/* ================================================================
   KiroSwitch — 1:1 Premium Landing Page
   ================================================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#08080f;
  --bg2:#0c0c16;
  --card:rgba(16,16,28,.7);
  --card-h:rgba(20,20,36,.85);
  --border:rgba(255,255,255,.06);
  --border-h:rgba(255,255,255,.1);
  --t1:#ededf5;
  --t2:#8c8ca8;
  --t3:#55556a;
  --accent:#7c6aff;
  --accent2:#b44aff;
  --accent-l:#a99bff;
  --glow:rgba(124,106,255,.15);
  --grad:linear-gradient(135deg,#7c6aff,#b44aff 60%,#ff6ac1);
  --r:14px;--rs:10px;--rx:8px;
}

html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  background:var(--bg);color:var(--t1);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
.container{max-width:980px;margin:0 auto;padding:0 24px}

/* ================================================================
   BG Effects
   ================================================================ */
.bg-fx{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(120px);animation:drift 24s ease-in-out infinite}
.orb-1{width:700px;height:700px;background:radial-gradient(circle,rgba(124,106,255,.15),transparent 70%);top:-250px;left:50%;transform:translateX(-50%)}
.orb-2{width:500px;height:500px;background:radial-gradient(circle,rgba(180,74,255,.1),transparent 70%);top:35%;right:-150px;animation-delay:-8s;animation-duration:28s}
.orb-3{width:400px;height:400px;background:radial-gradient(circle,rgba(59,130,246,.08),transparent 70%);bottom:5%;left:-100px;animation-delay:-14s;animation-duration:22s}
@keyframes drift{
  0%,100%{transform:translate(0,0)}
  33%{transform:translate(25px,-18px)}
  66%{transform:translate(-18px,22px)}
}
.grid-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 60% 45% at 50% 25%,#000,transparent);
  -webkit-mask-image:radial-gradient(ellipse 60% 45% at 50% 25%,#000,transparent);
}

/* ================================================================
   Navbar — sticky glass
   ================================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:0 24px;
  background:rgba(8,8,15,.6);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  transition:background .3s ease;
}
.nav.scrolled{background:rgba(8,8,15,.85)}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;max-width:980px;margin:0 auto;
}
.nav-logo{
  display:flex;align-items:center;gap:10px;
  font-size:15px;font-weight:700;color:var(--t1);
}
.logo-icon{
  display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:8px;
  background:var(--grad);font-size:14px;
}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:13px;font-weight:500;color:var(--t2);transition:color .2s}
.nav-links a:hover{color:var(--t1)}
.nav-gh{display:inline-flex;align-items:center;gap:6px}
.nav-gh svg{opacity:.7;transition:opacity .2s}
.nav-gh:hover svg{opacity:1}

/* ================================================================
   Hero
   ================================================================ */
.hero{
  position:relative;z-index:1;text-align:center;
  padding:150px 0 72px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 20px;border-radius:100px;
  font-size:12.5px;font-weight:600;letter-spacing:.4px;
  color:var(--accent-l);background:var(--glow);
  border:1px solid rgba(124,106,255,.22);
  margin-bottom:28px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  animation:up .7s ease both;
}
.badge-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 8px var(--accent);
  animation:blink 2s ease-in-out infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.4}}

.hero-title{
  font-size:58px;font-weight:900;line-height:1.1;
  margin-bottom:20px;animation:up .7s ease .08s both;
}
.t-white{
  background:linear-gradient(180deg,#fff 30%,#b8b0ff);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}

.hero-sub{
  font-size:16px;color:var(--t2);max-width:460px;
  margin:0 auto 36px;line-height:1.75;
  animation:up .7s ease .16s both;
}

.hero-btns{
  display:flex;gap:12px;justify-content:center;
  margin-bottom:52px;animation:up .7s ease .24s both;
}

@keyframes up{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}

/* Primary btn */
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 30px;border-radius:var(--rs);
  font-size:14px;font-weight:600;color:#fff;
  background:var(--grad);
  box-shadow:0 4px 24px rgba(124,106,255,.3);
  transition:transform .2s,box-shadow .3s;
  position:relative;overflow:hidden;
}
.btn-primary::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(rgba(255,255,255,.15),transparent);
  opacity:0;transition:opacity .3s;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(124,106,255,.45)}
.btn-primary:hover::after{opacity:1}

/* Secondary btn */
.btn-secondary{
  display:inline-flex;align-items:center;
  padding:12px 26px;border-radius:var(--rs);
  font-size:14px;font-weight:500;color:var(--t2);
  border:1px solid var(--border);
  background:rgba(255,255,255,.02);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:all .2s;
}
.btn-secondary:hover{border-color:var(--border-h);color:var(--t1);background:rgba(255,255,255,.04)}

/* Pills */
.hero-pills{
  display:flex;gap:10px;justify-content:center;flex-wrap:wrap;
  padding:0 24px;animation:up .7s ease .32s both;
}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:var(--rx);
  font-size:13px;font-weight:500;color:var(--t2);
  background:var(--card);border:1px solid var(--border);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:all .25s;cursor:default;
}
.pill:hover{border-color:rgba(124,106,255,.2);color:var(--t1);transform:translateY(-1px)}
.pill-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}

/* ================================================================
   Sections
   ================================================================ */
.section{position:relative;z-index:1;padding:80px 0}
.sec-alt{background:var(--bg2)}

