/* ============================================================
   Space Theme for MkDocs Material
   NASA Industrial + Cinematic Hybrid
   ============================================================ */

/* --- Dark Mode (Slate) --- */
[data-md-color-scheme="slate"] {
  --md-default-bg-color: #0B0B10;
  --md-default-bg-color--light: #12131A;
  --md-default-bg-color--lighter: #1A1B26;
  --md-default-bg-color--lightest: #222436;

  --md-default-fg-color: rgba(248, 250, 252, 0.87);
  --md-default-fg-color--light: rgba(148, 163, 184, 0.54);
  --md-default-fg-color--lighter: rgba(148, 163, 184, 0.32);
  --md-default-fg-color--lightest: rgba(148, 163, 184, 0.12);

  --md-primary-fg-color: #3B82F6;
  --md-primary-fg-color--light: #60A5FA;
  --md-primary-fg-color--dark: #2563EB;
  --md-primary-bg-color: #E0EAFF;
  --md-primary-bg-color--light: #EFF4FF;

  --md-accent-fg-color: #22D3EE;
  --md-accent-fg-color--transparent: rgba(34, 211, 238, 0.1);
  --md-accent-bg-color: #22D3EE;
  --md-accent-bg-color--light: rgba(34, 211, 238, 0.1);

  --md-code-bg-color: #0D0E18;
  --md-code-fg-color: #E2E8F0;
  --md-code-hl-color: rgba(59, 130, 246, 0.15);

  --md-typeset-a-color: #22D3EE;

  --md-footer-bg-color: rgba(6, 8, 14, 0.85);
  --md-footer-bg-color--dark: rgba(4, 5, 10, 0.9);

  --md-admonition-bg-color: rgba(13, 14, 24, 0.7);
}

/* --- Light Mode (Default) --- */
[data-md-color-scheme="default"] {
  --md-default-bg-color: #F1F5F9;
  --md-default-bg-color--light: #E2E8F0;
  --md-default-bg-color--lighter: #CBD5E1;
  --md-default-bg-color--lightest: #94A3B8;

  --md-default-fg-color: rgba(15, 23, 42, 0.87);
  --md-default-fg-color--light: rgba(71, 85, 105, 0.54);
  --md-default-fg-color--lighter: rgba(71, 85, 105, 0.32);
  --md-default-fg-color--lightest: rgba(71, 85, 105, 0.12);

  --md-primary-fg-color: #2563EB;
  --md-primary-fg-color--light: #3B82F6;
  --md-primary-fg-color--dark: #1D4ED8;
  --md-primary-bg-color: #FFFFFF;
  --md-primary-bg-color--light: #F8FAFC;

  --md-accent-fg-color: #0891B2;
  --md-accent-fg-color--transparent: rgba(8, 145, 178, 0.1);
  --md-accent-bg-color: #0891B2;
  --md-accent-bg-color--light: rgba(8, 145, 178, 0.1);

  --md-code-bg-color: #E8ECF2;
  --md-code-fg-color: #1E293B;
  --md-code-hl-color: rgba(37, 99, 235, 0.1);

  --md-typeset-a-color: #2563EB;

  --md-footer-bg-color: #E2E8F0;
  --md-footer-bg-color--dark: #CBD5E1;

  --md-admonition-bg-color: rgba(255, 255, 255, 0.8);
}

/* ============================================================
   Starfield Background (Dark mode only)
   ============================================================ */
[data-md-color-scheme="slate"] .md-main {
  position: relative;
}

