:root{
  --bg:#101116;
  --surface:#1B1E27;
  --surface-2:#22252F;
  --line: rgba(243,241,236,0.10);
  --violet:#6C5CE7;
  --violet-soft: rgba(108,92,231,0.16);
  --cyan:#2DE1C2;
  --coral:#FF4D6D;
  --coral-soft: rgba(255,77,109,0.16);
  --text:#F3F1EC;
  --text-muted:#9A9CAE;
  --radius: 14px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter', sans-serif;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,.display{ font-family:'Unbounded', sans-serif; letter-spacing:-0.01em; }
.mono{ font-family:'JetBrains Mono', monospace; }
a{ color:inherit; text-decoration:none; }
img{max-width:100%; display:block;}
ul{list-style:none;}
button{ font-family:inherit; cursor:pointer; border:none; background:none; color:inherit; }
:focus-visible{ outline:2px solid var(--cyan); outline-offset:3px; }
.container{ max-width:1180px; margin:0 auto; padding:0 24px; }
.eyebrow{
  font-family:'JetBrains Mono', monospace;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--cyan);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:"";
  width:7px; height:7px; border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(45,225,194,0.15);
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px;
  border-radius:100px;
  font-weight:600;
  font-size:15px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--coral); color:#151016; }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 10px 30px -8px rgba(255,77,109,0.55); }
.btn-ghost{ background:transparent; border:1px solid var(--line); color:var(--text); }
.btn-ghost:hover{ border-color:var(--cyan); color:var(--cyan); }
.btn-block{ width:100%; }
.btn[disabled]{ opacity:0.45; pointer-events:none; }

/* ===== HEADER / NAV ===== */
header{
  position:sticky; top:0; z-index:60;
  background:rgba(16,17,22,0.82);
  backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 24px;
  max-width:1180px; margin:0 auto;
}
.logo{
  font-family:'Unbounded', sans-serif;
  font-weight:700;
  font-size:20px;
  display:flex; align-items:center; gap:10px;
}
.logo-mark{
  width:26px; height:26px;
  border-radius:7px;
  background:linear-gradient(135deg, var(--violet), var(--cyan));
  flex:none;
}
.nav-links{ display:flex; gap:32px; font-size:14px; font-weight:500; color:var(--text-muted); }
.nav-links a:hover{ color:var(--text); }
.nav-links a.active{ color:var(--cyan); }
.nav-right{ display:flex; align-items:center; gap:14px; }
.cart-btn{
  position:relative;
  width:44px; height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
}
.cart-btn:hover{ border-color:var(--cyan); }
.cart-count{
  position:absolute; top:-4px; right:-4px;
  background:var(--coral);
  color:#150F14;
  font-family:'JetBrains Mono', monospace;
  font-size:11px; font-weight:700;
  min-width:19px; height:19px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  padding:0 3px;
}
.nav-toggle{ display:none; width:44px; height:44px; align-items:center; justify-content:center; border:1px solid var(--line); border-radius:50%; }
.mobile-menu{
  display:none;
  flex-direction:column;
  gap:2px;
  padding:8px 24px 18px;
  border-top:1px solid var(--line);
}
.mobile-menu.open{ display:flex; }
.mobile-menu a{ padding:12px 4px; font-size:15px; border-bottom:1px solid var(--line); color:var(--text-muted); }
.mobile-menu a.active{ color:var(--cyan); }

/* ===== PAGE HERO (sub-pages) ===== */
.page-hero{
  padding:64px 24px 48px;
  border-bottom:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.page-hero-glow{
  position:absolute; top:-160px; left:-120px;
  width:460px; height:460px;
  background:radial-gradient(circle, var(--violet-soft), transparent 70%);
  pointer-events:none;
}
.page-hero h1{ font-size:clamp(30px,4vw,46px); margin-top:14px; line-height:1.08; max-width:720px; }
.page-hero p.lead{ color:var(--text-muted); font-size:16px; max-width:560px; margin-top:16px; }
.breadcrumb{ font-size:13px; color:var(--text-muted); }
.breadcrumb a:hover{ color:var(--cyan); }

