/* ==========================================================================
   Osthir Studio — site styles
   Palette: drafting paper, charcoal ink, layout-fluid blue (the dye machinists
   brush on metal to scribe lines) and walnut. Type: a Palatino-style serif at
   regular weight for headings, Inter for reading and interface text.
   ========================================================================== */

/* Fonts are bundled with the site (assets/fonts) so they load fast and work without Google. */
@font-face { font-family: "Osthir Serif"; src: url("../fonts/osthir-serif-regular.woff") format("woff"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Osthir Serif"; src: url("../fonts/osthir-serif-italic.woff") format("woff"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-400.woff") format("woff"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-400-italic.woff") format("woff"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-500.woff") format("woff"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-600.woff") format("woff"); font-weight: 600 700; font-style: normal; font-display: swap; }

:root {
  --paper: #EEECE6;
  --paper-2: #E4E1D9;
  --paper-3: #F7F6F2;
  --ink: #1F201C;
  --graphite: #595A53;
  --rule: #CCC8BD;
  --rule-strong: #A9A498;
  --field: #85816F;
  --blue: #2D47B0;
  --blue-ink: #223788;
  --walnut: #6B4A33;
  --ok: #2E6B3F;
  --warn: #8A5A12;
  --bad: #A3321F;

  --serif: "Osthir Serif", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font: var(--sans);

  --max: 1360px;
  --gutter: clamp(16px, 4vw, 48px);
  --gap: clamp(16px, 2vw, 24px);
  --section: clamp(72px, 10vw, 144px);
  --radius: 3px;
  --header-h: 68px;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 16.5px; line-height: 1.62; font-weight: 400;
  font-feature-settings: "cv11", "ss03";
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
picture { display: contents; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 1px; }
button, input, select, textarea { font: inherit; color: inherit; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2em 0; }
::selection { background: var(--blue); color: #fff; }

h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 400; line-height: 1.1; letter-spacing: -0.01em; text-wrap: balance; }
h4 { margin: 0; font-weight: 600; }
h1 { font-size: clamp(40px, 5.8vw, 80px); letter-spacing: -0.018em; line-height: 1.04; }
h2 { font-size: clamp(28px, 3.2vw, 44px); letter-spacing: -0.012em; }
h3 { font-size: clamp(21px, 1.8vw, 25px); line-height: 1.2; }
h4 { font-size: 17px; }
p { margin: 0 0 1em; }
small { font-size: 14px; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ink); color: #fff; padding: 8px 14px; }
.skip:focus { left: 8px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.muted { color: var(--graphite); }
.spec { font-size: 13.5px; letter-spacing: 0.01em; color: var(--graphite); }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }
.narrow { max-width: 760px; }
.section { padding-block: var(--section); }
.section + .section { padding-top: 0; }
.ruled { border-top: 1px solid var(--rule); }

.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); }
.span-4 { grid-column: span 4; } .span-5 { grid-column: span 5; } .span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; } .span-8 { grid-column: span 8; } .span-12 { grid-column: 1 / -1; }
@media (max-width: 900px) {
  .grid > [class*="span-"] { grid-column: 1 / -1; }
}

/* Section heading: title on the left, a short aside or link on the right */
.sec-head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); align-items: end; padding-top: 20px; border-top: 1px solid var(--ink); margin-bottom: clamp(32px, 4vw, 56px); }
.sec-head h2 { grid-column: span 7; font-size: clamp(30px, 3.4vw, 46px); }
.sec-head .aside { grid-column: 9 / -1; color: var(--graphite); margin: 0; }
.sec-head .aside a { color: var(--ink); font-weight: 500; }
@media (max-width: 900px) { .sec-head h2, .sec-head .aside { grid-column: 1 / -1; } }

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 22px; border: 1.5px solid var(--ink); border-radius: var(--radius);
  background: var(--ink); color: var(--paper); font-weight: 500; font-size: 15.5px; line-height: 1.1; letter-spacing: 0.005em;
  text-decoration: none; cursor: pointer; transition: background .15s, color .15s, border-color .15s;
}
.btn:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-line { background: transparent; color: var(--ink); }
.btn-line:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn-small { min-height: 38px; padding: 8px 14px; font-size: 15px; }
.btn-block { width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .45; pointer-events: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.link { font-weight: 500; text-decoration: underline; text-decoration-color: var(--rule-strong); text-underline-offset: 5px; }
.link:hover { text-decoration-color: var(--blue); }

