@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300..500;1,300..500&family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&display=swap');

/* CSS resets and base styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text-body);
  background-color: var(--color-bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--color-text-title);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -0.01em;
}

h4 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

p {
  margin-bottom: var(--space-md);
  font-size: clamp(1rem, 1.1vw, 1.125rem);
}

p.lead {
  font-size: clamp(1.125rem, 1.5vw, 1.35rem);
  color: var(--color-text-body);
  font-weight: 400;
  line-height: 1.5;
}

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

a:hover {
  color: var(--color-primary-dark);
}

/* Layout Wrappers */
.container {
  width: 100%;
  max-width: var(--viewport-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.section {
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
  position: relative;
}

.section-dark {
  background-color: var(--color-dark-bg);
  color: var(--color-dark-text-body);
  background-image: var(--grad-dark-mesh);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-dark-text-title);
}

/* Flex & Grid Utilities */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

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

/* Navigation bar styling */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(250, 249, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 1000;
  transition: var(--transition-normal);
}

.nav-header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: rgba(255, 255, 255, 0.95);
}

.nav-header.scrolled .announcement-banner {
  display: none;
}

.nav-container {
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: height var(--transition-normal);
}

.nav-header.scrolled .nav-container {
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-title);
}

.logo-dot {
  width: 10px;
  height: 10px;
  background: var(--grad-hero);
  border-radius: var(--border-radius-full);
  display: inline-block;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
  height: 100%;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  color: var(--color-text-body);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--space-xs) 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover, .nav-item.active .nav-link {
  color: var(--color-primary);
}

.nav-link svg {
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link svg {
  transform: translateY(2px);
}

/* Mega dropdown menu */
.mega-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(15px);
  width: 680px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  z-index: 1001;
}

.nav-item:hover .mega-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-col-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
  font-weight: 700;
}

.dropdown-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.dropdown-link-item {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-xs);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.dropdown-link-item:hover {
  background-color: var(--color-grey-light);
}

.dropdown-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-border-light);
  color: var(--color-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.dropdown-link-item:hover .dropdown-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.dropdown-info {
  display: flex;
  flex-direction: column;
}

.dropdown-title {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-title);
  margin-bottom: 2px;
}

.dropdown-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.nav-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 1010;
}

.mobile-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text-title);
  border-radius: 2px;
  transition: var(--transition-normal);
}

/* Footer layout */
.footer {
  background-color: var(--color-dark-bg);
  border-top: 1px solid var(--color-dark-border);
  padding: var(--space-xxl) 0 var(--space-lg);
  color: var(--color-dark-text-body);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xxl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-brand .logo {
  color: var(--color-dark-text-title);
}

.footer-badge-row {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.footer-badge {
  height: 36px;
  opacity: 0.8;
  transition: var(--transition-fast);
}

.footer-badge:hover {
  opacity: 1;
}

.footer-col h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-dark-text-title);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link-item a {
  color: var(--color-dark-text-body);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-link-item a:hover {
  color: var(--color-primary-light);
  padding-left: 2px;
}

.footer-bottom {
  border-top: 1px solid var(--color-dark-border);
  padding-top: var(--space-lg);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Responsive Styles */
@media screen and (max-width: 1024px) {
  .footer-top {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
  .footer-brand {
    grid-column: span 3;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-dark-border);
    padding-bottom: var(--space-lg);
  }
  .mega-dropdown {
    width: 580px;
  }
}

@media screen and (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px var(--space-md) var(--space-xl);
    gap: var(--space-md);
    transition: var(--transition-normal);
    overflow-y: auto;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-item {
    width: 100%;
    height: auto;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    font-size: 1.1rem;
    padding: var(--space-xs) 0;
  }

  .mega-dropdown {
    position: static;
    transform: none;
    width: 100%;
    box-shadow: none;
    border: none;
    background-color: transparent;
    padding: 0 0 0 var(--space-sm);
    grid-template-columns: 1fr;
    gap: var(--space-xs);
    display: none;
  }

  .nav-item.active-mobile .mega-dropdown {
    display: flex;
    flex-direction: column;
  }

  .nav-actions {
    display: none;
  }
  
  .mobile-nav-actions {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
  }

  .mobile-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: span 1;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}