/* ═══════════════════════════════════════════════════════════════════════
   STRATOS — marketing site design system (by AGW Consulting)
   Clean enterprise SaaS · blue/slate · shared across all pages
   ═══════════════════════════════════════════════════════════════════════ */

:root{
  --blue:#2563eb; --blue-dark:#1d4ed8; --blue-soft:#eff4ff;
  --violet:#7c3aed; --green:#059669; --amber:#d97706; --red:#dc2626;
  --ink:#0f172a; --slate:#334155; --muted:#64748b; --faint:#94a3b8;
  --line:#e2e8f0; --line-soft:#eef2f7;
  --bg:#ffffff; --bg-soft:#f8fafc; --bg-ink:#0b1220;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05);
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow-lg:0 24px 60px rgba(15,23,42,.14);
  --radius:14px; --maxw:1160px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:-apple-system,"Segoe UI",system-ui,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;
  font-size:16px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;color:var(--ink);font-weight:800;}
p{color:var(--slate);}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-soft{background:var(--bg-soft);}
.section-tight{padding:56px 0;}
.center{text-align:center;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue);margin-bottom:14px;
}
.section h2{font-size:clamp(26px,3.4vw,38px);}
.lead{font-size:clamp(16px,1.8vw,19px);color:var(--muted);max-width:640px;}
.center .lead{margin-left:auto;margin-right:auto;}
.muted{color:var(--muted);}

/* ── buttons ─────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-weight:650;font-size:15px;line-height:1;border-radius:10px;
  padding:13px 22px;cursor:pointer;transition:all .18s ease;border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(37,99,235,.28);}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(37,99,235,.34);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);}
.btn-white{background:#fff;color:var(--blue);}
.btn-white:hover{transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-lg{padding:16px 28px;font-size:16px;}
.btn-block{width:100%;}

/* ── nav ─────────────────────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:66px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.02em;}
.brand .mark{width:30px;height:30px;flex-shrink:0;}
.brand-name{font-size:19px;color:var(--ink);letter-spacing:.16em;}
.brand-by{font-size:9.5px;color:var(--faint);letter-spacing:.14em;margin-top:2px;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:18px;}
.nav-links a{
  padding:9px 14px;border-radius:8px;font-size:14.5px;font-weight:550;color:var(--slate);transition:all .15s;
}
.nav-links a:hover{color:var(--ink);background:var(--bg-soft);}
.nav-links a.active{color:var(--blue);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0;border-radius:2px;transition:.2s;}

/* ── hero ────────────────────────────────────────────────────────────── */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(1200px 500px at 78% -10%,rgba(37,99,235,.10),transparent 60%),
             radial-gradient(900px 500px at 5% 0%,rgba(124,58,237,.07),transparent 55%),
             var(--bg);
  border-bottom:1px solid var(--line-soft);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding:84px 0 88px;}
.hero h1{font-size:clamp(34px,5vw,54px);letter-spacing:-.03em;}
.hero h1 .grad{
  background:linear-gradient(100deg,var(--blue),var(--violet));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p{margin-top:20px;font-size:clamp(16px,1.9vw,19px);color:var(--muted);max-width:520px;}
.hero-cta{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap;}
.hero-note{margin-top:18px;font-size:13px;color:var(--faint);display:flex;align-items:center;gap:8px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--blue);
  background:var(--blue-soft);border:1px solid rgba(37,99,235,.16);border-radius:999px;padding:6px 13px;margin-bottom:22px;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(5,150,105,.15);}

