/* Entre marés: um filme anime de cinco segundos que avança e recua com o scroll.
   Telemóvel e ecrãs ao alto: o filme ocupa o ecrã inteiro.
   Ecrãs largos: o filme fica numa coluna vertical, na resolução nativa, com luz ambiente
   tirada do próprio fotograma (ver `.ambient` e app.js). */

/* fontes do próprio domínio, as mesmas do resto do site: sem pedidos a terceiros */
@font-face{font-family:'Space Grotesk';font-weight:500 700;font-display:swap;src:url('/assets/fonts/space-grotesk-500-latin.woff2') format('woff2')}
@font-face{font-family:'Inter';font-weight:400 600;font-display:swap;src:url('/assets/fonts/inter-400-latin.woff2') format('woff2')}
@font-face{font-family:'JetBrains Mono';font-weight:500;font-display:swap;src:url('/assets/fonts/jetbrains-mono-500-latin.woff2') format('woff2')}

:root{--ink:#171313;--cream:#f8f2e8;--orange:#ffbe69;--mint:#cce3de;--display:'Space Grotesk',Inter,system-ui,sans-serif;--sans:Inter,ui-sans-serif,system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;--ease:cubic-bezier(.2,.7,.2,1);--frame-scale:1.02;--film-w:calc(100svh * 768 / 1344);--film-shift:0px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
body{margin:0;background:var(--ink);color:var(--cream);font-family:var(--sans);-webkit-font-smoothing:antialiased}
::selection{background:var(--orange);color:var(--ink)}
a{color:inherit;text-decoration:none}
button{font:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:4px}
.skip-link{position:fixed;z-index:50;top:12px;left:12px;transform:translateY(-180%);background:var(--cream);color:var(--ink);padding:10px 14px;font:11px var(--mono);text-transform:uppercase;transition:transform .2s ease}
.skip-link:focus{transform:none}
.site-shell{overflow:clip}

/* barra de topo */
.topbar{position:fixed;inset:0 0 auto;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;padding:0 4.5vw;mix-blend-mode:difference;color:#fff;pointer-events:none}
.wordmark,.sound-toggle{pointer-events:auto}
.wordmark{display:inline-flex;align-items:center;gap:11px;font:500 12px var(--mono);letter-spacing:.02em}
.wordmark-mark{display:inline-flex;align-items:flex-end;gap:2px;width:17px;height:16px}
.wordmark-mark i{display:block;width:3px;border-radius:3px;background:currentColor}
.wordmark-mark i:nth-child(1){height:8px;opacity:.55}
.wordmark-mark i:nth-child(2){height:13px;opacity:.8}
.wordmark-mark i:nth-child(3){height:16px}
.topbar-center{display:flex;flex:0 1 230px;flex-direction:column;align-items:center;gap:9px}
.eyebrow{font:11px var(--mono);letter-spacing:.13em;text-transform:uppercase;opacity:.74}
.topbar-line{display:block;width:100%;height:1px;background:rgba(255,255,255,.34)}
.topbar-line span{display:block;width:0;height:100%;background:#fff;transition:width .08s linear}
.sound-toggle{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0;border:0;color:inherit;background:transparent;font:11px var(--mono);letter-spacing:.12em;text-transform:uppercase;cursor:pointer}
.sound-icon{display:inline-flex;align-items:center;gap:2px;height:13px}
.sound-icon span{width:2px;height:5px;border-radius:2px;background:currentColor;opacity:.55;transition:height .2s ease,opacity .2s ease}
.sound-icon span:nth-child(2){height:11px;opacity:.85}
.sound-icon span:nth-child(3){height:7px}
.sound-toggle[aria-pressed=true] .sound-icon span{opacity:1;animation:soundBars .7s ease-in-out infinite alternate}
.sound-toggle[aria-pressed=true] .sound-icon span:nth-child(2){animation-delay:-.35s}
.sound-toggle[aria-pressed=true] .sound-icon span:nth-child(3){animation-delay:-.15s}
@keyframes soundBars{from{height:4px}to{height:12px}}

