/* ============================================================================
   APIX DESIGN SYSTEM — die geteilte Quelle
   Eine Farbe trägt, eine leuchtet. Bewegung mit Bedeutung. Würde vor Lautstärke.
   Ändere HIER — api-index.org und botstandards.org erben es.
   Referenz/lebende Doku: concepts/prototypes/apix-design-system.html
   ============================================================================ */

/* ---- 1. TOKENS --------------------------------------------------------- */
:root{
  /* base / petrol dark */
  --bg:#0a1218; --bg-2:#0e1a22; --surface:#12222c; --surface-2:#173140;
  --line:rgba(170,210,220,.12); --line-2:rgba(170,210,220,.20);
  --ink:#eaf2f3; --muted:#7f9aa6; --muted-2:#5c7682;
  /* the one spark + accents */
  --apix:#3fe0c5; --apix-deep:#1ea991; --warm:#ff8a5c; --warm-2:#ffb27a; --gold:#f4c95d;
  --apix-glow:rgba(63,224,197,.14); --warm-glow:rgba(255,138,92,.5);

  /* type — distinctive: warm serif + clear grotesk + precise mono.
     CJK/Arabic fall back to system fonts until per-locale webfonts are added. */
  --font-display:"Fraunces", Georgia, "Noto Serif", serif;
  --font-ui:"Hanken Grotesk", system-ui, "Segoe UI", "Noto Sans", sans-serif;
  --font-mono:"JetBrains Mono", ui-monospace, "Cascadia Code", monospace;

  /* space — 8pt scale */
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;

  /* radius + elevation */
  --r1:8px; --r2:14px; --r3:20px; --r-pill:999px;
  --e1:0 8px 24px -12px rgba(0,0,0,.6);
  --e2:0 20px 50px -20px rgba(0,0,0,.7);
  --e3:0 30px 80px -28px rgba(0,0,0,.8);

  /* motion */
  --ease-out:cubic-bezier(.2,.7,.2,1);
  --ease-soft:cubic-bezier(.4,0,.2,1);
  --ease-snap:cubic-bezier(.3,.8,.2,1);
}

/* ---- 2. RESET + BASE --------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; color:var(--ink); background:var(--bg);
  font-family:var(--font-ui); line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{color:var(--apix); text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
:focus-visible{outline:2px solid var(--apix); outline-offset:2px; border-radius:4px}

/* atmospheric backdrop — opt in on a full-page wrapper with class .apx-atmosphere */
.apx-atmosphere{
  background:
    radial-gradient(1100px 640px at 82% -8%, var(--apix-glow), transparent 58%),
    radial-gradient(900px 560px at 2% 108%, rgba(255,138,92,.07), transparent 55%),
    var(--bg);
}
/* faint crossing-grid texture (the X motif as atmosphere) */
.apx-grid{position:relative}
.apx-grid::before{
  content:""; position:absolute; inset:0; pointer-events:none; z-index:0; opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 95% 80% at 50% 30%,#000 20%,transparent 75%);
          mask-image:radial-gradient(ellipse 95% 80% at 50% 30%,#000 20%,transparent 75%);
}

/* ---- 3. TYPOGRAPHY ----------------------------------------------------- */
.apx-kicker{font-family:var(--font-mono);font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--apix)}
.apx-display{font-family:var(--font-display);font-weight:600;line-height:1.02;letter-spacing:-.02em;
  font-size:clamp(40px,7vw,84px);margin:0}
h1,.apx-h1{font-family:var(--font-display);font-weight:600;font-size:clamp(30px,4.6vw,48px);line-height:1.05;letter-spacing:-.015em;margin:0 0 var(--s4)}
h2,.apx-h2{font-family:var(--font-display);font-weight:500;font-size:clamp(24px,3.4vw,34px);line-height:1.15;letter-spacing:-.01em;margin:0 0 var(--s4)}
h3,.apx-h3{font-family:var(--font-display);font-weight:600;font-size:20px;margin:0 0 var(--s3)}
.apx-lede{font-family:var(--font-display);font-weight:400;font-size:clamp(17px,2.2vw,22px);line-height:1.5;color:var(--muted)}
.apx-lede em,.apx-display em{font-style:italic;color:var(--warm-2)}
.apx-x{color:var(--apix)}                 /* the mint X / spark accent */
.apx-mono{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.apx-muted{color:var(--muted)}

