@font-face {
    font-family: "Roboto";
    src: url("fonts/Roboto.woff2") format("woff2");
    font-weight: 100 1000;
    font-style: normal;
    font-display: swap;
}

:root {
  --bg-1: #050505;
  --bg-2: #0b0f1a;
  --ink: #e8e8e8;
  --muted: #a5b1c2;
  --accent: #00b4ff;
  --card: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
  --glow-cyan: rgba(0, 180, 255, 0.55);
  --glow-purple: rgba(255, 60, 255, 0.45);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-strong: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.16);
  --glass-blur: blur(16px);
  --surface-1: rgba(8, 12, 20, 0.72);
  --surface-2: rgba(14, 20, 30, 0.6);
  --shadow-soft: 0 18px 38px rgba(3, 6, 12, 0.55);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Roboto", "Literata", "Iowan Old Style", "Palatino", "Georgia", serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 10% -10%, rgba(0, 160, 255, 0.25) 0%, transparent 60%),
    radial-gradient(900px 700px at 90% -20%, rgba(200, 30, 255, 0.22) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
  line-height: 1.7;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(800px 500px at 25% 20%, rgba(0, 180, 255, 0.18), transparent 60%),
    radial-gradient(700px 500px at 80% 70%, rgba(255, 60, 255, 0.16), transparent 60%);
  z-index: -2;
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.04), transparent 45%, rgba(255, 255, 255, 0.03) 70%, transparent);
  z-index: -1;
  pointer-events: none;
}

header,
main,
footer {
  max-width: 1500px;
  margin: 0 auto;
  padding: clamp(16px, 4vw, 28px);
}

header {
  padding-top: 48px;
  padding-bottom: 12px;
}

.site-header {
  max-width: none;
  padding: 36px 0 16px;
  background:
    radial-gradient(600px 240px at 10% 0%, rgba(0, 180, 255, 0.25), transparent 60%),
    radial-gradient(500px 260px at 90% 0%, rgba(255, 60, 255, 0.25), transparent 65%),
    linear-gradient(180deg, rgba(10, 14, 22, 0.9), rgba(10, 14, 22, 0.25));
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: var(--glass-blur);
}

.site-header-inner {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 32px) 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-header h1 {
  margin: 0;
  font-family: "Roboto", "Oswald", "Trebuchet MS", "Arial", sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.page-title {
  margin: 0 0 1em;
  font-family: "Roboto", "Oswald", "Trebuchet MS", "Arial", sans-serif;
  font-size: clamp(28px, 3.6vw, 42px);
  letter-spacing: 0.01em;
}

.site-header h2,
.site-header h3 {
  margin: 0;
}

.site-header p {
  margin: 0;
  font-size: 16px;
  color: var(--muted);
}

.site-header ul,
.site-header ol {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.site-header li {
  margin: 0;
}

.site-header a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 255, 255, 0.18);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.site-header a:hover {
  border-bottom-color: rgba(255, 255, 255, 0.5);
}

main {
  /*background: var(--surface-1);*/
  /*border: 1px solid var(--glass-border);*/
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  padding: clamp(20px, 4vw, 36px);
  backdrop-filter: var(--glass-blur);
}

main > *:first-child {
  margin-top: 0;
}

main > *:last-child {
  margin-bottom: 0;
}

.hero {
  margin: 0 0 1.6em;
  padding: clamp(20px, 4vw, 32px);
  border-radius: 22px;
  border: 1px solid var(--glass-border);
  background:
    radial-gradient(420px 220px at 10% 10%, rgba(0, 180, 255, 0.18), transparent 70%),
    radial-gradient(440px 240px at 90% 0%, rgba(255, 60, 255, 0.2), transparent 70%),
    var(--surface-2);
  box-shadow:
    0 18px 34px rgba(0, 0, 0, 0.45),
    0 0 20px rgba(0, 180, 255, 0.2);
  backdrop-filter: var(--glass-blur);
}

.hero--normal,
.hero--gallery {
  text-align: center;
  place-items: center;
  display: grid;
}

.hero--normal p,
.hero--gallery p {
  text-align: center;
}

.hero--normal p {
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
}

.hero--image-left,
.hero--image-right {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(16px, 4vw, 28px);
  align-items: center;
  text-align: left;
}

