/* ============================================
   Layout Styles - Mobile-First
   Base layout and structural elements
   ============================================ */

/* Body and global typography */
/* Body and global typography */
html,
body {
  background-color: #050505 !important;
  color: #ffffff !important;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-body);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Skip Link (Accessibility) */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background: var(--color-cyan);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  z-index: var(--z-fixed);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--color-orange);
  outline-offset: 2px;
}

/* ============================================
   Header / Navigation
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #050505 !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: var(--z-sticky);
  transition: transform var(--transition-base);
}

.header.hidden {
  transform: translateY(-100%);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.nav-logo a {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: var(--space-md);
  text-decoration: none;
  white-space: nowrap !important;
}

/* Safari Fallback for Gap */
.nav-logo a>*+* {
  margin-left: var(--space-md);
}

@supports (gap: 1rem) {
  .nav-logo a>*+* {
    margin-left: 0;
  }
}

.logo-image {
  height: 72px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.5));
  transition: transform var(--transition-base);
}

.logo-image:hover {
  transform: rotate(10deg) scale(1.1);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.6rem !important;
  /* Fixed rem for consistency */
  font-weight: 800;
  color: #ffffff !important;
  letter-spacing: -0.02em;
  display: inline-block !important;
  visibility: visible !important;
  opacity: 1 !important;
  line-height: 1;
  margin-left: var(--space-md);
}

/* Mobile menu toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: var(--z-fixed);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-cyan);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
}

.hamburger::before {
  transform: translateY(-8px);
}

.hamburger::after {
  transform: translateY(8px);
}

/* Hamburger animation when open */
.nav-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg);
}

/* Navigation menu - Mobile */
.nav-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background-color: var(--color-bg-surface);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4xl) var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  transition: right var(--transition-base);
  z-index: var(--z-fixed);
  border-left: 1px solid var(--color-border);
}

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

.nav-menu li {
  list-style: none;
}

.nav-link {
  display: block;
  color: var(--color-text-primary);
  font-size: 1.1rem !important;
  /* Fixed rem for Safari */
  font-weight: 500;
  padding: var(--space-sm) 0;
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link:hover,
.nav-link:focus {
  color: var(--color-cyan);
}

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

.nav-link.active {
  color: var(--color-cyan);
  font-weight: 600;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs) var(--space-md);
  background-color: rgba(255, 255, 255, 0.1) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  border-radius: var(--radius-full);
  font-weight: 700;
  color: #ffffff !important;
  transition: all var(--transition-fast);
  font-family: var(--font-heading);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.lang-toggle:hover,
.lang-toggle:focus {
  border-color: var(--color-cyan);
  background-color: rgba(0, 240, 255, 0.1);
  box-shadow: var(--shadow-glow);
  color: var(--color-cyan);
}

/* ============================================
   Main Content
   ============================================ */

main {
  margin-top: 60px;
  /* Header height */
}

/* Section spacing */
section {
  padding: var(--space-3xl) 0;
}

/* Section header */
.section-header {
  text-align: center;
  margin: 0 auto var(--space-2xl);
  max-width: 860px;
}

.section-title {
  font-size: var(--fs-h2);
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.section-subtitle {
  font-size: var(--fs-subtitle);
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
  font-weight: 400;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background-color: var(--color-bg-surface);
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0 var(--space-md);
  margin-top: var(--space-4xl);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer-logo-image {
  height: 50px;
  width: auto;
}

.footer-slogan {
  font-family: var(--font-slogan);
  font-size: var(--fs-h4);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.footer-copyright {
  font-size: var(--fs-small);
  color: var(--color-gray-medium);
}

/* ============================================
   Tablet and Desktop Layouts
   ============================================ */

@media (min-width: 768px) {

  /* Container padding increase */
  .container {
    padding: 0 var(--space-xl);
  }

  /* Navigation - Desktop */
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    width: auto;
    max-width: none;
    height: auto;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: var(--space-lg);
    box-shadow: none;
  }

  .nav-link {
    font-size: var(--fs-body);
  }

  .logo-image {
    height: 68px;
  }

  /* Section title sizing */
  /* Logo resizing handled here, but font sizing is now handled via fluid typography variables */
}

@media (min-width: 1024px) {

  /* Larger sections */
  section {
    padding: var(--space-4xl) 0;
  }

  .section-header {
    margin-bottom: var(--space-3xl);
  }
}