/* ---------- Staff bar (only for signed-in staff) ---------- */
.staff-bar { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; padding: 8px var(--gutter); background: var(--blue-ink); color: #fff; font-size: 14px; }
.staff-bar span { opacity: .85; margin-right: auto; }
.staff-bar a { color: #fff; font-weight: 500; }
.staff-bar a:hover { color: #fff; text-decoration-thickness: 2px; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--paper) 94%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.site-header.is-scrolled { border-bottom-color: var(--rule); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); margin-right: auto; }
.brand img { height: 32px; width: auto; }
.wordmark { font-family: var(--serif); font-weight: 400; font-size: 24px; letter-spacing: -0.005em; line-height: 1; }
.wordmark span { font-weight: 400; color: var(--graphite); }
.brand-mark { width: 22px; height: 22px; flex: none; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 8px 12px; text-decoration: none; font-weight: 400; font-size: 15.5px; border-radius: var(--radius); }
.nav a[aria-current="page"] { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 8px; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.cart-link { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; text-decoration: none; border-radius: var(--radius); }
.cart-link svg { width: 22px; height: 22px; }
.cart-count { position: absolute; top: 4px; right: 2px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--blue); color: #fff; font-size: 11px; font-weight: 700; line-height: 18px; text-align: center; }
.menu-toggle { display: none; align-items: center; gap: 8px; min-height: 44px; padding: 0 10px; border: 0; background: none; cursor: pointer; font-weight: 500; }
.menu-toggle .bars { width: 18px; height: 10px; position: relative; }
.menu-toggle .bars::before, .menu-toggle .bars::after { content: ""; position: absolute; left: 0; right: 0; height: 2px; background: currentColor; transition: transform .2s; }
.menu-toggle .bars::before { top: 0; } .menu-toggle .bars::after { bottom: 0; }
.menu-open .menu-toggle .bars::before { transform: translateY(4px) rotate(45deg); }
.menu-open .menu-toggle .bars::after { transform: translateY(-4px) rotate(-45deg); }

@media (max-width: 960px) {
  .nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .header-actions .btn { min-height: 38px; padding: 8px 12px; font-size: 14px; white-space: nowrap; }
  .menu-toggle { padding: 0 4px; }
  .site-header .wrap { gap: 4px; }
}
@media (max-width: 420px) {
  .wordmark { font-size: 18px; }
  .wordmark span { display: none; }
}

.mobile-menu { position: fixed; inset: var(--header-h) 0 0 0; z-index: 39; background: var(--paper); padding: 24px var(--gutter) 40px; overflow-y: auto; display: none; }
.menu-open .mobile-menu { display: block; }
.menu-open { overflow: hidden; }
.mobile-menu nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--rule); font-size: 30px; font-family: var(--serif); font-weight: 400; text-decoration: none; letter-spacing: -0.01em; }
.mobile-menu .sub { margin-top: 28px; display: grid; gap: 10px; }
.mobile-menu .sub a { color: var(--graphite); }

/* ---------- Flash & alerts ---------- */
.flashes { padding-top: 16px; }
.alert { padding: 14px 18px; border-left: 3px solid var(--ink); background: var(--paper-3); margin-bottom: 16px; }
.alert ul { margin: 6px 0 0; padding-left: 18px; }
.alert-success { border-color: var(--ok); }
.alert-error { border-color: var(--bad); }
.alert-info { border-color: var(--blue); }

