:root {
  color-scheme: light;
  --page: #efe8dc;
  --paper: #fff9ed;
  --ink: #171310;
  --line: rgba(23, 19, 16, 0.12);
  --ghost: rgba(23, 19, 16, 0.045);
  --fjord: #18465f;
  --red: #b54439;
  --pounamu: #5d755d;
  --button-bg: rgba(255, 249, 237, 0.72);
  --button-line: rgba(23, 19, 16, 0.14);
  --shadow: 0 30px 110px rgba(66, 48, 30, 0.15);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --page: #10110e;
    --paper: #191813;
    --ink: #f4ebdc;
    --line: rgba(244, 235, 220, 0.13);
    --ghost: rgba(244, 235, 220, 0.04);
    --fjord: #86aabe;
    --red: #d9675c;
    --pounamu: #91a886;
    --button-bg: rgba(25, 24, 19, 0.72);
    --button-line: rgba(244, 235, 220, 0.15);
    --shadow: 0 30px 110px rgba(0, 0, 0, 0.34);
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  --page: #efe8dc;
  --paper: #fff9ed;
  --ink: #171310;
  --line: rgba(23, 19, 16, 0.12);
  --ghost: rgba(23, 19, 16, 0.045);
  --fjord: #18465f;
  --red: #b54439;
  --pounamu: #5d755d;
  --button-bg: rgba(255, 249, 237, 0.72);
  --button-line: rgba(23, 19, 16, 0.14);
  --shadow: 0 30px 110px rgba(66, 48, 30, 0.15);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #10110e;
  --paper: #191813;
  --ink: #f4ebdc;
  --line: rgba(244, 235, 220, 0.13);
  --ghost: rgba(244, 235, 220, 0.04);
  --fjord: #86aabe;
  --red: #d9675c;
  --pounamu: #91a886;
  --button-bg: rgba(25, 24, 19, 0.72);
  --button-line: rgba(244, 235, 220, 0.15);
  --shadow: 0 30px 110px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
}

body {
  width: 100%;
  height: 100svh;
  min-width: 320px;
  min-height: 100svh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 48%, color-mix(in srgb, var(--paper), transparent 8%), transparent 27rem),
    radial-gradient(circle at 50% 115%, color-mix(in srgb, var(--pounamu), transparent 88%), transparent 36rem),
    linear-gradient(180deg, var(--paper), var(--page));
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  overflow: hidden;
}

body::before,
body::after {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
}

body::before {
  background:
    linear-gradient(-45deg, color-mix(in srgb, var(--ink), transparent 94%) 25%, transparent 25%, transparent 75%, color-mix(in srgb, var(--ink), transparent 94%) 75%) 0 0 / 72px 72px,
    linear-gradient(-45deg, color-mix(in srgb, var(--fjord), transparent 95%) 25%, transparent 25%, transparent 75%, color-mix(in srgb, var(--fjord), transparent 95%) 75%) 36px 36px / 72px 72px,
    linear-gradient(45deg, color-mix(in srgb, var(--pounamu), transparent 96%) 17%, transparent 17%, transparent 25%, color-mix(in srgb, var(--pounamu), transparent 96%) 25%, color-mix(in srgb, var(--pounamu), transparent 96%) 36%, transparent 36%, transparent 64%, color-mix(in srgb, var(--pounamu), transparent 96%) 64%, color-mix(in srgb, var(--pounamu), transparent 96%) 75%, transparent 75%, transparent 83%, color-mix(in srgb, var(--pounamu), transparent 96%) 83%) 36px 36px / 72px 72px,
    linear-gradient(90deg, transparent, var(--ghost) 48%, var(--ghost) 52%, transparent),
    radial-gradient(circle at 50% 50%, transparent 0 26rem, rgba(0, 0, 0, 0.035) 46rem);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, transparent 0 12rem, black 24rem);
  mask-image: radial-gradient(circle at 50% 50%, transparent 0 12rem, black 24rem);
  opacity: 0.48;
}

body::after {
  background:
    radial-gradient(circle at 50% 50%, transparent 0 24rem, color-mix(in srgb, var(--fjord), transparent 93%) 24.1rem 24.2rem, transparent 24.3rem),
    linear-gradient(90deg, transparent 0 49.94%, color-mix(in srgb, var(--red), transparent 94%) 49.94% 50.06%, transparent 50.06%);
  opacity: 0.42;
}

