/* ============================================================
   iterate - brand v1 stylesheet
   Geist + Geist Mono · ink-on-paper, dark hero + dark about
   ============================================================ */

:root{
  --ink:#14171F;
  --ink-deep:#0E1116;
  --paper:#F6F5F1;
  --white:#fff;
  --iris:#5B5BD6;
  --iris-600:#4B4BC4;
  --iris-glow:#7D7DEA;
  --lime:#C7F25C;
  --slate:#6A7180;
  --line:#E4E2DB;
  --line-dark:rgba(246,245,241,.10);
  --radius:14px;
  --maxw:1100px;
  --sans:"Geist",-apple-system,system-ui,"Inter",sans-serif;
  --mono:"Geist Mono",ui-monospace,"JetBrains Mono",monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

img,svg{display:block;max-width:100%}
a{color:var(--iris);text-decoration:none}
a:hover{color:var(--iris-600)}
.mono{font-family:var(--mono)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,40px)}
.section{padding:clamp(64px,9vw,120px) 0}

h1,h2,h3{font-weight:600;letter-spacing:-.02em;line-height:1.12}
h1{font-size:clamp(2rem,4vw,3rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.1rem);letter-spacing:-.025em}
h3{font-size:1.25rem}
p{max-width:66ch}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);
  padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:16px;top:16px}

.eyebrow{font-family:var(--mono);font-size:.8125rem;font-weight:500;letter-spacing:.06em;
  text-transform:uppercase;color:var(--iris);display:inline-flex;align-items:center;gap:10px;margin-bottom:1rem}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 12px var(--lime);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}

.lead{font-size:1.125rem;color:var(--ink);margin-top:1rem}
.note{color:var(--slate);margin-top:.75rem}

/* ---------- buttons ---------- */
.btn{font-family:inherit;font-size:.95rem;font-weight:600;border-radius:12px;
  padding:13px 22px;border:1px solid transparent;cursor:pointer;display:inline-flex;
  align-items:center;gap:9px;transition:transform .15s ease,background .2s,box-shadow .2s,border-color .2s;text-decoration:none}
.btn .arr,.arr{transition:transform .2s}
.btn:hover .arr,.link-arrow:hover .arr{transform:translateX(4px)}
.btn--sm{padding:9px 16px;font-size:.875rem}
.btn--iris{background:var(--iris);color:var(--white)}
.btn--iris:hover{background:var(--iris-600);color:var(--white);transform:translateY(-2px)}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(199,242,92,.6)}
.btn--ghost-dark{background:transparent;color:var(--paper);border-color:var(--line-dark)}
.btn--ghost-dark:hover{color:var(--paper);border-color:var(--paper);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{color:var(--iris);border-color:var(--iris);transform:translateY(-2px)}
.nav-links .btn{background:var(--iris);color:var(--white)}
.nav-links .btn:hover{background:var(--iris-600)}

.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;margin-top:1.25rem}

/* ============ NAV ============ */
.nav{position:sticky;top:0;z-index:50;background:rgba(246,245,241,.82);
  backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand .word{font-weight:600;font-size:1.2rem;letter-spacing:-.02em}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--ink);font-size:.95rem;font-weight:500}
.nav-links a:not(.btn):hover{color:var(--iris)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:760px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--paper);border-bottom:1px solid var(--line);
    padding:8px 0;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px clamp(20px,5vw,40px)}
  .nav-links .btn{margin:8px clamp(20px,5vw,40px);justify-content:center}
}

/* ============ HERO (dark + engine) ============ */
.stage{position:relative;min-height:min(92vh,820px);overflow:hidden;color:var(--paper);
  background:
    radial-gradient(120% 90% at 78% 42%, rgba(91,91,214,.20), transparent 55%),
    radial-gradient(80% 70% at 90% 90%, rgba(199,242,92,.07), transparent 60%),
    var(--ink-deep);
  display:flex;flex-direction:column;justify-content:center}
.stage::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}
.stage::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:6;
  background:radial-gradient(130% 130% at 50% 35%, transparent 55%, rgba(0,0,0,.55))}

.engine-wrap{position:absolute;top:50%;right:-8vw;transform:translateY(-50%);
  width:min(1000px,108vh);aspect-ratio:1;z-index:1;
  filter:drop-shadow(0 0 60px rgba(91,91,214,.10));
  opacity:0;animation:engfade 1.6s .2s ease forwards}
@keyframes engfade{to{opacity:1}}
.layer{position:absolute;inset:0;will-change:transform}
svg.eng{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.ring{transform-box:view-box;transform-origin:500px 500px}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes spinr{to{transform:rotate(-360deg)}}

.hero-content{position:relative;z-index:7;padding-top:clamp(40px,7vw,70px);padding-bottom:clamp(40px,7vw,70px)}
.hero .eyebrow{color:var(--iris-glow)}
.hero h1{font-size:clamp(2.8rem,8vw,5.6rem);line-height:.96;letter-spacing:-.04em;max-width:14ch}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:.04em;height:.10em;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  animation:wipe .7s 1.1s cubic-bezier(.6,0,.2,1) forwards}
@keyframes wipe{to{transform:scaleX(1)}}
.hero-sub{margin-top:1.6rem;font-size:clamp(1.05rem,1.7vw,1.25rem);color:#C9CBD2;max-width:48ch;line-height:1.55}
.hero-cta{margin-top:2.4rem;display:flex;gap:14px;flex-wrap:wrap}

.tag{position:absolute;z-index:5;font-family:var(--mono);font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--paper);opacity:0;padding:7px 12px;border:1px solid var(--line-dark);
  border-radius:100px;background:rgba(20,23,31,.55);backdrop-filter:blur(4px);white-space:nowrap;
  animation:tagin .6s ease forwards}
.tag .k{color:var(--lime)}
@keyframes tagin{to{opacity:.92}}

