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

:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-light: #eff6ff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.14);
}

html { scroll-behavior: smooth; }

/* ── Dark mode variables ── */
html.dark {
  --bg: #0f172a;
  --bg-surface: #1e293b;
  --bg-surface2: #263349;
  --border: #2d3f55;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --blue-light: rgba(37,99,235,0.15);
}

html:not(.dark) {
  --bg: #fff;
  --bg-surface: #f9fafb;
  --bg-surface2: #f3f4f6;
  --border: #e5e7eb;
  --text: #111827;
  --text-muted: #4b5563;
  --text-subtle: #9ca3af;
  --blue-light: #eff6ff;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s, color 0.2s;
}

/* ── Theme toggle button ── */
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--bg-surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--bg-surface2); }

html:not(.dark) .theme-icon-dark { display: none; }
html.dark .theme-icon-light { display: none; }

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s, border-color 0.2s;
}

html.dark .navbar {
  background: rgba(15,23,42,0.92);
}

.navbar-logo img { height: 32px; }

.navbar-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-links a {
  text-decoration: none;
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.navbar-links a:hover { background: var(--gray-100); color: var(--gray-900); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,0.35); }

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
}
.btn-outline:hover { background: var(--blue-light); }

.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 10px; }

/* ── Hero ── */
.hero {
  padding: 140px 24px 80px;
  text-align: center;
  background: linear-gradient(160deg, #f0f7ff 0%, #ffffff 50%, #f5f3ff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(37,99,235,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue-light);
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  border: 1px solid #bfdbfe;
}

.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(36px, 6vw, 62px);
  font-weight: 800;
  line-height: 1.12;
  color: var(--gray-900);
  max-width: 800px;
  margin: 0 auto 20px;
  letter-spacing: -0.02em;
}

.hero h1 span { color: var(--blue); }

.hero p {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--gray-600);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* ── Mockup Dashboard ── */
.hero-mockup {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
}

.mockup-browser {
  background: #1e2535;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.1);
}

.mockup-bar {
  background: #2d3748;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mockup-dots { display: flex; gap: 6px; }
.mockup-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }

.mockup-url {
  flex: 1;
  background: #3d4a60;
  border-radius: 6px;
  height: 28px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 12px;
  color: #94a3b8;
  font-family: monospace;
}

.mockup-screen {
  background: #f1f5f9;
  display: flex;
  height: 420px;
}

/* Sidebar mockup */
.mockup-sidebar {
  width: 220px;
  background: #fff;
  border-right: 1px solid #e2e8f0;
  padding: 20px 12px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mockup-logo-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  margin-bottom: 12px;
}

.mockup-logo-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #3b82f6, #6366f1);
}

.mockup-logo-text {
  height: 10px;
  width: 80px;
  background: #e2e8f0;
  border-radius: 4px;
}

.mockup-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
}

.mockup-nav-item.active { background: #eff6ff; }

.mockup-nav-icon {
  width: 16px; height: 16px;
  border-radius: 4px;
}

.mockup-nav-item.active .mockup-nav-icon { background: #2563eb; }
.mockup-nav-item:not(.active) .mockup-nav-icon { background: #cbd5e1; }

.mockup-nav-label {
  height: 8px;
  border-radius: 3px;
}
.mockup-nav-item.active .mockup-nav-label { background: #2563eb; width: 60px; }
.mockup-nav-item:not(.active) .mockup-nav-label { background: #e2e8f0; width: 50px; }

/* Content mockup */
.mockup-content {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mockup-title {
  height: 20px;
  width: 160px;
  background: #1e293b;
  border-radius: 6px;
}

.mockup-btn-fake {
  height: 32px;
  width: 100px;
  background: #2563eb;
  border-radius: 8px;
}

.mockup-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.mockup-stat {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  border: 1px solid #e2e8f0;
}

.mockup-stat-val {
  height: 24px;
  width: 60px;
  background: #1e293b;
  border-radius: 6px;
  margin-bottom: 8px;
}

.mockup-stat-label {
  height: 8px;
  width: 80px;
  background: #e2e8f0;
  border-radius: 3px;
}

