/* Atlas — AI analytics SaaS. System-font stack only (CSP blocks external fonts). */
:root{
  --bg:#ffffff; --bg-soft:#f6f7fb; --panel:#ffffff;
  --ink:#151527; --ink-2:#4a4a63; --muted:#6b6b85;
  --indigo:#4f46e5; --indigo-2:#6366f1; --violet:#8b5cf6; --violet-2:#a855f7;
  --slate:#1e1e2e; --line:rgba(21,21,39,.10); --line-2:rgba(21,21,39,.06);
  --grad:linear-gradient(120deg,#4f46e5 0%,#7c3aed 48%,#a855f7 100%);
  --grad-soft:linear-gradient(135deg,#eef0ff 0%,#f4edff 100%);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --shadow:0 30px 70px -30px rgba(60,40,160,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.08}
a{color:inherit;text-decoration:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;
  letter-spacing:.16em;font-size:12px;font-weight:700;color:var(--indigo);margin:0 0 18px}
.eyebrow.dark{color:var(--violet)}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--violet);box-shadow:0 0 0 4px rgba(139,92,246,.18)}
.h2{font-size:clamp(2rem,4.6vw,3.3rem)}
.h2.light{color:#fff}
.lede{max-width:52ch;color:var(--muted);margin:16px 0 0;font-size:1.05rem}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;
  padding:13px 24px;border-radius:12px;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;text-align:center}
.btn.lg{padding:16px 30px;font-size:16px}
.btn.full{width:100%}
.btn-solid{background:var(--grad);color:#fff;box-shadow:0 12px 30px -12px rgba(99,80,240,.6)}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(99,80,240,.75)}
.btn-ghost{background:rgba(21,21,39,.04);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:rgba(21,21,39,.07);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline:hover{background:rgba(255,255,255,.12)}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;
  justify-content:space-between;gap:24px;padding:20px clamp(18px,5vw,60px);
  transition:background .3s ease,box-shadow .3s ease,padding .3s ease}
.nav.scrolled{background:rgba(255,255,255,.82);backdrop-filter:blur(14px) saturate(1.4);
  box-shadow:0 1px 0 var(--line);padding-top:13px;padding-bottom:13px}
.brand{display:flex;align-items:center;gap:9px;font-size:21px;font-weight:800;letter-spacing:-.02em}
.brand-mark{display:inline-flex;color:var(--indigo)}
.brand.light{color:#fff}.brand.light .brand-mark{color:#fff}
.nav-links{display:flex;gap:30px;font-size:15px;font-weight:500;color:var(--ink-2)}
.nav-links a{position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;
  border-radius:2px;background:var(--grad);transition:width .3s ease}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:18px}
.nav-signin{font-size:15px;font-weight:600;color:var(--ink-2)}
.nav-signin:hover{color:var(--ink)}

/* Hero */
.hero{position:relative;min-height:100svh;display:grid;
  grid-template-columns:1.02fr .98fr;gap:clamp(24px,4vw,60px);align-items:center;
  padding:clamp(120px,16vh,160px) clamp(18px,5vw,60px) clamp(60px,8vw,90px);
  background:radial-gradient(120% 90% at 80% -10%,#f0edff 0%,#f7f8fc 42%,#ffffff 78%);overflow:hidden}
.hero-glow{position:absolute;top:-20%;right:-10%;width:60vw;height:60vw;pointer-events:none;
  background:radial-gradient(closest-side,rgba(139,92,246,.28),transparent 70%);filter:blur(20px)}
.hero-inner{position:relative;z-index:2;max-width:620px}
.hero-title{font-size:clamp(2.6rem,6.2vw,4.6rem);letter-spacing:-.03em}
.hero-sub{max-width:46ch;font-size:clamp(1.02rem,1.5vw,1.22rem);color:var(--ink-2);margin:24px 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin:22px 0 0;font-size:13px;color:var(--muted);letter-spacing:.02em}
.hero-visual{position:relative;z-index:2}
.hero-visual>img{width:100%;border-radius:20px;box-shadow:var(--shadow);border:1px solid var(--line);
  aspect-ratio:16/11;object-fit:cover}
.float-card{position:absolute;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:0 18px 40px -18px rgba(40,20,120,.4);
  display:flex;flex-direction:column;gap:3px}
.float-a{top:8%;left:-6%;animation:floaty 6s ease-in-out infinite}
.float-b{bottom:8%;right:-5%;max-width:220px;animation:floaty 7s ease-in-out .8s infinite}
.fc-label{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:700}
.fc-value{font-size:1.5rem;font-weight:800;letter-spacing:-.02em}
.fc-value.small{font-size:.95rem;font-weight:600;line-height:1.35}
.fc-delta{font-size:12px;font-weight:700}
.fc-delta.up{color:#16a34a}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* Logos */
.logos{padding:clamp(48px,6vw,72px) clamp(18px,5vw,60px);text-align:center;background:var(--bg)}
.logos-label{font-size:13px;text-transform:uppercase;letter-spacing:.16em;color:var(--muted);font-weight:700;margin:0 0 26px}
.logos-row{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:clamp(28px,5vw,64px);max-width:1000px;margin:0 auto}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:1.25rem;font-weight:800;letter-spacing:-.02em;
  color:var(--slate);opacity:.55;transition:opacity .25s ease}
.logo:hover{opacity:1}
.logo svg{width:22px;height:22px}