/* ---------- Media wells & placeholders ---------- */
.well { position: relative; background: var(--paper-2); overflow: hidden; aspect-ratio: 4 / 3; }
.well img { width: 100%; height: 100%; object-fit: cover; }
.well.contain img { object-fit: contain; }
.well.tall { aspect-ratio: 4 / 5; }
.well.wide { aspect-ratio: 16 / 9; }
.ph { display: grid; place-items: center; width: 100%; height: 100%; min-height: 200px; background: var(--paper-2) repeating-linear-gradient(0deg, transparent 0 39px, #D9D5CB 39px 40px), repeating-linear-gradient(90deg, transparent 0 39px, #D9D5CB 39px 40px); }
.ph span { font-size: 14px; color: var(--graphite); background: var(--paper-2); padding: 4px 10px; }
.sample { position: absolute; top: 10px; left: 10px; z-index: 2; background: var(--paper); color: var(--graphite); font-size: 12px; padding: 3px 8px; border: 1px solid var(--rule); }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(40px, 7vw, 96px); padding-bottom: clamp(56px, 8vw, 112px); }
.hero h1 { font-size: clamp(46px, 8.4vw, 124px); line-height: 1; letter-spacing: -0.022em; max-width: 12ch; }
.hero-body { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); margin-top: clamp(24px, 3vw, 40px); align-items: end; }
.hero-text { grid-column: 1 / span 5; padding-bottom: 8px; }
.hero-text p { font-size: clamp(18.5px, 1.6vw, 21px); line-height: 1.5; margin-bottom: 28px; max-width: 36ch; }
.hero-text .also { margin-top: 20px; font-size: 15px; color: var(--graphite); }
.hero-visual { grid-column: 7 / -1; margin: clamp(-220px, -12vw, 0px) 0 0; }
.hero-visual .well { aspect-ratio: 16 / 10; background: transparent; }
.hero-visual figcaption { margin-top: 10px; }
@media (max-width: 900px) {
  .hero-text, .hero-visual { grid-column: 1 / -1; }
  .hero-visual { margin-top: 8px; order: -1; }
}

/* Exploded-joint drawing: assembles, then separates to reveal the connector */
.joint { width: 100%; height: auto; overflow: visible; }
.joint .part { transition: transform 1.4s cubic-bezier(.2,.7,.1,1); }
.joint .dim { opacity: 0; transition: opacity .6s .9s; }
.joint.is-ready .part-a { transform: translate(-58px, -33px); }
.joint.is-ready .part-c { transform: translate(58px, 33px); }
.joint.is-ready .part-bolts { transform: translate(0, -46px); }
.joint.is-ready .dim { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .joint .part, .joint .dim { transition: none; } }

/* ---------- Audience routes ---------- */
.routes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule); }
.route { padding: 24px 24px 28px 0; display: flex; flex-direction: column; gap: 6px; text-decoration: none; }
.route + .route { padding-left: 24px; border-left: 1px solid var(--rule); }
.route h3 { font-size: 23px; }
.route p { margin: 0 0 12px; color: var(--graphite); font-size: 16px; }
.route .go { margin-top: auto; font-weight: 500; text-decoration: underline; text-decoration-color: var(--rule-strong); text-underline-offset: 5px; }
.route:hover .go { color: var(--blue); text-decoration-color: var(--blue); }
@media (max-width: 900px) {
  .routes { grid-template-columns: 1fr 1fr; }
  .route:nth-child(3) { padding-left: 0; border-left: 0; }
  .route:nth-child(n+3) { border-top: 1px solid var(--rule); }
}
@media (max-width: 520px) {
  .routes { grid-template-columns: 1fr; }
  .route, .route + .route { padding: 20px 0; border-left: 0; }
  .route + .route { border-top: 1px solid var(--rule); }
}

/* ---------- Project cards ---------- */
.work-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(32px, 4vw, 56px) var(--gap); }
.work-grid .card { grid-column: span 6; }
.work-grid.feature .card:first-child { grid-column: span 8; grid-row: span 2; }
.work-grid.feature .card:not(:first-child) { grid-column: span 4; }
.work-grid.thirds .card { grid-column: span 4; }
@media (max-width: 900px) {
  .work-grid .card, .work-grid.feature .card:first-child, .work-grid.feature .card:not(:first-child), .work-grid.thirds .card { grid-column: 1 / -1; grid-row: auto; }
}
@media (min-width: 560px) and (max-width: 900px) {
  .work-grid.thirds .card, .work-grid.feature .card:not(:first-child) { grid-column: span 6; }
}
.card { display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.card .well { margin-bottom: 14px; }
.card .well img { transition: transform .6s cubic-bezier(.2,.7,.1,1); }
.card:hover .well img { transform: scale(1.025); }
.card:hover h3 { color: var(--blue); }
.card .meta { font-size: 13.5px; letter-spacing: 0.01em; color: var(--graphite); margin-bottom: 4px; }
.card h3 { margin-bottom: 6px; }
.card p { color: var(--graphite); margin: 0; max-width: 52ch; }

