/* ===== Design tokens ===== */
:root{
  --bg: #05060c;
  --bg-2: #090b14;
  --ink: #edeff7;
  --ink-soft: #b6bcd1;
  --ink-mute: #7c8299;
  --accent: #6c7cf7;
  --accent-2: #8b9bff;
  --gold: #d7b56d;
  --glass-fill: rgba(255,255,255,0.045);
  --glass-fill-strong: rgba(255,255,255,0.07);
  --glass-border: rgba(186,201,247,0.12);
  --glass-border-strong: rgba(186,201,247,0.22);
  --shadow-glow: 0 20px 60px -20px rgba(108,124,247,0.35);

  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-pill: 999px;
  --radius-card: 20px;
  --radius-sm: 12px;

  --container: 1160px;
  --section-pad: 140px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

@media (max-width: 900px){
  :root{ --section-pad: 96px; }
}

/* ===== Reset ===== */
*,*::before,*::after{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; scrollbar-width: none; -ms-overflow-style: none; }
html::-webkit-scrollbar, body::-webkit-scrollbar{ display: none; width:0; height:0; }
body{ scrollbar-width: none; -ms-overflow-style: none; }
body{
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
h1,h2,h3{ font-family: var(--font-display); font-weight:600; letter-spacing:-0.02em; color: var(--ink); }
section{ scroll-margin-top: 112px; }
.container{ max-width: var(--container); margin: 0 auto; padding: 0 32px; }

/* ===== Scroll progress ===== */
#scrollProgress{ position:fixed; top:0; left:0; right:0; height:4px; z-index:10000; background:rgba(255,255,255,0.06); pointer-events:none; }
#scrollProgress i{ display:block; height:100%; width:0%; background: linear-gradient(90deg, var(--accent-2), var(--gold)); box-shadow: 0 0 10px 1px rgba(139,155,255,0.6); }

/* ===== Ambient background ===== */
.ambient{ position: fixed; inset:0; z-index:0; overflow:hidden; pointer-events:none; }
.blob{
  position:absolute; border-radius:50%; filter: blur(90px); opacity:.55;
  will-change: transform;
}
.blob-1{
  width:620px; height:620px; top:-180px; left:-120px;
  background: radial-gradient(circle at 30% 30%, rgba(108,124,247,0.55), transparent 70%);
  animation: drift1 26s ease-in-out infinite alternate;
}
.blob-2{
  width:520px; height:520px; top:20%; right:-160px;
  background: radial-gradient(circle at 60% 40%, rgba(215,181,109,0.28), transparent 70%);
  animation: drift2 32s ease-in-out infinite alternate;
}
.blob-3{
  width:480px; height:480px; bottom:-200px; left:30%;
  background: radial-gradient(circle at 50% 50%, rgba(139,155,255,0.32), transparent 70%);
  animation: drift3 30s ease-in-out infinite alternate;
}
@keyframes drift1{ from{ transform: translate(0,0) scale(1);} to{ transform: translate(60px,80px) scale(1.08);} }
@keyframes drift2{ from{ transform: translate(0,0) scale(1);} to{ transform: translate(-70px,60px) scale(0.95);} }
@keyframes drift3{ from{ transform: translate(0,0) scale(1);} to{ transform: translate(50px,-60px) scale(1.1);} }
#sparkleCanvas{ position:absolute; inset:0; width:100%; height:100%; }

@media (prefers-reduced-motion: reduce){
  .blob{ animation: none !important; }
}

/* ===== Loader ===== */
#loader{
  position:fixed; inset:0; z-index:9999;
  background: var(--bg);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:18px;
  transition: opacity .5s var(--ease), visibility .5s var(--ease);
}
#loader.hide{ opacity:0; visibility:hidden; pointer-events:none; }
.loader-mark{ height:64px; width:auto; filter: drop-shadow(0 0 14px rgba(143,139,245,0.6)); animation: loaderPulse 1.6s ease-in-out infinite; }
@keyframes loaderPulse{ 0%,100%{ transform: scale(1); } 50%{ transform: scale(1.08); } }
.loader-word{ font-family: var(--font-mono); font-size:14px; letter-spacing:0.22em; color: var(--ink-soft); }
.loader-word em{ font-style:normal; color: var(--accent-2); }
.loader-bar{ width:160px; height:2px; background: rgba(255,255,255,0.08); border-radius:2px; overflow:hidden; }
.loader-bar i{ display:block; height:100%; width:0%; background: linear-gradient(90deg, var(--accent-2), var(--gold)); animation: loaderBar 1s cubic-bezier(.4,0,.2,1) forwards; }
@keyframes loaderBar{ to{ width:100%; } }
@media (prefers-reduced-motion: reduce){
  .loader-mark{ animation:none; }
  .loader-bar i{ animation-duration:.01s; }
}

