/* EchoForge — Quantum Observatory Aesthetic */
:root{
  --obsidian:#05070b;
  --obsidian-2:#080b12;
  --panel:rgba(18,24,34,0.55);
  --panel-border:rgba(127,227,255,0.14);
  --ink:#e8eef6;
  --ink-soft:#9aa9bd;
  --ink-faint:#5e6c80;
  --cyan:#7fe3ff;
  --violet:#a78bfa;
  --line:rgba(127,227,255,0.08);
  --accent-grad:linear-gradient(120deg,#7fe3ff,#a78bfa);
  --radius:16px;
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Space Grotesk",-apple-system,system-ui,sans-serif;
  background:var(--obsidian);
  color:var(--ink);
  line-height:1.65;
  overflow-x:hidden;
  position:relative;
}
/* particle constellation backdrop */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1px 1px at 20% 30%, rgba(127,227,255,.6), transparent),
    radial-gradient(1px 1px at 70% 60%, rgba(167,139,250,.5), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(127,227,255,.4), transparent),
    radial-gradient(1.5px 1.5px at 85% 20%, rgba(167,139,250,.5), transparent),
    radial-gradient(1px 1px at 10% 70%, rgba(127,227,255,.4), transparent),
    radial-gradient(1px 1px at 55% 15%, rgba(167,139,250,.4), transparent),
    radial-gradient(1px 1px at 90% 85%, rgba(127,227,255,.5), transparent);
  background-repeat:no-repeat;
  animation:drift 24s ease-in-out infinite alternate;
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;
  background:
    linear-gradient(rgba(127,227,255,.025) 1px, transparent 1px) 0 0/100% 70px,
    linear-gradient(90deg, rgba(127,227,255,.025) 1px, transparent 1px) 0 0/70px 100%,
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(167,139,250,.10), transparent 60%);
  pointer-events:none;
}
@keyframes drift{from{transform:translateY(0)}to{transform:translateY(-18px)}}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* nav */
header.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(5,7,11,.72);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 24px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-weight:600;letter-spacing:.5px}
.brand svg{width:30px;height:30px}
.brand .bt{display:flex;flex-direction:column;line-height:1.1}
.brand b{font-size:1.12rem;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand span{font-size:.6rem;color:var(--ink-faint);letter-spacing:3px;display:block;text-transform:uppercase}
nav.links{display:flex;gap:6px;flex-wrap:wrap}
nav.links a{
  color:var(--ink-soft);text-decoration:none;font-size:.84rem;padding:8px 13px;border-radius:9px;
  transition:.25s;letter-spacing:.3px;position:relative;
}
nav.links a:hover,nav.links a.active{color:var(--cyan);background:rgba(127,227,255,.07)}
.burger{display:none;background:none;border:1px solid var(--panel-border);border-radius:9px;padding:8px 11px;color:var(--cyan);cursor:pointer;font-size:1.1rem}

/* hero */
.hero{padding:90px 0 70px;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:.7rem;letter-spacing:3px;text-transform:uppercase;
  color:var(--cyan);border:1px solid var(--panel-border);padding:7px 15px;border-radius:40px;background:rgba(127,227,255,.04);margin-bottom:26px
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
h1{font-size:clamp(2.3rem,5.5vw,4rem);line-height:1.05;letter-spacing:-1.5px;font-weight:600;max-width:16ch}
h1 em{font-style:normal;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--ink-soft);font-size:1.12rem;max-width:54ch;margin-top:22px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;gap:9px;text-decoration:none;font-size:.92rem;font-weight:500;
  padding:13px 26px;border-radius:11px;cursor:pointer;border:none;transition:.28s;letter-spacing:.3px
}
.btn-primary{background:var(--accent-grad);color:#05070b;font-weight:600}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(127,227,255,.25)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--panel-border)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}

/* sections */
section{padding:64px 0}
.sec-head{max-width:60ch;margin-bottom:44px}
.tag{font-size:.7rem;letter-spacing:3px;text-transform:uppercase;color:var(--violet);display:block;margin-bottom:14px}
h2{font-size:clamp(1.7rem,3.5vw,2.6rem);letter-spacing:-1px;font-weight:600;line-height:1.12}
h3{font-size:1.2rem;font-weight:600;letter-spacing:-.3px;margin-bottom:10px}
p.muted{color:var(--ink-soft)}

/* panels grid */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.panel{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);
  padding:28px;backdrop-filter:blur(8px);transition:.32s;position:relative;overflow:hidden
}
.panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:0;transition:.32s
}
.panel:hover{transform:translateY(-5px);border-color:rgba(127,227,255,.32)}
.panel:hover::before{opacity:.7}
.panel .ico{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(127,227,255,.08);border:1px solid var(--panel-border);font-size:1.3rem
}
.panel .num{font-size:.75rem;letter-spacing:2px;color:var(--violet);margin-bottom:12px;display:block}
.panel p{color:var(--ink-soft);font-size:.95rem}

/* media */
.media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--panel-border);position:relative}
.media img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.9) contrast(1.05)}
.media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(5,7,11,.55));pointer-events:none}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split .media{aspect-ratio:4/3}

