/* =====================================================================
   Yuka Tabushi — Permaculture & Regenerative Design
   Design system: elegant California Modern · Japanese restraint · earthy
   ---------------------------------------------------------------------
   Authored as the single source of truth for the whole subsite.
   All pages consume these tokens & components — no page invents new color.
   ===================================================================== */

/* ----------------------------  TOKENS  ---------------------------- */
:root {
  /* Earth palette */
  --paper:      #F7F2E7;   /* primary background — warm bone         */
  --paper-2:    #EFE5D3;   /* alternating section wash               */
  --sand:       #E7D9BF;   /* deeper sand, dividers                  */
  --cream:      #FCFAF3;   /* raised surfaces / cards                */
  --clay:       #BC6C43;   /* primary accent — terracotta            */
  --clay-deep:  #9C5333;   /* pressed / hover                        */
  --ochre:      #C79A46;   /* gold accent, seals                     */
  --sage:       #8B9A78;   /* desert green                           */
  --sage-deep:  #5D6D50;   /* deep foliage                           */
  --dusk:       #A9AE9E;   /* muted sky                              */
  --sumi:       #2E2A24;   /* sumi ink — primary text                */
  --sumi-soft:  #57503F;   /* secondary text                         */
  --stone:      #8B8272;   /* tertiary / captions                    */
  --hairline:   #D8CBB0;   /* fine rules & borders                   */

  /* Type */
  --font-display: "Fraunces", "Hoefler Text", Garamond, "Times New Roman", serif;
  --font-sans: "Jost", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Fluid type scale */
  --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.92rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.12rem);
  --step-1:  clamp(1.2rem, 1.12rem + 0.4vw, 1.45rem);
  --step-2:  clamp(1.5rem, 1.36rem + 0.7vw, 2rem);
  --step-3:  clamp(2rem, 1.7rem + 1.5vw, 3rem);
  --step-4:  clamp(2.6rem, 2rem + 3vw, 4.6rem);
  --step-5:  clamp(3.1rem, 2.2rem + 4.6vw, 6rem);

  /* Space */
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --section-y: clamp(4rem, 3rem + 6vw, 9rem);

  --measure: 66ch;
  --container: 1200px;
  --container-narrow: 860px;

  --radius: 4px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 2px rgba(46, 42, 36, 0.06);
  --shadow-md: 0 14px 40px -22px rgba(46, 42, 36, 0.42);
  --shadow-lg: 0 30px 70px -40px rgba(46, 42, 36, 0.5);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.5s;
}

/* ----------------------------  RESET  ----------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--sumi);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, picture { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; }

::selection { background: var(--clay); color: var(--cream); }

/* ------------------------  TYPOGRAPHY  ---------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--sumi);
  font-optical-sizing: auto;
}
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p { max-width: var(--measure); }
strong { font-weight: 600; color: var(--sumi); }
em { font-style: italic; }

.display {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.015em;
}

/* Eyebrow / kicker label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-sans);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: var(--space-sm);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.eyebrow--center::after {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.eyebrow--muted { color: var(--stone); }

.lede {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-2);
  line-height: 1.35;
  color: var(--sumi-soft);
  letter-spacing: -0.01em;
}

/* ------------------------  LAYOUT  -------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--section-y); }
.section--paper2 { background: var(--paper-2); }
.section--ink { background: var(--sumi); color: var(--paper); }
.section--ink h1, .section--ink h2, .section--ink h3 { color: var(--cream); }
.section--sage { background: var(--sage-deep); color: var(--paper); }
.section--sage h2, .section--sage h3 { color: var(--cream); }

.section-head { max-width: 60ch; margin-bottom: var(--space-xl); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head p { color: var(--sumi-soft); margin-top: var(--space-sm); }
.section-head--center p { margin-inline: auto; }

.stack > * + * { margin-top: var(--space-md); }
.grid { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.split--wide-text { grid-template-columns: 1.15fr 0.85fr; }
.split--wide-media { grid-template-columns: 0.85fr 1.15fr; }
@media (max-width: 860px) { .split, .split--wide-text, .split--wide-media { grid-template-columns: 1fr; } }