[data-md-color-scheme="slate"] .md-main::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background:
    /* Distant tiny stars — white */
    radial-gradient(1px 1px at 8% 15%, rgba(248, 250, 252, 0.6), transparent),
    radial-gradient(1px 1px at 22% 42%, rgba(248, 250, 252, 0.5), transparent),
    radial-gradient(1px 1px at 37% 8%, rgba(248, 250, 252, 0.4), transparent),
    radial-gradient(1px 1px at 52% 58%, rgba(248, 250, 252, 0.55), transparent),
    radial-gradient(1px 1px at 68% 32%, rgba(248, 250, 252, 0.5), transparent),
    radial-gradient(1px 1px at 83% 72%, rgba(248, 250, 252, 0.4), transparent),
    radial-gradient(1px 1px at 12% 78%, rgba(248, 250, 252, 0.5), transparent),
    radial-gradient(1px 1px at 58% 88%, rgba(248, 250, 252, 0.35), transparent),
    radial-gradient(1px 1px at 91% 12%, rgba(248, 250, 252, 0.55), transparent),
    radial-gradient(1px 1px at 33% 66%, rgba(248, 250, 252, 0.3), transparent),
    radial-gradient(1px 1px at 4% 52%, rgba(248, 250, 252, 0.45), transparent),
    radial-gradient(1px 1px at 46% 28%, rgba(248, 250, 252, 0.4), transparent),
    radial-gradient(1px 1px at 76% 50%, rgba(248, 250, 252, 0.5), transparent),
    radial-gradient(1px 1px at 94% 85%, rgba(248, 250, 252, 0.3), transparent),
    radial-gradient(1px 1px at 16% 93%, rgba(248, 250, 252, 0.4), transparent),
    /* Brighter closer stars */
    radial-gradient(1.5px 1.5px at 28% 12%, rgba(226, 232, 240, 0.75), transparent),
    radial-gradient(1.5px 1.5px at 63% 48%, rgba(226, 232, 240, 0.65), transparent),
    radial-gradient(1.5px 1.5px at 48% 78%, rgba(226, 232, 240, 0.75), transparent),
    radial-gradient(1.5px 1.5px at 80% 22%, rgba(226, 232, 240, 0.65), transparent),
    radial-gradient(1.5px 1.5px at 6% 40%, rgba(226, 232, 240, 0.55), transparent),
    /* Colored accent stars — launch blue & aurora cyan */
    radial-gradient(1.5px 1.5px at 18% 53%, rgba(59, 130, 246, 0.6), transparent),
    radial-gradient(1.5px 1.5px at 73% 17%, rgba(34, 211, 238, 0.5), transparent),
    radial-gradient(1.5px 1.5px at 43% 92%, rgba(59, 130, 246, 0.5), transparent),
    /* Deep space gradient base */
    linear-gradient(
      160deg,
      #0B0B10 0%,
      #0F1225 40%,
      #0B1020 70%,
      #0B0B10 100%
    );
}

/* Twinkling animation — restrained */
[data-md-color-scheme="slate"] .md-main::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(2px 2px at 20% 30%, rgba(248, 250, 252, 0.85), transparent),
    radial-gradient(2px 2px at 56% 70%, rgba(34, 211, 238, 0.7), transparent),
    radial-gradient(2px 2px at 85% 45%, rgba(248, 250, 252, 0.8), transparent),
    radial-gradient(2px 2px at 41% 10%, rgba(59, 130, 246, 0.7), transparent),
    radial-gradient(2px 2px at 70% 89%, rgba(248, 250, 252, 0.75), transparent);
  animation: twinkle 4s ease-in-out infinite alternate;
}

@keyframes twinkle {
  0%   { opacity: 0.5; }
  50%  { opacity: 0.8; }
  100% { opacity: 0.5; }
}

/* ============================================================
   Header - Frosted Glass
   ============================================================ */
[data-md-color-scheme="slate"] .md-header {
  background: rgba(11, 11, 16, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(59, 130, 246, 0.15);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

[data-md-color-scheme="default"] .md-header {
  background: rgba(241, 245, 249, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(37, 99, 235, 0.1);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  color: #0F172A;
}

/* Light mode: fix white-on-white header text */
[data-md-color-scheme="default"] .md-header__title {
  color: #0F172A;
}

[data-md-color-scheme="default"] .md-header__topic {
  color: #0F172A;
}

[data-md-color-scheme="default"] .md-header .md-header__button {
  color: #475569;
}

