* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, sans-serif;
}

body {
  line-height: 1.6;
  color: #222;
}

/* HERO */
.hero {
  height: 100vh;
  background: url('images/hero.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding: 20px;
}

.hero h1 {
  font-size: 2.6rem;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.hero p {
  margin-bottom: 0.8rem;
}

.hero .sub {
  font-size: 0.95rem;
  opacity: 0.85;
  margin-bottom: 1.5rem;
}

/* BUTTON */
.btn {
  display: inline-block;
  background: black;
  color: white;
  padding: 12px 26px;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 500;
}

/* SECTIONS */
.section {
  padding: 60px 20px;
  max-width: 1000px;
  margin: auto;
}

.section.light {
  background: #f5f5f5;
}

.section.dark {
  background: #111;
  color: white;
}

.section.center {
  text-align: center;
}

h2 {
  margin-bottom: 20px;
  font-size: 1.8rem;
}

h3 {
  margin-top: 10px;
}

/* GRID */
.grid {
  display: grid;
  gap: 30px;
  margin-top: 30px;
  align-items: center;
}

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

.grid.three {
  grid-template-columns: repeat(3, 1fr);
}

/* CARDS */
.card {
  padding: 10px;
}

/* IMAGES */
img {
  width: 100%;
  display: block;
}

.grid.two img {
  max-width: 450px;
  margin: auto;
}

/* PROOF SECTION */
.proof-section {
  padding-top: 10px;
  padding-bottom: 40px;
  margin-top: -30px;
}

.proof-img {
  max-width: 350px;
  margin: 0px auto 5px;
}

/* LIST */
.list {
  list-style: none;
  margin-top: 15px;
}

.list li {
  margin: 6px 0;
}

/* CTA BUTTON FIX */
.section.dark .btn {
  background: white;
  color: black;
}

/* MOBILE */
@media (max-width: 768px) {
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }

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

  .hero {
    background: url('images/hero-mobile.jpg') 85% center/cover no-repeat;
  }

  .section.center .list {
    max-width: 500px;
    margin: 15px auto 0;
  }

  .section.center p {
    margin-bottom: 5px;
  }

  .list li {
    margin: 4px 0;
  }

  .section.dark p {
    max-width: 500px;
    margin: 10px auto 20px;
  }
}