/**
 * Aether AI — Premium Consulting & Strategy Design System
 * Shared Stylesheet
 */

:root {
  --color-blue: #087FC1;
  --color-blue-dark: #05649B;
  --color-blue-light: #62C9F3;
  --color-blue-tint: #F0F8FD;

  --color-lime: #D0FF52;
  --color-lime-dark: #B9ED36;
  --color-lime-light: #E8FF9C;

  --color-white: #FFFFFF;
  --color-black: #111111;
  --color-dark-surface: #18191B;
  --color-gray-100: #F6F6F4;
  --color-gray-200: #EAEAE7;
  --color-gray-300: #D8D8D3;
  --color-gray-500: #777777;
  --color-gray-700: #424242;
  --color-gray-900: #1D1D1D;

  --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --container-width: 1320px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(8, 127, 193, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.08);
  --shadow-float: 0 20px 50px rgba(5, 100, 155, 0.16);

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: var(--font-heading);
  color: var(--color-black);
  letter-spacing: -0.04em;
  font-weight: 700;
  line-height: 1.15;
  text-wrap: balance;
}

p {
  color: var(--color-gray-700);
  margin-bottom: 1rem;
}

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-blue-dark);
}

.text-primary {
  color: var(--color-blue) !important;
}
.bg-primary,
.form-check-input:checked {
  background-color: var(--color-blue) !important;
}

.sticky-top {
  z-index: 99;
}
.h-36 {
  height: 36px;
}
.w-36 {
  width: 36px;
}

/* Custom Container */
.container-custom {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Section Spacing */
.section-padding {
  padding-top: clamp(4rem, 8vw, 7.5rem);
  padding-bottom: clamp(4rem, 8vw, 7.5rem);
}
.section-padding-top {
  padding-top: clamp(4rem, 8vw, 7.5rem);
}
.section-padding-bottom {
  padding-bottom: clamp(4rem, 8vw, 7.5rem);
}

/* Eyebrow Label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-blue);
  margin-bottom: 0.85rem;
}
.eyebrow-light {
  color: var(--color-lime);
}
.eyebrow-dark {
  color: var(--color-gray-900);
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-lime);
}

/* Typography Scale */
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.2vw, 4.75rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.055em;
  color: var(--color-white);
  text-wrap: balance;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.35vw, 1.25rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.8vw, 3.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.045em;
  color: var(--color-black);
}

.section-title-white {
  color: var(--color-white);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-gray-700);
  max-width: 620px;
}

.inner-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 4.5vw, 3.85rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.05em;
  color: var(--color-white);
}

/* Buttons */
.btn-pill {
  border-radius: var(--radius-pill);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  border: none;
}

.btn-lime {
  background-color: var(--color-lime);
  color: var(--color-black) !important;
  box-shadow: 0 4px 14px rgba(208, 255, 82, 0.35);
}
.btn-lime:hover {
  background-color: var(--color-lime-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(208, 255, 82, 0.45);
  color: var(--color-black) !important;
}

.btn-outline-white {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white) !important;
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-black) !important;
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-blue {
  background-color: var(--color-blue);
  color: var(--color-white) !important;
  box-shadow: 0 4px 14px rgba(8, 127, 193, 0.3);
}
.btn-blue:hover {
  background-color: var(--color-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(8, 127, 193, 0.4);
}

.btn-dark {
  background-color: var(--color-black);
  color: var(--color-white) !important;
}
.btn-dark:hover {
  background-color: #2a2a2a;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
}

/* Arrow Icon Transition */
.btn-pill i, .card-link i {
  transition: transform var(--transition-fast);
}
.btn-pill:hover i, .card-link:hover i {
  transform: translateX(4px);
}

/* Header & Top Navigation */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all var(--transition-normal);
}

.site-header.is-scrolled {
  position: fixed;
  top: 0;
  background-color: rgba(8, 127, 193, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px rgba(5, 100, 155, 0.2);
  padding: 0.85rem 0;
}

/* Inner pages header version */
.site-header.inner-page-header {
  background-color: var(--color-blue-dark);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: -0.04em;
}
.nav-brand:hover {
  color: var(--color-white);
}

.brand-symbol {
  width: 32px;
  height: 32px;
  background-color: var(--color-lime);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-black);
  font-size: 1.1rem;
  font-weight: 900;
  transform: rotate(-3deg);
}

