:root{
  --mist:#eef6fc;
  --foam:#f7fbfe;
  --ink:#12263f;
  --mute:#5a6d82;
  --line:#c9dced;
  --azure:#2f6fed;
  --cyan:#3bb8e8;
  --deep:#0f2744;
  --layer:#d9ecf8;
  --font:"Trebuchet MS","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"Cascadia Mono","Consolas","Sarasa Mono SC",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);font-family:var(--font);line-height:1.65;
  background:
    radial-gradient(ellipse 70% 40% at 80% -10%,rgba(59,184,232,.18),transparent 55%),
    radial-gradient(ellipse 50% 35% at 0% 10%,rgba(47,111,237,.1),transparent 50%),
    linear-gradient(180deg,#f4f9fd 0%,var(--mist) 45%,#e7f2fa 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1120px,92%);margin:0 auto}

.wave-top{
  position:sticky;top:0;z-index:40;
  background:rgba(247,251,254,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.wave-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 0}
.brand{display:flex;align-items:center;gap:.7rem}
.brand-orb{
  width:2.15rem;height:2.15rem;border-radius:50%;
  display:grid;place-items:center;color:#fff;font-weight:700;
  background:linear-gradient(145deg,var(--cyan),var(--azure));
  box-shadow:0 6px 16px rgba(47,111,237,.25);
}
.brand b{display:block;font-size:1.05rem;letter-spacing:.03em}
.brand small{display:block;font-family:var(--mono);font-size:.62rem;color:var(--mute);letter-spacing:.14em}
.nav{display:flex;flex-wrap:wrap;gap:.35rem .95rem;color:var(--mute);font-size:.92rem}
.nav a:hover,.nav a.on{color:var(--azure)}
.nav-cta{
  padding:.45rem 1rem;border-radius:999px;color:#fff;
  background:linear-gradient(135deg,var(--azure),var(--cyan));
  white-space:nowrap;font-size:.9rem;
}

.wave-divider{display:block;width:100%;height:64px;margin:0;line-height:0}
.wave-divider svg{width:100%;height:64px;display:block}
.wave-path{animation:waveShift 8s ease-in-out infinite alternate}
.wave-path-2{animation:waveShift 11s ease-in-out infinite alternate-reverse}
@keyframes waveShift{
  from{transform:translateX(0)}
  to{transform:translateX(-3%)}
}
@media (prefers-reduced-motion:reduce){
  .wave-path,.wave-path-2{animation:none}
}

/* Hero — cloud base deck */
.hero-cloud{
  position:relative;padding:2.8rem 0 1.5rem;overflow:hidden;
}
.hero-cloud .hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:2rem;align-items:center;
}
.pill{
  display:inline-flex;align-items:center;gap:.4rem;margin:0 0 .8rem;
  padding:.28rem .7rem;border-radius:999px;background:var(--layer);
  color:var(--azure);font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;
}
.hero-cloud h1{
  margin:0 0 .75rem;font-size:clamp(1.9rem,4vw,2.85rem);
  line-height:1.18;font-weight:700;color:var(--deep);letter-spacing:.01em;
}
.lead{margin:0 0 1.25rem;color:var(--mute);max-width:34rem;font-size:1.02rem}
.actions{display:flex;flex-wrap:wrap;gap:.65rem;margin-bottom:1rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:9.4rem;padding:.74rem 1.2rem;border-radius:999px;
  font-size:.94rem;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;
}
.btn-fill{background:linear-gradient(135deg,var(--azure),#3b9ae8);color:#fff;border-color:transparent}
.btn-line{background:var(--foam);color:var(--ink);border-color:var(--line)}
.btn:hover{filter:brightness(1.04)}
.req{
  display:grid;grid-template-columns:1fr 1fr;gap:.5rem;
  padding:.8rem;border-radius:14px;background:rgba(255,255,255,.72);
  border:1px solid var(--line);
}
.req p{margin:0;font-size:.84rem;color:var(--mute)}
.req b{color:var(--ink)}
.base-tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1rem}
.base-tags i{
  font-style:normal;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;
  padding:.28rem .55rem;border-radius:8px;background:#fff;border:1px solid var(--line);color:var(--mute);
}
.hero-media{align-self:center}
.media-bubble{
  align-self:center;margin:0;padding:0;overflow:visible;
  border-radius:22px;border:1px solid var(--line);background:#fff;
  box-shadow:0 20px 50px rgba(18,38,63,.1);
}
.hero-media img{
  display:block;width:100%;height:auto;object-fit:contain;object-position:center;
  margin:0;padding:0;min-height:0;max-height:none;clip-path:none;transform:none;
  border-radius:22px;
}

.sec{padding:2.8rem 0}
.sec-alt{background:linear-gradient(180deg,rgba(217,236,248,.45),transparent)}
.sec-h{margin-bottom:1.4rem;max-width:40rem}
.sec-h .k{margin:0 0 .35rem;font-family:var(--mono);font-size:.72rem;color:var(--azure);letter-spacing:.12em}
.sec-h h2{margin:0 0 .45rem;font-size:clamp(1.4rem,2.5vw,1.9rem);color:var(--deep)}
.sec-h p{margin:0;color:var(--mute)}

