/* Coil. Verdigris and porcelain, with copper as the one accent (brand/README.md).
   The marketing moments sit on verdigris; anything meant for reading sits on
   porcelain, which turns deep green in dark mode. */

@font-face {
  font-family: 'Unbounded';
  src: url('fonts/unbounded.woff2') format('woff2');
  font-weight: 500 800;
  font-display: swap;
}
@font-face {
  font-family: 'Atkinson Hyperlegible Next';
  src: url('fonts/atkinson-hyperlegible-next.woff2') format('woff2');
  font-weight: 400 800;
  font-display: swap;
}

:root {
  --verdigris: #22605A;
  --verdigris-deep: #143E39;
  --patina: #6FB3A3;
  --porcelain: #EEF1EC;
  --copper: #F2A468;
  --copper-hi: #F7B784;
  --copper-ink: #2A140A;
  --on-dark: #EEF1EC;
  --on-dark-soft: #C3D3CE;
  --on-dark-line: rgba(238, 241, 236, 0.2);

  /* the reading ground */
  --paper: #EEF1EC;
  --paper-alt: #E2E9E4;
  --text: #0E2A26;
  --text-soft: #4A5F5A;
  --link: #9C4A1A;
  --line: #C6D2CB;
  --wire: #B87333;         /* true copper: the wire on light grounds */
  --contour: rgba(184, 115, 51, 0.2);

  --display: 'Unbounded', 'Arial Black', 'Segoe UI', system-ui, sans-serif;
  --body: 'Atkinson Hyperlegible Next', 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0F2D29;
    --paper-alt: #133632;
    --text: #E6ECE8;
    --text-soft: #A8BAB4;
    --link: #F2A468;
    --line: #2B4B46;
    --wire: #F2A468;
    --contour: rgba(242, 164, 104, 0.13);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0F2D29;
  --paper-alt: #133632;
  --text: #E6ECE8;
  --text-soft: #A8BAB4;
  --link: #F2A468;
  --line: #2B4B46;
  --wire: #F2A468;
  --contour: rgba(242, 164, 104, 0.13);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 400 1.125rem/1.6 var(--body);
}
img, svg { max-width: 100%; }
img { height: auto; }
p, ul, ol, dl, figure { margin: 0; }
h1, h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.06;
  text-wrap: balance;
}
h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); font-weight: 650; }
h3 { margin: 0; font-size: 1.3125rem; line-height: 1.3; font-weight: 700; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--copper); outline-offset: 3px; border-radius: 4px; }
strong, b { font-weight: 700; }

.skip {
  position: absolute; left: 1rem; top: -5rem; z-index: 10;
  padding: 0.6rem 1rem; border-radius: 999px;
  background: var(--copper); color: var(--copper-ink); font-weight: 700; text-decoration: none;
}
.skip:focus { top: 1rem; }

.wrap { max-width: 74rem; margin-inline: auto; padding-inline: clamp(1rem, 5vw, 3rem); }
.band { padding-block: clamp(4rem, 9vw, 7.5rem); }
.band-dark { background: var(--verdigris); color: var(--on-dark); }
.band-deep { background: var(--verdigris-deep); color: var(--on-dark); }
.band-alt { background: var(--paper-alt); }
.band-dark a:not(.btn), .band-deep a:not(.btn), .page-head a:not(.btn) { color: var(--on-dark); text-decoration-color: var(--copper); }
.intro { margin-top: 1.25rem; max-width: 42ch; font-size: 1.25rem; line-height: 1.5; color: var(--text-soft); }
.band-dark .intro, .band-deep .intro { color: var(--on-dark-soft); }
.soft { color: var(--text-soft); }