.nav-brand span.highlight {
  color: var(--color-lime);
  font-weight: 800;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link-custom {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  padding: 0.35rem 0;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}
.nav-link-custom:hover {
  color: var(--color-white);
}
.nav-link-custom.active {
  color: var(--color-lime);
}
.nav-link-custom.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-lime);
  border-radius: 2px;
}

/* Mobile Offcanvas */
.offcanvas-custom {
  background-color: #044b75;
  color: var(--color-white);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  width: 320px !important;
}

.offcanvas-custom .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-fast);
}
.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--color-lime);
  padding-left: 0.5rem;
}

/* Hero Section */
.hero-wrapper {
  position: relative;
  background-color: var(--color-blue);
  background-image:
    linear-gradient(180deg, rgba(8, 127, 193, 0.75) 0%, rgba(5, 100, 155, 0.9) 100%),
    url('assets/images/hero_sky.jpg');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  padding-top: clamp(8rem, 13vw, 11.5rem);
  padding-bottom: clamp(5rem, 8vw, 8rem);
  overflow: hidden;
  color: var(--color-white);
}

.hero-clouds-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 180px;
  background: linear-gradient(to top, var(--color-white) 0%, rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
  z-index: 2;
}

/* Floating Dashboard Cards Cluster */
.hero-dashboard-stage {
  position: relative;
  margin-top: 3.5rem;
  z-index: 3;
}

.floating-cards-row {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 1.25rem;
  perspective: 1200px;
}

.floating-card {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px rgba(5, 70, 110, 0.18), 0 0 0 1px rgba(255, 255, 255, 0.6);
  color: var(--color-black);
  padding: 1.35rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  flex: 1;
  max-width: 290px;
  position: relative;
}

.floating-card:hover {
  transform: translateY(-8px) !important;
  box-shadow: 0 26px 50px rgba(5, 70, 110, 0.26);
}

.card-angle-1 {
  transform: rotate(-3deg) translateY(12px);
}
.card-angle-2 {
  transform: translateY(-16px);
  z-index: 4;
}
.card-angle-3 {
  transform: translateY(-6px);
  z-index: 3;
}
.card-angle-4 {
  transform: rotate(3deg) translateY(16px);
}

.stat-badge-lime {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--color-lime);
  color: var(--color-black);
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: var(--radius-pill);
  padding: 0.2rem 0.6rem;
}

.stat-badge-blue {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--color-blue-tint);
  color: var(--color-blue-dark);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 0.2rem 0.6rem;
}

/* Micro Sparkline Mock */
.mini-sparkline {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 38px;
  margin: 0.75rem 0 0.5rem;
}
.mini-bar {
  flex: 1;
  background-color: rgba(8, 127, 193, 0.18);
  border-radius: 3px;
  transition: height 0.3s ease;
}
.mini-bar.active {
  background-color: var(--color-blue);
}
.mini-bar.lime {
  background-color: #8edc00;
}

/* Inner Page Hero */
.inner-hero {
  background-color: var(--color-blue-dark);
  background-image:
    linear-gradient(180deg, rgba(5, 100, 155, 0.95) 0%, rgba(8, 127, 193, 0.88) 100%),
    url('assets/images/hero_sky.jpg');
  background-size: cover;
  background-position: center center;
  padding-top: clamp(7.5rem, 12vw, 10rem);
  padding-bottom: clamp(3.5rem, 6vw, 5rem);
  color: var(--color-white);
  position: relative;
}

/* Breadcrumbs */
.breadcrumb-custom {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.25rem;
  list-style: none;
  padding: 0;
}
.breadcrumb-custom a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}
.breadcrumb-custom a:hover {
  color: var(--color-lime);
}
.breadcrumb-custom .active {
  color: var(--color-lime);
}

/* Client Logo Strip */
.logo-strip-section {
  padding: 2.25rem 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
}

.logo-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.partner-logo-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #888884;
  opacity: 0.85;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  cursor: default;
}
.partner-logo-item:hover {
  opacity: 1;
  color: var(--color-black);
}

/* Bento & Asymmetric Cards */
.bento-card {
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.bento-blue {
  background-color: var(--color-blue);
  color: var(--color-white);
}
.bento-blue h3, .bento-blue p {
  color: var(--color-white);
}

