:root {
  --bg: #f0faf6;
  --bg2: #e8fff5;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #dbe4ee;
  --wa: #075e54;
  --wa2: #128c7e;
  --primary: #0f9f6e;
  --primary-dark: #0b7d57;
  --gold: #f59e0b;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.1);
  --radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 18px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--wa), var(--wa2));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}

.nav-links a:hover { color: var(--primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 14px;
  border: none;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--wa2));
  color: #fff;
  box-shadow: 0 10px 28px rgba(15, 159, 110, 0.28);
}
.btn-outline {
  background: #fff;
  border: 2px solid var(--line);
  color: var(--text);
}
.btn-lg { padding: 16px 28px; font-size: 16px; border-radius: 16px; }

.hero {
  padding: 72px 0 56px;
  background:
    radial-gradient(circle at 10% 20%, rgba(15, 159, 110, 0.12), transparent 40%),
    radial-gradient(circle at 90% 0%, rgba(18, 140, 126, 0.1), transparent 35%),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--wa), var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  margin: 0 0 28px;
  font-size: 18px;
  color: var(--muted);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-points {
  display: grid;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
}

.hero-points div::before {
  content: "✓ ";
  color: var(--primary);
  font-weight: 800;
}

.mockup {
  background: linear-gradient(160deg, #fff, #f8fffc);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.mockup-top {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #e2e8f0;
}

.mockup-screen {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}

.mockup-bar {
  background: linear-gradient(135deg, var(--wa), var(--wa2));
  color: #fff;
  padding: 14px 16px;
  font-weight: 800;
}

.mockup-body {
  display: grid;
  grid-template-columns: 130px 1fr;
  min-height: 280px;
}

.mockup-side {
  border-right: 1px solid var(--line);
  padding: 12px;
  background: #fafafa;
}

.mockup-chat {
  padding: 14px;
  background: #e5ddd5;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bubble {
  max-width: 75%;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 13px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.bubble.you { background: #fff; align-self: flex-start; }
.bubble.me { background: #dcf8c6; align-self: flex-end; }

.chat-line {
  height: 34px;
  border-radius: 10px;
  background: #fff;
  margin-bottom: 8px;
  border: 1px solid #edf2f7;
}

.section {
  padding: 72px 0;
}

.section.alt {
  background: linear-gradient(180deg, #fff, var(--bg2));
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}

.section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 38px);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: #f0fdf4;
  display: grid;
  place-items: center;
  font-size: 22px;
  margin-bottom: 14px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 18px;
  text-align: center;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  margin: 0 auto 12px;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.pricing-wrap {
  display: flex;
  justify-content: center;
}

.pricing-card {
  width: min(460px, 100%);
  background: #fff;
  border: 2px solid var(--primary);
  border-radius: 28px;
  padding: 32px 28px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(15, 159, 110, 0.15);
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: "PALING LAKU";
  position: absolute;
  top: 18px;
  right: -34px;
  background: var(--gold);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 6px 40px;
  transform: rotate(35deg);
}

.pricing-card h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.price {
  margin: 18px 0;
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--wa);
}

.price small {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin-top: 4px;
}

.pricing-list {
  text-align: left;
  margin: 24px 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.pricing-list li::before {
  content: "✓ ";
  color: var(--primary);
  font-weight: 800;
}

.faq {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 20px;
}

.faq-item h4 {
  margin: 0 0 6px;
  font-size: 16px;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.cta {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--wa), var(--wa2));
  color: #fff;
  text-align: center;
}

.cta h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 38px);
}

.cta p {
  margin: 0 auto 24px;
  max-width: 560px;
  color: rgba(255,255,255,.88);
  font-size: 17px;
}

.cta .btn-primary {
  background: #fff;
  color: var(--wa);
  box-shadow: 0 12px 30px rgba(0,0,0,.15);
}

.footer {
  padding: 28px 0 40px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.footer strong { color: var(--text); }

.audience {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.audience span {
  padding: 10px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.small { font-size: 12px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
}