:root {
  --accent: #66fcf1;
  --bg: #0b0e12;
  --bg-alt: #10151b;
  --card: #151b22;
  --border: #232b34;
  --text: #eef2f4;
  --text-dim: #a6b0ba;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

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

a { color: inherit; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 14, 18, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo { width: 34px; height: 34px; object-fit: contain; }

.brand-name {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent);
  letter-spacing: 0.02em;
}

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

.site-nav a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.95rem;
}

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

.nav-cta {
  color: var(--bg) !important;
  background: var(--accent);
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
}

/* Hero */
.hero {
  padding: 96px 0 80px;
  text-align: center;
  background:
    radial-gradient(circle at 50% -10%, rgba(102, 252, 241, 0.08), transparent 60%);
}

.hero-logo { width: 72px; height: 72px; margin: 0 auto 20px; object-fit: contain; }

.hero h1 {
  font-size: 3rem;
  margin: 0;
}

.tagline {
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 6px 0 20px;
}

.hero-lede {
  max-width: 560px;
  margin: 0 auto 32px;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
}

.btn-primary:hover { opacity: 0.9; }

/* Sections */
section { padding: 72px 0; }

section h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 8px;
}

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

/* Why grid */
.why { border-top: 1px solid var(--border); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

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

.why-card h3 {
  color: var(--accent);
  font-size: 1.1rem;
}

.why-card p {
  color: var(--text-dim);
  margin: 0;
}

.why-tagline {
  text-align: center;
  color: var(--accent);
  font-weight: 600;
  margin: 48px 0 0;
  font-size: 1.05rem;
}

/* Scale */
.scale {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.scale-inner {
  max-width: 720px;
  text-align: center;
}

.scale p {
  color: var(--text-dim);
  font-size: 1.05rem;
}

.scale strong { color: var(--accent); }

/* Product / screenshots */
.shot {
  margin: 0 auto 56px;
  max-width: 880px;
}

.shot:last-child { margin-bottom: 0; }

.shot img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.shot-caption {
  text-align: center;
  color: var(--text-dim);
  margin: 14px 0 0;
  font-size: 0.95rem;
}

/* How it works */
.how { border-top: 1px solid var(--border); }

.steps {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.steps li {
  display: flex;
  gap: 16px;
}

.step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--accent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.steps h3 { font-size: 1.05rem; margin-bottom: 6px; }
.steps p { color: var(--text-dim); margin: 0; font-size: 0.95rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
  background: var(--bg-alt);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

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

.footer-logo { width: 36px; height: 36px; object-fit: contain; }

.footer-tagline { color: var(--accent); font-size: 0.9rem; }

.footer-contact {
  text-decoration: none;
  color: var(--text-dim);
}

.footer-contact:hover { color: var(--accent); }

.copyright {
  width: 100%;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 24px 0 0;
}

/* Responsive */
@media (max-width: 760px) {
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 16px;
    display: none;
  }

  .site-nav.open { display: flex; }

  .nav-toggle { display: flex; }

  .hero h1 { font-size: 2.2rem; }

  .why-grid { grid-template-columns: 1fr; }

  .steps { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }

  .footer-brand { flex-direction: column; }
}