:root {
  --mk-red: #e3101b;
  --mk-red-dark: #8c0710;
  --mk-yellow: #ffd21f;
  --mk-yellow-dark: #c98a00;
  --mk-blue: #1d4fd8;
  --mk-blue-dark: #0b1f6b;
  --mk-navy: #070f33;
  --mk-green: #19b445;
  --ink: #f4f7ff;
  --ink-soft: #c5d0f2;
  --panel: rgba(10, 22, 70, 0.9);
  --panel-border: rgba(255, 210, 31, 0.75);

  --checker: repeating-conic-gradient(#0d0d0d 0 25%, #f5f5f5 0 50%) 0 0 / 16px
    16px;
  --checker-small: repeating-conic-gradient(#0d0d0d 0 25%, #f5f5f5 0 50%) 0 0 /
    10px 10px;
  --rainbow: linear-gradient(
    90deg,
    #e3101c,
    #ff8a01,
    #ffd21e,
    #19b444,
    #1d9bf1,
    #1d4fd7,
    #9b3cf1
  );
  --hard-shadow: 4px 4px 0 #000;
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background-color: var(--mk-navy);
  background-image:
    radial-gradient(
      ellipse at 50% -10%,
      rgba(64, 120, 255, 0.55),
      transparent 60%
    ),
    radial-gradient(circle at 10% 90%, rgba(227, 16, 27, 0.18), transparent 40%),
    radial-gradient(circle at 90% 70%, rgba(255, 210, 31, 0.12), transparent 40%),
    repeating-conic-gradient(
      rgba(255, 255, 255, 0.035) 0 25%,
      transparent 0 50%
    );
  background-size:
    cover,
    cover,
    cover,
    64px 64px;
  background-attachment: fixed;
  margin: 0;
}

.site-navbar {
  background: linear-gradient(180deg, #f2212b, var(--mk-red) 55%, #b80b14);
  border-bottom: 0;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

.site-navbar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 10px;
  background: var(--checker-small);
}

.site-navbar .navbar-brand {
  font-family: "Bungee", sans-serif;
  letter-spacing: 1px;
  color: var(--mk-yellow);
  font-style: italic;
  transform: skewX(-8deg);
  text-shadow:
    2px 2px 0 black,
    -1px -1px 0 black,
    1px -1px 0 black,
    -1px 1px 0 black;
}

.site-navbar .navbar-brand:hover {
  color: #fff;
}

.site-navbar .nav-link {
  color: #fff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.9rem;
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.6);
  border-radius: 8px;
  transition:
    background 150ms ease,
    color 150ms ease;
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link.active {
  color: var(--mk-yellow) !important;
  background: rgba(0, 0, 0, 0.22);
}

.site-navbar .navbar-toggler {
  border: 2px solid var(--mk-yellow);
  background: rgba(0, 0, 0, 0.2);
}

.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 84px;
  background:
    radial-gradient(
      ellipse at 50% 45%,
      rgba(255, 210, 31, 0.18),
      transparent 55%
    ),
    linear-gradient(180deg, #2c6cf5 0%, #1a3fb5 45%, var(--mk-navy) 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      -12deg,
      transparent 0 70px,
      rgba(255, 255, 255, 0.04) 70px 140px
    );
}

.hero-overlay::after {
  content: "";
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: 0;
  height: 48px;
  background: var(--checker);
  background-size: 24px 24px;
  transform: perspective(300px) rotateX(35deg);
  transform-origin: bottom;
  box-shadow: 0 -6px 0 var(--mk-red);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 880px;
  min-height: 580px;
  animation: race-in 750ms cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

.hero-logo {
  display: block;
  width: min(100%, 640px);
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(6px 8px 0 rgba(0, 0, 0, 0.55));
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--mk-yellow);
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-family: "Bungee", sans-serif;
  font-size: clamp(2.1rem, 6vw, 4rem);
  line-height: 1.06;
  margin-bottom: 1rem;
}

.hero .lead {
  max-width: 720px;
  margin: 0 auto;
  color: var(--ink-soft);
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn.rounded-pill {
  border-radius: 12px !important;
}

.btn-success,
.btn-outline-light {
  font-family: "Bungee", sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: 3px solid #000;
  box-shadow: var(--hard-shadow);
  transform: skewX(-8deg);
  transition:
    transform 120ms ease,
    box-shadow 120ms ease,
    background 120ms ease;
}

.btn-success {
  background: linear-gradient(180deg, #ffe45c, var(--mk-yellow) 50%, #f2b800);
  color: #111;
}

.btn-success:hover,
.btn-success:focus-visible {
  background: linear-gradient(180deg, #fff08f, #ffdc3d 50%, var(--mk-yellow));
  border-color: black;
  color: black;
  transform: skewX(-8deg) translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--mk-red);
}

.btn-outline-light {
  background: linear-gradient(180deg, #3b74ff, var(--mk-blue) 55%, #1538a8);
  color: #fff;
  text-shadow: 1px 1px 0 black;
}

