/* ── Header ── */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand { font-size: 17px; font-weight: 700; color: var(--accent); text-decoration: none; }

.nav-link {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 5px;
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover { color: var(--accent); background: var(--accent-light); }

.btn-primary {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  padding: 8px 18px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
  display: inline-block;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-outline {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 7px 16px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  display: inline-block;
}
.btn-outline:hover { background: var(--accent-light); }

.header-actions { display: flex; gap: 0.75rem; align-items: center; }

/* ── Hero ── */
.hero {
  background: linear-gradient(160deg, var(--accent-light) 0%, var(--bg) 55%);
  text-align: center;
  padding: 80px 1.5rem 64px;
  animation: rise 0.35s ease both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--text);
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.65;
}

/* ── Features ── */
.features {
  padding: 64px 1.5rem;
  background: var(--bg);
  animation: rise 0.4s ease 0.05s both;
}

.section-label {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.section-title {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.section-sub {
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.feat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}

.feat-icon {
  width: 42px;
  height: 42px;
  background: var(--accent-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}

.feat-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.feat-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── Guide / Steps ── */
.guide {
  padding: 64px 1.5rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  animation: rise 0.4s ease 0.1s both;
}

.steps {
  display: flex;
  flex-direction: column;
  max-width: 600px;
  margin: 36px auto 0;
}

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-body { flex: 1; padding-top: 4px; }

.step-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.step-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-connector {
  width: 2px;
  height: 20px;
  background: var(--accent-light);
  margin-left: 15px;
}

/* ── CTA Section ── */
.cta-section {
  background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent) 100%);
  padding: 72px 1.5rem;
  text-align: center;
  animation: rise 0.4s ease 0.15s both;
}

.cta-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.cta-sub {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 28px;
}

.cta-btn {
  display: inline-block;
  background: #fff;
  color: var(--accent);
  font-size: 15px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 7px;
  text-decoration: none;
  transition: opacity 0.15s;
}
.cta-btn:hover { opacity: 0.9; }

/* ── Footer ── */
footer {
  background: #1A1917;
  padding: 20px 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand { font-size: 14px; font-weight: 700; color: #4ade80; }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.6); }

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero-title { font-size: 1.8rem; }
  .feat-grid { grid-template-columns: 1fr; }
  .header-nav { display: none; }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
