/* ============================================================
   CloudXWeb — Aurora Cloud theme  (v2: colorful + iOS-ready)
   Every class name preserved from v1; markup untouched.
   ============================================================ */
:root{
  --bg-deep:#080816;
  --bg-panel:#12122e;
  --bg-panel-2:#171738;
  --cyan:#22d3ee;
  --violet:#8b5cf6;
  --magenta:#ec4899;
  --blue:#3b82f6;
  --emerald:#10b981;
  --amber:#f59e0b;
  --text:#eef0fb;
  --muted:#a3a8cc;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.05);
  --aurora:linear-gradient(135deg,#22d3ee 0%,#8b5cf6 52%,#ec4899 100%);
  --rainbow:linear-gradient(100deg,#22d3ee,#3b82f6,#8b5cf6,#ec4899,#f59e0b,#10b981,#22d3ee);
  --aurora-soft:linear-gradient(135deg,rgba(34,211,238,.18),rgba(139,92,246,.16),rgba(236,72,153,.16));
  --radius:18px;
  --shadow:0 24px 60px -24px rgba(0,0,0,.7);
  --maxw:1180px;
  --pad: max(22px, env(safe-area-inset-left));
  --font-display:'Space Grotesk','Segoe UI',system-ui,sans-serif;
  --font-body:'Inter','Segoe UI',system-ui,sans-serif;
  /* default per-card accent, overridden by :nth-child below */
  --accent:#8b5cf6;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  background:var(--bg-deep);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:rgba(139,92,246,.4);color:#fff}

/* aurora atmosphere */
.aurora-bg{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none}
.aurora-bg::before,.aurora-bg::after{
  content:"";position:absolute;border-radius:50%;filter:blur(90px);opacity:.6;
}
.aurora-bg::before{
  width:60vw;height:60vw;min-width:420px;min-height:420px;top:-18vw;left:-10vw;
  background:radial-gradient(circle at 30% 30%,rgba(34,211,238,.6),transparent 60%);
  animation:float1 18s ease-in-out infinite;
}
.aurora-bg::after{
  width:55vw;height:55vw;min-width:380px;min-height:380px;top:-5vw;right:-12vw;
  background:radial-gradient(circle at 70% 30%,rgba(236,72,153,.55),transparent 60%);
  animation:float2 22s ease-in-out infinite;
}
.aurora-orb{
  position:fixed;z-index:-2;width:50vw;height:50vw;min-width:360px;min-height:360px;border-radius:50%;
  left:20vw;bottom:-25vw;filter:blur(100px);opacity:.42;
  background:radial-gradient(circle,rgba(59,130,246,.6),transparent 62%);
  animation:float1 26s ease-in-out infinite reverse;pointer-events:none;
}
.grid-overlay{
  position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000,transparent 75%);
  mask-image:radial-gradient(circle at 50% 0%,#000,transparent 75%);
}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(4vw,4vh)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(-4vw,3vh)}}
@keyframes shimmer{0%{background-position:0% 50%}100%{background-position:200% 50%}}

/* layout helpers */
.container{
  max-width:var(--maxw);margin:0 auto;
  padding-left:max(22px,env(safe-area-inset-left));
  padding-right:max(22px,env(safe-area-inset-right));
}
.section{padding:clamp(56px,8vw,84px) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-display);font-size:.78rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
  padding:7px 14px;border:1px solid var(--line);border-radius:999px;
  background:var(--glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--aurora);box-shadow:0 0 12px var(--violet)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.1;letter-spacing:-.02em}
.section-head{max-width:680px;margin-bottom:46px}
.section-head h2{font-size:clamp(1.9rem,4vw,2.9rem);margin:18px 0 14px}
.section-head p{color:var(--muted);font-size:clamp(1rem,2.4vw,1.05rem)}
.gradient-text{
  background:var(--rainbow);background-size:200% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shimmer 6s linear infinite;
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;border:0;
  font-family:var(--font-display);font-weight:600;font-size:.97rem;
  padding:13px 26px;border-radius:12px;transition:.25s;white-space:nowrap;
  min-height:46px;
}
.btn-primary{position:relative;background:var(--aurora);color:#07071a;box-shadow:0 10px 30px -10px rgba(139,92,246,.8)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px -10px rgba(236,72,153,.75)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--glass);color:var(--text);border:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--violet);transform:translateY(-2px);box-shadow:0 14px 34px -16px rgba(139,92,246,.7)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* navbar */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(8,8,22,.62);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  padding-top:env(safe-area-inset-top);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-logo img{height:38px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a:not(.btn){
  padding:9px 16px;border-radius:10px;color:var(--muted);font-weight:500;
  font-size:.96rem;transition:.2s;
}
.nav-links a:not(.btn):hover,.nav-links a:not(.btn).active{color:var(--text);background:var(--glass)}
.nav-links a:not(.btn).active{box-shadow:inset 0 -2px 0 0 var(--cyan)}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;background:none;border:0;color:var(--text);cursor:pointer;padding:10px;border-radius:10px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);margin:5px 0;transition:.3s;border-radius:2px}

