/* ARRO — shared shell, type scale, and components.
   Page specific rules live in assets/css/<page>.css. */

:root {
  --ink: #14130f;
  --ink-soft: #3a362f;
  --ink-mute: #6f685c;
  --cream: #f4efe6;
  --cream-deep: #ebe4d8;
  --stone: #cfc7bd;
  --paper: #fbf9f5;
  --burgundy: #6e2b34;
  --gold: #a8842a;
  --line: rgba(20, 19, 15, 0.14);
  --line-soft: rgba(20, 19, 15, 0.08);

  --display: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --ui: "Inter", "Helvetica Neue", Arial, sans-serif;

  --gutter: clamp(1.25rem, 5vw, 4.5rem);
  --shell: 1560px;
  --head-h: 68px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --slow: 0.9s;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--ui);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.65;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-locked {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

h1,
h2,
h3,
h4,
p,
figure,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 3px;
}

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

.skip {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--cream);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.skip:focus {
  top: 1rem;
}

/* ---------- type ---------- */

.display {
  font-family: var(--display);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: 0.01em;
  font-size: clamp(2.3rem, 5.4vw, 4.6rem);
}

.display--xl {
  font-size: clamp(3rem, 9vw, 7.5rem);
  line-height: 0.95;
}

.display--sm {
  font-size: clamp(1.75rem, 3.2vw, 2.6rem);
}

.label {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.lede {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 60ch;
}

.tibetan {
  font-size: 1.1em;
  letter-spacing: 0;
}

/* ---------- shell ---------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(4.5rem, 10vw, 9rem);
}

.section--tight {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  padding-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.section__head h2 {
  flex: 1 1 18ch;
}

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* ---------- buttons and links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2rem;
  background: var(--ink);
  color: var(--cream);
  border: 1px solid var(--ink);
  border-radius: 0;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: background var(--ease) 0.4s, color var(--ease) 0.4s;
}

.btn:hover {
  background: transparent;
  color: var(--ink);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--cream);
}

.btn--light {
  background: transparent;
  color: var(--cream);
  border-color: rgba(244, 239, 230, 0.6);
}

.btn--light:hover {
  background: var(--cream);
  color: var(--ink);
}

.btn--block {
  width: 100%;
}

.link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease) 0.4s, gap var(--ease) 0.4s;
}

.link:hover {
  border-color: var(--ink);
  gap: 0.9rem;
}

/* ---------- header ---------- */

.site-head {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  color: var(--cream);
  transition: background var(--ease) 0.5s, color var(--ease) 0.5s, border-color var(--ease) 0.5s;
  border-bottom: 1px solid transparent;
}

.site-head__bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  height: var(--head-h);
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-head.is-solid,
.site-head.is-open {
  background: var(--cream);
  color: var(--ink);
  border-bottom-color: var(--line-soft);
}

.page-shop .site-head,
.page-contact .site-head,
.page-product .site-head {
  background: var(--cream);
  color: var(--ink);
  border-bottom-color: var(--line-soft);
}

.wordmark {
  grid-column: 2;
  justify-self: center;
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 400;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  line-height: 1;
}

.site-nav {
  grid-column: 1;
  justify-self: start;
  display: flex;
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  padding-block: 0.4rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.1rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease) 0.45s;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.page-shop .site-nav [data-nav="shop"]::after,
.page-story .site-nav [data-nav="story"]::after,
.page-contact .site-nav [data-nav="contact"]::after {
  transform: scaleX(1);
}

.site-head__bag {
  grid-column: 3;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0;
  background: none;
  border: 0;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.site-head__count {
  min-width: 1.4em;
  padding: 0.05em 0.4em;
  border: 1px solid currentColor;
  font-size: 0.62rem;
  text-align: center;
}

.site-head__burger {
  grid-column: 1;
  justify-self: start;
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
  padding: 6px 0;
  background: none;
  border: 0;
}

.site-head__burger span:not(.sr) {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform var(--ease) 0.4s, opacity var(--ease) 0.3s;
}

.site-head.is-open .site-head__burger span:not(.sr):first-of-type {
  transform: translateY(3px) rotate(45deg);
}

.site-head.is-open .site-head__burger span:not(.sr):last-of-type {
  transform: translateY(-3px) rotate(-45deg);
}

.site-menu {
  background: var(--cream);
  color: var(--ink);
  border-top: 1px solid var(--line-soft);
  padding: 2rem var(--gutter) 2.5rem;
}

.site-menu nav {
  display: grid;
  gap: 1.1rem;
  font-family: var(--display);
  font-size: 2rem;
  letter-spacing: 0.04em;
}

.site-menu__greet {
  margin-top: 2rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
}

/* ---------- bag ---------- */

.bag {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: 1fr minmax(300px, 420px);
}

.bag[hidden] {
  display: none;
}

.bag__scrim {
  grid-column: 1;
  grid-row: 1;
  background: rgba(20, 19, 15, 0.45);
  border: 0;
  padding: 0;
  animation: fade 0.4s var(--ease);
}

.bag__panel {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border-left: 1px solid var(--line-soft);
  padding: 1.5rem clamp(1.25rem, 2.5vw, 2rem) 1.75rem;
  overflow-y: auto;
  animation: slide 0.5s var(--ease);
}

.bag__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line-soft);
}

.bag__close {
  background: none;
  border: 0;
  padding: 0;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.bag__items {
  display: grid;
  gap: 1.1rem;
  padding-block: 1.25rem;
}

.bag__item {
  display: grid;
  grid-template-columns: 66px 1fr auto;
  gap: 0.9rem;
  align-items: center;
}