/* ---------- Products ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(32px, 4vw, 48px) var(--gap); }
.product-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1000px) { .product-grid, .product-grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .product-grid, .product-grid.three { grid-template-columns: 1fr; } }
.pcard .well { aspect-ratio: 1 / 1; }
.pcard h3 { font-size: 21px; }
.pcard .row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-top: 4px; }
.price { font-weight: 500; white-space: nowrap; font-variant-numeric: tabular-nums; }
.price s { color: var(--graphite); font-weight: 400; margin-right: 6px; }

.avail { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; color: var(--graphite); }
.avail::before { content: ""; width: 8px; height: 8px; border-radius: 1px; background: var(--graphite); }
.avail-in_stock::before { background: var(--ok); }
.avail-made_to_order::before { background: var(--blue); }
.avail-sold_out::before { background: var(--bad); }
.avail-concept::before { background: transparent; border: 1.5px solid var(--graphite); }

/* ---------- Filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: clamp(28px, 4vw, 48px); }
.filters a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 16px; border: 1px solid var(--field); border-radius: 40px; text-decoration: none; font-size: 15px; }
.filters a[aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- Page head ---------- */
.page-head { padding-top: clamp(40px, 6vw, 88px); padding-bottom: clamp(32px, 4vw, 56px); }
.page-head h1 { max-width: 14ch; }
.page-head .lede { font-size: clamp(18.5px, 1.6vw, 22px); line-height: 1.5; max-width: 46ch; margin-top: 20px; color: var(--ink); }
.crumbs { font-size: 15px; color: var(--graphite); margin-bottom: 20px; }
.crumbs a { color: var(--graphite); }

/* ---------- Stories (lessons) ---------- */
.stories { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap); }
.story { border-top: 1px solid var(--rule); padding-top: 18px; text-decoration: none; display: flex; flex-direction: column; }
.story blockquote { margin: 0 0 18px; font-family: var(--serif); font-size: 23px; line-height: 1.38; font-weight: 400; letter-spacing: -0.005em; }
.story .from { margin-top: auto; font-size: 15px; color: var(--graphite); }
.story:hover blockquote { color: var(--blue); }
@media (max-width: 900px) { .stories { grid-template-columns: 1fr; } }

/* ---------- Services ---------- */
.svc-list { border-top: 1px solid var(--ink); }
.svc { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); padding: clamp(28px, 3vw, 40px) 0; border-bottom: 1px solid var(--rule); }
.svc h3 { grid-column: span 4; font-size: clamp(26px, 2.4vw, 34px); }
.svc .body { grid-column: 5 / span 4; }
.svc .body p { margin-bottom: 16px; }
.svc ul { grid-column: 9 / -1; }
@media (max-width: 900px) { .svc h3, .svc .body, .svc ul { grid-column: 1 / -1; } }

.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { position: relative; padding: 7px 0 7px 22px; border-bottom: 1px solid var(--rule); font-size: 16px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 15px; width: 10px; height: 1.5px; background: var(--blue); }

.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; border-top: 1px solid var(--ink); }
.steps li { counter-increment: s; display: grid; grid-template-columns: 56px minmax(0, 4fr) minmax(0, 7fr); gap: var(--gap); padding: 22px 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.steps li::before { content: counter(s); font-family: var(--serif); font-size: 26px; line-height: 1; color: var(--blue); font-variant-numeric: lining-nums; }
.steps strong { font-family: var(--serif); font-size: 22px; font-weight: 400; }
.steps span { color: var(--graphite); }
@media (max-width: 700px) { .steps li { grid-template-columns: 40px 1fr; } .steps span { grid-column: 2; } }

/* ---------- Workshops ---------- */
.ws-list { border-top: 1px solid var(--ink); }
.ws { display: grid; grid-template-columns: 120px minmax(0, 1fr) 220px; gap: var(--gap); align-items: center; padding: 26px 0; border-bottom: 1px solid var(--rule); }
.ws .date { line-height: 1; }
.ws .date b { display: block; font-family: var(--serif); font-size: 48px; font-weight: 400; letter-spacing: -0.02em; font-variant-numeric: lining-nums; }
.ws .date span { font-size: 15px; color: var(--graphite); }
.ws .date .tba { font-size: 14px; font-weight: 500; color: var(--graphite); line-height: 1.3; }
.ws h3 a { text-decoration: none; }
.ws h3 a:hover { color: var(--blue); }
.ws p { margin: 6px 0 0; color: var(--graphite); }
.ws .facts { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 10px; font-size: 13.5px; color: var(--graphite); }
.ws .facts strong { color: var(--ink); font-weight: 500; }
.ws .act { text-align: right; }
.seats-low { color: var(--warn) !important; font-weight: 600; }
@media (max-width: 760px) {
  .ws { grid-template-columns: 72px 1fr; }
  .ws .date b { font-size: 32px; }
  .ws .act { grid-column: 2; text-align: left; }
}