/* ---- 4. BUTTONS ------------------------------------------------------- */
.btn{font-family:var(--font-ui);font-weight:700;font-size:15px;padding:14px 26px;border:0;border-radius:var(--r1);
  cursor:pointer;display:inline-flex;align-items:center;gap:10px;transition:transform .2s,box-shadow .2s,background .2s;text-decoration:none}
.btn:hover{text-decoration:none}
.btn svg{width:16px;height:16px}
.btn.primary{background:linear-gradient(180deg,var(--apix),var(--apix-deep));color:#04201c;box-shadow:0 12px 28px -12px var(--warm-glow,rgba(63,224,197,.6));box-shadow:0 12px 28px -12px rgba(63,224,197,.6)}
.btn.primary:hover{transform:translateY(-2px)}
.btn.ghost{background:var(--surface-2);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-2)}
.btn.ghost:hover{background:#1b3a4b}
.btn.warm{background:linear-gradient(180deg,var(--warm),#e9683f);color:#2a0f06;box-shadow:0 12px 28px -12px rgba(255,138,92,.55)}
.btn.warm:hover{transform:translateY(-2px)}

/* ---- 5. TRUST BADGES (with light reflection on hover) ----------------- */
.badge{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.07em;text-transform:uppercase;padding:6px 11px;border-radius:var(--r1)}
.badge::after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:linear-gradient(105deg,transparent 36%,rgba(255,255,255,.5) 50%,transparent 64%);transform:translateX(-130%)}
/* only a real seal catches the light — never .none */
.badge.live:hover::after,.badge.ready:hover::after{animation:apx-sheen 1.15s cubic-bezier(.35,.5,.3,1)}
@keyframes apx-sheen{from{transform:translateX(-130%)}to{transform:translateX(130%)}}
.badge.live{background:rgba(63,224,197,.14);color:var(--apix);border:1px solid rgba(63,224,197,.3)}
.badge.ready{background:rgba(244,201,93,.12);color:var(--gold);border:1px solid rgba(244,201,93,.26)}
.badge.none{background:rgba(127,154,166,.1);color:var(--muted-2);border:1px solid var(--line)}

/* ---- 6. TAGS / CHIPS -------------------------------------------------- */
.tag{font-family:var(--font-mono);font-size:11px;color:var(--muted);padding:6px 12px;border:1px solid var(--line);border-radius:var(--r-pill)}
.tag.on{color:var(--apix);border-color:rgba(63,224,197,.3);background:rgba(63,224,197,.08)}

/* ---- 7. FIELDS / INPUT ----------------------------------------------- */
.field{display:flex;flex-direction:column;gap:var(--s2)}
.field label{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea{font-family:var(--font-ui);font-size:15px;color:var(--ink);background:var(--bg-2);
  border:1px solid var(--line-2);border-radius:var(--r1);padding:12px 14px;outline:none;transition:.2s;width:100%}
.field input::placeholder{color:var(--muted-2)}
.field input:focus,.field textarea:focus{border-color:var(--apix);box-shadow:0 0 0 3px rgba(63,224,197,.14)}

/* ---- 8. SURFACES: PANELS / CARDS ------------------------------------- */
.panel,.card{background:linear-gradient(180deg,var(--surface),var(--bg-2));border:1px solid var(--line);border-radius:var(--r3);padding:var(--s6)}
.card.hero-accent{border-color:var(--warm);box-shadow:0 0 0 1px var(--warm),0 18px 40px -18px var(--warm-glow)}
.apx-cap{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:var(--s4)}

/* ---- 9. MOTION: scroll reveal (dezent, mit Bedeutung) ----------------- */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---- 10. i18n / RTL --------------------------------------------------- */
/* Layout uses logical properties where it matters; Arabic etc. mirror automatically.
   Per-locale webfonts (Noto Sans SC/JP, Noto Naskh Arabic) are added at page level. */
[dir="rtl"]{ }
[dir="rtl"] .apx-kicker,[dir="rtl"] .apx-mono{letter-spacing:0}   /* mono tracking reads wrong in RTL scripts */
:lang(zh),:lang(ja),:lang(ko){letter-spacing:normal}