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

:root {
  --green: #00C896;
  --green-dark: #00a87e;
  --green-light: #e6faf5;
  --bg: #f7faf8;
  --white: #ffffff;
  --dark: #0d1f1a;
  --text: #1a2e28;
  --text-muted: #5a7a70;
  --border: #e0ede8;
  --red: #ff4d4d;
  --yellow: #f5c842;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}
.btn-primary {
  background: var(--green);
  color: var(--white);
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn-ghost {
  background: var(--white);
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { border-color: var(--green); color: var(--green); }
.btn-large { padding: 16px 36px; font-size: 17px; border-radius: 12px; }

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 250, 248, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
}
.logo span { color: var(--text); }

/* HERO */
.hero {
  padding: 80px 0 60px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-left h1 {
  font-size: 46px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--dark);
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.highlight {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: var(--green);
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 28px;
}
.stat {
  display: flex;
  flex-direction: column;
  padding: 0 24px;
}
.stat-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--green);
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* HERO CARD */
.hero-right {
  display: flex;
  justify-content: center;
}
.hero-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 8px 40px rgba(0,200,150,0.08);
}
.hero-card-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  align-self: flex-start;
}
.hero-card-badge.green { background: var(--green-light); color: var(--green-dark); }
.hero-card-badge.yellow { background: #fff8e0; color: #a07800; }
.hero-card-badge.teal { background: #e0f4f0; color: #007a5e; }
.agent-bubble {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg);
  border-radius: 12px;
  padding: 12px;
}
.agent-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--green);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}
.agent-info strong { display: block; font-size: 14px; color: var(--dark); }
.agent-info span { font-size: 12px; color: var(--text-muted); }

/* LOGOS */
.logos {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--white);
  text-align: center;
}
.logos-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.logos-row {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.logo-item {
  font-size: 18px;
  font-weight: 700;
  color: #b0c4bc;
  letter-spacing: -0.5px;
}

/* PROBLEM */
.problem {
  padding: 100px 0;
  text-align: center;
}
.problem h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 48px;
  line-height: 1.25;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.problem-card {
  background: var(--white);
  border: 1.5px solid #ffe0e0;
  border-radius: 14px;
  padding: 28px;
  text-align: left;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.problem-icon { font-size: 22px; flex-shrink: 0; }
.problem-card p { font-size: 15px; color: var(--text-muted); line-height: 1.6; }

/* SOLUTION */
.solution {
  background: var(--green);
  padding: 80px 0;
  text-align: center;
}
.solution p {
  font-size: 32px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.5;
  max-width: 700px;
  margin: 0 auto;
}
.logo-inline {
  background: var(--white);
  color: var(--green-dark);
  padding: 4px 14px;
  border-radius: 8px;
  font-size: 20px;
}

/* HOW */
.how {
  padding: 100px 0;
  text-align: center;
}
.section-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--green-dark);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 12px;
}
.how h2, .features h2, .testimonials h2, .cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 56px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.step {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  max-width: 280px;
  text-align: left;
}
.step-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--green);
  opacity: 0.4;
  margin-bottom: 12px;
  line-height: 1;
}
.step h3 { font-size: 17px; font-weight: 600; color: var(--dark); margin-bottom: 10px; }
.step p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }
.step-arrow { font-size: 22px; color: var(--green); margin-top: 55px; opacity: 0.5; }

/* BIG STAT */
.big-stat {
  background: var(--dark);
  padding: 80px 0;
  text-align: center;
}
.big-stat-text {
  font-size: 36px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.5;
}
.big-num {
  font-size: 72px;
  font-weight: 700;
  color: var(--green);
}
.big-badge {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  padding: 6px 20px;
  border-radius: 30px;
  font-size: 32px;
  font-weight: 700;
}

/* FEATURES */
.features {
  padding: 100px 0;
  background: var(--bg);
  text-align: center;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  border-color: var(--green);
  box-shadow: 0 4px 20px rgba(0,200,150,0.08);
}
.feature-icon { font-size: 26px; margin-bottom: 12px; }
.feature-card h3 { font-size: 16px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }

/* TESTIMONIALS */
.testimonials {
  padding: 100px 0;
  text-align: center;
  background: var(--white);
}
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}
.testi-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}
.testi-stars { color: var(--green); font-size: 16px; margin-bottom: 14px; }
.testi-card p {
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testi-author { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  flex-shrink: 0;
}
.testi-author strong { display: block; font-size: 14px; color: var(--dark); }
.testi-author span { font-size: 12px; color: var(--text-muted); }

/* CTA */
.cta-section {
  padding: 100px 0;
  text-align: center;
  background: var(--green-light);
}
.cta-section p { font-size: 18px; color: var(--text-muted); margin-bottom: 32px; }
.cta-note { font-size: 13px !important; color: var(--text-muted) !important; margin-top: 16px !important; margin-bottom: 0 !important; }

/* FOOTER */
.footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer .logo { color: var(--white); }
.footer .logo span { color: var(--green); }
.footer p { font-size: 13px; color: #5a7a70; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .hero-left h1 { font-size: 32px; }
  .problem-grid, .features-grid, .testi-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); margin: 0; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .stat-divider { display: none; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  .big-num { font-size: 48px; }
  .big-stat-text { font-size: 24px; }
}
/* Animation cascade steps */
.step {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.step.visible {
  opacity: 1;
  transform: translateY(0);
}