/* dark-mode only */
:root {
  --bg: #0d0d0d;
  --surface: #1a1a1a;
  --primary: #7F00FF;
  --on-primary: #FFF;
  --text: #e0e0e0;
  --subtext: #a0a0a0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}
.site-header {
  background: var(--surface);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
  text-decoration: none;
}
.nav {
  display: flex;
  align-items: center;
}
.nav-links {
  list-style: none;
  display: flex;
}
.nav-links li {
  margin: 0 1rem;
}
.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}
.nav-actions {
  display: flex;
  align-items: center;
  margin-left: 2rem;
}
.btn {
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
}
.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--text);
  margin-right: 1rem;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--text);
  position: relative;
  border-radius: 2px;
}
.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
}
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* Hero */
.hero {
  padding: 4rem 0;
  text-align: center;
  background: var(--surface) url('') no-repeat center/cover;
}
.hero h1 {
  font-size: 2.5rem;
}
.hero p {
  margin: 1rem 0;
  color: var(--subtext);
}

/* Features */
.features {
  padding: 4rem 0;
}
.features h2 {
  text-align: center;
  margin-bottom: 2rem;
}
.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
}
.card .icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* Pricing */
.pricing {
  padding: 4rem 0;
}
.pricing h2 {
  text-align: center;
  margin-bottom: 2rem;
}
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.price-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
}
.price-card.recommended {
  border: 2px solid var(--primary);
}
.price {
  font-size: 2rem;
  margin: 1rem 0;
  color: var(--primary);
}

/* FAQ */
.faq {
  padding: 4rem 0;
}
.faq h2 {
  text-align: center;
  margin-bottom: 2rem;
}
.accordion {
  max-width: 700px;
  margin: 0 auto;
}
.accordion-item + .accordion-item {
  margin-top: 1rem;
}
.accordion-toggle {
  width: 100%;
  background: var(--surface);
  color: var(--text);
  border: none;
  padding: 1rem;
  text-align: left;
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
}
.accordion-toggle::after {
  content: '+';
  position: absolute;
  right: 1rem;
}
.accordion-toggle.active::after {
  content: '-';
}
.accordion-content {
  background: var(--surface);
  padding: 0 1rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  border-radius: 0 0 4px 4px;
}
.accordion-content p {
  padding: 1rem 0;
  color: var(--subtext);
}

/* CTA */
.cta {
  padding: 4rem 0;
  text-align: center;
}
.cta h2 {
  font-size: 2rem;
}
.cta p {
  margin: 1rem 0;
  color: var(--subtext);
}

/* Footer */
.site-footer {
  background: var(--surface);
  padding: 2rem 0;
}
.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
}
.footer-col h4 {
  margin-bottom: 1rem;
}
.footer-col ul {
  list-style: none;
}
.footer-col li {
  margin-bottom: 0.5rem;
}
.footer-col a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
}
.footer-bottom {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--subtext);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links,
  .nav-actions {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .nav.open .nav-links,
  .nav.open .nav-actions {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    padding: 1rem;
  }
  .nav.open .nav-links li {
    margin: 0.5rem 0;
  }
}

/* Responsive video wrapper */
.responsive-video {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  border-radius: 8px; /* optional for rounded corners */
}

.responsive-video video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}