:root {
  --primary: #1976d2;
  --primary-light: #42a5f5;
  --text: #1a1a2e;
  --text-secondary: #5b6478;
  --bg-grey: #f5f8fc;
  --border: #e3ecf7;
}

* { box-sizing: border-box; }

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

h1, h2, h3 { margin: 0; }

p { margin: 0; }

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

.hide-sm { display: inline; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.3rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  box-shadow: 0 4px 14px rgba(25, 118, 210, 0.3);
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(25, 118, 210, 0.4); }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--border);
}

.btn-outline:hover { background: var(--bg-grey); }

.btn-text {
  background: transparent;
  color: var(--primary);
}

.btn-text:hover { background: var(--bg-grey); }

.btn-lg {
  padding: 0.8rem 1.8rem;
  font-size: 1.05rem;
}

/* Hero */
.hero {
  max-width: 780px;
  margin: 0 auto;
  padding: 5.5rem 1.5rem 3.5rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.accent { color: var(--primary); }

.hero-sub {
  display: block;
  margin-top: 1.25rem;
  font-size: 1.15rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.hero-cta {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

/* Quote */
.quote-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.quote {
  background: var(--bg-grey);
  border-radius: 16px;
  padding: 1.75rem 2rem;
  margin: 0;
  font-style: italic;
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Features */
.features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
  text-align: center;
}

.features h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
}

.section-sub {
  display: block;
  margin-top: 0.5rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: left;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}

.feature-icon {
  font-size: 1.8rem;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-grey);
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Who */
.who {
  max-width: 700px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  text-align: center;
}

.who h2 {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.who p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Final CTA */
.final-cta-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.final-cta {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: 0 8px 30px rgba(25, 118, 210, 0.08);
}

.final-cta h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.final-cta p {
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 0.9rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-inner a { color: var(--text-secondary); }
.footer-inner a:hover { color: var(--primary); }

/* Responsive */
@media (max-width: 800px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .feature-grid { grid-template-columns: 1fr; }
  .hide-sm { display: none; }
  .nav-links .btn-text { display: none; }
}