/* --------------------------  BUTTONS  ----------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--step-0);
  letter-spacing: 0.02em;
  padding: 0.85em 1.7em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform 0.25s var(--ease);
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; }
.btn .arrow { transition: transform 0.3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn--primary { background: var(--clay); color: var(--cream); }
.btn--primary:hover { background: var(--clay-deep); }
.btn--ghost { border-color: var(--sumi); color: var(--sumi); }
.btn--ghost:hover { background: var(--sumi); color: var(--paper); }
.btn--on-dark { border-color: rgba(252,250,243,0.5); color: var(--cream); }
.btn--on-dark:hover { background: var(--cream); color: var(--sumi); border-color: var(--cream); }

.textlink {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 500;
  color: var(--clay);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), gap 0.3s var(--ease);
  width: fit-content;
}
.textlink:hover { border-color: var(--clay); gap: 0.8em; }

/* --------------------------  HEADER  ------------------------------ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 78px;
}
.brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.brand__mark { width: 38px; height: 38px; flex: none; }
.brand__mark svg, .brand__mark img { width: 100%; height: 100%; }
.brand__text { line-height: 1.05; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--sumi);
}
.brand__tag {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--stone);
  margin-top: 2px;
}

.nav { display: flex; align-items: center; gap: clamp(1.2rem, 2.4vw, 2.4rem); }
.nav__link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--sumi);
  padding-block: 0.4rem;
  transition: color 0.3s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--clay);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--clay); }

/* Transparent over hero → solid on scroll */
.site-header--overlay { color: var(--cream); }
.site-header--overlay .brand__name,
.site-header--overlay .brand__tag,
.site-header--overlay .nav__link { color: var(--cream); }
.site-header--overlay .brand__tag { color: rgba(252,250,243,0.75); }
.site-header--overlay .brand__mark { filter: brightness(0) invert(1); }

.site-header.is-scrolled {
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--hairline);
  box-shadow: var(--shadow-sm);
}
.site-header.is-scrolled.site-header--overlay,
.site-header.is-scrolled.site-header--overlay .brand__name,
.site-header.is-scrolled.site-header--overlay .nav__link { color: var(--sumi); }
.site-header.is-scrolled.site-header--overlay .brand__tag { color: var(--stone); }
.site-header.is-scrolled.site-header--overlay .brand__mark { filter: none; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
}
.nav-toggle span {
  width: 26px; height: 2px;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
body.nav-open { overflow: hidden; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 820px) {
  .nav-toggle { display: flex; color: var(--sumi); z-index: 101; }
  .site-header--overlay:not(.is-scrolled) .nav-toggle { color: var(--cream); }
  body.nav-open .nav-toggle { color: var(--sumi); }
  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    background: var(--paper);
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
  }
  body.nav-open .nav { transform: none; }
  .nav__link { font-size: 1.5rem; font-family: var(--font-display); color: var(--sumi) !important; }
}

/* ---------------------------  HERO  ------------------------------- */
.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: 92vh;
  padding-top: 78px;
  overflow: hidden;
  isolation: isolate;
}
.hero--short { min-height: 62vh; align-items: center; }
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img, .hero__media svg { width: 100%; height: 100%; object-fit: cover; }
.hero__scrim {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(30,26,20,0.42) 0%, rgba(30,26,20,0) 22%),
    linear-gradient(0deg, rgba(30,26,20,0.55) 0%, rgba(30,26,20,0.05) 45%);
}
.hero__inner { padding-block: clamp(3rem, 7vw, 6.5rem); color: var(--cream); }
.hero--short .hero__inner { padding-block: clamp(2rem, 5vw, 4rem); }
.hero .eyebrow { color: var(--ochre); }
.hero h1 { color: var(--cream); max-width: 18ch; }
.hero__sub {
  color: rgba(252,250,243,0.9);
  font-size: var(--step-1);
  max-width: 46ch;
  margin-top: var(--space-md);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-lg); }

/* -------------------------  CARDS  -------------------------------- */
.card {
  background: var(--cream);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
              border-color 0.4s var(--ease);
  height: 100%;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--sand); }
.card__icon { width: 52px; height: 52px; margin-bottom: var(--space-md); color: var(--clay); }
.card__icon svg, .card__icon img { width: 100%; height: 100%; }
.card h3 { font-size: var(--step-1); margin-bottom: 0.5rem; }
.card p { color: var(--sumi-soft); font-size: var(--step-0); }
.card__index {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--clay);
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

