:root{
  --bg:#070b16;--bg-2:#0b1120;--panel:#0f1729;--panel-2:#131d33;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.14);
  --text:#e8edf7;--muted:#93a1bd;--muted-2:#647089;
  --blue:#2f5fd8;--blue-bright:#4a86ff;--cyan:#2fd6e6;--green-bright:#5ad06a;
  --grad:linear-gradient(120deg,#2f5fd8 0%,#26b3c9 55%,#3fb84f 100%);
  --grad-soft:linear-gradient(120deg,rgba(47,95,216,.16),rgba(63,184,79,.16));
  --radius:18px;--maxw:820px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,.brand-name{font-family:'Space Grotesk',sans-serif;letter-spacing:-.02em;line-height:1.15}
a{color:inherit;text-decoration:none}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.glow{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.glow::before,.glow::after{content:"";position:absolute;border-radius:50%;filter:blur(120px);opacity:.45}
.glow::before{width:560px;height:560px;background:radial-gradient(circle,#1e46b0,transparent 65%);top:-240px;left:-160px}
.glow::after{width:520px;height:520px;background:radial-gradient(circle,#1a7a3a,transparent 65%);top:420px;right:-200px}
.grid-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent 75%);opacity:.5}

header{position:sticky;top:0;z-index:100;backdrop-filter:blur(14px);background:rgba(7,11,22,.72);border-bottom:1px solid var(--line)}
.nav{max-width:1120px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:34px;width:auto;display:block}
.brand-name{font-size:1.22rem;font-weight:700}
.lang{display:flex;border:1px solid var(--line-strong);border-radius:999px;overflow:hidden;font-size:.78rem;font-weight:600}
.lang button{background:none;border:none;color:var(--muted);padding:6px 10px;cursor:pointer;transition:.2s;font-family:inherit}
.lang button.active{background:var(--grad);color:#fff}

.article{max-width:var(--maxw);margin:0 auto;padding:56px 24px 40px}
.back{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:.9rem;font-weight:500;margin-bottom:28px;transition:color .2s}
.back:hover{color:var(--text)}
.back svg{width:16px;height:16px}
.eyebrow{font-size:.76rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);display:block;margin-bottom:14px}
.article h1{font-size:clamp(1.9rem,4.4vw,2.8rem);font-weight:700;margin-bottom:18px}
.meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted-2);font-size:.86rem;margin-bottom:34px;padding-bottom:28px;border-bottom:1px solid var(--line)}
.article h2{font-size:1.5rem;font-weight:700;margin:38px 0 14px}
.article h3{font-size:1.18rem;font-weight:600;margin:28px 0 10px}
.article p{color:var(--muted);font-size:1.06rem;margin-bottom:18px}
.article ul{list-style:none;margin:0 0 22px;display:flex;flex-direction:column;gap:11px}
.article li{position:relative;padding-left:26px;color:var(--muted);font-size:1.04rem}
.article li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--grad)}
.article strong{color:var(--text);font-weight:600}
.callout{background:linear-gradient(160deg,var(--panel),var(--bg-2));border:1px solid var(--line-strong);border-radius:var(--radius);padding:24px 26px;margin:30px 0}
.callout p{margin:0;color:var(--text)}

.article-cta{max-width:var(--maxw);margin:20px auto 80px;padding:0 24px}
.cta-band{position:relative;border-radius:22px;overflow:hidden;padding:44px 36px;text-align:center;background:linear-gradient(150deg,var(--panel-2),var(--bg-2));border:1px solid var(--line-strong)}
.cta-band::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:.6}
.cta-band>*{position:relative}
.cta-band h2{font-size:1.6rem;font-weight:700;margin:0 0 12px}
.cta-band p{color:var(--muted);margin:0 auto 22px;max-width:480px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.94rem;padding:12px 24px;border-radius:999px;cursor:pointer;border:1px solid transparent;font-family:inherit;background:var(--grad);color:#fff;box-shadow:0 8px 30px -8px rgba(47,95,216,.7);transition:transform .15s}
.btn:hover{transform:translateY(-2px)}

footer{border-top:1px solid var(--line);padding:30px 24px;text-align:center;color:var(--muted-2);font-size:.85rem}

/* multi-language */
[data-en],[data-pt],[data-de]{display:none}
html[lang="en"] [data-es]{display:none}
html[lang="en"] [data-en]{display:revert}
html[lang="pt"] [data-es]{display:none}
html[lang="pt"] [data-pt]{display:revert}
html[lang="de"] [data-es]{display:none}
html[lang="de"] [data-de]{display:revert}

@media(max-width:600px){.article{padding:40px 20px 30px}}