/* hero */
.hero{position:relative;padding:clamp(60px,10vw,96px) 0 clamp(56px,8vw,80px);text-align:center}
.hero h1{font-size:clamp(2.2rem,6.4vw,4.4rem);margin:26px auto 22px;max-width:15ch}
.hero p{color:var(--muted);font-size:clamp(1.02rem,2.6vw,1.18rem);max-width:620px;margin:0 auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:clamp(26px,5vw,46px);justify-content:center;flex-wrap:wrap;margin-top:clamp(44px,7vw,66px)}
.hero-stats .stat strong{display:block;font-family:var(--font-display);font-size:clamp(1.7rem,4vw,2.2rem);background:var(--aurora);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .stat span{color:var(--muted);font-size:.9rem;letter-spacing:.04em}

/* glass card */
.card{
  --accent:var(--violet);
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(22px,3vw,30px);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:.3s;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(135deg,var(--accent),transparent 70%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.3s;pointer-events:none;
}
.card::after{
  content:"";position:absolute;top:-1px;left:0;right:0;height:3px;border-radius:inherit;
  background:var(--accent);opacity:.85;transform:scaleX(.0);transform-origin:left;transition:.35s;
}
.card:hover{transform:translateY(-6px);background:var(--bg-panel);border-color:var(--violet);border-color:color-mix(in srgb,var(--accent) 55%,transparent);box-shadow:0 26px 60px -28px rgba(0,0,0,.7);box-shadow:0 26px 60px -28px color-mix(in srgb,var(--accent) 75%,#000)}
.card:hover::before{opacity:1}
.card:hover::after{transform:scaleX(1)}
.card .ico{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  font-size:1.5rem;margin-bottom:18px;
  background:var(--aurora-soft);            /* fallback */
  background:color-mix(in srgb,var(--accent) 22%,transparent);
  border:1px solid var(--line);             /* fallback */
  border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);
  box-shadow:0 0 26px -6px color-mix(in srgb,var(--accent) 70%,transparent);
}
.card h3{font-size:1.25rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.97rem}

/* per-card accent cycling = colorful grids */
.grid .card:nth-child(6n+1){--accent:var(--cyan)}
.grid .card:nth-child(6n+2){--accent:var(--violet)}
.grid .card:nth-child(6n+3){--accent:var(--magenta)}
.grid .card:nth-child(6n+4){--accent:var(--blue)}
.grid .card:nth-child(6n+5){--accent:var(--emerald)}
.grid .card:nth-child(6n+6){--accent:var(--amber)}

.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* services list with price */
.svc-price{font-family:var(--font-display);font-size:1.7rem;font-weight:700;margin:14px 0 6px;
  background:linear-gradient(120deg,var(--accent),#fff 130%);-webkit-background-clip:text;background-clip:text;color:transparent}
.svc-price small{font-size:.85rem;color:var(--muted);font-weight:500;-webkit-text-fill-color:var(--muted)}
.svc-features{list-style:none;margin-top:16px;display:grid;gap:9px}
.svc-features li{display:flex;gap:10px;align-items:flex-start;font-size:.93rem;color:var(--muted)}
.svc-features li::before{content:"✓";color:var(--accent);font-weight:700}

/* apps */
.app-card{display:flex;flex-direction:column;gap:8px}
.app-card .app-top{display:flex;align-items:center;gap:16px}
.app-card .app-ico{
  width:60px;height:60px;border-radius:16px;display:grid;place-items:center;font-size:1.7rem;
  background:var(--aurora-soft);            /* fallback */
  background:color-mix(in srgb,var(--accent) 22%,transparent);
  border:1px solid var(--line);             /* fallback */
  border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);flex:none;
}
.app-card .app-thumb{width:60px;height:60px;border-radius:16px;object-fit:cover;border:1px solid var(--line);flex:none}
.app-card h3{font-size:1.2rem}
.app-card .app-url{color:var(--cyan);font-size:.85rem;word-break:break-all}
.app-card p{color:var(--muted);font-size:.95rem;margin:6px 0 16px}
.app-card .btn{margin-top:auto;align-self:flex-start}

