:root {
  --bg: #0a0a0a;
  --surface: #1a1a1a;
  --text: #ffffff;
  --text-secondary: #a3a3a3;
  --accent: #10b981;
  --accent-hover: #059669;
  --data-blue: #3b82f6;
  --data-amber: #f59e0b;
  --radius: 8px;
  --max-width: 1120px;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

p {
  color: var(--text-secondary);
  margin-block: var(--space-xs) var(--space-md);
}

strong,
b {
  color: #6b9bb8;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 var(--space-md);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
  width: auto;
  height: auto;
  background: var(--surface);
  color: var(--text);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  outline: 2px solid var(--accent);
  z-index: 1000;
}

.site-header,
.section,
.site-footer,
.page-content {
  width: min(100%, var(--max-width));
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding-block: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 138px;
  height: auto;
  object-fit: contain;
}

.lang-switch {
  display: inline-flex;
  gap: var(--space-xs);
}

.lang-switch button {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid #2e2e2e;
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  font: inherit;
}

.lang-switch button:hover {
  border-color: #4a4a4a;
}

.lang-switch button.active,
.lang-switch button[aria-current="true"] {
  color: var(--text);
  border-color: var(--accent);
}

.section {
  padding-block: clamp(2.5rem, 6vw, var(--space-xl));
}

.hero {
  padding-top: 1rem;
}

.section-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
}

.section-text {
  flex: 1 1 320px;
}

.section-image {
  flex: 1 1 320px;
  text-align: center;
}

.section-image img {
  margin-inline: auto;
  border-radius: var(--radius);
}

.hero-image {
  max-width: 500px;
}

.regular-image {
  max-width: 500px;
}

.trust-image {
  transform: translateX(10px);
}

.solution-image {
  max-width: 600px;
}

.closing-image {
  max-width: 800px;
  margin-inline: auto;
}

.section-card {
  background: var(--surface);
  border: 1px solid #232323;
  border-radius: 14px;
  padding: clamp(1rem, 2vw, 1.5rem);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.cta-inline-note {
  align-self: center;
  color: var(--text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--text);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.72rem 1rem;
  font-weight: 600;
  text-decoration: none;
}

.btn:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-secondary {
  background: transparent;
  border-color: #2f7e67;
}

.btn-secondary:hover {
  background: rgba(16, 185, 129, 0.14);
  border-color: var(--accent);
}

.text-highlight {
  color: var(--data-blue);
}

.page-content {
  padding-block: clamp(2rem, 4vw, 3rem);
}

.prose {
  max-width: 74ch;
}

.prose p {
  margin-block: var(--space-sm) var(--space-md);
}

.manifesto-list {
  margin: var(--space-md) 0 var(--space-lg);
  padding-left: 1.25rem;
}

.manifesto-list li {
  margin-bottom: var(--space-xs);
  color: var(--text-secondary);
}

.quote {
  color: var(--text);
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid #262626;
  margin-top: var(--space-xl);
  padding-block: var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 1024px) {
  .section {
    padding-block: 3rem;
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-content {
    flex-direction: column;
  }

  .trust-image {
    transform: none;
  }
}