:root {
  color-scheme: dark;
  --bg: #07090b;
  --surface: #0d1215;
  --surface-strong: #11181c;
  --line: rgba(203, 221, 232, 0.14);
  --line-strong: rgba(203, 221, 232, 0.25);
  --text: #f4f7f8;
  --muted: #aab5bc;
  --cyan: #4cc9f0;
  --green: #35d58a;
  --gold: #f2c45e;
  --coral: #ff6f6f;
  font-family: "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(rgba(203, 221, 232, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203, 221, 232, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 72px 72px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

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

a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 10px;
  left: 10px;
  padding: 9px 13px;
  transform: translateY(-160%);
  border: 1px solid var(--cyan);
  border-radius: 4px;
  background: var(--bg);
}

.skip-link:focus {
  transform: translateY(0);
}

.guide-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 11, 0.78);
  backdrop-filter: blur(18px) saturate(135%);
}

.guide-header-inner,
.guide-main,
.guide-footer-inner {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.guide-header-inner {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.guide-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
}

.guide-brand img {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(76, 201, 240, 0.24);
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.guide-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.guide-nav a {
  color: #b7c1c7;
  font-size: 13px;
  font-weight: 650;
  transition: color 180ms ease;
}

.guide-nav a:hover {
  color: var(--cyan);
}

.guide-nav .download-link,
.guide-cta .download-link,
.guide-article .download-link {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid #8bdaef;
  border-radius: 5px;
  background: #8bdaef;
  color: #071014;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease;
}

.guide-nav .download-link:hover,
.guide-cta .download-link:hover,
.guide-article .download-link:hover {
  transform: translateY(-2px);
  background: #b8effc;
  color: #071014;
}

.guide-nav .language-link {
  display: inline-flex;
  min-width: 36px;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.guide-main {
  padding: 90px 0 120px;
}

.guide-intro {
  position: relative;
  max-width: 920px;
  padding: 46px 0 54px;
}

.guide-intro::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 22px rgba(76, 201, 240, 0.7);
  content: "";
}

.guide-eyebrow {
  margin: 0 0 17px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.guide-intro h1 {
  max-width: 900px;
  margin: 0;
  font-size: 66px;
  line-height: 0.98;
}

.guide-intro > p:not(.guide-eyebrow) {
  max-width: 790px;
  margin: 24px 0 0;
  color: #bcc6cc;
  font-size: 19px;
  line-height: 1.65;
}

.guide-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.guide-facts span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(13, 18, 21, 0.72);
  color: #c2cdd2;
  font-size: 12px;
  font-weight: 700;
}

.guide-shot {
  position: relative;
  margin: 18px 0 78px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: #050708;
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.36);
}

.guide-shot::after {
  position: absolute;
  top: -10%;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 22px rgba(76, 201, 240, 0.7);
  content: "";
  animation: guideScan 6s ease-in-out infinite;
}

.guide-shot img {
  width: 100%;
  transition: transform 650ms ease, filter 250ms ease;
}

.guide-shot:hover img {
  transform: scale(1.015);
  filter: brightness(1.06);
}

.guide-shot figcaption {
  padding: 14px 17px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  align-items: start;
  gap: 70px;
}

.guide-article {
  min-width: 0;
}

.guide-article section {
  padding: 48px 0;
  border-top: 1px solid var(--line);
}

.guide-article section:first-child {
  padding-top: 0;
  border-top: 0;
}

.guide-article section:last-child {
  padding-bottom: 0;
}

.guide-article h2 {
  margin: 0 0 18px;
  color: var(--text);
  font-size: 30px;
  line-height: 1.15;
}

.guide-article h3 {
  margin: 28px 0 12px;
  font-size: 20px;
}

.guide-article p,
.guide-article li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.guide-article p {
  margin: 0 0 16px;
}

.guide-article strong {
  color: #eef3f5;
}

.guide-article ul,
.guide-article ol {
  margin: 16px 0 0;
  padding-left: 22px;
}

.guide-article li + li {
  margin-top: 8px;
}

.guide-note {
  padding: 16px 18px;
  overflow-wrap: anywhere;
  border: 1px solid rgba(76, 201, 240, 0.26);
  border-left: 3px solid var(--cyan);
  border-radius: 4px;
  background: rgba(76, 201, 240, 0.06);
  color: #c9d7de !important;
}

.guide-note code,
.guide-article code {
  overflow-wrap: anywhere;
  color: #9cdef2;
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
}

.release-entry {
  position: relative;
  padding: 36px 0 36px 30px !important;
}

.release-entry::before {
  position: absolute;
  top: 43px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 7px rgba(53, 213, 138, 0.08), 0 0 18px rgba(53, 213, 138, 0.55);
  content: "";
}

.release-entry time {
  display: block;
  margin-bottom: 7px;
  color: #738087;
  font-size: 11px;
  font-weight: 700;
}

