:root {
  --bg: #0a0b0b;
  --surface: #151818;
  --surface-2: #1c2020;
  --surface-3: #232828;
  --stroke: rgba(255, 255, 255, 0.1);
  --stroke-hover: rgba(255, 255, 255, 0.2);
  --text: #f2f2f2;
  --text-secondary: #c4c7cc;
  --muted: #8a8d92;
  --primary: #31694e;
  --accent: #bbc863;
  --gold: #d4a853;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #0a0b0b 0%, #0d1210 50%, #0a0b0b 100%);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

/* ========== PAGE LAYOUT ========== */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== APP BAR ========== */
.appbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 11, 11, 0.9);
  border-bottom: 1px solid var(--stroke);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.appbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 12px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.logo-box:hover {
  border-color: var(--stroke-hover);
  transform: scale(1.05);
}

.logo-box img {
  height: 36px;
  width: auto;
  object-fit: contain;
  opacity: 0.9;
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.nav a {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav a:hover {
  color: var(--text);
  background: var(--surface-2);
}

/* ========== HERO ========== */
.hero {
  padding: 32px 24px 24px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 6px 14px;
  background: var(--surface-2);
  border: 1px solid var(--stroke);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.hero h1 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.hero p {
  font-size: 15px;
  color: var(--muted);
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========== SECTIONS ========== */
.section {
  padding: 24px 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* ========== CARDS ========== */
.card {
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--stroke-hover);
}

.card h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.card h2 .icon {
  font-size: 22px;
}

.card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  margin: 20px 0 10px;
  padding-top: 16px;
  border-top: 1px solid var(--stroke);
}

.card h3:first-of-type {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--stroke);
}

/* ========== META TEXT ========== */
.meta {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

.meta:last-child {
  margin-bottom: 0;
}

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

.version-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--surface-2);
  border-radius: 50px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 16px;
}

/* ========== LISTS ========== */
.list {
  list-style: none;
  margin: 12px 0;
  padding: 0;
}

.list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

.list li:last-child {
  margin-bottom: 0;
}

.list li strong {
  color: var(--text);
}

/* ========== FEATURES GRID ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--surface-2);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.feature-item:hover {
  border-color: var(--stroke-hover);
  background: var(--surface-3);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 24px;
  flex-shrink: 0;
  line-height: 1;
}

.feature-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.feature-text strong {
  display: block;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 4px;
}

/* ========== CARDS GRID ========== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

/* ========== LINKS ========== */
.email-link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 2px;
  transition: text-decoration-color 0.2s ease;
}

.email-link:hover {
  text-decoration-color: var(--accent);
}

/* ========== FAQ ========== */
.faq-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--stroke);
}

.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.faq-item:first-child {
  padding-top: 0;
}

.faq-question {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.faq-question::before {
  content: "Q";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--accent);
  color: var(--bg);
  font-size: 12px;
  font-weight: 700;
  border-radius: 4px;
  flex-shrink: 0;
}

.faq-answer {
  font-size: 14px;
  color: var(--text-secondary);
  padding-left: 32px;
  line-height: 1.7;
}

/* ========== TIP BOX ========== */
.tip-box {
  margin-top: 20px;
  padding: 16px;
  background: var(--surface-2);
  border: 1px solid var(--stroke);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-secondary);
}

.tip-box strong {
  color: var(--accent);
}

/* ========== FOOTER ========== */
.footer {
  margin-top: auto;
  padding: 24px;
  border-top: 1px solid var(--stroke);
  background: rgba(10, 11, 11, 0.8);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.footer-text {
  font-size: 13px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
}

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

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

.footer-copyright {
  width: 100%;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding-top: 16px;
  margin-top: 4px;
  border-top: 1px solid var(--stroke);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .appbar-inner {
    padding: 12px 16px;
  }

  .hero {
    padding: 32px 16px 24px;
  }

  .section {
    padding: 12px 16px;
  }

  .card {
    padding: 20px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    width: 100%;
    justify-content: center;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

/* ========== PRINT ========== */
@media print {

  .appbar,
  .footer,
  .hero-badge {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .card {
    border: 1px solid #ccc;
    background: white;
    break-inside: avoid;
  }
}