/* ================================================================
   BIVIX — design system (shadcn-style tokens) — shared across pages
   ================================================================ */
:root{
  --background: 228 47% 8%;
  --background-2: 227 45% 11%;
  --card: 227 42% 13%;
  --card-hover: 227 42% 16%;
  --foreground: 40 33% 96%;
  --muted: 228 25% 70%;
  --muted-2: 228 20% 55%;
  --primary: 33 58% 50%;
  --primary-bright: 35 76% 59%;
  --primary-soft: 36 92% 86%;
  --navy: 224 55% 25%;
  --border: 33 45% 55% / .14;
  --border-strong: 33 55% 60% / .36;
  --radius: 14px;
  --font-display:'Plus Jakarta Sans',sans-serif;
  --font-body:'Inter',sans-serif;
  --nav-h: 76px;
  --ease-out: cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{
  background:hsl(var(--background));
  color:hsl(var(--foreground));
  font-family:var(--font-body);
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:hsl(var(--primary) / .85);color:#14100a}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:hsl(var(--background))}
::-webkit-scrollbar-thumb{background:hsl(var(--navy));border-radius:8px;border:2px solid hsl(var(--background))}
::-webkit-scrollbar-thumb:hover{background:hsl(var(--primary) / .7)}
a{color:inherit;text-decoration:none}
img,video,canvas{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.08;letter-spacing:-.02em}
.container{width:min(1180px,92%);margin-inline:auto}
section{position:relative;padding:110px 0}
.gold{color:hsl(var(--primary-bright))}
.muted{color:hsl(var(--muted))}

/* ============ preloader ============ */
#preloader{
  position:fixed;inset:0;z-index:200;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:34px;
  background:radial-gradient(120% 90% at 50% 10%,hsl(var(--navy) / .55),hsl(var(--background)) 60%);
}
#preloader .p-logo{width:min(240px,52vw);opacity:0;transform:translateY(14px) scale(.96);filter:drop-shadow(0 6px 30px hsl(var(--primary) / .25))}
#preloader .p-bar{width:min(280px,60vw);height:2px;background:hsl(var(--foreground) / .08);border-radius:2px;overflow:hidden;opacity:0}
#preloader .p-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,hsl(var(--primary)),hsl(var(--primary-bright)));border-radius:2px}
#preloader .p-count{font-family:var(--font-display);font-size:13px;letter-spacing:.34em;color:hsl(var(--muted));opacity:0;font-variant-numeric:tabular-nums}
.curtain{position:fixed;inset:0;z-index:199;pointer-events:none}
.curtain span{position:absolute;top:0;height:100%;width:20.5%;background:hsl(var(--background-2));transform-origin:top}
.curtain span:nth-child(1){left:0}.curtain span:nth-child(2){left:20%}.curtain span:nth-child(3){left:40%}
.curtain span:nth-child(4){left:60%}.curtain span:nth-child(5){left:80%}

/* ============ nav ============ */
#nav{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .45s ease,border-color .45s ease,backdrop-filter .45s ease;
  border-bottom:1px solid transparent;
}
#nav.scrolled{
  background:hsl(var(--background) / .72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--border);
}
#nav .container{display:flex;align-items:center;justify-content:space-between;gap:24px}
#nav .brand img{height:34px;width:auto}
#nav .links{display:flex;gap:30px;list-style:none}
#nav .links a{
  font-size:13.5px;font-weight:500;letter-spacing:.04em;color:hsl(var(--muted));
  position:relative;padding:6px 0;transition:color .3s;
}
#nav .links a::after{
  content:'';position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:hsl(var(--primary-bright));transform:scaleX(0);transform-origin:right;
  transition:transform .45s var(--ease-out);
}
#nav .links a:hover{color:hsl(var(--foreground))}
#nav .links a:hover::after{transform:scaleX(1);transform-origin:left}
#nav .links a.active{color:hsl(var(--foreground))}
#nav .links a.active::after{transform:scaleX(1)}
.nav-auth{display:flex;gap:10px;align-items:center}

