/* ===== Reset / base ===== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

:root {
  /* Brand palette per kit README */
  --green:        #105E52;
  --green-dark:   #0B4A40;
  --green-light:  #E6F1EE;
  --coral:        #ED895A;
  --coral-tint:   #FDEFE8;
  --ink:          #121726;
  --ink-soft:     #3A4055;
  --muted:        #6B7280;
  --line:         #E5E7EB;
  --bg:           #FBFBFC;
  --card:         #FFFFFF;
  --success:      #16A34A;
  --error:        #DC2626;

  --font-sans: 'Rubik', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius:    14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(18, 23, 38, 0.06);
  --shadow-md: 0 8px 24px rgba(18, 23, 38, 0.08);
  --container: 1140px;
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .6em; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; font-weight: 600; }

p { margin: 0 0 1em; color: var(--ink-soft); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.brand-wordmark { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-weight: 700; color: var(--green); font-size: 1.15rem; letter-spacing: -0.01em; }
.brand-sub  { font-size: 0.65rem; color: var(--coral); font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; margin-top: 2px; }
.site-nav { display: flex; gap: 28px; align-items: center; }
.site-nav a { color: var(--ink-soft); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.site-nav a:hover { color: var(--green); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(180deg, var(--green-light) 0%, #fff 100%);
  padding: 80px 0 60px;
}
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center;
}
.hero-eyebrow {
  display: inline-block; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.04em;
  color: var(--green); background: #fff; padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--green-light); margin-bottom: 18px;
}
.hero h1 strong { color: var(--green); }
.hero p.lede { font-size: 1.15rem; color: var(--ink-soft); margin-top: 8px; max-width: 56ch; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; align-items: center; }
.hero-mascot {
  display: flex; align-items: center; justify-content: center;
}
.hero-mascot img { width: 100%; max-width: 380px; border-radius: 24px; box-shadow: var(--shadow-md); }

/* Hero with a device-framed app screenshot (tall iPhone shape) */
.hero-shot {
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.hero-shot img {
  width: auto;
  max-width: 320px;
  max-height: 620px;
  filter: drop-shadow(0 24px 40px rgba(18, 23, 38, 0.12));
}
/* Decorative blob behind the phone for visual warmth */
.hero-shot::before {
  content: "";
  position: absolute;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(237,137,90,0.20) 0%, rgba(237,137,90,0) 70%);
  z-index: -1;
  border-radius: 50%;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px; border-radius: var(--radius-sm);
  font-weight: 600; text-decoration: none; font-size: 1rem;
  transition: transform 0.1s ease, box-shadow 0.15s ease;
  cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-secondary { background: #fff; color: var(--green); border-color: var(--green); }
.btn-secondary:hover { background: var(--green-light); }
.btn-disabled {
  background: var(--ink); color: #fff; opacity: 0.85; cursor: not-allowed; pointer-events: none;
  display: inline-flex; align-items: center; gap: 10px;
}
.btn .badge { font-size: 0.7rem; padding: 3px 8px; background: rgba(255,255,255,0.18); border-radius: 999px; }

/* ===== Sections ===== */
section { padding: 72px 0; }
section.tight { padding: 56px 0; }
.section-head { text-align: center; margin-bottom: 48px; max-width: 720px; margin-left: auto; margin-right: auto; }
.section-head .eyebrow { color: var(--coral); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.85rem; margin-bottom: 10px; }
.section-head p { font-size: 1.1rem; color: var(--ink-soft); }

/* ===== Differentiator cards ===== */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-sm);
}
.feature-card .icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--green-light); color: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 16px;
}
.feature-card h3 { margin-bottom: 6px; color: var(--green); }
.feature-card p { margin-bottom: 0; font-size: 0.95rem; }

/* ===== NGN item-type pills ===== */
.item-types {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 32px;
}
.item-types span {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 16px; font-size: 0.9rem; color: var(--ink); font-weight: 500;
}

/* ===== Screenshot strip ===== */
.screenshot-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; align-items: end;
}
.shot {
  background: #fff; border-radius: var(--radius); padding: 20px;
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.shot img { max-height: 360px; width: auto; }
.shot .caption {
  margin-top: 16px; font-weight: 600; color: var(--green); font-size: 0.95rem;
}
.shot .sub { font-size: 0.85rem; color: var(--muted); margin-top: 2px; }