/* Feature (image + text) tile */
.feature-tile {
  display: block;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--sumi);
  min-height: 340px;
  isolation: isolate;
}
.feature-tile img, .feature-tile svg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: -2;
  transition: transform 0.7s var(--ease);
}
.feature-tile::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(0deg, rgba(30,26,20,0.78) 0%, rgba(30,26,20,0.12) 60%);
}
.feature-tile:hover img, .feature-tile:hover svg { transform: scale(1.05); }
.feature-tile__body { position: absolute; inset: auto 0 0 0; padding: clamp(1.5rem, 3vw, 2.5rem); color: var(--cream); }
.feature-tile__body h3 { color: var(--cream); font-size: var(--step-2); }
.feature-tile__body p { color: rgba(252,250,243,0.85); margin-top: 0.4rem; }

/* -------------------------  PILLAR  ------------------------------- */
.pillar { text-align: left; }
.pillar__art {
  width: 64px; height: 64px; margin-bottom: var(--space-md);
  color: var(--sage-deep);
}
.pillar__art svg, .pillar__art img { width: 100%; height: 100%; }
.pillar h3 { font-size: var(--step-1); margin-bottom: 0.5rem; }
.pillar p { color: var(--sumi-soft); }

/* -------------------------  LISTS  -------------------------------- */
.tick-list { display: grid; gap: 0.85rem; }
.tick-list li {
  position: relative;
  padding-left: 2rem;
  color: var(--sumi-soft);
  max-width: 60ch;
}
.tick-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 12px; height: 12px;
  border: 1px solid var(--clay);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--clay) 0 3px, transparent 3.5px);
}
.tick-list--sage li::before { border-color: var(--sage-deep); background: radial-gradient(circle at center, var(--sage-deep) 0 3px, transparent 3.5px); }

.col-list { columns: 2; column-gap: var(--space-xl); }
@media (max-width: 640px) { .col-list { columns: 1; } }

/* Chips / tags */
.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chip {
  font-size: var(--step--1);
  letter-spacing: 0.02em;
  padding: 0.45em 1em;
  border-radius: 100px;
  background: var(--paper-2);
  border: 1px solid var(--hairline);
  color: var(--sumi-soft);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.chip:hover { background: var(--clay); color: var(--cream); border-color: var(--clay); }
.section--sage .chip { background: rgba(252,250,243,0.08); border-color: rgba(252,250,243,0.25); color: var(--cream); }

/* -----------------------  TIMELINE  ------------------------------ */
.timeline { position: relative; display: grid; gap: var(--space-xl); }
.timeline::before {
  content: "";
  position: absolute;
  left: 11px; top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(var(--clay), var(--sage-deep));
}
.tl-item { position: relative; padding-left: 3.25rem; }
.tl-item::before {
  content: "";
  position: absolute;
  left: 4px; top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--clay);
  box-shadow: 0 0 0 5px var(--paper);
}
.tl-item__year {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-1);
  color: var(--clay);
}
.tl-item h3 { font-size: var(--step-1); margin: 0.2rem 0 0.4rem; }
.tl-item p { color: var(--sumi-soft); }
.section--ink .tl-item::before, .section--sage .tl-item::before { background: var(--sumi); box-shadow: 0 0 0 5px var(--sumi); }
.section--sage .timeline::before { background: linear-gradient(var(--ochre), var(--cream)); }
.section--sage .tl-item__year { color: var(--ochre); }
.section--sage .tl-item p { color: rgba(252,250,243,0.85); }

/* ---------------------  CREDENTIAL CARD  ------------------------- */
.cred {
  display: grid;
  gap: 0.4rem;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--hairline);
}
.cred__top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.cred h3 { font-size: var(--step-1); }
.cred__meta { font-family: var(--font-sans); font-size: var(--step--1); letter-spacing: 0.14em; text-transform: uppercase; color: var(--clay); white-space: nowrap; }
.cred p { color: var(--sumi-soft); }

/* --------------------  QUOTE / STATEMENT  ------------------------ */
.statement { text-align: center; max-width: 30ch; margin-inline: auto; }
.statement__mark { width: 66px; height: 66px; margin: 0 auto var(--space-md); opacity: 0.9; }
.statement__mark svg, .statement__mark img { width: 100%; height: 100%; }
.statement p {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-3);
  line-height: 1.24;
  letter-spacing: -0.015em;
  max-width: none;
}
.statement cite { display: block; font-style: normal; font-family: var(--font-sans); font-size: var(--step--1); letter-spacing: 0.24em; text-transform: uppercase; color: var(--stone); margin-top: var(--space-md); }

