/* ================================================================
   SUBNET CALCULATOR DOCS — CUSTOM THEME
   Space Grotesk (headings) · Plus Jakarta Sans (body) · Fira Code (mono)
   Primary accent: #06d6a0 electric teal
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600&display=swap');

/* ----------------------------------------------------------------
   Custom colour tokens
   ---------------------------------------------------------------- */
:root {
  --sc-teal:        #06d6a0;
  --sc-teal-dim:    rgb(6 214 160 / 10%);
  --sc-teal-border: rgb(6 214 160 / 28%);
  --sc-navy:        #0d1117;
  --sc-surface:     #161b22;
  --sc-border:      #21262d;
  --sc-text:        #e6edf3;
  --sc-muted:       #8b949e;
  --sc-faint:       #6e7681;
}

/* ----------------------------------------------------------------
   Dark scheme overrides
   ---------------------------------------------------------------- */
[data-md-color-scheme="slate"] {
  --md-default-bg-color:           var(--sc-navy);
  --md-default-fg-color:           var(--sc-text);
  --md-default-fg-color--light:    var(--sc-muted);
  --md-default-fg-color--lighter:  var(--sc-faint);
  --md-default-fg-color--lightest: #30363d;

  --md-code-bg-color:  var(--sc-surface);
  --md-code-fg-color:  #c9d1d9;

  --md-typeset-a-color: var(--sc-teal);

  --md-primary-fg-color:        var(--sc-teal);
  --md-primary-fg-color--light: #4dffd8;
  --md-primary-fg-color--dark:  #04b389;
  --md-primary-bg-color:        var(--sc-navy);
  --md-primary-bg-color--light: var(--sc-teal-dim);

  --md-accent-fg-color: var(--sc-teal);

  --md-admonition-bg-color: var(--sc-surface);

  --md-footer-bg-color:       #0a0f16;
  --md-footer-bg-color--dark: #070c12;
  --md-footer-fg-color:       var(--sc-muted);
}

/* ----------------------------------------------------------------
   Light scheme overrides
   ---------------------------------------------------------------- */
[data-md-color-scheme="default"] {
  --md-primary-fg-color:        #065f46;
  --md-primary-fg-color--light: #047857;
  --md-primary-fg-color--dark:  #064e3b;
  --md-primary-bg-color:        #ffffff;
  --md-accent-fg-color:         #06d6a0;
  --md-typeset-a-color:         #065f46;
}

/* ================================================================
   GLOBAL TYPOGRAPHY
   ================================================================ */

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.md-typeset h1 {
  font-weight: 800;
  font-size: 2rem;
  line-height: 1.15;
}

.md-typeset h2 {
  font-size: 1.35rem;
  margin-top: 2.25rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--sc-border);
}

[data-md-color-scheme="default"] .md-typeset h2 {
  border-bottom-color: #e5e7eb;
}

/* Inline code */
[data-md-color-scheme="slate"] .md-typeset code:not(pre code) {
  background: rgb(110 118 129 / 12%);
  color: var(--sc-teal);
  border-radius: 4px;
  padding: .1em .4em;
  font-size: .85em;
}

/* ================================================================
   HEADER & TABS
   ================================================================ */

.md-header {
  background: #0a0f16;
  border-bottom: 1px solid var(--sc-border);
  box-shadow: none;
}

[data-md-color-scheme="default"] .md-header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: none;
}

.md-header__title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.md-tabs {
  background: #0a0f16;
  border-bottom: 1px solid var(--sc-border);
}

[data-md-color-scheme="default"] .md-tabs {
  background: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
}

[data-md-color-scheme="slate"] .md-tabs__link {
  color: var(--sc-muted);
  opacity: 1;
}

.md-tabs__link--active,
.md-tabs__link:hover {
  color: var(--sc-teal) !important;
  opacity: 1 !important;
}

[data-md-color-scheme="default"] .md-tabs__link {
  color: #374151;
  opacity: 1;
}