.hero--image-left h1,
.hero--image-right h1 {
  grid-row: 1;
  max-width: none;
  display:ruby;
}

.hero--image-left p,
.hero--image-right p {
  max-width: 46ch;
  grid-row: 2;
}

.hero--image-left h1,
.hero--image-left p { grid-column: 2; }

.hero--image-right p { grid-column: 1; }

.hero--image-left figure,
.hero--image-left .gallery,
.hero--image-right figure,
.hero--image-right .gallery {
  grid-row: 2;
}

.hero--image-left figure,
.hero--image-left .gallery {
  grid-column: 1;
}

.hero--image-right figure,
.hero--image-right .gallery {
  grid-column: 2;
}

.hero--gallery .gallery {
  margin: 0;
}

.hero--gallery p {
  max-width: 100%;
}

.hero h1 {
  margin: 0 0 0.4em;
  font-family: "Roboto", "Oswald", "Trebuchet MS", "Arial", sans-serif;
  font-size: clamp(30px, 4.6vw, 50px);
  letter-spacing: 0.01em;
}

.hero p {
  margin: 0 0 1em;
  color: var(--muted);
  max-width: 60ch;
}

.hero figure {
  margin: 0;
}

.hero img {
  width: 100%;
  display: block;
  border-radius: 18px;
  box-shadow:
    0 16px 26px rgba(0, 0, 0, 0.5),
    0 0 18px rgba(0, 180, 255, 0.2);
}

.hero figcaption {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

.cta-block {
  position: relative;
  margin: 0 0 1.6em;
  padding: var(--cta-padding, 28px);
  border-radius: var(--cta-radius, 22px);
  border: var(--cta-border-width, 1px) solid var(--cta-border-color, var(--glass-border));
  background-color: var(--cta-bg-color, var(--surface-2));
  box-shadow: var(--cta-shadow, 0 18px 40px rgba(0, 0, 0, 0.5));
  overflow: hidden;
  isolation: isolate;
  backdrop-filter: var(--glass-blur);
}

.cta-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--cta-image);
  background-size: cover;
  background-position: var(--cta-image-position, center);
  opacity: var(--cta-image-opacity, 0);
  transform: scale(1.02);
  filter: saturate(1.05);
  z-index: 0;
}

.cta-block::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--cta-overlay), var(--cta-gradient), var(--cta-glow);
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.cta-block[data-font="display"] {
  --cta-font-family: "Roboto", "Oswald", "Trebuchet MS", "Arial", sans-serif;
}

.cta-block[data-font="sans"] {
  --cta-font-family: "Roboto", "Trebuchet MS", "Arial", sans-serif;
}

.cta-block[data-font="serif"] {
  --cta-font-family: "Roboto", "Literata", "Iowan Old Style", "Palatino", "Georgia", serif;
}

.cta-block[data-shadow="none"] { --cta-shadow: none; }
.cta-block[data-shadow="soft"] { --cta-shadow: 0 12px 28px rgba(31, 41, 51, 0.12); }
.cta-block[data-shadow="medium"] { --cta-shadow: 0 18px 40px rgba(28, 44, 64, 0.18); }
.cta-block[data-shadow="hard"] { --cta-shadow: 0 24px 46px rgba(22, 30, 38, 0.24); }

.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(16px, 3vw, 28px);
  align-items: center;
  font-family: var(--cta-font-family, inherit);
}

.cta-block[data-layout="stacked"] .cta-inner {
  grid-template-columns: 1fr;
}

.cta-block[data-layout="split-left"] .cta-inner {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
}

.cta-block[data-layout="split-right"] .cta-inner {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

.cta-block[data-layout="split-right"] .cta-content { order: 2; }
.cta-block[data-layout="split-right"] .cta-side { order: 1; }

.cta-content {
  max-width: 60ch;
}

.cta-block[data-align="center"] .cta-content {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.cta-block[data-align="right"] .cta-content {
  text-align: right;
  margin-left: auto;
}

.cta-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: var(--cta-eyebrow-size, 12px);
  color: var(--cta-eyebrow-color, var(--accent));
  font-weight: 600;
  margin-bottom: 10px;
}