.mockup-chart {
  background: #fff;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  padding: 16px;
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.mockup-bar-chart {
  flex: 1;
  background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
  border-radius: 4px 4px 0 0;
  opacity: 0.85;
}

/* Widget mockup overlay */
.mockup-widget {
  position: absolute;
  bottom: 32px;
  right: 32px;
  width: 280px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

.mockup-widget-header {
  background: #2563eb;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mockup-widget-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
}

.mockup-widget-title {
  height: 10px;
  width: 80px;
  background: rgba(255,255,255,0.7);
  border-radius: 4px;
  margin-bottom: 5px;
}

.mockup-widget-sub {
  height: 8px;
  width: 50px;
  background: rgba(255,255,255,0.4);
  border-radius: 3px;
}

.mockup-widget-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mockup-bubble {
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 12px;
  max-width: 85%;
  line-height: 1.4;
}

.mockup-bubble.ai {
  background: #f1f5f9;
  color: #374151;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.mockup-bubble.user {
  background: #2563eb;
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

/* ── Section base ── */
section { padding: 96px 24px; }

.container { max-width: 1100px; margin: 0 auto; }

.section-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--gray-600);
  line-height: 1.65;
  max-width: 600px;
}

/* ── Canali ── */
.channels { background: var(--gray-50); }

.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 56px;
}

.channel-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.channel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.channel-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 24px;
}

.channel-icon.blue { background: #eff6ff; }
.channel-icon.green { background: #f0fdf4; }
.channel-icon.purple { background: #f5f3ff; }

.channel-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.channel-card p {
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.channel-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.channel-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-700);
}

.channel-features li::before {
  content: '✓';
  color: var(--blue);
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Demo ── */
.demo { background: #fff; }

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 56px;
  align-items: center;
}

.demo-screens {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.demo-screen {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
  background: var(--gray-50);
  display: flex;
  flex-direction: column;
}

.demo-screen-bar {
  background: var(--gray-200);
  height: 28px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 5px;
}

.demo-screen-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gray-400);
}

.demo-screen-body {
  flex: 1;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.demo-screen-line {
  height: 8px;
  border-radius: 3px;
  background: var(--gray-200);
}

.demo-screen-line.dark { background: var(--gray-700); width: 60%; }
.demo-screen-line.blue { background: #bfdbfe; width: 80%; }
.demo-screen-line.short { width: 40%; }

.demo-screen-block {
  flex: 1;
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
}

.demo-screen:first-child { grid-column: 1 / -1; aspect-ratio: 16/7; }

.demo-text h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.demo-text p {
  color: var(--gray-600);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.demo-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.demo-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--gray-700);
}

.demo-point-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--blue-light);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── Come funziona ── */
.how { background: var(--gray-50); }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  margin-top: 56px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 28px);
  right: calc(12.5% + 28px);
  height: 2px;
  background: linear-gradient(90deg, var(--blue) 0%, #8b5cf6 100%);
  z-index: 0;
}

.step {
  text-align: center;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), #6366f1);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}

.step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ── Contact ── */
.contact { background: #fff; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 56px;
}

.contact-info h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--gray-600);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-chips {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--gray-700);
}

.contact-chip-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.form-card {
  background: var(--gray-50);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--gray-200);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  color: var(--gray-900);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-submit { width: 100%; justify-content: center; padding: 14px; font-size: 16px; border-radius: 10px; }

.form-success {
  display: none;
  text-align: center;
  padding: 24px;
  color: #166534;
  background: #f0fdf4;
  border-radius: 10px;
  border: 1px solid #bbf7d0;
  font-weight: 600;
}

.form-error {
  display: none;
  text-align: center;
  padding: 12px;
  color: #991b1b;
  background: #fef2f2;
  border-radius: 8px;
  border: 1px solid #fecaca;
  font-size: 14px;
  margin-top: 12px;
}

/* ── Footer ── */
.footer {
  background: var(--gray-900);
  color: #94a3b8;
  padding: 48px 24px 32px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-brand img { height: 28px; filter: brightness(0) invert(1); opacity: 0.85; margin-bottom: 10px; }
.footer-brand p { font-size: 14px; line-height: 1.6; max-width: 280px; }

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col h4 { color: #fff; font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.footer-col a {
  display: block;
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 8px;
  transition: color 0.15s;
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
}

