/* =========================================================
   Analyzet — Design System
   Brand: Poppins (display) + Inter (body), Violet #8B5CF6
   ========================================================= */

:root{
  --bg:#FFFFFF;
  --bg-alt:#F3F4F6;
  --surface:#FFFFFF;
  --surface-2:#F9F7FF;
  --text:#0D1117;
  --text-muted:#5B6472;
  --border:#E5E7EB;
  --accent:#8B5CF6;
  --accent-2:#5B21B6;
  --accent-strong:#3B1E7A;
  --accent-tint:#EDE9FE;
  --accent-tint-2:#C4B5FD;
  --success:#16A34A;
  --shadow: 0 1px 2px rgba(13,17,23,.04), 0 12px 32px -12px rgba(59,30,122,.12);
  --shadow-lg: 0 24px 60px -20px rgba(59,30,122,.22);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1180px;
  --nav-h:76px;
  color-scheme: light;
}

html[data-theme="dark"]{
  --bg:#0A0C10;
  --bg-alt:#12151C;
  --surface:#12151C;
  --surface-2:#161A23;
  --text:#F5F7FA;
  --text-muted:#9CA3AF;
  --border:rgba(255,255,255,.09);
  --accent:#8B5CF6;
  --accent-2:#A78BFA;
  --accent-strong:#C4B5FD;
  --accent-tint:rgba(139,92,246,.14);
  --accent-tint-2:rgba(139,92,246,.28);
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 20px 50px -20px rgba(139,92,246,.35);
  --shadow-lg: 0 30px 80px -20px rgba(139,92,246,.45);
  color-scheme: dark;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background-color .4s ease, color .4s ease;
  overflow-x:hidden;
}

h1,h2,h3,h4{
  font-family:"Poppins",sans-serif;
  font-weight:700;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-.01em;
}
h1{ font-size:clamp(2.4rem, 4.6vw, 4rem); }
h2{ font-size:clamp(1.8rem, 3.2vw, 2.6rem); }
h3{ font-size:1.3rem; }
p{ margin:0 0 1em; color:var(--text-muted); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }

.container{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.78rem; font-weight:600; letter-spacing:.14em; text-transform:uppercase;
  color:var(--accent); margin-bottom:16px;
}
.eyebrow::before{
  content:""; width:7px; height:7px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 0 4px var(--accent-tint);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 26px; border-radius:999px; font-weight:600; font-size:.95rem;
  border:1px solid transparent; cursor:pointer; white-space:nowrap;
  transition:transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, background-color .25s, color .25s, border-color .25s;
  font-family:"Inter",sans-serif;
}
.btn:active{ transform:scale(.97); }
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff; box-shadow:0 10px 30px -10px rgba(139,92,246,.6);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 16px 36px -10px rgba(139,92,246,.75); }
.btn-ghost{ background:transparent; color:var(--text); border-color:var(--border); }
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }
.btn-sm{ padding:9px 18px; font-size:.85rem; }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:100; height:var(--nav-h);
  display:flex; align-items:center;
  background:var(--bg);
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, background-color .3s ease;
}
.site-header.scrolled{ border-bottom-color:var(--border); }
.nav-inner{ display:flex; align-items:center; justify-content:space-between; width:100%; }
.brand{ display:flex; align-items:center; }
.brand img{ height:38px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:.92rem; font-weight:500; color:var(--text-muted);
  position:relative; padding:6px 0; transition:color .2s;
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:2px;
  background:var(--accent); transition:right .28s cubic-bezier(.2,.8,.2,1);
  border-radius:2px;
}
.nav-links a:hover, .nav-links a.active{ color:var(--text); }
.nav-links a:hover::after, .nav-links a.active::after{ right:0; }
.nav-right{ display:flex; align-items:center; gap:14px; }

.theme-toggle{
  width:42px; height:42px; border-radius:50%; border:1px solid var(--border);
  background:var(--surface); display:flex; align-items:center; justify-content:center;
  cursor:pointer; position:relative; color:var(--text);
  transition:border-color .25s, transform .25s;
}
.theme-toggle:hover{ border-color:var(--accent); transform:translateY(-2px); }
.theme-toggle svg{ width:18px; height:18px; }
.theme-toggle .icon-sun{ display:none; }
html[data-theme="dark"] .theme-toggle .icon-moon{ display:none; }
html[data-theme="dark"] .theme-toggle .icon-sun{ display:block; }