/* ---------- Principles ---------- */
.principles { border-top: 1px solid var(--ink); margin: 0; }
.principles > div { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); padding: 20px 0; border-bottom: 1px solid var(--rule); }
.principles dt { grid-column: span 5; font-family: var(--serif); font-size: clamp(22px, 2.1vw, 28px); font-weight: 400; letter-spacing: -0.01em; line-height: 1.2; }
.principles dd { grid-column: 6 / -1; margin: 0; color: var(--graphite); font-size: 17px; }
@media (max-width: 700px) { .principles dt, .principles dd { grid-column: 1 / -1; } }

/* ---------- Final call to action ---------- */
.cta-band { position: relative; padding-block: var(--section); }
.cta-band::before { content: ""; position: absolute; top: 0; left: var(--gutter); right: var(--gutter); border-top: 1px solid var(--ink); }
.cta-band h2 { font-size: clamp(40px, 6.2vw, 88px); letter-spacing: -0.02em; line-height: 1.02; max-width: 14ch; margin-bottom: 28px; }
.cta-band p { font-size: 19px; max-width: 46ch; color: var(--graphite); margin-bottom: 28px; }

/* ---------- Project (case study) ---------- */
.case-head { padding-top: clamp(32px, 5vw, 72px); }
.case-head h1 { max-width: 16ch; font-size: clamp(40px, 5.6vw, 80px); }
.case-head .lede { font-size: clamp(18.5px, 1.6vw, 22px); line-height: 1.5; max-width: 44ch; margin: 22px 0 0; }
.case-hero { margin-top: clamp(28px, 4vw, 48px); }
.case-hero .well { aspect-ratio: 16 / 9; }
.video { position: relative; aspect-ratio: 16 / 9; background: var(--ink); }
.video iframe, .video button { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video button { cursor: pointer; background: none; padding: 0; }
.video button img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.video .play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); background: var(--paper); color: var(--ink); padding: 14px 22px; font-weight: 600; border-radius: var(--radius); }

.facts-dl { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 var(--gap); margin: clamp(28px, 4vw, 48px) 0 0; border-top: 1px solid var(--ink); }
.facts-dl div { padding: 14px 0; border-bottom: 1px solid var(--rule); }
.facts-dl dt { font-size: 13.5px; letter-spacing: 0.01em; color: var(--graphite); }
.facts-dl dd { margin: 2px 0 0; font-weight: 500; }
@media (max-width: 760px) { .facts-dl { grid-template-columns: 1fr 1fr; } }

.case-body { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); padding-block: clamp(48px, 7vw, 104px); }
.chapters { grid-column: span 3; position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.chapters ol { list-style: none; padding: 0; margin: 0; counter-reset: c; border-top: 1px solid var(--rule); }
.chapters li { counter-increment: c; border-bottom: 1px solid var(--rule); }
.chapters a { display: grid; grid-template-columns: 28px 1fr; padding: 9px 0; text-decoration: none; color: var(--graphite); font-size: 15px; }
.chapters a::before { content: counter(c); font-variant-numeric: tabular-nums; }
.chapters a.is-active { color: var(--ink); font-weight: 500; }
.chapters a.is-active::before { color: var(--blue); }
.chapters-body { grid-column: 5 / -1; }
.chapter { padding-bottom: clamp(40px, 5vw, 72px); }
.chapter h2 { font-size: clamp(28px, 2.8vw, 38px); margin-bottom: 20px; }
.chapter .step-no { display: block; font-size: 13.5px; letter-spacing: 0.02em; color: var(--blue); margin-bottom: 8px; font-weight: 500; }
@media (max-width: 900px) {
  .chapters { display: none; }
  .chapters-body { grid-column: 1 / -1; }
}

