/* ImbasDoc — laman utama (marketing/frontpage), berasingan daripada
   style.css yang khusus untuk antara muka app.html. Palet warna & fon sama
   supaya jenama kekal konsisten, tapi susun atur di sini ialah gaya laman
   korporat (nav, hero, ciri-ciri, CTA, footer) — bukan gaya "app dalam
   bingkai telefon". */

:root {
  --paper: #F7F3EA;
  --ink: #22303D;
  --ink-soft: #5B6B78;
  --line: #E1D8C6;
  --card: #FFFFFF;
  --carbon: #E39AA5;
  --stamp: #B94636;
  --stamp-dark: #7A2E22;
  --gold: #C89A46;
  --navy-deep: #12181D;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.5;
}

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

a { color: inherit; }

/* --- Nav --- */
.site-nav {
  position: sticky; top: 0; z-index: 20; background: rgba(247,243,234,0.92);
  backdrop-filter: blur(6px); border-bottom: 1px solid var(--line);
}
.site-nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-family: 'Space Mono', monospace; font-weight: 700; font-size: 21px; letter-spacing: -0.5px; text-decoration: none; }
.logo span { color: var(--stamp); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a.nav-link { font-size: 14px; font-weight: 500; text-decoration: none; color: var(--ink-soft); }
.nav-links a.nav-link:hover { color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 600; font-size: 14px; text-decoration: none;
  border-radius: 8px; padding: 11px 22px; border: none; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--stamp); color: #fff; }
.btn-primary:hover { background: var(--stamp-dark); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink-soft); }
.btn-lg { padding: 15px 30px; font-size: 15px; }

/* --- Hero --- */
.hero { padding: 84px 0 64px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.eyebrow {
  font-family: 'Space Mono', monospace; font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--stamp-dark); background: #F3DDDA; display: inline-block; padding: 6px 12px; border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 { font-size: 44px; line-height: 1.12; margin: 0 0 20px; letter-spacing: -0.5px; }
.hero h1 em { font-style: normal; color: var(--stamp); }
.hero p.lead { font-size: 17px; color: var(--ink-soft); margin: 0 0 32px; max-width: 480px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--ink-soft); }

.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; display: block; }

/* --- Logo strip / assurance row --- */
.assurance { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 28px 0; background: var(--card); }
.assurance .wrap { display: flex; flex-wrap: wrap; gap: 28px; justify-content: space-between; }
.assurance-item { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-soft); font-weight: 500; }
.assurance-item svg { flex: 0 0 auto; color: var(--stamp); }

/* --- Features --- */
.features { padding: 88px 0; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 56px; }
.section-head .eyebrow { margin-bottom: 16px; }
.section-head h2 { font-size: 32px; margin: 0 0 14px; letter-spacing: -0.3px; }
.section-head p { color: var(--ink-soft); font-size: 16px; margin: 0; }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 28px 24px;
  position: relative;
}
.feature-icon {
  width: 46px; height: 46px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 16px; margin: 0 0 8px; }
.feature-card p { font-size: 13.5px; color: var(--ink-soft); margin: 0; line-height: 1.55; }

/* --- CTA band --- */
.cta-band {
  background: var(--navy-deep); border-radius: 20px; padding: 56px 48px; margin: 0 24px 88px;
  max-width: 1092px; margin-left: auto; margin-right: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; font-size: 26px; margin: 0 0 8px; letter-spacing: -0.3px; }
.cta-band p { color: #A9B4BC; margin: 0; font-size: 14.5px; }
.cta-band-text { flex: 1; min-width: 260px; }

/* --- Footer --- */
.site-footer { border-top: 1px solid var(--line); padding: 20px 0 28px; }
.site-footer .wrap { text-align: center; font-size: 13px; color: var(--ink-soft); }

/* --- Responsive --- */
@media (max-width: 980px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 420px; margin: 0 auto; }
  .hero { padding: 48px 0 40px; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .nav-links .nav-link { display: none; }
}
@media (max-width: 620px) {
  .hero h1 { font-size: 32px; }
  .feature-grid { grid-template-columns: 1fr; }
  .assurance .wrap { justify-content: center; text-align: center; }
  .cta-band { padding: 40px 28px; flex-direction: column; text-align: center; margin-left: 16px; margin-right: 16px; }
}