/* wavn.ai — site styles. Palette and type come from the branding folder:
   Purple #534AB7 · Mid #7F77DD · Mist #AFA9EC · Night #06050D · Fog #EEEDFE
   Headings: Space Grotesk · Body: DM Sans */

@font-face{font-family:'DM Sans';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/dm-sans-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/dm-sans-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/dm-sans-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/dm-sans-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/space-grotesk-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/space-grotesk-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/space-grotesk-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/space-grotesk-latin-700-normal.woff2') format('woff2')}

:root{
  --purple:#534AB7; --mid:#7F77DD; --mist:#AFA9EC;
  --night:#06050D; --fog:#EEEDFE;
  --panel:#0D0C17; --panel2:#100E1C; --raise:#17152A;
  --line:#1C1A2E; --line-hi:#35315A;
  --soft:#8B87A6; --text:#EEEDFE;
  --green:#3FB8A8; --red:#E27A52; --gold:#E2A03F;
  --ease:cubic-bezier(0.2,0,0,1);
  --maxw:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--night);color:var(--text);font-family:'DM Sans',sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4,.display{font-family:'Space Grotesk',sans-serif;font-weight:600;line-height:1.15;letter-spacing:-0.015em}
a{color:var(--mist);text-decoration:none}
a:hover{color:var(--fog)}
img{max-width:100%;display:block}
::selection{background:rgba(83,74,183,.45);color:var(--fog)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(6,5,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:28px}
.nav-logo img{height:26px;width:auto}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-btn{display:flex;align-items:center;gap:6px;background:none;border:0;color:var(--soft);font:inherit;font-size:14.5px;font-weight:500;padding:8px 12px;border-radius:8px;cursor:pointer;transition:color .15s var(--ease)}
.nav-plain{color:var(--soft);font-size:14.5px;font-weight:500;padding:8px 12px;border-radius:8px;transition:color .15s var(--ease)}
.nav-item{position:relative}
.nav-item:hover .nav-btn,.nav-item:focus-within .nav-btn,.nav-plain:hover{color:var(--fog)}
.nav-btn svg{opacity:.55;transition:transform .18s var(--ease)}
.nav-item:hover .nav-btn svg{transform:rotate(180deg)}
.nav-menu{position:absolute;top:100%;left:0;min-width:270px;padding:8px;background:var(--panel2);border:1px solid var(--line-hi);border-radius:12px;box-shadow:0 18px 50px rgba(0,0,0,.55);opacity:0;visibility:hidden;transform:translateY(6px);transition:all .18s var(--ease)}
.nav-item:hover .nav-menu,.nav-item:focus-within .nav-menu{opacity:1;visibility:visible;transform:translateY(2px)}
.nav-menu a{display:block;padding:9px 12px;border-radius:8px}
.nav-menu a:hover{background:var(--raise)}
.nm-t{display:block;font-size:14px;font-weight:600;color:var(--fog)}
.nm-d{display:block;font-size:12.5px;color:var(--soft)}
.nav-cta{display:flex;align-items:center;gap:10px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'DM Sans',sans-serif;font-size:15px;font-weight:600;border-radius:9px;padding:11px 22px;cursor:pointer;transition:all .18s var(--ease);border:1px solid transparent;white-space:nowrap}
.btn-sm{padding:7px 15px;font-size:14px}
.btn-primary{background:var(--purple);color:#fff;border-color:var(--purple)}
.btn-primary:hover{background:var(--mid);border-color:var(--mid);color:#fff}
.btn-ghost{background:transparent;color:var(--fog);border-color:var(--line-hi)}
.btn-ghost:hover{border-color:var(--mist);color:var(--fog)}
.btn-lg{padding:14px 30px;font-size:16px}

/* burger + mobile */
.nav-burger{display:none;background:none;border:0;cursor:pointer;padding:10px;margin-left:auto}
.nav-burger span{display:block;width:20px;height:2px;background:var(--fog);margin:4px 0;border-radius:2px;transition:all .2s var(--ease)}
.nav-mobile{display:none}
@media(max-width:960px){
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:block}
  .nav-mobile{display:none;border-top:1px solid var(--line);padding:16px 24px 24px;max-height:calc(100vh - 64px);overflow:auto}
  .nav-mobile.open{display:block}
  .nm-group{padding:10px 0;border-bottom:1px solid var(--line)}
  .nm-h{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--soft);margin-bottom:6px}
  .nav-mobile a{display:block;padding:7px 0;color:var(--fog);font-size:15px}
  .nm-actions{display:flex;gap:12px;padding-top:18px}
  .nm-actions .btn{flex:1}
}

