/* Kandra site — one design system shared by the hub and the three audience pages.
   Two themes (dark = default, light) switched by <html data-theme="dark|light">.
   Pages add only their own layout on top; every colour comes from the tokens below. */

:root{
  color-scheme:dark;
  /* surfaces */
  --bg:#0b0a14; --bg-alt:#100e1f; --surface:#151330; --surface2:#1b1840;
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.16);
  /* text */
  --text:#e9e7f5; --muted:#a9a6c4; --dim:#8e8bad;
  /* brand */
  --primary:#7c3aed; --primary-hover:#8b5cf6; --primary-text:#c4b5fd;
  --primary-soft:rgba(124,58,237,.16); --primary-line:rgba(167,139,250,.4);
  --btn-primary:linear-gradient(135deg,#2457e6 0%,#7c3aed 100%);
  --btn-plain:transparent; --btn-shadow:0 8px 30px -8px rgba(124,58,237,.6);
  --em:linear-gradient(90deg,#7dd3fc,#a78bfa 55%,#c084fc);
  /* status */
  --accent:#4ade80; --accent-soft:rgba(74,222,128,.10); --accent-line:rgba(74,222,128,.35);
  --warn:#fbbf24; --warn-soft:rgba(251,191,36,.10); --warn-line:rgba(251,191,36,.35);
  /* chrome */
  --nav-bg:rgba(11,10,20,.78); --nav-panel:#0f0d22;
  --glow:radial-gradient(900px 500px at 15% -10%,rgba(124,58,237,.28),transparent 60%),radial-gradient(700px 400px at 90% 10%,rgba(56,189,248,.10),transparent 60%);
  --grid-line:rgba(255,255,255,.035);
  --shadow:0 30px 60px -40px rgba(0,0,0,.7);
  --card-hover:var(--line2);
  --band-bg:#15123a; --band-text:#e9e7f5; --band-muted:#a9a6c4;
  --cta-bg:radial-gradient(800px 300px at 50% -20%,rgba(124,58,237,.45),transparent 70%),var(--surface);
  --cta-line:rgba(167,139,250,.35);
  /* code windows and terminals: an IDE-dark window here, a light IDE in the light theme */
  --code-bg:linear-gradient(180deg,#171434,#120f2a); --code-term:#0d0b1c; --code-line:rgba(255,255,255,.14); --code-sep:rgba(255,255,255,.08);
  --code-text:#cfcbe6; --code-strong:#e9e7f5; --code-dim:#8e8bad; --code-dot:#2a2750;
  --code-shadow:0 30px 80px -30px rgba(0,0,0,.6),0 0 0 1px rgba(124,58,237,.15);
  --sx-k:#c792ea; --sx-t:#82aaff; --sx-s:#c3e88d; --sx-a:#ffcb6b; --sx-c:#7d79a3; --sx-m:#89ddff; --sx-ok:#4ade80;
  /* type & shape */
  --sans:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r:16px; --max:1180px;
}
:root[data-theme="light"]{
  color-scheme:light;
  --bg:#f8f7f3; --bg-alt:#ffffff; --surface:#ffffff; --surface2:#f4f3ee;
  --line:#e6e4dc; --line2:#d6d3c8;
  --text:#15131f; --muted:#4b485c; --dim:#6b6879;
  --primary:#2457e6; --primary-hover:#1a45c2; --primary-text:#2457e6;
  --primary-soft:#e8eeff; --primary-line:rgba(36,87,230,.3);
  --btn-primary:#2457e6;
  --btn-plain:#ffffff; --btn-shadow:0 10px 24px -8px rgba(36,87,230,.55);
  --em:linear-gradient(90deg,#2457e6,#4f46e5);
  --accent:#0a6f62; --accent-soft:#e2f5f1; --accent-line:rgba(15,157,138,.35);
  --warn:#9a5200; --warn-soft:#fdf1dc; --warn-line:rgba(217,119,6,.35);
  --nav-bg:rgba(248,247,243,.86); --nav-panel:#f8f7f3;
  --glow:radial-gradient(700px 400px at 85% 0%,rgba(36,87,230,.09),transparent 65%),radial-gradient(500px 300px at 5% 35%,rgba(15,157,138,.07),transparent 65%);
  --grid-line:rgba(21,19,31,.05);
  --shadow:0 1px 2px rgba(20,19,31,.04),0 12px 40px -12px rgba(20,19,31,.12);
  --card-hover:var(--line2);
  --band-bg:#15131f; --band-text:#ffffff; --band-muted:#b8b5c9;
  --cta-bg:linear-gradient(135deg,#2457e6,#4f46e5); --cta-line:transparent;
  --code-bg:#ffffff; --code-term:#fbfaf7; --code-line:#d6d3c8; --code-sep:#e6e4dc;
  --code-text:#2b2838; --code-strong:#15131f; --code-dim:#6b6879; --code-dot:#d6d3c8;
  --code-shadow:0 1px 2px rgba(20,19,31,.04),0 24px 60px -24px rgba(20,19,31,.18);
  --sx-k:#8128c9; --sx-t:#0550ae; --sx-s:#116329; --sx-a:#953800; --sx-c:#6e7781; --sx-m:#0a6f8a; --sx-ok:#0a6f62;
}

