:root {
  --landing-paper: #f7f8f4;
  --landing-ink: #161917;
  --landing-soft-ink: #454c48;
  --landing-warm: #efc58f;
  --landing-cool: #a8c2e8;
  --landing-ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--landing-paper);
}

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

a {
  color: inherit;
}

.landing-page {
  color: var(--landing-ink);
  background: var(--landing-paper);
  font-family: "Avenir Next", Avenir, ui-rounded, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.landing-shell {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 100svh;
  padding: clamp(20px, 3.5vw, 56px);
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  background: var(--landing-paper);
}

.landing-field,
.landing-field::before,
.landing-field::after,
.landing-shell::before,
.landing-shell::after {
  position: absolute;
  pointer-events: none;
  content: "";
}

.landing-field {
  z-index: 0;
  inset: -15vmax;
  background:
    radial-gradient(circle at 91% 12%, rgb(227 213 148 / 0.74) 0, transparent 24%),
    var(--landing-paper);
}

.landing-field::before,
.landing-field::after {
  inset: 0;
  will-change: transform, opacity;
}

.landing-field::before {
  background: radial-gradient(circle at 28% 30%, var(--landing-warm) 0, transparent 52%);
  animation: landing-warm-drift 9s ease-in-out infinite alternate;
}

.landing-field::after {
  background: radial-gradient(circle at 73% 68%, var(--landing-cool) 0, transparent 54%);
  animation: landing-cool-drift 13s ease-in-out infinite alternate;
}

.landing-shell::before {
  z-index: 1;
  inset: 0;
  opacity: 0.38;
  background-image:
    radial-gradient(circle, rgb(22 25 23 / 0.54) 0 0.7px, transparent 0.95px),
    radial-gradient(circle, rgb(22 25 23 / 0.22) 0 0.45px, transparent 0.7px);
  background-position: 0 0, 5px 8px;
  background-size: 6px 6px, 17px 19px;
  mix-blend-mode: multiply;
  -webkit-mask-image: radial-gradient(
    ellipse 48% 43% at 40% 52%,
    transparent 0 38%,
    #000 72%
  );
  mask-image: radial-gradient(
    ellipse 48% 43% at 40% 52%,
    transparent 0 38%,
    #000 72%
  );
}

.landing-shell::after {
  z-index: 2;
  inset: 0;
  opacity: 0.2;
  background-image:
    radial-gradient(circle at 4% 17%, rgb(22 25 23 / 0.65) 0 1px, transparent 1.5px),
    radial-gradient(circle at 12% 71%, rgb(22 25 23 / 0.44) 0 1.5px, transparent 2px),
    radial-gradient(circle at 33% 9%, rgb(22 25 23 / 0.5) 0 0.8px, transparent 1.4px),
    radial-gradient(circle at 57% 86%, rgb(22 25 23 / 0.48) 0 1.1px, transparent 1.7px),
    radial-gradient(circle at 72% 24%, rgb(22 25 23 / 0.5) 0 1.4px, transparent 2px),
    radial-gradient(circle at 91% 63%, rgb(22 25 23 / 0.55) 0 1px, transparent 1.5px),
    radial-gradient(circle at 83% 94%, rgb(22 25 23 / 0.48) 0 1.7px, transparent 2.3px);
  background-size: 97px 83px, 151px 127px, 181px 139px, 211px 173px, 131px 191px,
    223px 149px, 167px 227px;
  mix-blend-mode: multiply;
}

.landing-header,
.landing-hero,
.landing-footer {
  position: relative;
  z-index: 3;
}

.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: landing-arrive 520ms var(--landing-ease) both;
}

.landing-brand,
.landing-open,
.landing-cta {
  text-decoration: none;
}

.landing-header__actions,
.landing-languages {
  display: flex;
  align-items: center;
}

.landing-header__actions {
  gap: 20px;
}

.landing-languages {
  padding: 2px;
  gap: 1px;
  border: 1px solid rgb(22 25 23 / 0.2);
  border-radius: 8px;
  background: rgb(247 248 244 / 0.46);
}

.landing-languages button {
  width: 28px;
  height: 26px;
  padding: 0;
  color: var(--landing-soft-ink);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  background: transparent;
  font: inherit;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.landing-languages button[aria-pressed="true"] {
  color: var(--landing-paper);
  background: var(--landing-ink);
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.landing-open {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding-block: 5px;
  border-bottom: 1px solid var(--landing-ink);
  font-size: 13px;
  font-weight: 600;
  transition: gap 140ms var(--landing-ease);
}

.landing-hero {
  align-self: center;
  width: min(100%, 1260px);
  padding-block: clamp(48px, 8vh, 104px);
}

.landing-hero h1 {
  display: grid;
  width: max-content;
  max-width: 100%;
  margin: 0;
  font-size: clamp(4.75rem, 11.8vw, 10.75rem);
  font-weight: 400;
  letter-spacing: -0.072em;
  line-height: 0.82;
  text-wrap: balance;
}

.landing-hero h1 span,
.landing-action-row > * {
  opacity: 0;
  transform: translateY(14px);
  animation: landing-arrive 640ms var(--landing-ease) forwards;
}

