/* Studio — carbon SaaS landing. Tokens from TOKEN-PLAN.md */
:root{
  --paper:#F0EDE6;
  --paper-0:#F7F4EE;
  --paper-2:#E8E4DC;
  --navy:#031230;
  --ink:#0E0E0E;
  --sky:#CFE2F2;
  --accent:#3F7CB8;
  --mute:#45566F;
  --line:#D2CCBF;
  --white:#FFFFFF;
  --radius:20px;
  --font:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:1rem;
  line-height:1.55;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{margin:0}
p{margin:0}

.wrap{max-width:1200px;margin:0 auto;padding-inline:24px}
.center{text-align:center}

/* type */
.display{
  font-weight:700;
  letter-spacing:-0.03em;
  line-height:1.08;
  color:var(--navy);
  font-size:clamp(2.4rem,5.4vw,3.6rem);
}
.display-md{font-size:clamp(2rem,4.4vw,2.9rem)}
.display-sm{font-size:clamp(1.8rem,3.6vw,2.4rem)}
.display em{font-style:normal;font-weight:400;color:var(--navy)}
.thin{font-weight:400}
.display em.thin{font-weight:400}
h1.display em{font-style:normal}
.display-sm{font-weight:700;color:var(--navy)}
.display-sm .thin{font-weight:400}
.display-md{color:var(--navy)}
.display-md em{font-weight:400}
h1.display{color:var(--navy)}
.lede{color:var(--mute);max-width:42rem;margin-top:20px;font-size:1.05rem}
.body{color:var(--mute);max-width:44rem;margin-top:16px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 26px;border-radius:10px;
  font-weight:600;font-size:.95rem;text-decoration:none;
  transition:transform .18s ease,background .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-navy{background:var(--navy);color:var(--white)}
.btn-navy:hover{background:#0A2350}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--navy)}
.btn-ghost:hover{background:var(--navy);color:var(--white)}
.btn-sm{padding:9px 18px;border-radius:9px;font-size:.88rem}

/* a11y */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{
  position:absolute;left:16px;top:-48px;z-index:100;
  background:var(--navy);color:var(--white);padding:10px 16px;border-radius:8px;
  text-decoration:none;font-weight:600;transition:top .2s ease;
}
.skip:focus{top:16px}

/* nav */
.nav{
  position:sticky;top:0;z-index:50;
  background:var(--paper-0);
  border-bottom:1px solid transparent;
}
.nav-inner{display:flex;align-items:center;gap:32px;height:68px}
.brand{
  font-weight:700;font-size:1.35rem;letter-spacing:-0.02em;
  color:var(--navy);text-decoration:none;
}
.nav-links{display:flex;gap:30px;margin-left:36px}
.nav-links a{
  color:var(--ink);text-decoration:none;font-size:.93rem;font-weight:500;
}
.nav-links a:hover{color:var(--accent)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:22px}
.link-quiet{color:var(--ink);text-decoration:none;font-size:.93rem;font-weight:500}
.link-quiet:hover{color:var(--navy);text-decoration:underline}
.menu-btn{
  display:none;margin-left:auto;
  width:40px;height:40px;background:none;border:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:7px;
}
.menu-btn span{display:block;width:24px;height:2px;background:var(--navy)}
.mobile-menu{display:none;flex-direction:column;gap:4px;padding:8px 24px 20px;background:var(--paper-0)}
.mobile-menu a{color:var(--ink);text-decoration:none;padding:10px 0;font-weight:500;border-bottom:1px solid var(--line)}
.mobile-menu .btn{margin-top:14px;border-bottom:0;justify-content:center}

/* hero */
.hero{padding-block:56px 0;overflow:hidden}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.pill{
  display:inline-block;
  background:var(--sky);color:var(--navy);
  font-size:.72rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  padding:7px 16px;border-radius:999px;
}
.hero-copy .display{margin-top:22px}
.cta-row{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}