/* o filme e a luz ambiente (esta só aparece em ecrãs largos) */
.film{position:absolute;inset:0;overflow:hidden}
.film video{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 50%}
.ambient{display:none}

/* abertura */
.hero-panel{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:#273b3f}
.hero-video{filter:saturate(.84) contrast(1.08) brightness(.8);transform:scale(1.025);animation:heroDrift 12s ease-in-out infinite alternate}
@keyframes heroDrift{from{transform:scale(1.025)}to{transform:scale(1.065) translate3d(-.5%,.35%,0)}}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,12,13,.78),transparent 62%),linear-gradient(0deg,rgba(9,12,13,.62),transparent 45%,rgba(9,12,13,.16))}
.hero-grain,.stage-grain{position:absolute;inset:0;pointer-events:none;opacity:.13;mix-blend-mode:screen;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E")}
.hero-frame-line{position:absolute;inset:22px;border:1px solid rgba(248,242,232,.18);pointer-events:none}
.hero-content{position:relative;z-index:2;width:min(940px,84vw);margin:0 0 15vh 9vw}
.kicker{display:flex;align-items:center;gap:10px;margin:0 0 24px;color:var(--orange);font:11px var(--mono);letter-spacing:.1em;text-transform:uppercase}
.kicker-dot{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 18px currentColor}
h1,h2{margin:0;font-family:var(--display);font-weight:500;letter-spacing:-.045em;line-height:.92}
h1{max-width:930px;font-size:clamp(4.6rem,11vw,10.8rem);font-weight:600;text-wrap:balance}
h1 em,h2 em{color:var(--orange);font-style:normal}
.hero-dek{max-width:390px;margin:30px 0 0;color:rgba(248,242,232,.78);font-size:14px;line-height:1.55}
.site-cta{display:inline-flex;align-items:center;gap:12px;margin-top:30px;padding:12px 16px;border:1px solid rgba(255,190,105,.72);border-radius:999px;color:var(--orange);font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;background:rgba(23,19,19,.18);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background .3s ease,color .3s ease,transform .3s ease}
.site-cta span{font-size:16px;line-height:0;transition:transform .3s ease}
.site-cta:hover{background:var(--orange);color:var(--ink);transform:translateY(-2px)}
.site-cta:hover span{transform:translate(2px,-2px)}
.hero-foot{position:absolute;z-index:3;inset:auto 4.5vw 30px;display:flex;align-items:flex-end;justify-content:space-between;color:rgba(248,242,232,.74)}
.scroll-cue{display:inline-flex;align-items:center;gap:14px;font:11px var(--mono);letter-spacing:.1em;text-transform:uppercase}
.scroll-cue-line{position:relative;display:block;width:44px;height:1px;background:var(--orange)}
.scroll-cue-line::after{content:"";position:absolute;top:-2px;right:0;width:5px;height:5px;border-radius:50%;background:var(--orange)}
.hero-note,.hero-time{font:11px/1.7 var(--mono);letter-spacing:.1em;text-transform:uppercase}
.hero-note{color:var(--orange)}
.hero-note small,.hero-time small{font-size:1em;color:rgba(248,242,232,.6)}
.hero-time{text-align:right}