/* contact */
.contact-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.contact-info .info-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}
.contact-info .info-row .ico{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:1.15rem;
  background:var(--aurora-soft);border:1px solid var(--line);flex:none;
}
.contact-info .info-row:nth-child(1) .ico{background:color-mix(in srgb,var(--cyan) 22%,transparent);border-color:color-mix(in srgb,var(--cyan) 45%,transparent)}
.contact-info .info-row:nth-child(2) .ico{background:color-mix(in srgb,var(--magenta) 22%,transparent);border-color:color-mix(in srgb,var(--magenta) 45%,transparent)}
.contact-info .info-row:nth-child(3) .ico{background:color-mix(in srgb,var(--emerald) 22%,transparent);border-color:color-mix(in srgb,var(--emerald) 45%,transparent)}
.contact-info .info-row b{display:block;font-family:var(--font-display);margin-bottom:2px}
.contact-info .info-row span{color:var(--muted);font-size:.95rem}
.form-grid{display:grid;gap:16px}
.field label{display:block;font-size:.86rem;color:var(--muted);margin-bottom:7px;font-weight:500}
.field input,.field textarea{
  width:100%;padding:13px 15px;border-radius:11px;border:1px solid var(--line);
  background:rgba(0,0,0,.28);color:var(--text);font-family:inherit;font-size:16px;transition:.2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px rgba(139,92,246,.22)}
.field textarea{resize:vertical;min-height:130px}
.alert{padding:14px 16px;border-radius:11px;margin-bottom:18px;font-size:.95rem}
.alert-ok{background:rgba(16,185,129,.14);border:1px solid rgba(16,185,129,.45);color:#a7f3d0}
.alert-err{background:rgba(236,72,153,.12);border:1px solid rgba(236,72,153,.4);color:#fbcfe8}

/* cta band */
.cta-band{
  margin:clamp(60px,9vw,84px) auto;max-width:var(--maxw);border-radius:26px;
  padding:clamp(40px,6vw,56px) clamp(24px,5vw,40px);text-align:center;
  background:var(--aurora-soft);border:1px solid var(--line);position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:0;opacity:.5;
  background:conic-gradient(from 0deg at 50% 50%,rgba(34,211,238,.25),rgba(139,92,246,.25),rgba(236,72,153,.25),rgba(245,158,11,.2),rgba(34,211,238,.25));
  animation:float1 24s linear infinite;
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:14px}
.cta-band p{color:var(--muted);max-width:520px;margin:0 auto 26px}

/* footer */
.footer{border-top:1px solid var(--line);margin-top:30px;padding:54px 0 30px;background:rgba(8,8,22,.55);
  padding-bottom:max(30px,env(safe-area-inset-bottom))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-grid img{height:36px;margin-bottom:16px}
.footer-grid p{color:var(--muted);font-size:.93rem;max-width:30ch}
.footer h4{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text);margin-bottom:16px}
.footer ul{list-style:none;display:grid;gap:10px}
.footer ul a{color:var(--muted);font-size:.93rem;transition:.2s}
.footer ul a:hover{color:var(--cyan)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:.88rem}
.founder-badge{display:inline-flex;align-items:center;gap:8px}
.founder-badge .av{width:26px;height:26px;border-radius:50%;background:var(--aurora);display:grid;place-items:center;font-size:.7rem;color:#07071a;font-weight:700}

/* reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:1100px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:960px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-wrap{grid-template-columns:1fr}
}
@media(max-width:760px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(8,8,22,.98);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    padding:14px 22px calc(22px + env(safe-area-inset-bottom));gap:4px;
    border-bottom:1px solid var(--line);transform:translateY(-140%);transition:.35s;z-index:40;
    box-shadow:0 24px 50px -20px rgba(0,0,0,.8);
  }
  .nav-links.open{transform:none}
  .nav-links a:not(.btn){padding:13px 14px}
  .nav-cta{margin:8px 0 0}
  .nav-toggle{display:block}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:430px){
  .hero{padding-top:46px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .btn{width:100%}
  .hero-cta{flex-direction:column}
  .hero-cta .btn,.cta-band .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .gradient-text{animation:none}
}