/**
 * QualiVerse - Layout & Structure Styles
 * Refined, comfortable typography & robust prominent navbar
 */

/* Containers */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 24px;
}

.container-narrow {
  width: 100%;
  max-width: 1040px;
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  padding-block: 80px;
  position: relative;
  scroll-margin-top: 100px;
}

.section-alt {
  background-color: var(--bg-primary);
  border-block: 1px solid var(--border-subtle);
}

.section-dark {
  background: linear-gradient(135deg, var(--qv-dark-navy) 0%, var(--qv-dark-navy-deep) 100%);
  color: var(--text-on-dark);
}

.section-dark .section-title {
  color: #FFFFFF;
}

.section-dark .section-subtitle {
  color: var(--qv-silver);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: 48px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: var(--qv-royal-blue-soft);
  color: var(--qv-royal-blue);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.section-dark .section-badge {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--qv-platinum);
  border-color: rgba(255, 255, 255, 0.2);
}

.section-title {
  font-size: clamp(1.75rem, 2.6vw, 2.35rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 14px;
  text-wrap: balance;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  text-wrap: balance;
}

/* Prominent, Substantial Floating Glass Navbar */
.navbar-wrapper {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding-inline: 24px;
  pointer-events: none;
}

.navbar {
  max-width: 1240px;
  margin-inline: auto;
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px; /* Substantial comfortable thickness */
  background: var(--bg-glass-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(8, 28, 38, 0.08);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 32px rgba(8, 28, 38, 0.12);
  border-color: var(--border-strong);
  padding: 12px 24px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
}

.logo-symbol {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--qv-royal-blue) 0%, var(--qv-petrol-teal) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--qv-royal-blue-glow);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-weight: 800;
  font-size: 1.35rem;
  line-height: 1.1;
  color: var(--qv-dark-navy);
}

.logo-title span {
  color: var(--qv-royal-blue);
}

.logo-tagline {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--qv-petrol-teal);
  letter-spacing: 0.5px;
}

/* Navigation Links */
.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: inline-block;
  padding: 9px 18px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--qv-royal-blue);
  background-color: var(--qv-royal-blue-soft);
}

.nav-link.active {
  color: var(--qv-royal-blue);
  background-color: var(--qv-royal-blue-soft);
  font-weight: 700;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Language Switcher */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--qv-platinum-light);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--qv-petrol-teal);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-switch:hover {
  background: #FFFFFF;
  border-color: var(--qv-royal-blue);
  color: var(--qv-royal-blue);
  transform: translateY(-1px);
}

.lang-switch svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Mobile Menu Button */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
}

.mobile-toggle svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  inset-inline-start: -100%;
  width: 82%;
  max-width: 360px;
  height: 100vh;
  background: #FFFFFF;
  z-index: 2000;
  box-shadow: var(--shadow-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: inset-inline-start var(--transition-smooth);
}

.mobile-drawer.open {
  inset-inline-start: 0;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 28, 38, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.75rem;
  color: var(--text-muted);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-block: 24px;
}

.drawer-nav a {
  padding: 12px 16px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.drawer-nav a:hover,
.drawer-nav a.active {
  background: var(--qv-royal-blue-soft);
  color: var(--qv-royal-blue);
}

.drawer-footer {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

/* Hero Section */
.hero-section {
  padding-top: 148px;
  padding-bottom: 84px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 85% 15%, rgba(0, 83, 123, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 10% 85%, rgba(26, 0, 179, 0.05) 0%, transparent 50%),
              var(--bg-secondary);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 52px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xs);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--qv-petrol-teal);
  margin-bottom: 20px;
}

.hero-eyebrow-pill {
  background: var(--qv-royal-blue);
  color: #FFFFFF;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
}

/* Clean, balanced Hero Title - Elegant across 2 lines */
.hero-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--qv-dark-navy);
  margin-bottom: 20px;
  text-wrap: balance;
  max-width: 640px;
}