.cta-title {
  margin: 0 0 0.4em;
  font-size: var(--cta-title-size, 42px);
  color: var(--cta-title-color, var(--ink));
  line-height: 1.08;
}

.cta-text {
  margin: 0 0 1.2em;
  font-size: var(--cta-text-size, 16px);
  color: var(--cta-text-color, var(--muted));
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cta-block[data-align="center"] .cta-actions {
  justify-content: center;
}

.cta-block[data-align="right"] .cta-actions {
  justify-content: flex-end;
}

.feature-grid {
  margin: 2em 0;
}

.feature-grid h2 {
  margin: 0 0 1rem;
  font-family: "Roboto", "Oswald", "Trebuchet MS", "Arial", sans-serif;
  letter-spacing: 0.02em;
}

.feature-grid .grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(12px, 2vw, 20px);
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 18px;
  border-radius: 16px;
  text-align: center;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--glass-blur);
}

.feature-item:hover {
  box-shadow:
    0 0 15px var(--glow-cyan),
    0 0 15px var(--glow-purple);
  transform: translateY(-3px);
}

.feature-item .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: none;
  border: none;
}

.feature-item .icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.feature-item .feature-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  font-family: "Roboto", "Oswald", "Trebuchet MS", "Arial", sans-serif;
}

.feature-item p {
  margin: 0;
  font-size: 17px;
  color: #ffffff;
  line-height: 1.5;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: var(--cta-btn-pad-y, 10px) var(--cta-btn-pad-x, 18px);
  border-radius: 999px;
  font-size: var(--cta-btn-font-size, 15px);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--cta-btn-border, rgba(255, 255, 255, 0.25));
  border-bottom: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.35);
}

.cta-btn[data-variant="solid"] {
  background: var(--cta-btn-bg, rgba(0, 180, 255, 0.25));
  color: var(--cta-btn-text, #f1f5f9);
}

.cta-btn[data-variant="outline"] {
  background: transparent;
  color: var(--cta-btn-border, #c7d2fe);
  box-shadow: none;
}

.cta-btn[data-variant="ghost"] {
  background: rgba(255, 255, 255, 0.08);
  color: var(--cta-btn-border, #c7d2fe);
  border-color: transparent;
  box-shadow: none;
}

.cta-btn.secondary {
  border-color: var(--cta-btn-secondary-border, rgba(255, 255, 255, 0.3));
  color: var(--cta-btn-secondary-text, #e2e8f0);
  background: var(--cta-btn-secondary-bg, rgba(255, 255, 255, 0.08));
}

.cta-btn.secondary[data-variant="outline"] {
  background: transparent;
  color: var(--cta-btn-secondary-text, #e2e8f0);
  border-color: var(--cta-btn-secondary-border, rgba(255, 255, 255, 0.35));
  box-shadow: none;
}

.cta-btn.secondary[data-variant="ghost"] {
  background: rgba(255, 255, 255, 0.08);
  color: var(--cta-btn-secondary-text, #e2e8f0);
  border-color: transparent;
  box-shadow: none;
}

.cta-btn:hover {
  transform: translateY(-1px);
  box-shadow:
    0 18px 30px rgba(0, 0, 0, 0.45),
    0 0 16px rgba(0, 180, 255, 0.35);
}

.cta-side {
  position: relative;
  min-height: clamp(160px, 20vw, 240px);
  border-radius: calc(var(--cta-radius, 22px) - 6px);
  background: var(--cta-side-bg, rgba(8, 12, 20, 0.5));
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 0 16px rgba(255, 60, 255, 0.18);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.cta-side::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--cta-side-image);
  background-size: cover;
  background-position: var(--cta-side-image-position, center);
  opacity: var(--cta-side-image-opacity, 0);
  z-index: 0;
}

.cta-side::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.06);
  z-index: 1;
}

.cta-block[data-layout="stacked"] .cta-side {
  display: none;
}

.cta-image-block {
  margin: 0 0 1.4em;
}

.cta-image-link {
  display: block;
  border-bottom: none;
}

.cta-image-media {
  display: block;
  width: 100%;
  max-width: var(--cta-image-width, 420px);
  border-radius: var(--cta-image-radius, 16px);
  border: var(--cta-image-border, 1px) solid var(--cta-image-border-color, rgba(255, 255, 255, 0.2));
  filter: hue-rotate(var(--cta-image-hue, 0deg));
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-image-media-mobile {
  display: none;
}

