/* ============================================================
   Homecoming Japan — Basis-Stylesheet
   Eine Datei für alle Seiten (EN Wurzel · /de/ · /ja/)
   Markenfarbe Gold #C9A84C
   ============================================================ */

:root {
  --gold: #C9A84C;
  --gold-dark: #a8893a;
  --gold-soft: #f3ecd8;
  --ink: #1c1a17;
  --ink-soft: #4a463f;
  --paper: #fbf9f4;
  --paper-warm: #f5f1e8;
  --line: #e5ddc9;
  --white: #ffffff;
  --maxw: 1140px;
  --radius: 4px;
  --shadow: 0 8px 30px rgba(28, 26, 23, 0.08);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1.1em; }

a { color: var(--gold-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gold-dark);
  font-family: var(--sans);
  margin: 0 0 0.8em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 30px;
  border-radius: var(--radius);
  border: 1.5px solid var(--gold);
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--gold);
  color: var(--ink);
}
.btn-primary:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: var(--white);
  text-decoration: none;
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover {
  background: var(--gold-soft);
  text-decoration: none;
}
.btn + .btn { margin-left: 12px; }

/* ---------- Navigation ---------- */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 24px;
  position: relative;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}
.nav-logo:hover { text-decoration: none; }
.nav-logo .kanji { color: var(--gold-dark); font-size: 1.4rem; }

.nav-links {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--ink-soft);
  font-size: 0.98rem;
  font-weight: 500;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-dark); text-decoration: none; }

.nav-lang {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.82rem;
  white-space: nowrap;
}
.nav-lang a {
  color: var(--ink-soft);
  padding: 4px 6px;
  border-radius: 3px;
}
.nav-lang a.active { color: var(--ink); font-weight: 700; background: var(--gold-soft); }

.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--ink);
}

/* ---------- Mobile menu ---------- */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.mobile-menu a { color: var(--ink); padding: 10px 0; border-bottom: 1px solid var(--line); }
.mobile-menu.open { display: flex; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--paper-warm) 0%, var(--paper) 100%);
  padding: clamp(70px, 12vw, 140px) 0 clamp(60px, 9vw, 110px);
  text-align: center;
}
.hero .container { max-width: 880px; }
.hero h1 { margin-bottom: 0.35em; }
.hero .subline {
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto 1.8em;
}
.hero .kanji-mark {
  font-family: var(--serif);
  font-size: 2.4rem;
  color: var(--gold-dark);
  margin-bottom: 0.4em;
}

/* ---------- Sections ---------- */
section { padding: clamp(50px, 8vw, 90px) 0; }
.section-tint { background: var(--paper-warm); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 3rem; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
}
.card .icon { font-size: 1.8rem; margin-bottom: 0.5em; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #cfc8b8;
  padding: 60px 0 30px;
  font-size: 0.95rem;
}
.site-footer a { color: #e6dcc2; }
.site-footer h4 {
  color: var(--white);
  font-family: var(--sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1em;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-brand .kanji { color: var(--gold); font-size: 1.4rem; }
.footer-bottom {
  border-top: 1px solid #3a352c;
  padding-top: 24px;
  color: #8c8473;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .btn { display: block; text-align: center; }
  .btn + .btn { margin-left: 0; margin-top: 12px; }
}