/* theroboburger.com: shared styles. Light, warm, RoboBurger red; RoboSentinel blue for the AI. */
:root{
  --red:#D32F2F; --red-deep:#A61E1E; --red-tint:#FDECEC; --cream:#FFFBF7; --sand:#F6EEE6;
  --ink:#1A1F2B; --muted:#5F6472; --faint:#8A8F9C; --line:#E7DED5; --blue:#2F6FDB; --blue-deep:#245BBB; --blue-tint:#E7F0FD;
  --green:#2E9E5B; --green-tint:#E5F5EC; --amber:#E89B2C; --amber-tint:#FDF2E2; --night:#1C2340;
  --wrap:1180px; --radius:24px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;color:var(--ink);background:var(--cream);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
h1,h2,h3{font-family:Sora,Inter,sans-serif;letter-spacing:-.02em}
h1{font-size:clamp(40px,6vw,70px);line-height:1.04;font-weight:800}
h2{font-size:clamp(28px,3.6vw,44px);line-height:1.12;font-weight:700}
h3{font-size:20px;line-height:1.3;font-weight:700}
p{font-size:18px;line-height:1.6;color:var(--muted)}
.eyebrow{font:700 13px/1 Inter;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:16px}
.eyebrow.blue{color:var(--blue)}
.lead{font-size:20px;max-width:640px;margin-top:20px}
section{padding:96px 0}
section.white{background:#fff}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font:700 16px/1 Inter;padding:15px 22px;border-radius:999px;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn.red{background:var(--red);color:#fff;box-shadow:0 10px 24px rgba(211,47,47,.22)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.blue{background:var(--blue);color:#fff}
.btn.dark{background:var(--ink);color:#fff}
.btn:disabled{opacity:.5;cursor:default;transform:none}
.row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,251,247,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font:800 22px/1 Sora;letter-spacing:-.02em}
.logo b{color:var(--red)}
.nav .links{display:flex;gap:28px;font:600 15px/1 Inter;color:var(--muted)}
.nav .links a{padding:8px 0;border-bottom:2px solid transparent}
.nav .links a:hover,.nav .links a[aria-current="page"]{color:var(--ink);border-color:var(--red)}
.nav .cta{font:700 14px/1 Inter;padding:12px 18px;border-radius:999px;background:var(--ink);color:#fff}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);margin:4px auto;border-radius:2px}
.drawer{display:none}

/* page header */
.pagehead{padding:80px 0 40px}
.pagehead h1{font-size:clamp(36px,5vw,60px);max-width:900px}

/* cards & grids */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card p{font-size:16px;margin-top:8px}
.tint-blue{background:var(--blue-tint);border:0}.tint-sand{background:var(--sand);border:0}.tint-red{background:var(--red-tint);border:0}.tint-green{background:var(--green-tint);border:0}
.ic{width:52px;height:52px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
a.door{display:block;transition:transform .2s,box-shadow .2s}
a.door:hover{transform:translateY(-3px);box-shadow:0 20px 40px rgba(26,31,43,.08)}
a.door .go{display:inline-block;margin-top:16px;font:700 15px/1 Inter;color:var(--red)}

/* diagrams */
figure.dia{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:28px;padding:36px 36px 22px}
figure.dia svg{width:100%;height:auto;display:block;color:var(--ink)}
figure.dia figcaption{margin-top:16px;font-size:15px;color:var(--faint);line-height:1.5;text-align:center}
.dia text{font-family:Inter,sans-serif}
.dia .t-label{font-size:13px;font-weight:600;fill:var(--muted)}
.dia .t-node{font-size:16px;font-weight:700;fill:var(--ink);font-family:Sora,Inter,sans-serif}
.dia .t-sub{font-size:13px;fill:var(--faint)}
/* moving dots along flow paths (respects reduced motion) */
.flowdot{offset-rotate:0deg;animation:flow 3.2s linear infinite}
.flowdot.d2{animation-delay:1.06s}.flowdot.d3{animation-delay:2.12s}
@keyframes flow{from{offset-distance:0%;opacity:0}8%{opacity:1}92%{opacity:1}to{offset-distance:100%;opacity:0}}
.pulse{animation:pulse 2.4s ease-in-out infinite;transform-origin:center;transform-box:fill-box}
@keyframes pulse{0%,100%{opacity:.35;transform:scale(1)}50%{opacity:.9;transform:scale(1.06)}}
@media (prefers-reduced-motion:reduce){.flowdot,.pulse{animation:none}.flowdot{opacity:0}}