.hero-orb{padding-block:12px}
.orb-svg{width:100%;height:auto}
.wire{stroke:var(--accent);stroke-width:1.5;stroke-dasharray:3 5;opacity:.55;fill:none}
.node{fill:var(--white);stroke:var(--line)}
.orb circle:first-child{fill:var(--navy)}
.float{animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* logo rail */
.rail{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
  padding-block:44px 56px;
  border-top:1px solid var(--line);margin-top:44px;
  color:var(--mute);
}
.rail-mark{
  font-weight:600;font-size:1.02rem;letter-spacing:.04em;
  color:#8B857A;opacity:.85;
}

/* feature dock */
.dock-section{padding-block:24px 72px}
.dock-section .center{margin-bottom:44px}
.dock{
  display:grid;grid-template-columns:300px 1fr;
  background:var(--paper-2);border-radius:var(--radius);
  overflow:hidden;
}
.tabs{list-style:none;margin:0;padding:0}
.tab{
  padding:26px 28px;border-bottom:1px solid var(--line);
}
.tab:last-child{border-bottom:0}
.tab h3{font-size:1.18rem;font-weight:600;color:var(--navy);letter-spacing:-0.01em}
.tab p{margin-top:8px;color:var(--mute);font-size:.9rem;max-width:34ch}
.tab.is-active{background:var(--paper-0)}
.mock{
  border-left:1px solid var(--line);
  display:flex;gap:56px;justify-content:center;align-items:center;
  padding:56px 40px;flex-wrap:wrap;
}
.mock-label{
  font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--mute);font-weight:600;margin-bottom:10px;
}
.mock-rows{
  background:var(--paper-0);border:1px solid var(--line);border-radius:10px;
  overflow:hidden;min-width:220px;
}
.mock-row{
  display:flex;align-items:center;gap:10px;
  padding:9px 14px;font-size:.9rem;color:var(--mute);
  border-bottom:1px solid var(--line);
}
.mock-row:last-child{border-bottom:0}
.mock-row.is-hot{background:var(--white);color:var(--ink);font-weight:600}
.dot{
  width:22px;height:22px;border-radius:6px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.6rem;font-weight:700;color:var(--white);
}
.dot-navy{background:var(--navy)}
.dot-sky{background:var(--accent)}
.dot-clay{background:#B08947}
.dot-ring{background:var(--paper-2);color:var(--ink);border:1.5px solid var(--mute)}
.dot-star{background:var(--accent);border-radius:50%}
.dock-cta{margin-top:40px}

/* navy cards */
.cards-section{padding-block:40px 88px}
.cards-section .center{margin-bottom:44px}
.navy-cards{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;
}
.navy-card{
  background:var(--navy);color:var(--white);
  border-radius:var(--radius);
  padding:36px 36px 30px;
}
.navy-card h3{font-size:1.4rem;font-weight:600;letter-spacing:-0.01em}
.card-mock{
  margin-top:26px;
  background:var(--paper-0);border-radius:12px;
  min-height:230px;padding:22px;
  display:flex;flex-direction:column;gap:12px;
}
.chip{
  border-radius:8px;padding:14px 18px;
  font-size:.85rem;font-weight:600;color:var(--navy);
  width:fit-content;
}
.chip-lav{background:#E4DCF5}
.chip-sky{background:var(--sky)}
.chip-mint{background:#D8EAD9}
.chip-sand{background:var(--paper-2)}
.grid-mock{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  align-content:stretch;
}
.gm{border-radius:8px;background:var(--paper-2)}
.gm:nth-child(odd){background:var(--sky)}
.gm:nth-child(4n){background:#E4DCF5}
.card-link{
  display:inline-block;margin-top:22px;
  color:var(--white);text-decoration:none;font-weight:600;font-size:.95rem;
}
.card-link:hover{text-decoration:underline}
.card-link span{text-decoration:none}