.landing-hero h1 span:nth-child(2) {
  animation-delay: 60ms;
}

.landing-action-row {
  display: grid;
  width: min(100%, 940px);
  margin-top: clamp(28px, 4vw, 54px);
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
}

.landing-action-row p {
  margin: 0;
  color: var(--landing-soft-ink);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  letter-spacing: -0.025em;
  animation-delay: 120ms;
}

.landing-cta {
  display: inline-flex;
  min-width: 156px;
  min-height: 52px;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
  padding: 0 17px 0 20px;
  color: var(--landing-paper);
  border-radius: 9px;
  background: var(--landing-ink);
  box-shadow: 0 10px 22px rgb(22 25 23 / 0.14);
  font-size: 15px;
  font-weight: 600;
  animation-delay: 180ms;
  transition:
    transform 140ms var(--landing-ease),
    box-shadow 140ms var(--landing-ease);
}

.landing-cta svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 140ms var(--landing-ease);
}

.landing-cta:active {
  transform: translateY(1px);
  box-shadow: 0 5px 12px rgb(22 25 23 / 0.12);
}

.landing-footer {
  display: flex;
  gap: 24px;
  align-items: end;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid rgb(22 25 23 / 0.22);
  animation: landing-arrive 640ms 210ms var(--landing-ease) both;
}

.landing-footer p {
  max-width: 42ch;
  margin: 0;
  color: var(--landing-soft-ink);
  font-size: 13px;
  line-height: 1.45;
}

.landing-footer ul {
  display: flex;
  margin: 0;
  padding: 0;
  color: var(--landing-ink);
  list-style: none;
  font-size: 12px;
  font-weight: 600;
}

.landing-footer li + li::before {
  margin-inline: 10px;
  color: rgb(22 25 23 / 0.42);
  content: "\00b7";
}

.landing-brand:focus-visible,
.landing-open:focus-visible,
.landing-cta:focus-visible,
.landing-languages button:focus-visible {
  outline: 3px solid var(--landing-ink);
  outline-offset: 4px;
}

@media (hover: hover) and (pointer: fine) {
  .landing-open:hover {
    gap: 11px;
  }

  .landing-languages button:not([aria-pressed="true"]):hover {
    color: var(--landing-ink);
    background: rgb(22 25 23 / 0.08);
  }

  .landing-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgb(22 25 23 / 0.18);
  }

  .landing-cta:hover svg {
    transform: translateX(3px);
  }
}

/* Keep travel inside the field's 15vmax overscan at every aspect ratio. */
@keyframes landing-warm-drift {
  0% {
    opacity: 0.78;
    transform: translate3d(-8vw, -5vh, 0) scale(0.98);
  }

  50% {
    opacity: 0.96;
    transform: translate3d(6vw, 4vh, 0) scale(1.14);
  }

  100% {
    opacity: 0.84;
    transform: translate3d(10vw, -2vh, 0) scale(1.04);
  }
}

@keyframes landing-cool-drift {
  0% {
    opacity: 0.82;
    transform: translate3d(8vw, 5vh, 0) scale(1.03);
  }

  50% {
    opacity: 0.98;
    transform: translate3d(-5vw, -5vh, 0) scale(1.16);
  }

  100% {
    opacity: 0.86;
    transform: translate3d(-10vw, 3vh, 0) scale(1.05);
  }
}

@keyframes landing-arrive {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 700px) {
  .landing-shell {
    padding: 20px;
  }

  .landing-shell::before {
    -webkit-mask-image: radial-gradient(
      ellipse 62% 38% at 48% 49%,
      transparent 0 36%,
      #000 74%
    );
    mask-image: radial-gradient(
      ellipse 62% 38% at 48% 49%,
      transparent 0 36%,
      #000 74%
    );
  }

  .landing-hero {
    padding-block: 44px;
  }

  .landing-hero h1 {
    font-size: clamp(3.8rem, 19.5vw, 6.25rem);
    letter-spacing: -0.075em;
  }

  .landing-action-row {
    margin-top: 30px;
    grid-template-columns: 1fr;
    gap: 22px;
    justify-items: start;
  }

  .landing-action-row p {
    font-size: 1.25rem;
  }

  .landing-footer {
    align-items: start;
  }

  .landing-footer p {
    max-width: 28ch;
  }
}

@media (max-width: 480px) {
  .landing-open {
    display: none;
  }

  .landing-header__actions {
    gap: 12px;
  }

  .landing-footer {
    display: grid;
    gap: 14px;
  }
}

@media (max-width: 360px) {
  .landing-footer ul {
    flex-wrap: wrap;
    gap: 6px 14px;
  }

  .landing-footer li + li::before {
    margin-inline: 0 8px;
  }
}

@media (max-height: 580px) and (orientation: landscape) {
  .landing-shell {
    padding-block: 16px;
  }

  .landing-hero {
    padding-block: 24px;
  }

  .landing-hero h1 {
    font-size: clamp(3.4rem, 12vw, 6.5rem);
  }

  .landing-action-row {
    margin-top: 20px;
  }

  .landing-footer p {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-field,
  .landing-field::before,
  .landing-field::after,
  .landing-header,
  .landing-hero h1 span,
  .landing-action-row > *,
  .landing-footer {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .landing-open,
  .landing-cta,
  .landing-cta svg {
    transition: none;
  }
}