*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary-white: #FFFFFF;
  --color-primary-black: #0A0A0A;
  --color-accent-orange: #FF6B35;
  --color-dark-gray: #1E1E1E;
  --color-medium-gray: #B0B0B0;
  --color-light-gray: #F5F5F5;
  --color-gold: #C9A96E;
  --color-deep-blue: #0A2540;
  --font-heading: 'Inter', 'Inter Bold', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-accent: 'Inter', 'Inter Light', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --size-heading-xl: clamp(2.5rem, 6vw, 4.5rem);
  --size-heading-lg: clamp(1.75rem, 4vw, 2.75rem);
  --size-heading-md: clamp(1.25rem, 2.5vw, 1.75rem);
  --size-body: clamp(1rem, 1.2vw, 1.125rem);
  --size-small: clamp(0.75rem, 0.9vw, 0.875rem);
  --size-index: clamp(0.625rem, 0.8vw, 0.75rem);
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --max-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.10);
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.6;
  color: var(--color-primary-black);
  background-color: var(--color-primary-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-accent-orange);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--size-heading-xl); }
h2 { font-size: var(--size-heading-lg); }
h3 { font-size: var(--size-heading-md); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 10000;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary-black);
  color: var(--color-primary-white);
  font-size: var(--size-small);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
  outline: 2px solid var(--color-accent-orange);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (max-width: 767px) {
  .container {
    padding: 0 var(--space-md);
  }
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

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

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

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

@media (max-width: 1023px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-size: var(--size-small);
  color: var(--color-medium-gray);
  padding: var(--space-md) 0;
}

.breadcrumb a {
  color: var(--color-medium-gray);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.breadcrumb a:hover {
  color: var(--color-accent-orange);
}

.breadcrumb span + span::before {
  content: '/';
  margin: 0 var(--space-xs);
  color: var(--color-medium-gray);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--size-small);
  line-height: 1.4;
  text-align: center;
  border-radius: var(--radius-sm);
  transition: background var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-accent-orange);
  color: var(--color-primary-white);
  border-color: var(--color-accent-orange);
}

.btn-primary:hover {
  background: #e55a2b;
  border-color: #e55a2b;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent-orange);
  border-color: var(--color-accent-orange);
}

.btn-outline:hover {
  background: var(--color-accent-orange);
  color: var(--color-primary-white);
}

.glass-panel {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
}

.card {
  background: var(--color-primary-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.tag {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: var(--size-index);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-medium-gray);
  padding: 0.125rem 0.5rem;
  border: 1px solid var(--color-medium-gray);
  border-radius: var(--radius-sm);
}

.tag--active {
  color: var(--color-accent-orange);
  border-color: var(--color-accent-orange);
  background: rgba(255, 107, 53, 0.08);
}

.data-display {
  font-family: var(--font-accent);
  font-size: var(--size-heading-lg);
  font-weight: 300;
  line-height: 1;
  color: var(--color-primary-black);
  letter-spacing: -0.02em;
}

.data-display__unit {
  font-size: var(--size-body);
  font-style: italic;
  color: var(--color-medium-gray);
  margin-left: 0.25rem;
}

.scale-bar {
  display: flex;
  align-items: flex-end;
  height: 6px;
  background: var(--color-light-gray);
  overflow: visible;
  position: relative;
}

.scale-bar__tick {
  flex: 1;
  height: 4px;
  background: var(--color-medium-gray);
  border-right: 1px solid var(--color-primary-white);
}

.scale-bar__tick:first-child {
  background: var(--color-accent-orange);
  height: 6px;
}

.scale-bar__tick:last-child {
  border-right: none;
}

.header {
  position: relative;
  z-index: 1000;
  width: 100%;
  background: var(--color-primary-white);
  border-bottom: 1px solid var(--color-light-gray);
}

.header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-deep-blue);
  max-width: var(--max-width);
  margin: 0 auto;
  gap: var(--space-md);
}

.header__brand-group {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.header__brand {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-primary-white);
  letter-spacing: -0.02em;
  line-height: 1;
}

.header__tagline {
  font-family: var(--font-accent);
  font-size: var(--size-index);
  font-style: italic;
  color: var(--color-gold);
  letter-spacing: 0.03em;
  font-weight: 300;
  opacity: 0.9;
}

.header__cta {
  flex-shrink: 0;
  font-size: clamp(0.75rem, 1vw, 0.875rem);
  padding: 0.5rem 1.25rem;
}

.header__nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
}

.header__nav-toggle-icon,
.header__nav-toggle-icon::before,
.header__nav-toggle-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary-white);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__nav-toggle-icon {
  position: relative;
}

.header__nav-toggle-icon::before,
.header__nav-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
}

.header__nav-toggle-icon::before {
  top: -6px;
}

.header__nav-toggle-icon::after {
  top: 6px;
}

.header__nav-toggle[aria-expanded="true"] .header__nav-toggle-icon {
  background: transparent;
}