/* ── product mock (CSS/SVG, no external assets) ──────────────────────── */
.mock{
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;
}
.mock-bar{display:flex;align-items:center;gap:6px;padding:11px 14px;border-bottom:1px solid var(--line-soft);background:var(--bg-soft);}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:#e2e8f0;display:block;}
.mock-bar .t{margin-left:10px;font-size:11px;color:var(--faint);letter-spacing:.1em;}
.mock-body{padding:18px;}
.mock-kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px;}
.mock-kpi .k{background:var(--bg-soft);border:1px solid var(--line-soft);border-radius:10px;padding:12px;}
.mock-kpi .k b{display:block;font-size:20px;color:var(--ink);}
.mock-kpi .k span{font-size:10.5px;color:var(--faint);letter-spacing:.06em;text-transform:uppercase;}
.mock-bars{display:flex;align-items:flex-end;gap:10px;height:120px;padding:12px;background:var(--bg-soft);border:1px solid var(--line-soft);border-radius:10px;}
.mock-bars .b{flex:1;background:linear-gradient(180deg,#60a5fa,#2563eb);border-radius:5px 5px 0 0;opacity:.9;}

/* ── logos / trust strip ─────────────────────────────────────────────── */
.trust{padding:30px 0;border-bottom:1px solid var(--line-soft);}
.trust p{text-align:center;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-bottom:16px;}
.trust-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 40px;color:var(--faint);font-weight:700;font-size:15px;letter-spacing:.04em;opacity:.85;}

/* ── grids & cards ───────────────────────────────────────────────────── */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#dbe3ef;}
.card h3{font-size:18px;margin:16px 0 8px;}
.card p{font-size:14.5px;}
.icon{
  width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--blue-soft);color:var(--blue);
}
.icon.violet{background:rgba(124,58,237,.10);color:var(--violet);}
.icon.green{background:rgba(5,150,105,.10);color:var(--green);}
.icon.amber{background:rgba(217,119,6,.10);color:var(--amber);}
.icon svg{width:22px;height:22px;}

/* ── feature split rows ──────────────────────────────────────────────── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split.rev .split-media{order:2;}
.split-media{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow-sm);
}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--violet);margin-bottom:10px;}
.split h3{font-size:clamp(22px,2.6vw,28px);margin-bottom:12px;}
.checklist{list-style:none;margin-top:16px;display:grid;gap:10px;}
.checklist li{display:flex;gap:10px;font-size:15px;color:var(--slate);}
.checklist svg{width:18px;height:18px;color:var(--green);flex-shrink:0;margin-top:3px;}

/* ── steps ───────────────────────────────────────────────────────────── */
.steps{counter-reset:step;display:grid;gap:22px;}
.step{display:flex;gap:18px;}
.step .n{
  flex-shrink:0;width:38px;height:38px;border-radius:11px;background:var(--ink);color:#fff;
  font-weight:800;display:flex;align-items:center;justify-content:center;
}
.step h4{font-size:17px;margin-bottom:4px;}
.step p{font-size:14.5px;}

/* ── pricing ─────────────────────────────────────────────────────────── */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.tier{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 26px;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);
}
.tier.featured{border:2px solid var(--blue);box-shadow:var(--shadow);position:relative;}
.tier.featured::before{
  content:"Most popular";position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--blue);color:#fff;font-size:11px;font-weight:700;letter-spacing:.06em;padding:5px 12px;border-radius:999px;
}
.tier-name{font-size:14px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);}
.tier .price{font-size:26px;font-weight:800;color:var(--ink);margin:14px 0 4px;letter-spacing:-.02em;}
.tier .price small{font-size:14px;font-weight:600;color:var(--muted);}
.tier .desc{font-size:14px;color:var(--muted);min-height:44px;}
.tier ul{list-style:none;margin:20px 0;display:grid;gap:11px;flex:1;}
.tier li{display:flex;gap:10px;font-size:14.5px;color:var(--slate);}
.tier li svg{width:18px;height:18px;color:var(--green);flex-shrink:0;margin-top:3px;}

/* ── faq ─────────────────────────────────────────────────────────────── */
.faq{max-width:760px;margin:0 auto;display:grid;gap:12px;}
.qa{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;}
.qa summary{cursor:pointer;padding:18px 22px;font-weight:650;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.qa summary::-webkit-details-marker{display:none;}
.qa summary::after{content:"+";font-size:22px;color:var(--blue);font-weight:400;line-height:1;}
.qa[open] summary::after{content:"–";}
.qa p{padding:0 22px 20px;font-size:14.5px;}

