/* Simini site — shared design system (mirrors twinai.net) */
:root{
  --black:#000; --bg-body:#000;
  --white-90:#ffffffe6; --white-80:#fffc; --white-60:#fff9; --white-40:#ffffff99;
  --white-30:#ffffff73; --white-20:#ffffff4d; --white-15:#ffffff26; --white-10:#ffffff1a;
  --white-8:#ffffff14; --white-6:#ffffff0f; --white-3:#ffffff08;
  --brand-blue:#0055FF; --brand-cyan:#00D9C0; --cyan-hover:#00c4ad;
  --grad:linear-gradient(135deg,#93C5FD 0%,#3B82F6 50%,#0055FF 100%);
  --ease:cubic-bezier(0.22,1,0.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Outfit',Arial,sans-serif;background:var(--bg-body);color:var(--white-90);
  line-height:1.6;font-weight:300;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
/* ambient depth: soft radial glows so dark sections don't read as flat black (micro1 style) */
body::before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(75% 55% at 50% 0%,rgba(66,100,168,.20),transparent 62%),
    radial-gradient(50% 44% at 87% 32%,rgba(0,217,192,.09),transparent 60%),
    radial-gradient(55% 46% at 8% 60%,rgba(0,85,255,.11),transparent 60%),
    radial-gradient(62% 44% at 58% 100%,rgba(66,100,168,.12),transparent 62%)}
.sec-head{position:relative}
.sec-head::before{content:'';position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  width:min(820px,120%);height:340px;z-index:-1;pointer-events:none;
  background:radial-gradient(ellipse 50% 50% at 50% 50%,rgba(96,128,205,.24),transparent 70%);filter:blur(4px)}
/* section separator: glowing center divider line + radial glow bleeding down from the top */
section.line-top{border-top:1px solid rgba(255,255,255,.07)}
section.line-top::before{content:'';position:absolute;top:-1px;left:50%;transform:translateX(-50%);
  width:min(720px,82%);height:1px;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(140,170,240,.75),transparent)}
section.line-top::after{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(1000px,94%);height:300px;z-index:-1;pointer-events:none;
  background:radial-gradient(ellipse 55% 100% at 50% 0%,rgba(74,110,196,.22),transparent 72%)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.wrap{max-width:1180px;margin:0 auto;padding:0 2rem}
.spark{width:1em;height:1em;flex-shrink:0}
.eyebrow{display:inline-block;font-size:.7rem;font-weight:400;text-transform:uppercase;letter-spacing:.16em;
  color:var(--brand-cyan);margin-bottom:1.2rem}
.divider{width:2.75rem;height:2px;border-radius:1px;background:var(--brand-cyan);margin:1.1rem auto 0}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.6rem;border-radius:5rem;font-family:inherit;font-size:.95rem;
  font-weight:600;cursor:pointer;transition:all .3s var(--ease);border:1px solid transparent;white-space:nowrap}
.btn-primary{background:#fff;color:#000;padding:.7rem .7rem .7rem 1.4rem}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,255,255,.15)}
.btn-primary .arrow{width:1.7rem;height:1.7rem;border-radius:8px;background:#000;display:flex;align-items:center;justify-content:center}
.btn-primary .arrow svg{width:.85rem;height:.85rem;stroke:#fff;transition:transform .25s var(--ease)}
.btn-primary:hover .arrow svg{transform:translateX(3px)}
.btn-ghost{background:transparent;border-color:var(--white-20);color:var(--white-90);padding:.7rem 1.5rem}
.btn-ghost:hover{background:var(--white-6);border-color:var(--white-30)}
.btn-cyan{background:var(--brand-cyan);color:#00120f;padding:.6rem 1.4rem;font-weight:600}
.btn-cyan:hover{background:var(--cyan-hover);box-shadow:0 6px 22px rgba(0,217,192,.3)}

/* Brand */
.brand{display:flex;align-items:center;gap:.5rem;font-size:1.35rem;font-weight:600;letter-spacing:.02em;color:#fff}
.brand .spark{width:1.4rem;height:1.4rem}