.nav-toggle{
  display:none; width:42px; height:42px; border-radius:50%; border:1px solid var(--border);
  background:var(--surface); align-items:center; justify-content:center; cursor:pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:18px; height:2px; background:var(--text); position:relative; transition:.25s;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

@media (max-width: 880px){
  .nav-links{
    position:fixed; inset:var(--nav-h) 0 auto 0; flex-direction:column; align-items:flex-start;
    background:var(--bg); border-bottom:1px solid var(--border);
    padding:20px 28px 28px; gap:18px; transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .25s, transform .25s;
  }
  .nav-links.open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .nav-toggle{ display:flex; }
  .nav-cta{ display:none; }
}

/* ---------- hero / aurora background ---------- */
.aurora{
  position:relative; overflow:hidden; isolation:isolate;
}
.aurora::before{
  content:""; position:absolute; inset:-20%; z-index:-1;
  background:
    radial-gradient(38% 42% at 18% 22%, var(--accent-tint-2) 0%, transparent 70%),
    radial-gradient(32% 36% at 82% 15%, var(--accent-tint) 0%, transparent 70%),
    radial-gradient(40% 40% at 60% 85%, var(--accent-tint) 0%, transparent 72%);
  filter:blur(40px);
  animation:drift 22s ease-in-out infinite alternate;
  opacity:.9;
}
html[data-theme="dark"] .aurora::before{ opacity:.55; }
@keyframes drift{
  0%{ transform:translate3d(0,0,0) scale(1); }
  100%{ transform:translate3d(2%, -3%, 0) scale(1.08); }
}

.hero{ padding:96px 0 88px; }
.hero-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center; }
.hero h1{ margin-bottom:22px; }
.hero .lead{ font-size:1.15rem; max-width:520px; margin-bottom:36px; }
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; }

.hero-visual{
  position:relative; aspect-ratio:1/1; border-radius:28px;
  background:linear-gradient(155deg, var(--surface-2), var(--surface));
  border:1px solid var(--border); box-shadow:var(--shadow-lg);
  display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.hero-visual .glow-orb{
  position:absolute; top:50%; left:50%; width:60%; aspect-ratio:1/1; border-radius:50%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle at 35% 30%, var(--accent) 0%, transparent 68%);
  filter:blur(10px); opacity:.55; animation:pulse 6s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{ transform:scale(1); opacity:.5;} 50%{ transform:scale(1.12); opacity:.75;} }
.hero-visual img{ width:52%; position:relative; z-index:1; filter:drop-shadow(0 20px 40px rgba(59,30,122,.35)); }

@media (max-width: 920px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-visual{ max-width:340px; margin:0 auto; }
}

/* ---------- stats ---------- */
.stats{ padding:50px 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat b{ display:block; font-family:"Poppins",sans-serif; font-size:clamp(1.6rem,3vw,2.2rem); color:var(--text); }
.stat span{ font-size:.85rem; color:var(--text-muted); }
@media (max-width:760px){ .stats-grid{ grid-template-columns:repeat(2,1fr); } }

/* ---------- sections ---------- */
section{ padding:104px 0; }
.section-head{ max-width:640px; margin:0 auto 56px; text-align:center; }
.section-head.left{ margin:0 0 48px; text-align:left; }

/* ---------- product cards ---------- */
.cards-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
@media (max-width:980px){ .cards-grid{ grid-template-columns:1fr; } }

.card{
  position:relative; padding:34px 30px; border-radius:var(--radius);
  background:var(--surface); border:1px solid var(--border);
  box-shadow:var(--shadow); overflow:hidden;
  transition:transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s, border-color .35s;
}
.card::before{
  content:""; position:absolute; inset:0; border-radius:inherit; padding:1px;
  background:linear-gradient(135deg, var(--accent), transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  opacity:0; transition:opacity .35s;
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-lg); border-color:transparent; }
.card:hover::before{ opacity:1; }
.card .tag{
  display:inline-block; font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:var(--accent); background:var(--accent-tint); padding:5px 12px; border-radius:999px; margin-bottom:18px;
}
.card h3{ margin-bottom:10px; }
.card p{ font-size:.94rem; margin-bottom:22px; }
.card .card-link{ font-weight:600; font-size:.9rem; color:var(--text); display:inline-flex; align-items:center; gap:6px; }
.card .card-link svg{ width:14px; height:14px; transition:transform .25s; }
.card:hover .card-link svg{ transform:translateX(4px); }