.prose { font-size: 17.5px; line-height: 1.7; max-width: 66ch; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.1em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .4em; }
.prose ul li::marker { color: var(--blue); }
.prose h2 { font-size: clamp(25px, 2.3vw, 31px); margin: 1.6em 0 .6em; }
.prose h3 { font-size: 21px; margin: 1.4em 0 .5em; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose blockquote { margin: 1.4em 0; padding-left: 20px; border-left: 2px solid var(--blue); font-family: var(--serif); font-size: 22px; line-height: 1.45; }
.prose figure { margin: 1.6em 0; }
.prose figcaption { font-size: 14px; color: var(--graphite); margin-top: 8px; }
.prose a { color: var(--blue-ink); }
.prose code { font-size: .92em; background: var(--paper-2); padding: 1px 5px; }
.prose strong { font-weight: 600; }
.lessons { background: var(--paper-3); padding: clamp(24px, 3vw, 40px); border-left: 3px solid var(--blue); }

.figs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gap); margin-top: 28px; }
.figs figure { margin: 0; }
.figs figure:only-child, .figs.one figure { grid-column: 1 / -1; }
.figs figcaption { font-size: 14px; color: var(--graphite); margin-top: 8px; }
@media (max-width: 600px) { .figs { grid-template-columns: 1fr; } }
.final-gallery { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); }
.final-gallery figure { margin: 0; grid-column: span 6; }
.final-gallery figure:nth-child(3n+1) { grid-column: 1 / -1; }
.final-gallery figure .well { aspect-ratio: auto; }
.final-gallery figcaption { font-size: 14px; color: var(--graphite); margin-top: 8px; }
@media (max-width: 700px) { .final-gallery figure { grid-column: 1 / -1; } }

.case-cta { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); padding: clamp(28px, 4vw, 48px); background: var(--ink); color: var(--paper); }
.case-cta h2 { grid-column: span 7; color: var(--paper); font-size: clamp(28px, 3.2vw, 42px); }
.case-cta p { color: #C9C6BD; margin: 12px 0 0; }
.case-cta .btn-row { grid-column: 8 / -1; align-self: end; justify-content: flex-end; }
.case-cta .btn { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.case-cta .btn:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.case-cta .btn-line { background: transparent; color: var(--paper); border-color: #8F8C84; }
@media (max-width: 900px) { .case-cta h2, .case-cta .btn-row { grid-column: 1 / -1; justify-content: flex-start; } }

/* ---------- Product page ---------- */
.product-layout { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap) clamp(24px, 4vw, 64px); padding-top: clamp(24px, 3vw, 40px); }
.p-gallery { grid-column: span 7; display: grid; gap: var(--gap); }
.p-gallery .well { aspect-ratio: 1 / 1; }
.p-gallery .thumbs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gap); }
.p-buy { grid-column: 8 / -1; position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.p-buy h1 { font-size: clamp(34px, 3.6vw, 52px); line-height: 1.06; margin: 10px 0 14px; }
.p-buy .summary { font-size: 18px; margin-bottom: 20px; }
.p-buy .price-line { display: flex; align-items: baseline; gap: 14px; font-size: 26px; font-weight: 500; margin-bottom: 4px; font-variant-numeric: tabular-nums; }
.p-buy .lead { color: var(--graphite); font-size: 15px; margin-bottom: 22px; }
.p-buy form { border-top: 1px solid var(--rule); padding-top: 20px; }
.variant-pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 18px; border: 0; padding: 0; }
.variant-pills legend { font-weight: 500; font-size: 15px; margin-bottom: 8px; padding: 0; }
.variant-pills label { position: relative; }
.variant-pills input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.variant-pills span { display: block; padding: 10px 14px; min-height: 44px; border: 1px solid var(--field); border-radius: var(--radius); font-size: 15px; }
.variant-pills input:checked + span { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); font-weight: 500; }
.variant-pills input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 2px; }
.qty-row { display: flex; gap: 10px; align-items: stretch; margin-bottom: 10px; }
.qty-row input { width: 76px; text-align: center; border: 1px solid var(--field); border-radius: var(--radius); background: var(--paper-3); }
.qty-row .btn { flex: 1; }
.p-alt { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--rule); font-size: 15px; color: var(--graphite); display: grid; gap: 8px; }
@media (max-width: 900px) { .p-gallery, .p-buy { grid-column: 1 / -1; position: static; } }