/* Top nav */
.topnav{position:absolute;top:1.6rem;left:0;right:0;z-index:20;display:flex;align-items:center;
  justify-content:space-between;padding:0 2.2rem}
.topnav .links{display:flex;gap:1.9rem}
.topnav .links a{font-size:.9rem;color:var(--white-60);transition:color .25s}
.topnav .links a:hover{color:#fff}
.topnav .brand{position:absolute;left:50%;transform:translateX(-50%)}
/* right-side nav group: Sign in link + primary CTA */
.nav-right{display:flex;align-items:center;gap:1.1rem}
.nav-signin{font-size:.9rem;color:var(--white-60);transition:color .25s;white-space:nowrap;text-shadow:0 1px 14px rgba(0,0,0,.5)}
.nav-signin:hover{color:#fff}

/* Island pill nav */
.nav-pill{position:fixed;top:.75rem;left:50%;transform:translateX(-50%) translateY(-90px);z-index:200;
  display:flex;align-items:center;gap:1.1rem;padding:.4rem .42rem .4rem 1.15rem;
  background:rgba(16,18,24,.5);backdrop-filter:blur(30px) saturate(1.5);-webkit-backdrop-filter:blur(30px) saturate(1.5);
  border:1px solid var(--white-15);border-radius:5rem;transition:transform .5s var(--ease)}
.nav-pill.visible{transform:translateX(-50%) translateY(0)}
.nav-pill .brand{font-size:.98rem}
.nav-pill .brand .spark{width:1.05rem;height:1.05rem}
.nav-pill .links{display:flex;gap:1.15rem}
.nav-pill .links a{font-size:.82rem;color:var(--white-60);transition:all .2s}
.nav-pill .links a:hover{color:#fff;font-weight:500}
.nav-pill .nav-right{gap:.85rem}
.nav-pill .nav-signin{font-size:.82rem}
.nav-pill .btn{padding:.4rem .95rem;font-size:.82rem}
.nav-pill .btn-m1{padding:.32rem .32rem .32rem .85rem}
.nav-pill .btn-m1 .m1arrow{width:1.5rem;height:1.5rem;margin-left:.5rem}

/* Mobile nav (hamburger + glass slide-down sheet) — injected by site-nav.js */
.nav-burger{display:none;width:2.6rem;height:2.6rem;flex:0 0 auto;flex-direction:column;align-items:center;justify-content:center;gap:.28rem;
  border:1px solid var(--white-15);border-radius:1rem;background:var(--white-6);cursor:pointer;padding:0;-webkit-tap-highlight-color:transparent}
.nav-burger span{display:block;width:1.15rem;height:2px;border-radius:2px;background:var(--white-80);transition:opacity .2s}
.nav-burger:hover span{background:#fff}
.m-nav-overlay{position:fixed;inset:0;z-index:998;background:rgba(0,0,0,.55);opacity:0;transition:opacity .3s var(--ease);
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.m-nav-overlay.open{opacity:1}
.m-nav-sheet{position:fixed;top:.6rem;left:.6rem;right:.6rem;z-index:999;padding:.6rem .8rem 1rem;
  background:rgba(16,18,24,.72);backdrop-filter:blur(30px) saturate(1.5);-webkit-backdrop-filter:blur(30px) saturate(1.5);
  border:1px solid var(--white-15);border-radius:1.6rem;box-shadow:0 24px 60px rgba(0,0,0,.5);
  transform:translateY(-120%);opacity:0;transition:transform .38s var(--ease),opacity .3s var(--ease)}
.m-nav-sheet.open{transform:translateY(0);opacity:1}
.m-nav-head{display:flex;align-items:center;justify-content:space-between;padding:.35rem .4rem .1rem}
.m-nav-brand{display:flex;align-items:center;gap:.45rem;font-weight:600;color:#fff;font-size:1.02rem}
.m-nav-close{width:2.6rem;height:2.6rem;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--white-15);border-radius:.9rem;background:var(--white-6);color:var(--white-80);cursor:pointer}
.m-nav-close svg{width:1.1rem;height:1.1rem}
.m-nav-links{display:flex;flex-direction:column;margin-top:.45rem}
.m-nav-links a{display:flex;align-items:center;min-height:3rem;padding:0 .7rem;border-radius:.9rem;
  color:var(--white-80);font-size:1.05rem;transition:background .2s,color .2s}
.m-nav-links a:hover,.m-nav-links a:active{background:var(--white-8);color:#fff}
.m-nav-cta{display:flex;flex-direction:column;gap:.6rem;margin-top:.8rem;padding-top:.85rem;border-top:1px solid var(--white-10)}
.m-nav-signin{display:flex;align-items:center;justify-content:center;min-height:3rem;border:1px solid var(--white-15);
  border-radius:1rem;color:var(--white-80);font-size:1rem}
.m-nav-signin:hover{color:#fff}
.m-nav-demo{display:flex;align-items:center;justify-content:center;min-height:3rem;border-radius:1rem;font-size:1rem;
  background:var(--brand-cyan);color:#04201d;font-weight:600;transition:background .2s}
.m-nav-demo:hover{background:var(--cyan-hover)}
body.m-nav-lock{overflow:hidden}
@media(max-width:900px){.nav-burger{display:flex}}
@media(min-width:901px){.m-nav-sheet,.m-nav-overlay,.nav-burger{display:none!important}}

