/* XTen — parent site. Palette is the shared XTen family (Deploy dark / Stack teal). */
:root{
  --ink:#141B26; --ink-2:#1B2431; --text-2:#4B5867; --text-3:#7A8797;
  --bg:#FFFFFF; --bg-alt:#F4F7FA; --surface:#FFFFFF;
  --accent:#2F5FBF; --accent-deep:#234A99; --accent-mid:#4A78D6; --accent-light:#9DB8EE; --accent-pale:#E4ECFA;
  --accent-ghost:rgba(47,95,191,.07); --accent-border:rgba(47,95,191,.22); --border:rgba(20,27,38,.09);
  --gold:#B8860B;
  --stack:#1A7A6E; --deploy:#285A48; --register:#B8860B; --games:#7C3AED; --research:#0E7490; --learn:#C2410C; --media:#B91C1C; --hosting:#BE185D;
  --radius:14px; --radius-sm:8px; --max:1120px;
  --font:"DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --serif:"Playfair Display",Georgia,serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink-2);background:var(--bg);line-height:1.55;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:600}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1em}
.eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:.8em}
.lede{font-size:1.15rem;color:var(--text-2);max-width:62ch}
.muted{color:var(--text-3)}
.small{font-size:.88rem}

/* wordmark: XTen<span>.Product</span> */
.wm{font-weight:700;letter-spacing:-.02em;color:inherit}
.wm span{color:var(--accent-mid)}
.wm.stack span{color:var(--stack)}
.wm.deploy span{color:var(--deploy)}
.wm.register span{color:var(--register)}
.wm.hosting span{color:var(--hosting)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(244,250,250,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;color:var(--ink)}
.nav-logo:hover{text-decoration:none}
.nav-logo svg{width:28px;height:28px}
.nav-links{display:flex;gap:26px;list-style:none;margin:0;padding:0;align-items:center}
.nav-links a{color:var(--text-2);font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--accent);text-decoration:none}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;padding:6px 10px;font:inherit;color:var(--ink)}
@media (max-width:820px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;left:0;right:0;top:64px;background:var(--bg);flex-direction:column;align-items:flex-start;padding:16px 24px 20px;border-bottom:1px solid var(--border);gap:14px}
  .nav-links.open{display:flex}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid transparent;transition:.15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-light{background:#fff;color:var(--ink)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-outline-light:hover{border-color:#fff}

/* hero */
.hero{background:linear-gradient(180deg,#F4F7FA 0%,#FFFFFF 100%);color:var(--ink);position:relative;overflow:hidden;border-bottom:1px solid var(--border)}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(50% 70% at 90% 10%,rgba(157,184,238,.28),transparent 60%),
  radial-gradient(35% 50% at 5% 95%,rgba(228,236,250,.9),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;padding:88px 24px 72px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:600;letter-spacing:-.025em;margin-bottom:.5em}
.hero h1 em{font-family:var(--serif);font-style:italic;font-weight:600;color:var(--accent)}
.hero .lede{color:var(--text-2)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:36px;font-size:.85rem;color:var(--text-3)}
.hero-meta span::before{content:"✦ ";color:var(--accent)}
.hero-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:0 14px 40px rgba(20,27,38,.06)}
.hero-panel h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);margin-bottom:14px}
.hero-panel ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.hero-panel li{display:flex;justify-content:space-between;gap:12px;padding:9px 12px;background:var(--bg-alt);border-radius:var(--radius-sm);font-size:.92rem}
.hero-panel li b{font-weight:600}
.hero-panel li small{color:var(--text-3);white-space:nowrap}
.hero-panel li a{color:inherit}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr;padding:56px 24px 48px}}

/* sections */
section{padding:80px 0}
section.alt{background:var(--bg-alt)}
.section-head{max-width:64ch;margin-bottom:40px}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid-3{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.grid-3,.grid-2{grid-template-columns:1fr}}

/* product cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:10px;transition:.15s;position:relative}
.card:hover{border-color:var(--accent-border);box-shadow:0 10px 30px rgba(13,30,28,.06)}
.card .icon{width:40px;height:40px;border-radius:10px;background:var(--accent-ghost);color:var(--accent);display:grid;place-items:center;margin-bottom:6px}
.card .icon svg{width:22px;height:22px}
.card h3{font-size:1.25rem}
.card p{color:var(--text-2);margin:0}
.card .tag{position:absolute;top:18px;right:18px;font-size:.7rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:999px;background:var(--accent-ghost);color:var(--accent)}
.card .tag.new{background:rgba(217,164,65,.14);color:#8a6416}
.card .price{font-size:.88rem;color:var(--text-3);margin-top:auto;padding-top:8px}
.card .more{font-weight:600;font-size:.93rem;margin-top:8px}
.card .more::after{content:" →"}
.card ul.check{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:6px;font-size:.92rem;color:var(--text-2)}
.card ul.check li::before{content:"✓ ";color:var(--accent);font-weight:700}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}
.stat{border-top:2px solid var(--accent-light);padding-top:14px}
.stat b{display:block;font-size:2rem;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
.stat span{color:var(--text-3);font-size:.9rem}
@media (max-width:700px){.stats{grid-template-columns:1fr 1fr}}

