/* =========================================================================
   ATX WRITING CLUB — DESIGN SYSTEM
   "Paper & Rust" · v1.0
   -------------------------------------------------------------------------
   Two inks on warm paper, borrowed from the West Texas screen-print set,
   set on an editorial grid with slow, confident motion.

   Contents
     01  Fonts
     02  Tokens
     03  Reset & base
     04  Typography
     05  Layout & grid
     06  Rules, marks & ornament
     07  Buttons & links
     08  Forms
     09  Media
     10  Motion primitives
     11  Header & navigation
     12  Footer
     13  Utilities
   ========================================================================= */

/* -- 01  FONTS ----------------------------------------------------------- */
/* @font-face lives in fonts.css, generated at build time with the woff2 files
   embedded as data URIs. That is one fewer round trip, no FOUT, and — the
   reason it matters here — it means the site renders correctly when opened
   straight off disk with file://, where cross-origin font requests are blocked. */

/* -- 02  TOKENS ---------------------------------------------------------- */

:root {
  /* ---- ink ---- */
  --paper:        #F2E4C8;   /* primary ground — the pack's suggested paper, warmed */
  --paper-hi:     #FBF3E2;   /* raised card / lifted surface */
  --paper-lo:     #E7D6B2;   /* recessed band */
  --paper-edge:   #DCC79E;   /* the darkest paper step, for chips & wells */

  --ink:          #1C1610;   /* display + body            14.3:1 on paper */
  --ink-2:        #4A3E31;   /* secondary                  8.3:1 */
  --ink-3:        #6B5B45;   /* meta, captions             5.2:1 */
  --ink-4:        #7A6A54;   /* placeholder & hairline     4.2:1 — never body copy */

  --rust:         #C8431F;   /* the burnt-rust ink, display use */
  --rust-ink:     #B03A19;   /* rust that is safe as body-size text  4.8:1 */
  --rust-bright:  #D64B24;   /* exact pack ink — for art-matched moments only */
  --olive:        #7C6417;   /* second ink */
  --olive-ink:    #6E5813;   /* olive safe as text  5.4:1 */

  --night:        #14100B;   /* inverted ground */
  --night-2:      #211A12;
  --night-3:      #2E251A;
  --on-night:     #F2E4C8;
  --on-night-2:   #B8A588;   /* 7.9:1 on night */
  --on-night-3:   #9C8A6B;
  --rust-night:   #E2683F;   /* rust that reads on night  5.7:1 */

  --rule:         color-mix(in srgb, var(--ink) 16%, transparent);
  --rule-strong:  color-mix(in srgb, var(--ink) 30%, transparent);
  --rule-night:   color-mix(in srgb, var(--on-night) 18%, transparent);

  /* ---- type ---- */
  --f-display: 'Instrument Serif', 'Times New Roman', serif;
  --f-body:    'Newsreader', Georgia, 'Times New Roman', serif;
  --f-label:   'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --f-poster:  'Bebas Neue', 'Archivo', Impact, sans-serif;

  --t-hero:  clamp(3.75rem, 12.2vw, 12.5rem);
  --t-d1:    clamp(2.9rem,  7.4vw,  7rem);
  --t-d2:    clamp(2.1rem,  4.4vw,  4rem);
  --t-d3:    clamp(1.65rem, 2.9vw,  2.6rem);
  --t-d4:    clamp(1.3rem,  1.9vw,  1.6rem);
  --t-lead:  clamp(1.1875rem, 1.55vw, 1.5rem);
  --t-body:  clamp(1.0625rem, 1.06vw, 1.1875rem);
  --t-small: 0.9375rem;
  --t-meta:  0.8125rem;
  --t-label: 0.6875rem;
  --t-micro: 0.625rem;

  /* ---- space ---- */
  --gut:      clamp(1.25rem, 4.2vw, 3.75rem);   /* page gutter */
  --s-1: 0.25rem;  --s-2: 0.5rem;   --s-3: 0.75rem;  --s-4: 1rem;
  --s-5: 1.5rem;   --s-6: 2rem;     --s-7: 3rem;     --s-8: 4rem;
  --s-9: 6rem;     --s-10: 8rem;    --s-11: 12rem;
  --band:     clamp(4.5rem, 11vh, 10rem);        /* vertical section rhythm */
  --band-lg:  clamp(7rem, 17vh, 15rem);
  --measure:  40rem;                             /* 640px reading measure */
  --max:      92rem;

