:root {
  --color-bg: #0f172a;
  --color-surface: #0b1120;
  --color-surface-elevated: #020617;
  --color-border-subtle: rgba(148, 163, 184, 0.25);
  --color-primary: #2563eb;
  --color-primary-soft: rgba(37, 99, 235, 0.12);
  --color-primary-strong: #1d4ed8;
  --color-text: #e5e7eb;
  --color-text-muted: #9ca3af;
  --color-accent: #22c55e;
  --color-danger: #ef4444;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.85);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 999px;
  --header-height: 64px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, #1f2937 0, #020617 60%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

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

main {
  padding-top: var(--header-height);
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.16), transparent 55%);
}

.section-header {
  max-width: 640px;
  margin: 0 auto 2.5rem auto;
  text-align: center;
}

.section-header h2 {
  font-size: 1.9rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem 0;
}

.section-header p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

.card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.98));
  border-radius: var(--radius-md);
  padding: 1.5rem 1.6rem;
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 12px 35px rgba(15, 23, 42, 0.7);
}

.card h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.96rem;
}

.list {
  list-style: none;
  margin: 0.5rem 0 0 0;
  padding: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.list li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.35rem;
}

.list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-decoration: none;
  text-transform: none;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.12s ease, box-shadow 0.12s ease,
    color 0.18s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  box-shadow: 0 14px 38px rgba(37, 99, 235, 0.5);
  color: #f9fafb;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 48px rgba(37, 99, 235, 0.6);
}

.btn-ghost {
  border-color: var(--color-border-subtle);
  color: var(--color-text-muted);
  background: rgba(15, 23, 42, 0.7);
}

.btn-ghost:hover {
  border-color: rgba(148, 163, 184, 0.6);
  color: var(--color-text);
}

.full-width {
  width: 100%;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  z-index: 20;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: radial-gradient(circle at 0 0, #93c5fd 0, #2563eb 40%, #1d4ed8 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #0b1120;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.04em;
  font-size: 1.05rem;
}

.brand-tagline {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.nav-link {
  position: relative;
  padding: 0.35rem 0;
  color: var(--color-text-muted);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transition: width 0.16s ease;
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-link-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: radial-gradient(circle at 0 0, rgba(37, 99, 235, 0.24), rgba(15, 23, 42, 0.9));
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.4);
}

.nav-link-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.85);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform 0.16s ease, opacity 0.16s ease;
}

@media (max-width: 768px) {
  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    padding: 0.75rem 1.5rem 1rem 1.5rem;
    flex-direction: column;
    gap: 0.35rem;
    background: radial-gradient(circle at 0 0, rgba(37, 99, 235, 0.2), rgba(15, 23, 42, 0.96));
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.14s ease-out, opacity 0.14s ease-out;
  }

  .site-nav.is-open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

.hero {
  padding: 4.25rem 0 4.5rem 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: 2.6rem;
  line-height: 1.1;
  letter-spacing: -0.06em;
  margin: 0 0 1.2rem 0;
}

.hero-copy p {
  margin: 0 0 1.5rem 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 30rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

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

.hero-glance {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  width: 100%;
  max-width: 360px;
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.35rem 1.4rem 1.35rem;
  border: 1px solid rgba(15, 23, 42, 0.9);
  background:
    radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.18), transparent 55%),
    radial-gradient(circle at 100% 0, rgba(37, 99, 235, 0.28), rgba(15, 23, 42, 1));
  box-shadow: var(--shadow-soft);
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.hero-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

.hero-card-pill {
  font-size: 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.hero-metrics {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 1.1rem;
}

.metric {
  display: grid;
  grid-template-columns: 1.4fr auto auto;
  align-items: baseline;
  column-gap: 0.5rem;
  font-size: 0.85rem;
}

.metric-label {
  color: var(--color-text-muted);
}

.metric-value {
  justify-self: end;
  font-weight: 600;
}

.metric-trend {
  justify-self: end;
  font-size: 0.78rem;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.metric-value.positive {
  color: #bbf7d0;
}

.metric-trend.positive {
  border-color: rgba(34, 197, 94, 0.6);
  color: #bbf7d0;
}

.metric-trend.neutral {
  color: var(--color-text-muted);
}

.hero-chart-placeholder {
  border-radius: 1rem;
  padding: 0.8rem;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.95));
  border: 1px dashed rgba(148, 163, 184, 0.45);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  text-align: center;
}

@media (max-width: 900px) {
  .hero {
    padding-top: 3.5rem;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
  }

  .hero-glance {
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  .hero-copy h1 {
    font-size: 2.05rem;
  }
}

.screenshot-frame {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: stretch;
  background: radial-gradient(circle at 0 0, rgba(37, 99, 235, 0.25), rgba(15, 23, 42, 1));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(15, 23, 42, 0.9);
  box-shadow: var(--shadow-soft);
  padding: 1.1rem;
}

.screenshot-sidebar {
  border-radius: 1rem;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 1)),
    radial-gradient(circle at 0 0, rgba(96, 165, 250, 0.2), transparent 60%);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.screenshot-main {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.screenshot-toolbar {
  height: 34px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.95), rgba(37, 99, 235, 0.4));
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.screenshot-content {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.screenshot-card {
  border-radius: 0.9rem;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.98));
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.hint {
  margin-top: 0.9rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .screenshot-frame {
    grid-template-columns: minmax(0, 1fr);
  }
}

.pricing-card {
  position: relative;
}

.pricing-price {
  margin: 0.3rem 0 0.9rem 0;
  font-weight: 600;
  font-size: 1.02rem;
}

.pricing-tag {
  position: absolute;
  top: 1.1rem;
  right: 1.2rem;
  font-size: 0.75rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.2);
  border: 1px solid rgba(96, 165, 250, 0.7);
}

.pricing-card-featured {
  border-color: rgba(37, 99, 235, 0.8);
  box-shadow: 0 18px 55px rgba(37, 99, 235, 0.5);
}

.contact-grid {
  align-items: flex-start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: #e5e7eb;
}

.field-group input,
.field-group textarea {
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.7);
  color: var(--color-text);
  padding: 0.55rem 0.8rem;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
  resize: vertical;
}

.field-group input::placeholder,
.field-group textarea::placeholder {
  color: rgba(148, 163, 184, 0.85);
}

.field-group input:focus,
.field-group textarea:focus {
  border-color: rgba(59, 130, 246, 0.9);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.75);
  background: rgba(15, 23, 42, 0.9);
}

.form-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.form-success {
  margin: 0;
  font-size: 0.82rem;
  color: #bbf7d0;
}

.contact-aside h3 {
  margin-top: 0;
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  padding: 1.5rem 0 1.7rem 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.98), #020617);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-meta {
  margin-left: 0.3rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--color-text-muted);
}

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

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}