/* Supernotes brochure site. See DESIGN.md */
:root{--ink:#17142E;--muted:#4A4766;--brand:#5B3DF5;--brand-d:#4328D6;--accent:#FF7A59;--mint:#4BD6A0;--bg:#FFFFFF;--tint:#F6F4FF;--line:#E3E0F5;
--s1:.5rem;--s2:1rem;--s3:1.5rem;--s4:2.5rem;--s5:4.5rem;--r:16px;
--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:1.0625rem;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--brand-d)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:0}
.wrap{width:min(1120px,100% - 2.5rem);margin-inline:auto}
.narrow{max-width:760px}
.center{text-align:center}
.muted{color:var(--muted)}
h1,h2,h3{line-height:1.15;margin:0 0 var(--s2);letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}
h3{font-size:1.2rem;letter-spacing:-.01em}
p{margin:0 0 var(--s2)}
.lead{font-size:clamp(1.1rem,2vw,1.3rem);color:var(--muted)}
.sub{color:var(--muted);margin-bottom:var(--s4)}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;font-weight:700;color:var(--brand-d);margin-bottom:var(--s1)}
.mt{margin-top:var(--s4)}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:1rem;position:relative}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.2rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.nav{list-style:none;margin:0;padding:0;display:flex;gap:.25rem}
.nav a{display:block;padding:.5rem .9rem;border-radius:999px;color:var(--ink);text-decoration:none;font-weight:600;font-size:.98rem}
.nav a:hover{background:var(--tint)}
.nav a[aria-current="page"]{background:var(--tint);color:var(--brand-d)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:.45rem;color:var(--ink);cursor:pointer}
/* buttons */
.btn{display:inline-block;background:var(--brand);color:#fff;padding:.85rem 1.4rem;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid var(--brand);font:inherit;font-weight:700;cursor:pointer;transition:background .15s,transform .15s}
.btn:hover{background:var(--brand-d);border-color:var(--brand-d)}
.btn.ghost{background:transparent;color:var(--brand-d)}
.btn.ghost:hover{background:var(--tint)}
.cta{display:flex;flex-wrap:wrap;gap:var(--s2);margin-top:var(--s3)}
.cta.center{justify-content:center}
/* sections */
.hero{padding:var(--s5) 0;background:linear-gradient(180deg,var(--tint),#fff)}
.page-hero{padding:var(--s5) 0 var(--s4);background:linear-gradient(180deg,var(--tint),#fff)}
.page-hero .narrow{max-width:none}
.page-hero .narrow>*{max-width:760px}
.page-hero .center>*{margin-inline:auto}
.section{padding:var(--s5) 0}
.section.alt{background:var(--tint)}
.grid2{display:grid;grid-template-columns:1.05fr 1fr;gap:var(--s4);align-items:center}
.grid2.top{align-items:start}
.art{display:block;filter:drop-shadow(0 18px 30px rgba(91,61,245,.15))}
.art.wide{margin:var(--s3) auto}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3);margin-top:var(--s3)}
.cards.two{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:var(--s3);box-shadow:0 1px 2px rgba(23,20,46,.04)}
.card h3{margin-top:var(--s2)}
.card p{color:var(--muted);margin:0}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s3)}
.steps li{padding:var(--s3);border:1px solid var(--line);border-radius:var(--r);background:#fff}
.steps p{color:var(--muted);margin:0}
.num{display:inline-grid;place-items:center;width:2.2rem;height:2.2rem;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;margin-bottom:var(--s2)}
.features{display:grid;gap:var(--s3)}
.feature{display:grid;grid-template-columns:auto 1fr;gap:var(--s3);padding:var(--s3);border:1px solid var(--line);border-radius:var(--r);background:#fff}
.feature p{color:var(--muted)}
.ticks{list-style:none;margin:0;padding:0}
.ticks li{position:relative;padding-left:1.8rem;margin:.4rem 0}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:1rem;height:1rem;border-radius:50%;background:var(--mint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.3 2.3 4.7-4.8' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat}
.ticks.big{font-size:1.15rem}
/* form */
.form{scroll-margin-top:90px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:var(--s3)}
.form label{display:block;font-weight:700;margin:var(--s2) 0 .3rem}
.form input,.form select,.form textarea{width:100%;font:inherit;padding:.7rem .85rem;border:1.5px solid #bdb8dd;border-radius:10px;background:#fff;color:var(--ink)}
.form .btn{margin-top:var(--s3)}
.form .btn:disabled{opacity:.6;cursor:wait}
.form .turnstile{margin-top:var(--s3)}
.form-status{margin:var(--s2) 0 0;font-weight:700}
.form-status:empty{display:none}
.form-status.success{color:#1D7A55}
.form-status.error{color:#C0262D}
.note{background:var(--tint);border-radius:10px;padding:.7rem .9rem;font-size:.95rem;color:var(--muted)}
/* footer */
.site-footer{background:var(--ink);color:#D8D5F0;padding:var(--s4) 0}
.site-footer .brand{color:#fff}
.site-footer a{color:#fff}
.foot{display:grid;grid-template-columns:1.4fr 1fr;gap:var(--s3)}
.foot-links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;align-content:start;justify-content:flex-end}
.foot .muted{color:#B9B5DB;margin-top:.5rem}
.acq{grid-column:1/-1;border-top:1px solid #3a3660;padding-top:var(--s2);margin:0;font-size:.95rem}
/* responsive */
@media (max-width:900px){
.grid2{grid-template-columns:1fr}
.cards{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
.nav-toggle{display:inline-flex}
.nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:.5rem;box-shadow:0 12px 30px rgba(23,20,46,.12)}
.nav.open{display:flex}
.cards,.cards.two,.steps{grid-template-columns:1fr}
.feature{grid-template-columns:1fr}
.foot{grid-template-columns:1fr}
.foot-links{justify-content:flex-start}
.hero,.page-hero,.section{padding:var(--s4) 0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}