/* ARTATE - Layout CSS
 * ====================
 * Navbar, Footer, Grid Systems
 */

/* ==================
   NAVBAR
   ================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background-color: hsl(var(--background) / 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid hsl(var(--border) / 0.5);
  box-shadow: var(--shadow-lg);
}

.navbar-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

@media (min-width: 768px) {
  .navbar-content {
    height: 5rem;
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .navbar-content {
    padding: 0 2rem;
  }
}

/* Logo */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.2s ease;
}

.navbar-logo:hover {
  transform: scale(1.02);
}

/* Desktop Navigation */
.navbar-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .navbar-links {
    display: flex;
  }
}

.nav-link {
  position: relative;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  transition: color 0.2s ease;
  border-radius: var(--radius);
}

.nav-link:hover {
  color: hsl(var(--foreground));
  background-color: hsl(var(--muted) / 0.5);
}

.nav-link.active {
  color: hsl(var(--primary));
}

.nav-indicator {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 2px;
  background-color: hsl(var(--primary));
  border-radius: 9999px;
}

/* Navbar Actions */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  background-color: hsl(var(--background) / 0.95);
  backdrop-filter: blur(20px);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 100;
  padding: 5rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 90;
}

.mobile-menu-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-link {
  display: block;
  padding: 0.875rem 1rem;
  font-size: 1.125rem;
  font-weight: 500;
  color: hsl(var(--foreground));
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: hsl(var(--primary));
  background-color: hsl(var(--primary) / 0.1);
}

.mobile-menu-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

/* ==================
   FOOTER
   ================== */
.footer {
  background-color: hsl(var(--card));
  border-top: 1px solid hsl(var(--border));
  padding: 3rem 0;
}

@media (min-width: 1024px) {
  .footer {
    padding: 4rem 0;
  }
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .footer-content {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .footer-content {
    padding: 0 2rem;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 3rem;
  }
}

/* Footer Brand Section */
.footer-brand {
  grid-column: span 2;
}

@media (min-width: 1024px) {
  .footer-brand {
    grid-column: span 1;
  }
}

.footer-brand p {
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  max-width: 280px;
}

/* Social Links */
.social-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-link {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: hsl(var(--muted));
  display: flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--muted-foreground));
  transition: all 0.2s ease;
}

.social-link:hover {
  color: hsl(var(--primary));
  background-color: hsl(var(--primary) / 0.1);
}

.social-link svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Footer Sections */
.footer-section h4 {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: hsl(var(--foreground));
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: hsl(var(--foreground));
}

/* Footer Contact */
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.75rem;
}

.footer-contact-item svg {
  width: 1rem;
  height: 1rem;
  color: hsl(var(--primary));
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.footer-contact-item a:hover {
  color: hsl(var(--foreground));
}

/* Footer Bottom */
.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid hsl(var(--border));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-copyright {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  transition: color 0.2s ease;
}

.footer-legal a:hover {
  color: hsl(var(--foreground));
}

/* ==================
   GRID SYSTEMS
   ================== */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==================
   FLEX UTILITIES
   ================== */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.items-start {
  align-items: flex-start;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* ==================
   SPACING UTILITIES
   ================== */
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }

.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }

.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }

.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

/* ==================
   TEXT UTILITIES
   ================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

.font-heading { font-family: var(--font-heading); }

/* ==================
   DISPLAY UTILITIES
   ================== */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }

.desktop-only {
  display: none;
}

@media (min-width: 640px) {
  .desktop-only {
    display: flex;
  }
}

.mobile-only {
  display: flex;
}

@media (min-width: 768px) {
  .mobile-only {
    display: none;
  }
}

/* ==================
   POSITION UTILITIES
   ================== */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }

/* ==================
   WIDTH UTILITIES
   ================== */
.w-full { width: 100%; }
.max-w-2xl { max-width: 42rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }

/* ==================
   HEIGHT UTILITIES
   ================== */
.min-h-screen { min-height: 100vh; }
.h-full { height: 100%; }

/* ==================
   FLEX GROWTH
   ================== */
.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }

/* ==================
   OVERFLOW UTILITIES
   ================== */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }

/* ==================
   ADDITIONAL UTILITIES
   ================== */
.opacity-50 { opacity: 0.5; }
.pointer-events-none { pointer-events: none; }
.cursor-pointer { cursor: pointer; }

/* Backdrop blur */
.backdrop-blur { backdrop-filter: blur(8px); }
.backdrop-blur-sm { backdrop-filter: blur(4px); }
.backdrop-blur-lg { backdrop-filter: blur(16px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); }

/* Border radius */
.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: 9999px; }

/* Margin utilities */
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-3 { margin-bottom: 0.75rem; }