:root {
  color-scheme: dark;
  --ink: #eef7f1;
  --muted: #9aac9f;
  --soft: #73857b;
  --line: rgba(199, 238, 216, 0.14);
  --panel: rgba(10, 16, 14, 0.86);
  --panel-strong: #0b1210;
  --panel-soft: rgba(255, 255, 255, 0.045);
  --canvas: #050807;
  --green: #3ecf8e;
  --green-ink: #03100b;
  --green-soft: rgba(62, 207, 142, 0.12);
  --blue: #67a6ff;
  --blue-soft: rgba(103, 166, 255, 0.12);
  --red: #ff6b5f;
  --amber: #f3b95f;
  --radius: 8px;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --ink: #111821;
  --muted: #56645e;
  --soft: #718078;
  --line: rgba(17, 24, 39, 0.12);
  --panel: rgba(255, 255, 255, 0.92);
  --panel-strong: #ffffff;
  --panel-soft: rgba(17, 24, 39, 0.035);
  --canvas: #f4f8f6;
  --green: #12875c;
  --green-ink: #ffffff;
  --green-soft: rgba(18, 135, 92, 0.1);
  --blue: #1f6feb;
  --blue-soft: rgba(31, 111, 235, 0.1);
  --red: #d92d20;
  --amber: #a75d1e;
  --shadow: 0 28px 90px rgba(26, 36, 48, 0.14);
}

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

html,
body {
  min-height: 100%;
  max-width: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(180deg, rgba(62, 207, 142, 0.11), transparent 260px),
    linear-gradient(180deg, #070d0b 0%, var(--canvas) 58%, #070d0b 100%);
  color: var(--ink);
}

:root[data-theme="light"] body {
  background: linear-gradient(180deg, #fbfefd 0%, #f4f8f6 58%, #edf4f1 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image:
    linear-gradient(rgba(199, 238, 216, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199, 238, 216, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
  pointer-events: none;
}

:root[data-theme="light"] body::before {
  display: none;
}

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

button,
input {
  max-width: 100%;
  font: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.support-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(190px, auto) minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  min-height: 68px;
  border-bottom: 1px solid var(--line);
  padding: 12px clamp(18px, 5vw, 72px);
  background: rgba(5, 8, 7, 0.78);
  backdrop-filter: blur(18px);
}

:root[data-theme="light"] .support-topbar {
  background: rgba(255, 255, 255, 0.82);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: block;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  overflow: hidden;
  border: 1px solid rgba(62, 207, 142, 0.34);
  border-radius: var(--radius);
  background: #050807;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand strong,
.brand small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand strong {
  font-size: 15px;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 740;
}

.top-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.top-links a,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--ink);
  font-size: 13px;
  font-weight: 850;
  white-space: nowrap;
}

:root[data-theme="light"] .top-links a,
:root[data-theme="light"] .button {
  background: rgba(255, 255, 255, 0.74);
}

.top-links a:hover,
.top-links a:focus-visible,
.button:hover,
.button:focus-visible,
.quick-card:hover,
.quick-card:focus-visible {
  border-color: rgba(62, 207, 142, 0.42);
  outline: 0;
}

.top-links .primary-link,
.button.primary {
  border-color: rgba(62, 207, 142, 0.68);
  background: var(--green);
  color: var(--green-ink);
  box-shadow: 0 0 28px rgba(62, 207, 142, 0.22);
}

.theme-button {
  width: 38px;
  min-width: 38px;
  padding: 0;
}

.theme-button svg {
  width: 18px;
  height: 18px;
}

.theme-button[aria-pressed="true"] {
  border-color: rgba(62, 207, 142, 0.38);
  background: rgba(62, 207, 142, 0.1);
  color: var(--green);
}

main {
  display: grid;
  gap: 18px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 56px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.5fr);
  gap: 28px;
  align-items: end;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px;
  background:
    linear-gradient(135deg, rgba(62, 207, 142, 0.07), transparent 42%),
    var(--panel);
  box-shadow: var(--shadow);
}

.hero::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--green), var(--blue), var(--red));
}

.hero > * {
  position: relative;
  min-width: 0;
}

.eyebrow {
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin-top: 10px;
  font-size: 58px;
  line-height: 0.98;
}

.hero p {
  max-width: 720px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 20px;
  font-weight: 640;
  line-height: 1.5;
}

.support-search {
  display: grid;
  gap: 8px;
}

.support-search span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.support-search input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 14px;
  background: var(--panel-soft);
  color: var(--ink);
  font-size: 15px;
  font-weight: 760;
  outline: 0;
}

.support-search input::placeholder {
  color: color-mix(in srgb, var(--muted) 72%, transparent);
}

.support-search input:focus {
  border-color: rgba(62, 207, 142, 0.62);
  box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.12);
}

