:root {
  --support-light-ink: #0f1318;
  --support-light-muted: rgba(15, 19, 24, 0.74);
  --support-dark-ink: #f3f7ff;
  --support-dark-muted: rgba(234, 242, 255, 0.78);
  --support-light-card: rgba(255, 247, 235, 0.72);
  --support-light-border: rgba(15, 19, 24, 0.14);
  --support-dark-card: rgba(8, 14, 26, 0.74);
  --support-dark-border: rgba(243, 247, 255, 0.18);
  --support-shell: rgba(6, 9, 19, 0.56);
  --support-accent: #84f3de;
  --support-plane-width: min(42vw, 520px);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow-x: hidden;
  font-family: "Inter", sans-serif;
  color: var(--support-dark-ink);
  background: linear-gradient(180deg, #070d18 0%, #03060d 100%);
}

.menu-shell {
  position: fixed;
  z-index: 16;
}

.menu-toggle {
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: var(--support-shell);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: transform 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.menu-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(150, 197, 255, 0.42);
}

.menu-toggle-lines {
  width: 22px;
  display: grid;
  gap: 5px;
}

.menu-toggle-lines span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: #d8e4fb;
  transition: transform 220ms ease, opacity 220ms ease;
}

.menu-shell.is-open .menu-toggle-lines span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-shell.is-open .menu-toggle-lines span:nth-child(2) {
  opacity: 0;
}

.menu-shell.is-open .menu-toggle-lines span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 16;
  display: grid;
  gap: 8px;
  padding: 8px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(6, 9, 19, 0.78);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 200ms ease, transform 200ms ease, visibility 200ms ease;
}

.menu-shell.is-open .site-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.menu-link {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-decoration: none;
  border-radius: 999px;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #c4d2f2;
  transition: color 200ms ease, transform 200ms ease, background-color 200ms ease;
}

.menu-link:hover {
  color: #f4f8ff;
  transform: translateX(2px);
}

.menu-link.is-active {
  color: #05121d;
  background: linear-gradient(135deg, #84f3de, #96c5ff);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.lang-switcher {
  position: fixed;
  z-index: 16;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: var(--support-shell);
  backdrop-filter: blur(8px);
}

.lang-btn {
  border: 0;
  border-radius: 999px;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #c4d2f2;
  background: transparent;
  cursor: pointer;
  transition: background-color 200ms ease, color 200ms ease, transform 200ms ease;
}

.lang-btn:hover {
  color: #f4f8ff;
  transform: translateY(-1px);
}

.lang-btn.is-active {
  color: #05121d;
  background: linear-gradient(135deg, #84f3de, #96c5ff);
}

.support-main {
  position: relative;
  z-index: 1;
}

.support-scroll-shell {
  position: relative;
  height: 400vh;
  height: 400svh;
  overflow: clip;
}

.support-stage {
  position: sticky;
  top: 0;
  min-height: 100vh;
  min-height: 100svh;
  height: 100vh;
  height: 100svh;
  display: grid;
  grid-template-rows: auto minmax(150px, 1fr) auto minmax(132px, 1fr);
  align-items: center;
  justify-items: center;
  gap: clamp(16px, 2.4vh, 28px);
  padding:
    max(calc(var(--chrome-top) + 54px), 132px)
    max(calc(var(--safe-right) + 28px), 28px)
    max(calc(var(--safe-bottom) + 40px), 40px)
    max(calc(var(--safe-left) + 28px), 28px);
  overflow: hidden;
  overflow: clip;
  isolation: isolate;
}

.support-background-stack {
  position: absolute;
  inset: 0;
  display: grid;
  z-index: 0;
}

.support-background-layer {
  grid-area: 1 / 1;
  opacity: 0;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  will-change: opacity;
}

.support-background-layer::after {
  content: "";
  position: absolute;
  inset: 0;
}

.support-background-layer.is-light-scene::after {
  background:
    linear-gradient(180deg, rgba(255, 249, 240, 0.16) 0%, rgba(255, 249, 240, 0.05) 32%, rgba(17, 23, 34, 0.12) 100%),
    radial-gradient(circle at 50% 54%, rgba(255, 247, 235, 0.24), transparent 44%);
}

.support-background-layer.is-dark-scene::after {
  background:
    linear-gradient(180deg, rgba(2, 6, 16, 0.2) 0%, rgba(2, 6, 16, 0.36) 34%, rgba(2, 6, 16, 0.58) 100%),
    radial-gradient(circle at 50% 54%, rgba(149, 177, 255, 0.12), transparent 40%);
}

.support-title-rail,
.support-content-slot,
.support-plane-visual {
  position: relative;
  z-index: 2;
}

