/* ─────────────────────────────────────────────────────────────────────────
   STUDIO · Linen
   Slow-fashion editorial e-commerce. Cream canvas, ink type, single olive
   accent. Restraint > decoration. Generous whitespace. The opposite of
   minimal in spirit while sharing its calm: minimal is warm rust-on-cream
   serif, Linen is olive-on-linen sans-with-italic-display.
   ───────────────────────────────────────────────────────────────────────── */

/* ── Tokens ── */
:root {
  /* Earth palette */
  --color-bg:          #F4EFE4;
  --color-paper:       #FBF8F1;
  --color-surface:     #ECE5D5;
  --color-surface-2:   #E1D8C2;
  --color-text:        #1A1815;
  --color-text-muted:  #6E6657;
  --color-text-soft:   #8E8675;
  --color-border:      #DCD3BD;
  --color-border-soft: #E8E0CC;
  --color-primary:     #1A1815;
  --color-accent:      #6B7558;        /* sycamore green */
  --color-accent-ink:  #FBF8F1;
  --color-secondary:   #B8845A;        /* clay */
  --color-success:     #5A7048;
  --color-danger:      #A14B3A;
  --color-overlay:     rgba(26, 24, 21, 0.55);

  /* Typography — italic display serif + clean grotesque body */
  --font-display: 'Playfair Display', 'Bodoni Moda', 'Times New Roman', serif;
  --font-body:    'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'SF Mono', Menlo, monospace;

  --text-xs:    0.6875rem;   /* 11 */
  --text-sm:    0.8125rem;   /* 13 */
  --text-base:  1rem;        /* 16 */
  --text-lg:    1.125rem;    /* 18 */
  --text-xl:    1.375rem;    /* 22 */
  --text-2xl:   1.875rem;    /* 30 */
  --text-3xl:   2.5rem;      /* 40 */
  --text-4xl:   3.25rem;     /* 52 */
  --text-5xl:   clamp(3rem, 5.5vw, 4.5rem);
  --text-6xl:   clamp(3.75rem, 7.5vw, 6rem);
  --text-7xl:   clamp(4.5rem, 10vw, 7.5rem);

  --leading-tight:  1.05;
  --leading-snug:   1.18;
  --leading-normal: 1.55;
  --leading-loose:  1.75;

  --tracking-display: -0.02em;
  --tracking-tight:   -0.015em;
  --tracking-normal:  0;
  --tracking-wide:    0.04em;
  --tracking-mono:    0.18em;

  /* Spatial rhythm — generous; the design IS the whitespace */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-7:  3rem;
  --space-8:  4.5rem;
  --space-10: 6.5rem;
  --space-12: 9rem;
  --space-16: 14rem;

  --container-max:  1340px;
  --container-pad:  clamp(1.25rem, 4vw, 3.5rem);
  --header-height:  76px;
  --radius:         0;
  --radius-sm:      0;
  --radius-pill:    999px;

  --hairline:       rgba(26, 24, 21, 0.10);
  --hairline-soft:  rgba(26, 24, 21, 0.06);

  --ease:        cubic-bezier(0.32, 0.72, 0.20, 1.0);
  --transition:  240ms var(--ease);
  --transition-slow: 600ms var(--ease);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Paper-grain texture overlay — subtle SVG noise for tactile feel.
   Sits above all content but doesn't intercept pointer events. The
   blend mode lets the cream show through warm. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='280' height='280'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.78' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.10 0 0 0 0 0.09 0 0 0 0 0.08 0 0 0 0.85 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

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

/* Default size for inline icons rendered via the icon snippet
   (snippets/icon.liquid → <svg class="icon icon-NAME">). Override per
   context if a specific component needs a different size. */
.icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Shared quantity selector — used on product detail + cart pages.
   Linen-style: thin border, mono numeral input, fine icon plus/minus. */
.quantity-selector {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--color-text);
  width: max-content;
  height: 44px;
}
.quantity-selector__btn {
  width: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.quantity-selector__btn:hover { background: var(--color-text); color: var(--color-paper); }
.quantity-selector__btn .icon { width: 12px; height: 12px; }
.quantity-selector__input {
  width: 48px;
  height: 100%;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-text);
  background: transparent;
  border: 0;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  padding: 0;
  -moz-appearance: textfield;
  appearance: textfield;
}
.quantity-selector__input::-webkit-outer-spin-button,
.quantity-selector__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
a { color: inherit; text-decoration: none; transition: color var(--transition), opacity var(--transition); }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
ul, ol { list-style: none; }
input, select, textarea { font: inherit; color: inherit; }