/* ===== HERO (home) ===== */
.hero{ position:relative; padding:96px 24px 80px; overflow:hidden; }
.hero-glow{
  position:absolute; top:-200px; right:-150px;
  width:600px; height:600px;
  background:radial-gradient(circle, var(--violet-soft), transparent 70%);
  filter:blur(10px);
  pointer-events:none;
}
.hero-inner{
  position:relative; max-width:1180px; margin:0 auto;
  display:grid; grid-template-columns: 1.05fr 0.95fr; gap:56px; align-items:center;
}
.hero h1{ font-size:clamp(38px, 5.2vw, 64px); line-height:1.04; font-weight:700; margin:20px 0 22px; }
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg, var(--cyan), var(--violet));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero p.lead{ font-size:17px; color:var(--text-muted); max-width:480px; margin-bottom:32px; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px; }
.hero-trust{ display:flex; gap:28px; flex-wrap:wrap; padding-top:24px; border-top:1px solid var(--line); }
.trust-item{ display:flex; flex-direction:column; gap:2px; }
.trust-item .num{ font-family:'JetBrains Mono', monospace; font-weight:700; font-size:20px; color:var(--cyan); }
.trust-item .lbl{ font-size:12.5px; color:var(--text-muted); }

.pulse-card{ background:var(--surface); border:1px solid var(--line); border-radius:22px; padding:28px 28px 22px; position:relative; }
.pulse-card-top{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:6px; }
.pulse-card-top .label{ font-size:13px; color:var(--text-muted); }
.pulse-counter{ font-family:'JetBrains Mono', monospace; font-size:44px; font-weight:700; color:var(--text); letter-spacing:-0.02em; }
.pulse-counter span{ font-size:16px; color:var(--cyan); font-weight:500; margin-left:8px; }
canvas#waveform{ width:100%; height:150px; display:block; margin:14px 0 6px; }
.pulse-legend{ display:flex; justify-content:space-between; font-size:12px; color:var(--text-muted); font-family:'JetBrains Mono', monospace; }
.pulse-tags{ display:flex; gap:8px; margin-top:18px; flex-wrap:wrap; }
.pulse-tag{ font-size:12px; padding:6px 12px; border-radius:100px; background:var(--surface-2); color:var(--text-muted); border:1px solid var(--line); }

@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

/* ===== SECTION SHARED ===== */
section{ padding:88px 24px; }
.section-head{ max-width:620px; margin-bottom:52px; }
.section-head h2{ font-size:clamp(28px,3.4vw,40px); margin-top:14px; line-height:1.12; }
.section-head p{ color:var(--text-muted); margin-top:14px; font-size:16px; }

/* ===== HOW IT WORKS / PHASES ===== */
.phases{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.phase{ background:var(--surface); padding:32px 26px; }
.phase .bar{ height:6px; border-radius:4px; background:var(--surface-2); overflow:hidden; margin-bottom:18px; }
.phase .bar i{ display:block; height:100%; background:linear-gradient(90deg, var(--cyan), var(--violet)); }
.phase h3{ font-size:18px; margin-bottom:8px; }
.phase p{ font-size:14.5px; color:var(--text-muted); }
.phase .freq{ font-family:'JetBrains Mono', monospace; font-size:12px; color:var(--cyan); margin-bottom:10px; display:block; }

/* ===== BENEFITS ===== */
.benefits-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.benefit{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:26px 22px; transition:border-color .2s ease, transform .2s ease; }
.benefit:hover{ border-color:var(--violet); transform:translateY(-3px); }
.benefit .icon{ width:38px; height:38px; border-radius:10px; background:var(--violet-soft); color:var(--cyan); display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.benefit h3{ font-family:'Inter'; font-weight:600; font-size:15.5px; margin-bottom:8px; }
.benefit p{ font-size:13.5px; color:var(--text-muted); }