/* ---------- base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-width:0}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:var(--glow);pointer-events:none}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.025em;line-height:1.12}
p{margin:0}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:96px 0;position:relative}
.mono{font-family:var(--mono)}
:focus-visible{outline:2px solid var(--primary-text);outline-offset:3px;border-radius:6px}
::selection{background:var(--primary);color:#fff}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--primary-text);margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:currentColor;opacity:.7}
.h2{font-size:clamp(28px,4vw,44px);font-weight:800}
.lead{font-size:18px;color:var(--muted);max-width:660px;margin-top:16px}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}
.section-head{max-width:720px;margin-bottom:52px}
.section-head h2{font-size:clamp(28px,4vw,44px);font-weight:800;margin:0 0 16px}
.section-head p{color:var(--muted);font-size:18px}
.section-head.center{margin-left:auto;margin-right:auto}
.alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.note{color:var(--dim);font-size:13.5px;font-weight:500;margin-top:14px}

/* status tags: available now / roadmap / in development */
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;border:1px solid var(--accent-line);background:var(--accent-soft);color:var(--accent);line-height:1.4}
.tag.road{border-color:var(--warn-line);background:var(--warn-soft);color:var(--warn)}
.tag.wip{border-color:var(--primary-line);background:var(--primary-soft);color:var(--primary-text)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:15px;line-height:1.3;border:1px solid var(--line2);background:var(--btn-plain);color:var(--text);cursor:pointer;font-family:inherit;transition:.18s;text-align:center}
.btn:hover{border-color:var(--primary-text);transform:translateY(-1px)}
.btn.primary{background:var(--btn-primary);border-color:transparent;color:#fff;box-shadow:var(--btn-shadow)}
.btn.primary:hover{filter:brightness(1.1)}
.btn.sm{padding:8px 14px;font-size:14px;border-radius:10px}
.btn.off{opacity:.6;cursor:default;pointer-events:none}
.icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;flex:none;border-radius:10px;border:1px solid var(--line2);background:var(--btn-plain);color:var(--text);cursor:pointer;padding:0;transition:.18s}
.icon-btn:hover{border-color:var(--primary-text)}
.icon-btn svg{width:18px;height:18px}

/* language + theme controls */
.lang{display:flex;flex:none;border:1px solid var(--line2);border-radius:10px;overflow:hidden;background:var(--btn-plain);font-size:13px;font-weight:700}
.lang button{background:transparent;border:0;color:var(--dim);padding:8px 11px;cursor:pointer;font-family:inherit;font-weight:inherit;font-size:inherit}
.lang button.on{background:var(--primary);color:#fff}
.theme-toggle .i-sun{display:none}
:root:not([data-theme="light"]) .theme-toggle .i-sun{display:block}
:root:not([data-theme="light"]) .theme-toggle .i-moon{display:none}

/* ---------- preview banner (built by site.js, above the nav) ---------- */
.preview-banner{background:var(--warn-soft);border-bottom:1px solid var(--warn-line);color:var(--text);font-size:14px;font-weight:500;line-height:1.45;padding:10px 0;text-align:center}
.preview-banner b{color:var(--warn);font-weight:800}

