/* ==========================================================================
   margnOS — margnos.com shared stylesheet
   Light marketing canvas + navy hero/bands, emerald primary, Montserrat.
   ========================================================================== */

:root {
  --navy: #0f131b;
  --navy-2: #1a2230;
  --navy-3: #262a32;
  --emerald: #10b981;
  --emerald-dark: #0e9e74;
  --blue: #23acf1;
  --indigo: #7c7cf8;
  --mint: #6ffbbe;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --bg: #f5f5f7;
  --card: #ffffff;
  --border: #d2d2d7;
  --on-dark: #dfe2ed;
  --on-dark-muted: #9aa3b2;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  letter-spacing: 0.15px;
  line-height: 1.55;
}

a { color: var(--emerald-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ── Navigation ─────────────────────────────────────────────────────────── */

.nav {
  background: var(--navy);
  position: sticky; top: 0; z-index: 50;
}
.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; gap: 28px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  color: #fff; font-weight: 700; font-size: 18px;
  text-decoration: none !important;
}
.nav-brand svg { height: 30px; width: 30px; display: block; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a {
  color: var(--on-dark-muted); font-size: 13.5px; font-weight: 500;
  text-decoration: none;
}
.nav-links a:hover { color: #fff; text-decoration: none; }
.nav-cta {
  background: var(--emerald); color: #fff !important; font-weight: 600;
  font-size: 13.5px; padding: 9px 16px; border-radius: 9px;
  text-decoration: none !important;
}
.nav-cta:hover { background: var(--emerald-dark); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* ── Buttons ────────────────────────────────────────────────────────────── */

.btn {
  display: inline-block; font-weight: 600; font-size: 15px;
  padding: 13px 22px; border-radius: 10px; cursor: pointer;
  border: none; font-family: inherit; letter-spacing: 0.15px;
  text-decoration: none !important; transition: background 0.15s, border 0.15s;
}
.btn-primary { background: var(--emerald); color: #fff; }
.btn-primary:hover { background: var(--emerald-dark); }
.btn-outline-light {
  background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.35);
}
.btn-outline-light:hover { border-color: #fff; }
.btn-outline {
  background: transparent; color: var(--ink); border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--ink); }
.btn[disabled], .btn.disabled {
  background: #b9e6d3; color: #fff; cursor: not-allowed; pointer-events: none;
}
.btn-sm { font-size: 13.5px; padding: 9px 16px; border-radius: 9px; }

/* ── Hero (navy) ────────────────────────────────────────────────────────── */

.hero {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff; padding: 72px 0 84px;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px;
  align-items: center;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
.hero h1 { font-size: 40px; line-height: 1.15; font-weight: 800; margin-bottom: 18px; }
.hero p.lead {
  font-size: 16.5px; color: var(--on-dark-muted); margin-bottom: 30px;
  max-width: 520px;
}
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.hero .fine { font-size: 12.5px; color: var(--on-dark-muted); }

/* CSS product mockup — kanban window */
.mock {
  background: var(--navy-2); border: 1px solid var(--navy-3);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.mock-bar {
  display: flex; gap: 6px; padding: 10px 12px;
  background: var(--navy); border-bottom: 1px solid var(--navy-3);
}
.mock-bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--navy-3); display: block;
}
.mock-bar span:first-child { background: #3a4048; }
.mock-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 14px; }
.mock-col { background: var(--navy); border-radius: 10px; padding: 10px; }
.mock-col-title {
  font-size: 9.5px; letter-spacing: 1.2px; font-weight: 700;
  color: var(--on-dark-muted); margin-bottom: 8px;
}
.mock-card {
  background: var(--navy-3); border-radius: 8px; padding: 9px 10px;
  margin-bottom: 8px; border: 1px solid #31363f;
}
.mock-itn {
  font-family: "Courier New", monospace; font-size: 10.5px; font-weight: 700;
  color: var(--mint); margin-bottom: 3px;
}
.mock-title { font-size: 10.5px; color: var(--on-dark); margin-bottom: 6px; }
.mock-pill {
  display: inline-block; font-size: 9px; font-weight: 700; letter-spacing: 0.4px;
  padding: 2px 7px; border-radius: 999px;
}
.pill-intake { background: rgba(35, 172, 241, 0.18); color: var(--blue); }
.pill-listed { background: rgba(124, 124, 248, 0.20); color: #b9b9ff; }
.pill-sold { background: rgba(16, 185, 129, 0.20); color: var(--mint); }
.mock-price { float: right; font-size: 10.5px; font-weight: 700; color: var(--on-dark); }

