/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #0070f3;
  --secondary: #00d4ff;
  --dark: #1a1a2e;
  --bg: #f7f9fc;
  --text: #333;
  --muted: #666;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* NAVBAR */
.navbar {
  background: var(--dark);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: var(--secondary);
  font-weight: 700;
  font-size: 1.4rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(255,255,255,0.1);
  color: var(--secondary);
}

/* HERO */
.hero {
  background: linear-gradient(135deg, #eef5ff, #ffffff);
  padding: 70px 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero h1 {
  font-size: 2.6rem;
  line-height: 1.2;
  margin-bottom: 16px;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 22px;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
}

.meta-list {
  display: flex;
  gap: 14px;
  margin-top: 18px;
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}

/* SECTIONS */
section {
  padding: 60px 0;
}

h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.muted {
  color: var(--muted);
}

/* FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.features-grid article {
  background: #fff;
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

/* SCREENSHOTS */
.screens-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.screens-grid img {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

/* ADS */
.ad-section {
  margin: 40px 0;
}

/* FOOTER */
.footer {
  background: var(--dark);
  color: #aaa;
  text-align: center;
  padding: 30px 0;
}

.footer a {
  color: var(--secondary);
}

/* MOBILE */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }
}