/* Sections */
.section{padding:clamp(72px,10vw,130px) clamp(18px,5vw,60px)}
.section-head{max-width:760px;margin:0 auto clamp(44px,6vw,66px);text-align:center}
.section-head .lede{margin-inline:auto}

/* Feature grid */
.feature-grid{display:grid;gap:22px;max-width:1120px;margin:0 auto;
  grid-template-columns:repeat(3,1fr)}
.feature-grid .feature.wide{grid-column:span 3}
.feature{background:var(--panel);border:1px solid var(--line);border-radius:20px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease}
.feature:hover{transform:translateY(-6px);box-shadow:0 30px 60px -30px rgba(60,40,160,.35);border-color:rgba(124,58,237,.35)}
.feature-media{aspect-ratio:4/3;overflow:hidden;background:var(--grad-soft)}
.feature.wide .feature-media{aspect-ratio:auto}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.feature:hover .feature-media img{transform:scale(1.05)}
.feature-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.feature-ic{width:40px;height:40px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-soft);color:var(--indigo);margin-bottom:4px}
.feature-ic svg{width:22px;height:22px}
.feature h3{font-size:1.28rem}
.feature p{color:var(--muted);font-size:.98rem;margin:0}
.feature.wide{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:0}
.feature.wide .feature-body{padding:clamp(28px,4vw,48px)}
.feature.wide .feature-media{height:100%}

/* How it works */
.how{padding:clamp(72px,10vw,130px) clamp(18px,5vw,60px);background:var(--bg-soft)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,36px);max-width:1080px;margin:0 auto;
  counter-reset:step;position:relative}
.step{position:relative;padding:8px 4px}
.step-num{width:46px;height:46px;border-radius:13px;background:var(--grad);color:#fff;font-weight:800;
  font-size:1.15rem;display:inline-flex;align-items:center;justify-content:center;margin-bottom:18px;
  box-shadow:0 12px 26px -12px rgba(99,80,240,.6)}
.step h3{font-size:1.32rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.98rem;margin:0}

/* Quote band */
.quote-band{padding:clamp(72px,10vw,120px) clamp(18px,5vw,60px);background:var(--slate);color:#fff;text-align:center}
.quote-band blockquote{max-width:840px;margin:0 auto}
.quote{font-size:clamp(1.5rem,3.4vw,2.4rem);font-weight:700;letter-spacing:-.02em;line-height:1.25;margin:0 0 30px}
.quote-by{display:inline-flex;align-items:center;gap:14px;text-align:left}
.avatar{width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:.95rem;
  display:inline-flex;align-items:center;justify-content:center}
.quote-by span b{display:block;font-size:1rem}
.quote-by span span{font-size:.9rem;color:rgba(255,255,255,.65)}

/* Pricing */
.pricing .section-head{margin-bottom:clamp(32px,5vw,48px)}
.toggle{display:inline-flex;gap:4px;margin-top:26px;padding:5px;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:14px}
.toggle-opt{font-family:inherit;font-weight:600;font-size:14px;color:var(--ink-2);background:transparent;
  border:none;border-radius:10px;padding:10px 20px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;
  transition:background .25s,color .25s,box-shadow .25s}
.toggle-opt.is-active{background:#fff;color:var(--ink);box-shadow:0 4px 12px -4px rgba(21,21,39,.2)}
.save{font-size:11px;font-weight:800;color:#fff;background:var(--grad);padding:3px 8px;border-radius:100px;letter-spacing:.02em}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1080px;margin:0 auto}
.tier{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:32px 30px;
  display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease}
.tier:hover{transform:translateY(-5px);box-shadow:0 30px 60px -34px rgba(60,40,160,.35)}
.tier.pop{border-color:transparent;background:var(--slate);color:#fff;box-shadow:0 40px 80px -40px rgba(60,40,160,.7)}
.tier.pop .tier-desc,.tier.pop .tier-feats li{color:rgba(255,255,255,.75)}
.tier-badge{align-self:flex-start;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;
  color:#fff;background:var(--grad);padding:5px 12px;border-radius:100px;margin-bottom:14px}
.tier-name{font-size:1.3rem;font-weight:800}
.tier-desc{color:var(--muted);font-size:.95rem;margin:6px 0 20px;min-height:2.6em}
.tier-price{display:flex;align-items:flex-end;gap:6px;margin-bottom:4px}
.tier-price .amount{font-size:3rem;font-weight:800;letter-spacing:-.03em;line-height:1}
.tier-price .per{font-size:.9rem;color:var(--muted);padding-bottom:8px}
.tier.pop .per{color:rgba(255,255,255,.6)}
.tier-bill{font-size:.82rem;color:var(--muted);margin:0 0 22px;min-height:1.2em}
.tier.pop .tier-bill{color:rgba(255,255,255,.55)}
.tier-feats{list-style:none;margin:0 0 26px;padding:0;display:flex;flex-direction:column;gap:12px;flex:1;font-size:.96rem}
.tier-feats li{display:flex;gap:10px;align-items:flex-start;color:var(--ink-2)}
.tier-feats svg{width:18px;height:18px;flex:0 0 18px;color:var(--indigo);margin-top:2px}
.tier.pop .tier-feats svg{color:var(--violet-2)}
.tier .btn{margin-top:auto}
.tier.pop .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.22)}
.tier.pop .btn-ghost:hover{background:rgba(255,255,255,.18)}