/* ============ user chip (navbar, logged-in state) ============ */
.user-chip{position:relative}
.user-chip>button{
  display:flex;align-items:center;gap:10px;padding:6px 12px 6px 6px;cursor:pointer;
  border:1px solid var(--border);border-radius:999px;background:hsl(var(--card) / .6);
  transition:border-color .3s,background .3s;
}
.user-chip>button:hover{border-color:var(--border-strong);background:hsl(var(--card))}
.user-chip .avatar{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,hsl(var(--primary)),hsl(var(--primary-bright)));
  color:#181006;font-family:var(--font-display);font-size:12px;font-weight:800;letter-spacing:.02em;
}
.user-chip .uname{font-size:13px;font-weight:600;color:hsl(var(--foreground));max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-chip .chev{width:14px;height:14px;color:hsl(var(--muted));transition:transform .3s}
.user-chip.open .chev{transform:rotate(180deg)}
.user-drop{
  position:absolute;top:calc(100% + 10px);right:0;width:230px;z-index:130;
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:hsl(var(--background-2) / .97);backdrop-filter:blur(18px);
  box-shadow:0 24px 60px -18px rgb(0 0 0 / .6);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .28s ease,transform .28s var(--ease-out),visibility .28s;
}
.user-chip.open .user-drop{opacity:1;visibility:visible;transform:translateY(0)}
.user-drop .ud-head{padding:14px 16px;border-bottom:1px solid var(--border)}
.user-drop .ud-head b{display:block;font-size:13.5px}
.user-drop .ud-head span{font-size:12px;color:hsl(var(--muted-2))}
.user-drop a{
  display:flex;align-items:center;gap:11px;padding:11px 16px;font-size:13.5px;color:hsl(var(--muted));
  transition:background .25s,color .25s,padding-left .25s;
}
.user-drop a svg{width:15px;height:15px;flex:none;color:hsl(var(--muted-2));transition:color .25s}
.user-drop a:hover{background:hsl(var(--primary) / .08);color:hsl(var(--foreground));padding-left:20px}
.user-drop a:hover svg{color:hsl(var(--primary-bright))}
.user-drop a.danger{color:#e08a8a}
.user-drop a.danger svg{color:#e08a8a}
.user-drop .ud-sep{height:1px;background:var(--border);margin:6px 0}
.mobile-user{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius);background:hsl(var(--card) / .5)}
.mobile-user .avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,hsl(var(--primary)),hsl(var(--primary-bright)));
  color:#181006;font-family:var(--font-display);font-size:13px;font-weight:800;
}
.mobile-user div b{display:block;font-size:14px;color:hsl(var(--foreground))}
.mobile-user div span{font-size:12px;color:hsl(var(--muted-2))}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:calc(var(--radius) - 2px);
  font-family:var(--font-display);font-size:14px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .35s var(--ease-out),box-shadow .35s,background .35s,border-color .35s,color .35s;
  will-change:transform;
}
.btn svg{width:16px;height:16px;transition:transform .35s var(--ease-out)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{
  background:linear-gradient(135deg,hsl(var(--primary)),hsl(var(--primary-bright)));
  color:#181006;
  box-shadow:0 8px 28px -8px hsl(var(--primary) / .55),inset 0 1px 0 hsl(40 90% 80% / .35);
}
.btn-primary:hover{box-shadow:0 14px 40px -8px hsl(var(--primary) / .7),inset 0 1px 0 hsl(40 90% 80% / .35);transform:translateY(-2px)}
.btn-ghost{border-color:hsl(var(--foreground) / .18);color:hsl(var(--foreground));background:hsl(var(--foreground) / .03)}
.btn-ghost:hover{border-color:var(--border-strong);background:hsl(var(--primary) / .08);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:13px}
.btn-block{width:100%}

/* ============ badges / eyebrow / titles ============ */
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--border);background:hsl(var(--primary) / .06);
  font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:hsl(var(--primary-soft));
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:hsl(var(--primary-bright));box-shadow:0 0 12px hsl(var(--primary-bright));animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.72)}}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;margin-bottom:22px;
  font-size:12px;font-weight:700;letter-spacing:.3em;text-transform:uppercase;color:hsl(var(--primary-bright));
}
.eyebrow::before{content:'';width:34px;height:1px;background:linear-gradient(90deg,hsl(var(--primary-bright)),transparent)}
.sec-title{font-size:clamp(32px,4.4vw,54px);margin-bottom:20px}
.sec-sub{font-size:16.5px;color:hsl(var(--muted));max-width:560px}
.line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.line>span{display:block;will-change:transform}