::selection { background: var(--color-accent); color: var(--color-accent-ink); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

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

/* ── Type ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  line-height: 0.98;
  letter-spacing: var(--tracking-display);
  color: var(--color-text);
}
h1 { font-size: var(--text-6xl); font-weight: 500; }
h2 { font-size: var(--text-4xl); font-weight: 400; }
h3 { font-size: var(--text-2xl); font-weight: 500; }
h4 {
  font-family: var(--font-body);
  font-style: normal;
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0;
}
.upright { font-style: normal; font-family: var(--font-body); font-weight: 600; letter-spacing: -0.01em; }

p { line-height: var(--leading-loose); color: inherit; }
p + p { margin-top: var(--space-4); }
strong, b { font-weight: 600; }
em, i { font-style: italic; }
small { font-size: var(--text-sm); color: var(--color-text-muted); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  /* Olive at rest — promote accent to a default state, not just hover. */
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}
.eyebrow--muted { color: var(--color-text-muted); }
.eyebrow--muted::before { background: var(--color-text-muted); }

/* ── Container ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}
.container--wide { max-width: 1640px; }
.container--narrow { max-width: 880px; }

/* Section vertical rhythm — generous Linen breathing room */
.section {
  padding-top: clamp(4rem, 9vw, 8.5rem);
  padding-bottom: clamp(4rem, 9vw, 8.5rem);
}
.section--snug { padding-top: clamp(3rem, 6vw, 5.5rem); padding-bottom: clamp(3rem, 6vw, 5.5rem); }

/* Hairline divider used between sections / header / footer */
.hairline {
  height: 1px;
  background: var(--hairline);
  border: 0;
  margin: 0;
}

/* Accent rule — thin olive-tinted divider between sections.
   Uses 1px background gradient: ink→olive→ink fading at edges. */
.rule-accent {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(to right, transparent 0%, var(--color-border) 12%, var(--color-accent) 50%, var(--color-border) 88%, transparent 100%);
}

/* Floating lot numeral — sits in the section's left margin on wide
   viewports, inline above the section title on narrow. Used as a
   "page-of-a-magazine" composition device. */
.section-lot {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.section-lot::after {
  content: '';
  display: inline-block;
  width: 36px;
  height: 1px;
  background: var(--color-accent);
}
@media (min-width: 1100px) {
  .section-lot--margin {
    position: absolute;
    left: clamp(0.75rem, 2vw, 2rem);
    top: clamp(4rem, 9vw, 8.5rem);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 11px;
  }
  .section-lot--margin::after { display: none; }
  .section-lot--margin::before {
    content: '';
    display: inline-block;
    width: 1px;
    height: 36px;
    background: var(--color-accent);
    margin-bottom: var(--space-3);
  }
}

/* Decorative italic glyph watermark — used in image-with-text + footer
   as a brand signature ("&" / "—" / "✦"). Positioned absolute behind
   content at low opacity. */
.brand-glyph {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--color-text);
  opacity: 0.06;
  user-select: none;
  pointer-events: none;
  line-height: 1;
}

/* Scroll-reveal — section opacity 0 + 12px down until [data-revealed]
   gets toggled by the IntersectionObserver in layout/theme.liquid. */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
  will-change: opacity, transform;
}
[data-reveal][data-revealed] {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  border: 1px solid currentColor;
  background: transparent;
  color: var(--color-text);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}
.btn:hover { background: var(--color-text); color: var(--color-bg); }
.btn--primary { background: var(--color-text); color: var(--color-bg); }
.btn--primary:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); }
.btn--ghost { border-color: transparent; padding-left: 0; padding-right: 0; }
.btn--ghost:hover { background: transparent; color: var(--color-accent); }
.btn--ghost::after {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: currentColor;
  margin-left: var(--space-3);
  transition: width var(--transition);
}
.btn--ghost:hover::after { width: 40px; }
.btn--block { display: flex; width: 100%; justify-content: center; }