/* ===== Glass utility ===== */
.glass{
  position: relative;
  background: linear-gradient(180deg, var(--glass-fill-strong), var(--glass-fill));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow: 0 1px 0 0 rgba(255,255,255,0.06) inset, 0 24px 60px -30px rgba(0,0,0,0.6);
}
.glass::before{
  content:"";
  position:absolute; inset:0; border-radius:inherit; padding:1px;
  background: linear-gradient(160deg, rgba(255,255,255,0.25), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events:none;
}
.glass::after{
  content:"";
  position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  background: radial-gradient(260px circle at var(--mx,50%) var(--my,50%), rgba(255,255,255,0.10), transparent 65%);
  opacity:0; transition: opacity .35s var(--ease);
}
.glass:hover::after{ opacity:1; }
@media (pointer:coarse){ .glass::after{ display:none; } }

/* ===== Reveal on scroll ===== */
.reveal{ opacity:0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view{ opacity:1; transform: translateY(0); }

/* ===== Buttons ===== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family: var(--font-body); font-weight:600; font-size:15px;
  padding: 14px 26px; border-radius: var(--radius-pill);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap; cursor:pointer; border:1px solid transparent;
}
.btn-lg{ padding: 16px 32px; font-size:16px; }
.btn-sm{ padding:12px 22px; font-size:15px; }
.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#fff;
  box-shadow: 0 12px 30px -10px rgba(108,124,247,0.55);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(108,124,247,0.7); }
.btn-ghost{
  background: rgba(255,255,255,0.03);
  border-color: var(--glass-border-strong);
  color: var(--ink);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover{ background: rgba(255,255,255,0.07); transform: translateY(-2px); }

/* ===== Eyebrow / section head ===== */
.eyebrow{
  display:inline-block; font-family: var(--font-mono); font-size:14px; font-weight:500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-2);
  margin-bottom: 18px;
}
.how, .services, .model, .about{ padding: 110px 0; }
@media (max-width: 900px){ .how, .services, .model, .about{ padding: 80px 0; } }

.section-head{ max-width: 640px; margin-bottom: 76px; }
.section-head h2{ font-size: clamp(28px,4vw,40px); margin-bottom:16px; }
.section-head p{ color: var(--ink-mute); font-size:18px; }

/* ===== Nav ===== */
.nav{
  position: fixed; top:0; left:0; right:0; z-index:100;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled{
  background: rgba(5,6,12,0.65);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--glass-border);
}
.nav-inner{
  max-width: var(--container); margin:0 auto; padding: 26px 32px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{ display:flex; align-items:center; font-family: var(--font-display); font-weight:600; font-size:17px; }
.brand-logo{ height:26px; width:auto; filter: drop-shadow(0 0 8px rgba(143,139,245,0.4)); }
.brand-logo-nav{ height:40px; }
.brand-footer .brand-logo{ height:32px; }
@keyframes twinkle{ 0%,100%{ opacity:.9; } 50%{ opacity:.25; } }
.nav-links{ display:flex; align-items:center; gap:34px; font-size:16px; color: var(--ink-soft); }
.nav-links a{ position:relative; transition: color .2s var(--ease); }
.nav-links a:hover{ color: var(--ink); }
.nav-links a.active{ color: var(--accent-2); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-8px; height:2px; border-radius:2px;
  background: linear-gradient(90deg, var(--accent-2), var(--gold));
  box-shadow: 0 0 8px 1px rgba(139,155,255,0.6);
}
.nav .btn-sm{ margin-left:auto; }
.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ width:22px; height:2px; background: var(--ink); border-radius:2px; transition: transform .25s var(--ease), opacity .25s var(--ease); }
.nav-mobile{
  display:none; flex-direction:column; gap:4px; padding: 8px 24px 24px;
  background: rgba(5,6,12,0.92); backdrop-filter: blur(18px);
  border-bottom:1px solid var(--glass-border);
}
.nav-mobile a{ padding:14px 8px; font-size:17px; color: var(--ink-soft); border-bottom:1px solid rgba(255,255,255,0.05); }
.nav-mobile .btn{ margin-top:12px; text-align:center; }

@media (max-width: 860px){
  .nav-links{ display:none; }
  .nav-inner .btn-sm{ display:none; }
  .nav-toggle{ display:flex; }
  .nav-mobile.open{ display:flex; }
}

