:root {
  --primary: #0b1f33;
  --accent: #1fc777;
  --light: #f5f7fa;
  --dark: #111;
  --text: #333;
}

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

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  line-height: 1.6;
}

/* GENERAL */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 40px 20px;
}

h1, h2, h3, h4 {
  line-height: 1.3;
}

.subtitle {
  max-width: 720px;
  margin: 20px auto;
  font-size: 1.05rem;
}

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--primary), #000);
  color: white;
  text-align: center;
  padding: 110px 20px;
}

.btn-primary {
  display: inline-block;
  margin-top: 30px;
  background: var(--accent);
  color: #000;
  padding: 14px 34px;
  border-radius: 6px;
  font-weight: bold;
  text-decoration: none;
}

/* SECTIONS */
.section {
  padding: 80px 0;
}

.section.dark {
  background: var(--primary);
  color: white;
}

.section.light {
  background: var(--light);
}

/* GRIDS */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

/* CARDS */
.card {
  background: white;
  color: var(--text);
  padding: 30px;
  border-radius: 8px;
}

/* LISTS */
.list li {
  margin: 12px 0;
}

/* BENEFITS */
.benefits p {
  font-weight: 500;
}

/* VIDEO */
.video-section {
  text-align: center;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  margin-top: 40px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 25px 45px rgba(0,0,0,0.25);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* CTA */
.cta {
  background: var(--dark);
  color: white;
  text-align: center;
  padding: 90px 20px;
}