[data-md-color-scheme="default"] .md-tabs__link--active,
[data-md-color-scheme="default"] .md-tabs__link:hover {
  color: #065f46 !important;
}

[data-md-color-scheme="default"] .md-header .md-header__title,
[data-md-color-scheme="default"] .md-header .md-ellipsis {
  color: #111827;
}

/* ================================================================
   SIDEBAR NAVIGATION
   ================================================================ */

[data-md-color-scheme="slate"] .md-nav__link {
  color: var(--sc-muted);
  transition: color .15s;
}

[data-md-color-scheme="slate"] .md-nav__link:hover,
[data-md-color-scheme="slate"] .md-nav__link:focus {
  color: var(--sc-text);
}

[data-md-color-scheme="slate"] .md-nav__link--active {
  color: var(--sc-teal);
  font-weight: 600;
}

[data-md-color-scheme="slate"] .md-nav__title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--sc-faint);
}

[data-md-color-scheme="slate"] .md-sidebar {
  background: var(--sc-navy);
  border-right: 1px solid var(--sc-border);
}

/* ================================================================
   CODE BLOCKS
   ================================================================ */

[data-md-color-scheme="slate"] .md-typeset pre {
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: 8px;
}

[data-md-color-scheme="slate"] .md-typeset pre > code {
  background: transparent;
}

[data-md-color-scheme="slate"] .highlight .filename {
  background: #0d1117;
  border-bottom: 1px solid var(--sc-border);
  color: var(--sc-faint);
  font-size: .75rem;
  border-radius: 8px 8px 0 0;
}

/* ================================================================
   ADMONITIONS
   ================================================================ */

[data-md-color-scheme="slate"] .md-typeset .admonition,
[data-md-color-scheme="slate"] .md-typeset details {
  background: var(--sc-surface);
  border-color: var(--sc-border);
  border-radius: 8px;
}

[data-md-color-scheme="slate"] .md-typeset .note > .admonition-title,
[data-md-color-scheme="slate"] .md-typeset .info > .admonition-title,
[data-md-color-scheme="slate"] .md-typeset .tip > .admonition-title {
  background: var(--sc-teal-dim);
}

/* ================================================================
   TABLES
   ================================================================ */

[data-md-color-scheme="slate"] .md-typeset table:not([class]) {
  border: 1px solid var(--sc-border);
  border-radius: 8px;
  overflow: hidden;
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background: var(--sc-surface);
  color: var(--sc-text);
  font-family: 'Space Grotesk', sans-serif;
  font-size: .75rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--sc-border);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) td {
  border-bottom: 1px solid #1c2128;
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) tr:last-child td {
  border-bottom: none;
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) tr:hover td {
  background: rgb(6 214 160 / 3%);
}

/* ================================================================
   SEARCH
   ================================================================ */

[data-md-color-scheme="slate"] .md-search__form {
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: 8px;
}

[data-md-color-scheme="slate"] .md-search__input {
  color: var(--sc-text);
}

[data-md-color-scheme="slate"] .md-search__input::placeholder {
  color: var(--sc-faint);
}

/* ================================================================
   FOOTER
   ================================================================ */

[data-md-color-scheme="slate"] .md-footer {
  background: #0a0f16;
  border-top: 1px solid var(--sc-border);
}

/* ================================================================
   SCROLLBAR
   ================================================================ */

[data-md-color-scheme="slate"] ::-webkit-scrollbar       { width: 5px; height: 5px; }
[data-md-color-scheme="slate"] ::-webkit-scrollbar-track  { background: var(--sc-navy); }
[data-md-color-scheme="slate"] ::-webkit-scrollbar-thumb  { background: #30363d; border-radius: 3px; }
[data-md-color-scheme="slate"] ::-webkit-scrollbar-thumb:hover { background: var(--sc-faint); }

/* ================================================================
   HOMEPAGE — HERO
   ================================================================ */

