:where(*) {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --font-family: Arial, Helvetica, sans-serif;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  line-height: 1.6;
  background-color: black;
  overflow-x: hidden;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
header {
  color: white;
  padding: 100px 20px 120px;
  text-align: center;
  position: relative;
}
.hero-title {
  padding-top: 100px;
  background: linear-gradient(
    90deg,
    rgb(255, 255, 255),
    rgb(172, 172, 185),
    rgb(74, 75, 75)
  );
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 30px;
  letter-spacing: -2px;
  line-height: 1.1;
}
.cta-button {
  display: inline-block;
  background: linear-gradient(90deg, rgb(19, 168, 224), rgb(255, 255, 255));
  color: black;
  padding: 20px 20px;
  margin: 15px;
  border-radius: 100px;
  border: none;
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: 0.5s;
}
.cta-button:hover {
  transform: scale(1.1);
  box-shadow: 0 0 2px rgba(255, 255, 255, 0.616);
}
.cards {
  overflow: hidden;
  max-width: 100%;
  padding: 1rem;
  position: relative;
}

.cards-track {
  display: flex;
  gap: 2rem;
}

.improvement {
  flex: 0 0 100%;
  background: white;
  border-radius: 10px;
  padding: 2rem;
  font-size: 1.2rem;
}
.improvement:hover {
  transform: translateY(-10px);
  cursor: pointer;
}
.improvement:hover p {
  font-size: 1.3rem;
  transition: font-size 0.4s ease-in-out;
}
.benefits-number {
  font-size: 4rem;
  font-weight: 900;
  background-color: rgb(19, 168, 224);
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.improvement h2 {
  line-height: 1.8;
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 1rem;
}
.features {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  background-color: black;
  padding: 40px 20px;
  overflow: hidden;
}
.features h2 {
  width: 100%;
  margin-bottom: 50px;
  text-align: center;
}
.second-title {
  font-size: 3rem;
  color: white;
}

.topics {
  color: white;
  background-color: #222;
  border: 2px solid black;
  border-radius: 50px;
  font-weight: 600;
  padding: 15px 20px;
  transition: 0.5s;
  cursor: pointer;
}
.topics:hover {
  border-color: rgb(19, 168, 224);
  color: rgb(19, 168, 224);
  transform: scale(1.1);
}

.fraction {
  background: linear-gradient(120deg, rgb(0, 0, 0), rgb(44, 44, 44));
  border: 2px solid black;
  border-radius: 40px;
  text-align: center;
  padding: 40px 0;
  overflow: hidden;
}
.fraction h2 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: white;
  font-weight: 800;
}
.fraction p {
  font-size: 1.5rem;
  margin-bottom: 30px;
  color: #888;
}
footer {
  background-color: black;
  color: #555;
  text-align: center;
  padding: 60px 0px;
  border-top: 1px solid #222;
}