:root {
  --blue: #1200FF;
  --blue-deep: #0d00cc;
  --ink: #0d1424;
  --body: #3c4658;
  --muted: #8a93a6;
  --bg: #ffffff;
  --bg-alt: #f5f7fb;
  --card: #ffffff;
  --border: #e7ebf3;
  --radius: 16px;
  --shadow: 0 10px 40px rgba(18, 38, 80, 0.08);
  --max: 1040px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--body);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 0.86em;
  background: rgba(18, 0, 255, 0.1);
  color: var(--blue-deep);
  padding: 0.12em 0.4em;
  border-radius: 6px;
}

/* ---- Hero ---- */
.hero {
  background: linear-gradient(160deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff;
  padding-bottom: 90px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.0));
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.nav-icon { width: 28px; height: 28px; border-radius: 7px; }
.nav-link { color: rgba(255,255,255,0.9); font-weight: 500; }
.nav-link:hover { color: #fff; text-decoration: none; }

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 0;
  text-align: center;
}
.hero-icon {
  width: 112px;
  height: 112px;
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(8, 22, 55, 0.35);
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin: 0 0 18px;
  color: #fff;
}
.hero-sub {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.92);
  margin: 0 auto 34px;
  max-width: 540px;
}
.hero-actions { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.hero-note { font-size: 0.85rem; color: rgba(255,255,255,0.8); }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1.02rem;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: #fff;
  color: var(--blue-deep);
  box-shadow: 0 10px 30px rgba(8, 22, 55, 0.25);
}
.cta .btn-primary {
  background: linear-gradient(160deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff;
}

/* ---- Sections ---- */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px 24px;
}
.section-alt { background: var(--bg-alt); max-width: none; }
.section-alt > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  color: var(--ink);
  text-align: center;
  letter-spacing: -0.02em;
  margin: 0 0 48px;
  font-weight: 800;
}

/* ---- Steps ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: -130px;
  position: relative;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(160deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.step h3, .feature h3 { color: var(--ink); margin: 0 0 8px; font-size: 1.12rem; }
.step p, .feature p { margin: 0; color: var(--body); }

/* ---- Features ---- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}

/* ---- Other apps ---- */
.other-apps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.other-app {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  color: inherit;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}
.other-app:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 14px 38px rgba(18, 38, 80, 0.12);
  border-color: rgba(18, 0, 255, 0.2);
}
.other-app h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 1.12rem;
}
.other-app p {
  margin: 0;
  color: var(--body);
}

/* ---- CTA ---- */
.cta { text-align: center; }
.cta .section-title { margin-bottom: 28px; }

/* ---- Footer ---- */
.site-footer {
  text-align: center;
  padding: 40px 24px 56px;
  color: var(--muted);
  font-size: 0.92rem;
  border-top: 1px solid var(--border);
}
.site-footer a { color: var(--body); font-weight: 500; }
.site-footer .muted { color: var(--muted); font-size: 0.82rem; margin-top: 4px; }
.site-footer .disclaimer {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.5;
  max-width: 620px;
  margin: 18px auto 0;
}
.site-footer .disclaimer strong { color: var(--body); }

/* ---- Screenshots ---- */
.shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}
.shot { margin: 0; }
.shot img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--bg-alt);
}
.shot figcaption {
  margin-top: 14px;
  text-align: center;
  color: var(--body);
  font-size: 0.96rem;
}

/* ---- Legal / Privacy ---- */
.legal { max-width: 680px; }
.legal-title { font-size: 2rem; color: var(--ink); letter-spacing: -0.02em; margin: 0 0 10px; font-weight: 800; }
.legal-lead { font-size: 1.2rem; color: var(--ink); margin: 0 0 28px; }
.legal-list { list-style: none; padding: 0; margin: 0 0 32px; display: grid; gap: 16px; }
.legal-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
}
.legal-list strong { color: var(--ink); }
.legal-subtitle { font-size: 1.25rem; color: var(--ink); letter-spacing: -0.01em; margin: 36px 0 10px; font-weight: 700; }
.legal-foot { color: var(--muted); margin: 28px 0; }

/* ---- Responsive ---- */
@media (max-width: 760px) {
  .steps, .features, .shots, .other-apps { grid-template-columns: 1fr; }
  .steps { margin-top: -90px; }
  .section { padding: 56px 20px; }
}
