/* =================================================================
   AGÊNCIA METRÔ — AI AGENCY
   Wayfinding design system · cream on black · NYC-subway DNA
   All forms squared. Black + cream + yellow accent.
   ================================================================= */

:root{
  /* palette */
  --ink:        #0A0A0A;
  --ink-2:      #111111;
  --ink-3:      #181818;
  --paper:      #F6F6DC;
  --paper-dim:  rgba(246,246,220,.62);
  --paper-faint:rgba(246,246,220,.14);
  --hair:       rgba(246,246,220,.12);

  /* brand accent — MTA yellow */
  --accent: #FCCC0A;

  /* line colors — authentic NYC subway palette */
  --web: #FF6319;  /* orange  B·D·F·M */
  --mkt: #EE352E;  /* red     1·2·3   */
  --seo: #00A65C;  /* green   4·5·6   */
  --blue: #0039A6;
  --purple: #B933AD;

  /* type */
  --sans: "Archivo", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* scale */
  --pad: clamp(1.25rem, 5vw, 5rem);
  --maxw: 1320px;

  --ease: cubic-bezier(.22,1,.36,1);
  --ease-spring: cubic-bezier(.32,.72,0,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0 }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth }
html.lenis,html.lenis body{ height:auto }
.lenis.lenis-smooth{ scroll-behavior:auto !important }
.lenis.lenis-stopped{ overflow:hidden }

body{
  font-family:var(--sans);
  background:var(--ink);
  color:var(--paper);
  line-height:1.5;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{ display:block; max-width:100% }
a{ color:inherit; text-decoration:none }
ul,ol{ list-style:none }
em{ font-style:normal }

::selection{ background:var(--accent); color:var(--ink) }

/* shared squared arrow mark / official icon */
.arw{ fill:currentColor; display:block }
.ico{ display:block; width:100%; height:100% }

.skip-link{
  position:fixed; top:-100px; left:1rem; z-index:1000;
  background:var(--paper); color:var(--ink);
  padding:.6rem 1rem; font-weight:700;
  transition:top .2s var(--ease);
}
.skip-link:focus{ top:1rem }

:focus-visible{ outline:2px solid var(--accent); outline-offset:3px }

/* ---------- grain ---------- */
.grain{
  position:fixed; inset:-50%; z-index:60; pointer-events:none;
  opacity:.035; mix-blend-mode:screen;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 6s steps(6) infinite;
}
@keyframes grain{
  0%,100%{ transform:translate(0,0) }
  20%{ transform:translate(-4%,3%) } 40%{ transform:translate(3%,-4%) }
  60%{ transform:translate(-3%,-3%) } 80%{ transform:translate(4%,4%) }
}

/* ---------- custom cursor (squared arrow) ---------- */
.cursor{
  position:fixed; top:0; left:0; z-index:90; width:34px; height:34px;
  margin:-34px 0 0 -34px; pointer-events:none; color:var(--paper);
  transform:translate(-100px,-100px);
  transition:width .25s var(--ease), height .25s var(--ease),
             background .25s var(--ease), opacity .3s;
  will-change:transform; mix-blend-mode:difference; opacity:0;
}
.cursor svg{ width:100%; height:100% }
.cursor.is-stick{
  width:60px; height:60px; margin:-30px 0 0 -30px;
  background:var(--paper); color:var(--ink); mix-blend-mode:normal;
  padding:18px;
}
@media (hover:hover) and (pointer:fine){ .cursor{ opacity:1 } }
/* hide native cursor only when the custom one is actually active (JS-set) */
html.cursor-on, html.cursor-on *{ cursor:none !important }

