:root {
  --color-bg: #0b0f14;
  --color-bg-alt: #10161d;
  --color-text: #e8eef4;
  --color-text-muted: #9aa9b8;
  --color-primary: #25d366; /* WhatsApp green */
  --color-primary-dark: #1da851;
  --color-border: #1f2831;
  --radius: 12px;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  scroll-behavior: smooth;
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__logo {
  font-weight: 800;
  font-size: 22px;
  color: var(--color-primary);
}
.nav__logo-img {
  height: 30px;
  display: block;
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav__links {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.nav__links a {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
}
.nav__links a:hover { color: var(--color-text); }

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  transition: transform 0.15s ease, opacity 0.15s ease;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover { transform: translateY(-1px); }
.btn--sm { padding: 9px 18px; font-size: 13px; }
.btn--full { width: 100%; text-align: center; }
.btn--primary {
  background: var(--color-primary);
  color: #06210f;
}
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 10px 20px;
}

.hero__badge {
  display: inline-block;
  background: rgba(37, 211, 102, 0.12);
  color: var(--color-primary);
  border: 1px solid rgba(37, 211, 102, 0.35);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero__note {
  color: var(--color-text-muted);
  font-size: 13px;
  margin-top: 18px;
}

.hero {
  padding: 96px 24px 72px;
  text-align: center;
}
.hero__inner {
  max-width: 780px;
  margin: 0 auto;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.15;
  margin: 0 0 20px;
}
.highlight { color: var(--color-primary); }
.hero__subtitle {
  color: var(--color-text-muted);
  font-size: 18px;
  line-height: 1.6;
  margin: 0 0 36px;
}
.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.features {
  padding: 72px 24px;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.features__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.features h2, .pricing h2, .faq h2 {
  text-align: center;
  font-size: 32px;
  margin: 0 0 40px;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.feature-card h3 { margin: 0 0 12px; font-size: 18px; }
.feature-card p { margin: 0; color: var(--color-text-muted); line-height: 1.6; }

.pricing {
  padding: 72px 24px;
  text-align: center;
}
.pricing__inner { max-width: var(--max-width); margin: 0 auto; }
.pricing__subtitle {
  color: var(--color-text-muted);
  margin: 0 0 48px;
  font-size: 16px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  text-align: left;
}
.price-card {
  position: relative;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}
.price-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}
.price-card__ribbon {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--color-primary);
  color: #06210f;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
.price-card h3 { margin: 4px 0 12px; font-size: 18px; }
.price-card__price {
  font-size: 30px;
  font-weight: 800;
  margin: 0 0 4px;
}
.price-card__price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-muted);
}
.price-card__msgs {
  color: var(--color-text-muted);
  font-size: 13px;
  margin: 0 0 20px;
}
.price-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  flex: 1;
}
.price-card__features li {
  color: var(--color-text-muted);
  font-size: 13px;
  padding: 6px 0 6px 20px;
  position: relative;
}
.price-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.faq {
  padding: 72px 24px;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}
.faq__inner {
  max-width: 720px;
  margin: 0 auto;
}
.faq details {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
}
.faq p {
  color: var(--color-text-muted);
  margin: 12px 0 0;
  line-height: 1.6;
}

.footer {
  padding: 32px 24px;
  border-top: 1px solid var(--color-border);
}
.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--color-text-muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .nav__links { display: none; }
}

/* Modal: lead capture form */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
/* The [hidden] attribute is toggled via JS to show/hide the modal. Without
   this override, our `.modal-overlay { display: flex }` rule above wins
   over the browser's default `[hidden] { display: none }` UA rule (same
   specificity, ours declared later) — causing the modal to always be
   visible regardless of the `hidden` attribute. */
.modal-overlay[hidden] {
  display: none;
}
.modal {
  position: relative;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 36px 32px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}
.modal h3 {
  margin: 0 0 8px;
  font-size: 24px;
}
.modal__subtitle {
  color: var(--color-text-muted);
  font-size: 14px;
  margin: 0 0 28px;
  line-height: 1.5;
}
.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
  padding: 6px;
}
.modal__close:hover { color: var(--color-text); }

.form-row { margin-bottom: 16px; }
.form-row--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
}
.form-field input, .form-field select {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--color-text);
  font-size: 14px;
  font-family: inherit;
}
.form-field input:focus, .form-field select:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-error {
  color: #ff6b6b;
  font-size: 13px;
  margin: 0 0 16px;
}

@media (max-width: 560px) {
  .form-row--split { grid-template-columns: 1fr; }
  .modal { padding: 28px 20px; }
}