/* Dark theme base */
:root {
  --bg: #0b0b0c;
  --bg-elev: #121214;
  --text: #e6e6e6;
  --muted: #a8a8b3;
  --primary: #6ea8fe;
  --primary-contrast: #0a0a0b;
  --border: #1f2023;
  --accent: #7c5cff;
  --danger: #ff6b6b;
  --success: #4dd4ac;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 10, 12, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  height: 36px;
  object-fit: contain;
}

.brand-name {
  font-weight: 600;
  letter-spacing: 0.2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  color: var(--text);
  opacity: 0.9;
}

.nav-links a.active {
  color: var(--accent);
}

/* Hero / Sections */
.section {
  padding: 64px 0;
}

.hero {
  padding: 72px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.3px;
}

.title {
  font-size: 44px;
  line-height: 1.15;
  margin: 14px 0 10px;
}

.tagline {
  color: var(--muted);
  font-size: 18px;
  margin: 0 0 24px;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 44px;
  padding: 0 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #1a1b1e, #111214);
  color: var(--text);
  font-weight: 600;
}

.btn.primary {
  background: linear-gradient(180deg, var(--accent), #5a3eff);
  color: white;
  border-color: transparent;
}

.btn:active {
  transform: translateY(1px);
}

.device-frame {
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.35);
}

.device-frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* Content typography */
.prose {
  color: var(--muted);
}

.prose h1,
.prose h2,
.prose h3 {
  color: var(--text);
}

.prose h1 { font-size: 32px; margin: 0 0 12px; }
.prose h2 { font-size: 24px; margin: 22px 0 8px; }
.prose p { margin: 10px 0; }
.prose ul { margin: 8px 0 14px 18px; }
.prose li { margin: 6px 0; }

/* Forms */
.form {
  display: grid;
  gap: 14px;
  max-width: 640px;
}

.field {
  display: grid;
  gap: 6px;
}

label { color: var(--text); font-weight: 500; }

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  background: #0f1012;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
}

textarea { min-height: 140px; resize: vertical; }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  margin-top: 56px;
  padding: 22px 0;
  color: var(--muted);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.legal {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Responsive */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .title { font-size: 36px; }
}

@media (max-width: 520px) {
  .nav-links { display: none; }
  .title { font-size: 30px; }
}