/* ============================================================
 * Signalogia Website — Dark Theme, Animations, Responsive
 * ============================================================ */
:root{
  --bg:#070710; --bg-2:#0c0c18; --bg-3:#11111f;
  --card:#13131f; --card-2:#181826; --border:rgba(255,255,255,.08);
  --txt:#eef0f6; --txt-2:#a9adc0; --txt-3:#6f7390;
  --indigo:#6366f1; --violet:#8b5cf6; --cyan:#06b6d4; --green:#22c55e; --red:#ef4444;
  --grad:linear-gradient(135deg,#6366f1,#8b5cf6 50%,#06b6d4);
  --grad-soft:linear-gradient(135deg,rgba(99,102,241,.18),rgba(6,182,212,.12));
  --radius:18px; --radius-sm:12px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.7);
  --max:1180px; --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--txt);
  line-height:1.6;overflow-x:hidden;font-size:16px;
  background-image:radial-gradient(900px 500px at 80% -10%,rgba(99,102,241,.12),transparent),radial-gradient(700px 500px at 0% 20%,rgba(6,182,212,.08),transparent);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.narrow{max-width:820px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--indigo);color:#fff;padding:10px 16px;z-index:999;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(16px);background:rgba(7,7,16,.72);border-bottom:1px solid var(--border);transition:.3s var(--ease)}
.site-header.scrolled{background:rgba(7,7,16,.92);box-shadow:0 10px 30px -15px rgba(0,0,0,.6)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.22rem}
.brand-mark{width:34px;height:34px;display:block}
.brand-mark svg{width:100%;height:100%}
.brand-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.5px}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:9px 14px;border-radius:10px;color:var(--txt-2);font-weight:500;font-size:.95rem;transition:.2s}
.main-nav a:hover{color:var(--txt);background:rgba(255,255,255,.05)}
.main-nav a.active{color:var(--txt)}
.nav-cta{background:var(--grad);color:#fff!important;font-weight:700!important;box-shadow:0 8px 24px -10px var(--indigo)}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-1px)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:12px;font-weight:700;font-size:.98rem;cursor:pointer;border:1px solid transparent;transition:.25s var(--ease);white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 36px -12px rgba(99,102,241,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px -12px rgba(99,102,241,.8);filter:brightness(1.06)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--txt);border-color:var(--border)}
.btn-ghost:hover{background:rgba(255,255,255,.09);transform:translateY(-2px)}
.btn-lg{padding:16px 32px;font-size:1.05rem}
.btn-block{width:100%}
.btn-telegram{background:#229ed9;color:#fff}
.btn-telegram:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-whatsapp{background:#25d366;color:#0a2e16}
.btn-whatsapp:hover{filter:brightness(1.05);transform:translateY(-2px)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:80px 0 60px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;animation:float 14s ease-in-out infinite}
.orb-1{width:420px;height:420px;background:var(--indigo);top:-120px;left:-80px}
.orb-2{width:360px;height:360px;background:var(--cyan);bottom:-120px;right:-60px;animation-delay:-5s}
.orb-3{width:300px;height:300px;background:var(--violet);top:40%;left:50%;animation-delay:-9s}
.grid-overlay{position:absolute;inset:0;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:46px 46px;mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000,transparent)}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(26px,-30px)}}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.badge-pill{display:inline-block;padding:7px 15px;border-radius:999px;background:var(--grad-soft);border:1px solid var(--border);font-size:.82rem;font-weight:600;color:var(--txt);margin-bottom:20px}
.hero h1{font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.08;font-weight:900;letter-spacing:-1.5px;margin-bottom:18px}
.hero-sub{font-size:1.12rem;color:var(--txt-2);max-width:560px;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-trust{display:flex;gap:20px;flex-wrap:wrap;color:var(--txt-3);font-size:.86rem;font-weight:600}
.hero-trust span:first-child{color:#fbbf24}
.hero-visual{display:flex;justify-content:center;position:relative}
.visual-card{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);max-width:420px}
.visual-card img{border-radius:24px}
.visual-card .glow{position:absolute;inset:-2px;border-radius:24px;background:var(--grad);z-index:-1;filter:blur(26px);opacity:.5}
.floaty{animation:floaty 6s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

