:root {
  --bg: #111827;            /* softer dark (slate) */
  --bg-soft: #1f2937;
  --text: #e5e7eb;
  --muted: #cbd5e1;
  --surface: #1e293b;
  --surface-2: #273449;
  --border: #334155;
  --accent: #60a5fa;
  --accent-strong: #3b82f6;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  --radius: 20px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(96, 165, 250, 0.18), transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(59, 130, 246, 0.12), transparent 35%),
    linear-gradient(180deg, #111827 0%, #0f172a 100%);
  line-height: 1.6;
}

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

.container {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.narrow {
  max-width: 760px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(15, 23, 42, 0.88);
  border-bottom: 1px solid rgba(96, 165, 250, 0.15);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
}

.brand {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  font-weight: 600;
}

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

.hero {
  padding: 5.5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.hero-copy {
  max-width: 48rem;
}

.eyebrow,
.section-label {
  margin-top: 0;
  margin-bottom: 0.85rem;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin-top: 0;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 0.7rem;
}

.hero-text,
.section-heading p,
.card p,
.feature-list-card li,
.contact-block p,
.narrow p {
  color: var(--muted);
}

.hero-text {
  font-size: 1.1rem;
  max-width: 44rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.button {
  display: inline-block;
  padding: 0.95rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.2s ease;
}

.button.primary {
  background: var(--accent-strong);
  color: white;
}

.button.primary:hover {
  filter: brightness(1.08);
}

.button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.button.secondary:hover {
  border-color: var(--accent);
}

.trust-list {
  margin-top: 1.5rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

.hero-panel {
  display: grid;
  gap: 1rem;
}

.panel-card,
.card,
.feature-list-card {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel-card {
  padding: 1.35rem 1.4rem;
}

.panel-card strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.panel-card span {
  color: var(--muted);
}

.section {
  padding: 4.25rem 0;
}

.section.alt {
  background: rgba(22, 35, 61, 0.55);
  border-top: 1px solid rgba(96, 165, 250, 0.12);
  border-bottom: 1px solid rgba(96, 165, 250, 0.12);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.cards-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  padding: 1.5rem;
}

.split-section {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: start;
}

.feature-list-card {
  padding: 1.5rem;
}

.feature-list-card ul {
  margin: 0;
  padding-left: 1.2rem;
}

.contact-block {
  text-align: left;
}

.site-footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
}

@media (max-width: 980px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .cards-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .split-section,
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .header-inner {
    flex-direction: column;
    justify-content: center;
    padding: 0.95rem 0;
    gap: 0.8rem;
  }

  .site-nav {
    justify-content: center;
  }

  .cards,
  .cards-4 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3.25rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    text-align: center;
  }
}
.contact-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.contact-card {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

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

.contact-note {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.process-card {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.process-number {
  width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
}

@media (max-width: 980px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

.assistant-box {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.assistant-box textarea {
  width: 100%;
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  resize: vertical;
}

.assistant-output {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid var(--border);
  color: var(--text);
  display: none;
}