/* ============================================================
   SaintoPay — high-risk payment solutions
   Monochrome (black & white) design system
   ============================================================ */
:root{
  --black:#0a0a0a;
  --ink:#101010;
  --white:#ffffff;
  --paper:#f4f4f2;
  --g-900:#161616;
  --g-700:#3a3a3a;
  --g-500:#777;
  --g-300:#c9c9c7;
  --g-200:#e6e6e3;
  --line:rgba(0,0,0,.12);
  --line-soft:rgba(0,0,0,.07);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1180px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;letter-spacing:-.02em;line-height:1.04}
img,svg{display:block;max-width:100%}
section{position:relative}

/* film grain overlay */
.grain{
  position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-display);font-weight:500;font-size:.95rem;
  padding:.78em 1.4em;border-radius:100px;border:1px solid transparent;
  cursor:pointer;transition:all .35s var(--ease);white-space:nowrap;
}
.btn--lg{padding:1em 1.7em;font-size:1rem}
.btn--block{width:100%}
.btn--solid{background:var(--black);color:var(--white);border-color:var(--black)}
.btn--solid:hover{background:transparent;color:var(--black);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{background:var(--black);color:var(--white);border-color:var(--black);transform:translateY(-2px)}

.eyebrow{
  font-family:var(--font-display);text-transform:uppercase;letter-spacing:.28em;
  font-size:.72rem;font-weight:500;color:var(--g-500);
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.05rem clamp(1.1rem,4vw,2.4rem);
  background:rgba(244,244,242,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .4s,background .4s,padding .4s;
}
.nav.scrolled{border-color:var(--line);padding-top:.75rem;padding-bottom:.75rem}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-display)}
.brand__mark{width:30px;height:30px;color:var(--black)}
.brand__name{font-weight:700;letter-spacing:.04em;font-size:1.12rem}
.brand__name span{color:var(--g-500)}
.nav__links{display:flex;gap:2rem}
.nav__links a{font-size:.92rem;color:var(--g-700);position:relative;transition:color .3s}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--black);transition:width .3s var(--ease)}
.nav__links a:hover{color:var(--black)}
.nav__links a:hover::after{width:100%}
.nav__actions{display:flex;gap:.6rem}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__burger span{width:24px;height:2px;background:var(--black);transition:.3s}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height:100vh;display:flex;align-items:center;
  padding:9rem clamp(1.1rem,4vw,2.4rem) 4rem;
  max-width:var(--maxw);margin:0 auto;
}
.hero__glow{
  position:absolute;top:-10%;right:-5%;width:60vw;height:60vw;max-width:760px;max-height:760px;
  background:radial-gradient(circle at 50% 50%,rgba(0,0,0,.10),transparent 62%);
  filter:blur(10px);z-index:0;animation:float 14s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(-3%,4%)}}
.hero__inner{position:relative;z-index:1;max-width:880px}
.hero__title{
  font-size:clamp(2.6rem,8vw,5.6rem);font-weight:700;margin:1.1rem 0 1.4rem;
}
.hero__title .outline{
  color:transparent;-webkit-text-stroke:1.5px var(--black);
}
.hero__sub{font-size:clamp(1.05rem,2vw,1.28rem);max-width:620px;color:var(--g-700)}
.hero__cta{display:flex;gap:.8rem;flex-wrap:wrap;margin:2.2rem 0 2.6rem}
.hero__meta{display:flex;gap:1.6rem;flex-wrap:wrap;font-size:.82rem;color:var(--g-500);font-family:var(--font-display);letter-spacing:.02em}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--black);color:var(--white);overflow:hidden;padding:1.1rem 0;
}
.marquee__track{
  display:flex;align-items:center;gap:2.4rem;width:max-content;
  animation:scroll 38s linear infinite;
  font-family:var(--font-display);font-size:1.5rem;font-weight:500;letter-spacing:.01em;
}
.marquee__track span{opacity:.92}
.marquee__track i{font-style:normal;opacity:.4;font-size:.9rem}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============================================================
   STATS
   ============================================================ */
.stats{
  max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  margin-top:5rem;margin-bottom:5rem;
}
.stat{background:var(--paper);padding:2.4rem 1.8rem}
.stat__num{font-family:var(--font-display);font-size:clamp(2.4rem,5vw,3.4rem);font-weight:700;letter-spacing:-.03em}
.stat p{font-size:.9rem;color:var(--g-500);margin-top:.4rem;max-width:18ch}