.cta-image-block[data-size="small"] .cta-image-media { max-width: 240px; }
.cta-image-block[data-size="medium"] .cta-image-media { max-width: 420px; }
.cta-image-block[data-size="large"] .cta-image-media { max-width: 640px; }
.cta-image-block[data-size="full"] .cta-image-media { max-width: 100%; }

.cta-image-block[data-shadow="none"] .cta-image-media { box-shadow: none; }
.cta-image-block[data-shadow="soft"] .cta-image-media { box-shadow: 0 12px 26px rgba(31, 41, 51, 0.16); }
.cta-image-block[data-shadow="medium"] .cta-image-media { box-shadow: 0 18px 34px rgba(31, 41, 51, 0.2); }
.cta-image-block[data-shadow="hard"] .cta-image-media { box-shadow: 0 24px 40px rgba(22, 30, 38, 0.26); }

.cta-image-link:hover .cta-image-media {
  transform: translateY(-2px);
}

.columns--two {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(16px, 4vw, 28px);
  align-items: start;
}

.columns--three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 3vw, 24px);
  align-items: start;
}

@media (max-width: 980px) {
  .feature-grid .grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .columns--two {
    grid-template-columns: minmax(0, 1fr);
  }

  .columns--three {
    grid-template-columns: minmax(0, 1fr);
  }

  .cta-block {
    padding: clamp(18px, 5vw, 28px);
  }

  .cta-inner {
    grid-template-columns: 1fr;
  }

  .cta-block[data-layout="split-left"] .cta-inner,
  .cta-block[data-layout="split-right"] .cta-inner {
    grid-template-columns: 1fr;
  }

  .cta-side {
    display: none;
  }

  .cta-content {
    max-width: none;
  }

  .cta-image-block[data-has-mobile="true"] .cta-image-media {
    display: none;
  }

  .cta-image-block[data-has-mobile="true"] .cta-image-media-mobile {
    display: block;
  }

  .feature-grid .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .hero--image-left,
  .hero--image-right {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero--image-left h1,
  .hero--image-left p,
  .hero--image-right h1,
  .hero--image-right p,
  .hero--image-left figure,
  .hero--image-left .gallery,
  .hero--image-right figure,
  .hero--image-right .gallery {
    grid-column: 1;
    grid-row: auto;
  }
}

h2,
h3,
h4,
h5,
h6 {
  font-family: "Roboto", "Oswald", "Trebuchet MS", "Arial", sans-serif;
  margin: 1.6em 0 0.6em;
  letter-spacing: 0.01em;
}

h2::after {
  content: "";
  display: block;
  margin-top: 8px;
  width: 60px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--glow-cyan), var(--glow-purple));
}

p {
  margin: 0 0 1em;
  font-size: clamp(16px, 2vw, 18px);
}

blockquote {
  margin: 1.4em 0;
  padding: 0.6em 1em;
  border-left: 4px solid var(--accent);
  background: rgba(0, 180, 255, 0.08);
  filter: hue-rotate(var(--blockquote-hue, 0deg));
  font-style: italic;
}

.spacer {
  width: 100%;
}

.spacer[data-size="1"] { height: 8px; }
.spacer[data-size="2"] { height: 16px; }
.spacer[data-size="3"] { height: 24px; }
.spacer[data-size="4"] { height: 36px; }
.spacer[data-size="5"] { height: 48px; }
.spacer[data-size="6"] { height: 64px; }
.spacer[data-size="7"] { height: 80px; }
.spacer[data-size="8"] { height: 96px; }
.spacer[data-size="9"] { height: 120px; }
.spacer[data-size="10"] { height: 144px; }
.spacer[data-size="11"] { height: 180px; }
.spacer[data-size="12"] { height: 220px; }

.faq {
  display: grid;
  gap: 12px;
  margin: 1.8em 0;
}

.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(12, 18, 28, 0.92), rgba(16, 22, 34, 0.88));
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.45);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
  backdrop-filter: var(--glass-blur);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  padding: 14px 54px 14px 18px;
  position: relative;
  color: #e2e8f0;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  height: 26px;
  width: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--accent);
  background: rgba(8, 12, 20, 0.6);
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease;
}