/* ---------- preloader ---------- */
.preloader{
  position:fixed; inset:0; z-index:200; background:var(--paper);
  display:grid; place-content:center; gap:2rem;
  color:var(--ink); padding:var(--pad);
}
.preloader.is-done{
  transform:translateY(-100%);
  transition:transform 1s var(--ease-spring) .1s;
}
.preloader__sign{ display:flex; align-items:center; gap:1rem; overflow:hidden }
.preloader__bullet{
  width:clamp(46px,7vw,68px); aspect-ratio:1;
  transform:translateY(110%); animation:rise .7s var(--ease-spring) .1s forwards;
}
.preloader__word{
  font-weight:900; font-size:clamp(2.6rem,10vw,6rem); letter-spacing:.04em;
  line-height:1; transform:translateY(110%);
  animation:rise .7s var(--ease-spring) .22s forwards;
}
@keyframes rise{ to{ transform:translateY(0) } }
.preloader__bar{
  width:min(280px,60vw); height:2px; background:rgba(10,10,10,.16);
  overflow:hidden;
}
.preloader__bar span{ display:block; height:100%; width:0; background:var(--ink) }
.preloader__count{
  font-family:var(--mono); font-weight:700; font-size:.85rem;
  display:flex; align-items:baseline; gap:1px;
}
.preloader__count i{ font-style:normal; opacity:.5 }

/* ---------- header ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:70;
  display:flex; align-items:center; justify-content:space-between;
  gap:1rem; padding:1.1rem var(--pad);
  transition:transform .5s var(--ease), background .4s, backdrop-filter .4s;
}
.nav.is-hidden{ transform:translateY(-110%) }
.nav.is-scrolled{
  background:rgba(10,10,10,.6); backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--hair);
}
.brand{ display:inline-flex; align-items:center; gap:.6rem; font-weight:800 }
.brand__bullet{
  width:38px; aspect-ratio:1;
  transition:transform .5s var(--ease-spring);
}
.brand:hover .brand__bullet{ transform:rotate(-90deg) }
.brand__name{ display:inline-flex; align-items:center; gap:.34em;
  font-size:1.18rem; letter-spacing:-.02em }
.brand__ai{ background:var(--accent); color:var(--ink); font-weight:800;
  font-size:.62em; line-height:1; padding:.2em .32em; letter-spacing:.02em }
.brand__ag{ font-weight:500; font-size:.6em; color:var(--paper-dim);
  letter-spacing:.14em; text-transform:uppercase }
.brand--lg .brand__bullet{ width:54px }
.brand--lg .brand__name{ font-size:1.7rem }

.nav__links{ display:flex; gap:1.8rem; font-family:var(--mono); font-size:.78rem;
  text-transform:uppercase; letter-spacing:.08em }
.nav__links a{ position:relative; padding:.2rem 0; color:var(--paper-dim);
  transition:color .3s }
.nav__links a::after{
  content:""; position:absolute; left:0; bottom:-2px; height:1px; width:0;
  background:var(--accent); transition:width .35s var(--ease);
}
.nav__links a:hover{ color:var(--paper) }
.nav__links a:hover::after{ width:100% }

.nav__cta{
  display:inline-flex; align-items:center; gap:.5rem; font-weight:700;
  font-size:.9rem; padding:.55rem 1.1rem; border:1px solid var(--paper);
  color:var(--paper); transition:background .3s var(--ease), color .3s;
}
.nav__cta svg{ width:14px }
.nav__cta:hover{ background:var(--paper); color:var(--ink) }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.7rem;
  font-weight:700; font-size:1rem; line-height:1; white-space:nowrap;
  height:3.5rem; padding:0 1.5rem; position:relative;
  transition:transform .5s var(--ease-spring), background .3s, color .3s;
}
.btn--solid{ background:var(--paper); color:var(--ink); padding-right:.5rem }
.btn--ghost{ border:1px solid var(--hair); color:var(--paper) }
.btn--ghost:hover{ border-color:var(--accent); color:var(--accent) }
.btn--big{ height:4.2rem; font-size:clamp(1.05rem,2.4vw,1.4rem); padding:0 2rem }
.btn--big.btn--solid{ padding-right:.7rem }
.btn:active{ transform:scale(.97) }

