/**
 * Alpha Delving — Layout, Sticky Header, Nav & Footer
 * Lumina Light Palette with Rekolet-inspired Bold Typography
 */

/* ==========================================================================
   1. GRID & CONTAINER
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-margin);
  padding-right: var(--spacing-margin);
}

@media (max-width: 768px) {
  .container {
    padding-left: var(--spacing-margin-mobile);
    padding-right: var(--spacing-margin-mobile);
  }
}

.section-py {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

@media (max-width: 768px) {
  .section-py {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }
}

/* Section Header Lockup */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-2xl) auto;
}

.section-header .section-tag {
  display: inline-flex;
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  font-size: var(--type-headline-xl-size);
  letter-spacing: var(--type-headline-xl-letter-spacing);
  margin-bottom: var(--space-md);
}

.section-header p {
  font-size: var(--type-body-lg-size);
  line-height: var(--type-body-lg-line-height);
  color: var(--color-brand-neutral);
}

@media (max-width: 768px) {
  .section-header h2 {
    font-size: var(--type-headline-xl-mobile-size);
    line-height: var(--type-headline-xl-mobile-line-height);
  }
}

/* ==========================================================================
   2. STICKY HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.75);
  backdrop-filter: var(--backdrop-blur-nav);
  -webkit-backdrop-filter: var(--backdrop-blur-nav);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.94);
  border-bottom-color: var(--color-border-subtle);
  box-shadow: 0 4px 20px -4px rgba(15, 23, 42, 0.06);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  transition: height var(--transition-base);
}

.site-header.scrolled .navbar {
  height: 70px;
}

/* Logo */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  z-index: 1001;
}

.nav-logo-img {
  height: 46px;
  width: auto;
  object-fit: contain;
  transition: height var(--transition-base);
}

.site-header.scrolled .nav-logo-img {
  height: 40px;
}

.nav-brand-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--color-brand-navy);
  letter-spacing: -0.02em;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-brand-text span.brand-accent {
  color: var(--color-brand-cyan);
}

.nav-brand-text small {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-brand-neutral);
  text-transform: uppercase;
  margin-top: 2px;
}

/* Desktop Navigation Menu (Rekolet Bold Nav Typography) */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (max-width: 1200px) and (min-width: 1025px) {
  .nav-menu {
    gap: 1.25rem;
  }
  .nav-link {
    font-size: 14px;
    padding: 0.5rem 0.15rem;
  }
}

.mobile-cta {
  display: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-brand-navy);
  text-decoration: none;
  padding: 0.5rem 0.25rem;
  display: inline-block;
  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-brand-cyan);
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

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

.nav-link.active {
  color: var(--color-brand-cyan);
}

/* Nav Actions CTA */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 1001;
}

/* Hamburger / Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background-color: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-default);
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-base);
}

.nav-toggle:hover {
  border-color: var(--color-brand-cyan);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-brand-navy);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background-color: var(--color-brand-cyan);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background-color: var(--color-brand-cyan);
}

/* Mobile Header Bar & Compact Logo */
@media (max-width: 767px) {
  .navbar {
    height: 64px;
  }

  .site-header.scrolled .navbar {
    height: 56px;
  }

  .nav-logo-img {
    height: 36px;
  }

  .site-header.scrolled .nav-logo-img {
    height: 32px;
  }

  .nav-brand-text {
    font-size: 17px;
  }

  .site-header .nav-brand-text small {
    display: none;
  }
}

/* Mobile Navigation Drawer (< 1024px to prevent tablet link collisions) */
@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }

  .nav-actions .btn {
    display: none;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100dvh;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 1.15rem;
    padding: 5.5rem 1.5rem 2.5rem 1.5rem;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-15px);
    transition: all var(--transition-smooth);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav-menu.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-item {
    width: 100%;
    max-width: 320px;
    text-align: center;
  }

  .nav-link {
    font-size: 19px;
    font-weight: 700;
    padding: 0.6rem 1rem;
    width: 100%;
    display: block;
    border-radius: var(--radius-default);
  }

  .nav-link:hover,
  .nav-link.active {
    background-color: rgba(0, 160, 233, 0.08);
  }

  .nav-menu .mobile-cta {
    display: inline-flex;
    margin-top: 0.75rem;
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }
}

/* ==========================================================================
   3. FOOTER
   ========================================================================== */
.site-footer {
  background-color: #0B1120;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #94A3B8;
  position: relative;
  margin-top: auto;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: min(800px, 90%);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 160, 233, 0.6), transparent);
  pointer-events: none;
}

/* Footer Top CTA Banner */
.footer-cta-band {
  background: linear-gradient(135deg, var(--color-brand-navy) 0%, #1e293b 100%);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  margin: -4rem auto 4rem auto;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.footer-cta-band::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 160, 233, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.footer-cta-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.footer-cta-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-brand-cyan);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.footer-cta-title {
  font-size: 36px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.footer-cta-title em {
  font-style: normal;
  color: var(--color-brand-cyan);
}