/* ============================================================
   SECTIONS / generic
   ============================================================ */
.section{max-width:var(--maxw);margin:0 auto;padding:5.5rem clamp(1.1rem,4vw,2.4rem)}
.section--tight{padding-top:2rem}
.section__head{max-width:680px;margin-bottom:3rem}
.section__head h2{font-size:clamp(2rem,4.5vw,3.2rem);margin:.8rem 0}
.section__lead{color:var(--g-700);font-size:1.08rem}

/* ---------- service cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:2.1rem 1.9rem;transition:transform .45s var(--ease),box-shadow .45s,background .45s,color .45s;
}
.card:hover{transform:translateY(-6px);box-shadow:0 30px 60px -28px rgba(0,0,0,.32)}
.card--invert{background:var(--black);color:var(--white);border-color:var(--black)}
.card__icon{width:52px;height:52px;border:1px solid var(--line);border-radius:14px;display:grid;place-items:center;margin-bottom:1.3rem}
.card--invert .card__icon{border-color:rgba(255,255,255,.25)}
.card__icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.45rem;margin-bottom:.6rem}
.card p{color:var(--g-700);font-size:.98rem}
.card--invert p{color:var(--g-300)}
.card__list{list-style:none;margin-top:1.3rem;border-top:1px solid var(--line);padding-top:1.1rem}
.card--invert .card__list{border-color:rgba(255,255,255,.16)}
.card__list li{font-size:.9rem;padding:.4rem 0 .4rem 1.4rem;position:relative;color:var(--g-700)}
.card--invert .card__list li{color:var(--g-300)}
.card__list li::before{content:"→";position:absolute;left:0;color:var(--black)}
.card--invert .card__list li::before{color:var(--white)}

/* ---------- industries ---------- */
.industries{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.industry{
  background:var(--paper);padding:1.7rem 1.4rem;font-family:var(--font-display);font-weight:500;font-size:1.05rem;
  display:flex;flex-direction:column;gap:.8rem;min-height:120px;justify-content:flex-end;
  transition:background .35s,color .35s;cursor:default;
}
.industry span{font-size:.78rem;color:var(--g-500);letter-spacing:.1em}
.industry:hover{background:var(--black);color:var(--white)}
.industry:hover span{color:var(--g-300)}