[data-md-color-scheme="default"] .md-header .md-logo {
  color: #0F172A;
}

[data-md-color-scheme="default"] .md-header .md-search__input::placeholder {
  color: #64748B;
}

[data-md-color-scheme="default"] .md-header__source {
  color: #475569;
}

/* Tabs */
[data-md-color-scheme="slate"] .md-tabs {
  background: rgba(11, 11, 16, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(59, 130, 246, 0.08);
}

[data-md-color-scheme="default"] .md-tabs {
  background: rgba(241, 245, 249, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(37, 99, 235, 0.06);
}

[data-md-color-scheme="default"] .md-tabs__link {
  color: #475569;
}

[data-md-color-scheme="slate"] .md-tabs__link--active,
[data-md-color-scheme="slate"] .md-tabs__link:hover {
  color: #22D3EE;
}

[data-md-color-scheme="default"] .md-tabs__link--active,
[data-md-color-scheme="default"] .md-tabs__link:hover {
  color: #2563EB;
}

/* ============================================================
   Sidebar
   ============================================================ */
[data-md-color-scheme="slate"] .md-sidebar {
  background: transparent;
}

[data-md-color-scheme="slate"] .md-nav__link:hover {
  color: #22D3EE;
}

[data-md-color-scheme="slate"] .md-nav__link--active {
  color: #22D3EE;
  font-weight: 600;
}

[data-md-color-scheme="slate"] .md-nav__item--active > .md-nav__link {
  color: #22D3EE;
}

[data-md-color-scheme="default"] .md-nav__link:hover {
  color: #2563EB;
}

[data-md-color-scheme="default"] .md-nav__link--active {
  color: #2563EB;
  font-weight: 600;
}

[data-md-color-scheme="default"] .md-nav__item--active > .md-nav__link {
  color: #2563EB;
}

/* ============================================================
   Content Area
   ============================================================ */

/* Content container */
[data-md-color-scheme="slate"] .md-content {
  background: rgba(11, 11, 16, 0.4);
  border-radius: 4px;
}

[data-md-color-scheme="default"] .md-content {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 4px;
}

/* Headings — Dark */
[data-md-color-scheme="slate"] .md-typeset h1 {
  color: #F8FAFC;
  text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

[data-md-color-scheme="slate"] .md-typeset h2 {
  color: #E2E8F0;
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(to right, #3B82F6, transparent) 1;
  padding-bottom: 0.3em;
}

[data-md-color-scheme="slate"] .md-typeset h3,
[data-md-color-scheme="slate"] .md-typeset h4 {
  color: #CBD5E1;
}

/* Headings — Light */
[data-md-color-scheme="default"] .md-typeset h1 {
  color: #0F172A;
}

[data-md-color-scheme="default"] .md-typeset h2 {
  color: #1E293B;
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(to right, #2563EB, transparent) 1;
  padding-bottom: 0.3em;
}

[data-md-color-scheme="default"] .md-typeset h3,
[data-md-color-scheme="default"] .md-typeset h4 {
  color: #334155;
}

/* Links — Dark */
[data-md-color-scheme="slate"] .md-typeset a {
  color: #22D3EE;
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}

[data-md-color-scheme="slate"] .md-typeset a:hover {
  color: #67E8F9;
  text-shadow: 0 0 8px rgba(34, 211, 238, 0.4);
}

/* Links — Light */
[data-md-color-scheme="default"] .md-typeset a {
  color: #2563EB;
  text-decoration: none;
  transition: color 0.2s;
}

[data-md-color-scheme="default"] .md-typeset a:hover {
  color: #1D4ED8;
}

/* Code blocks — Dark */
[data-md-color-scheme="slate"] .md-typeset code {
  background: rgba(13, 14, 24, 0.8);
  border: 1px solid rgba(59, 130, 246, 0.15);
  color: #E2E8F0;
}