/* buttons: pills, like the watch's own */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  min-height: 3rem; padding: 0.7rem 1.4rem;
  border: 2px solid transparent; border-radius: 999px;
  font: 700 1.0625rem/1.2 var(--body); text-decoration: none;
}
.btn-copper { background: var(--copper); color: var(--copper-ink); }
.btn-copper:hover { background: var(--copper-hi); }
.btn-ghost { border-color: currentColor; color: inherit; }
.btn-ghost:hover { background: rgba(238, 241, 236, 0.1); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1rem; margin-top: 2rem; }
/* before the store listing is live, the store buttons say "Coming soon" and go nowhere */
.btn-soon, .btn-copper.btn-soon:hover { background: transparent; border-color: var(--link); color: var(--link); cursor: default; }
.site-head .btn-soon, .hero .btn-soon, .band-dark .btn-soon, .band-deep .btn-soon, .page-head .btn-soon { border-color: var(--copper); color: var(--copper); }

/* header and footer */
.site-head { background: var(--verdigris); color: var(--on-dark); }
.head-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 2rem; padding-block: 1rem; }
.brand { display: block; margin-right: auto; line-height: 0; }
.brand img { height: 2.5rem; width: auto; }
.site-nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }
.site-nav a {
  padding-block: 0.35rem; border-bottom: 2px solid transparent;
  color: var(--on-dark); font-size: 1rem; font-weight: 700; text-decoration: none;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { border-color: var(--copper); }
.head-cta { min-height: 2.5rem; padding: 0.45rem 1.15rem; font-size: 1rem; }
@media (max-width: 680px) {
  .site-nav { order: 3; width: 100%; gap: 0.25rem 1.25rem; }
  .brand img { height: 2.1rem; }
}

.site-foot { background: var(--verdigris-deep); color: var(--on-dark); padding-block: 3.5rem 3rem; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem 3rem; }
.foot-brand img { height: 2rem; width: auto; }
.foot-brand p { margin-top: 0.75rem; color: var(--on-dark-soft); font-size: 1rem; }
.foot-nav { display: grid; grid-template-columns: repeat(2, max-content); gap: 0.5rem 2.5rem; align-content: start; }
.foot-nav a { color: var(--on-dark); font-size: 1rem; font-weight: 700; text-decoration: none; }
.foot-nav a:hover { text-decoration: underline; text-decoration-color: var(--copper); }
.legal {
  grid-column: 1 / -1; max-width: 80ch; padding-top: 1.5rem; border-top: 1px solid var(--on-dark-line);
  color: var(--on-dark-soft); font-size: 0.875rem; line-height: 1.55;
}
@media (max-width: 640px) { .foot-grid { grid-template-columns: 1fr; } }

/* the watch: a case, and a real screen from the app */
.watch { position: relative; aspect-ratio: 1; }
.watch .case { display: block; width: 100%; height: auto; }
.watch .screen { position: absolute; left: 13.37%; top: 13.37%; width: 73.26%; height: auto; border-radius: 50%; }
/* setup's moving screens: whole screens take turns, as the watch's UP and DOWN would turn them */
.flip .screen { opacity: 0; }
.flip .screen.on { opacity: 1; }
@media (prefers-reduced-motion: no-preference) { .flip .screen { transition: opacity 0.7s ease; } }

/* home: the hero, the watch inside its coil */
.hero { overflow: hidden; background: var(--verdigris); color: var(--on-dark); }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: center;
  gap: clamp(2rem, 5vw, 4rem); padding-block: clamp(3rem, 8vw, 6.5rem) clamp(4.5rem, 9vw, 7.5rem);
}
.hero h1 { max-width: 11ch; font-weight: 650; letter-spacing: -0.015em; }
.lede { margin-top: 1.5rem; max-width: 34ch; color: var(--on-dark-soft); font-size: clamp(1.15rem, 1.7vw, 1.375rem); line-height: 1.5; }
.note { margin-top: 1.25rem; color: var(--on-dark-soft); font-size: 0.9375rem; }
.hero-watch { position: relative; width: min(100%, 25rem); margin-inline: auto; }
.hero-watch .ring { position: absolute; left: -24.5%; top: -24.5%; width: 149%; max-width: none; height: 149%; overflow: visible; }
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-watch { width: min(72%, 21rem); margin-block: 2.5rem 1rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero-watch .wire { stroke-dasharray: 1; stroke-dashoffset: 1; animation: wind 2.2s cubic-bezier(0.55, 0, 0.25, 1) 0.3s forwards; }
  .hero-watch .bead { opacity: 0; animation: bead 0.4s ease-out 2.35s forwards; }
  @keyframes wind { to { stroke-dashoffset: 0; } }
  @keyframes bead { to { opacity: 1; } }
}

