:root {
  /* Premium Light Theme Variables */
  --primary-navy: #15305b;
  --primary-red: #94171b;
  --primary-red-hover: #b92025;
  
  --bg-main: #f8fafc; /* Professional off-white */
  --bg-surface: #ffffff; /* Clean white cards */
  --bg-surface-elevated: #f1f5f9;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  
  /* Premium Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 10px 40px 0 rgba(21, 48, 91, 0.06);

  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--primary-navy);
}

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

/* Glassmorphism Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

header.scrolled {
  padding: 1rem 0;
  box-shadow: var(--glass-shadow);
  background: rgba(255, 255, 255, 0.95);
}

.logo-container img {
  height: 55px;
  width: auto;
  transition: var(--transition);
}

.header-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav ul {
  display: flex;
  gap: 2.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav a {
  font-weight: 600;
  color: var(--primary-navy);
  position: relative;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

nav a:hover, nav a.active {
  color: var(--primary-red);
}

nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--primary-red);
  transition: var(--transition);
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1010;
}

.hamburger-line {
  width: 25px;
  height: 2px;
  background-color: var(--primary-navy);
  margin: 5px 0;
  transition: var(--transition);
}

/* Abstract Background Shapes */
.abstract-shape {
  position: absolute;
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
}

.shape-1 {
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(148, 23, 27, 0.08) 0%, transparent 70%);
  top: -20%;
  left: -10%;
}

.shape-2 {
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(21, 48, 91, 0.08) 0%, transparent 70%);
  bottom: 0%;
  right: -10%;
}

.section-padding {
  padding: 8rem 0;
}

.section-title {
  font-size: 3rem;
  color: var(--primary-navy);
  margin-bottom: 4rem;
  position: relative;
  text-align: center;
}

.section-title::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 4px;
  background: var(--primary-red);
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

/* Footer Styling (Kept Dark for Contrast) */
footer {
  background-color: #0b1528;
  color: white;
  padding: 5rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.footer-col h3 {
  font-size: 1.4rem;
  margin-bottom: 2rem;
  color: white;
  position: relative;
  display: inline-block;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 50px;
  height: 2px;
  background: var(--primary-red);
}

.footer-col p, .footer-col li {
  color: #94a3b8;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.footer-col a {
  color: #94a3b8;
}

.footer-col a:hover {
  color: var(--primary-red);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: white;
  font-size: 1.2rem;
}

.social-links a:hover {
  background: var(--primary-red);
  transform: translateY(-5px);
}

.footer-bottom {
  text-align: center;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: #94a3b8;
  font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 991px) {
  .mobile-menu-btn {
    display: block;
  }
  
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1001;
    /* Drawer is off-screen but can still sit above the toggle in stacking order; ignore taps until open */
    pointer-events: none;
  }
  
  nav.active {
    right: 0;
    pointer-events: auto;
  }

  nav ul {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }
  
  nav a {
    color: var(--primary-navy);
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
}