/* demo (burger timeline) */
.demo{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:28px;padding:32px}
.demo .bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.status{display:inline-flex;align-items:center;gap:10px;font:700 15px/1 Inter;padding:10px 14px;border-radius:999px;background:var(--green-tint);color:#1F7A44}
.status i{width:10px;height:10px;border-radius:50%;background:currentColor}
.status.warn{background:var(--amber-tint);color:#9A5B06}
.status.bad{background:var(--red-tint);color:var(--red-deep)}
.status.run{background:var(--blue-tint);color:var(--blue-deep)}
.demo svg{width:100%;height:auto;margin-top:22px}
.demo .incident{display:none;margin-top:18px;border-left:4px solid var(--red);background:var(--red-tint);border-radius:14px;padding:18px 20px}
.demo .incident.show{display:block}
.demo .incident b{display:block;color:var(--ink);font-size:16px}
.demo .incident p{font-size:15px;margin-top:6px}
.demo .note{font-size:13px;color:var(--faint);margin-top:14px}

/* lists */
ul.ticks{list-style:none;margin-top:20px}
ul.ticks li{position:relative;padding:9px 0 9px 34px;font-size:17px;line-height:1.5;color:var(--muted)}
ul.ticks li b{color:var(--ink)}
ul.ticks li:before{content:"";position:absolute;left:0;top:14px;width:18px;height:18px;border-radius:50%;background:var(--green-tint);box-shadow:inset 0 0 0 5px var(--green)}

/* phone */
.phone{width:320px;height:500px;border-radius:40px;background:var(--ink);padding:13px;box-shadow:0 30px 60px rgba(26,31,43,.18);flex:none}
.phone>div{width:100%;height:100%;border-radius:28px;overflow:hidden;background:#fff}
.phone img{width:294px;max-width:none;margin-top:-198px}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.photo{border-radius:26px;object-fit:cover;width:100%}

/* forms */
form.f{display:grid;gap:14px}
.f label{font:600 14px/1.3 Inter;color:var(--ink);display:grid;gap:7px}
.f input,.f select,.f textarea{font:16px/1.4 Inter;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);width:100%}
.f input:focus,.f select:focus,.f textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:transparent}
.f .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f .err{color:var(--red-deep);font-size:13px;min-height:16px}
.f .ok{display:none;background:var(--green-tint);color:#1F7A44;border-radius:14px;padding:18px;font-weight:600}
.f.done .ok{display:block}.f.done .fields{display:none}
.f .fine{font-size:13px;color:var(--faint)}

/* press strip */
.press{padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.press .wrap{display:flex;align-items:center;gap:34px;flex-wrap:wrap;justify-content:center}
.press span{font:700 12px/1 Inter;letter-spacing:.14em;text-transform:uppercase;color:#A39A92}
.press em{font:700 17px/1 Sora;font-style:normal;color:#9AA0AC}

/* band */
.band{background:var(--red);color:#fff;border-radius:32px;padding:56px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.band h2{color:#fff}.band p{color:#FFE1E1}

/* footer */
footer{background:var(--ink);color:#C5CAD6;padding:64px 0 36px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
footer h4{font:700 13px/1 Inter;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:14px}
footer a{display:block;font-size:15px;padding:5px 0;color:#C5CAD6}
footer a:hover{color:#fff}
footer .logo{color:#fff}footer .logo b{color:#FF6B6B}
footer .legal{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8A90A0}

@media (max-width:860px){
  section{padding:68px 0}
  .wrap{padding:0 20px}
  .nav .links,.nav .cta{display:none}
  .menu-btn{display:block}
  .drawer.open{display:block;position:fixed;inset:72px 0 0;background:var(--cream);z-index:49;padding:24px 20px}
  .drawer a{display:block;font:700 22px/1 Sora;padding:18px 0;border-bottom:1px solid var(--line)}
  .drawer .btn{margin-top:24px;width:100%;justify-content:center}
  .g2,.g3,.g4,.split{grid-template-columns:1fr}
  .g4.keep2{grid-template-columns:1fr 1fr}
  figure.dia{padding:18px 12px 14px;border-radius:20px;overflow-x:auto}
  figure.dia svg.wide{min-width:720px}
  .demo{padding:20px}
  .phone{margin:0 auto;width:290px;height:460px}.phone img{width:264px;margin-top:-178px}
  .band{grid-template-columns:1fr;padding:32px 24px}
  .f .two{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr 1fr}
}