/* ============================================================
   AdScreen — public landing
   Brutalist-editorial. Paper base, ink, one electric accent.
   ============================================================ */

:root{
  --paper:#F4F2EC;
  --ink:#0B0B0C;
  --accent:#1E24FF;      /* electric ultramarine — the "screen signal" */
  --accent-ink:#FFFFFF;
  --line:#0B0B0C;
  --muted:#6B6A64;
  --tile:#E7E4DB;

  --maxw:1200px;
  --gut:clamp(20px,5vw,64px);
  --border:2px solid var(--line);
  --border-thick:3px solid var(--line);

  --f-display:"Archivo",system-ui,sans-serif;
  --f-body:"Inter",system-ui,sans-serif;
  --f-mono:"Space Mono",ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.mono{font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.06em;font-size:.72rem}
.eyebrow{
  font-family:var(--f-mono);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.72rem;
  color:var(--accent);
  margin-bottom:1.1rem;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--f-mono);
  text-transform:uppercase;letter-spacing:.05em;font-size:.78rem;font-weight:700;
  padding:.85em 1.4em;
  border:var(--border);
  background:transparent;color:var(--ink);
  cursor:pointer;
  transition:transform .08s ease, background .15s ease, color .15s ease;
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}
.btn:active{transform:translate(0,0);box-shadow:none}
.btn--solid{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn--solid:hover{box-shadow:4px 4px 0 var(--accent)}
.btn--ghost{border-color:transparent;padding:.85em .6em}
.btn--ghost:hover{transform:none;box-shadow:none;text-decoration:underline;text-underline-offset:4px}
.btn--line{background:var(--paper)}
.btn--lg{padding:1.05em 1.8em;font-size:.85rem}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:1.5rem;
  padding:.9rem var(--gut);
  background:var(--paper);
  border-bottom:var(--border-thick);
}
.nav__logo{
  display:flex;align-items:center;gap:.55rem;
  font-family:var(--f-display);font-weight:900;font-size:1.25rem;letter-spacing:-.02em;
}
.nav__logo-mark{
  width:18px;height:22px;background:var(--accent);
  box-shadow:5px 0 0 -1px var(--ink) inset;
}
.nav__links{display:flex;gap:1.6rem;margin-left:1.5rem;font-size:.9rem;font-weight:500}
.nav__links a:hover{color:var(--accent)}
.nav__actions{display:flex;align-items:center;gap:.75rem;margin-left:auto}

.lang{display:flex;align-items:center;gap:.35rem;font-family:var(--f-mono);font-size:.78rem}
.lang__btn{background:none;border:none;cursor:pointer;font:inherit;color:var(--muted);padding:.2em}
.lang__btn[aria-pressed="true"]{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.lang__sep{color:var(--muted)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,56px);
  align-items:center;
  padding:clamp(48px,7vw,96px) var(--gut);
  max-width:var(--maxw);margin-inline:auto;
}
.hero__title{
  font-family:var(--f-display);font-weight:900;
  font-size:clamp(2.6rem,6.5vw,4.6rem);
  line-height:.98;letter-spacing:-.03em;
  margin-bottom:1.4rem;
}
.hero__lead{font-size:1.12rem;max-width:34ch;color:var(--ink);margin-bottom:2rem}
.hero__cta{display:flex;gap:.8rem;flex-wrap:wrap}

/* signature screen */
.screen{width:100%}
.screen__bezel{
  background:var(--ink);
  border:var(--border-thick);
  padding:.9rem;
  position:relative;
  box-shadow:10px 10px 0 var(--accent);
}
.screen__meta{
  display:flex;align-items:center;gap:.6rem;
  font-family:var(--f-mono);font-size:.66rem;letter-spacing:.1em;
  color:#fff;margin-bottom:.7rem;
}
.screen__dot{width:8px;height:8px;border-radius:50%;background:#26E07A;box-shadow:0 0 0 3px rgba(38,224,122,.25)}
.screen__slot{margin-left:auto;color:#8f8f95}
.screen__slot b{color:#fff}
.screen__stage{
  position:relative;aspect-ratio:4/3;overflow:hidden;background:#141416;
}
.slide{
  position:absolute;inset:0;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:1.4rem;
  opacity:0;transform:scale(1.03);
  transition:opacity .6s ease, transform .6s ease;
}
.slide.is-on{opacity:1;transform:scale(1)}
.slide__kicker{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.14em;color:rgba(255,255,255,.7);margin-bottom:.4rem}
.slide__head{font-family:var(--f-display);font-weight:900;font-size:clamp(1.4rem,3vw,2rem);line-height:1;color:#fff}
.slide__sub{color:rgba(255,255,255,.8);font-size:.85rem;margin-top:.4rem}
.screen__bar{height:4px;background:#2a2a2e;margin-top:.7rem;overflow:hidden}
.screen__bar i{display:block;height:100%;width:0;background:var(--accent)}
.screen__caption{font-family:var(--f-mono);font-size:.68rem;color:var(--muted);margin-top:.9rem;letter-spacing:.03em}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee{
  border-block:var(--border-thick);
  background:var(--ink);color:var(--paper);
  overflow:hidden;padding:.6rem 0;
}
.marquee__track{
  display:flex;gap:1.4rem;white-space:nowrap;width:max-content;
  font-family:var(--f-display);font-weight:800;font-size:1.05rem;letter-spacing:.02em;
  animation:scroll 22s linear infinite;
}
.marquee__track span:nth-child(even){color:var(--accent)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ============================================================
   SHARED SECTION BITS
   ============================================================ */
.section-head{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);margin-bottom:2.6rem}
.section-title{font-family:var(--f-display);font-weight:900;font-size:clamp(1.9rem,4.5vw,3.1rem);letter-spacing:-.025em;line-height:1}
.section-sub{color:var(--muted);margin-top:.8rem;max-width:40ch}