.sc-hero {
  position: relative;
  padding: 4rem 2rem 4rem;
  text-align: center;
  overflow: hidden;
  background: var(--sc-navy);
  border-bottom: 1px solid var(--sc-border);
}

/* Scrolling grid */
.sc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgb(6 214 160 / 5.5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(6 214 160 / 5.5%) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 85% at 50% 0%, black 20%, transparent 100%);
  animation: sc-grid 24s linear infinite;
}

@keyframes sc-grid {
  from { background-position: 0 0; }
  to   { background-position: 48px 48px; }
}

/* Radial glow behind title */
.sc-hero::after {
  content: '';
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 55%;
  height: 50%;
  background: radial-gradient(ellipse, rgb(6 214 160 / 10%) 0%, transparent 65%);
  pointer-events: none;
}

.sc-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
}

/* Version badge */
.sc-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: var(--sc-teal-dim);
  border: 1px solid var(--sc-teal-border);
  color: var(--sc-teal);
  font-family: 'Fira Code', 'JetBrains Mono', monospace;
  font-size: .72rem;
  padding: .28rem .8rem;
  border-radius: 999px;
  margin-bottom: 1.75rem;
  animation: sc-fade-in .4s ease both;
  letter-spacing: .03em;
}

.sc-badge__dot {
  width: 6px;
  height: 6px;
  background: var(--sc-teal);
  border-radius: 50%;
  flex-shrink: 0;
  animation: sc-pulse 2.4s ease infinite;
}

@keyframes sc-pulse {
  0%, 100% { opacity: 1;  transform: scale(1); }
  50%       { opacity: .4; transform: scale(.75); }
}

/* Main title */
.sc-hero__title {
  font-family: 'Space Grotesk', sans-serif !important;
  font-size: clamp(2.6rem, 6vw, 4.2rem) !important;
  font-weight: 700 !important;
  letter-spacing: -0.03em !important;
  line-height: 1.05 !important;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
  color: var(--sc-text) !important;
  margin: 0 0 1.4rem !important;
  padding: 0 !important;
  border: none !important;
  animation: sc-fade-up .5s ease .08s both;
}

.sc-hero__title em {
  font-style: normal;
  color: var(--sc-teal);
}

/* Tagline */
.sc-hero__tagline {
  font-size: 1.05rem;
  color: var(--sc-muted);
  max-width: 600px;
  margin: 0 auto 2.75rem;
  line-height: 1.65;
  text-wrap: balance;
  animation: sc-fade-up .5s ease .18s both;
}

/* CTA row */
.sc-hero__actions {
  display: flex;
  gap: .75rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: sc-fade-up .5s ease .28s both;
}

/* Tech pills */
.sc-hero__pills {
  display: flex;
  gap: .6rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  animation: sc-fade-up .5s ease .38s both;
}

.sc-pill {
  background: rgb(255 255 255 / 4%);
  border: 1px solid var(--sc-border);
  color: var(--sc-faint);
  font-family: 'Fira Code', monospace;
  font-size: .72rem;
  padding: .28rem .8rem;
  border-radius: 999px;
  letter-spacing: .02em;
}

/* ================================================================
   BUTTONS
   ================================================================ */

.sc-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .72rem 1.6rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: .875rem;
  text-decoration: none !important;
  transition: all .15s ease;
  letter-spacing: -.01em;
  line-height: 1;
}

.sc-btn--primary {
  background: var(--sc-teal);
  color: #0a1a12 !important;
}

.sc-btn--primary:hover {
  background: #4dffd8;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgb(6 214 160 / 30%);
}

.sc-btn--ghost {
  background: transparent;
  color: var(--sc-text) !important;
  border: 1px solid #30363d;
}

.sc-btn--ghost:hover {
  border-color: var(--sc-teal-border);
  color: var(--sc-teal) !important;
  transform: translateY(-1px);
}