/* adoption split */
.adopt-section{padding-block:32px 88px}
.adopt-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.adopt-visual{
  position:relative;border-radius:var(--radius);
  min-height:320px;
  display:flex;align-items:center;justify-content:center;
}
.dot-matrix{
  position:absolute;inset:0;border-radius:var(--radius);
  background-image:radial-gradient(var(--line) 1.6px, transparent 1.6px);
  background-size:22px 22px;
  -webkit-mask-image:radial-gradient(ellipse 62% 62% at 50% 50%, #000 30%, transparent 72%);
          mask-image:radial-gradient(ellipse 62% 62% at 50% 50%, #000 30%, transparent 72%);
}
.play{
  position:relative;z-index:1;
  width:72px;height:72px;border-radius:50%;border:1.5px solid var(--navy);
  background:var(--white);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.play span{
  display:block;width:0;height:0;margin-left:5px;
  border-left:18px solid var(--navy);
  border-top:11px solid transparent;border-bottom:11px solid transparent;
}

/* support */
.support-section{padding-block:24px 88px}
.support-section .display{margin-bottom:44px}
.support-list{
  list-style:none;margin:0 auto;padding:0;
  max-width:34rem;
  display:flex;flex-direction:column;gap:30px;
}
.support-list li{display:flex;gap:20px;align-items:flex-start}
.s-icon{
  flex:none;width:36px;height:36px;border-radius:50%;
  border:1.5px solid var(--navy);
  display:flex;align-items:center;justify-content:center;
  color:var(--navy);font-size:1rem;
}
.support-list h3{font-size:1.05rem;font-weight:600;color:var(--navy)}
.support-list p{margin-top:4px;color:var(--mute);font-size:.92rem}
.support-link{margin-top:40px}
.link-underline{color:var(--navy);font-weight:600;text-decoration:underline;text-underline-offset:3px}

/* closing */
.close-section{padding-block:32px 112px}
.close-ctas{display:flex;gap:14px;justify-content:center;margin-top:36px;flex-wrap:wrap}

/* footer */
.footer{background:var(--navy);color:var(--white);padding-block:64px 32px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);
}
.brand-light{color:var(--white)}
.footer-note{margin-top:14px;color:rgba(255,255,255,.62);font-size:.88rem;max-width:26ch}
.footer nav{display:flex;flex-direction:column;gap:10px}
.footer-h{
  font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  color:rgba(255,255,255,.55);font-weight:600;margin-bottom:6px;
}
.footer nav a{color:rgba(255,255,255,.85);text-decoration:none;font-size:.9rem}
.footer nav a:hover{color:var(--white);text-decoration:underline}
.footer-legal{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;color:rgba(255,255,255,.55);font-size:.8rem;
}
.footer-legal a{color:inherit;text-decoration:none}
.footer-legal a:hover{color:var(--white)}

/* mobile */
@media (max-width:860px){
  .nav-links,.nav-actions{display:none}
  .menu-btn{display:flex}
  .mobile-menu[hidden]{display:none}
  .mobile-menu:not([hidden]){display:flex}
  .hero-grid{grid-template-columns:1fr;gap:16px}
  .hero{padding-block:40px 0}
  .hero-copy{text-align:center;display:flex;flex-direction:column;align-items:center}
  .hero-copy .display{margin-top:18px}
  .cta-row{justify-content:center}
  .hero-orb{max-width:420px;margin:8px auto 0}
  .rail{justify-content:center;gap:20px 28px}
  .dock{grid-template-columns:1fr}
  .tab.is-active{background:var(--paper-0)}
  .tab{border-bottom:1px solid var(--line)}
  .mock{border-left:0;border-top:1px solid var(--line);padding:32px 20px;gap:24px}
  .navy-cards{grid-template-columns:1fr}
  .adopt-grid{grid-template-columns:1fr;gap:36px}
  .adopt-visual{min-height:240px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .close-section{padding-bottom:80px}
}
@media (max-width:420px){
  .footer-grid{grid-template-columns:1fr}
}

/* motion */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}