/* ============================================================
   CRYPTO FEATURE
   ============================================================ */
.crypto{
  background:var(--black);color:var(--white);
  display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center;
  max-width:var(--maxw);margin:2rem auto;border-radius:28px;
  padding:clamp(2.4rem,5vw,4.5rem);overflow:hidden;
}
.crypto .eyebrow{color:var(--g-500)}
.crypto h2{font-size:clamp(2rem,4vw,3rem);margin:.8rem 0 1.1rem}
.crypto__copy p{color:var(--g-300);max-width:48ch}
.ticks{list-style:none;margin:1.6rem 0 2rem}
.ticks li{padding:.55rem 0 .55rem 1.8rem;position:relative;border-bottom:1px solid rgba(255,255,255,.12)}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--white)}
/* faux widget */
.crypto__widget{display:flex;justify-content:center}
.widget{
  width:100%;max-width:360px;background:var(--white);color:var(--ink);border-radius:22px;
  padding:1.6rem;box-shadow:0 40px 80px -30px rgba(0,0,0,.6);
}
.widget__row{display:flex;justify-content:space-between;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:1rem 1.1rem}
.widget__row--get{background:var(--ink);color:var(--white);border-color:var(--ink)}
.widget__label{font-size:.78rem;color:var(--g-500)}
.widget__row--get .widget__label{color:var(--g-300)}
.widget__val{font-family:var(--font-display);font-weight:600;font-size:1.25rem}
.widget__val em{font-style:normal;font-size:.8rem;color:var(--g-500);margin-left:.2em}
.widget__row--get .widget__val em{color:var(--g-300)}
.widget__swap{width:38px;height:38px;border-radius:50%;background:var(--black);color:var(--white);display:grid;place-items:center;margin:-12px auto;position:relative;z-index:2;font-size:1.1rem;border:3px solid var(--white)}
.widget__bar{height:4px;background:var(--g-200);border-radius:4px;margin:1.2rem 0 .7rem;overflow:hidden}
.widget__bar span{display:block;height:100%;width:42%;background:var(--black);border-radius:4px;animation:fill 3s var(--ease) infinite alternate}
@keyframes fill{from{width:18%}to{width:88%}}
.widget__foot{display:flex;justify-content:space-between;font-size:.75rem;color:var(--g-500)}
.widget__cta{width:100%;margin-top:1.1rem;padding:.95rem;border:0;border-radius:100px;background:var(--black);color:var(--white);font-family:var(--font-display);font-weight:500;cursor:pointer;transition:opacity .3s}
.widget__cta:hover{opacity:.82}

/* ============================================================
   PROCESS / STEPS
   ============================================================ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.step{padding:1.8rem 0 0;border-top:2px solid var(--black)}
.step__n{font-family:var(--font-display);font-weight:700;font-size:1rem;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;margin-bottom:1.1rem}
.step h3{font-size:1.3rem;margin-bottom:.5rem}
.step p{color:var(--g-700);font-size:.95rem}

/* ============================================================
   WHY
   ============================================================ */
.why{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.why__grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
.why__item{padding:3rem 1.8rem;border-right:1px solid var(--line)}
.why__item:last-child{border-right:0}
.why__item h3{font-size:1.18rem;margin-bottom:.6rem}
.why__item p{font-size:.92rem;color:var(--g-700)}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{max-width:var(--maxw);margin:0 auto;padding:6rem clamp(1.1rem,4vw,2.4rem)}
.contact__inner{display:grid;grid-template-columns:.85fr 1.15fr;gap:3.5rem}
.contact__copy h2{font-size:clamp(2rem,4vw,3rem);margin:.8rem 0 1rem}
.contact__copy p{color:var(--g-700);max-width:40ch}
.contact__list{list-style:none;margin-top:2rem;font-family:var(--font-display)}
.contact__list li{padding:.7rem 0;border-bottom:1px solid var(--line);font-size:1rem}
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;display:flex;flex-direction:column;gap:1rem}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form label{display:flex;flex-direction:column;gap:.4rem;font-size:.8rem;font-weight:500;color:var(--g-700);font-family:var(--font-display)}
.form input,.form select,.form textarea{
  font-family:var(--font-body);font-size:.95rem;padding:.8rem .9rem;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:var(--paper);color:var(--ink);transition:border-color .3s,background .3s;resize:vertical;
}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--black);background:var(--white)}
.form__note{font-size:.9rem;color:var(--black);font-family:var(--font-display);text-align:center}
.form__err{font-size:.88rem;color:#000;background:#f0d8d8;border:1px solid #d9a; padding:.7rem .9rem;border-radius:var(--radius-sm);text-align:center}