/* Hero shell */
.hero{position:relative;min-height:100dvh;display:flex;align-items:center;justify-content:center;
  text-align:center;overflow:hidden}
.hero.short{min-height:78dvh}
.hero-bg{position:absolute;inset:0;z-index:0;background:
  radial-gradient(60% 55% at 50% 8%,rgba(0,85,255,.20) 0%,transparent 60%),
  radial-gradient(45% 40% at 82% 75%,rgba(0,217,192,.10) 0%,transparent 60%),
  radial-gradient(50% 45% at 12% 70%,rgba(0,85,255,.10) 0%,transparent 60%),#000}
.hero-grid{position:absolute;inset:0;z-index:0;opacity:.35;
  background-image:linear-gradient(var(--white-6) 1px,transparent 1px),linear-gradient(90deg,var(--white-6) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 75%)}
.hero-inner{position:relative;z-index:2;max-width:920px;padding:0 1.5rem}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;font-size:.75rem;font-weight:400;
  padding:.4rem 1rem;border-radius:5rem;color:var(--white-80);letter-spacing:.04em;margin-bottom:1.8rem;
  background:linear-gradient(135deg,rgba(0,85,255,.14),rgba(0,217,192,.06));
  border:1px solid rgba(0,85,255,.28);backdrop-filter:blur(8px)}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-cyan);box-shadow:0 0 10px var(--brand-cyan)}
.hero h1{font-size:clamp(2.6rem,6.5vw,5.2rem);font-weight:500;line-height:1.05;letter-spacing:-.035em;margin-bottom:1.6rem}
.hero h1 em{font-style:italic;font-weight:500}
.hero p.sub{font-size:clamp(1.05rem,1.9vw,1.3rem);font-weight:300;color:var(--white-60);
  max-width:720px;margin:0 auto 2.4rem;line-height:1.55}
.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* micro1-style hero + pill button (site-wide) */
.hero-photo{position:absolute;inset:0;z-index:0;pointer-events:none;
  background:url('img/hero-bg.png') center/cover no-repeat;opacity:1}
.hero-veil{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,9,16,.80) 0%,rgba(6,9,16,.42) 24%,rgba(6,9,16,.14) 50%,rgba(6,9,16,.62) 100%)}
.hero.gentle h1{font-weight:400;color:#d3d5da;text-shadow:0 2px 30px rgba(0,0,0,.35);
  max-width:24ch;margin-left:auto;margin-right:auto;text-wrap:balance}
.hero.gentle h1 em{background:none;-webkit-text-fill-color:#eef0f3;color:#eef0f3;font-style:normal}
.hero.gentle h1 em.gold{font-style:normal;background:linear-gradient(135deg,#ECE0B6 0%,#D3B57F 48%,#B58F55 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero.gentle .sub{color:#c4c7ce}
.btn-m1{display:inline-flex;align-items:center;padding:.5rem .5rem .5rem 1.15rem;border-radius:11px;
  background:#eef0f2;color:#111;font-family:inherit;font-size:.9rem;font-weight:600;transition:background .25s var(--ease)}
.btn-m1:hover{background:#fff}
.btn-m1 .m1arrow{display:inline-flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;
  margin-left:.75rem;border-radius:8px;background:#111;color:#fff}
.btn-m1 .m1arrow svg{width:.85rem;height:.85rem;transition:transform .25s var(--ease)}
.btn-m1:hover .m1arrow svg{transform:translateX(3px)}
.topnav{align-items:flex-start}
.topnav .links{flex-direction:column;gap:.4rem;align-items:flex-start}
.topnav .links a{font-size:.9rem;color:rgba(255,255,255,.62)}
.topnav .brand{top:-2px}

