/* Anton se carga desde Google Fonts (ver <head> de index.html) con font-display: swap. */
:root{color-scheme:dark;--gutter:24px;--header-height:100px}
*{box-sizing:border-box}
body{margin:0;background:#000;color:#fff;font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
a:focus-visible,button:focus-visible{outline:2px solid #fff;outline-offset:7px}

/* Hero */
.hero{position:relative;isolation:isolate;min-height:100svh;background:#000}
.hero__background{position:absolute;inset:0;z-index:-2;background:linear-gradient(135deg,#0a1a6b,#000);overflow:hidden}
.hero__poster,.hero__video,.fleet-scene__poster,.fleet-scene__video{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:65% center}
.hero__background::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.84) 0%,rgba(0,0,0,.73) 45%,rgba(0,0,0,.12) 82%,transparent 100%),linear-gradient(180deg,rgba(0,0,0,.62),transparent 23%,transparent 80%,rgba(0,0,0,.35))}

/* Header */
.header{position:absolute;inset:0 0 auto;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-height);padding:0 var(--gutter)}
.logo{font-family:Anton,Impact,'Arial Narrow',sans-serif;font-size:32px;line-height:1;letter-spacing:-.01em;display:inline-flex;align-items:flex-start;gap:4px}
.logo sup{font:11px Arial,sans-serif;line-height:1.2;margin-top:1px}
.desktop-nav{display:none;position:absolute;left:50%;transform:translateX(-50%);align-items:center;gap:28px;white-space:nowrap}
.desktop-nav a{font-size:14px;color:rgba(255,255,255,.8);transition:color 250ms}
.desktop-nav a:hover{color:#fff}
.header__actions{display:flex;align-items:center;gap:25px}
.explore{display:inline-flex;align-items:center;gap:24px;font-size:14px;border-bottom:1px solid rgba(255,255,255,.6);padding:9px 0}
.explore span{display:inline-block;transition:transform 250ms}
.explore:hover span{transform:translate(2px,-2px)}
.menu-toggle,.menu-close{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;width:44px;height:44px;padding:0;border:0;background:transparent}
.menu-toggle span,.menu-close span{height:1px;width:24px;background:#fff;display:block}

/* Contenido del hero */
.hero__body{min-height:100svh;display:flex;align-items:center;padding:calc(var(--header-height) + 40px) var(--gutter) 60px}
.hero__content{width:100%}
.eyebrow{font-size:11px;line-height:1.6;font-weight:400;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.8);margin:0 0 26px}
h1{font-family:Anton,Impact,'Arial Narrow',sans-serif;font-weight:400;font-size:clamp(3.5rem,11vw,9rem);line-height:.9;letter-spacing:-.01em;text-transform:uppercase;margin:0 0 26px}
.title-line{display:block;overflow:hidden;padding-block:.07em;margin-block:-.07em}
.title-word{display:block;width:fit-content;white-space:nowrap;transform-origin:bottom left}
.description{font-size:clamp(1rem,1.3vw,1.125rem);line-height:1.65;font-weight:400;max-width:42ch;color:rgba(255,255,255,.85);margin:0 0 28px;text-wrap:pretty}
.hero__actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.primary-button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:56px;padding:17px 20px;background:#000;border:1px solid rgba(255,255,255,.2);font-size:13px;transition:background 250ms,color 250ms}
.primary-button span{display:inline-block;font-size:20px;transition:transform 250ms}
.primary-button:hover{background:#fff;color:#000}
.primary-button:hover span{transform:translateX(4px)}
.seal{display:flex;align-items:center;gap:12px}
.seal__icon{display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.4);border-radius:50%;width:44px;height:44px;flex-shrink:0}
.seal__icon svg{width:24px;height:24px}
.seal__text{font-size:9px;line-height:1.9;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.85)}
.steps{display:flex;flex-wrap:wrap;column-gap:clamp(32px,4vw,70px);row-gap:20px;margin:36px 0 0}
.steps dt{font-family:Anton,Impact,'Arial Narrow',sans-serif;font-size:48px;line-height:1.15;letter-spacing:-.01em}
.steps dd{margin:8px 0 0;font-size:12px;line-height:1.5;color:rgba(255,255,255,.85)}