.sec-title{text-align:center;margin-bottom:44px}
.sec-label{
  font-size:24px;font-weight:700;letter-spacing:-.3px;
  display:block;margin-bottom:14px;
}
.sec-bar{
  width:44px;height:3px;border-radius:2px;
  background:var(--grad);margin:0 auto;
}

/* Grid */
.grid{display:grid;gap:14px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}

/* ================================================================
   Quick-Start Cards
   ================================================================ */
.card{
  display:flex;flex-direction:column;justify-content:space-between;
  padding:24px;border-radius:var(--r);
  background:var(--card);border:1px solid var(--border);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:all .3s cubic-bezier(.4,0,.2,1);
  cursor:pointer;position:relative;overflow:hidden;
  min-height:180px;
}
.card::before{
  content:'';position:absolute;inset:-1px;border-radius:var(--r);
  background:linear-gradient(135deg,rgba(124,106,255,.12),transparent 60%);
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.card:hover{
  border-color:rgba(124,106,255,.18);
  transform:translateY(-3px);
  box-shadow:0 16px 48px rgba(0,0,0,.25),0 0 0 1px rgba(124,106,255,.08);
}
.card:hover::before{opacity:1}

.card-top{display:flex;align-items:flex-start;gap:16px}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  box-shadow:0 4px 16px rgba(0,0,0,.3);
}
.card-top h3{font-size:15px;font-weight:600;margin-bottom:3px;color:var(--t1)}
.card-top p{font-size:12.5px;color:var(--t2);line-height:1.5}

.card-foot{
  display:flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--accent-l);
  margin-top:auto;padding-top:16px;
  transition:gap .25s;
}
.card:hover .card-foot{gap:10px}

/* ================================================================
   Download Cards
   ================================================================ */
.dl-card{
  padding:28px 24px;border-radius:var(--r);
  background:var(--card);border:1px solid var(--border);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:all .3s;position:relative;overflow:hidden;
}
.dl-card::after{
  content:'';position:absolute;top:-50px;right:-50px;
  width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,106,255,.06),transparent 70%);
  pointer-events:none;
}
.dl-card:hover{border-color:var(--border-h);transform:translateY(-2px)}
.dl-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.dl-card p{font-size:13px;color:var(--t2);margin-bottom:20px;line-height:1.6}

.dl-row{display:flex;gap:8px;flex-wrap:wrap}
.dl-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:var(--rx);
  font-size:12.5px;font-weight:500;color:var(--t2);
  background:rgba(255,255,255,.025);border:1px solid var(--border);
  transition:all .2s;cursor:pointer;
}
.dl-btn:hover{
  border-color:var(--accent);color:var(--accent-l);
  background:var(--glow);box-shadow:0 0 16px rgba(124,106,255,.08);
}
.dl-btn svg{opacity:.6;transition:opacity .2s}
.dl-btn:hover svg{opacity:1}

/* ================================================================
   Community
   ================================================================ */
.comm-wrap{max-width:600px;margin:0 auto}
.comm-card{
  display:flex;align-items:center;gap:32px;
  padding:36px;border-radius:var(--r);
  background:var(--card);border:1px solid var(--border);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.qr-box{
  width:150px;height:150px;border-radius:var(--rs);
  background:rgba(255,255,255,.025);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;color:var(--t3);font-size:12px;
}
.comm-body h3{font-size:18px;font-weight:700;margin-bottom:8px}
.comm-body p{font-size:13px;color:var(--t2);margin-bottom:16px;line-height:1.65}
.comm-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--rx);
  font-size:11.5px;font-weight:500;color:var(--accent-l);
  background:var(--glow);border:1px solid rgba(124,106,255,.14);
}
.tag-dot{
  width:5px;height:5px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 6px var(--accent);
}

/* ================================================================
   Footer
   ================================================================ */
.footer{
  position:relative;z-index:1;padding:24px 0;
  border-top:1px solid var(--border);text-align:center;
}
.footer p{font-size:12px;color:var(--t3)}

/* ================================================================
   Scroll Reveal
   ================================================================ */
.card,.dl-card,.comm-card{
  opacity:0;transform:translateY(20px);
  transition:opacity .55s ease,transform .55s ease,
    border-color .3s,background .3s,box-shadow .3s;
}
.card.vis,.dl-card.vis,.comm-card.vis{opacity:1;transform:translateY(0)}
.grid .card:nth-child(2),.grid .dl-card:nth-child(2){transition-delay:.08s}
.grid .card:nth-child(3){transition-delay:.16s}

/* ================================================================
   Responsive
   ================================================================ */
@media(max-width:768px){
  .hero{padding:110px 0 56px}
  .hero-title{font-size:38px}
  .hero-sub{font-size:14px}
  .hero-btns{flex-direction:column;align-items:center}
  .g3,.g2{grid-template-columns:1fr}
  .section{padding:56px 0}
  .comm-card{flex-direction:column;text-align:center;padding:24px;gap:20px}
  .dl-row{flex-direction:column}
  .nav-links a:not(.nav-gh){display:none}
}
@media(max-width:480px){
  .hero-title{font-size:30px}
  .container{padding:0 16px}
  .pill{font-size:12px;padding:6px 12px}
}

/* Misc */
::selection{background:rgba(124,106,255,.3);color:#fff}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.07);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.14)}