/* ====================================================
   SECTION HEIGHT SOURCES (audit reference)
   ====================================================
   #stat-bar         — content-driven, padding: 20px 0
   #hero             — content-driven, padding: 80px 0 / 48px 0
   #problem          — content-driven, padding: 80px 0 / 48px 0
   #solution         — content-driven, padding: 80px 0 / 48px 0
   #features         — content-driven, padding: 80px 0 / 48px 0
   #how-it-works     — content-driven, padding: 80px 0 / 48px 0
   #technology       — content-driven, padding: 80px 0 / 48px 0
   #pricing          — content-driven, padding: 80px 0 / 48px 0
   #roadmap          — content-driven, padding: 80px 0 / 48px 0
   #company          — content-driven, padding: 80px 0 / 48px 0
   #contact          — content-driven, padding: 80px 0 / 48px 0
   footer            — content-driven, padding: 48px 0 24px
   ==================================================== */

/* ── Design Tokens ── */
:root {
  --color-primary: #0F172A;
  --color-accent: #3B82F6;
  --color-accent-hover: #2563EB;
  --color-accent-light: #EFF6FF;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-surface: #F8FAFC;
  --color-surface-dark: #F1F5F9;
  --color-card: #FFFFFF;
  --color-text: #0F172A;
  --color-text-secondary: #64748B;
  --color-text-muted: #94A3B8;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;
  --color-dark-surface: #1E293B;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --nav-height: 64px;
  --subnav-height: 48px;
  --total-nav: 112px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: var(--total-nav); }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-card);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-accent-hover); }
ul { list-style: none; }
::selection { background: var(--color-accent); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-surface); }
::-webkit-scrollbar-thumb { background: var(--color-text-muted); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-secondary); }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Typography ── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.25rem, 5vw, 3.25rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.125rem, 2vw, 1.375rem); }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  line-height: 1.7;
  max-width: 640px;
}
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  line-height: 1.4;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59,130,246,0.35);
}
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-text);
  color: var(--color-text);
  transform: translateY(-1px);
}
.btn-white {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.btn-white:hover {
  background: var(--color-surface);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.btn-white-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn-white-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}
.btn-sm { padding: 8px 20px; font-size: 0.8125rem; }

/* ── Main Navbar ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-primary);
  z-index: 1000;
  transition: box-shadow 0.3s, background 0.3s;
}
.navbar.scrolled {
  background: rgba(15,23,42,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav-brand svg { flex-shrink: 0; }
.nav-brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  color: rgba(255,255,255,0.75);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
  text-decoration: none;
}
.nav-links a:hover { color: #fff; }
.nav-cta .btn { padding: 8px 20px; font-size: 0.8125rem; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1010;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}
body.menu-open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .hamburger span:nth-child(2) { opacity: 0; }
body.menu-open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-primary);
  z-index: 999;
  padding: 24px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}
body.menu-open .mobile-menu { display: flex; }
.mobile-menu a {
  color: rgba(255,255,255,0.85);
  font-size: 1.125rem;
  font-weight: 500;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-decoration: none;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: #fff; }
.mobile-menu .btn { margin-top: 16px; text-align: center; justify-content: center; }

/* ── Sub-Navigation ── */
.sub-nav {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  height: var(--subnav-height);
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  z-index: 998;
  transition: box-shadow 0.3s;
}
.sub-nav.has-shadow { box-shadow: var(--shadow-sm); }
.sub-nav .container {
  display: flex;
  align-items: center;
  height: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  gap: 0;
}
.sub-nav .container::-webkit-scrollbar { display: none; }
.sub-nav a {
  flex-shrink: 0;
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.sub-nav a:hover { color: var(--color-text); }
.sub-nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ── Spacer for fixed navbars ── */
.nav-spacer { height: var(--total-nav); }

/* ── Stat Bar ── */
.stat-bar {
  background: var(--color-primary);
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.stat-bar .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 12px 8px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: rgba(255,255,255,0.1);
}
.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.4;
}

/* ── Hero Section ── */
.hero { padding: 80px 0; background: var(--color-card); }
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-content { max-width: 560px; }
.hero-content h1 { margin-bottom: 20px; color: var(--color-text); }
.hero-content .subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-trust { font-size: 0.8125rem; color: var(--color-text-muted); }