/* ============ page hero (subpages) ============ */
.page-hero{
  min-height:58vh;display:flex;align-items:center;
  padding:calc(var(--nav-h) + 70px) 0 70px;overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(70% 60% at 78% 18%,hsl(var(--navy) / .5),transparent 62%),
    radial-gradient(46% 40% at 12% 80%,hsl(var(--primary) / .07),transparent 70%);
}
.page-hero .grid-bg{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(hsl(var(--foreground) / .035) 1px,transparent 1px),linear-gradient(90deg,hsl(var(--foreground) / .035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(75% 70% at 50% 30%,#000 30%,transparent 75%);
  mask-image:radial-gradient(75% 70% at 50% 30%,#000 30%,transparent 75%);
}
.page-hero h1{font-size:clamp(36px,5.4vw,68px);font-weight:800;margin:24px 0 20px;max-width:18ch}
.page-hero .hero-sub{font-size:16.5px;color:hsl(var(--muted));max-width:58ch;margin-bottom:34px}
.page-hero .hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.page-hero .hero-ctas .btn{height:46px;padding:0 24px;font-size:13.5px}

/* ============ service cards ============ */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;margin-top:56px}
.svc{
  grid-column:span 4;position:relative;overflow:hidden;
  background:hsl(var(--card));border:1px solid var(--border);border-radius:var(--radius);
  padding:34px 30px 30px;min-height:250px;display:flex;flex-direction:column;
  transition:border-color .4s,background .4s,transform .5s var(--ease-out);
}
.svc.wide{grid-column:span 6}
.svc::before{
  content:'';position:absolute;inset:0;opacity:0;transition:opacity .5s;
  background:radial-gradient(420px 220px at var(--mx,50%) var(--my,0%),hsl(var(--primary) / .13),transparent 70%);
  pointer-events:none;
}
.svc:hover{border-color:var(--border-strong);background:hsl(var(--card-hover));transform:translateY(-4px)}
.svc:hover::before{opacity:1}
.svc .idx{
  position:absolute;top:26px;right:26px;font-family:var(--font-display);
  font-size:12px;font-weight:700;letter-spacing:.18em;color:hsl(var(--muted-2));
}
.svc .ico{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:22px;
  background:hsl(var(--primary) / .1);border:1px solid hsl(var(--primary) / .25);color:hsl(var(--primary-bright));
}
.svc .ico svg{width:22px;height:22px}
.svc h3{font-size:20px;margin-bottom:10px}
.svc p{font-size:14.5px;color:hsl(var(--muted));flex:1}
.svc .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.svc .chip{
  font-size:11.5px;font-weight:600;letter-spacing:.04em;padding:5px 12px;border-radius:999px;
  border:1px solid var(--border);background:hsl(var(--background) / .5);color:hsl(var(--muted));
}
.svc .more{
  margin-top:20px;display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:hsl(var(--primary-bright));
  opacity:0;transform:translateY(6px);transition:opacity .4s,transform .4s var(--ease-out);
}
.svc:hover .more{opacity:1;transform:none}

/* ============ pillars ============ */
.pillars{display:grid;gap:14px}
.pillar{
  display:flex;gap:18px;align-items:flex-start;padding:22px 24px;border-radius:var(--radius);
  border:1px solid var(--border);background:hsl(var(--card) / .6);
  transition:border-color .35s,background .35s,transform .45s var(--ease-out);
}
.pillar:hover{border-color:var(--border-strong);background:hsl(var(--card));transform:translateX(6px)}
.pillar .ico{
  width:42px;height:42px;flex:none;border-radius:11px;display:grid;place-items:center;
  background:hsl(var(--primary) / .1);border:1px solid hsl(var(--primary) / .22);color:hsl(var(--primary-bright));
}
.pillar .ico svg{width:20px;height:20px}
.pillar h4{font-size:16px;margin-bottom:4px}
.pillar p{font-size:13.5px;color:hsl(var(--muted))}

/* ============ tech cards ============ */
.stack-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:44px}
.tech{
  position:relative;border:1px solid var(--border);border-radius:var(--radius);
  background:hsl(var(--card) / .7);padding:28px 22px;text-align:center;overflow:hidden;
  transition:border-color .35s,transform .45s var(--ease-out),background .35s;
}
.tech:hover{border-color:var(--border-strong);transform:translateY(-5px);background:hsl(var(--card))}
.tech .glyph{
  font-family:var(--font-display);font-weight:800;font-size:28px;margin-bottom:14px;
  color:hsl(var(--primary-bright));letter-spacing:-.02em;
}
.tech h4{font-size:15px;margin-bottom:6px}
.tech p{font-size:12px;color:hsl(var(--muted-2));line-height:1.5}
.tech::after{
  content:'';position:absolute;left:20%;right:20%;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,hsl(var(--primary) / .6),transparent);
  opacity:0;transition:opacity .4s;
}
.tech:hover::after{opacity:1}
.stack-cat{margin-top:64px}
.stack-cat:first-of-type{margin-top:56px}
.stack-cat .cat-label{
  display:inline-flex;align-items:center;gap:12px;margin-bottom:8px;
  font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:hsl(var(--primary-soft));
}
.stack-cat .cat-label::after{content:'';width:60px;height:1px;background:linear-gradient(90deg,hsl(var(--primary) / .5),transparent)}