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
  background: linear-gradient(180deg, #5b8cff, #2d63f0 55%, var(--mk-blue));
  border-color: black;
  color: #fff;
  transform: skewX(-8deg) translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--mk-yellow);
}

.btn-success:active,
.btn-outline-light:active {
  transform: skewX(-8deg) translate(2px, 2px);
  box-shadow: 1px 1px 0 black;
}

.section-block {
  position: relative;
  padding: 4.5rem 0;
}

.section-block h2 {
  font-family: "Bungee", sans-serif;
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  margin-bottom: 1.2rem;
  color: var(--mk-yellow);
  font-style: italic;
  text-transform: uppercase;
  transform: skewX(-6deg);
  text-shadow:
    3px 3px 0 var(--mk-red),
    5px 5px 0 #000;
}

.alt {
  background:
    linear-gradient(180deg, rgba(29, 79, 216, 0.28), rgba(11, 31, 107, 0.4));
  border-top: 0;
  border-bottom: 0;
}

.alt::before,
.alt::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 12px;
  background: var(--checker-small);
  background-size: 12px 12px;
  opacity: 0.9;
}

.alt::before {
  top: 0;
}

.alt::after {
  bottom: 0;
}

.panel-card,
.feature-card {
  position: relative;
  border-radius: 14px;
  padding: 1.2rem 1.3rem;
  color: var(--ink);
}

.panel-card {
  margin-bottom: 0.9rem;
  background: linear-gradient(180deg, #13277e, #0b1a5c);
  border: 3px solid #fff;
  box-shadow:
    0 0 0 3px #000,
    6px 6px 0 3px rgba(0, 0, 0, 0.6);
}

.feature-card {
  background: linear-gradient(180deg, #1a3aa8, #0f2470);
  border: 3px solid var(--mk-yellow);
  box-shadow:
    0 0 0 3px black,
    6px 6px 0 3px rgba(0, 0, 0, 0.55);
  overflow: hidden;
  padding-top: 1.55rem;
}

/* rainbow item-box stripe */
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 7px;
  background: var(--rainbow);
}

.panel-card p,
.panel-card li,
.feature-card p,
.feature-card li {
  line-height: 1.6;
  font-weight: 500;
  text-shadow: none;
  color: rgba(236, 241, 255, 0.95);
}

.panel-card a,
.feature-card a {
  font-weight: 700;
  text-underline-offset: 2px;
  color: var(--mk-yellow);
  text-decoration-color: rgba(255, 210, 31, 0.7);
}

.panel-card a:hover,
.feature-card a:hover {
  color: #fff08f;
  text-decoration-color: rgba(255, 240, 143, 0.9);
}

.panel-card h3,
.feature-card h3 {
  font-family: "Bungee", sans-serif;
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  font-style: italic;
  color: var(--mk-yellow);
  text-shadow: 2px 2px 0 #000;
}

.panel-card h3 {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  background: var(--mk-red);
  border: 2px solid #000;
  border-radius: 8px;
  transform: skewX(-8deg);
  color: #fff;
}

.panel-card ol,
.feature-card ol,
.panel-card ul,
.feature-card ul {
  padding-left: 1.4rem;
}

.panel-card li::marker {
  color: var(--mk-yellow);
  font-weight: 700;
}

.feature-card li::marker {
  color: var(--mk-yellow);
}

.panel-card .ratio {
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid #000;
}

.feature-card {
  height: 100%;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.feature-card:hover {
  transform: translate(-3px, -5px);
  border-color: #fff;
  box-shadow:
    0 0 0 3px #000,
    10px 10px 0 3px var(--mk-red);
}

.endpoint-box {
  margin-top: 1rem;
  background: #000;
  color: var(--mk-yellow);
  border: 3px solid var(--mk-yellow);
  border-radius: 10px;
  padding: 1rem;
  overflow-x: auto;
  font-family: ui-monospace, "Consolas", monospace;
}

main p a,
.small-note a {
  color: var(--mk-yellow);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

main p a:hover,
.small-note a:hover {
  color: #fff08f;
}

main p strong {
  color: #ffe9e9;
}

.site-footer {
  position: relative;
  border-top: 0;
  padding: 2.2rem 0 2rem;
  text-align: center;
  background: linear-gradient(180deg, #0b1a5c, #050a24);
}

.site-footer > .container > p:first-child {
  font-family: "Bungee", sans-serif;
  font-style: italic;
  color: var(--mk-yellow);
  text-shadow: 2px 2px 0 var(--mk-red);
  font-size: 1.15rem;
}

.small-note {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.center-actions {
  justify-content: center;
}

@keyframes race-in {
  from {
    opacity: 0;
    transform: translateX(-60px) skewX(-12deg);
  }
  to {
    opacity: 1;
    transform: translateX(0) skewX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-content {
    animation: none;
  }
}

@media (max-width: 991px) {
  .section-block {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: 78vh;
  }
}