/* the docs homepage (overrides/home.html). colors and fonts are the editor's (app/editor/editor.css) */
:root {
  --granite: #e9ecea;
  --sheet: #ffffff;
  --ink: #1d2b33;
  --lichen: #5e6b66;
  --glacier: #2e6e8e;
  --glacier-deep: #24576f;
  --hairline: #d5dbd8;
  --font-display: "Archivo", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Public Sans", ui-sans-serif, system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
}

body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  background: var(--granite);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
}

a {
  color: var(--glacier);
}

/* the ink band and its ridge, as the editor's projects page */
.band {
  background: var(--ink);
  color: #fff;
}

.band__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 3rem 1.25rem 1.5rem;
}

.band__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-stretch: 112.5%;
  font-weight: 700;
  line-height: 1.1;
}

.ridge {
  position: relative;
  height: 7rem;
}

.ridge svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* the reveal, in order: ranges rise, the line draws, then the fill and the contours come in together */
.ridge__range {
  animation: rise 0.7s ease-out both;
}

.ridge__range--far {
  fill: #2a3c46;
}

.ridge__range--near {
  fill: #364b56;
  animation-delay: 0.1s;
}

.ridge__fill {
  fill: var(--granite);
  /* rises from the foot of the band as it fades in, so the light doesn't flash on all at once */
  animation: fill-up 0.8s ease-in-out 1.2s both;
}

/* lit from the northwest: the east faces in shade */
.ridge__shade {
  fill: rgb(29 43 51 / 0.07);
  animation: fade-in 0.4s ease-out 1.8s both;
}

.ridge__contour {
  fill: none;
  stroke: #c3ccc8;
  stroke-width: 1;
  animation: draw 0.6s ease-out 1.2s both;
}

.ridge__snow {
  fill: #fff;
  animation: fade-in 0.4s ease-out 2s both;
}

/* drawn left to right by widening its clip; a dash animation doesn't survive the stretched viewBox */
.ridge__line {
  fill: none;
  stroke: var(--granite);
  stroke-width: 2;
  stroke-linejoin: round;
  animation: draw 1.2s cubic-bezier(0.45, 0, 0.25, 1) 0.2s both;
}

/* spot height at the summit: 820/1200 across, 188/200 up */
.ridge__label {
  position: absolute;
  bottom: 94%;
  left: 68.3%;
  transform: translate(-50%, -0.25rem);
  color: rgb(255 255 255 / 0.55);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  animation: fade-in 0.4s ease-out 2.2s both;
}

@keyframes draw {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

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

@keyframes fill-up {
  from {
    opacity: 0;
    clip-path: inset(100% 0 0 0);
  }
  to {
    opacity: 1;
    clip-path: inset(0);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ridge * {
    animation: none !important;
  }
}

/* tagline and buttons beside the video; stacked and centered, text first, on narrow screens */
.intro {
  display: grid;
  width: 100%;
  max-width: 1080px;
  flex: 1;
  align-content: start;
  justify-items: center;
  gap: 2rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
  text-align: center;
}

.intro__tagline {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
}

.intro__sub {
  max-width: 38ch;
  margin: 0.75rem auto 0;
  color: var(--lichen);
  font-size: 1.0625rem;
}

/* four buttons the same size, two by two at every width */
.intro__actions {
  display: grid;
  width: 100%;
  max-width: 22rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.75rem auto 0;
}

/* phones: the text reads better left-aligned than centered */
@media (max-width: 429px) {
  .intro {
    justify-items: stretch;
    text-align: left;
  }

  .intro__sub,
  .intro__actions {
    margin-left: 0;
  }
}

@media (max-width: 399px) {
  .intro__tagline {
    font-size: 1.5rem;
  }

  .intro__actions {
    gap: 0.5rem;
  }

  .intro__actions .btn {
    padding: 0.5rem 0.625rem;
    font-size: 0.875rem;
  }
}

.intro__video {
  width: 100%;
  max-width: 32rem;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: 0.75rem;
  background: var(--sheet);
}

.intro__video video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* the temporary still keeps its own shape (a little taller than 16:9), uncropped */
.intro__video:has(img) {
  aspect-ratio: auto;
}

.intro__video img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 640px) {
  .band__inner {
    padding-top: 4rem;
    padding-bottom: 0.75rem;
  }

  .band__title {
    font-size: 3rem;
  }

  .ridge {
    height: 12rem;
  }
}

@media (min-width: 860px) {
  .intro {
    grid-template-columns: 1.35fr 1fr;
    align-items: center;
    justify-items: stretch;
    gap: 3rem;
    padding-top: 3.5rem;
    text-align: left;
  }

  .intro__sub,
  .intro__actions {
    margin-left: 0;
  }

  .intro__video {
    max-width: none;
    order: -1;
  }
}

/* the editor's button styles (app/editor/ui.ts), a little larger */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.125rem;
  border: 1px solid transparent;
  border-radius: 0.375rem;
  font: 500 0.9375rem/1.25 var(--font-sans);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color 0.15s,
    border-color 0.15s;
}

.btn:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--glacier);
  color: #fff;
}

.btn--primary:hover {
  background: var(--glacier-deep);
}

.btn--quiet {
  border-color: var(--hairline);
  background: var(--sheet);
  color: var(--ink);
}

.btn--quiet:hover {
  border-color: var(--lichen);
}

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.25rem;
  border-top: 1px solid var(--hairline);
  color: var(--lichen);
  font-size: 0.875rem;
}

.foot p {
  margin: 0;
}

/* two short lines, about as tall as one footer line */
.foot__made {
  display: flex;
  flex-direction: column;
  font-size: 0.8125rem;
  line-height: 1.3;
}

.foot a {
  color: var(--ink);
  font-weight: 500;
}

.foot__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}

.foot__legal button {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.foot__legal button:hover {
  color: var(--ink);
  text-decoration: underline;
}

.foot__legal button:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 2px;
}

/* phones: centered, "dedicated | made by …" on one row, the legal links under it */
@media (max-width: 599px) {
  .foot {
    flex-direction: column;
    text-align: center;
  }

  .foot__made {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0 0.5rem;
  }

  .foot__made p + p::before {
    content: "|";
    margin-right: 0.5rem;
    color: var(--hairline);
  }

  .foot__legal {
    justify-content: center;
  }
}

/* the legal pop-ups, as the editor's Modal.tsx */
dialog {
  width: calc(100% - 2rem);
  max-width: 480px;
  padding: 1.5rem;
  border: 0;
  border-radius: 0.75rem;
  background: var(--sheet);
  color: var(--ink);
  box-shadow: 0 24px 60px -20px rgb(29 43 51 / 0.5);
}

dialog::backdrop {
  background: rgb(29 43 51 / 0.45);
}

dialog[open] {
  animation: modal-in 160ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
  dialog[open] {
    animation: none;
  }
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.98);
  }
}

dialog h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.dialog__body {
  margin-top: 0.75rem;
  color: var(--lichen);
  font-size: 0.875rem;
  line-height: 1.6;
}

.dialog__body p {
  margin: 0 0 0.75rem;
}

dialog form {
  display: flex;
  justify-content: flex-end;
  margin-top: 1rem;
}