/* ================================================================
   HOMEPAGE — FEATURE SECTION
   ================================================================ */

.sc-features {
  padding: 5.5rem 2rem;
  max-width: 1160px;
  margin: 0 auto;
}

.sc-section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sc-teal);
  margin: 0 0 .6rem;
}

.sc-section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.035em;
  color: var(--sc-text);
  margin: 0 0 3rem;
  line-height: 1.12;
}

.sc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.1rem;
}

.sc-card {
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: 12px;
  padding: 1.75rem;
  transition: border-color .15s, transform .15s, box-shadow .15s;
  text-decoration: none !important;
  color: inherit;
  display: block;
  position: relative;
  overflow: hidden;
}

.sc-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 10% 0%, rgb(6 214 160 / 7%), transparent);
  opacity: 0;
  transition: opacity .2s;
}

.sc-card:hover {
  border-color: var(--sc-teal-border);
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgb(0 0 0 / 35%);
}

.sc-card:hover::before {
  opacity: 1;
}

.sc-card__icon {
  display: block;
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: 1rem;
  color: var(--sc-teal);
  position: relative;
}

.sc-card__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.sc-card__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--sc-text);
  margin: 0 0 .5rem;
  position: relative;
}

.sc-card__desc {
  font-size: .865rem;
  color: var(--sc-muted);
  line-height: 1.55;
  margin: 0;
  position: relative;
}

.sc-card__cta {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: .78rem;
  color: var(--sc-teal);
  font-family: 'Fira Code', monospace;
  opacity: 0;
  transform: translateX(-6px);
  transition: all .15s;
  position: relative;
}

.sc-card:hover .sc-card__cta {
  opacity: 1;
  transform: translateX(0);
}

/* ================================================================
   HOMEPAGE — QUICK-START
   ================================================================ */

.sc-quickstart {
  background: var(--sc-navy);
  border-top: 1px solid var(--sc-border);
  border-bottom: 1px solid var(--sc-border);
  padding: 5rem 2rem;
}

.sc-quickstart__inner {
  max-width: 760px;
  margin: 0 auto;
}

.sc-terminal {
  background: #080d13;
  border: 1px solid var(--sc-border);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 2rem;
  font-family: 'Fira Code', 'JetBrains Mono', monospace;
  font-size: .82rem;
}

.sc-terminal__bar {
  background: var(--sc-surface);
  border-bottom: 1px solid var(--sc-border);
  padding: .6rem 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.sc-terminal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.sc-terminal__dot:nth-child(1) { background: #ff5f57; }
.sc-terminal__dot:nth-child(2) { background: #febc2e; }
.sc-terminal__dot:nth-child(3) { background: #28c840; }

.sc-terminal__label {
  font-size: .7rem;
  color: var(--sc-faint);
  margin-left: auto;
  letter-spacing: .04em;
}

.sc-terminal__body {
  padding: 1.25rem 1.5rem;
  line-height: 2;
  color: #c9d1d9;
}

.sc-terminal__body .prompt { color: var(--sc-teal); user-select: none; }
.sc-terminal__body .comment { color: var(--sc-faint); font-style: italic; }
.sc-terminal__body .cmd { color: #c9d1d9; }
.sc-terminal__body .flag { color: #79c0ff; }
.sc-terminal__body .path { color: #ffa657; }
.sc-terminal__body br + br { display: none; }

.sc-quickstart__links {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* ================================================================
   LIGHT-MODE HOMEPAGE OVERRIDES
   ================================================================ */

[data-md-color-scheme="default"] .sc-hero {
  background: #f8fafc;
  border-bottom-color: #e2e8f0;
}

[data-md-color-scheme="default"] .sc-hero::before {
  background-image:
    linear-gradient(rgb(6 214 160 / 8%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(6 214 160 / 8%) 1px, transparent 1px);
}

[data-md-color-scheme="default"] .sc-hero::after {
  background: radial-gradient(ellipse, rgb(6 196 148 / 8%) 0%, transparent 65%);
}