[data-md-color-scheme="slate"] .md-typeset pre {
  background: rgba(13, 14, 24, 0.9);
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

[data-md-color-scheme="slate"] .md-typeset pre > code {
  background: transparent;
  border: none;
}

/* Code blocks — Light */
[data-md-color-scheme="default"] .md-typeset code {
  background: #E8ECF2;
  border: 1px solid rgba(37, 99, 235, 0.1);
  color: #1E293B;
}

[data-md-color-scheme="default"] .md-typeset pre {
  background: #E8ECF2;
  border: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: 8px;
}

[data-md-color-scheme="default"] .md-typeset pre > code {
  background: transparent;
  border: none;
}

/* ============================================================
   Admonitions - Glass Morphism
   ============================================================ */

/* Dark */
[data-md-color-scheme="slate"] .md-typeset .admonition,
[data-md-color-scheme="slate"] .md-typeset details {
  background: rgba(13, 14, 24, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

[data-md-color-scheme="slate"] .md-typeset .admonition-title,
[data-md-color-scheme="slate"] .md-typeset summary {
  background: rgba(59, 130, 246, 0.08);
  border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

/* Light */
[data-md-color-scheme="default"] .md-typeset .admonition,
[data-md-color-scheme="default"] .md-typeset details {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-md-color-scheme="default"] .md-typeset .admonition-title,
[data-md-color-scheme="default"] .md-typeset summary {
  background: rgba(37, 99, 235, 0.06);
  border-bottom: 1px solid rgba(37, 99, 235, 0.06);
}

/* ============================================================
   Tables
   ============================================================ */

/* Dark */
[data-md-color-scheme="slate"] .md-typeset table:not([class]) {
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 8px;
  overflow: hidden;
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background: rgba(59, 130, 246, 0.12);
  color: #E2E8F0;
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) tr:hover td {
  background: rgba(59, 130, 246, 0.06);
}

/* Light */
[data-md-color-scheme="default"] .md-typeset table:not([class]) {
  border: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: 8px;
  overflow: hidden;
}

[data-md-color-scheme="default"] .md-typeset table:not([class]) th {
  background: rgba(37, 99, 235, 0.08);
  color: #1E293B;
}

[data-md-color-scheme="default"] .md-typeset table:not([class]) tr:hover td {
  background: rgba(37, 99, 235, 0.04);
}

/* ============================================================
   Footer
   ============================================================ */
[data-md-color-scheme="slate"] .md-footer {
  background: rgba(6, 8, 14, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(59, 130, 246, 0.1);
}

[data-md-color-scheme="default"] .md-footer {
  background: #E2E8F0;
  border-top: 1px solid rgba(37, 99, 235, 0.08);
  color: #1E293B;
}

[data-md-color-scheme="default"] .md-footer a {
  color: #2563EB;
}

[data-md-color-scheme="default"] .md-footer__link {
  color: #1E293B;
}

/* ============================================================
   Search
   ============================================================ */
[data-md-color-scheme="slate"] .md-search__form {
  background: rgba(13, 14, 24, 0.8);
  border: 1px solid rgba(59, 130, 246, 0.15);
}

[data-md-color-scheme="slate"] .md-search__form:focus-within {
  border-color: rgba(34, 211, 238, 0.4);
}

[data-md-color-scheme="slate"] .md-search-result__link:hover {
  background: rgba(59, 130, 246, 0.1);
}

[data-md-color-scheme="default"] .md-search__form {
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
}

[data-md-color-scheme="default"] .md-search__form:focus-within {
  border-color: #3B82F6;
}

[data-md-color-scheme="default"] .md-search-result__link:hover {
  background: rgba(37, 99, 235, 0.06);
}

/* ============================================================
   Scrollbar
   ============================================================ */
[data-md-color-scheme="slate"] ::-webkit-scrollbar {
  width: 6px;
}

[data-md-color-scheme="slate"] ::-webkit-scrollbar-track {
  background: rgba(11, 11, 16, 0.5);
}