/* Animación de entrada */
.enter{animation:enter 700ms ease-out both;animation-delay:calc(var(--order)*80ms)}
.title-word{animation:title-enter 700ms ease-out both;animation-delay:calc(var(--order)*80ms)}
@keyframes enter{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes title-enter{from{opacity:0;transform:translateY(105%)}to{opacity:1;transform:translateY(0)}}

/* Menú móvil */
.mobile-menu{position:fixed;inset:0;width:100%;max-width:none;height:100%;height:100svh;max-height:none;margin:0;padding:0 var(--gutter) 40px;background:#000;color:#fff;border:0;overflow-y:auto}
.mobile-menu::backdrop{background:#000}
.mobile-menu__header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between}
.menu-close{position:relative;gap:0}
.menu-close span{position:absolute;transform:rotate(45deg)}
.menu-close span:last-child{transform:rotate(-45deg)}
.mobile-menu__links{min-height:calc(100% - var(--header-height));display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:24px;padding:28px 0}
.mobile-menu__links a{font-family:Anton,Impact,'Arial Narrow',sans-serif;font-size:clamp(2rem,8vw,4rem);text-transform:uppercase;line-height:1.25}
body.menu-open{overflow:hidden}

/* Scrollytelling: el hero queda fijo mientras el scroll recorre .voyage */
.voyage{position:relative}
.voyage.is-scroll-ready{height:var(--voyage-height)}
.voyage.is-scroll-ready .hero{position:sticky;top:var(--pin-top,0px)}
.voyage.is-scroll-ready .header{position:sticky;top:0;margin-bottom:calc(-1 * var(--header-height));background:linear-gradient(180deg,#000a,transparent)}
/* Los fundidos de cambio de escena son transiciones CSS: las anima el compositor del navegador
   a 60 fps aunque Chrome dibuje la página más lento (al arrastrar la barra de scroll). main.js solo
   marca el estado (data-intro, data-active); duran un poco menos que su reloj en main.js (0,7 s)
   para terminar antes de que la escena de debajo se saque de la página. */
.hero__body{transition:opacity .45s ease}
.hero[data-intro="off"] .hero__body{opacity:0}
.fleet-scene{position:absolute;inset:0;z-index:1;overflow:hidden;opacity:0;transition:opacity .65s cubic-bezier(.65,0,.35,1);will-change:opacity;pointer-events:none;background:#0a1a2a}
.fleet-scene[data-active="true"]{opacity:1}
/* Si la escena aparece en el mismo momento en que entra a la página, el fundido parte desde 0;
   salvo que vuelva debajo de otra (data-under): ahí entra entera y la de encima se retira. */
@starting-style{.fleet-scene[data-active="true"]:not([data-under="true"]){opacity:0}}
/* El lienzo muestra los cuadros de la barcaza con el oleaje; el <video> solo aparece si no hay WebGL. */
/* El vaivén del oleaje lo dibuja el propio lienzo (sea-surface.js): una animación CSS sobre un
   lienzo a pantalla completa traba a Chrome mientras se arrastra la barra de scroll. */
.fleet-scene__canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.fleet-scene__canvas[hidden]{display:block!important;visibility:hidden}
/* Con el lienzo ya dibujado, el poster queda tapado: sacarlo para no componer una imagen de más. */
.fleet-scene__poster:has(~.fleet-scene__canvas:not([hidden])){display:none}
/* Escena que no se ve (transparente o tapada por la siguiente) y lejos de un cambio: fuera de
   la página por completo. Si quedara montada debajo, Chrome la recalcula en cada movimiento
   de la barra de scroll aunque no se vea. */
.fleet-scene[data-offstage="true"]{display:none}
.fleet-scene__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.55),transparent 25%),linear-gradient(0deg,rgba(0,0,0,.6),transparent 45%)}
/* El nombre de la barcaza entra con el cambio de escena: aparece y se acomoda desde abajo a la derecha. */
.fleet-scene__copy{position:absolute;right:var(--gutter);bottom:clamp(48px,9svh,110px);max-width:calc(100% - 2 * var(--gutter));text-align:right;opacity:0;transform:translate3d(clamp(20px,3vw,48px),42px,0) scale(.94);transition:opacity .5s ease .1s,transform .7s cubic-bezier(.16,1,.3,1);transform-origin:bottom right;will-change:transform,opacity;text-shadow:0 2px 20px #0008}
.fleet-scene[data-active="true"] .fleet-scene__copy{opacity:1;transform:none}
@starting-style{.fleet-scene[data-active="true"]:not([data-under="true"]) .fleet-scene__copy{opacity:0;transform:translate3d(clamp(20px,3vw,48px),42px,0) scale(.94)}}
.fleet-scene__copy h2{font:400 clamp(3.5rem,8vw,8rem)/1 Anton,Impact,'Arial Narrow',sans-serif;letter-spacing:-.01em;text-transform:uppercase;margin:0}
.fleet-scene__copy .eyebrow{margin-bottom:16px}
@media(max-width:767px){.fleet-scene__copy{bottom:64px;left:var(--gutter);right:auto;text-align:left;transform-origin:bottom left}.fleet-scene__shade{background:linear-gradient(180deg,#0008,transparent 25%,transparent 60%,#0009)}}
.voyage:not(.is-scroll-ready) .fleet-scene{position:relative;top:0;height:100svh;opacity:1}
.voyage:not(.is-scroll-ready) .fleet-scene__copy{opacity:1;transform:none}
[hidden]{display:none!important}

