/* =========================================================================
   OPEN SIGN STUDIO — shared stylesheet (tokens + components used on every page)
   Page-specific rules live in css/<page>.css. Change the tokens; the site follows.
   ========================================================================= */
:root{
  --ink:#16131f;        /* near-black plum: headings, dark surfaces */
  --ink-soft:#4a4557;   /* body text */
  --muted:#7a7488;      /* captions, eyebrows */
  --accent:#6a4cff;     /* violet: buttons, links (4.5:1 on paper) */
  --accent-2:#ff7a59;   /* coral: highlights, badges */
  --accent-3:#19b394;   /* teal: success, "live" */
  --paper:#faf9f6;      /* page */
  --surface:#ffffff;
  --surface-2:#f2effb;  /* violet tint */
  --line:#e6e2ee;
  --ink-deep:#0f0d16;   /* footer */
  --on-ink:#f4f1fb;
  --on-ink-soft:#b9b3c9;
  --accent-light:#b9a8ff;
  --focus-ring:rgba(106,76,255,.22);
  --danger:#c0303a;
  --font-display:"Fraunces","Iowan Old Style",Georgia,serif;
  --font-body:"Manrope","Avenir Next","Segoe UI",system-ui,-apple-system,sans-serif;
  --wrap:1180px; --gap:clamp(1rem,2.5vw,2rem); --section-y:clamp(3.5rem,8vw,6.5rem);
  --radius:14px; --radius-lg:24px;
  --shadow:0 10px 30px rgba(22,19,31,.08); --shadow-lg:0 30px 80px rgba(22,19,31,.16);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{overflow-x:clip}
body{margin:0;background:var(--paper);color:var(--ink-soft);font:400 1.0625rem/1.65 var(--font-body);-webkit-font-smoothing:antialiased}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.12;margin:0 0 .5em;font-weight:500;letter-spacing:-.01em}
h1{font-size:clamp(2.4rem,5.5vw,4.2rem);font-variation-settings:"opsz" 144,"SOFT" 60}
h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
h3{font-size:1.35rem}
p{margin:0 0 1em}
.wrap{width:min(var(--wrap),100% - 2rem);margin-inline:auto}
.eyebrow{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin:0 0 .9rem}
.lead{font-size:1.2rem;color:var(--ink-soft);max-width:60ch}
.muted{color:var(--muted)}
.section{padding-block:var(--section-y)}
.section--tint{background:var(--surface-2)}
.section--dark{background:var(--ink);color:var(--on-ink-soft)}
.section--dark h1,.section--dark h2,.section--dark h3{color:var(--on-ink)}
.section--dark .eyebrow{color:var(--accent-light)}
.section-head{max-width:64ch;margin-bottom:2.5rem}
:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px;border-radius:6px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.4rem;border-radius:999px;background:var(--accent);color:#fff;font-weight:700;font-size:.98rem;border:0;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 24px rgba(106,76,255,.28)}
.btn:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn--ghost:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn--light{background:#fff;color:var(--ink)}
.btn--coral{background:var(--accent-2)}
.btn--sm{padding:.55rem 1rem;font-size:.9rem}
.btn[disabled]{opacity:.5;pointer-events:none}
.link-arrow::after{content:"→";margin-left:.35rem;transition:transform .2s}
.link-arrow:hover::after{transform:translateX(3px)}