/* história: o palco fica preso e o texto passa por cima */
.story-shell{position:relative;min-height:620vh;background:radial-gradient(ellipse at 50% 35%,#29474b 0%,#182124 53%,#0e1315 100%)}
.visual-stage{position:sticky;top:0;z-index:1;height:100svh;overflow:hidden;background:#273b3f}
.visual-stage::before,.visual-stage::after{content:"";position:absolute;left:0;right:0;z-index:7;height:clamp(24px,3.4vw,52px);background:linear-gradient(180deg,rgba(5,8,9,.78),rgba(5,8,9,.32),transparent);pointer-events:none}
.visual-stage::before{top:0}
.visual-stage::after{bottom:0;transform:rotate(180deg)}
.cinema-bars{position:absolute;inset:0;z-index:7;margin:clamp(17px,2.2vw,34px);border:1px solid rgba(248,242,232,.16);mix-blend-mode:screen;pointer-events:none}
.story-video{filter:saturate(.7) contrast(1.12) brightness(.76);transform:scale(var(--frame-scale));will-change:transform;transition:filter 1.4s ease,transform 1.4s var(--ease)}
.stage-vignette,.stage-scrim{position:absolute;inset:0;pointer-events:none}
.stage-vignette{z-index:2;background:radial-gradient(circle at 50% 43%,transparent 18%,rgba(9,12,13,.14) 57%,rgba(5,8,9,.8) 100%)}
.stage-scrim{z-index:3;background:linear-gradient(90deg,rgba(5,8,9,.72),transparent 36%,transparent 70%,rgba(5,8,9,.18)),linear-gradient(0deg,rgba(5,8,9,.58),transparent 31%,rgba(5,8,9,.18))}
.stage-grain{z-index:4}
.stage-meta{position:absolute;z-index:5;bottom:clamp(55px,6vw,86px);color:rgba(248,242,232,.78);font:11px var(--mono);letter-spacing:.17em;text-transform:uppercase}
.stage-meta-left{left:4.5vw;display:flex;align-items:center;gap:10px;font-variant-numeric:tabular-nums}
.meta-rule{display:block;width:36px;height:1px;background:var(--orange)}
.stage-meta-right{right:clamp(30px,5vw,72px);writing-mode:vertical-rl;transform:rotate(180deg)}

.story-copy{position:absolute;z-index:6;inset:0;display:flex;flex-direction:column;pointer-events:none}
.chapter{position:relative;height:124vh;padding:0 10vw;display:flex;align-items:center;isolation:isolate;opacity:.04;transform:translateY(22px);transition:opacity 1.15s var(--ease),transform 1.35s var(--ease)}
.chapter.is-active{opacity:1;transform:none}
.chapter::before{content:"";position:absolute;top:50%;left:10vw;width:clamp(72px,10vw,160px);height:1px;background:linear-gradient(90deg,var(--orange),transparent);opacity:.35;transform:scaleX(.15);transform-origin:left;transition:transform 1.2s var(--ease),opacity .8s ease}
.chapter.is-active::before{opacity:.65;transform:scaleX(1)}
.chapter-inner{position:relative;width:min(580px,80vw);transform:translateY(10px) scale(.985);filter:blur(3px);transition:transform 1.35s var(--ease),filter 1.2s ease}
.chapter.is-active .chapter-inner{transform:none;filter:none}
.chapter-index{display:inline-flex;align-items:center;gap:8px;margin:0 0 25px;padding-bottom:10px;border-bottom:1px solid rgba(255,190,105,.26);color:var(--orange);font:11px var(--mono);letter-spacing:.19em;text-transform:uppercase;transition:letter-spacing .9s ease}
.chapter.is-active .chapter-index{letter-spacing:.24em}
.chapter-index span{margin:0 2px;color:rgba(248,242,232,.45)}
.chapter h2{font-size:clamp(3.4rem,7.5vw,8rem);letter-spacing:-.05em;text-shadow:0 8px 34px rgba(0,0,0,.32)}
.chapter-note{max-width:270px;margin:34px 0 0;color:rgba(248,242,232,.62);font:13px/1.55 var(--sans);letter-spacing:.015em}
.chapter-two,.chapter-four{justify-content:flex-end;text-align:right}
.chapter-two .chapter-inner,.chapter-four .chapter-inner{display:flex;flex-direction:column;align-items:flex-end}
.chapter-two::before,.chapter-four::before{left:auto;right:10vw;background:linear-gradient(270deg,var(--orange),transparent);transform-origin:right}
.chapter-three .chapter-inner{margin-left:8vw}
.chapter-three::before,.chapter-five::before{background:linear-gradient(90deg,var(--mint),transparent)}
/* o último bloco acaba onde a história acaba: o texto sobe para entrar logo que o capítulo começa */
.chapter-five{align-items:flex-start;padding-top:12vh}
.chapter-five h2{letter-spacing:-.055em}
.chapter-five h2 em{color:var(--mint)}
.chapter-five .chapter-index{color:var(--mint);border-color:rgba(204,227,222,.3)}
.chapter-five .chapter-note{color:rgba(248,242,232,.8);font:500 15px/1.55 var(--display)}