/* ===== Hero ===== */
.hero{ position:relative; z-index:1; min-height:100vh; min-height:100svh; display:flex; align-items:center; padding: 112px 0 72px; }
.hero-grid{ display:grid; grid-template-columns: 1.05fr 0.95fr; gap:64px; align-items:center; width:100%; }
.hero-copy h1{ font-size: clamp(34px, 4.6vw, 54px); line-height:1.08; margin-bottom:22px; }
.grad-text{
  background: linear-gradient(100deg, var(--accent-2), var(--gold) 90%);
  -webkit-background-clip: text; background-clip:text; color:transparent;
}
.hero-sub{ color: var(--ink-mute); font-size:18px; max-width:520px; margin-bottom:34px; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:16px; margin-bottom:34px; }
.trust-pills{ display:flex; flex-wrap:wrap; gap:12px; }
.pill{
  display:inline-flex; align-items:center; gap:8px; font-size:15px; color: var(--ink-soft);
  background: rgba(255,255,255,0.04); border:1px solid var(--glass-border); padding:10px 18px; border-radius: var(--radius-pill);
}
.pill .dot{ width:6px; height:6px; border-radius:50%; background: var(--accent-2); box-shadow: 0 0 10px 2px rgba(139,155,255,0.7); }

.hero-visual{ position:relative; display:flex; justify-content:center; align-items:center; }
.hero-card{ width:100%; max-width:420px; padding:28px; animation: floaty 7s ease-in-out infinite; }
@keyframes floaty{ 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-14px);} }
.hero-card-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:22px; }
.hcard-label{ font-size:14.5px; color: var(--ink-mute); }
.hcard-badge{ font-size:13px; font-family: var(--font-mono); color: var(--accent-2); background: rgba(108,124,247,0.12); border:1px solid rgba(108,124,247,0.3); padding:5px 11px; border-radius: var(--radius-pill); }
.funnel-wrap{ position:relative; width:100%; height:230px; margin-bottom:4px; }
.funnel-hero{ position:absolute; inset:0; width:100%; height:100%; overflow:visible; }
.funnel-canvas{ position:absolute; inset:0; width:100%; height:100%; }
.funnel-rim{ fill:none; stroke:url(#heroFunnelGrad); stroke-width:2.6; filter: drop-shadow(0 0 6px rgba(143,139,245,0.55)); }
.funnel-wall{ fill:none; stroke:url(#heroFunnelGrad); stroke-width:2.6; stroke-linecap:round; stroke-linejoin:round; filter: drop-shadow(0 0 6px rgba(143,139,245,0.5)); }
.funnel-ring{ fill:none; stroke:url(#heroFunnelGrad); stroke-width:1.3; opacity:.4; }
.funnel-spark{ fill:#cdf3ff; animation: twinkle 2.6s ease-in-out infinite; }
.funnel-spark.s2{ animation-delay:.6s; } .funnel-spark.s3{ animation-delay:1.1s; } .funnel-spark.s4{ animation-delay:1.7s; }
.funnel-io{
  position:absolute; left:50%; transform:translateX(-50%);
  font-family: var(--font-mono); font-size:12.5px; letter-spacing:.1em; text-transform:uppercase; color: var(--ink-mute);
  white-space:nowrap;
}
.funnel-in{ top:-2px; }
.funnel-out{ bottom:-4px; color:var(--gold); }
@media (prefers-reduced-motion: reduce){ .funnel-spark{ animation:none; } }
.hero-card-foot{ display:flex; gap:28px; padding-top:18px; border-top:1px solid var(--glass-border); }
.hcard-stat{ display:flex; flex-direction:column; gap:4px; }
.hcard-stat-label{ font-size:13px; color: var(--ink-mute); text-transform:uppercase; letter-spacing:.08em; }
.hcard-stat-value{ font-family: var(--font-display); font-size:17.5px; font-weight:600; }
.hero-float{
  position:absolute; bottom:-22px; right:-10px; padding:12px 20px; font-family: var(--font-mono);
  font-size:14px; color: var(--gold); animation: floaty 7s ease-in-out infinite; animation-delay: .4s;
}

@media (max-width: 900px){
  .hero{ min-height:0; padding:104px 0 56px; }
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ margin-top:20px; }
  .hero-float{ display:none; }
}

/* ===== How it works ===== */
.steps{ display:grid; grid-template-columns: repeat(3,1fr); gap:24px; }
.step{ padding:36px 28px; }
.step-num{ display:block; font-family: var(--font-mono); font-size:14.5px; color: var(--accent-2); margin-bottom:18px; }
.step h3{ font-size:21px; margin-bottom:12px; }
.step p{ color: var(--ink-mute); font-size:16px; }
@media (max-width: 860px){ .steps{ grid-template-columns:1fr; } }

/* ===== Services ===== */
.service-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap:32px; }
.service-card{ padding:40px; transition: transform .3s var(--ease), border-color .3s var(--ease); }
.service-card:hover{ transform: translateY(-4px); border-color: var(--glass-border-strong); }
.service-icon{
  width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  background: rgba(108,124,247,0.12); border:1px solid rgba(108,124,247,0.25); color: var(--accent-2);
  margin-bottom:20px;
}
.service-icon svg{ width:22px; height:22px; }
.service-card h3{ font-size:19px; margin-bottom:10px; }
.service-card p{ color: var(--ink-mute); font-size:16px; }
@media (max-width: 720px){ .service-grid{ grid-template-columns:1fr; } }

