/* PACHA-Japan — base, layout, header, footer, buttons
   Mobile-first, design compact. Couleurs reprises du logo. */

@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/plus-jakarta-sans-latin-wght.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/plus-jakarta-sans-latin-ext-wght.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --navy-900: #0c1f3d;
  --navy: #14305a;
  --blue: #1c447c;
  --blue-500: #3d6199;
  --red: #b42424;
  --red-700: #941d1d;
  --white: #ffffff;
  --gray-50: #f4f6f9;
  --gray-100: #e6eaf0;
  --gray-300: #c3ccd8;
  --gray-600: #586575;
  --text: #1b2533;

  --red-50: #fdf1f1;
  --blue-50: #eef3fa;
  --shadow-sm: 0 1px 2px rgb(12 31 61 / 0.06);
  --shadow: 0 2px 4px rgb(12 31 61 / 0.04), 0 8px 24px rgb(12 31 61 / 0.08);
  --shadow-lg: 0 4px 8px rgb(12 31 61 / 0.06), 0 20px 48px rgb(12 31 61 / 0.16);

  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Noto Sans", "Hiragino Sans", sans-serif;

  --radius: 5px;
  --radius-lg: 8px;
  --container: 70rem;
  --gutter: 1rem;
  --header-h: 3.5rem;
}

@media (min-width: 48rem) {
  :root { --gutter: 1.5rem; }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.75rem);
}

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 0.9375rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  color: var(--text);
  background: var(--white);
}

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

h1, h2, h3, h4 {
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(1.6rem, 2.5vw + 0.9rem, 2.35rem); }
h2 { font-size: clamp(1.25rem, 1.2vw + 0.95rem, 1.65rem); }
h3 { font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; }

p { margin: 0 0 0.75rem; }

a { color: var(--blue); text-underline-offset: 0.15em; }
a:hover { color: var(--red); }

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

.visually-hidden {
  position: absolute !important;
  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: -3rem;
  z-index: 100;
  padding: 0.4rem 0.8rem;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
}
.skip-link:focus { top: 0.4rem; color: var(--white); }

/* ---------- Layout ---------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: 2rem; }
@media (min-width: 48rem) { .section { padding-block: 2.75rem; } }

.section--alt { background: var(--gray-50); }
.section--dark { background: var(--navy); color: var(--gray-100); }
.section--dark h2, .section--dark h3 { color: var(--white); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  margin-bottom: 1.1rem;
}
.section-head h2 { margin: 0; }
.section-head p { flex-basis: 100%; max-width: 44rem; margin: 0.25rem 0 0; color: var(--gray-600); }
.section--dark .section-head p { color: var(--gray-300); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
}
.eyebrow::before {
  content: "";
  width: 1.25rem; height: 2px;
  background: currentColor;
}
.section--dark .eyebrow { color: #f19999; }

.grid { display: grid; gap: 0.75rem; }
@media (min-width: 40rem) { .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 64rem) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.5rem;
  padding: 0.45rem 1.1rem;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.btn--sm { min-height: 2.1rem; padding: 0.25rem 0.85rem; }
.btn--primary { background: var(--red); color: var(--white); box-shadow: 0 4px 14px rgb(180 36 36 / 0.3); }
.btn--primary:hover { background: var(--red-700); color: var(--white); }
.btn svg { width: 1rem; height: 1rem; }
.btn--ghost { border-color: rgb(255 255 255 / 0.35); color: var(--white); background: rgb(255 255 255 / 0.06); }
.btn--ghost:hover { border-color: var(--white); background: var(--white); color: var(--navy); }
.btn--outline { border-color: var(--blue); color: var(--blue); background: transparent; }
.btn--outline:hover { background: var(--blue); color: var(--white); }
.btn--light { border-color: var(--white); color: var(--white); background: transparent; }
.btn--light:hover { background: var(--white); color: var(--red); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.link-arrow {
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--red);
  white-space: nowrap;
}
.link-arrow::after { content: " →"; }
.link-arrow:hover { text-decoration: underline; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(255 255 255 / 0.97);
  border-bottom: 1px solid var(--gray-100);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; flex: none; }
.brand img { width: auto; height: 2.6rem; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--navy);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
}
.nav-toggle__icon,
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  display: block;
  width: 1rem; height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s;
}
.nav-toggle__icon { position: relative; }
.nav-toggle__icon::before,
.nav-toggle__icon::after { content: ""; position: absolute; left: 0; }
.nav-toggle__icon::before { top: -5px; }
.nav-toggle__icon::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after { transform: translateY(-5px) rotate(-45deg); }

.site-nav {
  position: absolute;
  inset: var(--header-h) 0 auto 0;
  padding: 0.5rem var(--gutter) 1rem;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  box-shadow: 0 6px 16px rgb(20 48 90 / 0.08);
}
/* Sans JS, le menu reste visible (pas de classe .js sur <html>) */
.js .site-nav[data-open="false"] { display: none; }

.site-nav ul { list-style: none; margin: 0; padding: 0; }
.site-nav__links a {
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-100);
  color: var(--navy);
  text-decoration: none;
  font-weight: 500;
}
.site-nav__links a:hover,
.site-nav__links a[aria-current="page"] { color: var(--red); }

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.8rem;
  font-weight: 600;
}
.lang-switch a,
.lang-switch span {
  padding: 0.3rem 0.55rem;
  text-decoration: none;
  color: var(--navy);
}
.lang-switch [aria-current="true"] { background: var(--blue); color: var(--white); }

@media (min-width: 72rem) {
  .nav-toggle { display: none; }
  .site-nav,
  .js .site-nav[data-open="false"] {
    position: static;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 0;
    border: 0;
    box-shadow: none;
    background: transparent;
  }
  .site-nav__links { display: flex; gap: 0.9rem; white-space: nowrap; }
  .site-nav__links a { padding: 0.2rem 0; border: 0; font-size: 0.875rem; }
  .site-nav__actions { margin-top: 0; }
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--gray-50);
  border-top: 3px solid var(--red);
  color: var(--gray-600);
  padding-block: 1.75rem 1rem;
  font-size: 0.875rem;
}
.site-footer a { color: var(--navy); text-decoration: none; }
.site-footer a:hover { color: var(--red); text-decoration: underline; }
.site-footer h2 {
  margin-bottom: 0.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li + li { margin-top: 0.2rem; }

.footer-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(2, 1fr); }
.footer-brand { grid-column: 1 / -1; }
@media (min-width: 48rem) {
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
  .footer-brand { grid-column: auto; }
}
.footer-brand img { width: 11rem; height: auto; }
.footer-brand p { margin: 0.5rem 0 0; max-width: 20rem; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  margin-top: 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-100);
  font-size: 0.8rem;
}
.footer-bottom p { margin: 0; }