/* Styling Reset & Variables */
:root {
  --bg-color: #0b0c10;
  --card-bg: #181a20;
  --accent-color: #00e9fa;
  --accent-hover: #e08500;
  --text-main: #ffffff;
  --text-muted: #bcbec0;
  --border-color: #2a2d34;
  --font-family: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

a {
  color: var(--accent-color);
  text-decoration: none;
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header p {
  font-size: 1.1rem;
  max-width: 700px;
}

.dark {
  background-color: #111318;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  padding: 1rem 3rem;
  background-color: rgba(11, 12, 16, 0.95);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar img {
  height: 36px;
  width: auto;
  margin-right: 0.75rem;
}

.nav-logo {
  font-weight: 900;
  font-size: 1.2rem;
  letter-spacing: 1.5px;
  color: var(--text-main);
  margin-bottom: 0;
}

.navbar nav {
  margin-left: auto;
  display: flex;
  align-items: center;
}

.navbar nav a {
  margin-left: 2rem;
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.3s;
}

.navbar nav a:hover {
  color: var(--accent-color);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 2rem 60px;
  /* Updated URL to images/rr.jpg with dark overlay for readability */
  background: linear-gradient(rgba(11, 12, 16, 0.75), rgba(11, 12, 16, 0.9)), 
              url('images/rr.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  text-align: center;
}

.hero-content {
  max-width: 850px;
  margin: 0 auto;
}

/* Hide static hero image inside hero-content since background-image handles it */
.hero-content > img {
  display: none;
}

.tagline {
  color: var(--accent-color);
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3.8rem;
  line-height: 1.1;
  margin: 1rem 0;
}

.highlight {
  color: var(--accent-color);
}

.hero-subtext {
  font-size: 1.2rem;
  max-width: 650px;
  margin: 0 auto 2rem;
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* Buttons */
.btn-primary, .btn-nav {
  display: inline-block;
  background-color: var(--accent-color);
  color: #000000 !important;
  padding: 0.8rem 2rem;
  font-weight: 700;
  border-radius: 4px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--text-main);
  padding: 0.8rem 2rem;
  font-weight: 700;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary:hover, .btn-nav:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

/* Cards & About */
.card {
  background-color: var(--card-bg);
  padding: 2.5rem;
  border-radius: 8px;
}

.audience-card {
  border-left: 4px solid var(--accent-color);
}

.lead {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 1.2rem;
}

.mv-grid {
  margin-top: 3rem;
}

.border-card {
  border: 1px solid var(--border-color);
  background: transparent;
}

.label {
  display: block;
  color: var(--accent-color);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
}

/* Departments Grid */
.department-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.dept-card {
  background-color: var(--card-bg);
  padding: 2.5rem;
  border-radius: 8px;
  transition: transform 0.3s ease, border-color 0.3s ease;
  border: 1px solid transparent;
}

.dept-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
}

.dept-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-color);
  margin-bottom: 1rem;
  display: block;
}

.dept-card h3 {
  margin-bottom: 0.5rem;
}

.dept-card ul {
  list-style: none;
  margin-top: 1.5rem;
}

.dept-card li {
  color: var(--text-muted);
  padding: 0.4rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.95rem;
}

.full-width {
  grid-column: span 2;
}
/* Department Card Image Styles */
.dept-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.dept-img-wrapper {
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: 1.25rem;
}

.dept-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

/* Hover zoom effect */
.dept-card:hover .dept-img-wrapper img {
  transform: scale(1.05);
}

/* Full-width card adjustments */
.dept-card.full-width .dept-img-wrapper {
  height: 260px;
}
/* Portfolio Section */
.filter-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.5rem 1.5rem;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.filter-btn.active, .filter-btn:hover {
  background-color: var(--accent-color);
  color: #000;
  border-color: var(--accent-color);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--card-bg);
  height: 260px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, opacity 0.3s ease, border-color 0.3s ease;
}

.portfolio-item.hide {
  display: none;
}

.portfolio-thumb {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.9) 100%), #22252e;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
}

.category-tag {
  color: var(--accent-color);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.overlay h3 {
  font-size: 1.2rem;
  margin: 0.3rem 0;
  color: var(--text-main);
}

.overlay p {
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* Why Work With Us */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.why-card {
  padding: 1.5rem;
  background-color: var(--card-bg);
  border-radius: 8px;
  border-top: 3px solid var(--accent-color);
}

.why-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

/* Contact Section */
.contact-section {
  background-color: #121d4d;
}

.contact-lead {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.contact-info p {
  margin-bottom: 0.8rem;
}

.socials-container {
  margin-top: 2rem;
}

.socials-container p {
  margin-bottom: 0.8rem;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  background-color: var(--card-bg);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-btn svg {
  transition: transform 0.3s ease;
}

.social-btn:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
  background-color: rgba(0, 233, 250, 0.05);
  transform: translateY(-2px);
}

.social-btn:hover svg {
  transform: scale(1.1);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 1rem;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 4px;
  font-family: inherit;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 1px solid var(--accent-color);
}

/* Footer */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  background-color: var(--bg-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
}

.footer-content p {
  margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 { 
    font-size: 2.5rem; 
  }
  .grid-2, .department-grid { 
    grid-template-columns: 1fr; 
  }
  .full-width { 
    grid-column: span 1; 
  }
  .navbar { 
    padding: 1rem; 
  }
  .navbar nav { 
    display: none; 
  }
  .footer-content {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}