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

body {
  font-family: Helvetica, Arial, sans-serif;
  color: #111;
  background: #fff;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

/* HEADER */
.header {
  border-bottom: 1px solid #222;
  background: #333;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
}

.nav {
  display: flex;
  gap: 10px;
}

.nav a {
  text-decoration: none;
  color: #eee;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 15px;
  border-radius: 4px;
  transition: background 0.3s, color 0.3s;
}

.nav a:hover, .nav a.active {
  background: #fff;
  color: #333;
}

.hamburger {
  display: none;
  font-size: 22px;
  cursor: pointer;
  color: #fff;
}

/* HERO */
.hero {
  padding: 0;
  background: #fff;
}

.hero-container {
  display: flex;
  justify-content: center;
  padding: 0;
}

.hero img {
  width: 100%;
  max-width: 950px;
  height: auto;
  display: block;
}

/* TABS */
.tabs-section {
  padding: 60px 0;
  background: #f4f4f4; 
}

.tabs {
  display: flex;
  gap: 0;
  border-bottom: none;
  margin-bottom: 0;
  flex-wrap: wrap;
}

.tab {
  background: transparent;
  border: none;
  font-size: 15px;
  font-weight: 600;
  padding: 15px 30px;
  cursor: pointer;
  color: #555;
  letter-spacing: 1px;
}

.tab.active {
  background: #fff; 
  color: #c62828;
  border-top: 2px solid #c62828;
}

.tab-content {
  display: none;
  background: #fff; 
  padding: 40px;
  max-width: 100%;
  min-height: 200px;
}

.tab-content.active {
  display: block;
}

.tab-content h2 {
  margin-bottom: 20px;
}

.tab-content ul {
  list-style: none;
  padding-left: 20px;
}

.tab-content li {
  margin-bottom: 10px;
}

/* FOOTER */
footer {
  padding: 40px 0;
  text-align: center;
  font-size: 12px;
  border-top: 1px solid #eee;
  background: #fff;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .nav {
    position: absolute;
    top: 70px;
    right: 0;
    background: #333;
    flex-direction: column;
    width: 220px;
    padding: 20px;
    border-left: 1px solid #222;
    display: none;
    box-shadow: -2px 5px 10px rgba(0,0,0,0.2);
  }

  .nav.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .tabs {
    flex-direction: column;
  }

  .tab {
    width: 100%;
    text-align: left;
    border-bottom: 1px solid #ddd;
  }

  .tab.active {
    border-top: none;
    border-left: 3px solid #c62828;
  }
}