.spec-table { width: 100%; border-collapse: collapse; border-top: 1px solid var(--ink); }
.spec-table th, .spec-table td { text-align: left; vertical-align: top; padding: 12px 0; border-bottom: 1px solid var(--rule); }
.spec-table th { width: 34%; font-weight: 400; color: var(--graphite); font-size: 14.5px; padding-right: 16px; }
details.more { border-bottom: 1px solid var(--rule); }
details.more summary { cursor: pointer; padding: 16px 0; font-weight: 500; list-style: none; display: flex; justify-content: space-between; }
details.more summary::-webkit-details-marker { display: none; }
details.more summary::after { content: "+"; font-weight: 400; font-size: 22px; line-height: 1; }
details.more[open] summary::after { content: "–"; }
details.more > div { padding-bottom: 18px; color: var(--graphite); }

/* ---------- Forms ---------- */
.form { display: grid; gap: 22px; }
.form-section { border-top: 1px solid var(--ink); padding-top: 22px; display: grid; gap: 20px; }
.form-section > h2 { font-size: 25px; }
.form-section > .note { margin: -10px 0 0; color: var(--graphite); font-size: 15px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 640px) { .two { grid-template-columns: 1fr; } }
.field label, .choices legend { display: block; font-weight: 500; font-size: 15px; margin-bottom: 6px; }
.field .opt { font-weight: 400; color: var(--graphite); font-size: 14px; }
.field input:not([type=checkbox]):not([type=radio]), .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid var(--field); border-radius: var(--radius);
  background: var(--paper-3); font-size: 16px; line-height: 1.4; transition: border-color .15s, box-shadow .15s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 18%, transparent); background-color: #fff; }
.field input[type=file] { padding: 10px; background: var(--paper-3); border: 1px dashed var(--field); }
.field .hint { font-size: 14px; color: var(--graphite); margin: 6px 0 0; }
.field-error { color: var(--bad); font-size: 14px; font-weight: 600; margin: 6px 0 0; }
.has-error input, .has-error select, .has-error textarea { border-color: var(--bad) !important; }
.check, .field label.check { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--ink); flex: none; }
.choices { border: 0; padding: 0; margin: 0; display: grid; gap: 10px; }
.choices.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 760px) { .choices.grid-3 { grid-template-columns: 1fr; } }
.field.cards .choices { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 760px) { .field.cards .choices { grid-template-columns: 1fr; } }
.choice { position: relative; display: block; cursor: pointer; }
.choice input { position: absolute; top: 16px; left: 14px; accent-color: var(--ink); width: 18px; height: 18px; }
.choice span { display: block; padding: 14px 14px 14px 44px; border: 1px solid var(--field); border-radius: var(--radius); background: var(--paper-3); height: 100%; }
.choice strong { display: block; font-weight: 500; }
.choice small { display: block; color: var(--graphite); font-size: 14px; margin-top: 2px; line-height: 1.4; }
.choice input:checked + span { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); background: #fff; }
.choice input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 2px; }
[data-show-for][hidden] { display: none !important; }

.form-aside { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.panel { background: var(--paper-3); border: 1px solid var(--rule); padding: clamp(20px, 2.4vw, 28px); }
.panel h2, .panel h3 { font-size: 23px; margin-bottom: 14px; }
.panel p:last-child { margin-bottom: 0; }

/* ---------- Cart & checkout ---------- */
.cart-table { width: 100%; border-collapse: collapse; border-top: 1px solid var(--ink); }
.cart-table th { text-align: left; font-weight: 500; font-size: 14px; color: var(--graphite); padding: 12px 8px 12px 0; border-bottom: 1px solid var(--rule); }
.cart-table td { padding: 18px 8px 18px 0; border-bottom: 1px solid var(--rule); vertical-align: middle; }
.cart-table .item { display: flex; gap: 16px; align-items: center; }
.cart-table .item .well { width: 84px; flex: none; aspect-ratio: 1; }
.cart-table input[type=number] { width: 70px; min-height: 44px; padding: 6px; text-align: center; border: 1px solid var(--field); border-radius: var(--radius); background: var(--paper-3); }
.cart-table .num { text-align: right; white-space: nowrap; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--graphite); text-decoration: underline; cursor: pointer; font-size: 14px; }
@media (max-width: 640px) {
  .cart-table thead { display: none; }
  .cart-table tr { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
  .cart-table td { border: 0; padding: 0; }
  .cart-table td.item-cell { grid-column: 1 / -1; }
}
.totals { width: 100%; border-collapse: collapse; }
.totals td { padding: 8px 0; }
.totals td:last-child { text-align: right; }
.totals tr.grand td { border-top: 1px solid var(--ink); padding-top: 14px; font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.summary-items { list-style: none; padding: 0; margin: 0 0 16px; }
.summary-items li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--rule); font-size: 15px; }