.bag__item img {
  background: var(--cream-deep);
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.bag__item h3 {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.2;
}

.bag__item p {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
}

.bag__remove {
  background: none;
  border: 0;
  padding: 0.2rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.bag__remove:hover {
  color: var(--burgundy);
}

.bag__empty {
  padding-block: 1.5rem;
  font-size: 0.9rem;
  color: var(--ink-mute);
}

.bag__foot {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 0.9rem;
}

.bag__total {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.bag__note {
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--ink-mute);
}

@keyframes slide {
  from {
    transform: translateX(100%);
  }
}

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

/* ---------- product cards ---------- */

.grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.75rem) clamp(1rem, 2vw, 2rem);
}

.grid--products {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  position: relative;
}

/* Shop filters hide cards with the hidden attribute, and not every browser
   marks the UA rule important. */
.card[hidden] {
  display: none;
}

.card__frame {
  display: block;
  position: relative;
  overflow: hidden;
  background: var(--cream-deep);
  aspect-ratio: 4 / 3;
}

.card__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease), opacity 0.6s var(--ease);
}

.card:hover .card__frame img {
  transform: scale(1.035);
}

.card__frame--soon {
  display: grid;
  place-items: center;
  border: 1px solid var(--line-soft);
  background: repeating-linear-gradient(
    135deg,
    var(--cream-deep) 0 14px,
    rgba(235, 228, 216, 0.55) 14px 28px
  );
}

.card__soon {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.card__line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.2rem;
}

.card__name {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.15;
}

.card__price {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.card__colour {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* Sizes are chosen on the product page, so a card is a link, not a quick add. */
.card__view {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  transform: translate(-50%, 0.6rem);
  padding: 0.6rem 1.5rem;
  background: var(--ink);
  color: var(--cream);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity var(--ease) 0.35s, transform var(--ease) 0.35s;
}

.card__frame:hover .card__view,
.card__frame:focus-visible .card__view {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- detail strip ---------- */

.strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(230px, 1fr);
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 0.75rem;
  scrollbar-width: thin;
}

.strip__item {
  scroll-snap-align: start;
}

.strip__item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--cream-deep);
}

.strip__item figcaption {
  display: grid;
  gap: 0.15rem;
  padding-top: 0.65rem;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.strip__note {
  letter-spacing: 0.1em;
  text-transform: none;
  color: var(--ink-mute);
}

/* ---------- footer ---------- */

.site-foot {
  background: var(--ink);
  color: var(--cream);
  padding: clamp(3.5rem, 7vw, 6rem) var(--gutter) 2rem;
}

.site-foot .label {
  color: rgba(244, 239, 230, 0.55);
}

.signup {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: clamp(1.75rem, 4vw, 4rem);
  align-items: end;
  max-width: var(--shell);
  margin-inline: auto;
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid rgba(244, 239, 230, 0.16);
}

.signup__text h2 {
  padding-top: 0.75rem;
}

.signup__note {
  padding-top: 1rem;
  max-width: 44ch;
  color: rgba(244, 239, 230, 0.68);
  font-size: 0.92rem;
}

.signup__form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
}

.signup__form input {
  padding: 0.95rem 1rem;
  background: transparent;
  border: 1px solid rgba(244, 239, 230, 0.35);
  color: var(--cream);
  font: inherit;
  font-size: 0.92rem;
}

.signup__form input::placeholder {
  color: rgba(244, 239, 230, 0.45);
}

.signup__form input:focus-visible {
  outline-color: var(--cream);
}

.signup__form .btn {
  background: var(--cream);
  color: var(--ink);
  border-color: var(--cream);
}

.signup__form .btn:hover {
  background: transparent;
  color: var(--cream);
}

.signup__status {
  grid-column: 1 / -1;
  min-height: 1.2em;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(244, 239, 230, 0.7);
}

.site-foot__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(130px, 0.8fr));
  gap: clamp(1.75rem, 3vw, 3rem);
  max-width: var(--shell);
  margin-inline: auto;
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.site-foot__grid nav,
.site-foot__grid > div {
  display: grid;
  gap: 0.55rem;
  align-content: start;
  font-size: 0.85rem;
}

.site-foot__grid .label {
  padding-bottom: 0.45rem;
}

.site-foot__grid a {
  width: fit-content;
  color: rgba(244, 239, 230, 0.78);
  transition: color var(--ease) 0.3s;
}

.site-foot__grid a:hover {
  color: var(--cream);
}

.wordmark--foot {
  font-size: 1.6rem;
}

.site-foot__tag {
  padding-top: 0.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(244, 239, 230, 0.6);
}

.site-foot__line {
  color: rgba(244, 239, 230, 0.78);
}

.site-foot__rule {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: var(--shell);
  margin-inline: auto;
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid rgba(244, 239, 230, 0.16);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(244, 239, 230, 0.7);
}

.site-foot__greet {
  letter-spacing: 0.12em;
  text-transform: none;
}

.site-foot__fine {
  max-width: var(--shell);
  margin-inline: auto;
  padding-top: 1.5rem;
  font-size: 0.72rem;
  color: rgba(244, 239, 230, 0.45);
}

/* ---------- reveal ---------- */

/* Scoped to .js so the page still reads with scripting off. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}

.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  :root {
    --head-h: 58px;
  }

  .site-head__burger {
    display: flex;
  }

  .site-nav {
    display: none;
  }

  .site-foot__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-foot__rule {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .card__view {
    display: none;
  }
}

@media (min-width: 901px) {
  .site-menu {
    display: none;
  }
}

@media (max-width: 560px) {
  .signup__form {
    grid-template-columns: 1fr;
  }

  .site-foot__grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: -1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}