/* Responsive */
@media(min-width:640px){:root{--gutter:40px}.eyebrow{font-size:12px}}
@media(min-width:768px){.desktop-nav{display:flex}.menu-toggle{display:none}}
@media(min-width:1024px){:root{--gutter:64px;--header-height:112px}.hero__content{max-width:55%}.hero__poster,.hero__video,.fleet-scene__poster,.fleet-scene__video{object-position:center}.hero__body{padding-top:calc(var(--header-height) + 32px);padding-bottom:48px}}
@media(max-width:767px){.hero__background::after{background:linear-gradient(90deg,rgba(0,0,0,.84),rgba(0,0,0,.67) 80%,rgba(0,0,0,.4)),linear-gradient(180deg,rgba(0,0,0,.25),transparent)}.hero__body{padding-top:calc(var(--header-height) + 32px);padding-bottom:40px}.hero__actions{gap:20px}.steps{column-gap:28px}.steps dd{font-size:12px}.description{max-width:35ch}}

/* Pantallas bajas (laptops, ventanas no maximizadas): el contenido del hero debe caber en el alto
   visible. Si no cabe, el hero sube antes de fijarse y la etiqueta pasa por debajo del logo. */
@media(min-width:768px) and (max-height:860px){
  :root{--header-height:88px}
  .hero__body{padding-top:calc(var(--header-height) + 16px);padding-bottom:16px}
  .eyebrow{margin-bottom:16px}
  h1{font-size:clamp(3.5rem,min(11vw,13svh),9rem);margin-bottom:18px}
  .description{margin-bottom:18px}
  .steps{margin-top:20px}
  .steps dt{font-size:40px}
}
@media(max-width:767px) and (max-height:740px){
  .hero__body{padding-top:calc(var(--header-height) + 8px);padding-bottom:24px}
  .eyebrow{margin-bottom:14px}
  h1{margin-bottom:16px}
  .description{margin-bottom:18px}
  .steps{margin-top:24px}
  .steps dt{font-size:40px}
}

/* Movimiento reducido: sin videos ni scrollytelling, escenas apiladas con sus posters */
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.hero__video,.fleet-scene__video{display:none!important}.voyage{height:auto!important}.voyage .hero{position:relative!important;top:0!important}.hero__body{opacity:1!important}.fleet-scene{position:relative!important;height:100svh;opacity:1!important}.fleet-scene__copy{opacity:1!important}}