/* ---------- Markets strip ---------- */
.markets{padding:34px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:rgba(255,255,255,.015)}
.markets-label{text-align:center;color:var(--txt-3);font-size:.82rem;text-transform:uppercase;letter-spacing:2px;margin-bottom:16px}
.markets-row{display:flex;justify-content:center;gap:14px 38px;flex-wrap:wrap;font-weight:700;font-size:1.05rem;color:var(--txt-2)}
.markets-row span{opacity:.85;transition:.2s}
.markets-row span:hover{color:var(--txt);opacity:1}

/* ---------- Sections ---------- */
.section{padding:84px 0}
.section-alt{background:var(--bg-2)}
.section-head-c{text-align:center;max-width:680px;margin:0 auto 52px}
.eyebrow{display:inline-block;color:var(--cyan);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:2px;margin-bottom:12px}
.section-head-c h2,.prose-block h2,.legal h1{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:850;letter-spacing:-1px;margin-bottom:14px}
.section-head-c p{color:var(--txt-2);font-size:1.05rem}

/* ---------- Features ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;transition:.3s var(--ease)}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(99,102,241,.4);box-shadow:0 24px 50px -24px rgba(99,102,241,.4)}
.feature-ico{width:54px;height:54px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;border-radius:14px;background:var(--grad-soft);border:1px solid var(--border);margin-bottom:18px}
.feature-card h3{font-size:1.2rem;margin-bottom:9px}
.feature-card p{color:var(--txt-2);font-size:.96rem}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 26px;position:relative;overflow:hidden}
.step-num{font-family:'JetBrains Mono',monospace;font-size:2.4rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:12px}
.step h3{font-size:1.22rem;margin-bottom:9px}
.step p{color:var(--txt-2);font-size:.96rem}
.center-cta{text-align:center;margin-top:44px}

/* ---------- Stats ---------- */
.stats-section{background:var(--bg-2)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat{padding:18px}
.stat-num,.stat-plus{font-size:clamp(2.2rem,5vw,3.2rem);font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-family:'JetBrains Mono',monospace}
.stat p{color:var(--txt-2);margin-top:6px;font-weight:600}

/* ---------- Prose / SEO blocks ---------- */
.prose-block h2{margin-top:8px}
.prose-block h3{font-size:1.3rem;margin:30px 0 10px;font-weight:750}
.prose-block p{color:var(--txt-2);margin-bottom:16px;font-size:1.04rem}

/* ---------- CTA band ---------- */
.cta-band{background:var(--grad-soft)}
.cta-inner{text-align:center;max-width:680px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:26px;padding:52px 30px;box-shadow:var(--shadow)}
.cta-inner h2{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:850;margin-bottom:12px}
.cta-inner p{color:var(--txt-2);margin-bottom:26px;font-size:1.06rem}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{position:relative;text-align:center;padding:74px 0 50px;overflow:hidden}
.page-hero.short{padding:56px 0 30px}
.page-hero h1{font-size:clamp(2rem,4.6vw,3.2rem);font-weight:900;letter-spacing:-1.2px;margin-bottom:14px}
.page-sub{color:var(--txt-2);font-size:1.1rem;max-width:600px;margin:0 auto}
.region-note{margin-top:18px;color:var(--txt-3);font-size:.92rem}
.region-note a{color:var(--cyan);font-weight:600}