/* a sequence on a copper wire: the day with Coil, and setup */
.wire-list { position: relative; list-style: none; margin: 2.5rem 0 0; padding: 0; counter-reset: step; }
.wire-list::before {
  content: ""; position: absolute; left: calc(1.25rem - 1.5px); top: 1.25rem; bottom: 2rem; width: 3px;
  border-radius: 2px; background: var(--wire);
}
.wire-list > li { position: relative; padding: 0 0 2.25rem 4rem; counter-increment: step; }
.wire-list > li:last-child { padding-bottom: 0; }
.wire-list > li::before {
  content: counter(step);
  position: absolute; left: 0; top: -0.1rem; width: 2.5rem; height: 2.5rem; border-radius: 50%;
  background: var(--copper); color: var(--copper-ink);
  font: 700 1.05rem/2.5rem var(--display); text-align: center;
}
.wire-list h3 { margin-bottom: 0.35rem; }
.wire-list p { max-width: 52ch; color: var(--text-soft); }
/* on wide screens the day runs across the page, the wire under the beads */
@media (min-width: 861px) {
  .wire-list.across { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 3rem; margin-top: 3.5rem; }
  .wire-list.across::before { left: 1.25rem; right: 0; top: calc(1.25rem - 1.5px); bottom: auto; width: auto; height: 3px; }
  .day .wire-list.across::before { background: repeating-linear-gradient(90deg, var(--wire) 0 12px, transparent 12px 21px); }
  .wire-list.across > li { padding: 4rem 0 0; }
  .wire-list.across > li::before { top: 0; }
}

.day-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); align-items: center; gap: clamp(2rem, 6vw, 5rem); }
.day-watch { width: min(100%, 22rem); margin-inline: auto; }
.day-watch figcaption, .dial-watch figcaption { margin-top: 1rem; color: var(--text-soft); font-size: 0.9375rem; text-align: center; }
@media (max-width: 820px) { .day-grid { grid-template-columns: 1fr; } .day-watch { width: min(70%, 18rem); } }

/* Trailhead's run: contour lines in two corners of the day, its moments on a dashed trail */
.day { position: relative; overflow: hidden; }
.day > .contours { position: absolute; width: min(44rem, 85vw); aspect-ratio: 1; height: auto; max-width: none; pointer-events: none; }
.day > .contours.tr { top: 0; right: 0; transform: translate(38%, -42%); }
.day > .contours.bl { bottom: 0; left: 0; transform: translate(-46%, 48%); }
.contours path { fill: none; stroke: var(--contour); stroke-width: 1.1; }
.contours path.index { stroke-width: 2; }
.day > .wrap { position: relative; }
.day .wire-list::before { background: repeating-linear-gradient(180deg, var(--wire) 0 10px, transparent 10px 18px); }

/* home: the Dial, on the real screens */
.dial-grid { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); align-items: center; gap: clamp(2rem, 6vw, 5rem); }
.dial-watch { width: min(100%, 25rem); margin-inline: auto; }
.band-dark .dial-watch figcaption { color: var(--on-dark-soft); }
.controls {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 2rem;
  margin-top: 2rem; padding: 0; list-style: none; border-top: 1px solid var(--on-dark-line);
}
.controls li { border-bottom: 1px solid var(--on-dark-line); }
.controls button {
  display: block; width: 100%; margin: 0; padding: 0.9rem 0; border: 0; background: none;
  color: inherit; font: inherit; text-align: left; cursor: pointer;
}
.controls b { display: block; font-size: 1.0625rem; }
.controls span { display: block; margin-top: 0.15rem; color: var(--on-dark-soft); font-size: 0.9375rem; line-height: 1.45; }
.controls button:hover b { color: var(--copper-hi); }
.controls button[aria-pressed="true"] b { color: var(--copper); }
.controls button[aria-pressed="true"] b::before {
  content: ""; display: inline-block; width: 0.6rem; height: 0.6rem; margin-right: 0.5rem;
  border-radius: 50%; background: var(--copper); vertical-align: 0.1em;
}
@media (max-width: 860px) { .dial-grid { grid-template-columns: 1fr; } .dial-watch { width: min(72%, 20rem); } }
@media (max-width: 520px) { .controls { grid-template-columns: 1fr; } }