/* ── Dashboard Mockup (CSS-only live dashboard) ── */
.mockup-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}
.mockup-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), #8B5CF6, var(--color-accent));
}
.mockup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}
.mockup-title { font-size: 0.875rem; font-weight: 700; color: var(--color-text); }
.mockup-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.mockup-badge-live { background: rgba(16,185,129,0.1); color: var(--color-success); }
.mockup-live-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-dot 1.5s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.mockup-clock {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-left: 8px;
}
.mockup-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.mockup-stat {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
  transition: background 0.3s;
}
.mockup-stat-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-bottom: 4px;
}
.mockup-stat-dot.green { background: var(--color-success); }
.mockup-stat-dot.amber { background: var(--color-warning); }
.mockup-stat-dot.red { background: var(--color-danger); }
.mockup-stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  transition: color 0.3s;
}
.mockup-stat-label {
  display: block;
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* Capacity bars */
.mockup-capacity { margin-bottom: 16px; }
.capacity-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.6875rem;
}
.capacity-label {
  width: 60px;
  flex-shrink: 0;
  color: var(--color-text-secondary);
  font-weight: 500;
}
.capacity-track {
  flex: 1;
  height: 8px;
  background: var(--color-surface-dark);
  border-radius: 4px;
  overflow: hidden;
}
.capacity-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1.2s ease, background-color 0.5s;
  width: 0;
}
.capacity-fill.green { background: var(--color-success); }
.capacity-fill.amber { background: var(--color-warning); }
.capacity-fill.red { background: var(--color-danger); }
.capacity-pct {
  width: 32px;
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-text-secondary);
  font-size: 0.625rem;
}

/* Chart */
.mockup-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
  padding: 10px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
}
.mockup-bar {
  flex: 1;
  background: var(--color-accent-light);
  border-radius: 3px 3px 0 0;
  height: 0;
  transition: height 0.8s ease;
  position: relative;
}
.mockup-bar.animated { height: var(--bar-height); }
.mockup-bar.accent { background: var(--color-accent); }
.mockup-bar.warning-bar { background: var(--color-warning); }
.mockup-bar.danger-bar { background: rgba(239,68,68,0.7); }

/* Table */
.mockup-table { display: flex; flex-direction: column; gap: 0; }
.mockup-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr 0.7fr 0.7fr;
  gap: 8px;
  align-items: center;
  padding: 7px 10px;
  font-size: 0.6875rem;
  border-bottom: 1px solid var(--color-border-light);
  transition: background 0.3s;
}
.mockup-row:last-child { border-bottom: none; }
.mockup-row.highlight { background: rgba(245,158,11,0.05); }
.mockup-cell {
  color: var(--color-text-secondary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mockup-cell:first-child {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--color-text);
}
.mockup-pill {
  font-size: 0.5625rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  text-align: center;
  white-space: nowrap;
  transition: background 0.5s, color 0.5s;
}
.mockup-pill.success { background: rgba(16,185,129,0.1); color: var(--color-success); }
.mockup-pill.warning { background: rgba(245,158,11,0.1); color: var(--color-warning); }
.mockup-pill.danger { background: rgba(239,68,68,0.1); color: var(--color-danger); }
.mockup-footer {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.625rem;
  color: var(--color-text-muted);
}
.mockup-footer-update {
  display: flex;
  align-items: center;
  gap: 4px;
}
.update-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-dot 2s infinite;
}

/* ── Problem Section ── */
.problem { padding: 80px 0; background: var(--color-surface); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.problem-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.problem-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.problem-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.problem-icon.red { background: rgba(239,68,68,0.1); color: var(--color-danger); }
.problem-icon.amber { background: rgba(245,158,11,0.1); color: var(--color-warning); }
.problem-icon.blue { background: rgba(59,130,246,0.1); color: var(--color-accent); }
.problem-icon.purple { background: rgba(139,92,246,0.1); color: #8B5CF6; }
.problem-card h3 { margin-bottom: 8px; font-size: 1.125rem; }
.problem-card p { color: var(--color-text-secondary); font-size: 0.9375rem; line-height: 1.65; }
.impact-box {
  margin-top: 32px;
  background: var(--color-accent-light);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  text-align: center;
}
.impact-box strong { color: var(--color-accent); }
.impact-box span { color: var(--color-text-secondary); }

/* ── Solution Section ── */
.solution { padding: 80px 0; background: var(--color-card); }
.solution .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.solution-items { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }
.solution-item { display: flex; gap: 16px; }
.solution-item .check-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(16,185,129,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.solution-item h3 { font-size: 1rem; margin-bottom: 4px; }
.solution-item p { color: var(--color-text-secondary); font-size: 0.9375rem; line-height: 1.6; }
.solution-callout {
  margin-top: 32px;
  padding: 16px 20px;
  border-left: 3px solid var(--color-success);
  background: rgba(16,185,129,0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-style: italic;
}
.img-container {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--color-dark-surface);
}
.img-container img { width: 100%; height: 100%; object-fit: cover; }
.img-container.ratio-4-3 { aspect-ratio: 4/3; }
.img-container.ratio-16-9 { aspect-ratio: 16/9; }
.img-container.ratio-21-9 { aspect-ratio: 21/9; }

