:root {
  --c-bg: #0c0c14;
  --c-bg-card: #16161f;
  --c-bg-elevated: #1e1e2a;
  --c-primary: #e63946;
  --c-primary-glow: rgba(230, 57, 70, .25);
  --c-primary-dark: #b22d38;
  --c-accent: #f4a261;
  --c-text: #eaeaf0;
  --c-text-dim: #9494a8;
  --c-text-faint: #5e5e72;
  --c-border: #2a2a3a;
  --c-link: #f4a261;
  --c-link-hover: #e76f51;
  --c-success: #2ec47a;
  --c-table-head: #1a1a28;
  --c-table-stripe: rgba(255,255,255,.02);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 12px rgba(0,0,0,.35);
  --shadow-glow: 0 0 20px var(--c-primary-glow);
  --font: 'Poppins', system-ui, -apple-system, sans-serif;
  --max-w: 960px;
  --gap: 16px;
}

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

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

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.wr {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
}

h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: #fff; }

h1 { font-size: 1.55em; margin-bottom: 12px; }
h2 { font-size: 1.35em; margin: 36px 0 14px; position: relative; padding-left: 14px; }
h2::before {
  content: '';
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: var(--c-primary);
}
h3 { font-size: 1.1em; margin: 22px 0 8px; color: var(--c-accent); }

p { margin-bottom: 14px; color: var(--c-text); }

a { color: var(--c-link); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-link-hover); }

ul, ol { padding-left: 22px; margin-bottom: 14px; }
li { margin-bottom: 5px; }

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

hr { border: none; height: 1px; background: var(--c-border); margin: 24px 0; }

strong { color: #fff; }
em { color: var(--c-text-dim); }

/* ===== Site Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(12,12,20,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.site-header .wr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.site-header__brand {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .3px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-header__brand b { color: var(--c-primary); }
.site-header__brand img {
  max-height: 36px;
  width: auto;
}

#nav-trigger { display: none; }

.site-header__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 32px;
  height: 32px;
  cursor: pointer;
  gap: 5px;
}
.site-header__hamburger-line,
.site-header__hamburger-line::before,
.site-header__hamburger-line::after {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s, opacity .2s;
}
.site-header__hamburger-line { position: relative; }
.site-header__hamburger-line::before,
.site-header__hamburger-line::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
}
.site-header__hamburger-line::before { top: -7px; }
.site-header__hamburger-line::after { top: 7px; }

#nav-trigger:checked + .site-header__hamburger .site-header__hamburger-line { background: transparent; }
#nav-trigger:checked + .site-header__hamburger .site-header__hamburger-line::before {
  top: 0; transform: rotate(45deg);
}
#nav-trigger:checked + .site-header__hamburger .site-header__hamburger-line::after {
  top: 0; transform: rotate(-45deg);
}

.site-header__nav {
  display: none;
  position: absolute;
  top: 56px;
  left: 0;
  right: 0;
  background: rgba(12,12,20,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  list-style: none;
  flex-direction: column;
}
#nav-trigger:checked ~ .site-header__nav { display: flex; }

.site-header__nav li a {
  display: block;
  padding: 14px var(--gap);
  color: var(--c-text);
  font-size: 14px;
  font-weight: 500;
  border-bottom: 1px solid var(--c-border);
  transition: background .2s, color .2s;
}
.site-header__nav li:last-child a { border-bottom: none; }
.site-header__nav li a:hover {
  background: var(--c-primary-glow);
  color: var(--c-primary);
}

/* ===== Breadcrumbs ===== */
.crumbs {
  padding: 12px 0 4px;
  font-size: 13px;
}
.crumbs ol {
  list-style: none;
  display: flex;
  gap: 6px;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}
.crumbs li::after { content: "›"; margin-left: 6px; color: var(--c-text-faint); }
.crumbs li:last-child::after { content: ""; }
.crumbs a { color: var(--c-text-dim); }
.crumbs li[aria-current="page"] { color: var(--c-text-faint); }

