:root {
  --color-night: #0D1B2A;
  --color-primary: #1C6758;
  --color-energy: #F9A03F;
  --color-wine: #6D1A2C;
  --color-indigo: #4B3B72;
  --color-fog: #F4F6F8;
  --color-line: #D1D8E0;
  --color-ink: #212529;
  --color-white: #FFFFFF;

  --font-headline: 'Barlow Condensed', 'Arial Narrow', 'PingFang SC', sans-serif;
  --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-numeric: 'DIN Alternate', 'Barlow Condensed', monospace;

  --sidebar-width: 280px;
  --content-max: 1240px;
  --border-thick: 3px;
  --shadow-card: 0 6px 24px rgba(13, 27, 42, 0.08);
  --space-section: 4.5rem;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-ink);
  background-color: var(--color-fog);
}

main {
  display: block;
  flex: 1 0 auto;
  min-height: 60vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul,
ol {
  margin: 0 0 1.5rem;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.35rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 0.5em;
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-night);
}

h1 { font-size: clamp(2.2rem, 6vw, 3.5rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

[id] {
  scroll-margin-top: 90px;
}

:focus-visible {
  outline: 3px solid var(--color-energy);
  outline-offset: 2px;
}

main:focus,
main:focus-visible {
  outline: none;
}

::selection {
  background: var(--color-energy);
  color: var(--color-night);
}

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

.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.85rem 1.25rem;
  background: var(--color-energy);
  color: var(--color-night);
  font-family: var(--font-headline);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--color-night);
  box-shadow: var(--shadow-card);
  transition: top 0.2s ease;
}

.skip-link:focus-visible {
  top: 1rem;
}

@media (max-width: 1023px) {
  body {
    margin-left: 0;
  }

  [id] {
    scroll-margin-top: 80px;
  }
}

@media (min-width: 1024px) {
  body {
    margin-left: var(--sidebar-width);
  }

  [id] {
    scroll-margin-top: 20px;
  }
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  z-index: 3000;
  pointer-events: none;
}

.scroll-progress::before {
  content: '';
  display: block;
  height: 100%;
  width: 100%;
  background: var(--color-energy);
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    var(--color-night);
  background-size: 24px 24px;
  border-right: var(--border-thick) solid var(--color-primary);
  z-index: 1500;
  overflow-y: auto;
  overflow-x: hidden;
}

.header-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--color-white);
}

.brand-mark {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-energy);
  border: 2px solid var(--color-energy);
  padding: 0.15em 0.25em;
  letter-spacing: 0.02em;
}

.brand-titles {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-white);
}

.brand-tag {
  font-size: 0.65rem;
  letter-spacing: 0.32em;
  color: var(--color-energy);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 9px;
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.28);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.nav-toggle:hover .nav-toggle-bar {
  background: var(--color-energy);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0 1rem 1rem;
}

.site-nav::before {
  content: '';
  display: block;
  flex-shrink: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-energy) 0 32%, var(--color-primary) 32% 100%);
  margin-bottom: 1.5rem;
}

.nav-heading {
  margin: 0 0 1rem;
  padding-bottom: 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: rgba(244, 246, 248, 0.6);
  border-bottom: 1px solid rgba(244, 246, 248, 0.15);
}

.nav-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: 0.25rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: rgba(244, 246, 248, 0.85);
  text-decoration: none;
  border: 1px solid transparent;
  border-left: 4px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.nav-link-index {
  font-family: var(--font-numeric);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-energy);
  opacity: 0.6;
}

.nav-link-label {
  font-family: var(--font-headline);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #FFFFFF;
  background: rgba(28, 103, 88, 0.35);
  border-left-color: var(--color-energy);
}

.nav-link[aria-current="page"] {
  color: #FFFFFF;
  background: rgba(28, 103, 88, 0.5);
  border-left-color: var(--color-energy);
  box-shadow: inset 4px 0 0 var(--color-energy);
}

.nav-footer-block {
  margin-top: auto;
  padding-top: 1.5rem;
}

.nav-stat-line {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  line-height: 1.6;
  color: rgba(244, 246, 248, 0.6);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-headline);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn-cta {
  background: var(--color-energy);
  color: var(--color-night);
  border-color: var(--color-energy);
}