/* Section shells */
section{position:relative;z-index:1}
.sec-head{text-align:center;max-width:760px;margin:0 auto 3.4rem}
.sec-head h2{font-size:clamp(2rem,3.5vw,2.75rem);font-weight:300;letter-spacing:-.02em;line-height:1.15}
.sec-head p{margin-top:1.1rem;font-size:1.05rem;color:var(--white-60)}
.pad{padding:7rem 0}
.line-top{border-top:1px solid var(--white-8)}

/* CTA */
.cta{position:relative;padding:8rem 0;overflow:hidden;text-align:center}
.cta-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(50% 60% at 50% 50%,rgba(0,85,255,.18),transparent 70%),#000}
.cta-card{position:relative;z-index:2;max-width:760px;margin:0 auto;padding:4rem 2.5rem;
  background:var(--white-6);backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);
  border:1px solid var(--white-15);border-radius:1.5rem;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.cta-card h2{font-size:clamp(2rem,4vw,2.9rem);font-weight:300;letter-spacing:-.02em;margin-bottom:1rem;line-height:1.12}
.cta-card p{color:var(--white-60);font-size:1.05rem;margin-bottom:2rem}

/* Footer */
footer{border-top:1px solid var(--white-8);padding:4rem 0 2rem}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.5rem}
.foot-brand .brand{margin-bottom:1rem}
.foot-brand p{font-size:.9rem;color:var(--white-40);max-width:280px;margin-bottom:1.2rem}
.foot-brand a.mail{font-size:.9rem;color:var(--white-60)}
.foot-brand a.mail:hover{color:var(--brand-cyan)}
.foot-col h4{font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;color:var(--white-30);margin-bottom:1rem}
.foot-col a{display:block;font-size:.9rem;color:var(--white-60);margin-bottom:.7rem;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bottom{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--white-8);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.foot-bottom span{font-size:.82rem;color:var(--white-30)}
.foot-bottom .socials{display:flex;gap:1rem}
.foot-bottom .socials a svg{width:1.2rem;height:1.2rem;stroke:var(--white-40);transition:stroke .2s}
.foot-bottom .socials a:hover svg{stroke:#fff}

/* Giant wordmark at page bottom (micro1 style) */
.wordmark{overflow:hidden;text-align:center;line-height:0;margin-top:1.5rem;pointer-events:none;user-select:none}
.wordmark span{display:inline-block;font-weight:800;letter-spacing:-.055em;line-height:.8;white-space:nowrap;
  font-size:min(29vw,410px);color:rgba(255,255,255,.055);transform:translateY(21%)}

/* Reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.reveal{opacity:1;transform:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* Mobile shared */
@media(max-width:900px){
  .topnav{padding:0 1.3rem}
  .topnav .links{display:none}
  .topnav .brand{position:static;transform:none}
  .nav-pill .links{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
  .pad{padding:5rem 0}
}
@media(max-width:560px){
  .wrap{padding:0 1.3rem}
  .foot-grid{grid-template-columns:1fr}
  .topnav{width:100vw;left:0;right:auto;box-sizing:border-box;padding:0 1.1rem;justify-content:flex-start;gap:1.3rem}
  .topnav .nav-right{gap:.8rem}
  .topnav .btn-m1{display:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}