/* ============================================================
   Dokusha Éditions — Coming Soon
   Minimalist · Editorial · Bilingual (FR / JA)
   ============================================================ */

:root {
  --bg:           #FAF8F4;   /* off-white, slightly warm — washi paper feel */
  --bg-soft:      #F1ECE3;
  --ink:          #122452;   /* deep navy — matches logo */
  --ink-soft:     #3B4566;
  --ink-mute:     #7A8199;
  --accent:       #C8262A;   /* red — matches logo */
  --rule:         #1B264A;
  --rule-soft:    rgba(14, 27, 61, 0.12);

  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-jp:      'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;

  --max:          720px;
  --pad-x:        clamp(1.25rem, 5vw, 2.5rem);
}

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

html, body { margin: 0; padding: 0; }

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* ---------- Body ---------- */
body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  line-height: 1.6;

  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Subtle paper-texture background using pure CSS — no images */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(14, 27, 61, 0.03), transparent 60%),
    radial-gradient(900px 500px at 100% 110%, rgba(200, 38, 42, 0.025), transparent 60%);
}

/* ---------- Header ---------- */
.site-header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem var(--pad-x) 1rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  height: 56px;
  width: auto;
  user-select: none;
}

@media (max-width: 480px) {
  .brand-logo { height: 44px; }
}

/* ---------- Language toggle ---------- */
.lang-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: transparent;
  transition:
    background-color 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease,
    transform 0.2s ease;
}

.lang-toggle:hover,
.lang-toggle:focus-visible {
  background: var(--ink);
  color: var(--bg);
  outline: none;
}

.lang-toggle:active { transform: scale(0.97); }

.lang-toggle__current {
  font-family: var(--font-jp);
  font-weight: 500;
}

html[data-lang="ja"] .lang-toggle__current {
  font-family: var(--font-sans);
  letter-spacing: 0.08em;
}

/* ---------- Main / Page ---------- */
.page {
  position: relative;
  z-index: 1;
  flex: 1 0 auto;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem var(--pad-x) 4rem;
}

@media (min-width: 768px) {
  .page { padding-top: 4.5rem; padding-bottom: 6rem; }
}

/* ---------- Lang block fade ---------- */
.lang-block {
  animation: fade-in 0.55s ease both;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Eyebrow ---------- */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.75rem;
}

.eyebrow--ja {
  font-family: var(--font-jp);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: none;
}

/* ---------- Hero title ---------- */
.hero-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  color: var(--ink);
}

.hero-title--ja {
  font-family: var(--font-jp);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.35;
  font-size: clamp(1.7rem, 4.4vw, 2.5rem);
}

.hero-title__sep {
  display: inline-block;
  margin: 0 0.5rem;
  color: var(--accent);
  font-weight: 400;
}

.hero-title__line2 {
  display: block;
  margin-top: 0.4rem;
  font-weight: 500;
  color: var(--ink-soft);
  font-size: 0.78em;
}

.hero-title--ja .hero-title__line2 {
  font-weight: 500;
  color: var(--ink-soft);
}

/* ---------- Hero subtitle ---------- */
.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 38em;
  margin: 0 0 2.5rem;
}

.hero-subtitle--ja {
  font-family: var(--font-jp);
  font-weight: 400;
  line-height: 1.85;
}

/* ---------- Divider ---------- */
.divider {
  width: 56px;
  height: 1px;
  background: var(--rule);
  margin: 0 0 3rem;
  opacity: 0.5;
}

/* ---------- Blocks ---------- */
.block { margin: 0 0 2.75rem; }

.block:last-child { margin-bottom: 0; }

.block__heading {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.block__heading::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 1px;
  background: var(--accent);
}

.block__heading--ja {
  font-family: var(--font-jp);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: none;
  font-size: 0.95rem;
}

.block__body {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0;
  max-width: 40em;
}

.block__body em {
  font-style: normal;
  font-weight: 600;
  color: var(--ink);
  background: linear-gradient(transparent 62%, rgba(200, 38, 42, 0.18) 62%);
  padding: 0 0.1em;
}

.block__body--ja {
  font-family: var(--font-jp);
  font-weight: 400;
  line-height: 2;
  letter-spacing: 0.02em;
}

/* ---------- Promises (numbered list, JA section) ---------- */
.promises {
  list-style: none;
  counter-reset: promise;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.6rem;
}

.promises__item {
  counter-increment: promise;
  position: relative;
  padding: 1.25rem 1.4rem 1.25rem 3.6rem;
  background: var(--bg-soft);
  border-left: 2px solid var(--accent);
  border-radius: 2px;
}

.promises__item::before {
  content: counter(promise, decimal-leading-zero);
  position: absolute;
  left: 1.3rem;
  top: 1.2rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.promises__title {
  font-family: var(--font-jp);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 0.45rem;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.promises__body {
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: 0.95rem;
  line-height: 1.95;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  border-top: 1px solid var(--rule-soft);
  background: var(--bg);
  padding: 3rem var(--pad-x) 2rem;
}

.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
}

@media (min-width: 640px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.footer-col { min-width: 0; }

.footer-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.9rem;
}

.footer-label--ja {
  font-family: var(--font-jp);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: none;
  font-size: 0.82rem;
}

.footer-line {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 0.2rem;
}

.footer-line--muted { color: var(--ink-mute); }

.footer-line--ja {
  font-family: var(--font-jp);
  font-weight: 400;
}

.footer-mail {
  color: var(--ink);
  border-bottom: 1px solid var(--rule-soft);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-mail:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.footer-copy {
  max-width: var(--max);
  margin: 2.5rem auto 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  text-align: center;
}

/* ---------- Selection / Focus ---------- */
::selection {
  background: var(--ink);
  color: var(--bg);
}

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

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