.header__nav-toggle[aria-expanded="true"] .header__nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.header__nav-toggle[aria-expanded="true"] .header__nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 var(--space-lg);
  background: var(--color-primary-white);
  max-width: var(--max-width);
  margin: 0 auto;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.header__nav-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-heading);
  font-size: var(--size-small);
  font-weight: 500;
  color: var(--color-primary-black);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.header__nav-link:hover {
  color: var(--color-accent-orange);
}

.header__nav-link[aria-current="page"] {
  color: var(--color-accent-orange);
  border-bottom-color: var(--color-accent-orange);
  font-weight: 700;
}

@media (max-width: 1023px) {
  .header__top {
    padding: var(--space-sm) var(--space-md);
    flex-wrap: wrap;
  }

  .header__brand {
    font-size: 1.375rem;
  }

  .header__tagline {
    font-size: var(--size-index);
  }

  .header__cta {
    font-size: 0.75rem;
    padding: 0.4rem 1rem;
    order: 3;
    margin-left: auto;
  }

  .header__nav-toggle {
    display: flex;
    order: 4;
    margin-left: var(--space-sm);
  }

  .header__nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
  }

  .header__nav[data-open] {
    display: flex;
    max-height: 600px;
    padding: var(--space-sm) 0;
  }

  .header__nav-link {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-light-gray);
    border-left: 3px solid transparent;
  }

  .header__nav-link[aria-current="page"] {
    border-bottom-color: var(--color-light-gray);
    border-left-color: var(--color-accent-orange);
  }

  .header__nav-link:last-child {
    border-bottom: none;
  }
}

@media (max-width: 480px) {
  .header__top {
    flex-wrap: nowrap;
    gap: var(--space-sm);
  }

  .header__brand-group {
    gap: var(--space-xs);
  }

  .header__brand {
    font-size: 1.125rem;
  }

  .header__tagline {
    display: none;
  }

  .header__cta {
    font-size: 0.6875rem;
    padding: 0.3rem 0.75rem;
    white-space: nowrap;
  }

  .header__nav-toggle {
    width: 34px;
    height: 34px;
    padding: 6px;
  }

  .header__nav-toggle-icon,
  .header__nav-toggle-icon::before,
  .header__nav-toggle-icon::after {
    width: 18px;
  }

  .header__nav-link {
    font-size: var(--size-index);
    padding: var(--space-xs) var(--space-md);
  }
}

.footer {
  background: var(--color-deep-blue);
  color: var(--color-primary-white);
  width: 100%;
}

.footer__main {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.footer__brand {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--size-heading-md);
  font-weight: 700;
  color: var(--color-primary-white);
  margin-bottom: var(--space-sm);
}

.footer__trust {
  font-size: var(--size-small);
  color: var(--color-gold);
  font-style: italic;
  line-height: 1.5;
  max-width: 28em;
}

.footer__contact-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__contact-item {
  font-size: var(--size-small);
  color: var(--color-medium-gray);
  line-height: 1.5;
}

.footer__contact-item[href^="mailto"]:hover {
  color: var(--color-accent-orange);
}

.footer__links-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: var(--size-small);
  color: var(--color-medium-gray);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent-orange);
}

.footer__bottom {
  background: var(--color-primary-black);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  font-size: var(--size-index);
  color: var(--color-medium-gray);
}

.footer__icp {
  letter-spacing: 0.02em;
}

.footer__copyright {
  opacity: 0.7;
}

@media (max-width: 1023px) {
  .footer__main {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .footer__brand-section {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .footer__main {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding: var(--space-lg) var(--space-md);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    text-align: center;
  }
}

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--color-accent-orange);
  z-index: 9999;
  pointer-events: none;
  transition: width 80ms linear;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .progress-bar {
    transition: none;
  }

  .card:hover {
    transform: none;
  }

  .btn:hover {
    transform: none;
  }
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.filter-trigger {
  padding: 0.375rem 1rem;
  font-family: var(--font-heading);
  font-size: var(--size-index);
  font-weight: 500;
  color: var(--color-medium-gray);
  border: 1px solid var(--color-medium-gray);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.filter-trigger:hover {
  color: var(--color-accent-orange);
  border-color: var(--color-accent-orange);
}

.filter-trigger[aria-pressed="true"] {
  color: var(--color-primary-white);
  background: var(--color-accent-orange);
  border-color: var(--color-accent-orange);
}

.filter-target {
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.filter-target[data-filter-hidden] {
  display: none;
}

@media print {
  .header__nav-toggle,
  .progress-bar,
  .filter-group {
    display: none;
  }

  .header,
  .footer {
    break-inside: avoid;
    border: none;
  }

  .header__top {
    background: var(--color-primary-white);
    color: var(--color-primary-black);
  }

  .header__brand {
    color: var(--color-primary-black);
  }

  .header__tagline {
    color: var(--color-medium-gray);
  }

  .footer {
    background: var(--color-primary-white);
    color: var(--color-primary-black);
  }

  .footer__brand {
    color: var(--color-primary-black);
  }

  .footer__bottom {
    background: var(--color-light-gray);
  }
}