  /* ---- motion ---- */
  --e-expo:  cubic-bezier(.16, 1, .30, 1);
  --e-quint: cubic-bezier(.22, 1, .36, 1);
  --e-quart: cubic-bezier(.76, 0, .24, 1);
  --e-soft:  cubic-bezier(.33, .01, 0, 1);
  --d-fast:  340ms;
  --d-base:  800ms;
  --d-slow:  1200ms;
  --d-image: 1600ms;

  --header-h: 74px;
  --grain: .034;
}

@media (max-width: 800px) {
  :root {
    --header-h: 64px;
    --t-label: 0.75rem;    /* 12px — 11px reads thin at arm's length */
    --t-micro: 0.75rem;    /* 12px */
    --t-meta:  0.875rem;   /* 14px */
    --t-small: 1rem;       /* 16px — no body-adjacent text below 16 on a phone */
  }
}

/* -- 03  RESET & BASE ---------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--t-body);
  font-weight: 380;
  line-height: 1.62;
  font-variant-numeric: oldstyle-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

/* The paper grain. One fixed layer over the whole document — it is what stops
   the flat colour reading as "web" and starts it reading as "printed". */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9000;
  opacity: var(--grain);
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

img, picture, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }

::selection { background: var(--rust); color: var(--paper-hi); }

:focus-visible {
  outline: 2px solid var(--rust-ink);
  outline-offset: 3px;
  border-radius: 1px;
}

.skip {
  position: absolute; left: var(--gut); top: -100px;
  z-index: 10000; background: var(--ink); color: var(--paper);
  padding: .75rem 1.25rem; font-family: var(--f-label);
  font-size: var(--t-label); letter-spacing: .16em; text-transform: uppercase;
  text-decoration: none; transition: top 200ms var(--e-expo);
}
.skip:focus { top: 12px; }

/* -- 04  TYPOGRAPHY ------------------------------------------------------ */

/* Tracking law: the larger the type, the tighter it is set.
   ≥72px −.028em · 48–72 −.022 · 32–48 −.016 · 15–20 0 · caps 10–13 +.14 */

.display, h1, h2, h3 {
  font-family: var(--f-display);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.022em;
  text-wrap: balance;
}

.t-hero { font-family: var(--f-display); font-size: var(--t-hero); line-height: .92; letter-spacing: -.032em; }
.t-d1   { font-family: var(--f-display); font-size: var(--t-d1);   line-height: .97; letter-spacing: -.026em; }
.t-d2   { font-family: var(--f-display); font-size: var(--t-d2);   line-height: 1.03; letter-spacing: -.020em; }
.t-d3   { font-family: var(--f-display); font-size: var(--t-d3);   line-height: 1.12; letter-spacing: -.014em; }
.t-d4   { font-family: var(--f-display); font-size: var(--t-d4);   line-height: 1.2;  letter-spacing: -.008em; }

/* Signature device, borrowed and made ours: italic on the function words. */
.t-hero em, .t-d1 em, .t-d2 em, .t-d3 em, .t-d4 em {
  font-style: italic;
  letter-spacing: -.01em;
}

.lead {
  font-size: var(--t-lead);
  line-height: 1.48;
  font-weight: 330;
  color: var(--ink-2);
  max-width: 36ch;
  text-wrap: pretty;
}

.prose { max-width: var(--measure); }
.prose p + p { margin-top: 1.15em; }
.prose p { text-wrap: pretty; hyphens: auto; }
.prose > * + h3, .prose > * + h4 { margin-top: 2.2em; }
.prose h4 {
  font-family: var(--f-label); font-size: var(--t-label);
  letter-spacing: .16em; text-transform: uppercase; font-weight: 620;
  color: var(--rust-ink); margin-bottom: .9em;
}
.prose em { font-style: italic; }
.prose strong { font-weight: 600; }

/* Drop-cap on the first paragraph of long-form pieces. */
.prose--feature > p:first-of-type::first-letter {
  font-family: var(--f-display);
  float: left;
  font-size: 4.1em;
  line-height: .78;
  padding: .06em .1em 0 0;
  color: var(--rust);
}

.pull {
  font-family: var(--f-display);
  font-size: var(--t-d3);
  line-height: 1.14;
  letter-spacing: -.016em;
  color: var(--ink);
  margin: clamp(2.5rem, 6vh, 4.5rem) 0;
  padding-left: clamp(1rem, 3vw, 2.25rem);
  border-left: 1px solid var(--rust);
  text-wrap: balance;
}

