; max-width: 32rem; font-size: 1.08rem; color: rgba(238, 241, 244, .8); }
.hero__acciones { display: flex; gap: .9rem; justify-content: center; margin-top: 2.1rem; flex-wrap: wrap; }
.hero__guia {
    position: absolute; z-index: 3; bottom: 1.6rem; left: 50%; transform: translateX(-50%);
    font-size: .78rem; color: rgba(238, 241, 244, .55); letter-spacing: .04em;
}

.boton {
    display: inline-flex; align-items: center; gap: .5rem; text-decoration: none;
    padding: .95rem 1.7rem; border-radius: 100px; font-weight: 600; font-size: .95rem;
    transition: transform 160ms var(--ease-out), background 160ms ease, box-shadow 160ms ease;
}
.boton:active { transform: scale(.97); }
.boton--fogata { background: var(--fogata); color: #1a1004; box-shadow: 0 10px 26px rgba(232, 163, 85, .3); }
.boton--fogata:hover { background: var(--brasa); color: var(--nieve); box-shadow: 0 14px 32px rgba(201, 99, 47, .4); }
.boton--fantasma { background: transparent; color: var(--nieve); border: 1.5px solid rgba(238, 241, 244, .38); }
.boton--fantasma:hover { border-color: var(--nieve); }
.boton--grande { padding: 1.15rem 2.1rem; font-size: 1.02rem; }

/* ===================== Secciones genéricas ===================== */
.presentacion, .seccion, .reservar { max-width: 66rem; margin: 0 auto; padding: 5.5rem 2.4rem; }
.presentacion { text-align: center; }
.presentacion h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin: 0 auto .9rem; }
.presentacion p { max-width: 38rem; margin: 0 auto; color: rgba(20, 27, 46, .68); font-size: 1.04rem; }

.seccion__cabecera { text-align: center; margin-bottom: 3rem; }
.seccion__cabecera h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }

.cabanas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.cabana {
    background: #fff; border: 1px solid rgba(20, 27, 46, .08); border-radius: 16px;
    padding: 0; text-align: left; overflow: hidden;
    transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}
.cabana:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(20, 27, 46, .1); }
.cabana__visual {
    width: 100%;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background: var(--noche);
}
.cabana__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 260ms var(--ease-out), filter 260ms var(--ease-out);
}
.cabana__contenido { padding: 1.45rem 1.5rem 1.6rem; }
.cabana h3 { font-size: 1.18rem; margin-bottom: .5rem; }
.cabana p { color: rgba(20, 27, 46, .66); font-size: .94rem; margin-bottom: .9rem; }
.cabana b { font-family: var(--datos); font-size: .84rem; color: var(--brasa); }
@media (hover: hover) and (pointer: fine) {
    .cabana:hover .cabana__visual img { transform: scale(1.025); filter: saturate(1.04); }
}

/* ===================== Confianza ===================== */
.confianza {
    background: var(--noche); color: var(--nieve);
    display: grid; grid-template-columns: 1.1fr 1.4fr; gap: 3rem; align-items: center;
    padding: 5.5rem 2.4rem;
}
.confianza__texto { max-width: 30rem; }
.confianza h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); }
.confianza__texto p { margin-top: 1rem; color: rgba(238, 241, 244, .74); }
.vitales { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.vital {
    border: 1px solid rgba(238, 241, 244, .16); border-radius: 14px; padding: 1.4rem 1rem; text-align: center;
    background: rgba(238, 241, 244, .04);
}
.vital b { display: block; font-family: var(--datos); font-size: 1.8rem; color: var(--fogata); }
.vital span { display: block; margin-top: .4rem; font-size: .8rem; color: rgba(238, 241, 244, .68); }

/* ===================== Testimonio ===================== */
.testimonio {
    max-width: 44rem; margin: 0 auto; padding: 4rem 2.4rem; text-align: center;
}
.testimonio p {
    font-family: var(--display); font-size: clamp(1.3rem, 2.6vw, 1.7rem); font-style: italic;
    color: var(--noche); line-height: 1.4;
}
.testimonio cite {
    display: block; margin-top: 1.1rem; font-family: var(--datos); font-style: normal;
    font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--niebla);
}

/* ===================== Reservar (CTA final) ===================== */
.reservar { text-align: center; position: relative; }
.reservar h2 { font-size: clamp(1.8rem, 3.8vw, 2.6rem); margin: .2rem 0 1rem; }
.reservar p { max-width: 32rem; margin: 0 auto 2rem; color: rgba(20, 27, 46, .7); }

/* ===================== Footer ===================== */
footer {
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
    padding: 2.4rem; border-top: 1px solid rgba(20, 27, 46, .1); font-size: .86rem; color: rgba(20, 27, 46, .58);
}
footer a { text-decoration: none; }
footer .marca { color: var(--noche); font-size: 1.1rem; }

/* ===================== Animaciones de entrada (patrón anim-v1) ===================== */
.js .hero-entrada, .js .revelar, .js .cabanas > *, .js .vitales > * {
    opacity: 0; transform: translateY(1.4rem);
    transition: opacity .65s ease, transform .65s var(--ease-out);
    transition-delay: var(--rvl-d, 0ms);
}
.js .en { opacity: 1 !important; transform: none !important; }
.js.anim-fallback .hero-entrada, .js.anim-fallback .revelar,
.js.anim-fallback .cabanas > *, .js.anim-fallback .vitales > * { opacity: 1; transform: none; }

@media (max-width: 900px) {
    .barra { padding: 1rem 1.3rem; }
    .barra nav { display: none; }
    .cabanas { grid-template-columns: 1fr; }
    .confianza { grid-template-columns: 1fr; }
    .presentacion, .seccion, .reservar, .confianza { padding: 3.5rem 1.3rem; }
    .vitales { grid-template-columns: 1fr; }
    .hero__guia { display: none; }
    .hero__media img { object-position: 67% center; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .farol { animation: none; }
    * , *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}