/* Underline link — quiet hover affordance */
.link-quiet {
  position: relative;
  display: inline-block;
  padding-bottom: 1px;
}
.link-quiet::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(1);
  transform-origin: right center;
  transition: transform var(--transition);
}
.link-quiet:hover::after { transform: scaleX(0); transform-origin: left center; }

/* ── Form base ── */
input, textarea, select {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--color-text);
  padding: 12px 0;
  width: 100%;
  font-size: var(--text-base);
  outline: none;
  transition: border-color var(--transition);
}
input:focus, textarea:focus, select:focus { border-bottom-color: var(--color-accent); }
input::placeholder, textarea::placeholder { color: var(--color-text-soft); }

/* ── Animation primitives — used SPARINGLY ── */
@keyframes linen-fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.linen-fade-up { animation: linen-fade-up 700ms var(--ease) both; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Nav drawer (mobile) ── Hidden until [data-open] flips to true */
.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  visibility: hidden;
}
.nav-drawer--open { pointer-events: auto; visibility: visible; }

.nav-drawer__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  opacity: 0;
  transition: opacity 320ms var(--ease);
}
.nav-drawer--open .nav-drawer__overlay { opacity: 1; }

.nav-drawer__panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(85vw, 380px);
  background: var(--color-paper);
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
  transform: translateX(-100%);
  transition: transform 380ms var(--ease);
  box-shadow: 0 0 80px rgba(0,0,0,0.18);
}
.nav-drawer--open .nav-drawer__panel { transform: translateX(0); }

.nav-drawer__close {
  align-self: flex-end;
  margin-bottom: var(--space-5);
}
.nav-drawer__close button {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}
.nav-drawer__close .icon { width: 18px; height: 18px; }

.nav-drawer__links {
  display: grid;
  gap: var(--space-3);
}
.nav-drawer__link {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--color-text);
  padding: 6px 0;
  border-bottom: 1px solid var(--hairline);
}
.nav-drawer__link:hover { color: var(--color-accent); }

/* ── Cart drawer ── slides in from right on .cart-drawer--open
   The element is a custom element <cart-drawer>; CSS targets the class. */
cart-drawer,
.cart-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  visibility: hidden;
  display: block;
}
cart-drawer.cart-drawer--open,
.cart-drawer--open { pointer-events: auto; visibility: visible; }

.cart-drawer__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  opacity: 0;
  transition: opacity 320ms var(--ease);
}
.cart-drawer--open .cart-drawer__overlay { opacity: 1; }

.cart-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(92vw, 440px);
  background: var(--color-paper);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 380ms var(--ease);
  box-shadow: 0 0 80px rgba(0,0,0,0.18);
}
.cart-drawer--open .cart-drawer__panel { transform: translateX(0); }

.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid var(--hairline);
}
.cart-drawer__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.5rem;
  margin: 0;
}
.cart-drawer__close {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}
.cart-drawer__close .icon { width: 16px; height: 16px; }

.cart-drawer__body {
  flex: 1;
  padding: var(--space-5);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.cart-drawer__empty {
  margin: auto 0;
  text-align: center;
  display: grid;
  gap: var(--space-4);
  justify-items: center;
  color: var(--color-text-muted);
}
.cart-drawer__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--hairline);
}
.cart-drawer__item-img {
  width: 80px;
  height: 100px;
  object-fit: cover;
  background: var(--color-surface);
}
.cart-drawer__item-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  margin: 0 0 4px;
}
.cart-drawer__item-variant {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0;
}
.cart-drawer__footer {
  padding: var(--space-5);
  border-top: 1px solid var(--hairline);
  display: grid;
  gap: var(--space-3);
}
.cart-drawer__subtotal {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 14px;
}
.cart-drawer__subtotal strong {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.25rem;
}