/* css/main.css */
@import url('variables.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- Reset & Base Styles --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--primary);
  font-weight: 700;
  line-height: 1.25;
}

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

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

ul, ol {
  list-style: none;
}

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

/* --- Layout Containers --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section-padding {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.text-center {
  text-align: center;
}

/* --- Header & Navbar --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(15, 43, 92, 0.85); /* fallback */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color var(--transition-normal), padding var(--transition-normal), box-shadow var(--transition-normal);
  padding: 1.25rem 0;
}

.site-header.scrolled {
  background-color: rgba(15, 23, 42, 0.95);
  padding: 0.75rem 0;
  box-shadow: var(--shadow-sm);
}

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

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-light);
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  fill: var(--accent);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(248, 250, 252, 0.8);
  padding: 0.5rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-light);
}

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

.nav-cta {
  background-color: var(--accent);
  color: var(--text-light);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.nav-cta:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

/* Burger menu button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1100;
}

.burger-bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background-color: var(--text-light);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  border-radius: 3px;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--bg-dark);
  color: rgba(248, 250, 252, 0.7);
  padding-top: 5rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--border-color-dark);
  font-size: 0.95rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand .logo-link {
  margin-bottom: 1.5rem;
}

.footer-brand-text {
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.footer-title {
  color: var(--text-light);
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link a:hover {
  color: var(--accent);
}

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

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
}

.footer-contact-icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: var(--accent);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.footer-contact-text span {
  display: block;
  font-size: 0.85rem;
  color: rgba(248, 250, 252, 0.4);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(248, 250, 252, 0.4);
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a:hover {
  color: var(--accent);
}

/* --- Responsive Navigation --- */
@media (max-width: 992px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 1rem 0;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--bg-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2.5rem 3rem 2.5rem;
    gap: 1.75rem;
    transition: right var(--transition-normal);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
    overflow-y: auto;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  /* Hamburger animation */
  .nav-toggle.active .burger-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .nav-toggle.active .burger-bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active .burger-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .nav-cta {
    width: 100%;
    text-align: center;
    margin-top: 1rem;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  
  .footer-legal-links {
    justify-content: center;
  }
  
  .section-padding {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
}