/* ---------- Pricing ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
.price-card{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;display:flex;flex-direction:column;transition:.3s var(--ease)}
.price-card:hover{transform:translateY(-6px);border-color:rgba(99,102,241,.4)}
.price-card.featured{border-color:rgba(99,102,241,.6);background:linear-gradient(180deg,rgba(99,102,241,.1),var(--card));box-shadow:0 26px 60px -26px rgba(99,102,241,.6);transform:scale(1.02)}
.price-card.featured:hover{transform:scale(1.02) translateY(-6px)}
.price-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:.74rem;font-weight:700;padding:6px 14px;border-radius:999px;white-space:nowrap}
.price-name{font-size:1.32rem;font-weight:800;margin-bottom:4px}
.price-sub{color:var(--txt-3);font-size:.88rem;margin-bottom:18px}
.price-amount{display:flex;align-items:baseline;gap:2px;margin-bottom:6px}
.price-amount .cur{font-size:1.4rem;font-weight:700;color:var(--txt-2)}
.price-amount .amt{font-size:2.7rem;font-weight:900;letter-spacing:-1.5px}
.price-credits{color:var(--txt-2);margin-bottom:22px;font-size:.96rem}
.price-credits strong{color:var(--txt)}
.price-features{list-style:none;margin-bottom:24px;flex:1}
.price-features li{display:flex;align-items:flex-start;gap:9px;color:var(--txt-2);font-size:.92rem;margin-bottom:11px}
.price-features svg{width:18px;height:18px;flex-shrink:0;color:var(--green);margin-top:2px}
.pricing-note{text-align:center;max-width:640px;margin:36px auto 0;color:var(--txt-3);font-size:.92rem}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;background:none;border:0;color:var(--txt);padding:18px 22px;font-size:1.02rem;font-weight:600;cursor:pointer;text-align:left}
.faq-icon{font-size:1.4rem;color:var(--cyan);transition:.3s;flex-shrink:0}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 22px 18px;color:var(--txt-2)}

/* ---------- Download guide ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.guide-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 14px 26px;transition:.3s var(--ease)}
.guide-card:hover{transform:translateY(-6px);border-color:rgba(99,102,241,.4)}
.guide-img{border-radius:14px;overflow:hidden;margin-bottom:18px;border:1px solid var(--border)}
.guide-card h3{font-size:1.14rem;padding:0 10px;margin-bottom:8px}
.guide-card p{color:var(--txt-2);font-size:.94rem;padding:0 10px}

/* ---------- Contact ---------- */
.contact-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:42px 34px;text-align:center}
.contact-card h2{font-size:1.6rem;margin-bottom:14px}
.contact-card p{color:var(--txt-2);margin-bottom:24px}
.contact-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:22px}
.contact-email{color:var(--txt-3);font-size:.94rem;margin-bottom:0!important}
.contact-email a{color:var(--cyan)}

/* ---------- Legal ---------- */
.legal h2{font-size:1.3rem;font-weight:750;margin:30px 0 10px}
.legal p{color:var(--txt-2);margin-bottom:14px}
.legal a{color:var(--cyan)}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--border);padding-top:56px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-tag{color:var(--txt-2);font-size:.95rem;max-width:320px}
.footer-col h4{font-size:.86rem;text-transform:uppercase;letter-spacing:1px;color:var(--txt-3);margin-bottom:16px}
.footer-col a{display:block;color:var(--txt-2);padding:6px 0;font-size:.95rem;transition:.2s}
.footer-col a:hover{color:var(--txt);padding-left:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding-top:22px;padding-bottom:18px;border-top:1px solid var(--border);color:var(--txt-3);font-size:.9rem}
.footer-links-inline a{color:var(--txt-3)}
.footer-links-inline a:hover{color:var(--txt)}
.disclaimer{max-width:var(--max);margin:0 auto;padding:18px 22px 30px;color:var(--txt-3);font-size:.74rem;line-height:1.5;opacity:.75;border-top:1px solid var(--border)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-copy{order:1}.hero-visual{order:0;margin-bottom:10px}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-cta,.hero-trust{justify-content:center}
  .feature-grid,.steps,.guide-grid{grid-template-columns:repeat(2,1fr)}
  .pricing-grid{grid-template-columns:repeat(2,1fr)}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-6px)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .main-nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;background:rgba(10,10,20,.98);backdrop-filter:blur(20px);padding:16px;gap:4px;border-bottom:1px solid var(--border);transform:translateY(-130%);transition:.35s var(--ease);max-height:calc(100vh - 68px);overflow:auto}
  .main-nav.open{transform:none}
  .main-nav a{padding:14px 16px;font-size:1.02rem}
  .nav-cta{text-align:center;margin-top:6px}
  .nav-toggle{display:flex}
  .feature-grid,.steps,.guide-grid,.pricing-grid,.stats-grid,.footer-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .section{padding:60px 0}
  .hero{padding:50px 0 40px}
  .contact-btns .btn{width:100%}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}