/* =====================================================
   OpportuCity Custom Styles — css/custom.css
===================================================== */

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--clr-text-body);
  background-color: var(--clr-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--clr-text-heading);
  font-weight: 700;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
}

.btn-primary {
  background-color: var(--clr-primary);
  color: var(--clr-white);
}

.btn-primary:hover {
  background-color: var(--clr-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--clr-accent);
  color: var(--clr-primary);
}

.btn-accent:hover {
  background-color: var(--clr-accent-muted);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.section {
  padding: var(--section-py) 0;
}

.bg-surface {
  background-color: var(--clr-surface);
}

.bg-primary {
  background-color: var(--clr-primary);
  color: var(--clr-white);
}

.text-accent {
  color: var(--clr-accent);
}

/* Navbar */
.navbar {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.nav-links {
  display: flex;
  gap: var(--space-8);
}

.nav-link {
  font-weight: 500;
  color: var(--clr-secondary);
}

.nav-link:hover {
  color: var(--clr-primary);
}

/* Hero Section */
.hero {
  padding: var(--space-20) 0;
  background-color: var(--clr-primary);
  color: var(--clr-white);
  text-align: center;
}

.hero-title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--text-xl);
  margin-bottom: var(--space-10);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: var(--clr-secondary-tint);
}

/* Mobile Navigation Support */
.mobile-drawer {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-backdrop {
    transition: all 0.3s ease;
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Overrides */
@media (max-width: 1024px) {
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .section {
        padding: var(--space-12) 0;
    }
}