:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f5;
  --surface: #ffffff;
  --border: #ebebe8;
  --text: #141414;
  --muted: #5f5f5f;
  --accent: #2D6A4F;
  --accent-hover: #214f3a;
  --accent-soft: #e8f0eb;
  --accent-dark: #1b3c2b;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

/* ------- Nav ------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
.brand span { color: var(--accent); }
.nav-links {
  flex: 1;
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--accent); }
.nav-actions { display: flex; gap: 10px; align-items: center; }

/* ------- Buttons ------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s, transform 0.08s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-outline { background: #fff; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover { color: var(--accent); }
.btn-lg { padding: 15px 28px; font-size: 15px; border-radius: 12px; }
.btn-block { display: flex; width: 100%; margin-top: 18px; }

/* ------- Hero ------- */
.hero {
  max-width: 1160px;
  margin: 0 auto;
  padding: 80px 28px 100px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}
.eyebrow.centered { display: block; text-align: center; }
.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.07;
  letter-spacing: -0.025em;
  margin: 0 0 20px;
}
.lede {
  font-size: 18px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 0 32px;
  line-height: 1.6;
}
.hero-cta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.cta-note {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cta-note i { color: var(--accent); }

/* ------- Hero visual (phone mock) ------- */
.hero-visual { display: flex; justify-content: center; }
.phone {
  width: 300px;
  height: 600px;
  background: #1a1a1a;
  border-radius: 42px;
  padding: 14px;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.phone::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 24px;
  background: #1a1a1a;
  border-radius: 0 0 16px 16px;
  z-index: 2;
}
.phone-screen {
  background: var(--bg-soft);
  height: 100%;
  border-radius: 28px;
  overflow: hidden;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mock-hero {
  background: linear-gradient(160deg, var(--accent) 0%, #3a8766 100%);
  color: #fff;
  border-radius: 16px;
  padding: 24px 18px 20px;
  margin: 12px 0 6px;
}
.mock-eyebrow {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 4px;
  opacity: 0.8;
}
.mock-hero h3 {
  font-size: 19px;
  margin: 0 0 6px;
  font-weight: 700;
}
.mock-sub { font-size: 12px; margin: 0; opacity: 0.9; }

.mock-card, .mock-chat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.mock-chat {
  background: var(--accent-soft);
  border-color: #c8ddd0;
}
.mock-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
}
.mock-title {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
}
.mock-meta {
  margin: 2px 0 0;
  font-size: 11px;
  color: var(--muted);
}

/* ------- Sections ------- */
.section-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 100px 28px;
}
.section-title {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 auto 14px;
  text-align: center;
  max-width: 720px;
  line-height: 1.15;
}
.section-sub {
  text-align: center;
  color: var(--muted);
  font-size: 16px;
  margin: 0 auto 48px;
  max-width: 600px;
}

/* ------- How it works ------- */
.how { background: var(--bg); }
.steps {
  list-style: none;
  padding: 0;
  margin: 48px auto 0;
  max-width: 760px;
  display: grid;
  gap: 20px;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.15s, box-shadow 0.15s;
}
.step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step h3 {
  margin: 4px 0 6px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ------- Features ------- */
.features { background: var(--bg-soft); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.feature {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.feature h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

/* ------- Pricing ------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.price-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 30px 32px;
  display: flex;
  flex-direction: column;
}
.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 20px 60px rgba(45,106,79,0.15);
  transform: scale(1.02);
}
.price-tag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.price-head h3 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.price {
  font-size: 44px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--text);
}
.price span {
  font-size: 16px;
  font-weight: 500;
  color: var(--muted);
}
.price-meta {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--muted);
}
.price-list {
  list-style: none;
  padding: 24px 0 0;
  margin: 24px 0 0;
  border-top: 1px solid var(--border);
  flex: 1;
}
.price-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--text);
}
.price-list li i { color: var(--accent); font-size: 12px; width: 14px; }
.price-list li.muted { color: #a0a0a0; }
.price-list li.muted i { color: #c8c8c8; }

.badge-save {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  margin-left: 6px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  vertical-align: middle;
}

/* ------- CTA band ------- */
.cta-band {
  background: linear-gradient(160deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
}
.cta-inner {
  padding: 80px 28px;
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(28px, 3.2vw, 36px);
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.cta-band p {
  margin: 0 0 28px;
  opacity: 0.9;
  font-size: 16px;
}
.cta-band .btn-primary {
  background: #fff;
  color: var(--accent);
}
.cta-band .btn-primary:hover { background: var(--bg-soft); }

/* ------- Footer ------- */
.footer {
  background: #fff;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 32px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  margin: 0;
  font-weight: 600;
  font-size: 14px;
  color: var(--muted);
}
.footer-brand span { color: var(--accent); }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--accent); }

/* ------- Responsive ------- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 24px 72px;
    gap: 40px;
    text-align: center;
  }
  .lede { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .nav-links { display: none; }
  .section-inner { padding: 72px 24px; }

  .feature-grid { grid-template-columns: 1fr; gap: 16px; }
  .price-grid { grid-template-columns: 1fr; gap: 20px; }
  .price-card.featured { transform: none; }
}

@media (max-width: 520px) {
  .nav-inner { padding: 14px 20px; gap: 12px; }
  .nav-actions .btn-ghost { display: none; }
  .hero h1 { font-size: 34px; }
  .lede { font-size: 16px; }
  .phone { width: 260px; height: 520px; }
  .cta-inner { padding: 64px 24px; }
}