*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #43eb34;
  --blue: #2b7cff;
--text: #1a1a2e;
  --muted: #5a5a72;
  --border: #e2e2ec;
  --surface: #f7f7fb;
  --radius: 10px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}

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

code {
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 0.875em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header ── */

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
}

.logo svg { color: var(--green); }

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s, box-shadow 0.15s;
  border: none;
}

.btn:hover { opacity: 0.85; text-decoration: none; }

.btn-primary {
  background: var(--blue);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
}


/* ── Hero ── */

.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  max-width: 600px;
  margin: 0 auto 1.25rem;
}

.hero-sub {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── Steps ── */

.steps {
  padding: 4rem 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  text-align: center;
}

.steps-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 580px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.step-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--green);
  color: #0f1117;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

.step strong { display: block; font-size: 1.05rem; margin-bottom: 0.3rem; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* ── Privacy ── */

.privacy {
  padding: 4.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.privacy-inner {
  text-align: center;
}

.privacy-statement {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.privacy-badges {
  font-size: 0.875rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ── Features ── */

.features {
  padding: 4rem 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.features h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
}

.feature-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.feature-grid li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.feature-grid strong { display: block; margin-bottom: 0.4rem; font-size: 0.975rem; }
.feature-grid p { color: var(--muted); font-size: 0.9rem; }

/* ── Footer ── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }

/* ── Responsive ── */

@media (max-width: 600px) {
  .hero { padding: 3.5rem 0 3rem; }
}