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

body {
  background: #f5f7fb;
}

/* HEADER */
.header {
  padding: 15px 40px;
  background: white;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 60px;
  border-radius: 50%;
}

/* HERO */
.hero {
  display: flex;
  align-items: center;
  padding: 50px;
  gap: 40px;
}

.hero-text {
  flex: 1;
}

.hero-text h1 {
  font-size: 36px;
  margin-bottom: 15px;
}

.hero-image img {
  width: 450px;
}

/* ABOUT */
.about {
  display: flex;
  align-items: center;
  padding: 60px 40px;
  gap: 40px;
}

.about-text {
  flex: 1;
}

.about-text h4 {
  color: #2b4eff;
}

.about-text h1 {
  font-size: 28px;
  margin: 10px 0;
}

.about-text p {
  color: #555;
}

.line {
  width: 60px;
  height: 3px;
  background: #2b4eff;
  margin: 10px 0;
}

.about-image img {
  width: 300px;
}

/* TABS */
.tabs {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 30px;
}

.tabs button {
  padding: 12px 20px;
  border: none;
  background: #eef2ff;
  border-radius: 8px;
  cursor: pointer;
}

/* SECTIONS */
.content-section {
  display: none;
  background: white;
  margin: 20px 40px;
  padding: 30px;
  border-radius: 10px;
}

/* GRID */
.grid {
  display: flex;
  gap: 40px;
  margin-top: 20px;
}

/* CONTACT */
.contact-grid {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.contact-card {
  background: #eef2ff;
  padding: 20px;
  border-radius: 10px;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero,
  .about {
    flex-direction: column;
    text-align: center;
  }

  .grid,
  .contact-grid {
    flex-direction: column;
  }

  .hero-image img,
  .about-image img {
    width: 100%;
  }
}