/* ==========================================================================
   NCS New Complete System
   Marketing site styles. Dependency-free, dark brand theme.
   ========================================================================== */

:root {
  --bg:            #080a12;
  --bg-2:          #0c0f1c;
  --panel:         #10131f;
  --panel-2:       #151a2b;
  --border:        rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text:          #eef1fb;
  --text-muted:    #9aa3bd;
  --text-dim:      #6f7896;

  --blue:          #3b82f6;
  --blue-bright:   #4f8dff;
  --indigo:        #6366f1;
  --purple:        #8b5cf6;
  --cyan:          #22d3ee;
  --green:         #34d399;
  --amber:         #fbbf24;
  --red:           #f87171;

  --grad:          linear-gradient(100deg, #4f8dff 0%, #6a6cff 45%, #a855f7 100%);
  --grad-soft:     linear-gradient(100deg, rgba(79,141,255,.16), rgba(168,85,247,.16));

  --shadow:        0 24px 60px -24px rgba(0, 0, 0, .8);
  --shadow-glow:   0 0 0 1px rgba(120,140,255,.14), 0 30px 80px -30px rgba(80,110,255,.45);

  --radius:        16px;
  --radius-sm:     11px;
  --container:     1160px;
  --nav-h:         68px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
          "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ambient background glows */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 15% -5%, rgba(79,141,255,.18), transparent 60%),
    radial-gradient(55% 45% at 100% 0%, rgba(168,85,247,.16), transparent 55%),
    radial-gradient(50% 40% at 50% 100%, rgba(34,211,238,.07), transparent 60%),
    var(--bg);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { line-height: 1.12; margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.28rem; }
p  { margin: 0 0 1rem; color: var(--text-muted); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 22px; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; font-weight: 650; letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-muted);
  padding: 6px 13px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255,255,255,.03);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }

.section { padding: clamp(64px, 9vw, 118px) 0; }
.section-head { max-width: 720px; margin: 0 auto clamp(38px, 5vw, 60px); text-align: center; }
.section-head p { font-size: 1.08rem; }
.center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: inherit; font-size: .98rem; font-weight: 640; line-height: 1;
  padding: 14px 22px; border-radius: 12px; border: 1px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 30px -10px rgba(106,108,255,.7); }
.btn-primary:hover { box-shadow: 0 16px 40px -12px rgba(106,108,255,.85); transform: translateY(-1px); }
.btn-ghost { background: rgba(255,255,255,.04); color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.28); }
.btn-lg { padding: 16px 28px; font-size: 1.03rem; }
.btn-block { width: 100%; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(8,10,18,.72); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav .container { display: flex; align-items: center; gap: 24px; }
.nav-logo img { height: 30px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; margin-left: 12px; }
.nav-links a { font-size: .95rem; color: var(--text-muted); font-weight: 550; transition: color .15s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px; transition: .2s; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(56px, 8vw, 96px) 0 clamp(40px, 6vw, 72px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 54px; align-items: center; }
.hero h1 { margin-top: 18px; }
.hero-lede { font-size: 1.18rem; max-width: 46ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 20px; }
.hero-note { font-size: .9rem; color: var(--text-dim); display: flex; align-items: center; gap: 8px; }
.hero-note .ok { color: var(--green); }
.hero-visual {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border-strong); box-shadow: var(--shadow-glow);
}
.hero-visual img { width: 100%; }

/* ---------- Trust bar ---------- */
.trust { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: rgba(255,255,255,.015); }
.trust .container { display: flex; align-items: center; justify-content: center; gap: 14px 34px; flex-wrap: wrap; padding-block: 26px; }
.trust span { color: var(--text-dim); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; }
.trust strong { color: var(--text); font-weight: 650; }
.pill-live { display: inline-flex; align-items: center; gap: 7px; color: var(--green); font-size: .82rem; }
.pill-live .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(52,211,153,.16); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 20px; }
.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: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.card:hover { border-color: var(--border-strong); transform: translateY(-3px); background: var(--panel-2); }
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; font-size: .96rem; }
.card .ico {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  font-size: 22px; margin-bottom: 16px; background: var(--grad-soft); border: 1px solid var(--border);
}

/* Problem / solution */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.panelbox { border-radius: var(--radius); padding: 30px; border: 1px solid var(--border); }
.panelbox.bad { background: rgba(248,113,113,.05); border-color: rgba(248,113,113,.18); }
.panelbox.good { background: rgba(52,211,153,.05); border-color: rgba(52,211,153,.2); }
.panelbox h3 { display: flex; align-items: center; gap: 10px; }
.checklist { list-style: none; padding: 0; margin: 14px 0 0; }
.checklist li { display: flex; gap: 11px; align-items: flex-start; padding: 8px 0; color: var(--text-muted); font-size: .98rem; }
.checklist .mk { flex: 0 0 auto; font-weight: 700; }
.bad .mk { color: var(--red); }
.good .mk { color: var(--green); }

/* ---------- How it works ---------- */
.flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; counter-reset: step; }
.flow .step { position: relative; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 22px 18px; }
.flow .step .n { font-size: .8rem; font-weight: 700; color: var(--blue-bright); letter-spacing: .1em; }
.flow .step h4 { margin: 10px 0 6px; font-size: 1.02rem; }
.flow .step p { font-size: .88rem; margin: 0; }

/* ---------- Feature deep-dive ---------- */
.feature-row { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center; }
.feature-row.rev .fr-media { order: 2; }
.feature-row + .feature-row { margin-top: clamp(56px, 8vw, 96px); }
.fr-media { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border-strong); box-shadow: var(--shadow); }
.feature-row h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); letter-spacing: -.02em; }
.mini-list { list-style: none; padding: 0; margin: 18px 0 0; }
.mini-list li { display: flex; gap: 11px; padding: 7px 0; color: var(--text-muted); }
.mini-list .mk { color: var(--cyan); font-weight: 700; }