.btn-cta:hover,
.btn-cta:focus-visible {
  background: transparent;
  color: var(--color-energy);
  box-shadow: 0 0 0 3px rgba(249, 160, 63, 0.4);
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: transparent;
  color: var(--color-primary);
}

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

.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.2rem;
}

.nav-download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

@media (max-width: 1023px) {
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    bottom: auto;
    flex-direction: row;
    align-items: center;
    border-right: none;
    border-bottom: var(--border-thick) solid var(--color-primary);
    background-image:
      linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    overflow: visible;
  }

  .header-topbar {
    width: 100%;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
  }

  .brand-mark {
    font-size: 1.5rem;
  }

  .brand-name {
    font-size: 1.15rem;
  }

  .brand-tag {
    font-size: 0.55rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 64px;
    left: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: var(--color-night);
    background-image:
      linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.35);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    padding: 1.25rem 1rem 1rem;
    overflow-y: auto;
    z-index: 1600;
  }

  .site-nav[data-open] {
    transform: translateX(0);
  }

  .site-nav::before {
    margin-bottom: 1rem;
  }

  .nav-heading {
    font-size: 0.75rem;
  }

  .nav-list {
    gap: 0;
  }

  .nav-link {
    border-left: none;
    border-bottom: 1px solid rgba(244, 246, 248, 0.1);
  }

  .nav-link:hover,
  .nav-link:focus-visible,
  .nav-link[aria-current="page"] {
    box-shadow: none;
    border-left: none;
    background: rgba(28, 103, 88, 0.4);
  }
}

.site-footer {
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    var(--color-night);
  background-size: 24px 24px;
  color: rgba(244, 246, 248, 0.85);
  margin-top: auto;
  padding-bottom: max(2rem, env(safe-area-inset-bottom));
}

.site-footer::before {
  content: '';
  display: block;
  height: 6px;
  background: linear-gradient(90deg, var(--color-primary) 0 40%, var(--color-energy) 40% 58%, var(--color-wine) 58% 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 4rem 2rem 3rem;
}

.footer-brand-col {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-white);
}

.footer-brand-mark {
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-energy);
  border: 2px solid var(--color-energy);
  padding: 0.2em 0.3em;
}

.footer-brand-inner {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.footer-brand-name {
  font-family: var(--font-headline);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-brand-tag {
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--color-energy);
  font-weight: 600;
}

.footer-trust {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(244, 246, 248, 0.65);
  max-width: 40ch;
}

.footer-col {
  min-width: 0;
}

.footer-heading {
  margin: 0 0 1.25rem;
  padding-bottom: 0.5rem;
  font-family: var(--font-headline);
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-energy);
  border-bottom: 2px solid rgba(244, 246, 248, 0.15);
}

.footer-links,
.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.footer-links a {
  display: inline-block;
  color: rgba(244, 246, 248, 0.85);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-energy);
  border-bottom-color: var(--color-energy);
}

.footer-contact {
  font-size: 0.9rem;
  color: rgba(244, 246, 248, 0.7);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem 2rem;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1.5rem 2rem;
  border-top: 1px solid rgba(244, 246, 248, 0.15);
  font-size: 0.85rem;
  color: rgba(244, 246, 248, 0.5);
}

.footer-copyright,
.footer-icp {
  margin: 0;
  letter-spacing: 0.04em;
}

@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

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

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    padding: 3rem 1.25rem 2.5rem;
    gap: 2rem;
  }

  .footer-base {
    padding: 1.25rem;
    flex-direction: column;
    align-items: flex-start;
  }
}

.container,
.container-narrow {
  width: 100%;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

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

.container-narrow {
  max-width: 860px;
}

@media (max-width: 600px) {
  .container,
  .container-narrow {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

.section {
  padding: var(--space-section) 0;
}

.section-night {
  background: var(--color-night);
  color: rgba(255, 255, 255, 0.85);
}

.section-wine {
  background: var(--color-wine);
  color: rgba(255, 255, 255, 0.85);
}

.section-indigo {
  background: var(--color-indigo);
  color: rgba(255, 255, 255, 0.85);
}