/* ===== Hero Strip ===== */
.hero-strip {
  margin: var(--gap) auto;
  padding: 16px 18px;
  max-width: var(--max-w);
  background: linear-gradient(135deg, var(--c-primary-dark) 0%, var(--c-bg-elevated) 100%);
  border-radius: var(--radius-md);
  border: 1px solid rgba(230,57,70,.3);
  box-shadow: var(--shadow-glow);
}
.hero-strip__inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}
.hero-strip__title { font-size: 16px; font-weight: 600; color: #fff; }
.hero-strip__action a {
  display: inline-block;
  padding: 10px 22px;
  background: var(--c-primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: background .2s, transform .15s;
}
.hero-strip__action a:hover {
  background: var(--c-primary-dark);
  transform: translateY(-1px);
  color: #fff;
}

/* ===== Writer Card (Author) ===== */
.writer-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 20px;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  text-align: center;
}
.writer-card__avatar img {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 3px solid var(--c-primary);
  object-fit: cover;
}
.writer-card__body { flex: 1; }
.writer-card__subtitle { font-size: 14px; color: var(--c-text-dim); margin-bottom: 4px; }
.writer-card__subtitle a { color: var(--c-link); }
.writer-card__timestamps { font-size: 12px; color: var(--c-text-faint); line-height: 1.6; }
.writer-card--compact .writer-card__avatar img { width: 72px; height: 72px; }

/* ===== Update Ribbon ===== */
.update-ribbon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  margin-bottom: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-success);
  background: rgba(46,196,122,.08);
  border: 1px solid rgba(46,196,122,.25);
  border-radius: var(--radius-sm);
  text-align: center;
}

/* ===== Hero Media ===== */
.hero-media {
  margin: 0 0 18px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--c-border);
  background: var(--c-bg-card);
  box-shadow: var(--shadow-card);
}
.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ===== Table of Contents ===== */
.contents-nav {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 18px;
  margin: 24px 0;
}
.contents-nav__heading {
  font-size: 1.05em;
  margin: 0 0 10px;
  padding: 0;
  color: #fff;
}
.contents-nav__heading::before { display: none; }
.contents-nav__items { padding-left: 18px; margin: 0; }
.contents-nav__items li { margin-bottom: 7px; }
.contents-nav__items a { color: var(--c-link); font-size: 14px; }
.contents-nav__items a:hover { color: var(--c-primary); }

/* ===== Cards Grid ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin: 24px auto;
  max-width: var(--max-w);
  padding: 0 var(--gap);
}

.card {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: visible;
  transition: border-color .25s, transform .25s, box-shadow .25s;
  animation: fadeIn .5s ease-out both;
}

.card:hover {
  border-color: var(--c-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-accent) 100%);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* Rank badges */
.rank-badge {
  position: absolute;
  top: -14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,.4);
  background: var(--c-bg-elevated);
  border: 2px solid var(--c-border);
}

.card[data-rank="1"] .rank-badge {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  border-color: #FFD700;
  box-shadow: 0 4px 18px rgba(255, 215, 0, .45);
  width: 48px;
  height: 48px;
}
.card[data-rank="1"] .rank-badge::before {
  content: '1';
  color: #1a1a28;
  font-weight: 800;
  font-size: 20px;
}
.card[data-rank="1"]::before {
  height: 4px;
  background: linear-gradient(90deg, #FFD700 0%, #FFA500 100%);
}

.card[data-rank="2"] .rank-badge {
  background: linear-gradient(135deg, #E0E0E0 0%, #B0B0B0 100%);
  border-color: #C0C0C0;
  box-shadow: 0 4px 18px rgba(192, 192, 192, .45);
  width: 46px;
  height: 46px;
}
.card[data-rank="2"] .rank-badge::before {
  content: '2';
  color: #1a1a28;
  font-weight: 800;
  font-size: 19px;
}
.card[data-rank="2"]::before {
  height: 4px;
  background: linear-gradient(90deg, #C0C0C0 0%, #A8A8A8 100%);
}

.card[data-rank="3"] .rank-badge {
  background: linear-gradient(135deg, #CD7F32 0%, #B87333 100%);
  border-color: #CD7F32;
  box-shadow: 0 4px 18px rgba(205, 127, 50, .45);
  width: 44px;
  height: 44px;
}
.card[data-rank="3"] .rank-badge::before {
  content: '3';
  color: #fff;
  font-weight: 800;
  font-size: 18px;
}
.card[data-rank="3"]::before {
  height: 4px;
  background: linear-gradient(90deg, #CD7F32 0%, #B87333 100%);
}