.bento-lime {
  background-color: var(--color-lime);
  color: var(--color-black);
}
.bento-lime h3, .bento-lime p {
  color: var(--color-black);
}

.bento-dark {
  background-color: var(--color-black);
  color: var(--color-white);
}
.bento-dark h3, .bento-dark p {
  color: var(--color-white);
}

.bento-gray {
  background-color: var(--color-gray-100);
  color: var(--color-black);
  border: 1px solid var(--color-gray-200);
}

.bento-stat {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
}

/* Icon Tile */
.icon-tile-lime {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: var(--color-lime);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-black);
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

.icon-tile-blue {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: var(--color-blue-tint);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue);
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

/* Service Card */
.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-blue-light);
  box-shadow: 0 16px 36px rgba(8, 127, 193, 0.1);
}

.service-card.card-featured {
  background-color: var(--color-gray-100);
  border-color: transparent;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-blue);
  margin-top: auto;
  padding-top: 1.25rem;
  text-decoration: none;
}
.card-link:hover {
  color: var(--color-blue-dark);
}

/* Industry Card */
.industry-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
  color: var(--color-white);
  text-decoration: none;
  background-color: var(--color-black);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.industry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
}

.industry-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
  z-index: 1;
}
.industry-card:hover .industry-card-bg {
  transform: scale(1.05);
}

.industry-card-scrim {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.85) 100%);
  z-index: 2;
}

.industry-card-content {
  position: relative;
  z-index: 3;
}
.industry-card-content h3 {
  color: var(--color-white);
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}
.industry-card-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Impact & Statistics Section (Dark) */
.impact-section {
  background-color: var(--color-black);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.counter-value {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 5vw, 4.25rem);
  font-weight: 800;
  line-height: 1;
  color: var(--color-lime);
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
}

.counter-label {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.counter-sub {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

/* Article / Insights Card */
.article-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}
.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-blue-light);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.06);
}

.article-thumb-wrapper {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background-color: var(--color-gray-100);
}
.article-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.article-card:hover .article-thumb {
  transform: scale(1.04);
}

.article-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  margin-bottom: 0.75rem;
}

.article-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
  color: var(--color-black);
}
.article-card:hover .article-title {
  color: var(--color-blue);
}

/* Call to Action Banner */
.cta-banner {
  background-color: var(--color-blue);
  background-image:
    radial-gradient(circle at 85% 20%, rgba(208, 255, 82, 0.18) 0%, transparent 40%),
    linear-gradient(135deg, var(--color-blue-dark) 0%, var(--color-blue) 100%);
  border-radius: var(--radius-xl);
  padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 4rem);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

/* Site Footer */
.site-footer {
  background-color: var(--color-black);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 5rem;
  padding-bottom: 2.5rem;
  font-size: 0.9375rem;
}

.footer-brand {
  margin-bottom: 1.5rem;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 0.65rem;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.68);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-links a:hover {
  color: var(--color-lime);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  margin-top: 4rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Form Styles */
.form-control-custom, .form-select-custom {
  width: 100%;
  padding: 0.85rem 1.15rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-black);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control-custom:focus, .form-select-custom:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(8, 127, 193, 0.15);
  outline: none;
}

.form-label-custom {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: 0.4rem;
  display: block;
}

/* Accordion Custom */
.accordion-custom .accordion-item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md) !important;
  margin-bottom: 1rem;
  overflow: hidden;
  background-color: var(--color-white);
}

.accordion-custom .accordion-button {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-black);
  background-color: var(--color-white);
  padding: 1.25rem 1.5rem;
  box-shadow: none !important;
}

.accordion-custom .accordion-button:not(.collapsed) {
  color: var(--color-blue);
  background-color: var(--color-gray-100);
}

.accordion-custom .accordion-body {
  padding: 1.25rem 1.5rem;
  color: var(--color-gray-700);
}

/* Filter Controls */
.filter-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  border: 1px solid var(--color-gray-300);
  background-color: var(--color-white);
  color: var(--color-gray-700);
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-btn:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}
.filter-btn.active {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-black);
  color: var(--color-lime);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 999;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background-color: var(--color-blue);
  color: var(--color-white);
  transform: translateY(-3px);
}