/* ---------- sections ---------- */
.section{padding:112px 0}
.section-tight{padding:80px 0}
.page-hero+.section-tight,.page-hero+.section{padding-top:16px}
.section-line{border-top:1px solid var(--line)}
.kicker{font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--mid);margin-bottom:14px}
.section h2{font-size:clamp(28px,4vw,40px);margin-bottom:16px}
.section .lead{font-size:18px;color:var(--soft);max-width:640px}
.center{text-align:center}
.center .lead{margin:0 auto}

/* hero */
.hero{position:relative;padding:130px 0 120px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% -20% auto;height:130%;background:
  radial-gradient(42% 55% at 50% 8%,rgba(83,74,183,.28),transparent 70%),
  radial-gradient(30% 40% at 78% 22%,rgba(127,119,221,.12),transparent 70%);pointer-events:none}
.hero .container{position:relative}
.hero h1{font-size:clamp(38px,6vw,64px);max-width:850px;margin:22px auto 0}
.hero .grad{background:linear-gradient(92deg,var(--mid),var(--mist));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:19px;color:var(--soft);max-width:620px;margin:24px auto 0}
.hero-cta{display:flex;gap:14px;justify-content:center;margin-top:38px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:500;color:var(--mist);background:rgba(83,74,183,.12);border:1px solid rgba(127,119,221,.35);border-radius:999px;padding:6px 16px}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--green)}

/* cards */
.grid{display:grid;gap:20px;margin-top:56px}
.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:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px;transition:border-color .18s var(--ease)}
.card:hover{border-color:var(--line-hi)}
.card h3{font-size:18px;margin:16px 0 8px}
.card p{font-size:14.5px;color:var(--soft)}
.card .ico{width:40px;height:40px;border-radius:10px;background:var(--raise);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--mist)}
a.card{display:block;color:inherit}
a.card .more{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--mist)}
a.card:hover .more{color:var(--fog)}

/* chat illustration */
.demo{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px;max-width:640px;margin:56px auto 0}
.demo-label{font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--soft);margin-bottom:18px}
.bubble{max-width:85%;padding:12px 16px;border-radius:12px;font-size:14.5px;margin-bottom:14px}
.bubble.you{background:var(--purple);color:#fff;margin-left:auto;border-bottom-right-radius:4px}
.bubble.wavn{background:var(--raise);border:1px solid var(--line);color:var(--text);border-bottom-left-radius:4px}
.filecard{display:flex;align-items:center;gap:14px;background:var(--panel2);border:1px solid var(--line-hi);border-radius:12px;padding:14px 16px;max-width:85%}
.filecard .fc-ico{width:38px;height:38px;border-radius:9px;background:rgba(63,184,168,.14);border:1px solid rgba(63,184,168,.4);display:flex;align-items:center;justify-content:center;color:var(--green);font-family:'Space Grotesk',sans-serif;font-size:11px;font-weight:700}
.filecard .fc-name{font-size:14px;font-weight:600;color:var(--fog)}
.filecard .fc-meta{font-size:12.5px;color:var(--soft)}

/* steps */
.steps{counter-reset:step;display:grid;gap:0;margin-top:56px}
.step{display:grid;grid-template-columns:64px 1fr;gap:26px;padding:34px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step .n{counter-increment:step;font-family:'Space Grotesk',sans-serif;font-size:15px;font-weight:600;color:var(--mid);border:1px solid var(--line-hi);border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center}
.step .n::before{content:counter(step,decimal-leading-zero)}
.step h3{font-size:20px;margin-bottom:8px}
.step p{color:var(--soft);max-width:640px}

/* prose (legal, articles) */
.prose{max-width:760px}
.prose h1{font-size:clamp(30px,4.5vw,44px);margin-bottom:10px}
.prose .updated{font-size:14px;color:var(--soft);margin-bottom:40px}
.prose h2{font-size:22px;margin:44px 0 12px}
.prose h3{font-size:17px;margin:28px 0 8px}
.prose p{margin:14px 0;color:#C9C6DE}
.prose ul,.prose ol{margin:14px 0 14px 22px;color:#C9C6DE}
.prose li{margin:7px 0}
.prose strong{color:var(--fog)}
.prose .callout{background:var(--panel);border:1px solid var(--line-hi);border-left:3px solid var(--purple);border-radius:10px;padding:18px 22px;margin:26px 0}
.prose .callout p{margin:0;color:var(--text)}

