/* IRene design system — shared across subpages (matches index.html) */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --bg:#F3F4F2;--bg-2:#EDEEEB;--card:#FFFFFF;
  --ink:#16181B;--body:#4C4F52;--muted:#888C8E;
  --line:#E3E4E0;--line-2:#D8D9D4;
  --em:#0AC06D;--em-deep:#08A85F;--em-bright:#0BE07F;
  --em-tint:rgba(10,192,109,.055);--em-tint-2:rgba(10,192,109,.10);--em-ring:rgba(10,192,109,.28);
  --amber:#B7791F;--red:#D6492E;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --e1:0 1px 2px rgba(16,18,22,.05),0 2px 6px rgba(16,18,22,.05);
  --e2:0 1px 2px rgba(16,18,22,.04),0 8px 20px -6px rgba(16,18,22,.09),0 20px 46px -16px rgba(16,18,22,.12);
  --e3:0 2px 4px rgba(16,18,22,.05),0 14px 30px -8px rgba(16,18,22,.13),0 30px 64px -20px rgba(16,18,22,.16);
  --gloss:inset 0 1px 0 rgba(255,255,255,.22);
  --r-card:20px;--r-input:12px;--r-pill:999px;--maxw:1200px;
}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--body);font-family:var(--sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;letter-spacing:-0.005em;min-height:100vh;display:flex;flex-direction:column;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;width:100%;}
h1,h2,h3,h4{color:var(--ink);font-weight:640;letter-spacing:-0.028em;line-height:1.05;text-wrap:balance;}
.em{color:var(--em);}
a{color:inherit;text-decoration:none;}
:focus-visible{outline:2px solid var(--em);outline-offset:2px;border-radius:4px;}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--em);}

/* buttons */
.btn{font-family:var(--sans);font-size:14px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:var(--r-pill);border:2px solid transparent;padding:11px 20px;transition:transform .16s,box-shadow .16s,background .16s,border-color .16s,color .16s,opacity .16s;white-space:nowrap;letter-spacing:-0.01em;}
.btn-primary{background:var(--em);color:#fff;box-shadow:var(--gloss),0 6px 16px -6px rgba(10,192,109,.5);}
.btn-primary:hover{background:var(--em-deep);transform:translateY(-1px);box-shadow:var(--gloss),0 10px 22px -6px rgba(10,192,109,.55);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2);}
.btn-ghost:hover{border-color:var(--em);color:var(--em);}
.btn-lg{padding:14px 26px;font-size:15px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(243,244,242,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line);}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-name{font-size:20px;font-weight:680;color:var(--ink);letter-spacing:-0.02em;}
.brand-by{font-size:9px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);border-left:1px solid var(--line-2);padding-left:10px;}
.nav-links{display:flex;align-items:center;gap:24px;list-style:none;}
.nav-links a{font-size:14px;color:var(--body);transition:color .18s;}
.nav-links a:hover{color:var(--ink);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-cta .btn{padding:8px 16px;font-size:13px;}

/* page shell */
main{flex:1;position:relative;}
.page{max-width:var(--maxw);margin:0 auto;padding:76px 32px;width:100%;}
.page-head{max-width:720px;margin:0 0 52px;}
.page-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.page-title{font-size:clamp(40px,5vw,64px);font-weight:660;letter-spacing:-0.035em;line-height:1.02;margin:16px 0 0;color:var(--ink);}
.page-title em{font-style:normal;color:var(--em);}
.lead{font-size:clamp(16px,1.5vw,19px);color:var(--body);line-height:1.65;margin:20px 0 0;}
.page-head.center .lead{max-width:560px;margin-left:auto;margin-right:auto;}

/* card / form */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--e2);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;}
.input{width:100%;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-input);padding:13px 15px;color:var(--ink);font-family:var(--sans);font-size:15px;outline:none;transition:border-color .18s,box-shadow .18s;}
.input::placeholder{color:rgba(22,24,27,.32);}
.input:focus{border-color:var(--em);box-shadow:0 0 0 3px var(--em-tint-2);}
textarea.input{resize:vertical;min-height:130px;}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px;}

/* alerts */
.alert{border-radius:var(--r-input);padding:13px 16px;font-size:14px;line-height:1.5;margin-bottom:18px;display:none;}
.alert.show{display:block;}
.alert-ok{background:var(--em-tint-2);border:1px solid var(--em-ring);color:var(--em-deep);}
.alert-err{background:rgba(214,73,46,.08);border:1px solid rgba(214,73,46,.25);color:var(--red);}
.alert-err a{color:var(--red);text-decoration:underline;}

/* footer */
footer{border-top:1px solid var(--line);padding:56px 0 32px;margin-top:auto;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px;}
.foot-tag{font-size:13.5px;color:var(--muted);margin-top:14px;max-width:280px;line-height:1.6;}
.foot-col h4{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;}
.foot-col a{display:block;font-size:14px;color:var(--body);margin-bottom:10px;transition:color .18s;}
.foot-col a:hover{color:var(--ink);}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap;gap:12px;}
.foot-copy{font-size:12.5px;color:var(--muted);}
.foot-legal{display:flex;gap:20px;}
.foot-legal a{font-size:12.5px;color:var(--muted);transition:color .18s;}
.foot-legal a:hover{color:var(--ink);}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);}
.reveal.vis{opacity:1;transform:none;}

/* responsive */
@media(max-width:820px){
  .nav-links{display:none;}
  .page{padding:52px 24px;}
  .row2{grid-template-columns:1fr;gap:0;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:560px){
  .foot-grid{grid-template-columns:1fr;}
  .wrap,.page{padding-left:20px;padding-right:20px;}
  .brand-by{display:none;}
  .nav-cta .btn-ghost{display:none;}
  .nav-cta .btn{padding:8px 14px;}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important;}.reveal{opacity:1!important;transform:none!important;}}