/* ============ system cards (static) ============ */
.sys-card{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--border);background:linear-gradient(160deg,hsl(var(--card)),hsl(var(--background-2)));
  padding:46px 44px;min-height:400px;display:flex;flex-direction:column;
  transition:border-color .4s,transform .5s var(--ease-out);
}
.sys-card:hover{border-color:var(--border-strong);transform:translateY(-4px)}
.sys-card .tag{
  align-self:flex-start;display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  margin-bottom:26px;
}
.sys-card.saas .tag{background:hsl(152 55% 45% / .12);color:#6fd6a3;border:1px solid hsl(152 55% 45% / .3)}
.sys-card.custom .tag{background:hsl(var(--primary) / .12);color:hsl(var(--primary-bright));border:1px solid hsl(var(--primary) / .3)}
.sys-card h3{font-size:clamp(24px,2.4vw,32px);margin-bottom:14px}
.sys-card .desc{color:hsl(var(--muted));font-size:15.5px;max-width:48ch;margin-bottom:28px}
.sys-card ul{list-style:none;display:grid;gap:12px;margin-bottom:34px}
.sys-card ul li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:hsl(var(--foreground) / .88)}
.sys-card ul li svg{width:17px;height:17px;flex:none;margin-top:3px;color:hsl(var(--primary-bright))}
.sys-card .price{font-family:var(--font-display);font-size:15px;color:hsl(var(--primary-soft));margin-bottom:22px}
.sys-card .price b{font-size:26px;font-weight:800;color:hsl(var(--foreground))}
.sys-card .foot{margin-top:auto}
.sys-card .ghost-num{
  position:absolute;right:-14px;bottom:-38px;font-family:var(--font-display);font-weight:800;
  font-size:200px;line-height:1;color:hsl(var(--foreground) / .03);pointer-events:none;user-select:none;
}

/* ============ contact block ============ */
.c-wrap{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:0;border:1px solid var(--border);
  border-radius:22px;overflow:hidden;background:hsl(var(--card) / .55);margin-top:56px;
}
.c-info{padding:52px 48px;background:linear-gradient(160deg,hsl(var(--navy) / .55),hsl(var(--background-2)) 70%);border-right:1px solid var(--border)}
.c-info h3{font-size:26px;margin-bottom:12px}
.c-info>p{font-size:14.5px;color:hsl(var(--muted));margin-bottom:36px;max-width:36ch}
.c-line{display:flex;gap:16px;align-items:center;padding:15px 0;border-bottom:1px solid hsl(var(--foreground) / .06)}
.c-line:last-of-type{border-bottom:0}
.c-line .ico{width:38px;height:38px;flex:none;border-radius:10px;display:grid;place-items:center;background:hsl(var(--primary) / .1);border:1px solid hsl(var(--primary) / .22);color:hsl(var(--primary-bright))}
.c-line .ico svg{width:17px;height:17px}
.c-line .k{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:hsl(var(--muted-2))}
.c-line .v{font-size:14.5px;font-weight:500}
.c-form{padding:52px 48px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:hsl(var(--muted))}
.field input,.field select,.field textarea{
  background:hsl(var(--background) / .7);border:1px solid var(--border);border-radius:10px;
  padding:13px 16px;font-size:14.5px;color:hsl(var(--foreground));outline:none;
  transition:border-color .3s,box-shadow .3s;width:100%;
}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:hsl(var(--primary) / .6);box-shadow:0 0 0 3px hsl(var(--primary) / .15);
}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23cd8735' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.field select option{background:hsl(var(--background-2))}
.c-form .btn{grid-column:1/-1;justify-self:start}
.form-note{grid-column:1/-1;font-size:12px;color:hsl(var(--muted-2));display:flex;gap:8px;align-items:center}
.form-note svg{width:13px;height:13px;color:hsl(var(--primary-bright));flex:none}