/* ---------- Pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.plan {
  display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
}
.plan.popular { border-color: transparent; background:
  linear-gradient(var(--panel-2), var(--panel-2)) padding-box,
  var(--grad) border-box; box-shadow: var(--shadow-glow); position: relative; }
.plan .tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff; font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; padding: 5px 13px; border-radius: 999px; }
.plan .name { font-size: 1.16rem; font-weight: 700; }
.plan .desc { font-size: .88rem; color: var(--text-dim); min-height: 38px; margin-top: 4px; }
.plan .price { margin: 16px 0 2px; font-size: 2.5rem; font-weight: 750; letter-spacing: -.03em; }
.plan .price small { font-size: .95rem; font-weight: 500; color: var(--text-dim); letter-spacing: 0; }
.plan .per { font-size: .82rem; color: var(--text-dim); margin-bottom: 18px; }
.plan ul { list-style: none; padding: 0; margin: 6px 0 22px; flex: 1; }
.plan ul li { display: flex; gap: 10px; padding: 6px 0; font-size: .92rem; color: var(--text-muted); }
.plan ul .mk { color: var(--green); font-weight: 700; flex: 0 0 auto; }
.plan .btn { margin-top: auto; }
.price-note { text-align: center; color: var(--text-dim); font-size: .9rem; margin-top: 22px; }
.est { display: inline-block; font-size: .7rem; font-weight: 650; letter-spacing: .06em; text-transform: uppercase;
  color: var(--amber); border: 1px solid rgba(251,191,36,.35); background: rgba(251,191,36,.08);
  padding: 2px 8px; border-radius: 999px; vertical-align: middle; }

/* Comparison table */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table.compare { width: 100%; border-collapse: collapse; min-width: 720px; }
table.compare th, table.compare td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--border); font-size: .93rem; }
table.compare thead th { background: var(--panel-2); font-weight: 650; color: var(--text); }
table.compare td.c { text-align: center; }
table.compare tbody tr:hover { background: rgba(255,255,255,.02); }
table.compare .yes { color: var(--green); font-weight: 700; }
table.compare .no { color: var(--text-dim); }
table.compare th.plan-col.pop { color: transparent; background:
  linear-gradient(var(--panel-2),var(--panel-2)) padding-box; }
.yes-grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-weight: 700; }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; margin: 0 auto; }
.faq details { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 20px; margin-bottom: 12px; background: var(--panel); }
.faq details[open] { border-color: var(--border-strong); }
.faq summary { cursor: pointer; list-style: none; padding: 16px 0; font-weight: 600; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--blue-bright); font-size: 1.4rem; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 16px; }

/* ---------- Testimonial ---------- */
.quote-box { max-width: 820px; margin: 0 auto; text-align: center; }
.quote-box blockquote { font-size: clamp(1.3rem, 2.6vw, 1.8rem); font-weight: 550; line-height: 1.4; color: var(--text); margin: 0 0 22px; letter-spacing: -.01em; }
.quote-box .who { color: var(--text-muted); font-size: .96rem; }
.quote-box .who strong { color: var(--text); }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; border-radius: var(--radius); padding: clamp(44px, 6vw, 72px) 28px;
  background: var(--grad-soft); border: 1px solid var(--border-strong); position: relative; overflow: hidden; }
.cta-band h2 { max-width: 18ch; margin-inline: auto; }
.cta-band p { max-width: 52ch; margin-inline: auto; font-size: 1.08rem; }
.cta-band .hero-cta { justify-content: center; }

/* ---------- Forms ---------- */
.form-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(24px, 4vw, 40px); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 7px; color: var(--text); }
.field .req { color: var(--red); }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: .98rem; color: var(--text);
  background: var(--bg-2); border: 1px solid var(--border-strong); border-radius: 10px; padding: 12px 14px;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-bright); box-shadow: 0 0 0 3px rgba(79,141,255,.18);
}
.field textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-msg { margin-top: 14px; padding: 13px 16px; border-radius: 10px; font-size: .92rem; display: none; }
.form-msg.show { display: block; }
.form-msg.ok { background: rgba(52,211,153,.1); border: 1px solid rgba(52,211,153,.3); color: #a7f3d0; }
.form-msg.err { background: rgba(248,113,113,.1); border: 1px solid rgba(248,113,113,.3); color: #fecaca; }

/* ---------- Legal / prose ---------- */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { font-size: 1.4rem; margin-top: 2em; }
.prose h3 { font-size: 1.1rem; margin-top: 1.6em; }
.prose p, .prose li { color: var(--text-muted); }
.prose ul { padding-left: 20px; }
.prose .muted { color: var(--text-dim); font-size: .9rem; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 56px 0 34px; margin-top: 40px; background: rgba(0,0,0,.25); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; }
.footer-logo img { height: 30px; margin-bottom: 14px; }
.footer p { font-size: .92rem; max-width: 34ch; }
.footer h5 { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); margin: 0 0 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { color: var(--text-muted); font-size: .93rem; }
.footer ul a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border); color: var(--text-dim); font-size: .86rem; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .feature-row, .feature-row.rev { grid-template-columns: 1fr; gap: 26px; }
  .feature-row.rev .fr-media { order: -1; }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-links, .nav-actions .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
    position: absolute; top: var(--nav-h); left: 0; right: 0; padding: 14px 22px 20px;
    background: rgba(10,12,22,.98); border-bottom: 1px solid var(--border); backdrop-filter: blur(14px);
  }
  .nav.open .nav-links a { padding: 10px 0; width: 100%; }
  .split, .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}