.faq-item[open] {
  transform: translateY(-1px);
  box-shadow:
    0 16px 30px rgba(0, 0, 0, 0.5),
    0 0 18px rgba(0, 180, 255, 0.2);
}

.faq-item[open] summary::after {
  content: '-';
  transform: translateY(-50%) rotate(180deg);
  background: rgba(10, 14, 22, 0.8);
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.faq-answer {
  margin: 0;
  padding: 0 18px 16px;
  color: var(--muted);
  line-height: 1.6;
}

.changelog {
  margin: 1.8em 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  background: linear-gradient(140deg, rgba(12, 18, 28, 0.92), rgba(16, 22, 34, 0.88));
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  backdrop-filter: var(--glass-blur);
}

.changelog summary,
.changelog-title {
  padding: 14px 18px;
  font-weight: 600;
  color: #e2e8f0;
}

.changelog[data-collapsible="true"] summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 54px;
}

.changelog[data-collapsible="true"] summary::-webkit-details-marker {
  display: none;
}

.changelog[data-collapsible="true"] summary::after {
  content: '+';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  height: 26px;
  width: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--accent);
  background: rgba(8, 12, 20, 0.6);
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease;
}

.changelog[data-collapsible="true"][open] summary::after {
  content: '-';
  transform: translateY(-50%) rotate(180deg);
  background: rgba(10, 14, 22, 0.8);
}

.changelog summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.changelog-body {
  padding: 0 18px 16px;
  display: grid;
  gap: 14px;
}

.changelog-entry + .changelog-entry {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 12px;
}

.changelog-date {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.changelog-items {
  margin: 6px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.changelog-items li {
  margin-bottom: 6px;
}

.table-wrap {
  margin: 1.4em 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.content-table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  min-width: 520px;
  --table-highlight: rgba(255, 255, 255, 0.08);
  --table-highlight-text: #e2e8f0;
}

.content-table[data-gaps="true"] {
  border-collapse: separate;
  border-spacing: 10px 0;
}

.content-table th,
.content-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  background: rgba(8, 12, 20, 0.7);
  color: inherit;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.content-table th {
  font-weight: 600;
}

.content-table[data-highlight="row"] thead tr:first-child th {
  background: var(--table-highlight);
  color: var(--table-highlight-text);
}

.content-table[data-highlight="col"] th:first-child,
.content-table[data-highlight="col"] td:first-child {
  background: var(--table-highlight);
  color: var(--table-highlight-text);
}

.content-table[data-equal="true"] {
  table-layout: fixed;
}

.video-wrap {
  position: relative;
  width: 100%;
  padding: 0;
  aspect-ratio: 16 / 9;
  background: #000;
  margin: 0px auto;
}

.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-local {
  width: 100%;
  margin: 1.4em 0;
  background: #000;
}

.video-local video {
  display: block;
  width: 100%;
  height: auto;
  background: #000;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  justify-content: center;
  padding: 16px;
  color: #fff;
  text-align: center;
  background: rgba(0, 0, 0, 0.65);
}

.video-placeholder p {
  margin: 0;
  font-size: 14px;
}

.video-consent-btn {
  background: rgba(255, 255, 255, 0.9);
  color: #0b0f1a;
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  font-weight: 600;
}

.video-wrap.has-iframe .video-placeholder {
  display: none;
}

.video-wrap[data-size="small"] { max-width: 480px; }
.video-wrap[data-size="medium"] { max-width: 640px; }
.video-wrap[data-size="large"] { max-width: 800px; }
.video-local[data-size="small"] { max-width: 480px; }
.video-local[data-size="medium"] { max-width: 640px; }
.video-local[data-size="large"] { max-width: 800px; }

.map-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #0b0f1a;
  margin: 1.4em 0;
}

.map-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.map-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  justify-content: center;
  padding: 16px;
  color: #fff;
  text-align: center;
  background: rgba(0, 0, 0, 0.65);
}

.map-placeholder p {
  margin: 0;
  font-size: 14px;
}

.map-consent-btn {
  background: rgba(255, 255, 255, 0.9);
  color: #0b0f1a;
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  font-weight: 600;
}