/* coordinates deco */
.coords{position:absolute;font-size:.62rem;letter-spacing:2px;color:var(--ink-faint);font-family:"Space Grotesk",monospace}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.stat b{font-size:2.4rem;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;letter-spacing:-1px}
.stat span{color:var(--ink-faint);font-size:.82rem;letter-spacing:1px}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);padding:34px 30px;
  display:flex;flex-direction:column;position:relative;transition:.3s
}
.price:hover{transform:translateY(-6px);border-color:rgba(127,227,255,.3)}
.price.feat{border-color:var(--violet);background:linear-gradient(180deg,rgba(167,139,250,.08),var(--panel))}
.price.feat::before{content:"PIÙ SCELTO";position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--accent-grad);color:#05070b;font-size:.62rem;font-weight:700;letter-spacing:2px;padding:5px 14px;border-radius:30px}
.price h3{font-size:1.05rem;color:var(--cyan);letter-spacing:1px;text-transform:uppercase}
.price .amt{font-size:2.6rem;font-weight:600;letter-spacing:-1px;margin:14px 0 4px}
.price .amt small{font-size:.95rem;color:var(--ink-faint);font-weight:400}
.price ul{list-style:none;margin:22px 0;display:flex;flex-direction:column;gap:11px}
.price li{color:var(--ink-soft);font-size:.9rem;padding-left:24px;position:relative}
.price li::before{content:"◇";position:absolute;left:0;color:var(--cyan)}
.price .btn{margin-top:auto;justify-content:center}

/* forms */
form.box{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);padding:34px;backdrop-filter:blur(8px)}
.field{margin-bottom:18px;display:flex;flex-direction:column;gap:7px}
.field label{font-size:.8rem;color:var(--ink-soft);letter-spacing:.5px}
.field input,.field select,.field textarea{
  background:rgba(5,7,11,.6);border:1px solid var(--panel-border);border-radius:10px;padding:12px 14px;
  color:var(--ink);font-family:inherit;font-size:.92rem;transition:.25s
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(127,227,255,.12)}
.field textarea{resize:vertical;min-height:120px}
.form-note{font-size:.78rem;color:var(--ink-faint);margin-top:8px}
.form-ok{display:none;background:rgba(127,227,255,.1);border:1px solid var(--panel-border);border-radius:10px;padding:14px;color:var(--cyan);font-size:.9rem;margin-top:16px}

/* lists / legal */
.prose{max-width:78ch}
.prose h2{margin:38px 0 14px}
.prose h3{margin:26px 0 8px;color:var(--cyan)}
.prose p,.prose li{color:var(--ink-soft);margin-bottom:12px}
.prose ul{margin:0 0 16px 22px}
.prose li{margin-bottom:8px}
.prose strong{color:var(--ink)}
.updated{font-size:.78rem;color:var(--ink-faint);letter-spacing:1px;margin-bottom:30px}

/* contact info cards */
.info-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.info-cards .panel{padding:24px}
.info-cards a{color:var(--cyan);text-decoration:none}
.info-cards a:hover{text-decoration:underline}

/* faq */
.faq{border:1px solid var(--panel-border);border-radius:12px;margin-bottom:12px;overflow:hidden;background:var(--panel)}
.faq summary{padding:18px 22px;cursor:pointer;font-weight:500;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--cyan);font-size:1.3rem}
.faq[open] summary::after{content:"–"}
.faq p{padding:0 22px 20px;color:var(--ink-soft);font-size:.93rem}

/* timeline */
.tl{position:relative;padding-left:34px}
.tl::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:1px;background:linear-gradient(var(--cyan),var(--violet))}
.tl-item{position:relative;margin-bottom:30px}
.tl-item::before{content:"";position:absolute;left:-30px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--obsidian);border:2px solid var(--cyan);box-shadow:0 0 12px var(--cyan)}
.tl-item h3{margin-bottom:6px}
.tl-item span{font-size:.72rem;letter-spacing:2px;color:var(--violet)}

/* cta band */
.band{background:linear-gradient(120deg,rgba(127,227,255,.07),rgba(167,139,250,.07));border:1px solid var(--panel-border);border-radius:24px;padding:54px;text-align:center;position:relative;overflow:hidden}
.band h2{margin-bottom:14px}
.band p{color:var(--ink-soft);max-width:50ch;margin:0 auto 26px}

/* footer */
footer{border-top:1px solid var(--line);margin-top:40px;padding:54px 0 30px;background:rgba(5,7,11,.5)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;margin-bottom:38px}
footer h4{font-size:.74rem;letter-spacing:2px;text-transform:uppercase;color:var(--ink-faint);margin-bottom:16px}
footer a{color:var(--ink-soft);text-decoration:none;display:block;font-size:.88rem;margin-bottom:9px;transition:.2s}
footer a:hover{color:var(--cyan)}
.foot-brand p{color:var(--ink-faint);font-size:.86rem;margin-top:14px;max-width:34ch}
.foot-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:.8rem;color:var(--ink-faint)}

/* cookie banner */
.cookie{
  position:fixed;left:24px;right:24px;bottom:24px;z-index:100;max-width:560px;margin:0 auto;
  background:rgba(8,11,18,.96);border:1px solid var(--panel-border);border-radius:16px;padding:22px 24px;
  backdrop-filter:blur(14px);box-shadow:0 20px 60px rgba(0,0,0,.5);display:none
}
.cookie.show{display:block;animation:rise .5s ease}
@keyframes rise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.cookie p{font-size:.86rem;color:var(--ink-soft);margin-bottom:16px}
.cookie p a{color:var(--cyan)}
.cookie-btns{display:flex;gap:10px;flex-wrap:wrap}
.cookie .btn{padding:10px 20px;font-size:.84rem}

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

/* responsive */
@media(max-width:900px){
  .g3,.g4,.price-grid,.info-cards{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  nav.links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:rgba(5,7,11,.97);padding:16px;border-bottom:1px solid var(--line)}
  nav.links.open{display:flex}
  .burger{display:block}
  .g3,.g4,.g2,.price-grid,.info-cards,.stats,.foot-grid{grid-template-columns:1fr}
  .band{padding:34px 22px}
  section{padding:46px 0}
}