/* ---------- multi-step wizard ---------- */
.wizard{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;display:flex;flex-direction:column;gap:1.1rem}
.wizard__progress{display:flex;flex-direction:column;gap:.6rem;margin-bottom:.4rem}
.wizard__bar{height:5px;background:var(--g-200);border-radius:4px;overflow:hidden}
.wizard__bar span{display:block;height:100%;width:33.33%;background:var(--black);border-radius:4px;transition:width .45s var(--ease)}
.wizard__label{font-family:var(--font-display);font-size:.8rem;color:var(--g-500);letter-spacing:.02em}
.wizard__label b{color:var(--black)}
.wstep{border:0;padding:0;margin:0;display:flex;flex-direction:column;gap:1rem}
.wstep[hidden]{display:none}
.wizard__nav{display:flex;gap:.7rem;margin-top:.4rem}
.wizard__nav .btn{flex:1}
#wizBack{flex:0 0 auto;padding-left:1.3rem;padding-right:1.3rem}

/* checkbox groups */
.checks{border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem 1.1rem;display:grid;grid-template-columns:1fr 1fr;gap:.5rem .9rem}
.checks legend{font-family:var(--font-display);font-size:.8rem;font-weight:500;color:var(--g-700);padding:0 .4rem}
.check{flex-direction:row!important;align-items:center;gap:.6rem;font-size:.9rem!important;color:var(--ink)!important;cursor:pointer;text-transform:none;letter-spacing:0}
.check input{appearance:none;-webkit-appearance:none;width:18px;height:18px;min-width:18px;border:1.5px solid var(--g-500);border-radius:5px;background:var(--white);display:grid;place-items:center;cursor:pointer;transition:all .2s;padding:0}
.check input:checked{background:var(--black);border-color:var(--black)}
.check input:checked::after{content:"✓";color:#fff;font-size:.72rem;line-height:1}
.check span{font-family:var(--font-body)}
.check--consent{margin-top:.2rem}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--black);color:var(--white);padding:4rem clamp(1.1rem,4vw,2.4rem) 2rem}
.footer__top{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.2fr 1.8fr;gap:2.5rem;padding-bottom:3rem;border-bottom:1px solid rgba(255,255,255,.14)}
.footer__brand .brand__mark{color:var(--white)}
.footer__brand .brand__name span{color:var(--g-500)}
.footer__brand p{color:var(--g-300);margin-top:1rem;max-width:34ch;font-size:.92rem}
.footer__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.footer__cols h4{font-family:var(--font-display);font-size:.78rem;text-transform:uppercase;letter-spacing:.18em;color:var(--g-500);margin-bottom:1rem;font-weight:500}
.footer__cols a{display:block;color:var(--g-300);font-size:.92rem;padding:.32rem 0;transition:color .3s}
.footer__cols a:hover{color:var(--white)}
.footer__bottom{max-width:var(--maxw);margin:2rem auto 0;display:flex;flex-direction:column;gap:1rem;font-size:.78rem;color:var(--g-500)}
.footer__fine{max-width:75ch;line-height:1.6}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee__track,.hero__glow,.widget__bar span{animation:none}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:980px){
  .cards,.steps,.why__grid{grid-template-columns:repeat(2,1fr)}
  .stats,.industries{grid-template-columns:repeat(2,1fr)}
  .crypto,.contact__inner{grid-template-columns:1fr}
  .why__item{border-right:0;border-bottom:1px solid var(--line)}
  .why__item:nth-child(odd){border-right:1px solid var(--line)}
  .footer__top{grid-template-columns:1fr}
}
@media (max-width:680px){
  .nav__links,.nav__actions{display:none}
  .nav__burger{display:flex}
  .nav.open .nav__links{
    display:flex;flex-direction:column;gap:1.3rem;position:absolute;top:100%;left:0;right:0;
    background:var(--paper);padding:1.6rem clamp(1.1rem,4vw,2.4rem);border-bottom:1px solid var(--line);
  }
  .cards,.steps,.industries,.why__grid,.footer__cols,.form__row{grid-template-columns:1fr}
  .why__item:nth-child(odd){border-right:0}
  .hero{min-height:auto;padding-top:7.5rem}
  .hero__title .outline{-webkit-text-stroke:1px var(--black)}
}