.label {
  font-family: var(--f-label);
  font-size: var(--t-label);
  font-weight: 620;
  font-stretch: 105%;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
  line-height: 1.25;
}
.label--rust { color: var(--rust-ink); }
.label--night { color: var(--on-night-2); }

.poster {
  font-family: var(--f-poster);
  text-transform: uppercase;
  letter-spacing: .012em;
  line-height: .88;
}

.meta {
  font-family: var(--f-label);
  font-size: var(--t-meta);
  font-weight: 420;
  color: var(--ink-3);
  letter-spacing: .01em;
}

.num {
  font-family: var(--f-label);
  font-size: var(--t-micro);
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--ink-3);
  font-variant-numeric: lining-nums tabular-nums;
}

/* -- 05  LAYOUT & GRID --------------------------------------------------- */

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gut); }
.wrap--wide { max-width: 116rem; }
.wrap--tight { max-width: 62rem; }

.band   { padding-block: var(--band); }
.band-lg{ padding-block: var(--band-lg); }
.band-t { padding-top: var(--band); }
.band-b { padding-bottom: var(--band); }

.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--s-6) clamp(1rem, 2.4vw, 2rem); }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(6, 1fr); } }

/* end-only, so an inline grid-column-start still spans correctly */
.c1{grid-column-end:span 1}.c2{grid-column-end:span 2}.c3{grid-column-end:span 3}
.c4{grid-column-end:span 4}.c5{grid-column-end:span 5}.c6{grid-column-end:span 6}
.c7{grid-column-end:span 7}.c8{grid-column-end:span 8}.c9{grid-column-end:span 9}
.c10{grid-column-end:span 10}.c11{grid-column-end:span 11}.c12{grid-column-end:span 12}
@media (max-width: 900px) {
  .c3,.c4,.c5 { grid-column: span 3 !important; }
  .c6,.c7,.c8,.c9,.c10,.c11,.c12 { grid-column: span 6 !important; }
  .m-full { grid-column: span 6 !important; }
}
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } [class*="c"] { grid-column: 1 / -1 !important; } }

.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--s-5); padding-bottom: var(--s-4);
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(2rem, 5vh, 4rem);
}
.section-head__n { white-space: nowrap; }
/* The kicker is nowrap so a short count never breaks mid-phrase. Longer ones
   ("Season 01 — The West Texas capsule") then push the document sideways on a
   phone, so below 700px the head stacks and the kicker is allowed to wrap. */
@media (max-width: 700px) {
  .section-head { flex-wrap: wrap; }
  .section-head__n { white-space: normal; }
}

/* Inverted ground */
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) { background: var(--night); color: var(--on-night); }
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .label { color: var(--on-night-2); }
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .lead, :is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .meta { color: var(--on-night-2); }
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .section-head { border-color: var(--rule-night); }
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .num { color: var(--on-night-2); }
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) ::selection { background: var(--rust-night); color: var(--night); }

.paper-lo { background: var(--paper-lo); }

/* -- 06  RULES, MARKS & ORNAMENT ---------------------------------------- */

.rule { height: 1px; background: var(--rule); border: 0; }
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .rule { background: var(--rule-night); }

/* Decorative screen-print elements from the asset pack. They sit behind and
   beside content, never inside the reading measure. */
.mark {
  position: absolute;
  pointer-events: none;
  user-select: none;
  z-index: 0;
  opacity: .92;
}
.mark img { width: 100%; height: auto; }
.mark--behind { z-index: 0; opacity: .16; }


.rosette {
  width: clamp(78px, 9vw, 128px);
  aspect-ratio: 1;
}

/* An inline ornament used to break long stretches of reading. */
.ornament {
  display: grid; place-items: center;
  padding-block: clamp(2.5rem, 6vh, 5rem);
}
.ornament img { width: clamp(56px, 7vw, 96px); height: auto; opacity: .85; }

/* -- 07  BUTTONS & LINKS ------------------------------------------------- */

a { color: inherit; }

/* Body links: a 1px rule that draws in from the left. */
.link {
  position: relative;
  text-decoration: none;
  color: var(--rust-ink);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 1px;
  padding-bottom: 1px;
  transition: background-size var(--d-fast) var(--e-expo), color 220ms linear;
}
.link:hover { background-size: 0% 1px; background-position: 100% 100%; }
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .link { color: var(--rust-night); }