/* ── Features Section ── */
.features { padding: 80px 0; background: var(--color-surface); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
.feature-card.accent-blue::before { background: var(--color-accent); }
.feature-card.accent-red::before { background: var(--color-danger); }
.feature-card.accent-amber::before { background: var(--color-warning); }
.feature-card.accent-green::before { background: var(--color-success); }
.feature-card.accent-purple::before { background: #8B5CF6; }
.feature-card.accent-teal::before { background: #14B8A6; }
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  background: var(--color-surface);
}
.feature-card h3 { margin-bottom: 8px; font-size: 1.0625rem; }
.feature-card p { color: var(--color-text-secondary); font-size: 0.9375rem; line-height: 1.6; }
.features-users {
  margin-top: 32px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ── How It Works ── */
.how-it-works { padding: 80px 0; background: var(--color-card); }
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 48px;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--color-border);
}
.timeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 12px;
  position: relative;
}
.step-number {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  margin-bottom: 20px;
  box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--color-border);
}
.timeline-step h3 { font-size: 1rem; margin-bottom: 8px; }
.timeline-step p { color: var(--color-text-secondary); font-size: 0.875rem; line-height: 1.6; }
.scenario-box {
  margin-top: 48px;
  padding: 24px;
  background: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}
.scenario-box strong {
  display: block;
  margin-bottom: 4px;
  color: var(--color-accent);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.scenario-box p { color: var(--color-text-secondary); font-size: 0.9375rem; line-height: 1.6; }

/* ── Technology Section ── */
.technology { padding: 80px 0; background: var(--color-primary); color: #fff; }
.technology .section-subtitle { color: rgba(255,255,255,0.6); }
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.tech-card {
  background: var(--color-dark-surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.tech-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.tech-card h3 {
  font-size: 1.125rem;
  color: #fff;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}
.tech-card p { color: #CBD5E1; font-size: 0.9375rem; line-height: 1.65; }
.tech-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.tech-info-block h4 {
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  font-weight: 600;
}
.tech-info-block p { color: #CBD5E1; font-size: 0.875rem; line-height: 1.65; }

/* ── Pricing Section ── */
.pricing { padding: 80px 0; background: var(--color-surface); }

/* Toggle */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
  margin-bottom: 8px;
}
.pricing-toggle-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color 0.2s;
}
.pricing-toggle-label.active { color: var(--color-text); font-weight: 600; }
.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
  cursor: pointer;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 13px;
  transition: background 0.3s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  left: 3px; top: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.3s;
  box-shadow: var(--shadow-sm);
}
.toggle-switch input:checked + .toggle-slider { background: var(--color-accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(22px); }
.pricing-save-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-success);
  background: rgba(16,185,129,0.1);
  padding: 2px 8px;
  border-radius: 999px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
  align-items: start;
}
.pricing-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  position: relative;
  transition: transform 0.3s;
}
.pricing-card:hover { transform: translateY(-3px); }
.pricing-card.featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-xl);
  transform: scale(1.02);
}
.pricing-card.featured:hover { transform: scale(1.02) translateY(-3px); }
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pricing-name {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.pricing-price {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
  transition: opacity 0.3s;
}
.pricing-period {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}
.pricing-desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border-light);
}
.pricing-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}
.pricing-feature svg { flex-shrink: 0; margin-top: 2px; color: var(--color-success); }
.pricing-card .btn { width: 100%; justify-content: center; }
.pricing-note {
  margin-top: 32px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

/* ── Roadmap Section ── */
.roadmap { padding: 80px 0; background: var(--color-card); }
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 48px;
  position: relative;
}
.roadmap-grid::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: var(--color-border);
}
.phase-card { padding: 0 16px; position: relative; }
.phase-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--color-border);
  margin-left: auto;
  margin-right: auto;
}
.phase-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 4px;
}
.phase-card h3 { font-size: 1rem; margin-bottom: 12px; }
.phase-card ul { display: flex; flex-direction: column; gap: 6px; }
.phase-card li {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}
.phase-card li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-border);
}

