/* Reset & base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-dark: #1d4ed8;
  --bg-deep: #0d1117;
  --bg-surface: #161b22;
  --bg-card: #1c2330;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --text-subtle: #6e7681;
  --radius: 10px;
  --radius-lg: 16px;
}

html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { font-size: 2rem; font-weight: 700; text-align: center; margin-bottom: 12px; }
.section-sub { text-align: center; color: var(--text-muted); font-size: 1.1rem; margin-bottom: 48px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-primary { background: var(--blue); color: white; border-color: var(--blue); }
.btn-primary:hover { background: var(--blue-light); border-color: var(--blue-light); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.logo-link { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo { height: 32px; width: auto; }
.logo-sm { height: 24px; }
.logo-text { font-size: 1.1rem; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 6px 10px;
  border-radius: 6px;
  transition: color 0.15s;
}
.nav a:hover { color: var(--text); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1rem;
}

/* Hero */
.hero {
  padding: 80px 0 60px;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(37,99,235,0.15) 0%, transparent 70%);
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-sub { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 32px; line-height: 1.7; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.85rem; color: var(--text-muted); }

/* TV frame & screen mockup */
.tv-frame { display: flex; flex-direction: column; align-items: center; filter: drop-shadow(0 24px 48px rgba(0,0,0,0.6)); }
.tv-bezel {
  background: #1a1d24;
  border-radius: 14px;
  padding: 10px 10px 8px;
  border: 2px solid #2d3139;
  width: 100%;
}
.tv-neck { width: 32px; height: 18px; background: #1a1d24; border-left: 2px solid #2d3139; border-right: 2px solid #2d3139; }
.tv-base { width: 120px; height: 10px; background: #1a1d24; border-radius: 0 0 8px 8px; border: 2px solid #2d3139; border-top: none; }

.screen-mockup {
  background: #0b1829;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 16/9;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* Slide header */
.slide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px 8px;
  background: linear-gradient(90deg, #0f2d52 0%, #0b1e3a 100%);
}
.slide-restaurant-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}
.slide-restaurant-sub {
  font-size: 0.5rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}
.slide-live {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.5rem;
  font-weight: 700;
  color: #4ade80;
  letter-spacing: 0.1em;
  background: rgba(74,222,128,0.12);
  border: 1px solid rgba(74,222,128,0.3);
  border-radius: 20px;
  padding: 3px 8px;
}
.live-dot {
  width: 5px;
  height: 5px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.slide-divider { height: 2px; background: linear-gradient(90deg, var(--blue) 0%, #7c3aed 100%); }

/* Slide body — two-column menu */
.slide-body {
  flex: 1;
  display: flex;
  gap: 0;
  padding: 8px 14px;
  background: #0b1829;
}
.menu-col { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.menu-col-divider { width: 1px; background: rgba(255,255,255,0.08); margin: 0 12px; }
.menu-section-label {
  font-size: 0.52rem;
  font-weight: 700;
  color: var(--blue-light);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(59,130,246,0.3);
}
.menu-row {
  display: flex;
  align-items: baseline;
  gap: 3px;
  padding: 2px 0;
}
.menu-name {
  font-size: 0.58rem;
  color: #c8d8ea;
  white-space: nowrap;
  flex-shrink: 0;
}
.menu-dots {
  flex: 1;
  border-bottom: 1px dotted rgba(255,255,255,0.15);
  margin: 0 4px;
  margin-bottom: 3px;
}
.menu-price {
  font-size: 0.6rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.menu-row--special .menu-name { color: #fbbf24; }
.menu-row--special .menu-price { color: #fbbf24; }

/* Slide footer bar */
.slide-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 14px;
  background: rgba(37,99,235,0.15);
  border-top: 1px solid rgba(37,99,235,0.3);
}
.slide-powered { font-size: 0.48rem; color: rgba(255,255,255,0.45); }
.slide-powered strong { color: rgba(255,255,255,0.7); }
.slide-time { font-size: 0.48rem; color: rgba(255,255,255,0.35); font-variant-numeric: tabular-nums; }

/* How it works */
.how-it-works { background: var(--bg-surface); }
.steps { display: flex; align-items: flex-start; gap: 12px; }
.step {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue);
  color: white;
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.step p { color: var(--text-muted); font-size: 0.88rem; }
.step-arrow { font-size: 1.5rem; color: var(--blue); padding-top: 56px; flex-shrink: 0; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--blue); }
.feature-icon { font-size: 1.8rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; }

/* Industries */
.industries { background: var(--bg-surface); }
.industries-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.industry-card {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s;
}
.industry-card:hover { border-color: var(--blue); }
.industry-icon { font-size: 1.6rem; display: block; margin-bottom: 12px; }
.industry-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.industry-card p { color: var(--text-muted); font-size: 0.87rem; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 24px; }
.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}
.pricing-card--featured {
  border-color: var(--blue);
  background: linear-gradient(180deg, rgba(37,99,235,0.08) 0%, var(--bg-surface) 100%);
}
.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
  letter-spacing: 0.03em;
}
.pricing-tier { font-size: 1.2rem; font-weight: 700; }
.pricing-screen-count { color: var(--text-muted); font-size: 0.88rem; margin-top: -8px; }
.pricing-setup { font-size: 0.95rem; color: var(--text-muted); }
.pricing-setup span { font-size: 0.82rem; }
.pricing-monthly { font-size: 2.4rem; font-weight: 800; color: var(--blue); line-height: 1; }
.pricing-monthly span { font-size: 0.95rem; font-weight: 400; color: var(--text-muted); }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.pricing-features li { font-size: 0.88rem; color: var(--text-muted); }
.pricing-note { text-align: center; font-size: 0.85rem; color: var(--text-subtle); }
.pricing-note a { color: var(--blue); text-decoration: none; }
.pricing-note a:hover { text-decoration: underline; }

/* About */
.about { background: var(--bg-surface); }
.about-inner { max-width: 680px; }
.about-inner h2 { font-size: 2rem; font-weight: 700; margin-bottom: 20px; }
.about-inner p { color: var(--text-muted); margin-bottom: 16px; line-height: 1.8; }
.about-contacts { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 24px; }
.about-contacts a { color: var(--blue); text-decoration: none; font-size: 0.95rem; }
.about-contacts a:hover { text-decoration: underline; }

/* Contact */
.contact { background: var(--bg-deep); }
.contact-inner { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.contact-content h2 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
.contact-content p { color: var(--text-muted); margin-bottom: 24px; line-height: 1.7; }
.contact-details { display: flex; flex-direction: column; gap: 10px; }
.contact-details a { color: var(--blue); text-decoration: none; font-size: 0.9rem; }
.contact-form {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.15s;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-subtle); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--blue); }
.form-group select option { background: var(--bg-surface); }

/* Footer */
.footer { background: var(--bg-surface); border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 0.8rem; color: var(--text-subtle); }

/* Responsive — tablet */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); padding: 0; align-self: center; }
  .features-grid,
  .industries-grid,
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
}

/* Responsive — mobile */
@media (max-width: 600px) {
  .nav { display: none; }
  .nav.nav--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 16px;
    gap: 4px;
    z-index: 99;
  }
  .nav-toggle { display: block; }
  .hero-content h1 { font-size: 2.4rem; }
  .section-title { font-size: 1.7rem; }
  .features-grid,
  .industries-grid,
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}