[data-md-color-scheme="default"] .sc-hero__title { color: #0f172a !important; }
[data-md-color-scheme="default"] .sc-hero__tagline { color: #64748b; }

[data-md-color-scheme="default"] .sc-badge {
  background: rgb(6 196 148 / 10%);
  border-color: rgb(6 196 148 / 30%);
  color: #065f46;
}

[data-md-color-scheme="default"] .sc-badge__dot { background: #065f46; }
[data-md-color-scheme="default"] .sc-hero__title em { color: #06b789; }

[data-md-color-scheme="default"] .sc-pill {
  background: rgb(0 0 0 / 4%);
  border-color: #d1d5db;
  color: #6b7280;
}

[data-md-color-scheme="default"] .sc-btn--primary {
  background: #065f46;
  color: #ffffff !important;
}

[data-md-color-scheme="default"] .sc-btn--primary:hover { background: #047857; }

[data-md-color-scheme="default"] .sc-btn--ghost {
  border-color: #d1d5db;
  color: #111827 !important;
}

[data-md-color-scheme="default"] .sc-btn--ghost:hover {
  border-color: #059669;
  color: #065f46 !important;
}

[data-md-color-scheme="default"] .sc-card {
  background: #ffffff;
  border-color: #e2e8f0;
}

[data-md-color-scheme="default"] .sc-card::before {
  background: radial-gradient(ellipse 60% 60% at 10% 0%, rgb(6 196 148 / 6%), transparent);
}

[data-md-color-scheme="default"] .sc-card:hover { box-shadow: 0 8px 30px rgb(0 0 0 / 8%); }
[data-md-color-scheme="default"] .sc-card__title { color: #0f172a; }
[data-md-color-scheme="default"] .sc-card__desc  { color: #6b7280; }
[data-md-color-scheme="default"] .sc-card__cta   { color: #065f46; }

[data-md-color-scheme="default"] .sc-section-label { color: #065f46; }
[data-md-color-scheme="default"] .sc-section-title { color: #0f172a; }

[data-md-color-scheme="default"] .sc-quickstart {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-md-color-scheme="default"] .sc-terminal {
  background: #1e293b;
  border-color: #334155;
}

[data-md-color-scheme="default"] .sc-terminal__bar {
  background: #273549;
  border-bottom-color: #334155;
}

/* ================================================================
   ANIMATIONS
   ================================================================ */

@keyframes sc-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes sc-fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ================================================================
   RESPONSIVE
   ================================================================ */

@media (max-width: 768px) {
  .sc-hero        { padding: 3rem 1.25rem 3rem; }
  .sc-features    { padding: 3.5rem 1.25rem; }
  .sc-quickstart  { padding: 3.5rem 1.25rem; }
  .sc-hero__title { font-size: clamp(2rem, 10vw, 2.6rem) !important; }
}

@media (max-width: 540px) {
  .sc-grid        { grid-template-columns: 1fr; }
  .sc-hero__actions  { flex-direction: column; align-items: center; }
  .sc-btn            { width: 100%; justify-content: center; }
  .sc-quickstart__links { flex-direction: column; }
}

/* ================================================================
   REDUCED MOTION
   ================================================================ */

@media (prefers-reduced-motion: reduce) {
  .sc-hero::before,
  .sc-badge,
  .sc-badge__dot,
  .sc-hero__title,
  .sc-hero__tagline,
  .sc-hero__actions,
  .sc-hero__pills { animation: none !important; }

  .sc-btn,
  .sc-card,
  .sc-card__cta { transition: none !important; }

  .sc-btn--primary:hover,
  .sc-btn--ghost:hover,
  .sc-card:hover {
    transform: none !important;
    box-shadow: none !important;
  }

  .sc-card::before,
  .sc-card:hover::before {
    transition: none !important;
    opacity: 0 !important;
  }
}