/* pontos de capítulo: só aparecem durante a história */
.chapter-dots{position:fixed;z-index:8;top:50%;left:calc(clamp(22px,4.5vw,72px) - 10px);display:flex;flex-direction:column;transform:translateY(-50%);opacity:0;pointer-events:none;transition:opacity .6s ease}
.chapter-dots.is-visible{opacity:1;pointer-events:auto}
.chapter-dot{position:relative;width:24px;height:24px;padding:0;border:0;background:transparent;cursor:pointer}
.chapter-dot::before{content:"";position:absolute;top:50%;left:50%;width:5px;height:5px;margin:-2.5px 0 0 -2.5px;border:1px solid rgba(248,242,232,.62);border-radius:50%;opacity:.7;transition:transform .3s ease,background .3s ease,border-color .3s ease,box-shadow .3s ease}
.chapter-dot.is-active::before{background:var(--orange);border-color:var(--orange);opacity:1;transform:scale(1.8);box-shadow:0 0 16px rgba(255,190,105,.6)}

/* fecho */
.outro-panel{position:relative;min-height:110svh;display:grid;place-items:center stretch;overflow:hidden;background:linear-gradient(180deg,#101719 0%,#283c3d 34%,#46534a 60%,#a0784c 88%,#c08a53 100%);color:var(--ink)}
.outro-panel::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#0e1315 0%,transparent 26%),radial-gradient(ellipse at 72% 20%,rgba(255,245,207,.74),transparent 27%);opacity:.72}
.outro-sky{position:absolute;inset:0;opacity:.22;background:radial-gradient(ellipse at 72% 18%,#fff4ce 0 5%,transparent 27%),linear-gradient(170deg,transparent 47%,rgba(255,255,255,.25) 48%,transparent 52%)}
.outro-content{position:relative;z-index:1;width:min(820px,84vw);margin:8vh auto 0;text-align:center}
.outro-content .kicker{justify-content:center;color:#f1c17a}
.outro-content h2{color:#f7f0df;font-size:clamp(3.9rem,8.5vw,8.5rem);text-shadow:0 8px 30px rgba(9,18,18,.28)}
.outro-content h2 em{color:#f1c17a}
.outro-content>p:not(.kicker){max-width:340px;margin:32px auto 0;color:rgba(248,242,232,.86);font-size:14px;line-height:1.55;text-shadow:0 1px 12px rgba(9,18,18,.35)}
.replay-link{display:inline-flex;align-items:center;gap:12px;margin-top:48px;color:var(--cream);font:11px var(--mono);letter-spacing:.12em;text-transform:uppercase}
.replay-link span{display:grid;place-items:center;width:30px;height:30px;border:1px solid rgba(248,242,232,.55);border-radius:50%;font-size:16px;transition:transform .3s ease}
.replay-link:hover span{transform:translateY(-3px)}
.outro-cta{display:block;width:fit-content;margin:28px auto 0;padding:14px 20px;border-radius:999px;background:rgba(14,19,21,.72);color:#f1c17a;font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;transition:background .25s ease,color .25s ease}
.outro-cta:hover{background:#f1c17a;color:var(--ink)}
.outro-footer{position:absolute;z-index:2;inset:auto 4.5vw 30px;display:flex;justify-content:space-between;gap:14px;padding-top:18px;border-top:1px solid rgba(23,19,19,.32);color:var(--ink);font:11px var(--mono);letter-spacing:.1em;text-transform:uppercase}
.outro-footer span:first-child{color:var(--ink);font-weight:500}
.outro-footer a{text-decoration:underline;text-underline-offset:3px}

