:root {
  --bg-light: #f9f9f9;
  --text-light: #222;
  --bg-dark: #121212;
  --text-dark: #eaeaea;
  --accent-color: #1e90ff;
  --accent-hover: #0073e6;
}

body {
  font-family: "Poppins", sans-serif;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s, color 0.3s;
}

.light {
  background-color: var(--bg-light);
  color: var(--text-light);
}

.dark {
  background-color: var(--bg-dark);
  color: var(--text-dark);
}

img {
  width: 50;
  height: 40;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  background: var(--accent-color);
  color: white;
}

.logo img {
  width: 120px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 15px;
}

.contact-buttons button {
  background: white;
  color: var(--accent-color);
  border: none;
  padding: 10px 15px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}

.contact-buttons button:hover {
  background: var(--accent-hover);
  color: white;
}

#themeToggle {
  background: transparent;
  border: none;
  color: white;
  font-size: 1.3rem;
  cursor: pointer;
}

.hidden {
  display: none;
}

.intro {
  text-align: center;
  padding: 80px 20px;
}

.intro h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.intro p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: auto;
}

.cta {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 25px;
}

.cta button {
  background: var(--accent-color);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
}

.cta button:hover {
  background: var(--accent-hover);
}

.solutions {
  padding: 60px 20px;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 25px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.card i {
  font-size: 2rem;
  color: var(--accent-color);
  margin-bottom: 10px;
}

.cta-final {
  text-align: center;
  padding: 60px 20px;
}

footer {
  background: var(--accent-color);
  color: white;
  text-align: center;
  padding: 15px;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}