/* ---------- problem ---------- */
.problem{max-width:var(--maxw);margin-inline:auto;padding:clamp(48px,7vw,88px) var(--gut)}
.problem__title{
  font-family:var(--f-display);font-weight:800;
  font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.02;letter-spacing:-.02em;
  max-width:20ch;margin-bottom:2.6rem;
}
.problem__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:var(--border)}
.problem__item{padding:1.6rem 1.4rem 1.6rem 0;border-bottom:var(--border)}
.problem__item + .problem__item{border-left:var(--border);padding-left:1.4rem}
.problem__item .mono{display:block;color:var(--accent);font-size:1rem;margin-bottom:.8rem}
.problem__item p{font-size:1.02rem}

/* ---------- how ---------- */
.how{padding-block:clamp(48px,7vw,88px);background:var(--ink);color:var(--paper)}
.how .eyebrow{color:#fff}
.how .section-title{color:var(--paper)}
.steps{
  list-style:none;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:2px solid var(--paper);
}
.step{padding:1.8rem 1.2rem 2.4rem 0}
.step + .step{border-left:2px solid rgba(244,242,236,.25);padding-left:1.2rem}
.step__num{display:block;color:var(--accent);font-size:1rem;margin-bottom:1.4rem}
.step h3{font-family:var(--f-display);font-weight:800;font-size:1.15rem;margin-bottom:.6rem}
.step p{color:rgba(244,242,236,.78);font-size:.95rem}

/* ---------- split (advertisers / venues) ---------- */
.split{
  display:grid;grid-template-columns:.4fr .6fr;gap:clamp(20px,4vw,56px);
  max-width:var(--maxw);margin-inline:auto;padding:clamp(48px,7vw,88px) var(--gut);
  border-top:var(--border);
}
.split__label .mono{color:var(--accent);font-size:.8rem}
.split__title{font-family:var(--f-display);font-weight:900;font-size:clamp(1.9rem,4.5vw,3rem);letter-spacing:-.025em;line-height:1;margin-bottom:1.8rem}
.feats{list-style:none;display:flex;flex-direction:column;gap:1.1rem;margin-bottom:2rem}
.feats li{border-left:var(--border-thick);padding-left:1rem}
.feats b{font-family:var(--f-display);font-weight:800}
.feats span{color:var(--muted)}

/* ---------- network ---------- */
.network{padding-block:clamp(48px,7vw,88px);border-top:var(--border)}
.network__grid{
  max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;
}
.tile{border:var(--border);background:var(--tile);padding:.7rem}
.tile__screen{
  aspect-ratio:16/10;
  background:
    repeating-linear-gradient(45deg,rgba(30,36,255,.12) 0 8px,transparent 8px 16px),
    var(--ink);
  border:var(--border);
}
.tile figcaption{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.03em;margin-top:.7rem;text-transform:uppercase}

/* ---------- pricing ---------- */
.pricing{padding-block:clamp(48px,7vw,88px);border-top:var(--border);background:var(--ink);color:var(--paper)}
.pricing .section-title{color:var(--paper)}
.pricing .eyebrow{color:#fff}
.pricing .section-sub{color:rgba(244,242,236,.7)}
.plans{
  max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem;
}
.plans__loading,.plans__error{
  grid-column:1/-1;text-align:center;font-family:var(--f-mono);font-size:.8rem;
  color:rgba(244,242,236,.6);padding:2rem;
}
.plan{
  background:var(--paper);color:var(--ink);
  border:var(--border);padding:1.6rem 1.4rem;
  display:flex;flex-direction:column;
}
.plan--featured{box-shadow:8px 8px 0 var(--accent);border-color:var(--paper);position:relative}
.plan__flag{
  position:absolute;top:-1px;right:-1px;
  background:var(--accent);color:#fff;
  font-family:var(--f-mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.35em .7em;
}
.plan__name{font-family:var(--f-display);font-weight:900;font-size:1.3rem;letter-spacing:-.02em}
.plan__price{font-family:var(--f-display);font-weight:900;font-size:2.6rem;letter-spacing:-.03em;margin:.6rem 0 .1rem;line-height:1}
.plan__price small{font-size:.9rem;font-weight:600;color:var(--muted)}
.plan__slots{font-family:var(--f-mono);font-size:.72rem;color:var(--accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:1.1rem}
.plan__desc{color:var(--muted);font-size:.9rem;margin-bottom:1.1rem}
.plan__feats{list-style:none;display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.5rem;font-size:.9rem}
.plan__feats li{padding-left:1.2rem;position:relative}
.plan__feats li::before{content:"→";position:absolute;left:0;color:var(--accent);font-weight:700}
.plan .btn{margin-top:auto}