/* telemóvel */
@media (max-width:700px){
  .topbar{height:64px;padding:0 20px}
  .topbar-center{display:none}
  .sound-toggle{gap:7px;min-width:44px;justify-content:center}
  #soundLabel{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  .hero-frame-line{inset:14px}
  .hero-content{width:calc(100vw - 40px);margin:0 20px 17vh}
  h1{font-size:clamp(3.6rem,16vw,5.4rem)}
  .hero-dek{max-width:280px;font-size:14px}
  .site-cta{margin-top:24px;padding:12px 14px}
  .hero-foot{inset:auto 20px 20px;display:grid;grid-template-columns:1fr auto;gap:18px}
  .hero-note{display:none}
  .hero-time{grid-column:2;grid-row:1}
  .story-shell{min-height:620svh}
  .visual-stage::before,.visual-stage::after{height:25px}
  .cinema-bars{margin:14px}
  .stage-meta{bottom:43px}
  .stage-meta-left{left:20px}
  .stage-meta-right{display:none}
  .chapter{height:124svh;padding:0 20px}
  .chapter::before{top:32%;left:20px;width:70px}
  .chapter-two::before,.chapter-four::before{left:20px;right:auto;background:linear-gradient(90deg,var(--orange),transparent);transform-origin:left}
  .chapter-inner{width:calc(100vw - 40px)}
  .chapter.is-active .chapter-index{letter-spacing:.2em}
  .chapter h2{font-size:clamp(3.35rem,15vw,5.8rem);line-height:.88}
  .chapter-note{margin-top:26px}
  .chapter-two,.chapter-four{justify-content:flex-start;text-align:left}
  .chapter-two .chapter-inner,.chapter-four .chapter-inner{align-items:flex-start}
  .chapter-three .chapter-inner{margin-left:0}
  .chapter-dots{left:auto;right:10px}
  .outro-content{width:calc(100vw - 40px);margin-top:3vh}
  .outro-content h2{font-size:clamp(3.7rem,16vw,6.4rem)}
  .outro-content>p:not(.kicker){max-width:280px}
  .outro-cta{max-width:100%;text-align:center}
  .outro-footer{inset:auto 20px 18px;padding-top:12px}
  .outro-footer span:nth-child(2){display:none}
}

/* ecrãs largos: o filme numa coluna vertical, sem ampliar além da resolução do vídeo */
@media (min-width:701px) and (min-aspect-ratio:1/1){
  :root{--film-shift:max(0px,calc(50vw - var(--film-w) / 2 - 7vw))}
  .ambient{display:block;position:absolute;top:-12%;left:-12%;width:124%;height:124%;filter:blur(48px) saturate(1.35) brightness(.7)}
  .film{inset:0 auto 0 50%;width:var(--film-w);transform:translateX(calc(-50% + var(--film-shift)));-webkit-mask-image:linear-gradient(90deg,transparent,#000 14%,#000 86%,transparent);mask-image:linear-gradient(90deg,transparent,#000 14%,#000 86%,transparent)}
  .visual-stage .film{transition:transform 1.6s cubic-bezier(.65,0,.35,1)}
  .visual-stage[data-side=left] .film{transform:translateX(calc(-50% - var(--film-shift)))}
  .hero-shade{background:linear-gradient(90deg,rgba(9,12,13,.66),transparent 58%),linear-gradient(0deg,rgba(9,12,13,.5),transparent 45%)}
  .hero-content{width:min(760px,calc(100vw - var(--film-w) - 26vw))}
  h1{font-size:clamp(4rem,7.4vw,9rem)}
  .stage-scrim{background:linear-gradient(90deg,rgba(5,8,9,.5),transparent 30%,transparent 70%,rgba(5,8,9,.5)),linear-gradient(0deg,rgba(5,8,9,.5),transparent 31%,rgba(5,8,9,.18))}
  .chapter{padding:0 9vw}
  .chapter::before{left:9vw}
  .chapter-two::before,.chapter-four::before{right:9vw}
  .chapter-inner{width:min(600px,calc(100vw - var(--film-w) - 26vw))}
  .chapter h2{font-size:clamp(3rem,6vw,7.4rem)}
  .chapter-three .chapter-inner{margin-left:0}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero-video{animation:none}
  .chapter,.chapter-inner,.chapter::before,.chapter-index,.story-video,.visual-stage .film,.sound-icon span,.topbar-line span,.replay-link span{transition:none;animation:none}
  .chapter,.chapter-inner{transform:none;filter:none}
  .chapter::before{transform:scaleX(1)}
}