/* Northline Growth — light CF-style, high contrast, mobile-first */

:root {
  --navy: #0B1B33;
  --navy-2: #132844;
  --ink: #1a2332;
  --muted: #5b6b7c;
  --muted-2: #7a8796;
  --line: #e6ebf2;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --green: #0db86a;
  --green-bright: #16F28B;
  --green-soft: #e8f8f1;
  --green-glow: rgba(13, 184, 106, 0.22);
  --warn: #b45309;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(11, 27, 51, 0.08);
  --shadow-lg: 0 24px 60px rgba(11, 27, 51, 0.12);
  --max: 1080px;
  --pad: clamp(1rem, 4vw, 1.75rem);
  --sticky-h: 68px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --display: "Plus Jakarta Sans", Inter, system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(var(--sticky-h) + env(safe-area-inset-bottom, 0px));
}
img { max-width: 100%; display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(100% - 2 * var(--pad), var(--max)); margin-inline: auto; }
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--navy); color: #fff; padding: 0.5rem 1rem; z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 70px;
  padding: 0.65rem 0;
}
.brand { display: flex; align-items: center; gap: 0.7rem; color: var(--navy); text-decoration: none; }
.brand:hover { text-decoration: none; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(145deg, var(--green-bright), var(--green));
  color: #04140c;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: -0.02em;
  display: grid; place-items: center;
  box-shadow: 0 0 0 3px var(--green-glow);
  flex-shrink: 0;
}
.brand-text strong {
  display: block;
  font-family: var(--display);
  font-size: 0.98rem;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.brand-text span { display: block; font-size: 0.68rem; color: var(--muted); margin-top: 1px; font-weight: 600; }
.nav-cta { display: none; gap: 0.5rem; align-items: center; }
@media (min-width: 720px) { .nav-cta { display: flex; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  border-radius: 999px;
  padding: 0.78rem 1.2rem;
  font-weight: 700;
  font-size: 0.92rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
  min-height: 44px;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 10px 24px rgba(13, 184, 106, 0.28);
}
.btn-primary:hover { background: #0a9a58; }
.btn-ghost {
  background: #fff;
  color: var(--navy);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: #c9d3e0; }
.btn-lg { padding: 0.95rem 1.4rem; font-size: 1rem; min-height: 48px; }

/* Hero */
.hero {
  position: relative;
  padding: 2.75rem 0 2.25rem;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(13, 184, 106, 0.14), transparent 60%),
    radial-gradient(700px 380px at 0% 20%, rgba(11, 27, 51, 0.05), transparent 55%),
    linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%);
  overflow: hidden;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  color: #0a7a4a;
  background: var(--green-soft);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  margin: 0 0 1rem;
}
.hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--display);
  font-size: clamp(1.9rem, 5.5vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--navy);
  max-width: 18ch;
  font-weight: 800;
}
.lead {
  margin: 0 0 1.35rem;
  color: var(--muted);
  font-size: clamp(1.02rem, 2.5vw, 1.12rem);
  max-width: 42ch;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 0.65rem;
  margin-bottom: 0.75rem;
}
.cta-note {
  margin: 0 0 1.25rem;
  font-size: 0.88rem;
  color: var(--muted-2);
  font-weight: 600;
}
.trust-row {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}
.trust-row span { display: inline-flex; align-items: center; gap: 0.35rem; }
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px var(--green-glow);
  flex-shrink: 0;
}

.proof-strip {
  background: var(--navy);
  color: #fff;
  padding: 1.05rem 0;
}
.proof-inner {
  display: flex; flex-wrap: wrap; gap: 0.65rem 1.35rem;
  align-items: center; font-size: 0.9rem; font-weight: 600;
}
.proof-inner strong { color: #fff; }
.proof-inner span { opacity: 0.85; font-weight: 500; }

/* Sections */
section { padding: 3.25rem 0; }
section.alt { background: var(--bg-soft); border-block: 1px solid var(--line); }
.section-kicker {
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}
h2 {
  margin: 0 0 0.65rem;
  font-family: var(--display);
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--navy);
}
.section-lead {
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 52ch;
  font-size: 1.02rem;
}
.warn { color: var(--warn); }