.link-quiet {
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 100% 100%;
  background-size: 0% 1px;
  padding-bottom: 2px;
  transition: background-size var(--d-fast) var(--e-expo);
}
.link-quiet:hover { background-size: 100% 1px; background-position: 0 100%; }

/* The button. A rule box that fills from the bottom on hover; the label
   swaps colour 60ms into the fill so it never reads as a flicker. */
.btn {
  --btn-ink: var(--ink);
  --btn-fill: var(--ink);
  --btn-on-fill: var(--paper);
  position: relative;
  display: inline-flex; align-items: center; gap: .85em;
  padding: 1.05em 1.9em;
  font-family: var(--f-label);
  font-size: var(--t-label);
  font-weight: 620; letter-spacing: .16em; text-transform: uppercase;
  color: var(--btn-ink);
  text-decoration: none;
  border: 1px solid currentColor;
  overflow: hidden;
  isolation: isolate;
  transition: color 240ms linear 60ms, border-color 240ms linear;
  white-space: nowrap;
}
.btn::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: var(--btn-fill);
  transform: scaleY(0); transform-origin: 50% 100%;
  transition: transform 420ms var(--e-expo);
}
.btn:hover { color: var(--btn-on-fill); border-color: var(--btn-fill); }
.btn:hover::before { transform: scaleY(1); }
.btn__arrow { transition: transform 420ms var(--e-expo); }
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn--rust { --btn-ink: var(--rust-ink); --btn-fill: var(--rust); --btn-on-fill: var(--paper-hi); }
.btn--solid { color: var(--paper); border-color: var(--ink); }
.btn--solid::before { transform: scaleY(1); }
.btn--solid:hover { color: var(--ink); }
.btn--solid:hover::before { transform: scaleY(0); }
.btn--night { --btn-ink: var(--on-night); --btn-fill: var(--on-night); --btn-on-fill: var(--night); }
.btn--sm { padding: .8em 1.4em; font-size: var(--t-micro); }

/* -- 08  FORMS ----------------------------------------------------------- */

.field { position: relative; display: block; }
.field input, .field textarea, .field select {
  width: 100%;
  background: transparent;
  border: 0; border-bottom: 1px solid var(--rule-strong);
  padding: .95rem 0 .7rem;
  font-family: var(--f-body); font-size: var(--t-body); color: var(--ink);
  transition: border-color 300ms var(--e-expo);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-4); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--rust); }
.field textarea { resize: vertical; min-height: 8rem; }
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .field input, :is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .field textarea {
  border-color: var(--rule-night); color: var(--on-night);
}
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .field input::placeholder { color: var(--on-night-3); }
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .field input:focus { border-color: var(--rust-night); }

.signup { display: flex; gap: var(--s-4); align-items: flex-end; flex-wrap: wrap; }
.signup .field { flex: 1 1 18rem; }

/* -- 09  MEDIA ----------------------------------------------------------- */

.fig { position: relative; overflow: hidden; background: var(--paper-lo); }
.fig img { width: 100%; height: 100%; object-fit: cover; }
.fig--32 { aspect-ratio: 3 / 2; }
.fig--45 { aspect-ratio: 4 / 5; }
.fig--11 { aspect-ratio: 1; }
.fig--169{ aspect-ratio: 16 / 9; }
.fig--21 { aspect-ratio: 2.2 / 1; }
/* 2.2:1 is a banner on a desktop and a 160px letterbox on a phone, where it
   slices the top off everyone's head. Below 900px it opens up to 3:2 so the
   frame survives the width instead of being cropped to a strip. */
@media (max-width: 900px) { .fig--21 { aspect-ratio: 3 / 2; } }
.fig--circle { border-radius: 50%; }

.caption {
  margin-top: .85rem;
  font-family: var(--f-label);
  font-size: var(--t-meta);
  color: var(--ink-3);
  max-width: 34ch;
}
.credit {
  font-family: var(--f-label);
  font-size: var(--t-micro);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-3);
}

/* A photo hover that is slow enough to read as considered. */
.fig--hover img { transition: transform 900ms var(--e-expo), filter 900ms var(--e-expo); }
a:hover .fig--hover img, .fig--hover:hover img { transform: scale(1.035); }