/* ---------- feature grid (icon + text) ---------- */
.feature-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:30px 34px; }
@media (max-width:900px){ .feature-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:620px){ .feature-grid{ grid-template-columns:1fr; } }
.feature{ display:flex; gap:16px; align-items:flex-start; }
.feature .ico{
  flex:0 0 auto; width:44px; height:44px; border-radius:12px;
  background:var(--accent-tint); color:var(--accent);
  display:flex; align-items:center; justify-content:center;
}
.feature .ico svg{ width:20px; height:20px; }
.feature h4{ font-family:"Poppins",sans-serif; font-size:1rem; margin:0 0 6px; }
.feature p{ font-size:.9rem; margin:0; }

/* ---------- module rows (alternating) ---------- */
.module-row{
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
  padding:64px 0; border-top:1px solid var(--border);
}
.module-row:first-of-type{ border-top:none; }
.module-row.reverse .module-visual{ order:2; }
.module-visual{
  aspect-ratio:16/9; border-radius:var(--radius); border:1px solid var(--border);
  background:linear-gradient(160deg, var(--surface-2), var(--surface));
  display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden;
  box-shadow:var(--shadow);
}
.module-visual .ring{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  border-radius:50%; border:1px solid var(--accent-tint-2);
}
.module-visual .ring.r1{ width:70%; aspect-ratio:1/1; }
.module-visual .ring.r2{ width:48%; aspect-ratio:1/1; }
.module-visual .ring.r3{ width:26%; aspect-ratio:1/1; background:var(--accent); opacity:.15; }
.module-visual .mnum{ position:relative; z-index:2; font-family:"Poppins",sans-serif; font-weight:700; color:var(--accent); font-size:.85rem; letter-spacing:.08em; text-transform:uppercase; }
.module-visual img{ width:100%; height:100%; object-fit:cover; object-position:top; display:block; }
.module-visual .shot-tag{
  position:absolute; left:14px; bottom:14px; z-index:2;
  font-family:"Poppins",sans-serif; font-weight:700; font-size:.7rem; letter-spacing:.06em; text-transform:uppercase;
  color:#fff; background:rgba(13,17,23,.65); backdrop-filter:blur(6px);
  padding:6px 12px; border-radius:999px;
}
.module-copy .chiplist{ display:flex; flex-wrap:wrap; gap:8px; margin-top:20px; }
.module-copy .chip{
  font-size:.78rem; font-weight:600; padding:6px 12px; border-radius:999px;
  background:var(--accent-tint); color:var(--accent-strong);
}
.module-copy ul{ margin-top:18px; display:flex; flex-direction:column; gap:10px; }
.module-copy ul li{
  font-size:.92rem; color:var(--text-muted); padding-left:22px; position:relative;
}
.module-copy ul li::before{
  content:""; position:absolute; left:0; top:8px; width:8px; height:8px; border-radius:2px;
  background:var(--accent); transform:rotate(45deg);
}
.module-stats{ display:flex; gap:32px; margin-top:22px; }
.module-stats div b{ display:block; font-family:"Poppins",sans-serif; font-size:1.5rem; color:var(--text); }
.module-stats div span{ font-size:.78rem; color:var(--text-muted); }

@media (max-width:860px){
  .module-row, .module-row.reverse{ grid-template-columns:1fr; }
  .module-row.reverse .module-visual{ order:0; }
}