/* home: trust, range, what it works with */
.split { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(2rem, 6vw, 5rem); }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.facts { margin: 0; padding: 0; list-style: none; }
.facts li { padding-block: 1.25rem; border-top: 1px solid var(--line); }
.facts li:last-child { border-bottom: 1px solid var(--line); }
.facts h3 { margin-bottom: 0.3rem; }
.facts p { max-width: 58ch; color: var(--text-soft); }

.pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 3rem; border-top: 1px solid var(--on-dark-line); }
.pair > div { padding: 2rem 2.5rem 0 0; }
.pair > div + div { padding: 2rem 0 0 2.5rem; border-left: 1px solid var(--on-dark-line); }
.pair h3 { margin-bottom: 0.5rem; }
.pair p { max-width: 48ch; color: var(--on-dark-soft); }
.pair .when { margin-bottom: 0.75rem; color: var(--copper); font-weight: 700; }
@media (max-width: 760px) {
  .pair { grid-template-columns: 1fr; }
  .pair > div, .pair > div + div { padding: 2rem 0 0; border-left: 0; }
}

.compat { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem clamp(2rem, 6vw, 5rem); margin-top: 2.5rem; }
.compat h3 { margin-bottom: 0.75rem; }
.compat ul { padding-left: 1.2rem; }
.compat li + li { margin-top: 0.3rem; }
.compat p { margin-top: 1rem; color: var(--text-soft); }
@media (max-width: 700px) { .compat { grid-template-columns: 1fr; } }

.price-line { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.25rem 1rem; margin-top: 1.5rem; }
.price-line .price { font: 700 clamp(3rem, 7vw, 5rem)/1 var(--display); letter-spacing: -0.03em; }
.price-line .per { color: var(--text-soft); font-size: 1.25rem; }

.closing h2 { max-width: 13ch; font-size: clamp(2.3rem, 5.4vw, 4rem); }

/* questions */
.faq { margin-top: 2rem; }
.faq h2 + details, .faq h3 + details { margin-top: 1rem; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-of-type { border-bottom: 1px solid var(--line); }
.faq summary {
  position: relative; padding: 1.1rem 2.75rem 1.1rem 0; cursor: pointer; list-style: none;
  font-size: 1.125rem; font-weight: 700;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 0.4rem; top: 50%; width: 0.65rem; height: 0.65rem;
  border-right: 2px solid var(--link); border-bottom: 2px solid var(--link);
  transform: translateY(-70%) rotate(45deg);
}
.faq details[open] summary::after { transform: translateY(-25%) rotate(-135deg); }
.faq details > div { max-width: 65ch; padding-bottom: 1.4rem; color: var(--text-soft); }
.faq details > div p + p { margin-top: 0.8rem; }
.faq-group + .faq-group { margin-top: 3.5rem; }
.faq-group h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); }
.faq-page { max-width: 52rem; margin-top: 0; }

/* inner pages */
.page-head { background: var(--verdigris); color: var(--on-dark); padding-block: clamp(3rem, 7vw, 5.5rem) clamp(3rem, 7vw, 5rem); }
.page-head h1 { max-width: 17ch; font-size: clamp(2.2rem, 5vw, 3.6rem); }
.page-head p { max-width: 46ch; margin-top: 1rem; color: var(--on-dark-soft); font-size: 1.25rem; line-height: 1.5; }

