/* Luys — simple layout */

:root {
  --bg: #111111;
  --bg-light: #1a1a1a;
  --bg-card: #222222;
  --border: #333333;
  --text: #ffffff;
  --text-muted: #aaaaaa;
  --accent: #1e4d8c;
  --accent-hover: #163a6e;
  --radius: 12px;
  --max-width: min(1520px, calc(100% - 48px));
  --side-padding: clamp(16px, 2.5vw, 32px);
  --nav-height: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

/* Layout */

.full-width {
  width: 100%;
}

.section {
  padding: 64px 0;
}

.section-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--side-padding);
}

.section-header {
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-header p {
  color: var(--text-muted);
  max-width: 640px;
}

/* Navbar */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--side-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.1rem;
}

.navbar-brand span {
  color: var(--accent);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.navbar-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.navbar-links a:hover {
  color: var(--text);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.navbar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
}

.navbar-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--text-muted);
}

/* Hero */

.hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 720px;
}

.hero-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 28px;
}

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

/* Features */

.features-section {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
}

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

.features-grid--four {
  grid-template-columns: repeat(4, 1fr);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* Pricing */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}

.pricing-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-muted);
}

.pricing-amount {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Info block */

.info-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.info-block-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.info-block-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.info-block-content p {
  color: var(--text-muted);
  margin-bottom: 14px;
}

.info-block-image img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.info-note {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--text) !important;
}

/* Detail cards (features page) */

.detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  margin-bottom: 0;
}

.detail-card h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* CTA */

.cta-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-block h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.cta-block p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Footer */

.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  font-weight: 600;
}

.footer-brand span {
  color: var(--accent);
}

.footer-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Features page */

.page-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.page-header p {
  color: var(--text-muted);
}

.features-list-section {
  padding: 48px 0 64px;
}

.features-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 12px;
}

.feature-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.feature-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
}

.feature-category-header:hover {
  background: var(--bg-light);
}

.feature-category-header h2 {
  font-size: 1rem;
  font-weight: 600;
}

.feature-category-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-right: 12px;
}

.chevron {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.feature-category.open .chevron {
  transform: rotate(180deg);
}

.feature-category-body {
  display: none;
  padding: 0 22px 22px;
  border-top: 1px solid var(--border);
}

.feature-category.open .feature-category-body {
  display: block;
}

.feature-list {
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-tag {
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: var(--radius);
}

/* Modal */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
}

.modal-close {
  color: var(--text-muted);
  padding: 4px;
}

.modal-close:hover {
  color: var(--text);
}

.modal-body {
  padding: 22px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.form-divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

.form-submit {
  width: 100%;
  margin-top: 4px;
}

.form-success {
  text-align: center;
  padding: 32px 16px;
  display: none;
}

.form-success h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.form-success p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Responsive */

@media (max-width: 1200px) {
  .features-grid,
  .features-grid--four {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .navbar-links.open {
    display: flex;
  }

  .navbar-toggle {
    display: flex;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .features-detail-grid {
    grid-template-columns: 1fr;
  }

  .info-block-grid {
    grid-template-columns: 1fr;
  }

  .cta-block {
    flex-direction: column;
    text-align: center;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}