/* CSS Document for Oilgae Premium UI */
:root {
  --bg-primary: #f8faf7;
  --bg-secondary: #ffffff;
  --text-primary: #2c3e2e;
  --text-secondary: #5a735e;
  --accent-green: #388e3c;
  --accent-hover: #2e7d32;
  --accent-light: #e8f5e9;
  --border-color: #e0e6e0;
  --shadow: 0 4px 12px rgba(56, 142, 60, 0.08);
  --header-bg: rgba(255, 255, 255, 0.95);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg-primary: #121813;
  --bg-secondary: #1a231b;
  --text-primary: #e8f0e9;
  --text-secondary: #a3bfa8;
  --accent-green: #4caf50;
  --accent-hover: #81c784;
  --accent-light: #223024;
  --border-color: #2c3a2f;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  --header-bg: rgba(26, 35, 27, 0.95);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
}

header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
}

.logo-img {
  height: 42px;
  object-fit: contain;
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  line-height: 1.2;
}

@media (max-width: 1100px) {
  .logo-text {
    display: none;
  }
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

nav {
  display: flex;
  align-items: center;
}

.main-nav {
  display: flex;
  list-style: none;
  gap: 0.75rem;
}

.main-nav > li {
  position: relative;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a:hover {
  color: var(--accent-green);
  background: var(--accent-light);
}

/* Dropdown Menu styling */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  list-style: none;
  min-width: 220px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 0.6rem 1rem;
  font-weight: 500;
  font-size: 0.85rem;
}

.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent-green);
}

.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.hamburger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 900px) {
  .container {
    grid-template-columns: 8.5fr 3.5fr;
  }
}

.hero-section {
  background: linear-gradient(135deg, var(--accent-light), var(--bg-secondary));
  border-radius: 16px;
  padding: 2.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.hero-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 3rem;
  color: var(--accent-green);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.hero-subtitle {
  color: #d6412b;
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 600px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.section-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.section-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--accent-green);
  border-bottom: 2px solid var(--accent-light);
  padding-bottom: 0.5rem;
}

.card-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent-green);
  text-decoration: none;
  font-weight: 600;
}

.card-link:hover {
  text-decoration: underline;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.service-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

.service-item:hover {
  background: var(--accent-light);
  border-color: var(--accent-green);
  transform: translateY(-2px);
}

.service-icon {
  font-size: 1.5rem;
}

.sidebar-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

.sidebar-card h3 {
  font-family: 'Rajdhani', sans-serif;
  margin-bottom: 1rem;
  color: var(--accent-green);
  font-size: 1.2rem;
}

.sidebar-list {
  list-style: none;
}

.sidebar-list li {
  margin-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.5rem;
}

.sidebar-list a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
}

.sidebar-list a:hover {
  color: var(--accent-green);
  padding-left: 4px;
}

.newsletter-form input {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.btn {
  display: inline-block;
  background: var(--accent-green);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  text-align: center;
  border: none;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: var(--transition);
}

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

footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 2rem;
  text-align: center;
  font-size: 0.9rem;
  margin-top: 4rem;
}

footer a {
  color: var(--accent-green);
  text-decoration: none;
  margin: 0 0.5rem;
}

@media (max-width: 900px) {
  header {
    padding: 0.75rem 1rem;
  }
  .hamburger-btn {
    display: flex;
  }
  .main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    box-shadow: var(--shadow);
  }
  .main-nav.active {
    display: flex;
  }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 1rem;
    display: none;
  }
  .dropdown.active .dropdown-menu {
    display: block;
  }
}

#videos {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  clear: both;
  margin-top: 1rem;
}

#videos > div {
  flex: 1 1 calc(33.333% - 1rem);
  min-width: 250px;
  float: none !important;
  width: auto !important;
  margin: 0 !important;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  box-sizing: border-box;
  display: flow-root;
}

#videos img {
  max-width: 120px;
  height: auto;
  margin-right: 12px;
  float: left;
  border-radius: 4px;
}