.hero-title .highlight-blue {
  color: var(--qv-royal-blue);
  position: relative;
  display: inline;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 580px;
  text-wrap: pretty;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-metrics-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-medium);
  width: 100%;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--qv-dark-navy);
  line-height: 1.2;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  perspective: 1000px;
}

/* Feature Grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

/* Footer (Deep Navy / Petrol Dark, Absolutely Zero Purple) */
.footer {
  background: var(--qv-dark-navy-deep);
  color: var(--qv-silver);
  padding-top: 72px;
  padding-bottom: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand .logo-title {
  color: #FFFFFF;
}

.footer-brand .logo-title span {
  color: #7D93FF;
}

.footer-desc {
  font-size: 0.925rem;
  line-height: 1.7;
  color: var(--qv-silver);
  max-width: 320px;
}

.footer-title {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0;
  margin: 0;
}

.footer-links a {
  color: var(--qv-silver);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
}

.footer-copyright {
  color: var(--qv-silver);
}

.footer-badges {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Responsive Media Queries */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 840px) {
  .nav-links, .nav-actions .btn-quote {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .navbar {
    padding: 12px 20px;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section {
    padding-block: 60px;
  }

  .hero-section {
    padding-top: 116px;
    padding-bottom: 56px;
  }

  .hero-metrics-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
}

@media (max-width: 640px) {
  .container {
    padding-inline: 16px;
    width: 100%;
    max-width: 100%;
  }

  .navbar-wrapper {
    top: 10px;
    padding-inline: 12px;
  }

  .navbar {
    padding: 8px 14px;
    border-radius: var(--radius-full);
  }

  .brand-logo {
    gap: 8px;
  }

  .logo-symbol {
    width: 34px;
    height: 34px;
    border-radius: 8px;
  }

  .logo-symbol svg {
    width: 18px;
    height: 18px;
  }

  .logo-title {
    font-size: 1.15rem;
  }

  .logo-tagline {
    display: none !important; /* Prevents crowding in mobile navbar */
  }

  .nav-actions {
    gap: 6px;
  }

  .lang-switch {
    padding: 5px 10px;
    font-size: 0.775rem;
    gap: 5px;
  }

  .lang-switch svg {
    width: 15px;
    height: 15px;
  }

  .mobile-toggle {
    width: 36px;
    height: 36px;
  }

  .section {
    padding-block: 46px;
    scroll-margin-top: 80px;
  }

  .section-header {
    margin-bottom: 28px;
    padding-inline: 4px;
  }

  .section-title {
    font-size: clamp(1.45rem, 5.2vw, 1.85rem);
    line-height: 1.35;
    margin-bottom: 10px;
  }

  .section-subtitle {
    font-size: 0.925rem;
    line-height: 1.6;
  }

  .section-badge {
    font-size: 0.75rem;
    padding: 4px 12px;
    margin-bottom: 10px;
  }

  .hero-section {
    padding-top: 88px;
    padding-bottom: 40px;
  }

  .hero-eyebrow {
    padding: 4px 12px;
    font-size: 0.775rem;
    margin-bottom: 14px;
    gap: 6px;
  }

  .hero-title {
    font-size: clamp(1.55rem, 5.8vw, 2.1rem);
    line-height: 1.35;
    margin-bottom: 14px;
  }

  .hero-description {
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 24px;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 10px;
    margin-bottom: 28px;
  }

  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
    padding: 13px 20px;
    font-size: 0.95rem;
  }

  .hero-metrics-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding-top: 18px;
    text-align: center;
  }

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

  .metric-value {
    font-size: 1.25rem;
  }

  .metric-label {
    font-size: 0.7rem;
    line-height: 1.3;
  }

  .footer {
    padding-top: 48px;
    padding-bottom: 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
  }
}

@media (max-width: 440px) {
  .hero-metrics-strip {
    grid-template-columns: 1fr;
    gap: 12px;
    text-align: start;
  }

  .metric-item {
    align-items: flex-start;
    padding: 8px 12px;
    background: #FFFFFF;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
  }
}