[data-md-color-scheme="slate"] ::-webkit-scrollbar-thumb {
  background: rgba(59, 130, 246, 0.3);
  border-radius: 3px;
}

[data-md-color-scheme="slate"] ::-webkit-scrollbar-thumb:hover {
  background: rgba(59, 130, 246, 0.5);
}

[data-md-color-scheme="default"] ::-webkit-scrollbar {
  width: 6px;
}

[data-md-color-scheme="default"] ::-webkit-scrollbar-track {
  background: #F1F5F9;
}

[data-md-color-scheme="default"] ::-webkit-scrollbar-thumb {
  background: #94A3B8;
  border-radius: 3px;
}

[data-md-color-scheme="default"] ::-webkit-scrollbar-thumb:hover {
  background: #64748B;
}

/* ============================================================
   Back-to-top Button
   ============================================================ */
[data-md-color-scheme="slate"] .md-top {
  background: rgba(59, 130, 246, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: #22D3EE;
}

[data-md-color-scheme="slate"] .md-top:hover {
  background: rgba(59, 130, 246, 0.35);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.3);
}

[data-md-color-scheme="default"] .md-top {
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.15);
  color: #2563EB;
}

[data-md-color-scheme="default"] .md-top:hover {
  background: rgba(37, 99, 235, 0.2);
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.15);
}

/* ============================================================
   Content Tabs
   ============================================================ */
[data-md-color-scheme="slate"] .md-typeset .tabbed-labels > label {
  color: rgba(226, 232, 240, 0.6);
}

[data-md-color-scheme="slate"] .md-typeset .tabbed-labels > label--active,
[data-md-color-scheme="slate"] .md-typeset .tabbed-labels > label:hover {
  color: #22D3EE;
}

[data-md-color-scheme="default"] .md-typeset .tabbed-labels > label {
  color: rgba(71, 85, 105, 0.6);
}

[data-md-color-scheme="default"] .md-typeset .tabbed-labels > label--active,
[data-md-color-scheme="default"] .md-typeset .tabbed-labels > label:hover {
  color: #2563EB;
}

/* ============================================================
   Reduced Motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  [data-md-color-scheme="slate"] .md-main::after {
    animation: none;
    opacity: 0.6;
  }
}

/* ============================================================
   Homepage Hero (follows official MkDocs Material pattern)
   ============================================================ */
/* Hero container: full-viewport background image */
.mdx-container {
  background-size: cover;
  background-position: center 55%;
  background-repeat: no-repeat;
  overflow: hidden;
}

.mdx-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 6rem);
  padding: 2rem 1.5rem 4rem;
  text-align: center;
  background: linear-gradient(
    to bottom,
    rgba(11, 11, 16, 0.05) 0%,
    rgba(11, 11, 16, 0.2) 50%,
    rgba(11, 11, 16, 0.55) 100%
  );
}

.mdx-hero__content {
  max-width: 36rem;
  color: #F8FAFC;
}

.mdx-hero__content h1 {
  font-family: "Orbitron", "Noto Sans SC", sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: #F8FAFC;
  text-shadow: 0 0 30px rgba(59, 130, 246, 0.35);
  margin-bottom: 0.5rem;
  letter-spacing: 0.03em;
}

.mdx-hero__content p {
  color: rgba(226, 232, 240, 0.85);
  font-size: clamp(1rem, 2vw, 1.15rem);
  margin-bottom: 1.5rem;
}

.mdx-hero__content .md-button {
  border-radius: 6px;
  padding: 0.5rem 1.5rem;
  font-weight: 600;
  margin-right: 0.5rem;
  transition: all 0.3s;
}

.mdx-hero__content .md-button--primary {
  background: #3B82F6;
  border-color: #3B82F6;
  color: #F8FAFC;
}

.mdx-hero__content .md-button--primary:hover {
  background: #2563EB;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.mdx-hero__content .md-button:not(.md-button--primary) {
  color: #F8FAFC;
  border-color: rgba(248, 250, 252, 0.4);
}