/* ── Company Section ── */
.company { padding: 80px 0; background: var(--color-surface); }
.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}
.company-details-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.company-details-card h3 { font-size: 1.125rem; margin-bottom: 20px; }
.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.875rem;
}
.detail-row:last-child { border-bottom: none; }
.detail-label { color: var(--color-text-muted); font-weight: 500; }
.detail-value { color: var(--color-text); font-weight: 600; text-align: right; max-width: 60%; }
.status-active { display: inline-flex; align-items: center; gap: 6px; }
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  display: inline-block;
}
.directors-section h3 { font-size: 1.125rem; margin-bottom: 20px; }
.director-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: box-shadow 0.3s;
}
.director-card:hover { box-shadow: var(--shadow-md); }
.director-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
}
.director-info h4 { font-size: 1rem; margin-bottom: 2px; }
.director-info p { font-size: 0.8125rem; color: var(--color-text-muted); margin-bottom: 4px; }
.director-info a { font-size: 0.8125rem; color: var(--color-accent); }
.company-image {
  margin-top: 32px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--color-dark-surface);
  aspect-ratio: 21/9;
}
.company-image img { width: 100%; height: 100%; object-fit: cover; }
.company-image-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* ── Contact / CTA Section ── */
.contact {
  padding: 80px 0;
  background: linear-gradient(135deg, #3B82F6 0%, #6366F1 100%);
  color: #fff;
  text-align: center;
}
.contact h2 { color: #fff; margin-bottom: 16px; }
.contact .section-subtitle { color: rgba(255,255,255,0.85); margin-bottom: 32px; }
.contact-buttons { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }

/* Contact form */
.contact-form-wrap {
  max-width: 560px;
  margin: 0 auto 32px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: left;
}
.contact-form-wrap h3 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 24px;
  text-align: center;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  transition: border-color 0.2s, background 0.2s;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.4);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.18);
}
.form-group select option { color: var(--color-text); background: #fff; }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group .field-error {
  font-size: 0.75rem;
  color: #FCA5A5;
  display: none;
}
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #FCA5A5;
}
.form-group.has-error .field-error { display: block; }
.form-submit { margin-top: 20px; text-align: center; }
.form-submit .btn { min-width: 200px; }

/* Success state */
.form-success {
  text-align: center;
  padding: 40px 20px;
}
.form-success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(16,185,129,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.form-success h3 { color: #fff; margin-bottom: 8px; }
.form-success p { color: rgba(255,255,255,0.8); font-size: 0.9375rem; }

.contact-info-bar {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
}
.contact-info-bar a { color: rgba(255,255,255,0.9); }
.contact-info-bar a:hover { color: #fff; }

/* ── Footer ── */
.footer {
  background: var(--color-primary);
  padding: 48px 0 24px;
  color: rgba(255,255,255,0.6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand-text { font-size: 1.25rem; font-weight: 800; color: #fff; margin-bottom: 8px; }
.footer-tagline { font-size: 0.875rem; color: rgba(255,255,255,0.5); margin-bottom: 16px; line-height: 1.6; }
.footer-copyright { font-size: 0.75rem; color: rgba(255,255,255,0.35); }
.footer h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}
.footer ul { display: flex; flex-direction: column; gap: 8px; }
.footer li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
}
.footer li a:hover { color: #fff; }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s;
  z-index: 900;
  box-shadow: var(--shadow-lg);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

/* ── Scroll Animations ── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .timeline::before { display: none; }
  .timeline-step:nth-child(n+4) { margin-top: 24px; }
  .roadmap-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .roadmap-grid::before { display: none; }
  .phase-card { margin-bottom: 24px; }
}

@media (max-width: 768px) {
  :root { --nav-height: 60px; --subnav-height: 44px; --total-nav: 104px; }
  .hamburger { display: flex; }
  .nav-links, .nav-cta { display: none; }
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 48px 0; }
  .hero-content { max-width: 100%; }
  .problem { padding: 48px 0; }
  .problem-grid { grid-template-columns: 1fr; }
  .solution { padding: 48px 0; }
  .solution .container { grid-template-columns: 1fr; gap: 32px; }
  .solution-image-wrap { order: -1; }
  .features { padding: 48px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .how-it-works { padding: 48px 0; }
  .timeline { grid-template-columns: 1fr; gap: 32px; }
  .timeline::before { display: none; }
  .timeline-step { align-items: flex-start; text-align: left; flex-direction: row; gap: 16px; }
  .step-number { margin-bottom: 0; flex-shrink: 0; }
  .technology { padding: 48px 0; }
  .tech-grid { grid-template-columns: 1fr; }
  .tech-info { grid-template-columns: 1fr; }
  .pricing { padding: 48px 0; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-3px); }
  .roadmap { padding: 48px 0; }
  .roadmap-grid { grid-template-columns: 1fr; gap: 24px; }
  .company { padding: 48px 0; }
  .company-grid { grid-template-columns: 1fr; }
  .contact { padding: 48px 0; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .stat-bar .container { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2)::after { display: none; }
  .stat-number { font-size: 1.5rem; }
  .sub-nav a { padding: 0 12px; font-size: 0.75rem; }
  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; }
}

@media (max-width: 480px) {
  .stat-bar .container { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-item:not(:last-child)::after { display: none; }
  .mockup-row { grid-template-columns: 1fr 1fr; }
  .mockup-cell:nth-child(2) { display: none; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  h1 { font-size: 1.875rem; }
}