/* -- 10  MOTION PRIMITIVES ---------------------------------------------- */

/* Everything below fires once, on entry, and then unobserves.
   Distance is small; duration is long. That is the whole trick. */

[data-anim] { will-change: transform, opacity; }

[data-anim="up"]      { opacity: 0; transform: translateY(24px); }
[data-anim="up-lg"]   { opacity: 0; transform: translateY(40px); }
[data-anim="up-sm"]   { opacity: 0; transform: translateY(14px); }
[data-anim="fade"]    { opacity: 0; }
[data-anim="scale"]   { opacity: 0; transform: scale(.985) translateY(20px); }

[data-anim] {
  transition:
    opacity var(--d-base) var(--e-expo) var(--delay, 0ms),
    transform var(--d-base) var(--e-expo) var(--delay, 0ms);
}
[data-anim].is-in { opacity: 1; transform: none; }

/* Masked image reveal — a curtain wipes off over 1200ms while the picture
   inside settles from 1.12 over 1600ms, so the image outlasts its own mask.
   Deliberately a curtain and not clip-path on the element itself: a target
   clipped to zero area never reports as intersecting, so a clip-path reveal
   silently never fires inside horizontally-scrolled or pinned sections. */
.reveal { position: relative; overflow: hidden; isolation: isolate; }
.reveal > * { transform: scale(1.12); transform-origin: 50% 55%;
  transition: transform var(--d-image) var(--e-expo) var(--delay, 0ms); }
.reveal::after {
  content: ''; position: absolute; inset: -1px; z-index: 2;
  background: var(--curtain, var(--paper-lo));
  transform: scaleY(1); transform-origin: 50% 100%;
  transition: transform var(--d-slow) var(--e-quint) var(--delay, 0ms);
}
.reveal.is-in::after { transform: scaleY(0); }
.reveal.is-in > * { transform: scale(1); }

.reveal--right::after { transform: scaleX(1); transform-origin: 100% 50%; }
.reveal--right.is-in::after { transform: scaleX(0); }

:is(.night,.ftr,.menu,.tier--feature,.mcard--dark), .ftr { --curtain: var(--night-2); }
.paper-lo { --curtain: var(--paper-edge); }

/* Line-by-line display reveal. 105% not 100% — descenders. */
.lines { display: block; }
.lines .line { display: block; overflow: hidden; padding-bottom: .06em; margin-bottom: -.06em; }
.lines .line > span {
  display: block;
  transform: translateY(105%);
  transition: transform 1000ms var(--e-expo) var(--line-delay, 0ms);
}
.lines.is-in .line > span { transform: translateY(0); }

/* Word reveal, for short statements. */
.words .word { display: inline-block; overflow: hidden; vertical-align: bottom; }
.words .word > span {
  display: inline-block;
  transform: translateY(105%);
  transition: transform 720ms var(--e-expo) var(--word-delay, 0ms);
}
.words.is-in .word > span { transform: translateY(0); }

/* Parallax. Ceiling of 0.30 — beyond that it stops reading as depth and
   starts reading as a bug. */
[data-parallax] { will-change: transform; }

/* Marquee / ticker */
.ticker { overflow: hidden; position: relative; }
.ticker__track {
  display: flex; width: max-content;
  animation: ticker var(--ticker-dur, 46s) linear infinite;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__set { display: flex; align-items: center; flex: none; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* Counter */
.counter { font-variant-numeric: lining-nums tabular-nums; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-anim] { opacity: 1 !important; transform: none !important; }
  .reveal::after { display: none !important; }
  .reveal > * { transform: none !important; }
  .lines .line > span, .words .word > span { transform: none !important; }
  .ticker__track { animation: none !important; }
}

/* -- 11  HEADER & NAVIGATION -------------------------------------------- */

.hdr {
  position: fixed; inset: 0 0 auto 0; z-index: 900;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: transform 420ms var(--e-quart), background-color 420ms var(--e-expo),
              border-color 300ms linear, color 300ms linear;
  border-bottom: 1px solid transparent;
  color: var(--ink);
}
.hdr__in { width: 100%; display: flex; align-items: center; gap: var(--s-5); min-width: 0; }
.hdr.is-stuck { background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(14px) saturate(1.1); border-bottom-color: var(--rule); }
.hdr.is-hidden { transform: translateY(-102%); }
.hdr.on-dark { color: var(--on-night); }
/* The header CTA inherited the paper-ground button tokens everywhere, so on a
   page that opens with a dark hero it was ink-on-ink and effectively gone.
   Over a dark header it takes the night tokens, same as .btn--night. */
.hdr.on-dark .btn { --btn-ink: var(--on-night); --btn-fill: var(--on-night); --btn-on-fill: var(--night); }
.hdr.on-dark.is-stuck { background: color-mix(in srgb, var(--night) 82%, transparent); border-bottom-color: var(--rule-night); }