/* ---------- navigation (built by site.js) ---------- */
.site-nav{position:sticky;top:0;z-index:50;min-height:64px;background:var(--nav-bg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-nav .wrap{display:flex;align-items:center;gap:14px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.01em;flex:none}
.logo img{width:32px;height:32px;border-radius:8px;display:block}
.logo .for-light{display:none}
:root[data-theme="light"] .logo .for-dark{display:none}
:root[data-theme="light"] .logo .for-light{display:block}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:14px}
.nav-links a{padding:8px 13px;border-radius:10px;font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;transition:.15s}
.nav-links a:hover{color:var(--text);background:var(--primary-soft)}
.nav-links a[aria-current="page"]{color:var(--primary-text);background:var(--primary-soft)}
.nav-links .menu-cta{display:none}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;min-width:0}
.nav-cta{opacity:0;pointer-events:none;transition:opacity .2s ease}
.site-nav.scrolled .nav-cta{opacity:1;pointer-events:auto}
.nav-toggle{display:none}
@media(max-width:1000px){
  .nav-toggle{display:inline-grid}
  .nav-links{display:none;position:absolute;left:0;right:0;top:100%;margin:0;flex-direction:column;align-items:stretch;gap:2px;padding:12px 16px 18px;background:var(--nav-panel);border-bottom:1px solid var(--line);box-shadow:0 24px 40px -24px rgba(0,0,0,.5)}
  .site-nav.open .nav-links{display:flex}
  .nav-links a{padding:12px 14px;font-size:16px}
}
@media(max-width:640px){
  .nav-cta{display:none}
  .nav-links .menu-cta{display:inline-flex;margin-top:10px;color:#fff}
  .nav-links .menu-cta:hover{color:#fff;background:var(--btn-primary)}
}
@media(max-width:400px){.site-nav .wrap{gap:8px}.nav-right{gap:8px}.lang button{padding:8px 9px}.logo span{display:none}}

/* ---------- hero pieces shared by every page ---------- */
.hero{position:relative;overflow:hidden}
.hero h1{font-size:clamp(36px,5.4vw,64px);font-weight:800;line-height:1.04;letter-spacing:-.035em;margin:0 0 20px}
.hero h1 em,h1 em{font-style:normal;background:var(--em);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:19px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}

/* ---------- cards, icons, chips ---------- */
.grid{display:grid;gap:20px}
.grid>*{min-width:0}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow);transition:.2s;position:relative}
.card:hover{transform:translateY(-3px);border-color:var(--card-hover)}
.card h3{font-size:19px;font-weight:800;margin:16px 0 10px}
.card h3:first-child{margin-top:0}
.card p{color:var(--muted);font-size:15px}
.ic{width:44px;height:44px;border-radius:12px;background:var(--primary-soft);color:var(--primary-text);display:grid;place-items:center;flex:none}
.ic svg{width:22px;height:22px}
.ic.t{background:var(--accent-soft);color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:13.5px;font-weight:600;padding:6px 12px;border-radius:999px;background:var(--surface2);border:1px solid var(--line2);color:var(--muted)}
.chip.hl{background:var(--primary-soft);border-color:var(--primary-line);color:var(--primary-text)}

/* inverted band: dark in the light theme, a slightly lifted panel in the dark theme */
.band{background:var(--band-bg);color:var(--band-text);--text:var(--band-text);--muted:var(--band-muted)}
:root[data-theme="light"] .band{--btn-plain:transparent;--dim:#9a97ad;--surface:rgba(255,255,255,.05);--line:rgba(255,255,255,.12);--line2:rgba(255,255,255,.2);--primary-text:#9db3ff;--primary-soft:rgba(157,179,255,.15);--primary-line:rgba(157,179,255,.4);--shadow:none;--card-hover:rgba(255,255,255,.3)}

/* ---------- tables ---------- */
.tbl{border:1px solid var(--line);border-radius:var(--r);overflow:auto;background:var(--surface);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--dim);font-weight:700;background:var(--surface2)}
tr:last-child td{border-bottom:0}
td:last-child{white-space:normal;min-width:240px}
tr.hl td{background:var(--primary-soft)}
.cmp td:first-child{font-weight:700}
.cmp tr.me td{background:var(--primary-soft);color:var(--text)}
.cmp tr.me td:first-child{color:var(--primary-text)}
.yes{color:var(--accent);font-weight:700}.no{color:var(--dim)}