/* Team */
.team{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,5vw,72px);align-items:center;
  padding:clamp(64px,9vw,120px) clamp(18px,5vw,60px)}
.team-media img{width:100%;border-radius:22px;aspect-ratio:3/4;object-fit:cover;box-shadow:var(--shadow)}
.team-copy p{color:var(--ink-2);margin:16px 0 0;max-width:50ch}
.team-copy .h2{margin-bottom:4px}
.team-stats{display:flex;gap:40px;margin-top:34px;flex-wrap:wrap}
.team-stats div{display:flex;flex-direction:column}
.team-stats b{font-size:2rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.team-stats span{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600}

/* CTA */
.cta{padding:clamp(64px,9vw,120px) clamp(18px,5vw,60px);
  background:radial-gradient(110% 120% at 15% 0%,#5b3bd8 0%,#3a2fb0 45%,#241d6e 100%)}
.cta-inner{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(32px,5vw,72px);align-items:center}
.cta-copy{color:#fff}
.cta-copy p{color:rgba(255,255,255,.78);margin:16px 0 0;max-width:44ch}
.cta-list{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
.cta-list li{position:relative;padding-left:28px;color:rgba(255,255,255,.9);font-size:.98rem}
.cta-list li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
  background:rgba(255,255,255,.16);color:#fff;font-size:12px;display:inline-flex;align-items:center;justify-content:center}
.demo-form{background:#fff;border-radius:22px;padding:clamp(24px,3vw,36px);box-shadow:0 40px 90px -40px rgba(20,10,80,.6)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:7px;letter-spacing:.01em}
.field input,.field select{width:100%;font-family:inherit;font-size:15px;color:var(--ink);
  padding:13px 14px;border:1px solid var(--line);border-radius:11px;background:var(--bg-soft);
  transition:border-color .2s,box-shadow .2s,background .2s}
.field input::placeholder{color:#a3a3ba}
.field input:focus,.field select:focus{outline:none;border-color:var(--indigo-2);background:#fff;
  box-shadow:0 0 0 4px rgba(99,102,241,.14)}
.field input.invalid{border-color:#e11d48;box-shadow:0 0 0 4px rgba(225,29,72,.12)}
.form-note{font-size:12.5px;color:var(--muted);margin:14px 0 0;text-align:center}
.form-note.err{color:#e11d48;font-weight:600}
.form-note.ok{color:#16a34a;font-weight:600}

/* Footer */
.footer{background:#0f0f1c;color:#fff;padding:clamp(56px,7vw,80px) clamp(18px,5vw,60px) 40px}
.foot-top{display:grid;grid-template-columns:1.3fr 2fr;gap:40px;max-width:1120px;margin:0 auto;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand p{color:rgba(255,255,255,.55);font-size:14px;margin:14px 0 0;max-width:32ch}
.foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.foot-cols h4{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.5);margin-bottom:14px}
.foot-cols a{display:block;color:rgba(255,255,255,.78);font-size:14px;padding:5px 0;transition:color .2s}
.foot-cols a:hover{color:#fff}
.foot-bottom{max-width:1120px;margin:26px auto 0;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:8px;color:rgba(255,255,255,.5);font-size:13px}
.fine{opacity:.7}

/* Toast */
.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);background:var(--slate);
  color:#fff;padding:14px 24px;border-radius:12px;font-size:14px;font-weight:600;
  opacity:0;pointer-events:none;transition:all .3s ease;z-index:80;box-shadow:0 20px 50px -20px rgba(0,0,0,.6)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* Reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media(max-width:980px){
  .hero{grid-template-columns:1fr;min-height:auto;text-align:left}
  .hero-visual{margin-top:20px}
  .float-a{left:0}.float-b{right:0}
  .feature-grid,.steps,.tiers{grid-template-columns:1fr 1fr}
  .feature-grid .feature.wide{grid-column:span 2;grid-template-columns:1fr}
  .feature.wide .feature-media{aspect-ratio:16/9}
  .team{grid-template-columns:1fr}
  .team-media{order:-1;max-width:440px}
  .cta-inner,.foot-top{grid-template-columns:1fr}
  .foot-cols{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:680px){
  body{font-size:16px}
  .nav-links,.nav-signin{display:none}
  .feature-grid,.steps,.tiers{grid-template-columns:1fr}
  .feature-grid .feature.wide{grid-column:span 1}
  .feature.wide{grid-template-columns:1fr}
  .tier.pop{transform:none}
  .foot-cols{grid-template-columns:1fr 1fr}
  .float-b{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn:hover,.feature:hover,.tier:hover{transform:none}
}