/* ─────────────────────────────────────────────────────────────────────────
   BuyMoreTop marketing site — shared styles
   Palette pulled from logistics_app/lib/login_page.dart so the marketing
   site and the consumer app share the same visual identity.
   ───────────────────────────────────────────────────────────────────────── */

:root {
  /* Dark navy (hero) */
  --bg-dark-1: #06101F;
  --bg-dark-2: #0B1730;
  --bg-dark-3: #13213A;

  /* Accent / CTA */
  --accent: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-soft: rgba(37, 99, 235, 0.12);

  /* Light surfaces */
  --bg-light: #F7FAFF;
  --bg-card: #FFFFFF;
  --border: #E5E7EB;
  --border-soft: rgba(15, 23, 42, 0.08);

  /* Text */
  --text-strong: #0F172A;
  --text: #1B2A45;
  --text-muted: #64748B;
  --text-on-dark: #EAF1FF;
  --text-on-dark-muted: #94A3B8;

  /* Misc */
  --success: #16A34A;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  --maxw: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC",
               "PingFang TC", "Microsoft JhengHei", "Helvetica Neue", Arial,
               sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg-card);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

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

/* ── Layout ───────────────────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }
@media (max-width: 720px) { section { padding: 56px 0; } }

/* ── Top nav ─────────────────────────────────────────────────────────── */

.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 18px; color: var(--text-strong);
}
.brand-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, #60A5FA 100%);
  display: inline-block;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  color: var(--text); font-weight: 500; font-size: 14px;
}
.nav-links a:hover { color: var(--text-strong); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-pill);
  background: var(--accent); color: #fff !important; font-weight: 600;
  font-size: 14px;
}
.nav-cta:hover { background: var(--accent-hover); color: #fff; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--text-strong);
  margin: 5px 0; border-radius: 2px;
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; padding: 16px 24px;
    border-bottom: 1px solid var(--border-soft);
    box-shadow: var(--shadow);
  }
  .nav-toggle { display: block; }
}

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

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 14px 26px; border-radius: var(--radius-pill);
  font-weight: 600; font-size: 15px; text-decoration: none;
  border: 1.5px solid transparent; transition: all 0.18s ease;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff !important; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.08); color: #fff !important;
  border-color: rgba(255, 255, 255, 0.22);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.14); }
.btn-outline {
  background: transparent; color: var(--accent) !important;
  border-color: var(--accent);
}
.btn-outline:hover { background: var(--accent-soft); }

/* ── Hero ────────────────────────────────────────────────────────────── */

.hero {
  background: linear-gradient(180deg, var(--bg-dark-1) 0%, var(--bg-dark-2) 60%, var(--bg-dark-3) 100%);
  color: var(--text-on-dark);
  padding: 96px 0 112px;
  position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 10%, rgba(37, 99, 235, 0.18), transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(96, 165, 250, 0.12), transparent 50%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.hero h1 {
  margin: 0 0 20px;
  font-size: 48px; line-height: 1.18; font-weight: 800;
  letter-spacing: -0.01em;
}
.hero h1 .accent { color: #60A5FA; }
.hero .lead {
  margin: 0 0 36px;
  font-size: 19px; color: var(--text-on-dark-muted); line-height: 1.6;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 720px) {
  .hero h1 { font-size: 32px; }
  .hero .lead { font-size: 16px; }
}

/* ── Trust strip ────────────────────────────────────────────────────── */

.trust {
  background: #fff;
  border-bottom: 1px solid var(--border-soft);
  padding: 24px 0;
}
.trust-row {
  display: flex; gap: 32px; flex-wrap: wrap;
  justify-content: center; align-items: center;
  color: var(--text-muted); font-size: 14px;
}
.trust-row span { display: inline-flex; align-items: center; gap: 8px; }
.trust-row .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-muted); }

/* ── Section header ─────────────────────────────────────────────────── */

.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-block; padding: 6px 14px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--accent); background: var(--accent-soft);
  border-radius: var(--radius-pill); text-transform: uppercase;
  margin-bottom: 16px;
}
.section-head h2 {
  margin: 0 0 12px;
  font-size: 34px; font-weight: 800; color: var(--text-strong);
  letter-spacing: -0.01em;
}
.section-head p { margin: 0; color: var(--text-muted); font-size: 17px; }

/* ── Feature grid ───────────────────────────────────────────────────── */

.features { background: var(--bg-light); }
.feature-grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 980px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.feature-card:hover {
  transform: translateY(-2px); box-shadow: var(--shadow);
  border-color: rgba(37, 99, 235, 0.35);
}
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-soft); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 16px;
}
.feature-card h3 {
  margin: 0 0 8px;
  font-size: 17px; font-weight: 700; color: var(--text-strong);
}
.feature-card p { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.6; }

/* ── How it works ───────────────────────────────────────────────────── */

.steps { background: #fff; }
.step-grid {
  display: grid; gap: 24px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 780px) { .step-grid { grid-template-columns: 1fr; } }
.step {
  padding: 28px; border: 1px solid var(--border);
  border-radius: var(--radius-lg); position: relative;
}
.step-num {
  position: absolute; top: -16px; left: 24px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}
.step h3 { margin: 8px 0 8px; font-size: 18px; color: var(--text-strong); }
.step p { margin: 0; color: var(--text-muted); font-size: 14px; }

/* ── CTA block ──────────────────────────────────────────────────────── */

.cta-block {
  background: linear-gradient(135deg, var(--bg-dark-2) 0%, var(--bg-dark-3) 100%);
  color: #fff;
  border-radius: var(--radius-lg); padding: 48px;
  text-align: center;
}
.cta-block h2 { margin: 0 0 12px; font-size: 28px; font-weight: 800; }
.cta-block p { margin: 0 0 28px; color: var(--text-on-dark-muted); }
.cta-actions { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

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

.footer {
  background: var(--bg-dark-1); color: var(--text-on-dark-muted);
  padding: 48px 0 32px; font-size: 14px;
}
.footer-grid {
  display: grid; gap: 32px;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  margin-bottom: 32px;
}
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h4 {
  margin: 0 0 12px; color: #fff;
  font-size: 13px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer a { color: var(--text-on-dark-muted); display: block; padding: 4px 0; }
.footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: space-between; align-items: center;
}

/* ── Legal pages (privacy / terms) ──────────────────────────────────── */

.legal {
  max-width: 800px; margin: 0 auto; padding: 64px 24px 96px;
}
.legal h1 {
  margin: 0 0 8px;
  font-size: 34px; font-weight: 800; color: var(--text-strong);
}
.legal .updated {
  color: var(--text-muted); font-size: 14px; margin: 0 0 32px;
}
.legal h2 {
  margin: 40px 0 12px;
  font-size: 20px; color: var(--text-strong); font-weight: 700;
}
.legal h3 {
  margin: 24px 0 8px;
  font-size: 16px; color: var(--text-strong); font-weight: 700;
}
.legal p, .legal li {
  font-size: 15px; color: var(--text); line-height: 1.78;
}
.legal ul, .legal ol { padding-left: 22px; }
.legal li { margin-bottom: 6px; }
.legal strong { color: var(--text-strong); }
.legal hr {
  border: 0; border-top: 1px solid var(--border-soft);
  margin: 40px 0;
}
.legal .toc {
  background: var(--bg-light); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 20px 24px; margin: 24px 0 8px;
}
.legal .toc h3 { margin: 0 0 8px; font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.legal .toc ol { margin: 0; }