.card[data-rank="4"] .rank-badge::before,
.card[data-rank="5"] .rank-badge::before,
.card[data-rank="6"] .rank-badge::before,
.card[data-rank="7"] .rank-badge::before,
.card[data-rank="8"] .rank-badge::before {
  color: var(--c-text);
  font-weight: 700;
  font-size: 16px;
}
.card[data-rank="4"] .rank-badge::before { content: '4'; }
.card[data-rank="5"] .rank-badge::before { content: '5'; }
.card[data-rank="6"] .rank-badge::before { content: '6'; }
.card[data-rank="7"] .rank-badge::before { content: '7'; }
.card[data-rank="8"] .rank-badge::before { content: '8'; }

/* Card inner elements */
.card__img {
  width: 100%;
  margin-bottom: 10px;
  margin-top: 8px;
}

.card__img .img {
  width: 100%;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 8px;
  overflow: hidden;
}

.card__img .img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform .3s;
}
.card:hover .card__img .img img {
  transform: scale(1.05);
}

.card__img .title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-top: 0;
  line-height: 1.3;
}

.card__bonus {
  font-size: 12px;
  color: var(--c-text);
  margin: 8px 0 14px;
  padding: 10px 8px;
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-weight: 600;
  line-height: 1.4;
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  word-break: break-word;
}

.card__btn {
  width: 100%;
  margin-top: auto;
}

.card__btn a {
  display: block;
  width: 100%;
  padding: 10px 18px;
  background: var(--c-primary);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .5px;
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 14px var(--c-primary-glow);
}

.card__btn a:hover {
  background: var(--c-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--c-primary-glow);
  color: #fff;
}

/* ===== Tables ===== */
.data-scroll {
  overflow-x: auto;
  margin-bottom: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  -webkit-overflow-scrolling: touch;
}
table {
  border-collapse: collapse;
  width: 100%;
  min-width: 640px;
  font-size: 13px;
}
th, td {
  padding: 10px 12px;
  text-align: center;
  vertical-align: middle;
  border: 1px solid var(--c-border);
  color: var(--c-text);
}
th {
  background: var(--c-table-head);
  font-weight: 600;
  color: #fff;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .4px;
}
tbody tr { transition: background .15s; }
tbody tr:nth-child(even) { background: var(--c-table-stripe); }
tbody tr:hover { background: var(--c-primary-glow); }

/* ===== FAQ ===== */
.qa-grid { margin-top: 14px; }
.qa-grid__card {
  padding: 16px;
  margin-bottom: 10px;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  transition: border-color .2s;
}
.qa-grid__card:hover { border-color: var(--c-primary); }
.qa-grid__card h3 {
  margin: 0 0 6px;
  font-size: 1em;
  color: var(--c-accent);
}
.qa-grid__card p { margin: 0; font-size: 14px; color: var(--c-text-dim); text-align: left; }

/* ===== Content Section ===== */
.content-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
}

.content-block {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  margin-bottom: 24px;
}

.content-block h2 {
  margin-top: 0;
}

.content-block h2::before {
  display: block;
}

.content-block ul {
  list-style: none;
  padding-left: 0;
}

.content-block ul li {
  padding-left: 22px;
  position: relative;
  color: var(--c-text);
  margin-bottom: 8px;
}

.content-block ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--c-success);
  font-weight: bold;
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--c-border);
  margin-top: 40px;
  padding: 24px 0;
}

.site-footer .wr {
  text-align: center;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 18px;
}
.site-footer__links a { color: var(--c-text-faint); font-size: 13px; }
.site-footer__links a:hover { color: var(--c-link); }

.site-footer__disclaimer {
  font-size: 12px;
  color: var(--c-text-faint);
  line-height: 1.6;
  margin-bottom: 10px;
}

.site-footer__updated { font-size: 12px; color: var(--c-text-faint); text-align: center; }

.site-footer__copy {
  font-size: 11px;
  color: var(--c-text-faint);
}

/* ===== Utility ===== */
main { padding-bottom: 20px; }
article { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gap); }