/* ── Sections ───────────────────────────────────────────────────────────── */

.section { padding: 72px 0; }
.section-alt { background: #fff; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section-head h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.section-head p { font-size: 15.5px; color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.card .icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(16, 185, 129, 0.10); margin-bottom: 14px;
  font-size: 19px;
}
.card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 13.5px; color: var(--muted); }

/* ── Pricing ────────────────────────────────────────────────────────────── */

.pricing-toggle {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin-bottom: 28px; font-size: 13.5px; color: var(--muted);
}
.pricing-toggle .active { color: var(--ink); font-weight: 600; }
.save-badge {
  font-size: 11px; background: var(--emerald); color: #fff;
  padding: 2px 8px; border-radius: 20px; font-weight: 600;
}
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; } }
.plan {
  background: var(--card); border: 2px solid var(--border);
  border-radius: 16px; padding: 26px; display: flex; flex-direction: column;
}
.plan.popular { border-color: var(--emerald); position: relative; }
.plan .badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--emerald); color: #fff; font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.6px; padding: 3px 12px; border-radius: 999px;
}
.plan h3 { font-size: 18px; font-weight: 700; }
.plan .desc { font-size: 12.5px; color: var(--muted); margin: 6px 0 16px; }
.plan .price { font-size: 32px; font-weight: 800; color: var(--ink); }
.plan .price span { font-size: 13px; font-weight: 400; color: var(--muted); }
.plan ul { list-style: none; margin: 18px 0 22px; flex: 1; }
.plan li {
  font-size: 13.5px; color: var(--ink); padding: 5px 0 5px 24px;
  position: relative;
}
.plan li::before {
  content: "✓"; position: absolute; left: 0; color: var(--emerald);
  font-weight: 700;
}
.plan .btn { text-align: center; }
.pricing-note { text-align: center; font-size: 12.5px; color: var(--muted); margin-top: 20px; }

/* ── CTA band ───────────────────────────────────────────────────────────── */

.cta-band {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff; text-align: center; padding: 64px 0;
}
.cta-band h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.cta-band p { color: var(--on-dark-muted); font-size: 15px; margin-bottom: 26px; }

/* ── FAQ ────────────────────────────────────────────────────────────────── */

.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 20px; margin-bottom: 12px;
}
.faq summary {
  font-size: 14.5px; font-weight: 600; cursor: pointer; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--muted); font-weight: 700; }
.faq details[open] summary::after { content: "−"; }
.faq p { font-size: 13.5px; color: var(--muted); margin-top: 10px; }

/* ── Footer ─────────────────────────────────────────────────────────────── */

.footer { background: var(--navy); color: var(--on-dark-muted); padding: 48px 0 32px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 28px;
  margin-bottom: 32px;
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer .brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; }
.footer .brand svg { height: 26px; width: 26px; }
.footer p.tag { font-size: 12.5px; margin-top: 10px; max-width: 240px; }
.footer h4 {
  color: #fff; font-size: 11px; letter-spacing: 1.1px; font-weight: 700;
  margin-bottom: 12px; text-transform: uppercase;
}
.footer a { color: var(--on-dark-muted); font-size: 13px; display: block; padding: 3px 0; text-decoration: none; }
.footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--navy-3); padding-top: 20px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 12px;
}

/* ── Legal pages ────────────────────────────────────────────────────────── */

.legal { max-width: 760px; margin: 0 auto; padding: 56px 24px 72px; }
.legal h1 { font-size: 30px; font-weight: 800; margin-bottom: 6px; }
.legal .updated { font-size: 13px; color: var(--muted); margin-bottom: 32px; }
.legal h2 { font-size: 18px; font-weight: 700; margin: 30px 0 10px; }
.legal h3 { font-size: 15px; font-weight: 700; margin: 20px 0 8px; }
.legal p, .legal li { font-size: 14px; color: #3c3c43; margin-bottom: 10px; }
.legal ul { padding-left: 22px; }
.legal .note {
  background: #ecfdf5; border: 1px solid #a7f3d0; border-radius: 10px;
  padding: 14px 18px; font-size: 13.5px; color: #065f46; margin-bottom: 28px;
}