/* ===== Model / compare ===== */
.compare{ display:grid; grid-template-columns:1fr 1fr; gap:36px; }
.compare-col{ padding:48px 44px; }
.compare-label{ display:block; font-family: var(--font-display); font-weight:600; font-size:18.5px; margin-bottom:28px; color: var(--ink-soft); }
.compare-label.accent{ color: var(--accent-2); }
.compare-col li{ display:flex; align-items:flex-start; gap:12px; font-size:16px; color: var(--ink-mute); padding:15px 0; border-top:1px solid rgba(255,255,255,0.06); }
.compare-col li:first-of-type{ border-top:none; }
.compare-highlight{ border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow), 0 1px 0 0 rgba(255,255,255,0.06) inset; }
.compare-highlight li{ color: var(--ink-soft); }
.ico{ width:18px; height:18px; border-radius:50%; flex:0 0 18px; margin-top:1px; position:relative; }
.ico-x{ background: rgba(255,255,255,0.06); }
.ico-x::before,.ico-x::after{ content:""; position:absolute; top:50%; left:50%; width:8px; height:1.6px; background: var(--ink-mute); transform-origin:center; }
.ico-x::before{ transform: translate(-50%,-50%) rotate(45deg); }
.ico-x::after{ transform: translate(-50%,-50%) rotate(-45deg); }
.ico-check{ background: rgba(108,124,247,0.18); }
.ico-check::before{ content:""; position:absolute; left:4.5px; top:3.5px; width:5px; height:9px; border-right:1.8px solid var(--accent-2); border-bottom:1.8px solid var(--accent-2); transform: rotate(40deg); }
@media (max-width: 760px){ .compare{ grid-template-columns:1fr; } }

/* ===== About ===== */
.about-grid{ display:grid; grid-template-columns: 0.4fr 0.6fr; gap:64px; align-items:center; }
.avatar-frame{ width:180px; height:180px; border-radius:50%; padding:6px; display:flex; align-items:center; justify-content:center; box-shadow: 0 0 0 1px var(--glass-border), 0 20px 50px -20px rgba(143,139,245,0.5); }
.avatar-photo{
  width:100%; height:100%; border-radius:50%; object-fit:cover;
  filter: saturate(1.05);
}
.about-copy h2{ font-size: clamp(26px,3.4vw,34px); margin-bottom:18px; }
.about-copy p{ color: var(--ink-mute); font-size:17px; margin-bottom:14px; max-width:560px; }
@media (max-width: 760px){ .about-grid{ grid-template-columns:1fr; text-align:center; } .about-visual{ display:flex; justify-content:center;} .about-copy p{ margin-left:auto; margin-right:auto; } }

/* ===== Contact ===== */
.contact{ padding-bottom: var(--section-pad); }
.contact-panel{ padding: 64px; text-align:center; display:flex; flex-direction:column; align-items:center; box-shadow: var(--shadow-glow), 0 1px 0 0 rgba(255,255,255,0.06) inset; }
.contact-panel .eyebrow{ margin-bottom:14px; }
.contact-panel h2{ font-size: clamp(28px,4vw,38px); margin-bottom:14px; }
.contact-panel p{ color: var(--ink-mute); font-size:17.5px; max-width:460px; margin-bottom:34px; }
.contact-actions{ display:flex; flex-wrap:wrap; gap:16px; justify-content:center; margin-bottom:26px; }
.contact-meta{ font-size:15.5px; color: var(--ink-mute); }
.contact-meta a{ transition: color .2s var(--ease); }
.contact-meta a:hover{ color: var(--accent-2); }
.dot-sep{ margin:0 10px; opacity:.5; }
@media (max-width: 640px){ .contact-panel{ padding:44px 26px; } }

/* ===== Footer ===== */
.footer{ position:relative; z-index:1; padding: 40px 0; border-top:1px solid var(--glass-border); }
.footer-inner{ display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.footer-inner p{ color: var(--ink-mute); font-size:15px; }
.brand-footer{ font-size:15px; }
.footer-social{ display:flex; gap:16px; }
.footer-social a{ width:34px; height:34px; border-radius:50%; border:1px solid var(--glass-border); display:flex; align-items:center; justify-content:center; color: var(--ink-mute); transition: color .2s var(--ease), border-color .2s var(--ease); }
.footer-social a:hover{ color: var(--accent-2); border-color: var(--glass-border-strong); }
.footer-social svg{ width:16px; height:16px; }
@media (max-width: 600px){ .footer-inner{ flex-direction:column; text-align:center; } }