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.card:nth-child(1) { animation-delay: .05s; }
.card:nth-child(2) { animation-delay: .1s; }
.card:nth-child(3) { animation-delay: .15s; }
.card:nth-child(4) { animation-delay: .2s; }
.card:nth-child(5) { animation-delay: .25s; }
.card:nth-child(6) { animation-delay: .3s; }
.card:nth-child(7) { animation-delay: .35s; }
.card:nth-child(8) { animation-delay: .4s; }

/* ================================================================
   TABLET  (min-width: 600px)
   ================================================================ */
@media (min-width: 600px) {
  body { font-size: 16px; }
  h1 { font-size: 1.75em; }
  h2 { font-size: 1.45em; }
  h3 { font-size: 1.15em; }

  .hero-strip__inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .hero-strip__title { font-size: 18px; }

  .cards {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
  }

  .content-block {
    padding: 32px 28px;
  }

  .writer-card {
    flex-direction: row;
    text-align: left;
    gap: 18px;
    align-items: flex-start;
  }
  .writer-card__avatar img { width: 100px; height: 100px; }

  .qa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .qa-grid__card { margin-bottom: 0; }

  .site-footer__links { gap: 18px; }

  table { font-size: 14px; }
}

/* ================================================================
   DESKTOP  (min-width: 960px)
   ================================================================ */
@media (min-width: 960px) {
  :root { --gap: 0px; }
  body { font-size: 17px; }
  h1 { font-size: 2em; }
  h2 { font-size: 1.55em; margin-top: 44px; }

  .site-header .wr { height: 60px; }

  .site-header__hamburger { display: none; }
  .site-header__nav {
    display: flex !important;
    position: static;
    flex-direction: row;
    background: none;
    border: none;
    gap: 2px;
  }
  .site-header__nav li a {
    padding: 8px 14px;
    border-bottom: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
  }
  .site-header__nav li a:hover { background: rgba(255,255,255,.07); }

  .hero-strip { padding: 20px 28px; }
  .hero-strip__title { font-size: 20px; }

  .cards {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .content-block {
    padding: 36px 32px;
  }

  .writer-card { padding: 24px; gap: 22px; }
  .writer-card__avatar img { width: 110px; height: 110px; }

  .contents-nav { padding: 22px 28px; }

  .hero-media {
    margin-bottom: 22px;
    border-radius: var(--radius-lg);
  }

  table { font-size: 15px; min-width: 700px; }
  th, td { padding: 12px 14px; }
}

/* ================================================================
   SMALL MOBILE  (max-width: 480px)
   ================================================================ */
@media (max-width: 480px) {
  .cards {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .card {
    padding: 14px 10px;
  }

  .rank-badge {
    top: -10px;
    right: 10px;
    width: 36px;
    height: 36px;
  }

  .card[data-rank="1"] .rank-badge { width: 40px; height: 40px; }
  .card[data-rank="1"] .rank-badge::before { font-size: 18px; }
  .card[data-rank="2"] .rank-badge { width: 38px; height: 38px; }
  .card[data-rank="2"] .rank-badge::before { font-size: 17px; }
  .card[data-rank="3"] .rank-badge { width: 36px; height: 36px; }
  .card[data-rank="3"] .rank-badge::before { font-size: 16px; }

  .card[data-rank="4"] .rank-badge,
  .card[data-rank="5"] .rank-badge,
  .card[data-rank="6"] .rank-badge,
  .card[data-rank="7"] .rank-badge,
  .card[data-rank="8"] .rank-badge {
    width: 34px;
    height: 34px;
  }
  .card[data-rank="4"] .rank-badge::before,
  .card[data-rank="5"] .rank-badge::before,
  .card[data-rank="6"] .rank-badge::before,
  .card[data-rank="7"] .rank-badge::before,
  .card[data-rank="8"] .rank-badge::before {
    font-size: 14px;
  }

  .card__img .img {
    height: 65px;
    padding: 5px;
  }

  .card__img .title { font-size: 14px; }
  .card__bonus { font-size: 11px; padding: 7px 5px; min-height: 38px; }
  .card__btn a { padding: 9px 14px; font-size: 12px; }

  .content-block {
    padding: 20px 16px;
  }

  .site-header__brand img {
    max-height: 28px;
  }
}