/* ---------- Order / registration status ---------- */
.status-head { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: baseline; margin-top: 20px; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 13.5px; font-weight: 500; background: var(--paper-2); }
.badge.ok { background: #DCE8DE; color: var(--ok); }
.badge.blue { background: #DEE3F4; color: var(--blue-ink); }
.badge.warn { background: #F1E5CF; color: var(--warn); }
.badge.bad { background: #F3DCD6; color: var(--bad); }
.timeline { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--rule-strong); }
.timeline li { position: relative; padding: 0 0 18px 20px; }
.timeline li::before { content: ""; position: absolute; left: -5px; top: 7px; width: 9px; height: 9px; background: var(--paper); border: 1.5px solid var(--ink); border-radius: 50%; }
.timeline li:first-child::before { background: var(--blue); border-color: var(--blue); }
.timeline time { display: block; font-size: 14px; color: var(--graphite); }
.paybox { white-space: pre-line; }
.ref { font-weight: 600; letter-spacing: 0.04em; font-variant-numeric: tabular-nums; }

/* ---------- About ---------- */
.founder { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); align-items: start; }
.founder .well { grid-column: span 5; aspect-ratio: 4 / 5; }
.founder .text { grid-column: 7 / -1; }
@media (max-width: 900px) { .founder .well, .founder .text { grid-column: 1 / -1; } }

/* ---------- Contact ---------- */
.contact-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--ink); }
.contact-list li { padding: 14px 0; border-bottom: 1px solid var(--rule); }
.contact-list span { display: block; font-size: 13.5px; color: var(--graphite); }
.contact-list a { font-weight: 500; font-size: 18px; }
.route-links { display: grid; gap: 10px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #D6D3CA; padding-top: clamp(56px, 7vw, 96px); padding-bottom: 32px; margin-top: var(--section); font-size: 16px; }
.site-footer a { color: #F2F0EA; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-top { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); }
.footer-top .lead { grid-column: span 5; }
.footer-top .lead p { font-family: var(--serif); font-size: 25px; line-height: 1.32; color: #F2F0EA; max-width: 24ch; font-weight: 400; letter-spacing: -0.005em; }
.footer-col { grid-column: span 2; }
.footer-col:first-of-type { grid-column: 7 / span 2; }
.footer-col h2 { font-family: var(--sans); font-size: 14px; font-weight: 500; color: #9E9B92; letter-spacing: 0.01em; margin-bottom: 12px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: clamp(48px, 6vw, 80px); padding-top: 20px; border-top: 1px solid #3B3C36; font-size: 14px; color: #9E9B92; }
.footer-bottom a { color: #9E9B92; }
@media (max-width: 900px) {
  .footer-top .lead { grid-column: 1 / -1; }
  .footer-col, .footer-col:first-of-type { grid-column: span 6; }
}

/* ---------- Consent ---------- */
.consent { position: fixed; left: 16px; bottom: 16px; z-index: 60; max-width: 420px; background: var(--paper-3); border: 1px solid var(--rule-strong); padding: 18px; box-shadow: 0 10px 30px rgba(31, 32, 28, .12); font-size: 15px; }
.consent p { margin: 0 0 12px; }
.consent form { display: flex; gap: 8px; }
@media (max-width: 520px) { .consent { left: 8px; right: 8px; bottom: 8px; max-width: none; } }

/* ---------- Error page ---------- */
.error-page { padding-block: clamp(64px, 12vw, 160px); }
.error-page .code { font-family: var(--serif); font-size: clamp(80px, 16vw, 220px); font-weight: 400; letter-spacing: -0.03em; line-height: .9; color: var(--paper-2); -webkit-text-stroke: 1.5px var(--ink); }

/* ---------- Motion and JS helpers ---------- */
.js .js-hide { display: none; }
.choices:focus { outline: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; scroll-behavior: auto !important; }
  .card:hover .well img { transform: none; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .consent, .btn, .mobile-menu { display: none !important; }
  body { background: #fff; }
}