:root {
  --bg: #0b1220;
  --bg-alt: #101a2c;
  --surface: #16223a;
  --border: #24324d;
  --text: #e7edf7;
  --text-dim: #9fb0c9;
  --accent: #4fd1c5;
  --accent-dim: #2f9c92;
  --max-width: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / nav */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.brand .dot { color: var(--accent); }

.brand-logo {
  height: 30px;
  width: auto;
  display: block;
}

.screenshot {
  display: block;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.screenshot-caption {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 16px 0 0;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
  align-items: start;
}

.screenshot-grid .screenshot {
  max-width: 100%;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--text-dim);
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  text-decoration: none;
}

.nav-cta {
  padding: 8px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #04211d !important;
  font-weight: 600;
}
.nav-cta:hover { background: var(--accent-dim); text-decoration: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1.4rem;
  padding: 4px 10px;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 96px 0 72px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 20px;
  line-height: 1.15;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 36px;
}

.btn-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #04211d;
}
.btn-primary:hover { background: var(--accent-dim); text-decoration: none; }

.btn-secondary {
  border-color: var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--accent); text-decoration: none; }

/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--bg-alt); }

h2.section-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  text-align: center;
  margin: 0 0 12px;
}

p.section-sub {
  text-align: center;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto 48px;
}

/* Cards */
.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}

.card .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(79, 209, 197, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card p {
  color: var(--text-dim);
  margin: 0;
  font-size: 0.95rem;
}

/* Feature list (product page) */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 20px;
}

.feature-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-list .check {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(79, 209, 197, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  margin-top: 2px;
}

.feature-list strong { display: block; margin-bottom: 2px; }
.feature-list span.desc { color: var(--text-dim); font-size: 0.95rem; }

/* Two column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 800px) {
  .two-col { grid-template-columns: 1fr; }
}

/* CTA banner */
.cta-banner {
  text-align: center;
  background: linear-gradient(135deg, rgba(79, 209, 197, 0.12), rgba(79, 209, 197, 0.02));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 56px 32px;
}

.cta-banner h2 { margin: 0 0 12px; }
.cta-banner p { color: var(--text-dim); margin: 0 0 28px; }

/* Forms */
form.contact-form {
  display: grid;
  gap: 18px;
  max-width: 560px;
  margin: 0 auto;
}

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

.field label { font-size: 0.9rem; color: var(--text-dim); }

.field input,
.field textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
}

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

.field textarea { resize: vertical; min-height: 120px; }

.form-note {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 16px;
}

#form-status {
  text-align: center;
  font-size: 0.95rem;
  min-height: 1.2em;
}

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

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

/* Badge */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(79, 209, 197, 0.15);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}