.footer-cta-desc {
  font-size: 16px;
  color: #94a3b8;
  margin: 0;
}

.footer-cta-action {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .footer-cta-band {
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1.5rem;
    margin: -2.5rem auto 2.5rem auto;
    border-radius: 20px;
    gap: 1.5rem;
  }

  .footer-cta-title {
    font-size: clamp(21px, 5.5vw, 28px);
    line-height: 1.25;
    margin-bottom: 0.5rem;
  }

  .footer-cta-desc {
    font-size: 13.5px;
    line-height: 1.55;
  }

  .footer-cta-action {
    width: 100%;
  }

  .footer-cta-action .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .footer-cta-band {
    padding: 1.5rem 1.15rem;
    margin: -2rem auto 2rem auto;
    border-radius: 16px;
  }

  .footer-cta-tag {
    font-size: 11px;
    margin-bottom: 0.4rem;
  }

  .footer-cta-title {
    font-size: 19px;
  }

  .footer-cta-desc {
    font-size: 13px;
  }
}

.footer-cta-band + .footer-main {
  padding-top: 0;
}

/* Footer Main Grid */
.footer-main {
  padding-top: 4.5rem;
  padding-bottom: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 3.5rem;
}

@media (max-width: 1024px) {
  .footer-main {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem 2rem;
  }
}

@media (max-width: 767px) {
  .footer-main {
    padding-top: 3rem;
    padding-bottom: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.25rem 1.25rem;
  }

  .footer-col.footer-brand {
    grid-column: 1 / -1;
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1rem;
  }
}

@media (max-width: 360px) {
  .footer-grid {
    gap: 1.75rem 0.75rem;
  }
}

/* Footer Columns */
.footer-col-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.footer-brand .nav-brand-text {
  color: #FFFFFF;
}

.footer-brand .nav-brand-text small {
  color: #94A3B8;
}

.footer-brand p {
  color: #94A3B8;
  font-size: 14px;
  line-height: 1.6;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 14px;
  color: #94A3B8;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  fill: var(--color-brand-cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item a {
  color: #E2E8F0;
  font-weight: 500;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-contact-item a:hover {
  color: var(--color-brand-cyan);
}

.footer-social-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.site-footer .social-icon {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #CBD5E1;
  transition: all var(--transition-base);
}

.site-footer .social-icon:hover {
  background-color: var(--color-brand-cyan);
  border-color: var(--color-brand-cyan);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 160, 233, 0.4);
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav-list li a {
  font-size: 14px;
  font-weight: 500;
  color: #94A3B8;
  transition: all var(--transition-fast);
  display: inline-block;
  text-decoration: none;
}

.footer-nav-list li a:hover {
  color: var(--color-brand-cyan);
  transform: translateX(4px);
}

/* Hours Card (Frosted Dark Glass) */
.footer-hours-box {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.footer-hours-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 0.35rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}

.footer-hours-row:last-child {
  border-bottom: none;
}

.footer-hours-row span.day {
  color: #FFFFFF;
  font-weight: 600;
}

.footer-hours-row span.time {
  color: #94A3B8;
}

/* Footer Bottom Bar */
.footer-bottom {
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.75rem 0;
  background-color: rgba(0, 0, 0, 0.25);
}

.footer-bottom-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copyright {
  font-size: 13px;
  color: #64748B;
}

.footer-copyright strong {
  color: #94A3B8;
  font-weight: 600;
}

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

.footer-legal-links a {
  font-size: 13px;
  color: #64748B;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-legal-links a:hover {
  color: var(--color-brand-cyan);
}

@media (max-width: 767px) {
  .footer-brand p {
    font-size: 13.5px;
    line-height: 1.55;
    margin-top: 0.75rem;
    margin-bottom: 1.25rem;
  }

  .footer-contact-list {
    gap: 0.65rem;
    margin-bottom: 1.25rem;
  }

  .footer-contact-item {
    font-size: 13px;
    gap: 0.65rem;
  }

  .footer-contact-item svg {
    width: 15px;
    height: 15px;
    margin-top: 2px;
  }

  .footer-social-row {
    gap: 0.65rem;
    margin-top: 0.5rem;
  }

  .site-footer .social-icon {
    width: 38px;
    height: 38px;
  }

  .footer-col-title {
    font-size: 13.5px;
    margin-bottom: 0.85rem;
  }

  .footer-nav-list {
    gap: 0.55rem;
  }

  .footer-nav-list li a {
    font-size: 13px;
    padding: 2px 0;
  }

  .footer-hours-box {
    padding: 1rem 1.15rem;
  }

  .footer-hours-row {
    font-size: 12.5px;
    padding: 0.3rem 0;
  }

  .footer-bottom {
    padding: 1.25rem 0;
  }

  .footer-bottom-container {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }

  .footer-copyright {
    font-size: 12px;
  }

  .footer-legal-links {
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
  }

  .footer-legal-links a {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .footer-nav-list li a {
    font-size: 12.5px;
  }
}

@media (max-width: 360px) {
  .footer-col-title {
    font-size: 12.5px;
    margin-bottom: 0.65rem;
  }

  .footer-nav-list {
    gap: 0.45rem;
  }

  .footer-nav-list li a {
    font-size: 11.5px;
  }
}