/* ============================================================
   Desipai — shared stylesheet
   Static marketing site for two automations:
   Management Accounts + POS for Spaza Shops
   ============================================================ */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fb;
  --color-ink: #0f172a;
  --color-ink-soft: #475569;
  --color-primary: #1e3a8a;      /* deep indigo */
  --color-primary-600: #2447b0;
  --color-primary-700: #16306e;
  --color-accent: #0ea579;        /* teal-green */
  --color-accent-600: #0c8c67;
  --color-border: #e2e8f0;
  --color-warn-bg: #fff7ed;

  --maxw: 1120px;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 2px 8px rgba(15, 23, 42, .05);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, .10);

  --font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-primary-600); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; color: var(--color-ink); margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.01em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; color: var(--color-ink-soft); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

.section { padding: 72px 0; }
.section--alt { background: var(--color-bg-alt); }
.section__lead { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section__lead p { font-size: 1.08rem; }

.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-accent-600);
  margin-bottom: 12px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, box-shadow .15s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--color-accent); color: #fff; }
.btn--primary:hover { background: var(--color-accent-600); color: #fff; box-shadow: var(--shadow-md); }
.btn--ghost { background: #fff; color: var(--color-primary); border-color: var(--color-border); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.4); }
.btn--light:hover { background: rgba(255,255,255,.24); color: #fff; }
.btn--lg { padding: 16px 30px; font-size: 1.06rem; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.22rem; color: var(--color-ink); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand__mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1rem;
}
.brand__mark span { color: #fff; }
.nav__links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav__links a { color: var(--color-ink-soft); font-weight: 500; }
.nav__links a:hover { color: var(--color-primary); text-decoration: none; }
.nav__toggle { display: none; background: none; border: 0; font-size: 1.6rem; cursor: pointer; color: var(--color-ink); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(14,165,121,.12), transparent),
    linear-gradient(180deg, #f8fafc, #ffffff);
  padding: 84px 0 64px;
}
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero h1 { margin-bottom: 18px; }
.hero p.lead { font-size: 1.18rem; color: var(--color-ink-soft); max-width: 540px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero__panel {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-700));
  border-radius: var(--radius); padding: 32px; color: #e8edff; box-shadow: var(--shadow-md);
}
.hero__panel h3 { color: #fff; }
.hero__panel ul { list-style: none; margin: 12px 0 0; padding: 0; }
.hero__panel li { padding: 9px 0; border-top: 1px solid rgba(255,255,255,.14); color: #cdd8ff; }
.hero__panel li:first-child { border-top: 0; }

/* ---------- Product cards ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: transform .12s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card__icon {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: var(--color-bg-alt); font-size: 1.5rem; margin-bottom: 18px;
}
.card h3 { font-size: 1.4rem; }
.card p { flex: 1; }
.card__foot { margin-top: 18px; }

/* ---------- Feature / benefit lists ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 26px; }
.feature h3 { font-size: 1.12rem; }
.feature__icon { font-size: 1.6rem; margin-bottom: 10px; }

.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li { position: relative; padding: 8px 0 8px 32px; color: var(--color-ink-soft); }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 8px;
  width: 22px; height: 22px; border-radius: 50%; background: rgba(14,165,121,.12);
  color: var(--color-accent-600); font-weight: 700; font-size: .8rem; display: grid; place-items: center;
}

/* ---------- Split content (product pages) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split--reverse .split__media { order: -1; }
.panel-card {
  background: var(--color-bg-alt); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 30px;
}

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 26px; }
.step__num {
  counter-increment: step; width: 36px; height: 36px; border-radius: 50%;
  background: var(--color-primary); color: #fff; display: grid; place-items: center;
  font-weight: 700; margin-bottom: 14px;
}
.step__num::before { content: counter(step); }

/* ---------- Pricing ---------- */
.price-tag { font-size: 2.2rem; font-weight: 800; color: var(--color-ink); }
.price-tag small { font-size: .95rem; font-weight: 500; color: var(--color-ink-soft); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; border-radius: var(--radius); padding: 48px; text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.9); max-width: 560px; margin: 0 auto 24px; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 0 20px; margin-bottom: 12px;
}
.faq summary { cursor: pointer; font-weight: 600; padding: 18px 0; list-style: none; color: var(--color-ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; font-size: 1.4rem; color: var(--color-accent-600); line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details > p { padding-bottom: 18px; margin: 0; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: .9rem; padding: 18px 0 0; }
.breadcrumb a { color: var(--color-ink-soft); }
.breadcrumb span { color: var(--color-ink); }

/* ---------- Contact form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: .92rem; color: var(--color-ink); }
.field input, .field select, .field textarea {
  font: inherit; padding: 12px 14px; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); background: #fff; color: var(--color-ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid rgba(30,58,138,.35); border-color: var(--color-primary);
}
.field textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: .85rem; color: var(--color-ink-soft); }
.form-callout {
  background: var(--color-warn-bg); border: 1px dashed #fdba74; border-radius: var(--radius-sm);
  padding: 14px 16px; font-size: .9rem; color: #9a3412; margin-bottom: 24px;
}

/* ---------- Footer ---------- */
.site-footer { background: #0b1220; color: #94a3b8; padding: 56px 0 28px; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
.footer-brand .brand { color: #fff; }
.footer-col h4 { color: #fff; font-size: .95rem; margin: 0 0 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; font-size: .85rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-32 { margin-top: 32px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero__grid, .split, .cards, .features, .steps, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .nav__links {
    position: absolute; top: 64px; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 20px 16px;
    border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-sm);
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links li { width: 100%; padding: 6px 0; }
  .nav__toggle { display: block; }
  .cta-band { padding: 36px 22px; }
  .section { padding: 56px 0; }
}