/* ---------- CTA banner ---------- */
.cta-banner{
  border-radius:28px; padding:64px 48px; text-align:center; position:relative; overflow:hidden;
  background:linear-gradient(135deg, var(--accent-strong), var(--accent-2) 60%, var(--accent));
  color:#fff; isolation:isolate;
}
.cta-banner::after{
  content:""; position:absolute; inset:0; z-index:-1; opacity:.5;
  background:radial-gradient(50% 60% at 20% 0%, rgba(255,255,255,.25), transparent),
             radial-gradient(40% 50% at 90% 100%, rgba(255,255,255,.2), transparent);
}
.cta-banner h2{ color:#fff; margin-bottom:14px; }
.cta-banner p{ color:rgba(255,255,255,.85); max-width:520px; margin:0 auto 30px; }
.cta-banner .btn-ghost{ border-color:rgba(255,255,255,.5); color:#fff; }
.cta-banner .btn-ghost:hover{ border-color:#fff; background:rgba(255,255,255,.12); }
.cta-banner .btn-primary{ background:#fff; color:var(--accent-strong); box-shadow:0 10px 30px -10px rgba(0,0,0,.35); }
.cta-banner .btn-primary:hover{ box-shadow:0 16px 36px -10px rgba(0,0,0,.45); }

/* ---------- breadcrumb ---------- */
.breadcrumb{ display:flex; align-items:center; gap:8px; font-size:.85rem; color:var(--text-muted); margin-bottom:26px; }
.breadcrumb a{ color:var(--text-muted); transition:color .2s; }
.breadcrumb a:hover{ color:var(--accent); }

/* ---------- footer ---------- */
.site-footer{ border-top:1px solid var(--border); padding:64px 0 32px; background:var(--bg-alt); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:48px; }
.footer-brand img{ height:40px; width:auto; margin-bottom:16px; }
.footer-brand p{ font-size:.88rem; max-width:280px; }
.footer-col h5{ font-family:"Poppins",sans-serif; font-size:.82rem; letter-spacing:.06em; text-transform:uppercase; color:var(--text); margin-bottom:16px; }
.footer-col ul{ display:flex; flex-direction:column; gap:10px; }
.footer-col a{ font-size:.9rem; color:var(--text-muted); transition:color .2s; }
.footer-col a:hover{ color:var(--accent); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  padding-top:28px; border-top:1px solid var(--border); font-size:.82rem; color:var(--text-muted);
}
@media (max-width:820px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }

/* ---------- reveal-on-scroll ---------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.visible{ opacity:1; transform:translateY(0); }
.reveal-stagger.visible .r-item{ opacity:1; transform:translateY(0); }
.r-item{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.r-item:nth-child(1){ transition-delay:.02s; }
.r-item:nth-child(2){ transition-delay:.10s; }
.r-item:nth-child(3){ transition-delay:.18s; }
.r-item:nth-child(4){ transition-delay:.26s; }
.r-item:nth-child(5){ transition-delay:.34s; }
.r-item:nth-child(6){ transition-delay:.42s; }

/* ---------- misc ---------- */
.divider-fade{ height:1px; background:linear-gradient(90deg, transparent, var(--border), transparent); border:none; margin:0; }
.badge-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.badge{ font-size:.78rem; font-weight:600; color:var(--text-muted); border:1px solid var(--border); padding:6px 14px; border-radius:999px; }

.page-hero{ padding:70px 0 20px; }
.page-hero h1{ margin-bottom:16px; }
.page-hero .lead{ font-size:1.08rem; max-width:640px; }

::selection{ background:var(--accent); color:#fff; }

.skip-link{
  position:absolute; left:-999px; top:auto; background:var(--accent); color:#fff; padding:10px 16px; border-radius:8px; z-index:200;
}
.skip-link:focus{ left:16px; top:16px; }

/* ---------- back-to-top ---------- */
.back-to-top{
  position:fixed; right:24px; bottom:24px; z-index:90;
  width:46px; height:46px; border-radius:50%; border:none;
  background:var(--accent); color:#fff; box-shadow:var(--shadow-lg);
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  opacity:0; transform:translateY(14px); pointer-events:none;
  transition:opacity .3s ease, transform .3s ease, background-color .25s;
}
.back-to-top.visible{ opacity:1; transform:translateY(0); pointer-events:auto; }
.back-to-top:hover{ background:var(--accent-2); transform:translateY(-3px); }
.back-to-top svg{ width:20px; height:20px; }
@media (max-width:600px){
  .back-to-top{ right:16px; bottom:16px; width:42px; height:42px; }
  .back-to-top svg{ width:18px; height:18px; }
}