/* header */
.demo-banner{background:var(--ink);color:var(--on-ink);font-size:.85rem;text-align:center;padding:.5rem 1rem}
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,249,246,.97);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:1.25rem;min-height:72px}
.brand{display:flex;align-items:center;gap:.65rem;color:var(--ink);font-family:var(--font-display);font-size:1.3rem;font-weight:600}
.brand:hover{text-decoration:none}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:grid;place-items:center;color:#fff;font:700 1rem var(--font-body);box-shadow:0 6px 16px rgba(106,76,255,.3)}
.nav-links{list-style:none;margin:0 0 0 auto;padding:0;display:flex;gap:1.4rem}
.nav-links a{color:var(--ink-soft);font-weight:600;font-size:.95rem}
.nav-links a[aria-current="page"],.nav-links a:hover{color:var(--ink);text-decoration:none}
.nav-cta{margin-left:.25rem}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:0;background:none;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:10px}
.burger span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
@media (max-width:900px){
  .nav-links{position:fixed;left:0;right:0;top:72px;height:calc(100vh - 72px);height:calc(100dvh - 72px);background:var(--paper);flex-direction:column;padding:2rem 1.5rem;gap:1.2rem;overflow:auto;transform:translateX(100%);transition:transform .3s var(--ease);visibility:hidden;z-index:60;border-top:1px solid var(--line)}
  .nav-links.open{transform:none;visibility:visible}
  .nav-links a{font-size:1.25rem}
  .nav-cta{display:none}
  .burger{display:flex}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* cards & grids */
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.6rem;box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card h3{margin-top:.4rem}
.badge{display:inline-block;padding:.25rem .65rem;border-radius:999px;font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:var(--surface-2);color:var(--accent)}
.badge--live{background:#e4f7f1;color:#0f7f68}
.badge--draft{background:#fff1ea;color:#b5461f}
.badge--coral{background:#fff1ea;color:#b5461f}
.pill-row{display:flex;flex-wrap:wrap;gap:.5rem}
.pill{padding:.45rem .9rem;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);font-size:.9rem;font-weight:600;color:var(--ink-soft);cursor:pointer}
.pill[aria-pressed="true"],.pill.active{border-color:var(--accent);background:var(--surface-2);color:var(--accent)}
.price{font-family:var(--font-display);font-size:2.4rem;color:var(--ink);line-height:1}
.price small{font:600 .9rem var(--font-body);color:var(--muted)}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{padding-left:1.7rem;position:relative;margin:.45rem 0}
.check-list li::before{content:"";position:absolute;left:0;top:.45em;width:1rem;height:1rem;border-radius:50%;background:var(--accent-3);mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3 3 7-7' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat,linear-gradient(#000,#000);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3 3 7-7' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat}
.note{background:var(--surface-2);border-left:4px solid var(--accent);padding:1rem 1.2rem;border-radius:0 var(--radius) var(--radius) 0;font-size:.95rem}
.table{width:100%;border-collapse:collapse;font-size:.95rem}
.table th,.table td{text-align:left;padding:.75rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}
.table th{color:var(--ink);font-weight:700}

/* forms */
.field{display:grid;gap:.35rem;margin-bottom:1.1rem}
.field label{font-weight:700;color:var(--ink);font-size:.92rem}
.field input,.field select,.field textarea{font:inherit;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 4px var(--focus-ring)}
.field .hint{font-size:.85rem;color:var(--muted)}
.field .error{color:var(--danger);font-size:.88rem}
.choice{display:flex;gap:.8rem;align-items:flex-start;padding:1rem 1.1rem;border:1.5px solid var(--line);border-radius:var(--radius);background:#fff;cursor:pointer;transition:border-color .2s,background .2s}
.choice:has(input:checked){border-color:var(--accent);background:var(--surface-2)}
.choice input{margin-top:.3rem;accent-color:var(--accent)}
.choice strong{display:block;color:var(--ink)}
.choice span{font-size:.92rem;color:var(--ink-soft)}
.toast{position:fixed;left:50%;bottom:1.5rem;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:.8rem 1.2rem;border-radius:999px;opacity:0;transition:.3s;z-index:90;pointer-events:none;font-weight:600}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* footer */
.site-footer{background:var(--ink-deep);color:var(--on-ink-soft);padding:3.5rem 0 2rem;margin-top:var(--section-y)}
.site-footer a{color:var(--on-ink)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{color:var(--on-ink);font:700 .85rem/1 var(--font-body);letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.4rem 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:2.5rem;padding-top:1.4rem;font-size:.85rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between}

/* motion */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.1s}.reveal[data-delay="2"]{transition-delay:.2s}.reveal[data-delay="3"]{transition-delay:.3s}.reveal[data-delay="4"]{transition-delay:.4s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes shimmer{to{background-position:200% 0}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}