.footer-bottom a { color: #94a3b8; text-decoration: none; }
.footer-bottom a:hover { color: #fff; }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #1e293b;
  color: #fff;
  padding: 14px 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  z-index: 9999;
  transition: transform 0.3s ease;
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { background: #166534; }
.toast.error { background: #991b1b; }

/* ── Dark mode overrides ── */
html.dark .navbar-links a { color: var(--text-muted); }
html.dark .navbar-links a:hover { background: var(--bg-surface); color: var(--text); }

html.dark .hero {
  background: linear-gradient(160deg, #0f1e38 0%, #0f172a 50%, #160f2e 100%);
}
html.dark .hero h1 { color: var(--text); }
html.dark .hero p { color: var(--text-muted); }

html.dark .badge {
  background: rgba(37,99,235,0.15);
  border-color: rgba(37,99,235,0.3);
}

html.dark .mockup-screen { background: #1e293b; }
html.dark .mockup-sidebar { background: #152033; border-color: #2d3f55; }
html.dark .mockup-logo-text { background: #2d3f55; }
html.dark .mockup-nav-item.active { background: rgba(37,99,235,0.2); }
html.dark .mockup-nav-item:not(.active) .mockup-nav-icon { background: #334155; }
html.dark .mockup-nav-item:not(.active) .mockup-nav-label { background: #334155; }
html.dark .mockup-stat { background: #152033; border-color: #2d3f55; }
html.dark .mockup-stat-val { background: #e2e8f0; }
html.dark .mockup-stat-label { background: #334155; }
html.dark .mockup-chart { background: #152033; border-color: #2d3f55; }
html.dark .mockup-widget { background: #1e293b; border-color: #2d3f55; }
html.dark .mockup-bubble.ai { background: #263349; color: #e2e8f0; }

html.dark .channels { background: #0b1120; }
html.dark .channel-card { background: #1e293b; border-color: #2d3f55; }
html.dark .channel-card h3 { color: var(--text); }
html.dark .channel-card p { color: var(--text-muted); }
html.dark .channel-features li { color: #cbd5e1; }

html.dark .demo { background: #0f172a; }
html.dark .demo-screen { background: #1e293b; border-color: #2d3f55; }
html.dark .demo-screen-bar { background: #263349; }
html.dark .demo-screen-dot { background: #475569; }
html.dark .demo-screen-block { background: #152033; border-color: #2d3f55; }
html.dark .demo-screen-line { background: #334155; }
html.dark .demo-screen-line.dark { background: #e2e8f0; }
html.dark .demo-screen-line.blue { background: #1d4ed8; }
html.dark .demo-text h3 { color: var(--text); }
html.dark .demo-text p { color: var(--text-muted); }
html.dark .demo-points li { color: #cbd5e1; }
html.dark .demo-point-icon { background: rgba(37,99,235,0.2); }

html.dark .how { background: #0b1120; }
html.dark .step h3 { color: var(--text); }
html.dark .step p { color: var(--text-muted); }

html.dark .contact { background: #0f172a; }
html.dark .contact-info h3 { color: var(--text); }
html.dark .contact-info p { color: var(--text-muted); }
html.dark .contact-chip { color: #cbd5e1; }
html.dark .contact-chip-icon { background: rgba(37,99,235,0.15); }
html.dark .form-card { background: #1e293b; border-color: #2d3f55; }
html.dark .form-group label { color: #cbd5e1; }
html.dark .form-group input,
html.dark .form-group select,
html.dark .form-group textarea {
  background: #152033;
  border-color: #2d3f55;
  color: var(--text);
}
html.dark .form-group input:focus,
html.dark .form-group select:focus,
html.dark .form-group textarea:focus {
  border-color: var(--blue);
  background: #0f172a;
}
html.dark .form-group input::placeholder,
html.dark .form-group textarea::placeholder { color: #475569; }

html.dark .section-title { color: var(--text); }
html.dark .section-sub { color: var(--text-muted); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .navbar-links a:not(.btn) { display: none; }
  .mockup-sidebar { display: none; }
  .mockup-widget { display: none; }
  section { padding: 64px 20px; }
  .demo-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps::before { display: none; }
  .footer-top { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
}