/* squared "button-in-button" trailing mark */
.btn__ic{ flex:none; width:2.4rem; height:2.4rem;
  transition:transform .5s var(--ease-spring) }
.btn--big .btn__ic{ width:3rem; height:3rem }
.btn--solid:hover .btn__ic{ transform:translate(3px,3px) }
.nav__cta .btn__ic{ width:1.7em; height:1.7em }

/* ---------- shared section bits ---------- */
.eyebrow{
  font-family:var(--mono); font-size:.74rem; text-transform:uppercase;
  letter-spacing:.18em; color:var(--paper-dim);
  display:inline-flex; align-items:center; gap:.6rem;
}
.eyebrow__dot{ width:8px; height:8px; background:var(--accent);
  box-shadow:0 0 0 0 var(--accent); animation:ping 2.6s var(--ease) infinite }
@keyframes ping{ 0%{ box-shadow:0 0 0 0 rgba(252,204,10,.55) }
  70%,100%{ box-shadow:0 0 0 11px rgba(252,204,10,0) } }

.section-head{ max-width:var(--maxw); margin:0 auto;
  padding:0 var(--pad); display:flex; flex-direction:column; gap:1.4rem }
.section-title{
  font-weight:900; font-size:clamp(2.1rem,6vw,4.6rem); line-height:.98;
  letter-spacing:-.03em;
}

/* ---------- hero ---------- */
.hero{ position:relative; min-height:100svh; display:flex; align-items:flex-end;
  padding:0 var(--pad) clamp(3rem,7vh,6rem); overflow:hidden }
.hero__canvas{ position:absolute; inset:0; width:100%; height:100%; z-index:0; opacity:.58 }
.hero__veil{ position:absolute; inset:0; z-index:1; pointer-events:none;
  background:
    linear-gradient(to right, rgba(10,10,10,.82) 0%, rgba(10,10,10,.34) 40%, transparent 68%),
    linear-gradient(to top, var(--ink) 5%, rgba(10,10,10,.52) 44%, transparent 84%),
    radial-gradient(110% 80% at 84% 12%, transparent 46%, rgba(10,10,10,.42) 100%);
}
.hero__inner{ position:relative; z-index:2; max-width:var(--maxw);
  margin:0 auto; width:100%; }
.hero__eyebrow{ margin-bottom:1.5rem }
.hero__title{
  font-weight:900; letter-spacing:-.04em; line-height:.9;
  font-size:clamp(3rem,12vw,10rem); text-wrap:balance;
}
.hero__title .line{ display:block; overflow:hidden }
.hero__title em{ color:transparent; -webkit-text-stroke:1.5px var(--paper) }
.hero__lede{ max-width:42ch; margin:1.8rem 0 2.4rem; font-size:clamp(1rem,2vw,1.22rem);
  color:var(--paper-dim); line-height:1.55 }
.hero__actions{ display:flex; flex-wrap:wrap; gap:1rem; align-items:center }
.hero__scroll{ position:absolute; right:var(--pad); bottom:clamp(3rem,7vh,6rem);
  z-index:2; display:none; flex-direction:column; align-items:center; gap:.7rem;
  font-family:var(--mono); font-size:.66rem; text-transform:uppercase;
  letter-spacing:.2em; color:var(--paper-dim) }
.hero__scroll i{ width:1px; height:54px; background:linear-gradient(var(--accent),transparent);
  animation:drop 1.8s var(--ease) infinite }
@keyframes drop{ 0%{ transform:scaleY(0); transform-origin:top }
  45%{ transform:scaleY(1); transform-origin:top }
  55%{ transform:scaleY(1); transform-origin:bottom }
  100%{ transform:scaleY(0); transform-origin:bottom } }
@media (min-width:760px){ .hero__scroll{ display:flex } }