.ticker{position:absolute;left:0;bottom:0;z-index:7;width:100%;display:flex;gap:36px;flex-wrap:wrap;
  padding:14px clamp(20px,5vw,40px);border-top:1px solid var(--line-dark);
  font-size:12.5px;color:var(--slate);
  background:linear-gradient(0deg,rgba(14,17,22,.9),transparent)}
.ticker b{color:var(--paper);font-weight:600}
.ticker .grow{margin-left:auto;color:var(--iris-glow)}
@media(max-width:640px){.ticker{display:none}}

/* staged entrance */
.rise{opacity:0;transform:translateY(20px);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.d1{animation-delay:.15s}.d2{animation-delay:.3s}.d3{animation-delay:.45s}.d4{animation-delay:.6s}
@keyframes rise{to{opacity:1;transform:none}}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}

/* ============ section heads ============ */
.shead{margin-bottom:clamp(32px,5vw,56px);max-width:760px}
.shead h2{margin-top:.2rem}

/* ============ WEDGE / PROOF ============ */
.wedge-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,56px);align-items:center}
@media(max-width:820px){.wedge-grid{grid-template-columns:1fr}}
.proof-demo{background:var(--ink);color:var(--paper);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 30px 60px -30px rgba(20,23,31,.45)}
.demo-bar{display:flex;align-items:center;gap:9px;padding:12px 16px;font-size:.8rem;
  color:#C9CBD2;border-bottom:1px solid var(--line-dark)}
.demo-bar .dot--lime{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime)}
.demo-body{padding:18px 16px 16px}
.demo-row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line-dark)}
.demo-k{color:var(--iris-glow);font-size:.75rem;letter-spacing:.04em;text-transform:uppercase}
.demo-v{font-weight:500;text-align:right}
.demo-note{margin-top:14px;color:var(--slate);font-size:.75rem}

/* ============ CARDS (what we automate) ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:720px){.card-grid{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px -24px rgba(20,23,31,.35)}
.card-no{display:block;color:var(--iris);font-size:.8rem;margin-bottom:14px}
.card h3{margin-bottom:.5rem}
.card p{color:var(--slate);font-size:1rem}
.card-meta{display:inline-block;margin-top:16px;color:var(--slate);font-size:.72rem;
  letter-spacing:.04em;text-transform:uppercase}

/* ============ TOOLBOX ============ */
.tool-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}
@media(max-width:640px){.tool-list{grid-template-columns:1fr}}
.tool-list li{padding:20px 22px;border-bottom:1px solid var(--line)}
.tool-list li:nth-child(odd){border-right:1px solid var(--line)}
@media(max-width:640px){.tool-list li:nth-child(odd){border-right:0}}
.tool-list b{display:block;font-weight:600;margin-bottom:3px}
.tool-list span{color:var(--slate);font-size:.95rem}

/* ============ HOW WE WORK ============ */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:720px){.steps{grid-template-columns:1fr}}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;position:relative}
.step-no{color:var(--iris);font-size:.8rem;letter-spacing:.04em}
.step h3{margin:.6rem 0 .4rem}
.step p{color:var(--slate);font-size:1rem}

/* ============ ABOUT (dark) ============ */
.stage-soft{background:var(--ink);color:var(--paper)}
.stage-soft .eyebrow{color:var(--iris-glow)}
.stage-soft .lead{color:#C9CBD2}
.about-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:clamp(28px,5vw,56px);align-items:start}
@media(max-width:820px){.about-grid{grid-template-columns:1fr}}
.about-grid h2{max-width:18ch}
.trust-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.trust-list li{display:flex;gap:12px;align-items:baseline;font-weight:500;color:var(--paper);
  padding-bottom:14px;border-bottom:1px solid var(--line-dark)}
.trust-list li:last-child{border-bottom:0}
.trust-list .mono{color:var(--lime)}

/* ============ CONTACT ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,56px);align-items:start}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact--page{padding-top:clamp(48px,7vw,90px)}
.mail{display:inline-block;margin-top:1.4rem;font-size:1.2rem;font-weight:600}
.powered{margin-top:1.4rem;color:var(--slate);font-size:.8rem}
form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,32px)}
.field{margin-bottom:16px}
.field label{display:block;font-size:.82rem;font-weight:500;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:1rem;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:11px 13px;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--iris);
  box-shadow:0 0 0 3px rgba(91,91,214,.18)}
.field textarea{min-height:120px;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.formstatus{margin-top:14px;font-size:.92rem;color:var(--slate)}
.formstatus.ok{color:var(--iris-600);font-weight:500}
.formstatus.err{color:#c0392b;font-weight:500}
.fnote{margin-top:10px;font-size:.8rem;color:var(--slate)}

/* ============ FOOTER ============ */
.foot{background:var(--ink);color:var(--paper);padding:48px 0 36px}
.foot-in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot .brand{color:var(--paper)}
.foot .brand:hover{color:var(--paper)}
.foot-nav{display:flex;gap:22px;flex-wrap:wrap}
.foot-nav a{color:#C9CBD2;font-size:.92rem}
.foot-nav a:hover{color:var(--paper)}
.foot-meta{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:28px;padding-top:20px;border-top:1px solid var(--line-dark);
  font-size:.82rem;color:var(--slate)}

@media(prefers-reduced-motion:reduce){
  .rise,.rv,.engine-wrap,.tag,.eyebrow .dot,.hero h1 em::after{animation:none!important;transition:none!important;opacity:1!important;transform:none!important}
  .ring{animation:none!important}
}