/* page hero (interior pages) */
.page-hero{padding:96px 0 64px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:-60% -20% auto;height:150%;background:radial-gradient(40% 50% at 50% 0%,rgba(83,74,183,.18),transparent 70%);pointer-events:none}
.page-hero .container{position:relative}
.page-hero h1{font-size:clamp(32px,5vw,52px);max-width:760px}
.page-hero .sub{font-size:18px;color:var(--soft);max-width:640px;margin-top:18px}

/* kb */
.kb{display:grid;grid-template-columns:250px 1fr;gap:56px;align-items:start}
.kb-side{position:sticky;top:96px;border-left:1px solid var(--line);padding-left:0}
.kb-side a{display:block;font-size:14px;color:var(--soft);padding:6px 0 6px 16px;border-left:2px solid transparent;margin-left:-1px}
.kb-side a:hover{color:var(--fog)}
.kb-side .kh{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--soft);margin:18px 0 6px;padding-left:16px}
.kb-side .kh:first-child{margin-top:0}
.article{max-width:720px;padding:36px 0;border-top:1px solid var(--line)}
.article:first-of-type{border-top:0;padding-top:0}
.article h2{font-size:24px;margin-bottom:12px}
.article h3{font-size:17px;margin:22px 0 6px}
.article p,.article li{color:#C9C6DE;font-size:15.5px}
.article p{margin:10px 0}
.article ul{margin:12px 0 12px 22px}
.article .tip{font-size:14px;color:var(--soft);background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-top:16px}
@media(max-width:900px){.kb{grid-template-columns:1fr}.kb-side{position:static;display:none}}

/* faq */
.faq{max-width:760px;margin:48px auto 0}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:22px 4px;font-family:'Space Grotesk',sans-serif;font-size:17px;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--soft);transition:transform .18s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 4px 24px;color:var(--soft);max-width:660px}

/* changelog */
.log{max-width:760px;margin-top:8px}
.log-entry{display:grid;grid-template-columns:150px 1fr;gap:30px;padding:36px 0;border-top:1px solid var(--line)}
.log-date{font-size:14px;color:var(--soft);padding-top:4px}
.log-entry h3{font-size:19px;margin-bottom:10px}
.log-entry p,.log-entry li{color:#C9C6DE;font-size:15px}
.log-entry ul{margin:10px 0 0 20px}
.tag{display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;border-radius:6px;padding:2px 9px;margin-right:8px}
.tag-new{color:var(--green);background:rgba(63,184,168,.12);border:1px solid rgba(63,184,168,.35)}
.tag-improved{color:var(--mist);background:rgba(127,119,221,.12);border:1px solid rgba(127,119,221,.35)}
.tag-fixed{color:var(--gold);background:rgba(226,160,63,.12);border:1px solid rgba(226,160,63,.35)}
@media(max-width:640px){.log-entry{grid-template-columns:1fr;gap:8px}}

/* big cta */
.cta-band{border-top:1px solid var(--line);background:
  radial-gradient(50% 90% at 50% 110%,rgba(83,74,183,.22),transparent 75%);text-align:center;padding:120px 0}
.cta-band h2{font-size:clamp(30px,4.5vw,44px)}
.cta-band p{color:var(--soft);font-size:17px;margin:16px auto 34px;max-width:520px}

/* misc */
.tbl{width:100%;border-collapse:collapse;margin-top:32px;font-size:15px}
.tbl th{text-align:left;font-family:'Space Grotesk',sans-serif;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--soft);padding:12px 16px;border-bottom:1px solid var(--line-hi)}
.tbl td{padding:14px 16px;border-bottom:1px solid var(--line);color:#C9C6DE;vertical-align:top}
.tbl td:first-child{color:var(--fog);font-weight:600}
.mono{font-family:ui-monospace,Menlo,monospace;font-size:.92em;color:var(--mist)}
.footnote{font-size:13.5px;color:var(--soft)}
.dash{color:var(--soft)}
hr.rule{border:0;border-top:1px solid var(--line);margin:56px 0}

/* footer */
.footer{border-top:1px solid var(--line);padding:72px 0 40px;background:var(--night)}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(6,1fr);gap:32px}
.footer-brand img{height:24px;width:auto;margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--soft);max-width:200px}
.fc-h{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--fog);margin-bottom:14px}
.footer-col a{display:block;font-size:13.5px;color:var(--soft);padding:4px 0}
.footer-col a:hover{color:var(--fog)}
.footer-base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:56px;padding-top:28px;font-size:13px;color:var(--soft)}
@media(max-width:1080px){.footer-grid{grid-template-columns:repeat(3,1fr)}.footer-brand{grid-column:1/-1}}
@media(max-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}

body.nav-open{overflow:hidden}