/* ---------- ticker ---------- */
.ticker{ border-top:1px solid var(--hair); border-bottom:1px solid var(--hair);
  padding:1.1rem 0; overflow:hidden; background:var(--ink) }
.ticker__track{ display:flex; align-items:center; gap:2.5rem; width:max-content;
  animation:marq 60s linear infinite }
.ticker__track span{ font-weight:800; font-size:clamp(1.4rem,4vw,2.4rem);
  letter-spacing:-.02em; text-transform:uppercase }
.ticker__sep{ color:var(--accent); font-weight:400 !important }
@keyframes marq{ to{ transform:translateX(-50%) } }
.ticker:hover .ticker__track{ animation-play-state:paused }

/* ---------- manifesto ---------- */
.manifesto{ padding:clamp(7rem,18vh,13rem) var(--pad);
  max-width:1100px; margin:0 auto }
.manifesto__text{ font-weight:600; font-size:clamp(1.6rem,4.6vw,3.4rem);
  line-height:1.18; letter-spacing:-.02em }
.manifesto__text em{ color:var(--paper-dim) }
.manifesto__text .word{ display:inline-block; opacity:.16;
  transition:opacity .5s var(--ease) }
.manifesto__text .word.is-lit{ opacity:1 }
.manifesto__text em .word.is-lit{ color:var(--paper) }

/* ---------- linhas ---------- */
.lines{ padding:clamp(3rem,8vh,6rem) 0 clamp(6rem,12vh,9rem) }
.lines__list{ max-width:var(--maxw); margin:clamp(2.5rem,6vh,4.5rem) auto 0;
  padding:0 var(--pad) }
.linecard{
  position:relative; display:grid;
  grid-template-columns:auto 1fr auto; gap:clamp(1.2rem,4vw,3rem);
  align-items:start; padding:clamp(2rem,4.5vw,3.4rem) 0;
  border-top:1px solid var(--hair);
}
.linecard:last-child{ border-bottom:1px solid var(--hair) }
.linecard__bullet{
  width:clamp(54px,8vw,84px); aspect-ratio:1; border-radius:50%;
  background:var(--line); color:#fff; display:grid; place-items:center;
  font-weight:900; font-size:clamp(1.5rem,3vw,2.4rem);
  transition:transform .5s var(--ease-spring);
}
.linecard:hover .linecard__bullet{ transform:scale(1.08) }
.linecard__title{ font-weight:800; font-size:clamp(1.8rem,5vw,3.4rem);
  letter-spacing:-.03em; line-height:1; margin-bottom:.9rem }
.linecard__desc{ color:var(--paper-dim); max-width:54ch; font-size:1.05rem }
.linecard__tags{ display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1.3rem }
.linecard__tags li{ font-family:var(--mono); font-size:.7rem; letter-spacing:.04em;
  padding:.35rem .7rem; border:1px solid var(--hair); color:var(--paper-dim) }
.linecard__arrow{ font-size:clamp(1.6rem,4vw,2.6rem); color:var(--line);
  transition:transform .5s var(--ease-spring); align-self:center }
.linecard:hover .linecard__arrow{ transform:translate(8px,8px) }

/* ---------- trajeto / route ---------- */
.trajeto{ padding:clamp(4rem,10vh,8rem) 0 }
.route{ max-width:var(--maxw); margin:clamp(3rem,7vh,5rem) auto 0;
  padding:0 var(--pad); display:grid; gap:0;
  grid-template-columns:repeat(4,1fr); position:relative }
.route::before{ content:""; position:absolute; left:var(--pad); right:var(--pad);
  top:calc(2.5rem + 7px); height:2px;
  background:repeating-linear-gradient(90deg,var(--paper-faint) 0 8px,transparent 8px 16px) }
.station{ position:relative; padding:0 1.2rem 0 0 }
.station__num{ font-family:var(--mono); font-size:.78rem; color:var(--paper-dim);
  letter-spacing:.1em; display:block; margin-bottom:1.4rem }
.station__dot{ width:16px; height:16px; border-radius:50%; background:var(--ink);
  border:2px solid var(--paper); position:relative; z-index:1; margin-bottom:1.6rem;
  transition:background .4s var(--ease), box-shadow .4s }
.station.is-visible .station__dot{ background:var(--accent); border-color:var(--accent);
  box-shadow:0 0 0 5px rgba(252,204,10,.16) }
.station__dot--end{ background:var(--seo); border-color:var(--seo) }
.station.is-visible .station__dot--end{ background:var(--seo); border-color:var(--seo);
  box-shadow:0 0 0 5px rgba(47,191,143,.22) }
.station__title{ font-weight:800; font-size:clamp(1.3rem,2.4vw,1.8rem);
  margin-bottom:.6rem; letter-spacing:-.02em }
.station__desc{ color:var(--paper-dim); font-size:.98rem; max-width:30ch }