.quick-grid,
.video-grid,
.help-grid {
  display: grid;
  gap: 12px;
}

.quick-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.quick-card,
.support-section,
.video-card,
.help-grid article {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
}

.quick-card {
  display: grid;
  gap: 9px;
  padding: 18px;
}

.quick-card small {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.quick-card strong {
  font-size: 19px;
  line-height: 1.1;
}

.quick-card span,
.video-card p,
.help-grid p,
.section-heading p,
.contact-card li {
  color: var(--muted);
  font-size: 14px;
  font-weight: 680;
  line-height: 1.48;
}

.support-section {
  display: grid;
  gap: 16px;
  padding: 22px;
}

.section-heading {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.section-heading > span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(62, 207, 142, 0.26);
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 12px;
  font-weight: 950;
}

.section-heading div {
  min-width: 0;
}

h2 {
  font-size: 28px;
  line-height: 1.1;
}

.checklist {
  display: grid;
  gap: 8px;
}

.checklist label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--panel-soft);
  color: var(--ink);
  font-size: 14px;
  font-weight: 760;
  line-height: 1.36;
}

.checklist input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--green);
}

.video-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
  gap: 16px;
  align-items: center;
  border: 1px solid rgba(103, 166, 255, 0.2);
  border-radius: var(--radius);
  padding: 14px;
  background:
    linear-gradient(135deg, var(--blue-soft), var(--green-soft)),
    var(--panel-soft);
}

.video-feature video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #050807;
}

.video-feature h3 {
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.12;
}

.video-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.video-card {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.video-frame {
  display: grid;
  min-height: 126px;
  align-content: center;
  gap: 9px;
  border: 1px solid rgba(62, 207, 142, 0.24);
  border-radius: var(--radius);
  padding: 14px;
  background:
    linear-gradient(135deg, var(--green-soft), var(--blue-soft)),
    var(--panel-soft);
}

.video-frame span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 999px;
  background: var(--green);
  color: var(--green-ink);
  font-size: 12px;
  font-weight: 900;
}

.video-frame strong {
  font-size: 20px;
  line-height: 1;
}

.video-card h3,
.help-grid h3,
.contact-card h3 {
  font-size: 17px;
  line-height: 1.2;
}

details {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

summary {
  cursor: pointer;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

details ol {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 680;
  line-height: 1.45;
}

.faq-list {
  display: grid;
  gap: 8px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  background: var(--panel-soft);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  color: var(--ink);
  font-size: 15px;
}

.faq-list summary::after {
  flex: 0 0 auto;
  content: "+";
  color: var(--green);
  font-size: 18px;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  border-top: 1px solid var(--line);
  padding: 0 14px 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 680;
  line-height: 1.48;
}

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

.help-grid article {
  display: grid;
  gap: 8px;
  padding: 16px;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
  border: 1px solid rgba(62, 207, 142, 0.26);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--green-soft);
}

.contact-card ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.is-hidden-by-search {
  display: none !important;
}

.support-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding: 22px clamp(18px, 5vw, 72px);
  color: var(--muted);
  font-size: 13px;
}

.support-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.support-footer a {
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 1120px) {
  .quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 900px) {
  .support-topbar {
    align-items: start;
    grid-template-columns: 1fr;
    padding: 12px 18px;
  }

  .top-links {
    justify-content: stretch;
  }

  .hero,
  .video-feature,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 26px;
  }

  h1 {
    font-size: 48px;
  }

  .hero p {
    font-size: 18px;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .support-topbar {
    position: static;
    gap: 12px;
    padding: 12px;
  }

  .brand small {
    display: none;
  }

  .top-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr)) 42px;
    gap: 6px;
  }

  .top-links a,
  .button {
    min-height: 36px;
    padding: 0 8px;
    font-size: 12px;
  }

  .theme-button {
    width: 42px;
    min-width: 42px;
  }

  .top-links .primary-link {
    grid-column: 1 / -1;
    min-height: 42px;
    font-size: 14px;
  }

  main {
    width: min(100% - 20px, 1180px);
    gap: 14px;
    padding: 14px 0 30px;
  }

  .support-footer {
    display: grid;
    padding: 18px 12px;
  }

  .hero,
  .support-section {
    padding: 16px;
  }

  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 23px;
  }

  .hero p {
    font-size: 16px;
  }

  .quick-grid,
  .video-grid,
  .help-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
  }

  .section-heading > span {
    width: 32px;
    height: 32px;
  }
}

@media (max-width: 360px) {
  .top-links {
    grid-template-columns: repeat(2, minmax(0, 1fr)) 42px;
  }

  .top-links a[href="#contact"] {
    grid-column: 1 / 3;
  }

  h1 {
    font-size: 34px;
  }
}