/* ===== PRODUCTS ===== */
.products{ background:var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.products-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.plan{ background:var(--bg); border:1px solid var(--line); border-radius:18px; padding:30px 26px; display:flex; flex-direction:column; position:relative; }
.plan.featured{ border-color:var(--violet); box-shadow:0 0 0 1px var(--violet), 0 20px 50px -20px rgba(108,92,231,0.5); }
.plan-badge{ position:absolute; top:-13px; left:26px; background:var(--violet); color:#fff; font-size:11.5px; font-weight:600; padding:5px 12px; border-radius:100px; }
.plan h3{ font-size:20px; margin-bottom:6px; }
.plan .desc{ font-size:13.5px; color:var(--text-muted); margin-bottom:20px; }
.plan .price-row{ display:flex; align-items:baseline; gap:10px; margin-bottom:4px; }
.plan .price{ font-family:'JetBrains Mono', monospace; font-size:30px; font-weight:700; }
.plan .old-price{ font-family:'JetBrains Mono', monospace; font-size:15px; color:var(--text-muted); text-decoration:line-through; }
.plan .save{ font-size:12px; color:var(--cyan); margin-bottom:22px; }
.plan ul{ display:flex; flex-direction:column; gap:10px; margin-bottom:26px; flex:1; }
.plan li{ font-size:13.5px; color:var(--text-muted); display:flex; gap:10px; align-items:flex-start; }
.plan li svg{ flex:none; margin-top:2px; color:var(--cyan); }
.plan-meta{ display:flex; gap:14px; margin-top:16px; padding-top:16px; border-top:1px solid var(--line); }
.plan-meta div{ font-size:11.5px; color:var(--text-muted); }
.plan-meta .v{ font-family:'JetBrains Mono', monospace; font-size:13px; color:var(--text); display:block; }
.plan-link{ font-size:12.5px; color:var(--cyan); margin-top:12px; display:inline-block; }

/* filters (products page) */
.filter-bar{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:36px; }
.filter-chip{ padding:9px 16px; border-radius:100px; border:1px solid var(--line); font-size:13px; color:var(--text-muted); background:var(--bg); }
.filter-chip.active{ border-color:var(--cyan); color:var(--cyan); background:var(--violet-soft); }

/* ===== SPEC TABLE (device info page) ===== */
.spec-table{ width:100%; border-collapse:collapse; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.spec-table th, .spec-table td{ text-align:left; padding:16px 20px; font-size:13.5px; border-bottom:1px solid var(--line); }
.spec-table th{ color:var(--text-muted); font-weight:500; background:var(--surface-2); font-family:'JetBrains Mono', monospace; font-size:12px; text-transform:uppercase; letter-spacing:0.06em; }
.spec-table td.val{ font-family:'JetBrains Mono', monospace; color:var(--cyan); }
.spec-table tr:last-child td{ border-bottom:none; }
.spec-wrap{ overflow-x:auto; }

.diagram{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:30px; display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.diagram-item{ text-align:center; }
.diagram-icon{ width:52px; height:52px; border-radius:50%; background:var(--violet-soft); color:var(--cyan); display:flex; align-items:center; justify-content:center; margin:0 auto 12px; }
.diagram-item h4{ font-size:13.5px; margin-bottom:6px; }
.diagram-item p{ font-size:12px; color:var(--text-muted); }

.contra-list{ display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.contra-item{ display:flex; gap:10px; align-items:flex-start; background:var(--surface); border:1px solid var(--line); border-radius:10px; padding:14px 16px; font-size:13.5px; color:var(--text-muted); }
.contra-item svg{ flex:none; color:var(--coral); margin-top:2px; }

/* ===== TESTIMONIALS ===== */
.testi-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.testi{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:26px 24px; }
.testi .stars{ color:var(--cyan); font-size:14px; margin-bottom:14px; letter-spacing:2px; }
.testi p{ font-size:14.5px; color:var(--text); margin-bottom:18px; }
.testi .who{ display:flex; align-items:center; gap:10px; }
.avatar{ width:34px; height:34px; border-radius:50%; background:linear-gradient(135deg, var(--violet), var(--cyan)); flex:none; }
.who-name{ font-size:13.5px; font-weight:600; }
.who-loc{ font-size:12px; color:var(--text-muted); }