/* ---------- code (an IDE window: dark in the dark theme, light in the light theme; --code-* / --sx-* tokens) ---------- */
.code-win{background:var(--code-bg);border:1px solid var(--code-line);border-radius:var(--r);box-shadow:var(--code-shadow);overflow:hidden;position:relative;color:var(--code-text)}
.code-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--code-sep);font-family:var(--mono);font-size:12px;color:var(--code-dim)}
.code-bar i{width:11px;height:11px;border-radius:50%;display:inline-block}
.code-bar i:nth-child(1){background:#ff5f57}.code-bar i:nth-child(2){background:#febc2e}.code-bar i:nth-child(3){background:#28c840}
.code-bar span{margin-left:8px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
pre{margin:0;padding:20px 22px;font-family:var(--mono);font-size:13px;line-height:1.7;overflow-x:auto;color:var(--code-text)}
pre .k{color:var(--sx-k)}pre .t{color:var(--sx-t)}pre .s{color:var(--sx-s)}pre .a{color:var(--sx-a)}pre .c{color:var(--sx-c);font-style:italic}pre .m{color:var(--sx-m)}

/* ---------- closing call-to-action box ---------- */
.cta-box{border-radius:24px;padding:64px 48px;text-align:center;position:relative;overflow:hidden;background:var(--cta-bg);border:1px solid var(--cta-line)}
.cta-box h2{font-size:clamp(28px,4vw,42px);font-weight:800}
.cta-box p{margin:14px auto 0;max-width:580px;color:var(--muted);font-size:17px}
.cta-box .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px;position:relative}
:root[data-theme="light"] .cta-box{--text:#fff;--muted:rgba(255,255,255,.86);--line:rgba(255,255,255,.28);--line2:rgba(255,255,255,.5);--primary-text:#fff;color:#fff}
:root[data-theme="light"] .cta-box .btn{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);box-shadow:none}
:root[data-theme="light"] .cta-box .btn:hover{border-color:#fff}
:root[data-theme="light"] .cta-box .btn.primary{background:#fff;color:#2457e6;border-color:#fff}
@media(max-width:700px){.cta-box{padding:44px 22px}}

/* ---------- footer (built by site.js) ---------- */
.site-footer{border-top:1px solid var(--line);padding:40px 0;color:var(--dim);font-size:14px;font-weight:500}
.site-footer .wrap{display:flex;justify-content:space-between;gap:20px 32px;flex-wrap:wrap;align-items:center}
.site-footer .logo{color:var(--text)}
.foot-tag{margin-top:6px}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 22px}
.foot-links a:hover{color:var(--text)}
.foot-contact{flex-basis:100%;display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;padding-top:20px;border-top:1px solid var(--line)}
.foot-contact-h{color:var(--muted);font-weight:700}
.foot-contact a{display:inline-flex;align-items:center;gap:7px}
.foot-contact a:hover{color:var(--text)}
.foot-contact svg{width:18px;height:18px;flex:none}
.mail-copy{display:inline-flex;align-items:center;gap:7px;background:none;border:0;padding:0;color:inherit;font:inherit;cursor:pointer}
.mail-copy:hover{color:var(--text)}
.mail-copy .i-copy,.mail-copy .i-done{width:15px;height:15px}
.mail-copy .i-done,.mail-copy.done .i-copy{display:none}
.mail-copy.done .i-done{display:inline;color:var(--accent)}

/* ---------- reveal on scroll ---------- */
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- phone ---------- */
@media(max-width:640px){
  .wrap{padding:0 16px}
  section{padding:64px 0}
  .section-head{margin-bottom:36px}
  .lead,.section-head p,.hero .lead{font-size:16.5px}
  .card{padding:22px}
  .hero .cta .btn{flex:1 1 auto}
  th,td{padding:12px 14px}
}

/* copy button on command boxes (<code data-copy>) */
.copyable{position:relative}
.copy-btn{position:absolute;top:8px;right:8px;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;padding:0;border-radius:8px;border:1px solid var(--line2);background:rgba(255,255,255,.06);color:var(--muted);cursor:pointer;opacity:.75;transition:.15s}
.copy-btn:hover,.copy-btn:focus-visible{opacity:1;color:var(--text);border-color:var(--primary-text)}
.copy-btn svg{width:16px;height:16px}
.copy-btn .i-done,.copy-btn.done .i-copy{display:none}
.copy-btn.done .i-done{display:block}
.copy-btn.done{opacity:1;color:var(--accent);border-color:var(--accent-line)}