/* ============ CTA banner ============ */
.cta-banner{
  position:relative;overflow:hidden;text-align:center;
  border:1px solid var(--border);border-radius:22px;padding:70px 40px;
  background:
    radial-gradient(60% 90% at 50% 0%,hsl(var(--navy) / .6),transparent 70%),
    linear-gradient(160deg,hsl(var(--card)),hsl(var(--background-2)));
}
.cta-banner h2{font-size:clamp(28px,3.6vw,44px);margin-bottom:14px}
.cta-banner p{color:hsl(var(--muted));max-width:52ch;margin:0 auto 32px}

/* ============ footer ============ */
footer{border-top:1px solid var(--border);padding:70px 0 34px;background:hsl(var(--background-2) / .4)}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;margin-bottom:56px}
.f-grid .brand img{height:36px;margin-bottom:18px}
.f-grid .brand p{font-size:13.5px;color:hsl(var(--muted));max-width:32ch}
.f-grid h5{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:hsl(var(--muted-2));margin-bottom:18px;font-family:var(--font-display)}
.f-grid ul{list-style:none;display:grid;gap:11px}
.f-grid ul a{font-size:14px;color:hsl(var(--muted));transition:color .3s}
.f-grid ul a:hover{color:hsl(var(--primary-bright))}
.f-grid .f-contact li{display:flex;flex-direction:column;font-size:13.5px;color:hsl(var(--muted))}
.f-grid .f-contact li b{color:hsl(var(--foreground));font-weight:600;font-size:12px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:2px}
.f-bottom{border-top:1px solid var(--border);padding-top:26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:hsl(var(--muted-2))}
.f-bottom .legal{display:flex;gap:22px}
.f-bottom .legal a{transition:color .3s}
.f-bottom .legal a:hover{color:hsl(var(--primary-bright))}

/* ============ auth pages ============ */
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.auth-brand{
  position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;
  padding:48px;background:
    radial-gradient(90% 70% at 20% 20%,hsl(var(--navy) / .6),transparent 60%),
    radial-gradient(50% 40% at 85% 85%,hsl(var(--primary) / .1),transparent 70%),
    hsl(var(--background-2));
  border-right:1px solid var(--border);
}
.auth-brand .grid-bg{
  position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:linear-gradient(hsl(var(--foreground) / .03) 1px,transparent 1px),linear-gradient(90deg,hsl(var(--foreground) / .03) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(80% 80% at 50% 50%,#000 20%,transparent 78%);
  mask-image:radial-gradient(80% 80% at 50% 50%,#000 20%,transparent 78%);
}
.auth-brand img{height:38px;position:relative;z-index:2}
.auth-brand .big{
  position:relative;z-index:2;font-family:var(--font-display);font-weight:800;letter-spacing:-.03em;
  font-size:clamp(30px,3.2vw,44px);line-height:1.12;max-width:16ch;
}
.auth-brand .big em{font-style:normal;color:hsl(var(--primary-bright))}
.auth-brand .foot-note{position:relative;z-index:2;font-size:13.5px;color:hsl(var(--muted));max-width:38ch;line-height:1.6}
.auth-form{display:flex;align-items:center;justify-content:center;padding:60px 32px}
.auth-card{width:min(440px,100%)}
.auth-card h1{font-size:30px;margin-bottom:8px}
.auth-card .sub{font-size:14.5px;color:hsl(var(--muted));margin-bottom:34px;line-height:1.5}
.auth-card form{display:grid;gap:18px}
.auth-card .field{display:flex;flex-direction:column;gap:8px}
.auth-card .field label{font-size:13px;font-weight:600;color:hsl(var(--foreground))}
.auth-card .field input{width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--border-strong);background:hsl(var(--foreground) / .05);color:hsl(var(--foreground));font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
.auth-card .field input::placeholder{color:hsl(var(--muted-2))}
.auth-card .field input:focus{border-color:hsl(var(--primary));box-shadow:0 0 0 3px hsl(var(--primary) / .22);background:hsl(var(--foreground) / .08)}
.auth-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;gap:12px}
.auth-row span{color:hsl(var(--muted));line-height:1.4}
.auth-row label{display:flex;gap:8px;align-items:center;color:hsl(var(--muted));cursor:pointer}
.auth-row input[type=checkbox]{accent-color:hsl(var(--primary));width:15px;height:15px}
.auth-row a{color:hsl(var(--primary-bright));font-weight:600}
.auth-row a:hover{text-decoration:underline}
.auth-divider{display:flex;align-items:center;gap:14px;color:hsl(var(--muted));font-size:12px;letter-spacing:.18em;text-transform:uppercase;margin:6px 0}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.btn-google{
  background:hsl(var(--foreground) / .04);border:1px solid hsl(var(--foreground) / .16);color:hsl(var(--foreground));
}
.btn-google:hover{background:hsl(var(--foreground) / .08);border-color:hsl(var(--foreground) / .3);transform:translateY(-2px)}
.btn-google svg{width:17px;height:17px}
.auth-switch{margin-top:28px;text-align:center;font-size:13.5px;color:hsl(var(--muted));line-height:1.6}
.auth-switch a{color:hsl(var(--primary-bright));font-weight:600}
.auth-switch a:hover{text-decoration:underline}