/* ===== FAQ ===== */
.faq-list{ max-width:780px; }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{ width:100%; display:flex; justify-content:space-between; align-items:center; padding:22px 4px; text-align:left; font-family:'Inter'; font-weight:600; font-size:15.5px; }
.faq-q .plus{ font-family:'JetBrains Mono', monospace; color:var(--cyan); font-size:20px; transition:transform .2s ease; flex:none; margin-left:16px; }
.faq-item.open .plus{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .3s ease; }
.faq-a p{ padding:0 4px 22px; color:var(--text-muted); font-size:14.5px; max-width:640px; }

/* ===== CONTACT PAGE ===== */
.contact-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:48px; align-items:flex-start; }
.contact-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:28px; margin-bottom:16px; }
.contact-card h3{ font-size:15px; margin-bottom:14px; }
.contact-row{ display:flex; gap:14px; align-items:flex-start; padding:12px 0; border-bottom:1px solid var(--line); }
.contact-row:last-child{ border-bottom:none; }
.contact-row .ic{ width:34px; height:34px; border-radius:9px; background:var(--violet-soft); color:var(--cyan); display:flex; align-items:center; justify-content:center; flex:none; }
.contact-row .t{ font-size:13.5px; color:var(--text-muted); }
.contact-row .v{ font-size:14.5px; font-weight:500; margin-top:2px; }
.map-placeholder{
  height:220px; border-radius:var(--radius); border:1px solid var(--line);
  background:
    linear-gradient(var(--surface-2) 1px, transparent 1px) 0 0/26px 26px,
    linear-gradient(90deg, var(--surface-2) 1px, transparent 1px) 0 0/26px 26px,
    var(--surface);
  display:flex; align-items:center; justify-content:center; color:var(--text-muted); font-size:13px; gap:8px;
}
.map-placeholder svg{ color:var(--coral); }

.form-card{ background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:36px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:12.5px; color:var(--text-muted); margin-bottom:7px; }
.field input, .field textarea, .field select{
  width:100%; padding:13px 15px; background:var(--surface-2); border:1px solid var(--line);
  border-radius:10px; color:var(--text); font-size:14px; font-family:'Inter'; resize:vertical;
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color:var(--cyan); outline:none; }
.field-row{ display:flex; gap:14px; }
.field-row .field{ flex:1; }
.form-success{ display:none; text-align:center; padding:20px 0; }
.form-success.active{ display:block; }
.form-success .check{ width:56px; height:56px; border-radius:50%; background:var(--violet-soft); color:var(--cyan); display:flex; align-items:center; justify-content:center; margin:0 auto 18px; }

/* ===== FOOTER CTA ===== */
.cta-band{
  background:linear-gradient(120deg, var(--violet), #4834D4 60%, var(--bg));
  border-radius:24px; margin:0 24px; padding:64px 48px;
  display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
}
.cta-band h2{ font-size:clamp(24px,3vw,34px); max-width:460px; }
.cta-band p{ color:rgba(255,255,255,0.75); margin-top:10px; max-width:420px; font-size:15px;}

footer{ padding:64px 24px 32px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px; margin-bottom:48px; max-width:1180px; margin-left:auto; margin-right:auto; }
.footer-grid h4{ font-size:14px; margin-bottom:16px; }
.footer-grid li{ font-size:13.5px; color:var(--text-muted); margin-bottom:10px; }
.footer-grid li a:hover{ color:var(--text); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:24px; border-top:1px solid var(--line); font-size:12.5px; color:var(--text-muted); flex-wrap:wrap; gap:12px; max-width:1180px; margin:0 auto; }