/* how it fits / ladder */
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.ladder > div{padding:28px;border-right:1px solid var(--border)}
.ladder > div:last-child{border-right:0}
.ladder .step{font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-weight:600}
.ladder h3{margin-top:8px}
.ladder p{color:var(--text-2);font-size:.95rem;margin:0}
@media (max-width:820px){.ladder{grid-template-columns:1fr}.ladder > div{border-right:0;border-bottom:1px solid var(--border)}.ladder > div:last-child{border-bottom:0}}

/* charter */
.charter{background:var(--bg-alt);color:var(--ink);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.charter .eyebrow{color:var(--gold)}
.charter .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.tracks{display:grid;gap:14px}
.track{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.track h3{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.track h3 small{font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);font-weight:600}
.track .pct{font-size:2rem;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
.track .pct span{font-size:.9rem;font-weight:400;color:var(--text-3);margin-left:6px}
.track p{color:var(--text-2);font-size:.93rem;margin:6px 0 0}
.charter ul.plain{list-style:none;padding:0;margin:20px 0 28px;display:grid;gap:10px;color:var(--text-2)}
.charter ul.plain li::before{content:"— ";color:var(--gold)}
@media (max-width:820px){.charter .wrap{grid-template-columns:1fr}}

/* AI agent strip */
.agent{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.agent .chat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:grid;gap:10px;font-size:.92rem}
.agent .bubble{padding:10px 14px;border-radius:12px;max-width:85%}
.agent .them{background:var(--bg-alt);color:var(--ink-2);justify-self:start}
.agent .tim{background:var(--accent);color:#fff;justify-self:end}
.agent .sys{font-size:.75rem;color:var(--text-3);justify-self:center}
@media (max-width:820px){.agent{grid-template-columns:1fr}}

/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.contact-grid .card h3{font-size:1rem}
.contact-grid .card a{font-weight:600}
@media (max-width:700px){.contact-grid{grid-template-columns:1fr}}

/* footer */
footer{background:var(--bg-alt);color:var(--text-2);padding:56px 0 28px;font-size:.9rem;border-top:1px solid var(--border)}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:28px;margin-bottom:40px}
footer h4{color:var(--ink);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer a{color:var(--text-2)}
footer a:hover{color:var(--accent)}
footer .legal{border-top:1px solid var(--border);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:var(--text-3)}
@media (max-width:900px){footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:520px){footer .cols{grid-template-columns:1fr}}

/* subpage */
.page-head{padding:64px 0 40px;background:var(--bg-alt);border-bottom:1px solid var(--border)}
.page-head h1{font-size:clamp(2rem,4vw,2.8rem);font-weight:600;letter-spacing:-.02em}
.prose{max-width:72ch}
.prose h2{margin-top:2em;font-size:1.5rem}
.prose table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}
.prose th{font-weight:600;color:var(--ink)}
.notice{background:var(--accent-ghost);border:1px solid var(--accent-border);border-radius:var(--radius-sm);padding:14px 18px;font-size:.93rem}

/* fixes after first preview */
.nav-links a.btn{color:#fff}
.nav-links a.btn:hover{color:#fff}
.card .more{color:var(--accent)}
.contact-grid .card p{margin:0}
.wrap.prose{max-width:var(--max)}
.wrap.prose > *{max-width:72ch}

/* family groups */
.group{margin-top:44px}
.group:first-of-type{margin-top:0}
.group-head{display:flex;align-items:baseline;gap:14px;margin-bottom:16px;border-bottom:1px solid var(--border);padding-bottom:10px}
.group-head h3{font-size:1rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);margin:0}
.group-head span{color:var(--text-3);font-size:.9rem}
.card.t-stack .icon{background:rgba(26,122,110,.1);color:var(--stack)}
.card.t-deploy .icon{background:rgba(40,90,72,.1);color:var(--deploy)}
.card.t-register .icon{background:rgba(184,134,11,.12);color:var(--register)}
.card.t-hosting .icon{background:rgba(190,24,93,.1);color:var(--hosting)}
.card.t-games .icon{background:rgba(124,58,237,.1);color:var(--games)}
.card.t-research .icon{background:rgba(14,116,144,.1);color:var(--research)}
.card.t-learn .icon{background:rgba(194,65,12,.1);color:var(--learn)}
.card.t-media .icon{background:rgba(185,28,28,.1);color:var(--media)}
.card .tag.soon{background:var(--bg-alt);color:var(--text-3)}
.card.soon{border-style:dashed}
.btn-light{background:var(--ink);color:#fff}
.btn-light:hover{background:#000}
.btn-outline-light{color:var(--ink);border-color:var(--border)}
.btn-outline-light:hover{border-color:var(--accent);color:var(--accent)}