:root {
  --default-font: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --primary-color: #63abd1;
  /* --hover-color: rgba(255, 255, 255, 0.8); */
  --hover-color: #000;
  --mobile-menu-bg: rgba(0, 0, 0, 0.9);
  --transition-speed: 0.3s;
}

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

body {
  font-family: var(--default-font);
  background-color: #111;
  color: var(--primary-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header Styles */
header {
  position: relative;
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

/* Logo placeholder */
.logo-placeholder {
  width: 120px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* Navigation Menu */
nav {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-menu li a {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  transition: color var(--transition-speed) ease;
  position: relative;
}

.nav-menu li a:hover {
  color: var(--hover-color);
}

/* Buttons placeholder */
.buttons-placeholder {
  width: 120px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--primary-color);
  border-radius: 3px;
  transition: all var(--transition-speed) ease;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--mobile-menu-bg);
  padding: 1rem 0;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity var(--transition-speed) ease,
    transform var(--transition-speed) ease;
  z-index: 999;
}

.mobile-menu.active {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu ul {
  list-style: none;
  text-align: center;
}

.mobile-menu ul li {
  margin: 1.5rem 0;
}

.mobile-menu ul li a {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 500;
  transition: color var(--transition-speed) ease;
}

.mobile-menu ul li a:hover {
  color: var(--hover-color);
}

/* Hero Section */
.hero {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 2rem;
  overflow: hidden;
}

.video-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.cta-button {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--primary-color);
  padding: 0.8rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color var(--transition-speed) ease;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-button:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* Responsive Styles */
@media (max-width: 768px) {
  header {
    padding: 1rem 1.5rem;
  }

  .nav-menu {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }
}