/* ===== CART DRAWER ===== */
.overlay{ position:fixed; inset:0; background:rgba(8,8,10,0.6); opacity:0; pointer-events:none; transition:opacity .25s ease; z-index:80; }
.overlay.active{ opacity:1; pointer-events:auto; }
.drawer{
  position:fixed; top:0; right:0; height:100%; width:420px; max-width:92vw;
  background:var(--surface); border-left:1px solid var(--line); z-index:90;
  transform:translateX(100%); transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex; flex-direction:column;
}
.drawer.active{ transform:translateX(0); }
.drawer-head{ display:flex; justify-content:space-between; align-items:center; padding:22px 22px; border-bottom:1px solid var(--line); }
.drawer-head h3{ font-size:17px; }
.drawer-close{ width:36px; height:36px; border-radius:50%; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; }
.drawer-body{ flex:1; overflow-y:auto; padding:18px 22px; }
.drawer-empty{ text-align:center; padding:60px 20px; color:var(--text-muted); font-size:14px; }
.cart-item{ display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--line); }
.cart-item-thumb{ width:56px; height:56px; border-radius:10px; background:var(--surface-2); flex:none; display:flex; align-items:center; justify-content:center; color:var(--cyan); }
.cart-item-info{ flex:1; min-width:0; }
.cart-item-info .name{ font-size:14px; font-weight:600; margin-bottom:4px; }
.cart-item-info .price{ font-family:'JetBrains Mono', monospace; font-size:13px; color:var(--text-muted); }
.qty-row{ display:flex; align-items:center; gap:10px; margin-top:10px; }
.qty-btn{ width:26px; height:26px; border-radius:7px; background:var(--surface-2); border:1px solid var(--line); display:flex; align-items:center; justify-content:center; font-size:14px; }
.qty-val{ font-family:'JetBrains Mono', monospace; font-size:13px; min-width:16px; text-align:center; }
.remove-btn{ font-size:12px; color:var(--coral); margin-top:8px; }
.drawer-foot{ padding:20px 22px 26px; border-top:1px solid var(--line); }
.subtotal-row{ display:flex; justify-content:space-between; margin-bottom:16px; font-size:15px; }
.subtotal-row .amt{ font-family:'JetBrains Mono', monospace; font-weight:700; }

/* ===== MODAL (checkout) ===== */
.modal{ position:fixed; inset:0; z-index:100; display:flex; align-items:center; justify-content:center; padding:24px; opacity:0; pointer-events:none; transition:opacity .25s ease; }
.modal.active{ opacity:1; pointer-events:auto; }
.modal-backdrop{ position:absolute; inset:0; background:rgba(8,8,10,0.72); }
.modal-box{ position:relative; background:var(--surface); border:1px solid var(--line); border-radius:20px; width:460px; max-width:100%; max-height:86vh; overflow-y:auto; padding:30px 28px; }
.modal-box h3{ font-size:20px; margin-bottom:6px; }
.modal-box .sub{ font-size:13.5px; color:var(--text-muted); margin-bottom:24px; }
.modal-summary{ background:var(--surface-2); border-radius:12px; padding:16px; margin-bottom:20px; font-size:13.5px; }
.modal-summary .row{ display:flex; justify-content:space-between; padding:4px 0; color:var(--text-muted); }
.modal-summary .row.total{ color:var(--text); font-weight:700; border-top:1px solid var(--line); margin-top:8px; padding-top:10px; font-family:'JetBrains Mono', monospace; }
.modal-close{ position:absolute; top:20px; right:20px; width:32px; height:32px; border-radius:50%; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; }
.success-box{ text-align:center; padding:20px 0 6px; }
.success-box .check{ width:56px; height:56px; border-radius:50%; background:var(--violet-soft); color:var(--cyan); display:flex; align-items:center; justify-content:center; margin:0 auto 18px; }
.success-box h3{ margin-bottom:8px; }
.success-box p{ font-size:14px; color:var(--text-muted); margin-bottom:24px; }
.note-banner{ font-size:12px; color:var(--text-muted); background:var(--surface-2); border:1px dashed var(--line); border-radius:10px; padding:10px 12px; margin-top:16px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns:1fr; }
  .phases{ grid-template-columns:1fr; }
  .benefits-grid{ grid-template-columns:repeat(2,1fr); }
  .products-grid{ grid-template-columns:1fr; max-width:420px; margin:0 auto; }
  .testi-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .cta-band{ flex-direction:column; align-items:flex-start; }
  .contact-grid{ grid-template-columns:1fr; }
  .diagram{ grid-template-columns:repeat(2,1fr); }
  .contra-list{ grid-template-columns:1fr; }
}
@media (max-width: 760px){
  .nav-links{ display:none; }
  .nav-toggle{ display:flex; }
  .field-row{ flex-direction:column; gap:0; }
  .form-card{ padding:24px; }
}