.map-wrap.has-iframe .map-placeholder {
  display: none;
}

.map-wrap.is-loading .map-consent-btn {
  opacity: 0.6;
  pointer-events: none;
}

.code-block {
  margin: 1.4em 0;
  padding: 12px 16px;
  background: rgba(8, 12, 20, 0.85);
  color: #e2e8f0;
  border-radius: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 14px;
  line-height: 1.6;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 0 16px rgba(0, 180, 255, 0.2),
    0 0 18px rgba(255, 60, 255, 0.12);
}

.code-block code {
  font-family: "Roboto", "Courier New", monospace;
  white-space: pre;
}

.code-copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  border: 1px solid rgba(226, 232, 240, 0.35);
  background: rgba(15, 23, 42, 0.6);
  color: #e2e8f0;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}

/* Article TOC */
.article-toc {
  margin: 16px 0 24px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(135deg, rgba(8, 12, 20, 0.85), rgba(12, 18, 28, 0.85));
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  backdrop-filter: var(--glass-blur);
}

.article-toc summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-toc summary::-webkit-details-marker {
  display: none;
}

.article-toc summary::before {
  content: "▾";
  font-size: 14px;
  transform: rotate(-90deg);
  transition: transform 160ms ease;
}

.article-toc[open] summary::before {
  transform: rotate(0deg);
}

.article-toc ul {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.article-toc li {
  margin: 6px 0;
}

.article-toc a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.2);
}

.article-toc a:hover {
  border-bottom-style: solid;
}

.article-toc .toc-level-2 { margin-left: 12px; }
.article-toc .toc-level-3 { margin-left: 22px; }
.article-toc .toc-level-4 { margin-left: 32px; }
.article-toc .toc-level-5 { margin-left: 42px; }
.article-toc .toc-level-6 { margin-left: 52px; }

@media (max-width: 700px) {
  .article-toc {
    padding: 12px 14px;
    border-radius: 14px;
    position: fixed;
    right: 14px;
    bottom: 70px;
    width: min(92vw, 360px);
    max-height: 60vh;
    overflow: auto;
    z-index: 40;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }
  .article-toc.is-floating-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .article-toc summary {
    font-size: 15px;
  }
  .article-toc li {
    margin: 4px 0;
  }
  .article-toc a.is-active {
    font-weight: 700;
    border-bottom: none;
    color: #e2e8f0;
    background: rgba(0, 180, 255, 0.15);
    padding: 2px 6px;
    border-radius: 6px;
  }
}

.toc-fab {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: none;
  background: rgba(8, 12, 20, 0.9);
  color: #fff;
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.55),
    0 0 18px rgba(0, 180, 255, 0.35);
  cursor: pointer;
  z-index: 41;
}

.toc-fab::before {
  content: "☰";
  font-size: 18px;
  line-height: 1;
}

.toc-fab.is-open::before {
  content: "✕";
  font-size: 16px;
}

.code-copy-btn:hover {
  background: rgba(15, 23, 42, 0.9);
}

.gallery {
  position: relative;
  margin: 1.4em 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.gallery-viewport {
  flex: 1;
  overflow: hidden;
}

.gallery-slide {
  margin: 0;
  display: none;
}

.gallery-slide.is-active {
  display: block;
}

.gallery-slide img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  display: block;
  box-shadow:
    0 16px 30px rgba(0, 0, 0, 0.55),
    0 0 16px rgba(255, 60, 255, 0.2);
}

.gallery-slide figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.gallery-btn {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(10, 14, 22, 0.8);
  cursor: pointer;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #e2e8f0;
}

.gallery-btn:hover {
  border-color: rgba(255, 255, 255, 0.5);
}

.gallery-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.gallery-slide img {
  cursor: zoom-in;
}

#files .download-btn,
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 180, 255, 0.55), rgba(255, 60, 255, 0.45));
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 10px 18px rgba(0, 0, 0, 0.45),
    0 0 16px rgba(0, 180, 255, 0.3);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  flex-wrap: wrap;
}

.download-btn::after {
  content: 'Download';
  font-size: 12px;
  background: rgba(0, 0, 0, 0.25);
  padding: 4px 8px;
  border-radius: 999px;
}