/* ---------- board ---------- */
.board{ border-top:1px solid var(--hair); border-bottom:1px solid var(--hair) }
.board__grid{ max-width:var(--maxw); margin:0 auto; padding:0 var(--pad);
  display:grid; grid-template-columns:repeat(4,1fr) }
.board__grid li{ padding:clamp(2.5rem,6vh,4.5rem) 1.5rem;
  border-left:1px solid var(--hair); display:flex; flex-direction:column; gap:.7rem }
.board__grid li:first-child{ border-left:0; padding-left:0 }
.board__grid strong{ font-weight:900; font-size:clamp(1.8rem,4vw,3rem);
  letter-spacing:-.03em; line-height:1; text-transform:lowercase }
.board__grid li:nth-child(1) strong{ color:var(--web) }
.board__grid li:nth-child(2) strong{ color:var(--mkt) }
.board__grid li:nth-child(3) strong{ color:var(--seo) }
.board__grid li:nth-child(4) strong{ color:var(--accent) }
.board__grid span{ color:var(--paper-dim); font-size:.92rem; line-height:1.4 }

/* ---------- faq ---------- */
.faq{ padding:clamp(5rem,13vh,10rem) 0 }
.faq__list{ max-width:980px; margin:clamp(3rem,6vh,4rem) auto 0; padding:0 var(--pad) }
.qa{ border-top:1px solid var(--hair) }
.qa:last-child{ border-bottom:1px solid var(--hair) }
.qa summary{ list-style:none; cursor:pointer; padding:1.6rem 0;
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  font-weight:700; font-size:clamp(1.1rem,2.4vw,1.5rem); letter-spacing:-.02em;
  transition:color .3s }
.qa summary::-webkit-details-marker{ display:none }
.qa__icon{ flex:none; font-size:1.3rem; color:var(--paper-dim);
  transition:transform .4s var(--ease-spring), color .3s }
.qa[open] .qa__icon{ transform:rotate(45deg); color:var(--accent) }
.qa summary:hover{ color:var(--paper) }
.qa p{ color:var(--paper-dim); max-width:70ch; padding:0 0 1.7rem;
  font-size:1.02rem; line-height:1.6 }

/* ---------- cta ---------- */
.cta{ padding:clamp(7rem,18vh,13rem) var(--pad); text-align:center;
  position:relative; overflow:hidden }
.cta::before{ content:""; position:absolute; right:-6%; bottom:-12%; z-index:0;
  width:46vw; height:46vw; pointer-events:none; opacity:.04;
  background:var(--paper);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 21.49 21.49'%3E%3Cpolygon points='18.12 16.04 18.11 16.05 18.11 18.07 15.24 18.07 10.05 18.07 10.05 15.2 13.22 15.2 7.05 9.03 9.09 7 15.24 13.15 15.24 10.01 18.11 10.01 18.11 15.2 18.11 16.03 18.12 16.04'/%3E%3C/svg%3E") center/contain no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 21.49 21.49'%3E%3Cpolygon points='18.12 16.04 18.11 16.05 18.11 18.07 15.24 18.07 10.05 18.07 10.05 15.2 13.22 15.2 7.05 9.03 9.09 7 15.24 13.15 15.24 10.01 18.11 10.01 18.11 15.2 18.11 16.03 18.12 16.04'/%3E%3C/svg%3E") center/contain no-repeat }
.cta__inner{ position:relative; z-index:1; max-width:780px; margin:0 auto;
  display:flex; flex-direction:column; align-items:center; gap:1.3rem }
.cta__title{ font-weight:900; font-size:clamp(3rem,13vw,9rem); line-height:.9;
  letter-spacing:-.04em }
.cta__lede{ color:var(--paper-dim); font-size:clamp(1.05rem,2.4vw,1.35rem);
  max-width:40ch }
.cta .btn{ margin-top:1rem }

