/**
 * AllToolsNow.com - Layout Styles
 * Containers, Header, Navigation, Footer, and Grid Structures.
 */

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--tool {
  max-width: var(--container-tool);
}

/* Sections */
.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

.section--soft {
  background-color: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section-header {
  margin-bottom: var(--space-10);
}

.section-header--center {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-2);
}

@media (min-width: 768px) {
  .section-title {
    font-size: var(--font-size-3xl);
  }
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Glassmorphic Sticky Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: var(--space-4);
}

.header-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.header-brand img,
.header-brand svg {
  height: 38px;
  width: auto;
}

.header-nav {
  display: none;
  align-items: center;
  gap: var(--space-2);
}

@media (min-width: 900px) {
  .header-nav {
    display: flex;
  }
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  text-decoration: none;
}

.nav-link.is-active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  color: var(--color-text-main);
  text-decoration: none;
}

.lang-btn.is-active {
  background-color: #FFFFFF;
  color: var(--color-primary);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

/* Mobile Toggle Button */
.mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  background-color: var(--color-bg-page);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.mobile-toggle:hover {
  background-color: var(--color-bg-soft);
}

@media (min-width: 900px) {
  .mobile-toggle {
    display: none;
  }
}

.mobile-toggle svg {
  width: 22px;
  height: 22px;
}

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 99;
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav-content {
  background-color: var(--color-bg-page);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) var(--space-4);
  max-height: calc(100vh - 70px);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
}

.mobile-nav-item {
  margin-bottom: var(--space-2);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-main);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.is-active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
}

.mobile-nav-meta {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Breadcrumbs */
.breadcrumbs {
  padding: var(--space-3) 0;
  background-color: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--space-2);
}

.breadcrumbs-item {
  display: inline-flex;
  align-items: center;
  color: var(--color-text-muted);
}

.breadcrumbs-item + .breadcrumbs-item::before {
  content: '/';
  margin-right: var(--space-2);
  color: var(--color-border-hover);
}

.breadcrumbs-link {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.breadcrumbs-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumbs-item[aria-current="page"] {
  color: var(--color-text-main);
  font-weight: 600;
}

/* Grids */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

@media (min-width: 640px) {
  .grid-3,
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .grid-3,
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

@media (min-width: 600px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Modern Dark Footer */
.site-footer {
  background-color: #0B1120;
  color: #94A3B8;
  border-top: 1px solid #1E293B;
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  height: 38px;
  width: auto;
  align-self: flex-start;
}

.footer-desc {
  color: #94A3B8;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  max-width: 360px;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background-color: #1E293B;
  color: #94A3B8;
  border: 1px solid #334155;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.footer-social-link:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  text-decoration: none;
}

.footer-social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer-col-title {
  color: #F8FAFC;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  color: #94A3B8;
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid #1E293B;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  font-size: var(--font-size-xs);
  color: #64748B;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-bottom-links a {
  color: #64748B;
  text-decoration: none;
}

.footer-bottom-links a:hover {
  color: #94A3B8;
  text-decoration: underline;
}