.theme-toggle {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 4;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--button-line);
  border-radius: 50%;
  color: var(--ink);
  background: var(--button-bg);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(16px);
  cursor: pointer;
  transform: translateX(-50%);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.theme-toggle:hover {
  border-color: color-mix(in srgb, var(--red), transparent 38%);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.1);
  transform: translateX(-50%) translateY(-1px);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 4px;
}

.theme-toggle__icon {
  position: relative;
  width: 16px;
  height: 16px;
  border: 1.4px solid currentColor;
  border-radius: 50%;
  opacity: 0.88;
  transition: background 220ms var(--ease), box-shadow 220ms var(--ease), transform 220ms var(--ease);
}

.theme-toggle__icon::before,
.theme-toggle__icon::after {
  position: absolute;
  content: "";
}

.theme-toggle__icon::before {
  inset: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0;
  transition: opacity 220ms var(--ease);
}

.theme-toggle__icon::after {
  top: 2px;
  right: 1px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--button-bg);
  opacity: 0;
  transition: opacity 220ms var(--ease), transform 220ms var(--ease);
}

.theme-toggle[data-mode="light"] .theme-toggle__icon {
  box-shadow:
    0 -7px 0 -5px currentColor,
    0 7px 0 -5px currentColor,
    7px 0 0 -5px currentColor,
    -7px 0 0 -5px currentColor;
}

.theme-toggle[data-mode="light"] .theme-toggle__icon::before {
  opacity: 1;
}

.theme-toggle[data-mode="dark"] .theme-toggle__icon::after {
  opacity: 1;
  transform: translate(1px, -1px);
}

.jacket {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(20px, 4vw, 64px);
  overflow: hidden;
  isolation: isolate;
}

.jacket::before,
.jacket::after {
  position: absolute;
  pointer-events: none;
}

.jacket::before {
  z-index: -1;
  width: min(64vw, 920px);
  height: min(28vh, 280px);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--paper), transparent 1%), transparent 68%);
  filter: blur(8px);
  content: "";
  animation: quiet-breath 12s ease-in-out infinite;
}

.jacket::after {
  z-index: -1;
  width: min(68vw, 920px);
  height: min(68vw, 920px);
  border: 1px solid color-mix(in srgb, var(--line), transparent 22%);
  border-radius: 50%;
  content: "";
  opacity: 0.36;
}

.wordmark {
  position: relative;
  z-index: 1;
  max-width: calc(100vw - clamp(42px, 10vw, 160px));
  margin: 0;
  color: var(--ink);
  font-family: Didot, "Bodoni 72", "Bodoni 72 Display", "Hoefler Text", Georgia, serif;
  font-feature-settings: "kern" 1, "liga" 1;
  font-size: clamp(3rem, 11.7vw, 13.4rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 0.82;
  text-align: center;
  text-shadow:
    0 1px 0 color-mix(in srgb, var(--paper), transparent 24%),
    0 20px 58px rgba(0, 0, 0, 0.13);
  white-space: nowrap;
  animation: wordmark-in 1000ms var(--ease) both;
}

.wordmark__dot {
  color: var(--red);
}

@keyframes wordmark-in {
  from {
    opacity: 0;
    transform: translateY(12px);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes quiet-breath {
  0%,
  100% {
    opacity: 0.88;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.012);
  }
}

@media (max-width: 700px) {
  .jacket {
    padding: 18px;
  }

  .jacket::before {
    width: 86vw;
    height: 22vh;
  }

  .jacket::after {
    width: 122vw;
    height: 122vw;
  }

  .wordmark {
    max-width: calc(100vw - 38px);
    font-size: clamp(2.7rem, 13.2vw, 5.6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}