/* ============ reduced motion ============ */
html.reduced *,html.reduced *::before,html.reduced *::after{animation:none!important;transition:none!important}
html.reduced #preloader,html.reduced .curtain{display:none!important}
html.reduced .line>span{transform:none!important}
html.reduced [data-reveal],html.reduced [data-ha]{opacity:1!important;transform:none!important}

/* ============ responsive ============ */
@media (max-width:1020px){
  .svc{grid-column:span 6}.svc.wide{grid-column:span 6}
  .stack-grid{grid-template-columns:repeat(3,1fr)}
  .c-wrap{grid-template-columns:1fr}
  .c-info{border-right:0;border-bottom:1px solid var(--border)}
  .f-grid{grid-template-columns:1fr 1fr}
  .auth-wrap{grid-template-columns:1fr}
  .auth-brand{display:none}
}
@media (max-width:720px){
  section{padding:80px 0}
  #nav .links{display:none}
  .nav-auth .btn-ghost{display:none}
  .svc{grid-column:span 12}.svc.wide{grid-column:span 12}
  .stack-grid{grid-template-columns:repeat(2,1fr)}
  .c-form{grid-template-columns:1fr;padding:36px 26px}
  .c-info{padding:36px 26px}
  .sys-card{padding:34px 26px;min-height:0}
  .f-grid{grid-template-columns:1fr}
  .page-hero{min-height:0}
}
/* ============ mobile hamburger menu ============ */
.nav-burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:10px;border:0;background:transparent;cursor:pointer;
  border-radius:10px;transition:background .3s;
}
.nav-burger:hover{background:hsl(var(--foreground) / .06)}
.nav-burger span{
  display:block;width:22px;height:2px;border-radius:2px;
  background:hsl(var(--foreground));transition:transform .35s ease,opacity .3s ease;
}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{
  position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;z-index:99;
  background:hsl(var(--background) / .96);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .35s ease,transform .35s ease,visibility .35s;
  overflow-y:auto;
}
.mobile-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-menu-inner{padding:28px 24px 40px;display:flex;flex-direction:column;gap:32px;min-height:100%}
.mobile-links{list-style:none;display:flex;flex-direction:column;gap:4px}
.mobile-links a{
  display:block;padding:14px 8px;font-family:var(--font-display);
  font-size:20px;font-weight:600;color:hsl(var(--foreground));
  border-bottom:1px solid var(--border);transition:color .3s,padding-left .3s;
}
.mobile-links a:hover,.mobile-links a.active{color:hsl(var(--primary-bright));padding-left:14px}
.mobile-auth{display:flex;flex-direction:column;gap:12px;margin-top:auto}
.mobile-auth .btn{width:100%;height:52px;font-size:15px}

@media (max-width:720px){
  #nav .links{display:none}
  .nav-auth{display:none}
  .nav-burger{display:flex}
}
/* ================================================================
   TEMA CLARO (light) — ativado via data-theme="light" no <html>
   ================================================================ */
html[data-theme="light"]{
  --background: 220 35% 97%;
  --background-2: 222 38% 95%;
  --card: 0 0% 100%;
  --card-hover: 220 30% 94%;
  --foreground: 222 47% 15%;
  --muted: 222 20% 42%;
  --muted-2: 222 16% 55%;
  --primary: 33 58% 50%;
  --primary-bright: 35 76% 59%;
  --primary-soft: 36 92% 90%;
  --navy: 226 60% 28%;
  --border: 222 25% 55% / .26;
  --border-strong: 222 25% 42% / .42;
}
html[data-theme="light"] ::selection{background:hsl(var(--primary) / .85);color:#fff}
html[data-theme="light"] ::-webkit-scrollbar-thumb{background:hsl(222 25% 70%)}
html[data-theme="light"] .cal-day:hover:not(:disabled){background:rgba(15,23,42,.06)!important}