.support-title-rail {
  width: min(760px, calc(100vw - var(--safe-left) - var(--safe-right) - 180px));
  display: grid;
  text-align: center;
  pointer-events: none;
}

.support-title-stack,
.support-content-slot {
  display: grid;
}

.support-title,
.support-card-layer {
  grid-area: 1 / 1;
  margin: 0;
  transition: opacity 150ms linear;
}

.support-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.6rem, 6.1vw, 5.6rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
  opacity: 0;
}

.support-title-dark {
  color: var(--support-light-ink);
}

.support-title-light {
  color: var(--support-dark-ink);
}

.support-content-slot {
  width: min(860px, calc(100vw - var(--safe-left) - var(--safe-right) - 56px));
  pointer-events: none;
}

.support-content-slot-top {
  align-self: end;
}

.support-content-slot-bottom {
  width: min(760px, calc(100vw - var(--safe-left) - var(--safe-right) - 72px));
  align-self: start;
}

.support-card-layer {
  opacity: 0;
  display: grid;
  place-items: center;
}

.support-card-layer.is-empty {
  visibility: hidden;
}

.support-scene-card {
  width: min(100%, 760px);
  pointer-events: auto;
  margin: 0 auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.support-scene-card.is-light-scene {
  color: var(--support-light-ink);
}

.support-scene-card.is-dark-scene {
  color: var(--support-dark-ink);
}

.support-scene-card.is-compact {
  padding: 0;
}

.support-scene-copy {
  display: grid;
  gap: clamp(10px, 1.3vh, 16px);
  text-align: center;
}

.support-scene-copy p,
.support-scene-copy ul {
  margin: 0;
}

.support-scene-copy p {
  font-size: clamp(1rem, 1.34vw, 1.22rem);
  line-height: 1.6;
  text-shadow: 0 2px 14px rgba(255, 247, 235, 0.2);
}

.support-cta-lead-paypal {
  font-weight: 800;
  color: #fff;
}

.support-scene-card.is-compact .support-scene-copy p,
.support-scene-card.is-compact .support-scene-copy ul {
  font-size: clamp(0.9rem, 1.05vw, 1.02rem);
  line-height: 1.45;
}

.support-scene-card.is-dark-scene .support-scene-copy p,
.support-scene-card.is-dark-scene .support-scene-copy ul,
.support-scene-card.is-dark-scene .support-scene-copy li {
  text-shadow: 0 2px 14px rgba(2, 6, 16, 0.46);
}

.support-scene-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 10px 18px;
  justify-items: center;
}

.support-scene-list.is-two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.support-scene-list li {
  position: relative;
  padding-left: 16px;
}

.support-scene-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.52;
}

.support-scene-card a {
  color: inherit;
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

.support-scene-card a:hover {
  text-decoration-thickness: 3px;
}

.support-donate-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  min-width: 168px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid rgba(8, 14, 26, 0.18);
  background: linear-gradient(135deg, #84f3de, #96c5ff);
  box-shadow: 0 16px 34px rgba(7, 14, 28, 0.16);
  color: #05121d;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(0.96rem, 1.2vw, 1.08rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  text-underline-offset: 0;
  text-decoration-thickness: 0;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.support-scene-card.is-dark-scene .support-donate-button {
  color: #000;
}

.support-donate-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 40px rgba(7, 14, 28, 0.22);
  text-decoration: none;
}

.support-plane-visual {
  width: var(--support-plane-width);
  max-width: 100%;
  aspect-ratio: 751 / 322;
  margin: 0;
  pointer-events: none;
}

.support-plane-base {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.support-plane-part {
  position: absolute;
  display: block;
  height: auto;
  max-width: none;
  pointer-events: none;
}

.support-plane-part-right-wing {
  width: 31.6911%;
  left: 26.6312%;
  top: -0.3106%;
  z-index: 80;
}

.support-plane-part-clouds {
  width: 55.9254%;
  left: 25.4328%;
  top: 67.7019%;
  z-index: 70;
}

.support-plane-part-stage {
  width: 60.719%;
  left: 24.767%;
  top: 35.7143%;
  z-index: 60;
}

.support-plane-part-supports {
  width: 54.1944%;
  left: 27.963%;
  top: 52.795%;
  z-index: 50;
}

.support-plane-part-fuselage {
  width: 100%;
  left: 0;
  top: 21.7391%;
  z-index: 40;
}

.support-plane-part-left-wing {
  width: 31.6911%;
  left: 34.0879%;
  top: -0.6211%;
  z-index: 30;
}