/* Cards / grids */
.grid { display: grid; gap: 0.95rem; }
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  box-shadow: var(--shadow);
  height: 100%;
}
.card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.card p { margin: 0; color: var(--muted); font-size: 0.94rem; }
.card .icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  border: 1px solid rgba(13, 184, 106, 0.2);
}
.pill {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--green);
  margin-bottom: 0.45rem;
}

.chip-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.5rem; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow);
}

/* Steps */
.steps { counter-reset: step; }
.step {
  position: relative;
  padding-left: 3.1rem;
  margin-bottom: 1.35rem;
}
.step:last-child { margin-bottom: 0; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 2.2rem; height: 2.2rem;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-weight: 800;
  display: grid; place-items: center;
  font-size: 0.9rem;
}
.step h3 { margin: 0.15rem 0 0.35rem; font-size: 1.08rem; color: var(--navy); font-family: var(--display); }
.step p { margin: 0; color: var(--muted); }

.split { display: grid; gap: 0.95rem; }
@media (min-width: 720px) {
  .split { grid-template-columns: 1.2fr 0.8fr; }
}
.list { list-style: none; margin: 0; padding: 0; }
.list li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.65rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.list li:last-child { border-bottom: 0; }
.list li::before {
  content: "✓";
  position: absolute; left: 0; color: var(--green); font-weight: 800;
}
.list.not li::before { content: "×"; color: #dc2626; }
.note {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--muted-2);
}

/* Ladder */
.ladder { display: grid; gap: 0.7rem; }
.ladder-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  box-shadow: var(--shadow);
}
.ladder-item .rung {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  background: var(--navy);
  border-radius: 8px;
  padding: 0.4rem 0.55rem;
  white-space: nowrap;
}
.ladder-item.core {
  border-color: rgba(13, 184, 106, 0.45);
  box-shadow: 0 0 0 3px var(--green-glow), var(--shadow);
}
.ladder-item.core .rung { background: var(--green); }
.ladder-item h3 { margin: 0 0 0.25rem; font-size: 1.02rem; color: var(--navy); font-family: var(--display); }
.ladder-item p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.est {
  display: inline-block;
  margin-top: 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--warn);
  letter-spacing: 0.02em;
}

/* FAQ */
details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.95rem 1.1rem;
  margin-bottom: 0.6rem;
  box-shadow: var(--shadow);
}
summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--navy);
  min-height: 44px;
  align-items: center;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--green); font-weight: 800; }
details[open] summary::after { content: "–"; }
details p { margin: 0.65rem 0 0; color: var(--muted); font-size: 0.94rem; }

/* Final CTA band */
.cta-band {
  background:
    radial-gradient(ellipse at 80% 0%, rgba(13, 184, 106, 0.28), transparent 55%),
    linear-gradient(135deg, #0B1B33, #17345c);
  border-radius: calc(var(--radius) + 6px);
  padding: 2rem 1.35rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  color: #fff;
}
.cta-band .section-kicker { color: var(--green-bright); }
.cta-band h2 { color: #fff; margin-bottom: 0.5rem; }
.cta-band .section-lead {
  margin-inline: auto;
  margin-bottom: 1.25rem;
  color: rgba(255, 255, 255, 0.78);
}
.cta-band .btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}
.cta-band .btn-ghost:hover { border-color: #fff; }
.cta-actions {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.65rem;
}

/* Footer */
footer {
  padding: 2.75rem 0 1.5rem;
  border-top: 1px solid var(--line);
  background: #071222;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  gap: 1.75rem;
  margin-bottom: 1.75rem;
}
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.footer-brand strong {
  display: block;
  color: #fff;
  font-family: var(--display);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}
.footer-brand p { margin: 0; max-width: 22rem; line-height: 1.55; }
.footer-col h4 {
  margin: 0 0 0.75rem;
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}
.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin: 0.4rem 0;
  min-height: 28px;
}
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  justify-content: space-between;
  font-size: 0.82rem;
}

/* Sticky mobile CTA */
.sticky-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 0.5rem;
  padding: 0.65rem var(--pad) calc(0.65rem + env(safe-area-inset-bottom, 0px));
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -8px 24px rgba(11, 27, 51, 0.08);
}
.sticky-cta .btn { border-radius: 12px; width: 100%; }
@media (min-width: 900px) {
  .sticky-cta { display: none; }
  body { padding-bottom: 0; }
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}