/* ---------- faq ---------- */
.faq{padding-block:clamp(48px,7vw,88px);border-top:var(--border)}
.faq__list{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);border-top:var(--border)}
.qa{border-bottom:var(--border)}
.qa__q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  display:flex;align-items:center;gap:1rem;
  padding:1.3rem 0;font-family:var(--f-display);font-weight:800;font-size:1.1rem;color:var(--ink);
}
.qa__q::after{content:"+";margin-left:auto;font-family:var(--f-mono);font-size:1.4rem;color:var(--accent)}
.qa.is-open .qa__q::after{content:"–"}
.qa__a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted)}
.qa.is-open .qa__a{max-height:200px}
.qa__a p{padding-bottom:1.3rem;max-width:60ch}

/* ---------- cta ---------- */
.cta{max-width:var(--maxw);margin-inline:auto;padding:clamp(56px,8vw,110px) var(--gut);border-top:var(--border-thick)}
.cta__title{font-family:var(--f-display);font-weight:900;font-size:clamp(2.2rem,6vw,4rem);letter-spacing:-.03em;line-height:.98}
.cta__lead{color:var(--muted);max-width:44ch;margin:1rem 0 2.4rem;font-size:1.1rem}
.cta__form{display:flex;flex-direction:column;gap:1.1rem;max-width:720px}
.cta__row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.field{display:flex;flex-direction:column;gap:.5rem}
.field span{font-family:var(--f-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.field input{
  border:var(--border);background:var(--paper);padding:.9em 1em;font:inherit;color:var(--ink);
}
.field input:focus{outline:3px solid var(--accent);outline-offset:1px}
.seg{display:flex;border:var(--border)}
.seg__btn{
  flex:1;background:var(--paper);border:none;border-right:var(--border);
  font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;
  padding:.9em;cursor:pointer;color:var(--muted);
}
.seg__btn:last-child{border-right:none}
.seg__btn.is-on{background:var(--ink);color:var(--paper)}
.cta__submit{align-self:end}
.cta__note{font-family:var(--f-mono);font-size:.8rem;color:var(--accent)}

/* ---------- footer ---------- */
.foot{
  background:var(--ink);color:var(--paper);
  padding:clamp(40px,6vw,72px) var(--gut) 2rem;
  display:grid;grid-template-columns:1fr 2fr;gap:2.5rem;
}
.foot__brand{display:flex;align-items:center;gap:.55rem;font-family:var(--f-display);font-weight:900;font-size:1.3rem;position:relative}
.foot__tag{position:absolute;top:2.2rem;left:0;font-family:var(--f-body);font-weight:400;font-size:.85rem;color:rgba(244,242,236,.6)}
.foot__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.foot__col{display:flex;flex-direction:column;gap:.7rem;font-size:.9rem}
.foot__col .mono{color:rgba(244,242,236,.5);margin-bottom:.3rem}
.foot__col a{color:rgba(244,242,236,.85)}
.foot__col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.foot__login{color:var(--accent)!important;font-family:var(--f-mono);font-size:.8rem}
.foot__legal{grid-column:1/-1;border-top:1px solid rgba(244,242,236,.2);padding-top:1.5rem;font-family:var(--f-mono);font-size:.72rem;color:rgba(244,242,236,.5)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:900px){
  .nav__links{display:none}
  .hero{grid-template-columns:1fr}
  .screen{order:-1;max-width:420px}
  .problem__grid{grid-template-columns:1fr}
  .problem__item + .problem__item{border-left:none;padding-left:0}
  .steps{grid-template-columns:1fr 1fr}
  .step + .step{border-left:none}
  .step:nth-child(odd){border-right:2px solid rgba(244,242,236,.25);padding-right:1.2rem}
  .split{grid-template-columns:1fr}
  .network__grid{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1fr}
  .foot__cols{grid-template-columns:1fr}
}
@media (max-width:560px){
  .nav{gap:.6rem;flex-wrap:wrap}
  .nav__actions{gap:.4rem}
  .btn{padding:.7em 1em;font-size:.72rem}
  .steps{grid-template-columns:1fr}
  .step:nth-child(odd){border-right:none;padding-right:0}
  .network__grid{grid-template-columns:1fr}
  .cta__row{grid-template-columns:1fr}
  .cta__submit{align-self:stretch}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .slide{opacity:1;position:relative}
  .slide:not(:first-child){display:none}
}