* {
  box-sizing: border-box;
}
html,
body {
  overflow-x: hidden;
}
:root {
  --color-graphite: #1e1f26;
  --color-night: #2a2e45;
  --color-paper: #f8f9fa;
  --color-cyan: #00d9c0;
  --color-white: #ffffff;
  --color-light-gray: #e3e4e6;
}

body {
  font-family: "Segoe UI", "Inter", sans-serif;
  background-color: var(--color-graphite);
  color: var(--color-paper);
  line-height: 1.7;
  margin: 0;
}

h1,
h2,
h3,
h4,
h5 {
  font-weight: 700;
  color: var(--color-paper);
}

a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: #ffffff;
}

.btn-cyan {
  background-color: var(--color-cyan);
  color: #121212;
  padding: 0.7rem 1.5rem;
  font-weight: 600;
  border: none;
  transition: background 0.3s ease;
}

.btn-cyan:hover {
  background-color: #00bca5;
  color: var(--color-white);
}

.btn-outline-cyan {
  border: 2px solid var(--color-cyan);
  color: var(--color-cyan);
  background: transparent;
  transition: all 0.3s ease;
}

.btn-outline-cyan:hover {
  background: var(--color-cyan);
  color: #121212;
}
.navbar-brand {
  color: #00d9c0 !important;
  font-size: 1.5rem;
}

.navbar-nav .nav-link {
  color: #f1f1f1;
  margin-left: 1rem;
  margin-right: 1rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: #00d9c0;
}

.dropdown-menu-dark {
  background-color: #1e1f26;
  border: 1px solid #333;
}

.dropdown-item {
  color: #e6e6e6;
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background-color: #00d9c0;
  color: #121212;
}

.bg-dark {
  background-color: var(--color-graphite) !important;
}

.bg-black {
  background-color: #000 !important;
}

.bg-secondary {
  background-color: var(--color-light-gray) !important;
  color: #121212 !important;
}

.bg-white {
  background-color: var(--color-white) !important;
}

.text-cyan {
  color: var(--color-cyan) !important;
}

.text-muted {
  color: rgba(255, 255, 255, 0.6) !important;
}

.shadow-sm {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3) !important;
}
section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
section h2 {
  margin-bottom: 2rem;
  font-weight: 700;
  text-align: center;
}
.rounded {
  border-radius: 12px !important;
}
.border-secondary {
  border: 1px solid #3a3b45 !important;
}