/* ---------- footer ---------- */
.footer{ border-top:1px solid var(--hair); padding:clamp(3rem,7vh,5rem) var(--pad) 2rem }
.footer__top{ max-width:var(--maxw); margin:0 auto; display:flex;
  flex-wrap:wrap; align-items:center; justify-content:space-between; gap:1.5rem;
  padding-bottom:clamp(2.5rem,6vh,4rem) }
.footer__tag{ font-weight:600; font-size:clamp(1.1rem,2.6vw,1.7rem);
  color:var(--paper-dim); letter-spacing:-.02em }
.footer__cols{ max-width:var(--maxw); margin:0 auto; display:grid;
  grid-template-columns:repeat(3,1fr); gap:2rem;
  padding:clamp(2.5rem,6vh,4rem) 0; border-top:1px solid var(--hair) }
.footer__col{ display:flex; flex-direction:column; gap:.7rem }
.footer__col h4{ font-family:var(--mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.14em; color:var(--paper-dim); margin-bottom:.4rem; font-weight:500 }
.footer__col a,.footer__col span{ color:var(--paper); font-size:1rem; width:fit-content }
.footer__col a{ position:relative; transition:color .3s }
.footer__col a:hover{ color:var(--accent) }
.footer__col span{ color:var(--paper-dim) }
.footer__base{ max-width:var(--maxw); margin:0 auto; display:flex;
  flex-wrap:wrap; justify-content:space-between; gap:1rem;
  padding-top:2rem; border-top:1px solid var(--hair);
  font-family:var(--mono); font-size:.72rem; color:var(--paper-dim);
  letter-spacing:.04em }

/* ---------- reveal (heavy fade-up + blur) ---------- */
[data-reveal]{ opacity:0; transform:translateY(28px); filter:blur(6px);
  transition:opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease) }
[data-reveal].is-visible{ opacity:1; transform:none; filter:blur(0) }
[data-reveal][data-reveal-delay="1"]{ transition-delay:.06s }
[data-reveal][data-reveal-delay="2"]{ transition-delay:.14s }
[data-reveal][data-reveal-delay="3"]{ transition-delay:.24s }
[data-reveal][data-reveal-delay="4"]{ transition-delay:.34s }

/* ---------- responsive ---------- */
@media (max-width:920px){
  .route{ grid-template-columns:1fr 1fr; row-gap:2.6rem }
  .route::before{ display:none }
  .board__grid{ grid-template-columns:1fr 1fr }
  .board__grid li:nth-child(3){ border-left:0; padding-left:0 }
}
@media (max-width:680px){
  .nav__links{ display:none }
  .linecard{ grid-template-columns:auto 1fr; }
  .linecard__arrow{ display:none }
  .footer__cols{ grid-template-columns:1fr; gap:2.2rem }
  .footer__base{ flex-direction:column; gap:.4rem }
}
@media (max-width:460px){
  .route{ grid-template-columns:1fr }
  .board__grid{ grid-template-columns:1fr }
  .board__grid li{ border-left:0 !important; padding-left:0 !important;
    border-top:1px solid var(--hair) }
  .board__grid li:first-child{ border-top:0 }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.001ms !important;
    animation-iteration-count:1 !important; transition-duration:.001ms !important;
    scroll-behavior:auto !important }
  [data-reveal]{ opacity:1; transform:none; filter:none }
  .cursor{ display:none }
  .preloader{ display:none }
}