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

:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #273449;
  --text: #f1f5f9;
  --text-muted: #c8d2e0;
  --accent: #f0b429;
  --accent-hover: #d49e1a;
  --border: #334155;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-menu a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-menu a:hover {
  color: var(--text);
}

.nav-cta {
  background: var(--accent);
  color: #0f172a !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: background var(--transition) !important;
}

.nav-cta:hover {
  background: var(--accent-hover) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(240, 180, 41, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(240, 180, 41, 0.12);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 32px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #0f172a;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(240, 180, 41, 0.25);
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--bg-card);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  background: rgba(240, 180, 41, 0.12);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== CARDS (Measure section) ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

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

.card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== DASHBOARDS ===== */
.dash-showcase {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.dash-item {
  display: flex;
  align-items: center;
  gap: 48px;
}

.dash-item:nth-child(even) {
  flex-direction: row-reverse;
}

.dash-visual {
  flex: 1;
  min-width: 0;
}

.dash-info {
  flex: 1;
}

.dash-info h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

.chart-placeholder {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 200px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 12px;
  padding: 20px;
}

.chart-bar div {
  width: 36px;
  background: linear-gradient(to top, var(--accent), #f7d070);
  border-radius: 4px 4px 0 0;
  transition: height 0.6s ease;
}

.chart-line svg,
.chart-pie svg {
  width: 100%;
  height: 100%;
}

.chart-pie svg {
  max-width: 140px;
}

/* ===== INSIGHTS ===== */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.insight-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  transition: all var(--transition);
}

.insight-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.insight-card-featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 32px rgba(240, 180, 41, 0.08);
}

.insight-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0f172a;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 16px;
  border-radius: 50px;
}

.insight-period {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 8px;
}

.insight-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.insight-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.insight-features {
  list-style: none;
}

.insight-features li {
  position: relative;
  padding-left: 22px;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.insight-features li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ===== CONTACT FORM ===== */
.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.form-row .form-group {
  flex: 1;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color var(--transition);
  font-family: inherit;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #64748b;
}

.btn-submit {
  width: 100%;
  font-size: 1rem;
}

.form-status {
  text-align: center;
  margin-top: 16px;
  font-size: 0.9rem;
  min-height: 1.4em;
}

.form-status.success {
  color: #4ade80;
}

.form-status.error {
  color: #f87171;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

  .cards-grid,
  .insights-grid {
    grid-template-columns: 1fr;
  }

  .dash-item {
    flex-direction: column !important;
    gap: 20px;
  }

  .dash-visual {
    width: 100%;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    transform: translateY(-110%);
    transition: transform 0.35s ease;
    border-bottom: 1px solid var(--border);
  }

  .nav-menu.active {
    transform: translateY(0);
  }

  .nav-toggle {
    display: block;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.6rem;
  }

  .section {
    padding: 64px 0;
  }

  .card {
    padding: 24px;
  }
}