:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --border: #e5e7eb;
  --border-strong: #d8dbe0;
  --text: #101828;
  --text-muted: #667085;
  --text-faint: #98a2b3;
  --primary: #0ea5e9;
  --primary-hover: #0284c7;
  --primary-dark: #075985;
  --primary-soft: #e0f2fe;
  --primary-border: #bae6fd;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 6px 16px -6px rgba(16, 24, 40, 0.10);
  --shadow-md: 0 4px 10px -2px rgba(16, 24, 40, 0.08), 0 14px 28px -10px rgba(16, 24, 40, 0.12);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

svg.icon { flex-shrink: 0; display: block; }
a { color: inherit; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- nav ---------- */

.landing-nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.landing-nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.landing-brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 16px; letter-spacing: -0.01em; text-decoration: none; color: var(--text); }
.landing-brand .brand-mark {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; background: var(--primary); color: #fff; border-radius: 9px;
}

/* ---------- buttons ---------- */

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--primary); color: #fff;
  border: 1px solid var(--primary);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 14.5px; font-weight: 600;
  text-decoration: none;
  transition: background .15s, transform .1s;
  box-shadow: var(--shadow-sm);
}
.button:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.button-lg { padding: 14px 26px; font-size: 15.5px; border-radius: var(--radius-sm); }
.button-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); box-shadow: none; }
.button-ghost:hover { background: var(--surface-2); }

/* ---------- hero ---------- */

.landing-hero {
  max-width: 780px; margin: 0 auto; padding: 90px 24px 70px; text-align: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-soft); color: var(--primary-dark);
  font-size: 12.5px; font-weight: 700; letter-spacing: .02em;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.landing-hero h1 {
  font-size: 44px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.12;
  margin: 0 0 20px; color: var(--text);
}
.landing-hero p {
  font-size: 17px; color: var(--text-muted); line-height: 1.6;
  max-width: 600px; margin: 0 auto 34px;
}
.landing-hero-actions { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ---------- preview mock ---------- */

.hero-mock {
  max-width: 900px; margin: 0 auto; padding: 0 24px 80px;
}
.hero-mock-frame {
  background: linear-gradient(160deg, var(--primary-soft), #ffffff 55%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.hero-mock-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}
.hero-mock-item .mock-icon {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; background: var(--primary-soft); color: var(--primary-hover);
  border-radius: 9px; margin-bottom: 12px;
}
.hero-mock-item strong { display: block; font-size: 13.5px; margin-bottom: 4px; }
.hero-mock-item span { font-size: 12px; color: var(--text-muted); line-height: 1.4; }

/* ---------- sections ---------- */

.landing-section { padding: 60px 24px; }
.section-eyebrow {
  text-align: center; text-transform: uppercase; letter-spacing: .08em;
  font-size: 12px; font-weight: 700; color: var(--primary-hover); margin-bottom: 10px;
}
.section-title { text-align: center; font-size: 30px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 14px; }
.section-desc { text-align: center; color: var(--text-muted); font-size: 15.5px; max-width: 560px; margin: 0 auto 48px; line-height: 1.6; }

.feature-grid {
  max-width: 1080px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px;
}
.feature-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px 24px; box-shadow: var(--shadow-sm);
}
.feature-card .feature-card-icon {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; background: var(--primary-soft); color: var(--primary-hover);
  border-radius: 11px; margin-bottom: 16px;
}
.feature-card h3 { font-size: 16px; font-weight: 700; margin: 0 0 8px; letter-spacing: -0.01em; }
.feature-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.55; margin: 0; }

/* ---------- steps ---------- */

.steps-grid {
  max-width: 900px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px;
}
.step-card { text-align: center; padding: 0 12px; }
.step-number {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; margin: 0 auto 16px;
  background: var(--primary); color: #fff; font-weight: 800; font-size: 15px;
  border-radius: 50%;
}
.step-card h3 { font-size: 15.5px; font-weight: 700; margin: 0 0 8px; }
.step-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.55; margin: 0; }

/* ---------- cta ---------- */

.landing-cta {
  max-width: 1080px; margin: 20px auto 70px; padding: 0 24px;
}
.landing-cta-inner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-hover));
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  color: #fff;
}
.landing-cta-inner h2 { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 12px; }
.landing-cta-inner p { font-size: 15px; opacity: .9; margin: 0 0 28px; }
.landing-cta-inner .button { background: #fff; color: var(--primary-dark); border-color: #fff; }
.landing-cta-inner .button:hover { background: #f0f9ff; }

/* ---------- footer ---------- */

.landing-footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  color: var(--text-faint);
  font-size: 13px;
}

/* ---------- responsive ---------- */

@media (max-width: 720px) {
  .landing-hero h1 { font-size: 32px; }
  .hero-mock-frame { grid-template-columns: repeat(2, 1fr); padding: 24px; }
  .section-title { font-size: 24px; }
}