/* Cloud node download cards */
.node-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem}
.node{
  display:flex;flex-direction:column;padding:1.1rem 1rem;
  background:var(--foam);border:1px solid var(--line);border-radius:18px;
  box-shadow:0 8px 24px rgba(18,38,63,.04);
  position:relative;overflow:hidden;
}
.node::before{
  content:"";position:absolute;left:-20%;right:-20%;bottom:-18px;height:42px;
  background:radial-gradient(ellipse at center,rgba(59,184,232,.22),transparent 70%);
  pointer-events:none;
}
.node .os{margin:0 0 .45rem;font-weight:700;font-size:1.05rem;position:relative}
.node .meta{margin:0 0 .18rem;font-size:.86rem;color:var(--mute);position:relative}
.node .meta b{color:var(--ink);font-family:var(--mono);font-weight:600}
.node .btn{margin-top:auto;width:100%;margin-top:1rem;position:relative}

/* Capability mesh */
.mesh{display:grid;grid-template-columns:repeat(5,1fr);gap:.75rem}
.mesh article{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.05rem .9rem;
}
.mesh .ic{
  width:2.2rem;height:2.2rem;border-radius:12px;margin-bottom:.65rem;
  display:grid;place-items:center;color:#fff;font-family:var(--mono);font-size:.72rem;font-weight:700;
  background:linear-gradient(145deg,var(--cyan),var(--azure));
}
.mesh h3{margin:0 0 .35rem;font-size:.98rem}
.mesh p{margin:0;font-size:.86rem;color:var(--mute)}

/* Tech base stack + shots */
.stack-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:1.3rem;align-items:start}
.stack-copy{
  background:var(--deep);color:#d7e6f5;border-radius:20px;padding:1.4rem 1.3rem;
  box-shadow:0 18px 40px rgba(15,39,68,.25);
}
.stack-copy .k{color:var(--cyan)}
.stack-copy h2{margin:0 0 .7rem;color:#fff;font-size:1.45rem}
.stack-copy p{margin:0 0 .8rem;color:#9db4cb}
.layers{display:grid;gap:.45rem;margin-top:1rem}
.layers div{
  display:flex;justify-content:space-between;align-items:center;gap:.5rem;
  padding:.55rem .7rem;border-radius:10px;background:rgba(255,255,255,.06);
  border:1px solid rgba(59,184,232,.2);font-size:.86rem;
}
.layers code{font-family:var(--mono);font-size:.7rem;color:var(--cyan)}
.shots{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.shots figure{margin:0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#fff}
.shots img{width:100%;height:auto;object-fit:contain;object-position:center}

.trust{
  text-align:center;padding:2.2rem 0;position:relative;
}
.trust strong{
  display:block;font-size:clamp(1.75rem,3.4vw,2.5rem);color:var(--azure);
  margin-bottom:.25rem;
}
.trust .sub{color:var(--mute);margin-bottom:1.1rem}
.brands{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem}
.brands span{
  padding:.48rem .95rem;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:.88rem;
}

.split{display:grid;grid-template-columns:1.1fr .9fr;gap:1rem}
.panel{
  background:var(--foam);border:1px solid var(--line);border-radius:18px;padding:1.2rem 1.15rem;
}
.panel h2{margin:0 0 .9rem;font-size:1.2rem;color:var(--deep)}
.news{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.news li{padding-bottom:.7rem;border-bottom:1px dashed var(--line)}
.news time{display:block;font-family:var(--mono);font-size:.72rem;color:var(--azure);margin-bottom:.2rem}
.news a{font-weight:700}.news a:hover{color:var(--azure)}
.news p{margin:.25rem 0 0;font-size:.86rem;color:var(--mute)}
.faq details{border-bottom:1px solid var(--line);padding:.55rem 0}
.faq summary{cursor:pointer;font-weight:700;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+ ";color:var(--azure)}
.faq details[open] summary::before{content:"− "}
.faq p{margin:.4rem 0 0;color:var(--mute);font-size:.9rem}
.thumbs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.55rem;margin-top:1rem}
.thumbs figure{margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.thumbs img{width:100%;height:auto;object-fit:contain}

.cta-wave{
  position:relative;padding:3rem 0 3.4rem;color:#fff;
  background:linear-gradient(160deg,var(--deep) 0%,#163a63 55%,#1a4a6e 100%);
  overflow:hidden;
}
.cta-wave .cta-box{position:relative;z-index:1;text-align:center;max-width:42rem;margin:0 auto}
.cta-wave h2{margin:0 0 .6rem;font-size:clamp(1.4rem,2.7vw,1.95rem)}
.cta-wave > .wrap > .cta-box > p{margin:0 0 1.15rem;color:#9db4cb}
.gains{list-style:none;margin:1.1rem 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem}
.gains li{
  padding:.35rem .7rem;border-radius:999px;border:1px solid rgba(59,184,232,.3);
  font-size:.84rem;color:#b8cee0;
}
.cta-wave .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}

.foot{padding:1.3rem 0 1.7rem;color:var(--mute);font-size:.86rem}
.foot-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.7rem;align-items:center}
.foot-links{display:flex;gap:1rem}
.foot-links a:hover{color:var(--azure)}

@media (max-width:960px){
  .hero-cloud .hero-grid,.stack-grid,.split,.node-grid{grid-template-columns:1fr 1fr}
  .mesh{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .hero-cloud .hero-grid,.stack-grid,.split,.node-grid,.mesh,.shots,.thumbs,.req{grid-template-columns:1fr}
  .nav{display:none}
  .actions .btn{flex:1 1 100%}
}

.hero-cloud .hero-grid{align-items:center}
.hero-cloud .hero-media{align-self:center;margin:0;padding:0}
.hero-cloud .media-bubble{align-self:center;margin:0;padding:0;overflow:visible}
.hero-cloud .hero-media img{
  display:block;width:100%;height:auto;object-fit:contain;object-position:center;
  margin:0;padding:0;min-height:0;max-height:none;clip-path:none;transform:none;
}