.download-name {
  font-weight: 700;
}

.download-meta {
  font-size: 12px;
  opacity: 0.85;
}

.download-btn:hover {
  transform: translateY(-1px);
  box-shadow:
    0 16px 24px rgba(0, 0, 0, 0.55),
    0 0 20px rgba(255, 60, 255, 0.35);
  filter: brightness(1.03);
}

.files-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 1.2em 0;
}

.file-download {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(8, 12, 20, 0.6);
  backdrop-filter: var(--glass-blur);
}

.file-desc {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  padding-left: 2px;
}

.audio-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 1.2em 0;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(8, 12, 20, 0.6);
  backdrop-filter: var(--glass-blur);
}

.audio-title {
  font-weight: 700;
}

.audio-meta {
  font-size: 12px;
  color: var(--muted);
}

.audio-block audio {
  width: 100%;
}

#gallery-lightbox {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 999;
}

#gallery-lightbox.open {
  display: block;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
}

.lightbox-content {
  position: relative;
  width: min(96vw, 1280px);
  height: min(90vh, 900px);
  margin: 4vh auto 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
}

.lightbox-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.lightbox-image {
  max-width: 100%;
  max-height: 78vh;
  border-radius: 14px;
  box-shadow:
    0 16px 40px rgba(0, 0, 0, 0.55),
    0 0 20px rgba(0, 180, 255, 0.25);
}

.lightbox-caption {
  color: #fff;
  font-size: 14px;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: none;
  background: rgba(8, 12, 20, 0.9);
  font-size: 20px;
  cursor: pointer;
  color: #e2e8f0;
}

.lightbox-nav {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: none;
  background: rgba(8, 12, 20, 0.9);
  font-size: 22px;
  cursor: pointer;
  color: #e2e8f0;
}

@media (max-width: 720px) {
  .lightbox-content {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    gap: 12px;
    height: min(92vh, 820px);
    margin-top: 4vh;
  }

  .lightbox-image {
    max-height: 82vh;
  }

  .lightbox-nav.prev {
    order: 2;
    justify-self: start;
  }

  .lightbox-nav.next {
    order: 3;
    justify-self: end;
  }
}

.external-consent {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
}

.external-consent button {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(8, 12, 20, 0.75);
  cursor: pointer;
  color: #e2e8f0;
}

.external-consent button:hover {
  border-color: rgba(255, 255, 255, 0.45);
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 180, 255, 0.35);
}

a:hover {
  border-bottom-color: rgba(0, 180, 255, 0.8);
}

ul,
ol {
  padding-left: 1.4em;
  margin: 0 0 1.2em;
}

li {
  margin: 0.4em 0;
}

figure {
  margin: 1.6em 0;
}

img {
  max-width: 100%;
  border-radius: 14px;
  display: block;
  box-shadow:
    0 16px 30px rgba(0, 0, 0, 0.55),
    0 0 16px rgba(0, 180, 255, 0.18);
}

figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

footer {
  color: var(--muted);
  padding-bottom: 40px;
}

.site-footer {
  max-width: none;
  padding: 24px 0 40px;
  margin-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(8, 12, 20, 0.3), rgba(8, 12, 20, 0.85));
}

.site-footer-inner {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.site-footer a:hover {
  border-bottom-color: rgba(255, 255, 255, 0.45);
}

footer hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

.hr-block {
  border: none;
  border-top: 2px solid var(--border);
  margin: 24px 0;
}

.hr-block[data-style="solid"] { border-top-style: solid; }
.hr-block[data-style="dashed"] { border-top-style: dashed; }
.hr-block[data-style="dotted"] { border-top-style: dotted; }
.hr-block[data-style="double"] { border-top-style: double; }

@media (max-width: 720px) {
  header {
    padding-top: 32px;
  }

  .site-header {
    padding-top: 24px;
  }

  main {
    border-radius: 14px;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
  }
}

@media (max-width: 520px) {
  body {
    background:
      radial-gradient(800px 520px at 30% -30%, rgba(0, 180, 255, 0.22) 0%, transparent 60%),
      linear-gradient(180deg, var(--bg-1), var(--bg-2));
  }

  main {
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .feature-grid .grid {
    grid-template-columns: minmax(0, 1fr);
  }
}