.mdx-hero__content .md-button:not(.md-button--primary):hover {
  border-color: #22D3EE;
  color: #22D3EE;
}

/* ============================================================
   Homepage Feature Cards
   ============================================================ */

/* Thin gradient transition from hero image into dark content */
.home-hero-fade {
  height: 6rem;
  background: linear-gradient(to bottom, transparent, #0B0B10);
  margin-top: -6rem;
  position: relative;
  z-index: 1;
  pointer-events: none;
}

/* Wrapper forces dark scheme for entire homepage below hero */
.home-features-wrap {
  background: #0B0B10;
  color: rgba(248, 250, 252, 0.87);
}

.home-features {
  position: relative;
  padding: 4rem 0 5rem;
}

.home-features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 960px) {
  .home-features__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .home-features__grid { grid-template-columns: 1fr; }
}

.home-feature {
  padding: 2rem;
  border-radius: 12px;
  background: rgba(18, 19, 26, 0.7);
  border: 1px solid rgba(59, 130, 246, 0.08);
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
              border-color 0.4s,
              background 0.4s;
}

.home-feature:hover {
  transform: translateY(-8px);
  background: rgba(26, 28, 46, 0.85);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow:
    0 14px 44px rgba(59, 130, 246, 0.2),
    0 0 20px rgba(59, 130, 246, 0.08),
    inset 0 1px 0 rgba(248, 250, 252, 0.06);
}

/* Icon floats up + glow on hover */
.home-feature:hover .home-feature__icon {
  transform: translateY(-4px) scale(1.1);
  filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.5));
  color: #60A5FA;
}

/* Title brightens on hover */
.home-feature:hover .home-feature__title {
  color: #FFFFFF;
}

/* Link arrow slides right on hover */
.home-feature:hover .home-feature__link {
  color: #22D3EE;
  letter-spacing: 0.03em;
}

.home-feature__icon {
  margin-bottom: 1rem;
  color: #3B82F6;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.4s;
}

.home-feature__title {
  font-family: "Noto Sans SC", sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #F8FAFC;
  transition: color 0.3s;
}

.home-feature__desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(148, 163, 184, 0.8);
  margin-bottom: 1rem;
}

.home-feature__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #3B82F6;
  text-decoration: none;
  transition: color 0.3s, letter-spacing 0.3s;
}

.home-feature__link:hover {
  color: #22D3EE;
}

/* ============================================================
   Homepage About Section
   ============================================================ */
.home-about {
  padding: 4rem 0 5rem;
  text-align: center;
}

.home-about {
  background: linear-gradient(180deg, #0B0B10 0%, rgba(6, 8, 14, 1) 100%);
}

.home-about__inner {
  max-width: 640px;
  margin: 0 auto;
}

.home-about__title {
  font-family: "Orbitron", "Noto Sans SC", sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #F8FAFC;
}

.home-about__text {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(148, 163, 184, 0.8);
  margin-bottom: 2rem;
}

.home-about .md-button {
  border-radius: 6px;
  padding: 0.5rem 1.5rem;
  font-weight: 500;
  border: 2px solid rgba(59, 130, 246, 0.3);
  color: #3B82F6;
  transition: all 0.3s;
}

.home-about .md-button:hover {
  border-color: #3B82F6;
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.2);
}

/* ============================================================
   Scroll-triggered Animations
   ============================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(40px) scale(0.96);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

/* Hover must win over is-visible — higher specificity */
.home-feature.is-visible:hover {
  transform: translateY(-8px);
}

/* Stagger cards */
.home-feature:nth-child(1)[data-animate] { transition-delay: 0s; }
.home-feature:nth-child(2)[data-animate] { transition-delay: 0.12s; }
.home-feature:nth-child(3)[data-animate] { transition-delay: 0.24s; }
.home-feature:nth-child(4)[data-animate] { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}