.release-entry h2 {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.release-entry h2 span {
  padding: 4px 7px;
  border: 1px solid rgba(53, 213, 138, 0.3);
  border-radius: 4px;
  color: var(--green);
  font-size: 10px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 42px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.contact-grid article {
  min-height: 220px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(13, 18, 21, 0.72);
}

.contact-grid small {
  color: var(--cyan);
  font-size: 10px;
  font-weight: 800;
}

.contact-grid h2 {
  margin: 15px 0 0;
  font-size: 25px;
}

.contact-grid p {
  margin: 13px 0 0;
  color: var(--muted);
}

.contact-grid a {
  display: inline-flex;
  margin-top: 16px;
  color: var(--cyan);
  font-weight: 700;
}

.guide-table-wrap {
  margin: 24px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.guide-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.guide-table th,
.guide-table td {
  padding: 14px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.guide-table th {
  background: #11171b;
  color: var(--text);
  font-size: 12px;
}

.guide-table td {
  color: var(--muted);
  font-size: 14px;
}

.guide-toc {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 2px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(13, 18, 21, 0.86);
  backdrop-filter: blur(12px);
}

.guide-toc strong {
  margin-bottom: 9px;
  color: #e6edf0;
  font-size: 12px;
}

.guide-toc a {
  padding: 8px 9px;
  border-left: 1px solid var(--line);
  color: #919da3;
  font-size: 12px;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.guide-toc a:hover {
  border-color: var(--cyan);
  background: rgba(76, 201, 240, 0.06);
  color: var(--cyan);
}

.guide-related {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 30px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.guide-related a {
  display: grid;
  gap: 6px;
  min-height: 118px;
  align-content: center;
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(13, 18, 21, 0.7);
  color: #dce4e8;
  font-weight: 700;
  transition: background 180ms ease, transform 180ms ease;
}

.guide-related a:hover {
  background: #121a1f;
  transform: translateY(-3px);
}

.guide-related a span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.guide-index-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 46px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.guide-index-grid a {
  display: flex;
  min-height: 240px;
  flex-direction: column;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(13, 18, 21, 0.75);
  transition: background 180ms ease, transform 180ms ease;
}

.guide-index-grid a:hover {
  z-index: 2;
  background: #121a1f;
  transform: translateY(-5px);
}

.guide-index-grid small {
  color: var(--coral);
  font-size: 10px;
  font-weight: 800;
}

.guide-index-grid strong {
  margin-top: 16px;
  font-size: 23px;
  line-height: 1.15;
}

.guide-index-grid span {
  margin-top: 13px;
  color: var(--muted);
  font-size: 14px;
}

.guide-cta {
  margin-top: 76px;
  padding: 42px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--green);
  border-radius: 5px;
  background: #0c1214;
}

.guide-cta h2 {
  margin: 0;
  font-size: 34px;
}

.guide-cta p {
  max-width: 760px;
  margin: 14px 0 22px;
  color: var(--muted);
}

.guide-footer {
  border-top: 1px solid var(--line);
  background: #060809;
}

.guide-footer-inner {
  display: flex;
  min-height: 104px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  color: #748087;
  font-size: 12px;
}

.guide-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

.guide-footer a:hover {
  color: var(--cyan);
}

.static-reveal {
  opacity: 0;
  transform: translateY(22px);
}

.static-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 650ms ease, transform 650ms ease;
}

@keyframes guideScan {
  0%, 15% { top: -10%; opacity: 0; }
  24% { opacity: 1; }
  78% { opacity: 0.45; }
  88%, 100% { top: 110%; opacity: 0; }
}

@media (max-width: 900px) {
  .guide-header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .guide-nav {
    width: 100%;
    padding-bottom: 2px;
    overflow-x: auto;
  }

  .guide-nav a {
    flex: 0 0 auto;
  }

  .guide-intro h1 {
    font-size: 54px;
  }

  .guide-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .guide-toc {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    order: -1;
  }

  .guide-toc strong {
    grid-column: 1 / -1;
  }

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

@media (max-width: 620px) {
  .guide-header-inner,
  .guide-main,
  .guide-footer-inner {
    width: min(100% - 24px, 520px);
  }

  .guide-main {
    padding: 62px 0 86px;
  }

  .guide-intro {
    padding: 34px 0 38px;
  }

  .guide-intro h1 {
    font-size: 42px;
  }

  .guide-intro > p:not(.guide-eyebrow) {
    font-size: 17px;
  }

  .guide-nav .download-link {
    display: none;
  }

  .guide-shot {
    margin-bottom: 54px;
  }

  .guide-article section {
    padding: 36px 0;
  }

  .guide-article h2 {
    font-size: 26px;
  }

  .contact-grid,
  .guide-related,
  .guide-index-grid {
    grid-template-columns: 1fr;
  }

  .guide-toc {
    grid-template-columns: 1fr;
  }

  .guide-index-grid a {
    min-height: 210px;
  }

  .guide-cta {
    margin-top: 54px;
    padding: 28px 22px;
  }

  .guide-footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 28px 0;
  }

  .guide-footer nav {
    justify-content: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .static-reveal {
    opacity: 1;
    transform: none;
  }
}