/* AiXVentus Design Tokens — Apple-Sprache in Teal-CI, Light + Dark */

:root{
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;

  /* Light (default) */
  --canvas:#ffffff;
  --surface:#f5f7f8;
  --surface-2:#eef2f3;
  --text:#1d2327;
  --text-muted:#5b6b70;
  --border:#e3e9eb;
  --brand:#2b8da3;
  --brand-strong:#1c6576;
  --brand-soft:#e6f2f4;
  --grad:linear-gradient(135deg,#1c6576,#2b8da3 55%,#6fc3d2);
  --focus:rgba(43,141,163,.45);
  --nav-bg:rgba(255,255,255,.72);
  --shadow-card:0 1px 2px rgba(16,49,58,.06),0 10px 30px rgba(16,49,58,.07);
  --shadow-float:0 12px 40px rgba(16,49,58,.18);
  --hero-glow:radial-gradient(900px 520px at 50% -10%,rgba(124,198,212,.22),transparent 70%);
}

html[data-theme="dark"]{
  --canvas:#0b0f10;
  --surface:#14191b;
  --surface-2:#1b2225;
  --text:#f2f6f7;
  --text-muted:#9fb0b4;
  --border:#263033;
  --brand:#46a9bf;
  --brand-strong:#7cc6d4;
  --brand-soft:#12303a;
  --grad:linear-gradient(135deg,#2b8da3,#46a9bf 55%,#7cc6d4);
  --focus:rgba(124,198,212,.5);
  --nav-bg:rgba(11,15,16,.72);
  --shadow-card:0 1px 2px rgba(0,0,0,.4),0 12px 30px rgba(0,0,0,.35);
  --shadow-float:0 16px 44px rgba(0,0,0,.55);
  --hero-glow:radial-gradient(900px 520px at 50% -10%,rgba(70,169,191,.20),transparent 70%);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--canvas);color:var(--text);
  font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  transition:background .3s ease,color .3s ease;
}
a{color:var(--brand-strong);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:720px}

/* Typo */
.display-xl{font-size:clamp(2.6rem,6vw,5.5rem);font-weight:700;letter-spacing:-.02em;line-height:1.05;margin:0}
.display-l{font-size:clamp(2rem,4vw,3.4rem);font-weight:700;letter-spacing:-.015em;line-height:1.1;margin:0}
.headline-m{font-size:clamp(1.4rem,2.4vw,2rem);font-weight:600;letter-spacing:-.01em;margin:0}
.lead{font-size:clamp(1.1rem,1.6vw,1.35rem);line-height:1.5;color:var(--text-muted);font-weight:400}
.body{font-size:1.0625rem;line-height:1.6;color:var(--text)}
.muted{color:var(--text-muted)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--brand-strong);background:var(--brand-soft);border-radius:999px;padding:6px 14px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-weight:600;font-size:1rem;
  border-radius:999px;padding:13px 26px;cursor:pointer;border:1px solid transparent;transition:all .2s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{filter:brightness(1.07)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-strong)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--focus)}

/* Nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(14px);
  background:var(--nav-bg);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:20px}
.brand-mark{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.brand-mark svg{color:var(--brand)}
.brand-logo{height:44px;width:auto;display:block}
html[data-theme="dark"] .brand-logo{filter:brightness(0) invert(1)}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--text-muted);font-size:.95rem;font-weight:500}
.nav-links a:hover{color:var(--text);text-decoration:none}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--border);
  background:transparent;color:var(--text);cursor:pointer;transition:all .2s ease}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-strong)}
.icon-btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--focus)}

/* Sections */
section{padding:clamp(64px,10vw,128px) 0}
.section-alt{background:var(--surface)}
.center{text-align:center}
.stack-sm>*+*{margin-top:14px}
.stack>*+*{margin-top:22px}
.trust{display:flex;flex-wrap:wrap;gap:8px 28px;justify-content:center;color:var(--text-muted);font-size:.95rem}

/* Cards / grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--canvas);border:1px solid var(--border);border-radius:20px;padding:30px;box-shadow:var(--shadow-card)}
.section-alt .card{background:var(--canvas)}
.card .ico{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--brand-soft);color:var(--brand-strong);margin-bottom:18px}
.card h3{margin:0 0 10px;font-size:1.25rem;font-weight:600}
.card p{margin:0 0 16px;color:var(--text-muted);line-height:1.55}
.card a{font-weight:600}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:center}
.stat .num{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:700;letter-spacing:-.02em}
.stat .lbl{color:var(--text-muted);margin-top:4px}

/* Team */
.team{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.person{background:var(--canvas);border:1px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-card)}
.person .photo{aspect-ratio:4/3;background:var(--surface-2) var(--grad);display:grid;place-items:center;color:#fff}
.person .photo span{opacity:.85;font-size:.9rem;letter-spacing:.08em;text-transform:uppercase}
.person .info{padding:24px}
.person .info h3{margin:0 0 2px;font-size:1.3rem}
.person .role{color:var(--brand-strong);font-weight:600;font-size:.95rem;margin-bottom:12px}

/* CTA */
.cta-panel{background:var(--grad);border-radius:28px;padding:clamp(40px,6vw,72px);color:#fff;text-align:center}
.cta-panel .display-l{color:#fff}
.cta-panel .lead{color:rgba(255,255,255,.9)}
.cta-panel .btn-primary{background:#fff;color:var(--brand-strong)}
.cta-panel .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}

/* Footer */
footer{padding:48px 0;border-top:1px solid var(--border);color:var(--text-muted);font-size:.9rem}
.foot-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.foot-links{display:flex;gap:20px}
.foot-links a{color:var(--text-muted)}

@media (max-width:820px){
  .grid-3,.stats,.team{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .nav-links{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto}
}