.pullquote {
  border-left: 2px solid var(--clay);
  padding-left: var(--space-md);
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-2);
  line-height: 1.3;
  color: var(--sumi);
  max-width: 34ch;
}

/* Two-column "for / not for" */
.forwho { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem,3vw,3rem); }
@media (max-width: 700px){ .forwho { grid-template-columns: 1fr; } }
.forwho__panel { background: var(--cream); border: 1px solid var(--hairline); border-radius: var(--radius-lg); padding: clamp(1.5rem,3vw,2.25rem); }
.forwho__panel--muted { background: transparent; border-style: dashed; }
.forwho h3 { font-size: var(--step-1); margin-bottom: var(--space-sm); }

/* --------------------  SCHEDULE / DETAIL  ----------------------- */
.detail-list { display: grid; gap: 0; }
.detail-list div {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--hairline);
}
.detail-list dt { color: var(--stone); font-size: var(--step--1); letter-spacing: 0.1em; text-transform: uppercase; }
.detail-list dd { font-weight: 500; text-align: right; }

/* -------------------------  FORM  -------------------------------- */
.field { display: grid; gap: 0.4rem; margin-bottom: var(--space-md); }
.field label { font-size: var(--step--1); letter-spacing: 0.14em; text-transform: uppercase; color: var(--sumi-soft); }
.field input, .field textarea {
  font: inherit;
  padding: 0.85em 1em;
  background: var(--cream);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  color: var(--sumi);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--clay);
  box-shadow: 0 0 0 3px rgba(188,108,67,0.15);
}
.form-note {
  margin-top: var(--space-sm);
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ochre);
  min-height: 1.4em;
}
.section--ink .field input, .section--ink .field textarea { background: rgba(252,250,243,0.06); border-color: rgba(252,250,243,0.22); color: var(--cream); }
.section--ink .field label { color: rgba(252,250,243,0.7); }

/* -------------------------  FOOTER  ------------------------------ */
.site-footer { background: var(--sumi); color: var(--paper); padding-block: var(--space-2xl) var(--space-lg); }
.site-footer h2 { color: var(--cream); }
.footer-cta { max-width: 30ch; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(252,250,243,0.14);
}
@media (max-width: 760px){ .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); } }
.footer-col h4 { color: rgba(252,250,243,0.6); font-family: var(--font-sans); font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase; font-weight: 500; margin-bottom: var(--space-sm); }
.footer-col a, .footer-col p { color: rgba(252,250,243,0.85); display: block; padding: 0.2rem 0; transition: color 0.3s var(--ease); max-width: none; }
.footer-col a:hover { color: var(--ochre); }
.footer-brand { display: flex; align-items: center; gap: 0.7rem; margin-bottom: var(--space-sm); }
.footer-brand .brand__mark { filter: brightness(0) invert(1); }
.footer-brand .brand__name { color: var(--cream); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-top: var(--space-xl); font-size: var(--step--1); color: rgba(252,250,243,0.5); }
.footer-jp { font-family: var(--font-display); font-style: italic; letter-spacing: 0.05em; }

/* --------------------  DECOR / MOTIFS  -------------------------- */
.motif-enso { color: var(--clay); }
.deco-rule { display: flex; align-items: center; gap: 1rem; color: var(--hairline); }
.deco-rule::before, .deco-rule::after { content: ""; height: 1px; background: currentColor; flex: 1; }
.deco-seal {
  display: inline-grid; place-items: center;
  width: 46px; height: 46px;
  border: 1px solid var(--clay);
  color: var(--clay);
  border-radius: 6px;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

/* ----------------------  UTILITIES  ---------------------------- */
.text-center { text-align: center; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.muted { color: var(--sumi-soft); }
.max-narrow { max-width: var(--container-narrow); }
.mx-auto { margin-inline: auto; }
.jp { font-family: var(--font-display); font-style: italic; }
.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;
}
.skip-link {
  position: absolute; left: 1rem; top: -60px; z-index: 200;
  background: var(--clay); color: var(--cream);
  padding: 0.6rem 1rem; border-radius: var(--radius);
  transition: top 0.25s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* ---------------------  SCROLL REVEAL  --------------------------
   Progressive enhancement: content is visible by default. Only when JS
   adds `.js` to <html> do we hide-then-reveal on scroll. No JS / no IO =
   content simply shows. */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .card:hover, .feature-tile:hover img, .feature-tile:hover svg { transform: none; }
}