.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; flex: none;
  min-height: 44px; }
.brand__mark { width: 34px; height: 34px; flex: none; transition: transform 800ms var(--e-expo), filter 400ms linear; }
.brand:hover .brand__mark { transform: rotate(-9deg); }

.brand__type {
  font-family: var(--f-label); font-weight: 700; font-stretch: 84%;
  font-size: .76rem; letter-spacing: .19em; text-transform: uppercase;
  line-height: 1.12;
}
@media (max-width: 480px) { .brand__type { font-size: .62rem; letter-spacing: .13em; max-width: 8ch; } }

/* The illustrated horizontal lockup is a seal, not a UI mark — it is used
   large, on paper or night, where its two inks can actually be read. */
.lockup { width: clamp(220px, 26vw, 420px); height: auto; }


.nav { margin-left: auto; display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2.1rem); }
.nav a {
  font-family: var(--f-label); font-size: var(--t-label); font-weight: 560;
  letter-spacing: .15em; text-transform: uppercase; text-decoration: none;
  transition: opacity 240ms linear;
  position: relative; padding-block: .35rem;
}
.nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: 100% 50%;
  transition: transform 380ms var(--e-expo);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: 0 50%; }
/* sibling dimming — the hovered item stays, its neighbours step back */
.nav:hover a { opacity: .45; }
.nav:hover a:hover { opacity: 1; }
.nav a[aria-current="page"] { opacity: 1; }

@media (max-width: 1020px) { .nav--desktop { display: none; } }

.burger { display: none; margin-left: auto; width: 48px; height: 48px; position: relative;
  margin-right: -10px; }
@media (max-width: 1020px) { .burger { display: block; } }
.burger span {
  position: absolute; left: 4px; right: 4px; height: 1.5px; background: currentColor;
  transition: transform 460ms var(--e-expo), opacity 200ms linear;
}
.burger span { left: 12px; right: 12px; }
.burger span:nth-child(1) { top: 21px; }
.burger span:nth-child(2) { top: 27px; }
body.menu-open .burger span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
body.menu-open .burger span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

.menu__seal {
  position: absolute; right: -8%; bottom: -14%;
  width: min(62vw, 620px); opacity: .16; pointer-events: none;
}
.menu {
  position: fixed; inset: 0; z-index: 890;
  background: var(--night); color: var(--on-night);
  display: grid; align-content: center;
  padding: calc(var(--header-h) + 2rem) var(--gut) var(--gut);
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path 760ms var(--e-quint), visibility 0s linear 760ms;
  overflow-y: auto;
}
body.menu-open .menu {
  clip-path: inset(0 0 0 0);
  visibility: visible;
  transition: clip-path 760ms var(--e-quint), visibility 0s;
}
.menu a {
  font-family: var(--f-display); font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1.16; letter-spacing: -.02em; text-decoration: none;
  display: block; opacity: 0; transform: translateY(24px);
  transition: opacity 620ms var(--e-expo), transform 620ms var(--e-expo);
}
body.menu-open .menu a { opacity: 1; transform: none; }
.menu a:hover { color: var(--rust-night); font-style: italic; }
.menu__foot { margin-top: var(--s-8); display: flex; gap: var(--s-5); flex-wrap: wrap; }
.menu__foot a { font-family: var(--f-label); font-size: var(--t-label); letter-spacing: .16em; text-transform: uppercase; }

/* -- 12  FOOTER ---------------------------------------------------------- */

.ftr { background: var(--night); color: var(--on-night); position: relative; overflow: hidden; }
.ftr__seal {
  position: absolute; right: -6%; top: 50%; translate: 0 -50%;
  width: min(46vw, 520px); opacity: .16; pointer-events: none;
}
@media (max-width: 900px) { .ftr__seal { right: -22%; opacity: .07; } }
.ftr__statement {
  font-family: var(--f-display);
  font-size: clamp(1.85rem, 4.4vw, 4rem);
  line-height: 1.08; letter-spacing: -.02em;
  max-width: 20ch;
}
.ftr a { text-decoration: none; }
.ftr__links { display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-6); }
.ftr__links a {
  font-family: var(--f-label); font-size: var(--t-label); font-weight: 560;
  letter-spacing: .16em; text-transform: uppercase; color: var(--on-night-2);
  transition: color 240ms linear;
}
.ftr__links a:hover { color: var(--rust-night); }
.ftr__legal { display: flex; justify-content: space-between; gap: var(--s-5); flex-wrap: wrap;
  padding-top: var(--s-5); border-top: 1px solid var(--rule-night); }