.prose { max-width: 44rem; }
.prose h2 { margin: 3rem 0 1rem; font-size: clamp(1.45rem, 2.6vw, 1.9rem); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 2rem 0 0.5rem; }
.prose p, .prose ul, .prose ol { margin-bottom: 1rem; }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li + li { margin-top: 0.35rem; }
.prose .updated { color: var(--text-soft); font-size: 1rem; }
.address { display: inline-block; padding: 0.5rem 0.9rem; border: 1px solid var(--line); border-radius: 999px; font-weight: 700; user-select: all; }

/* setup */
.setup-steps { margin-top: 0; }
.setup-steps > li { display: grid; grid-template-columns: minmax(0, 1fr) 14rem; gap: 1.5rem 2.5rem; align-items: start; padding-bottom: 3.5rem; }
.setup-steps .watch { width: 14rem; }
.setup-steps .how { margin-top: 0.75rem; color: var(--text-soft); }
@media (max-width: 720px) {
  .setup-steps > li { grid-template-columns: 1fr; }
  .setup-steps .watch { width: min(100%, 12rem); }
}
.menu-list { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 0.6rem 1.5rem; margin-top: 1.5rem; }
.menu-list dt { font-weight: 700; }
.menu-list dd { margin: 0; color: var(--text-soft); }
@media (max-width: 560px) { .menu-list { grid-template-columns: 1fr; gap: 0.1rem; } .menu-list dd { margin-bottom: 0.75rem; } }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 3rem; }
.plan { padding: 0 clamp(1rem, 2.5vw, 2.25rem); border-left: 1px solid var(--line); }
.plan:first-child { padding-left: 0; border-left: 0; }
.plan:last-child { padding-right: 0; }
.plan .status { color: var(--text-soft); font-size: 1rem; font-weight: 700; }
.plan .status.now { color: var(--link); }
.plan h2 { margin-top: 0.5rem; font-size: clamp(1.4rem, 2.4vw, 1.75rem); }
.plan .price { margin-top: 1.25rem; font: 700 clamp(2.4rem, 4vw, 3.2rem)/1 var(--display); letter-spacing: -0.03em; }
.plan .per { margin-top: 0.4rem; color: var(--text-soft); font-size: 1rem; }
.plan ul { margin-top: 1.5rem; padding-left: 1.15rem; }
.plan li + li { margin-top: 0.4rem; }
.plan .btn { margin-top: 1.75rem; }
.plan.later .price { color: var(--text-soft); }
@media (max-width: 900px) {
  .plans { grid-template-columns: 1fr; }
  .plan, .plan:first-child { padding: 2rem 0; border-left: 0; border-top: 1px solid var(--line); }
}
.allowance { width: 100%; margin-top: 1.5rem; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.allowance th, .allowance td { padding: 0.75rem 1rem 0.75rem 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.allowance th { font-size: 1rem; }
.allowance td:not(:first-child), .allowance th:not(:first-child) { text-align: right; }
.table-scroll { overflow-x: auto; }

/* press and brand */
.logo-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; }
.logo-tile { display: grid; place-items: center; min-height: 13rem; padding: 2rem; border-radius: 1rem; }
.logo-tile img { width: min(100%, 15rem); }
.logo-tile.dark { background: var(--verdigris); }
.logo-tile.light { background: #FFFFFF; border: 1px solid var(--line); }
.logo-tile.mark img { width: 7rem; }
.downloads { margin-top: 1rem; font-size: 1rem; }
.swatches { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; }
@media (max-width: 1000px) { .swatches { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 560px) { .swatches { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.swatch { border: 1px solid var(--line); border-radius: 1rem; overflow: hidden; }
.swatch i { display: block; height: 6rem; }
.swatch div { padding: 0.75rem 1rem 1rem; font-size: 0.9375rem; }
.swatch b { display: block; font-size: 1rem; }
.swatch code { font-family: inherit; color: var(--text-soft); }
@media (max-width: 640px) { .logo-tiles { grid-template-columns: 1fr; } }

/* not found */
.lost { min-height: 50vh; }