/* ===== Pricing ===== */
.pricing { background: linear-gradient(180deg, #fff 0%, var(--green-light) 100%); }
.pricing-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 800px; margin: 0 auto;
}
.price-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px; text-align: center;
}
.price-card.featured { border: 2px solid var(--green); position: relative; }
.price-card.featured::before {
  content: "Best value"; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--coral); color: #fff; padding: 5px 14px; border-radius: 999px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
}
.price-card h3 { color: var(--ink); }
.price { font-size: 2.4rem; font-weight: 700; color: var(--green); margin: 8px 0 4px; }
.price-period { color: var(--muted); font-size: 0.95rem; }
.price-card ul { list-style: none; padding: 0; margin: 22px 0; text-align: left; }
.price-card li { padding: 6px 0; color: var(--ink-soft); font-size: 0.95rem; }
.price-card li::before { content: "✓"; color: var(--green); font-weight: 700; margin-right: 8px; }

/* ===== Coming-soon strip ===== */
.coming-soon { background: var(--ink); color: #fff; }
.coming-soon .section-head h2, .coming-soon .section-head p { color: #fff; }
.coming-soon .section-head .eyebrow { color: var(--coral); }
.cs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 900px; margin: 0 auto; }
.cs-item {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm); padding: 22px; text-align: center;
}
.cs-item h4 { color: #fff; margin: 8px 0 6px; font-size: 1rem; }
.cs-item p { color: rgba(255,255,255,0.6); font-size: 0.85rem; margin: 0; }
.cs-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.cs-tag-included {
  background: rgba(22, 163, 74, 0.35);
  color: #6EE7A4;
  border: 1px solid rgba(110, 231, 164, 0.45);
}
.cs-tag-separate {
  background: rgba(237, 137, 90, 0.30);
  color: #FBB58E;
  border: 1px solid rgba(237, 137, 90, 0.55);
}

/* About-the-exam card with mascot accent */
.exam-card {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.exam-card .exam-mascot {
  flex-shrink: 0;
  width: 96px;
  height: 96px;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}
.exam-card p:last-child { margin-bottom: 0; }
@media (max-width: 540px) {
  .exam-card { flex-direction: column; align-items: center; text-align: left; }
  .exam-card .exam-mascot { width: 72px; height: 72px; }
}

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
  margin-bottom: 12px; overflow: hidden;
}
.faq-item summary {
  padding: 20px 24px; font-weight: 600; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--green); font-weight: 300; }
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-body { padding: 0 24px 22px; color: var(--ink-soft); }
.faq-item .faq-body p:last-child { margin-bottom: 0; }

/* ===== Footer ===== */
.site-footer {
  background: #fff; border-top: 1px solid var(--line); padding: 56px 0 36px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px;
}
.footer-grid h4 { color: var(--ink); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--ink-soft); text-decoration: none; font-size: 0.95rem; }
.footer-grid a:hover { color: var(--green); text-decoration: underline; }
.footer-brand p { font-size: 0.9rem; color: var(--muted); max-width: 32ch; margin: 12px 0 0; }
.footer-disclaimer {
  border-top: 1px solid var(--line); padding-top: 24px;
  font-size: 0.8rem; color: var(--muted); line-height: 1.7;
}
.footer-disclaimer p { color: var(--muted); margin-bottom: 8px; }

/* ===== Long-form pages (privacy / support) ===== */
.legal-page { padding: 80px 0 60px; }
.legal-page .container { max-width: 760px; }
.legal-page h1 { margin-bottom: 8px; }
.legal-page .updated { color: var(--muted); font-size: 0.9rem; margin-bottom: 32px; }
.legal-page h2 { margin-top: 40px; color: var(--green); }
.legal-page h3 { margin-top: 24px; color: var(--ink); }
.legal-page ul { padding-left: 22px; }
.legal-page li { margin-bottom: 8px; color: var(--ink-soft); }
.legal-page a { color: var(--green); }
.callout {
  background: var(--green-light); border-left: 4px solid var(--green);
  padding: 18px 22px; border-radius: var(--radius-sm); margin: 22px 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--green); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero { padding: 56px 0 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-mascot img { max-width: 280px; }
  .feature-grid { grid-template-columns: 1fr; }
  .screenshot-strip { grid-template-columns: repeat(2, 1fr); }
  .cs-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .site-nav { display: none; }
  section { padding: 56px 0; }
}
@media (max-width: 540px) {
  .screenshot-strip { grid-template-columns: 1fr; }
  .cs-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { justify-content: center; }
}