/* ── stat band ───────────────────────────────────────────────────────── */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.stat b{display:block;font-size:34px;font-weight:800;color:var(--blue);letter-spacing:-.02em;}
.stat span{font-size:14px;color:var(--muted);}

/* ── CTA band ────────────────────────────────────────────────────────── */
.cta-band{
  background:linear-gradient(120deg,#0b1220,#152244);border-radius:20px;padding:52px 44px;text-align:center;color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);}
.cta-band p{color:#c7d2e5;max-width:560px;margin:14px auto 26px;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.cta-band .btn-ghost:hover{border-color:#fff;color:#fff;}

/* ── quote / testimonial (clearly-marked placeholders) ───────────────── */
.quote{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow-sm);}
.quote p{font-size:17px;color:var(--ink);font-weight:500;}
.quote .who{margin-top:16px;font-size:13.5px;color:var(--muted);}
.placeholder-note{font-size:11px;color:var(--amber);letter-spacing:.04em;text-transform:uppercase;font-weight:700;margin-bottom:10px;display:block;}

/* ── forms ───────────────────────────────────────────────────────────── */
.form{display:grid;gap:16px;}
.field{display:grid;gap:6px;}
.field label{font-size:13px;font-weight:650;color:var(--slate);}
.field input,.field select,.field textarea{
  font:inherit;font-size:15px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12);}
.field textarea{resize:vertical;min-height:120px;}
.form-note{font-size:12.5px;color:var(--faint);}
.form-ok{display:none;background:rgba(5,150,105,.08);border:1px solid rgba(5,150,105,.3);color:#065f46;border-radius:10px;padding:14px 16px;font-size:14px;}
.form-ok.show{display:block;}

/* ── footer ──────────────────────────────────────────────────────────── */
.footer{background:var(--bg-ink);color:#cbd5e1;padding:56px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer .brand-name{color:#fff;}
.footer .brand-by{color:#64748b;}
.footer p{color:#94a3b8;font-size:14px;margin-top:14px;max-width:280px;}
.footer h5{color:#fff;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;}
.footer ul{list-style:none;display:grid;gap:10px;}
.footer a{color:#94a3b8;font-size:14px;transition:color .15s;}
.footer a:hover{color:#fff;}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#64748b;}

/* ── page header (interior pages) ────────────────────────────────────── */
.page-head{
  background:radial-gradient(900px 380px at 80% -20%,rgba(37,99,235,.08),transparent 60%),var(--bg-soft);
  border-bottom:1px solid var(--line-soft);padding:64px 0 56px;
}
.page-head h1{font-size:clamp(30px,4.2vw,46px);}
.page-head p{margin-top:16px;font-size:18px;color:var(--muted);max-width:620px;}

/* ── utilities ───────────────────────────────────────────────────────── */
.mt-0{margin-top:0;}
.mt-8{margin-top:32px;}
.mt-10{margin-top:44px;}
.badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;}
.badge.blue{background:var(--blue-soft);color:var(--blue);}
.badge.green{background:rgba(5,150,105,.1);color:var(--green);}
.badge.amber{background:rgba(217,119,6,.1);color:var(--amber);}

/* ── responsive ──────────────────────────────────────────────────────── */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:56px 0 64px;}
  .hero-media{order:-1;}
  .split,.split.rev{grid-template-columns:1fr;gap:28px;}
  .split.rev .split-media{order:0;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:760px){
  .section{padding:60px 0;}
  .nav-links,.nav-desktop-cta{display:none;}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;position:absolute;left:0;right:0;top:66px;
    background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;gap:2px;box-shadow:var(--shadow);
  }
  .nav-links.open a{padding:12px 10px;}
  .nav-toggle{display:block;}
  .grid-2,.grid-3,.grid-4,.tiers{grid-template-columns:1fr;}
  .cta-band{padding:40px 24px;}
}
@media (max-width:460px){
  .stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}