.section-grass {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.88);
}

.section-night h1,
.section-night h2,
.section-night h3,
.section-wine h1,
.section-wine h2,
.section-wine h3,
.section-indigo h1,
.section-indigo h2,
.section-indigo h3,
.section-grass h1,
.section-grass h2,
.section-grass h3 {
  color: inherit;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.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: 991px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.card {
  padding: 2rem;
  background: var(--color-white);
  border: var(--border-thick) solid var(--color-line);
  box-shadow: var(--shadow-card);
}

.card-dark {
  background: var(--color-night);
  color: var(--color-white);
  border-color: var(--color-night);
}

.card-grass {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.card-wine {
  background: var(--color-wine);
  color: var(--color-white);
  border-color: var(--color-wine);
}

.card-indigo {
  background: var(--color-indigo);
  color: var(--color-white);
  border-color: var(--color-indigo);
}

.card-dark h1,
.card-dark h2,
.card-dark h3,
.card-grass h1,
.card-grass h2,
.card-grass h3,
.card-wine h1,
.card-wine h2,
.card-wine h3,
.card-indigo h1,
.card-indigo h2,
.card-indigo h3 {
  color: inherit;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  font-size: 0.85rem;
}

.breadcrumb li + li::before {
  content: '/';
  margin-right: 0.75rem;
  color: var(--color-line);
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--color-energy);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-ink);
  font-weight: 400;
}

.page-title {
  margin: 0 0 1.5rem;
}

.page-lead {
  margin: 0 0 2rem;
  font-size: 1.15rem;
  line-height: 1.85;
  color: #49545E;
  max-width: 62ch;
}

.display {
  font-family: var(--font-headline);
  font-size: clamp(3.8rem, 14vw, 6rem);
  font-weight: 700;
  line-height: 0.95;
  margin: 0 0 1.5rem;
  text-transform: uppercase;
  color: var(--color-night);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 2rem;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--color-night);
}

.section-title[data-index]::before {
  content: attr(data-index);
  font-family: var(--font-numeric);
  font-size: 0.65em;
  font-weight: 700;
  line-height: 1;
  color: var(--color-energy);
  border-right: 3px solid var(--color-energy);
  padding-right: 0.5rem;
}

.figure {
  margin: 0;
  background: var(--color-line);
  border: var(--border-thick) solid var(--color-line);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure-placeholder {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, transparent 0 60%, rgba(255, 255, 255, 0.06) 60% 100%),
    var(--color-night);
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-headline);
  font-size: 1.5rem;
  letter-spacing: 0.2em;
}

.tag {
  display: inline-block;
  padding: 0.3em 0.75em;
  font-family: var(--font-headline);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--color-primary);
  border: 2px solid currentColor;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.4em 0.75em;
  font-family: var(--font-headline);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
  border: 2px solid currentColor;
}

.badge-live {
  color: var(--color-energy);
  background: rgba(249, 160, 63, 0.1);
}

.badge-live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.data-number {
  display: block;
  font-family: var(--font-numeric);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.data-table {
  width: 100%;
  margin: 0 0 2rem;
  border-collapse: collapse;
  background: var(--color-white);
  border: var(--border-thick) solid var(--color-line);
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid var(--color-line);
}

.data-table th {
  background: var(--color-night);
  color: var(--color-white);
  font-family: var(--font-headline);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  border-color: var(--color-night);
}

.data-table tbody tr:nth-child(even) {
  background: rgba(28, 103, 88, 0.06);
}

.speed-stripe {
  height: 8px;
  background: repeating-linear-gradient(
    135deg,
    var(--color-energy) 0,
    var(--color-energy) 10px,
    var(--color-night) 10px,
    var(--color-night) 20px
  );
  border-right: var(--border-thick) solid var(--color-night);
}

.tilt {
  transform: rotate(-1.2deg);
}

.js [data-reveal="pending"] {
  opacity: 0;
  transform: translateY(16px);
}

.js [data-reveal="visible"] {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal="pending"] {
    opacity: 1;
    transform: none;
  }

  .site-nav {
    transition: none;
  }
}

@media (prefers-reduced-motion: reduce) and (max-width: 1023px) {
  .site-nav {
    transform: translateX(-100%);
    transition: none;
  }

  .site-nav[data-open] {
    transform: translateX(0);
    transition: none;
  }
}