/* -- 13  UTILITIES ------------------------------------------------------- */

.u-center { text-align: center; }
.u-right  { text-align: right; }
.u-rel    { position: relative; }
.u-clip   { overflow: clip; }
.u-flex   { display: flex; }
.u-between{ display: flex; justify-content: space-between; align-items: center; gap: var(--s-5); flex-wrap: wrap; }
/* Without the wrap above, a long lead beside a button pushes the button past
   the right edge on a phone — and because the section clips, the CTA simply
   vanishes rather than causing a visible scrollbar. Stack them instead. */
@media (max-width: 640px) { .u-between { align-items: flex-start; } }
.u-stack > * + * { margin-top: var(--stack, 1rem); }
.u-mt1{margin-top:var(--s-4)} .u-mt2{margin-top:var(--s-5)} .u-mt3{margin-top:var(--s-6)}
.u-mt4{margin-top:var(--s-7)} .u-mt5{margin-top:var(--s-8)} .u-mt6{margin-top:var(--s-9)}
.u-mb2{margin-bottom:var(--s-5)} .u-mb3{margin-bottom:var(--s-6)} .u-mb4{margin-bottom:var(--s-7)}
.u-measure { max-width: var(--measure); }
.u-narrow  { max-width: 34rem; }
.u-rust { color: var(--rust-ink); }
.u-olive { color: var(--olive-ink); }
:is(.night,.ftr,.menu,.tier--feature,.mcard--dark) .u-rust { color: var(--rust-night); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
/* The honeypot on every form. Off-screen rather than display:none — a bot
   that parses CSS skips hidden inputs but fills this one happily. It is
   taken out of the flow entirely, including the input itself, so it cannot
   push a grid around or register as a real tap target. */
.u-hide-visually {
  position: absolute !important;
  left: -10000px; top: auto;
  width: 1px; height: 1px; overflow: hidden;
}
.u-hide-visually input { width: 1px; height: 1px; padding: 0; border: 0; }
@media (max-width: 900px) { .hide-m { display: none; } }
@media (min-width: 901px) { .hide-d { display: none; } }


/* -- 14  TOUCH ----------------------------------------------------------- */
/* On a coarse pointer every standalone control clears the 44px Apple/WCAG
   target. Inline links inside running prose are exempt by spec and are left
   alone — padding them out would wreck the leading. */

@media (pointer: coarse) {
  .nav a,
  .ftr__links a,
  .menu__foot a,
  .article__nav a,
  .drawer__head button,
  .cart-btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  .nav a { padding-block: .9rem; }
  /* standalone links in lists are navigation, not prose — they get a target */
  /* Standalone links — list items, bylines, breadcrumbs — get a real target.
     Links inside running prose are exempt under WCAG 2.5.8 and are left alone;
     padding them out would wreck the leading. */
  li > .link, li > .link-quiet, .u-stack > .link,
  .label > .link-quiet, .label--rust > .link-quiet,
  .article__byline .link, .writer dd > .link,
  /* commerce: keep shopping, fit & sizing, checkout back / edit */
  .link-quiet.meta, button.link-quiet {
    min-height: 44px; display: inline-flex; align-items: center;
  }
  .article__nav a, .j-row, .ev, .prod, .tax { min-height: 44px; }
  .mono, code { font-size: 0.9em; }
  .ftr__links { gap: 0 var(--s-6); }
  .ftr__links a { padding-block: .55rem; }
  .menu__foot { gap: .25rem var(--s-5); }
  .btn { padding-block: 1.15em; }
  .btn--sm { padding-block: 1em; }
  .faq__q { min-height: 56px; }
  .field input, .field textarea, .field select { padding-block: 1rem .85rem; }
  .tax { min-height: 112px; }
  .pol:hover, .fig--hover:hover img, .tier:hover, .mcard:hover { transform: none; }
}