.support-plane-part-wheel-base {
  width: 63.9148%;
  left: 27.6964%;
  top: 80.4348%;
  z-index: 20;
}

.site-footer {
  position: relative;
  z-index: 1;
  margin: 0 auto;
  display: grid;
  gap: 12px;
  padding: 26px max(20px, var(--safe-right)) max(24px, var(--safe-bottom)) max(20px, var(--safe-left));
  background: linear-gradient(180deg, #03060d 0%, #02040a 100%);
}

.site-disclaimer {
  width: min(960px, 100%);
  margin: 0 auto;
  text-align: center;
  font-size: clamp(0.76rem, 1vw, 0.9rem);
  line-height: 1.6;
  color: rgba(243, 247, 255, 0.82);
}

.site-disclaimer-legal {
  width: min(900px, 100%);
}

html.is-tablet {
  --support-plane-width: min(54vw, 430px);
}

html.is-phone {
  --support-plane-width: min(72vw, 300px);
}

html.is-phone .support-stage,
html.is-short-viewport .support-stage {
  padding-right: max(calc(var(--safe-right) + 18px), 18px);
  padding-left: max(calc(var(--safe-left) + 18px), 18px);
}

html.is-tablet .support-stage {
  grid-template-rows: auto minmax(168px, 1fr) auto minmax(136px, 1fr);
  padding-top: max(calc(var(--chrome-top) + 58px), 138px);
}

html.is-tablet .support-title-rail {
  width: min(680px, calc(100vw - var(--safe-left) - var(--safe-right) - 180px));
}

html.is-tablet .support-content-slot {
  width: min(760px, calc(100vw - var(--safe-left) - var(--safe-right) - 44px));
}

html.is-tablet .support-content-slot-bottom {
  width: min(680px, calc(100vw - var(--safe-left) - var(--safe-right) - 60px));
}

html.is-phone .support-stage {
  grid-template-rows: auto minmax(210px, 1fr) auto minmax(158px, 1fr);
  gap: 14px;
  padding-top: max(calc(var(--chrome-top) + 62px), 142px);
  padding-bottom: max(calc(var(--safe-bottom) + 28px), 28px);
}

html.is-phone .support-title-rail {
  width: min(100%, calc(100vw - var(--safe-left) - var(--safe-right) - 140px));
}

html.is-phone .support-title {
  font-size: clamp(2rem, 10vw, 3.25rem);
}

html.is-phone .support-content-slot {
  width: min(100%, calc(100vw - var(--safe-left) - var(--safe-right) - 24px));
}

html.is-phone .support-content-slot-bottom {
  width: min(100%, calc(100vw - var(--safe-left) - var(--safe-right) - 34px));
}

html.is-phone .support-scene-card {
  padding: 0;
}

html.is-phone .support-scene-card.is-compact {
  padding: 0;
}

html.is-phone .support-scene-copy {
  gap: 10px;
}

html.is-phone .support-scene-copy p {
  font-size: clamp(0.94rem, 4vw, 1.08rem);
  line-height: 1.52;
}

html.is-phone .support-donate-button {
  min-width: 150px;
  padding: 12px 24px;
  font-size: 0.92rem;
}

html.is-phone .support-scene-card.is-compact .support-scene-copy p,
html.is-phone .support-scene-card.is-compact .support-scene-copy ul {
  font-size: clamp(0.76rem, 3.18vw, 0.9rem);
  line-height: 1.38;
}

html.is-phone .support-scene-list.is-two-column {
  grid-template-columns: 1fr;
}

html.is-short-viewport .support-stage {
  grid-template-rows: auto minmax(144px, 1fr) auto minmax(104px, 1fr);
  gap: 12px;
  padding-top: max(calc(var(--chrome-top) + 44px), 112px);
  padding-bottom: max(calc(var(--safe-bottom) + 20px), 20px);
}

html.is-short-viewport .support-title {
  font-size: clamp(1.9rem, 7.8vw, 3rem);
}

html.is-short-viewport .support-scene-card {
  padding: 0;
}

html.is-short-viewport .support-scene-copy p {
  font-size: clamp(0.86rem, 1.65vw, 1rem);
  line-height: 1.46;
}

html.is-short-viewport .support-scene-card.is-compact .support-scene-copy p,
html.is-short-viewport .support-scene-card.is-compact .support-scene-copy ul {
  font-size: clamp(0.72rem, 1.35vw, 0.84rem);
  line-height: 1.32;
}

@media (hover: none) and (pointer: coarse) {
  .menu-toggle:hover,
  .menu-link:hover,
  .lang-btn:hover,
  .support-scene-card a:hover {
    transform: none;
  }
}