/* HISUMI Master Stylesheet
   Die Startseite funktioniert vollständig ohne JavaScript.
   JavaScript ergänzt nur Menü und Header-Verhalten. */

:root {
  --ink: #171717;
  --ink-soft: #292929;
  --paper: #f2efe9;
  --paper-deep: #e6e0d7;
  --white: #fff;
  --muted: #706a62;
  --bronze: #9b7658;
  --line: rgba(23, 23, 23, .16);
  --line-light: rgba(255, 255, 255, .22);
  --max: 1480px;
  --header: 78px;
  --ease: 260ms ease;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

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

h1,
h2,
h3,
p { margin-top: 0; }

h1,
h2,
h3 {
  font-weight: 400;
  line-height: .98;
  letter-spacing: -.05em;
}

h1 { margin-bottom: 1.5rem; font-size: clamp(4rem, 8.5vw, 8.6rem); }
h2 { font-size: clamp(3rem, 5.4vw, 5.8rem); }
h3 { font-size: clamp(1.8rem, 2.6vw, 2.8rem); }

.shell {
  width: min(calc(100% - 64px), var(--max));
  margin-inline: auto;
}

.section { padding-block: clamp(90px, 9vw, 150px); }

.kicker {
  margin-bottom: 18px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.sr-only {
  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: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  transform: translateY(-160%);
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
}
.skip-link:focus { transform: none; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 22px;
  border: 1px solid transparent;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease);
}
.button:hover { transform: translateY(-2px); }
.button-light { background: var(--white); color: var(--ink); }
.button-light:hover { background: var(--paper); }
.button-outline { border-color: rgba(255,255,255,.55); color: var(--white); }
.button-outline:hover { background: var(--white); color: var(--ink); }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark:hover { background: var(--bronze); }

.line-link {
  display: inline-flex;
  width: fit-content;
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  transition: opacity var(--ease);
}
.line-link:hover { opacity: .5; }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  color: var(--white);
  transition: background var(--ease), color var(--ease), box-shadow var(--ease);
}
.site-header.is-scrolled,
.site-header.menu-active {
  background: rgba(242,239,233,.96);
  color: var(--ink);
  box-shadow: 0 1px var(--line);
  backdrop-filter: blur(14px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header);
}
.brand {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .28em;
}
.desktop-nav {
  display: flex;
  gap: clamp(24px, 3vw, 46px);
}
.desktop-nav a,
.language {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.desktop-nav a:hover,
.language:hover { opacity: .55; }
.header-actions { display: flex; align-items: center; gap: 22px; }

.menu-button {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  color: currentColor;
  cursor: pointer;
}
.menu-button span {
  display: block;
  width: 24px;
  height: 1px;
  margin: 7px auto;
  background: currentColor;
  transition: transform var(--ease);
}
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: var(--header) 0 0;
  display: grid;
  align-content: start;
  gap: 18px;
  padding: 48px 32px;
  background: var(--paper);
  color: var(--ink);
}
.mobile-menu[hidden] { display: none; }
.mobile-menu a {
  font-size: clamp(2.6rem, 10vw, 4.2rem);
  line-height: 1;
  letter-spacing: -.05em;
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 100svh;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}
.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-image { object-fit: cover; object-position: center; }
.hero-shade {
  background:
    linear-gradient(90deg, rgba(10,10,10,.76) 0%, rgba(10,10,10,.47) 34%, rgba(10,10,10,.1) 70%, rgba(10,10,10,.02) 100%),
    linear-gradient(0deg, rgba(10,10,10,.38) 0%, rgba(10,10,10,0) 48%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--header) + 70px);
  padding-bottom: clamp(84px, 9vw, 140px);
}
.hero-content h1 { max-width: 9ch; }
.hero-copy {
  max-width: 560px;
  margin-bottom: 0;
  font-size: clamp(17px, 1.25vw, 20px);
  color: rgba(255,255,255,.82);
}
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.scroll-note {
  position: absolute;
  right: 34px;
  bottom: 34px;
  z-index: 3;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

/* Materials */
.materials { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.material-panel {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  min-height: 640px;
}
.material-metal { background: var(--paper-deep); }
.material-wood { background: var(--ink); color: var(--white); }
.material-panel:nth-child(3) .material-image { order: 2; }
.material-image { min-height: 380px; overflow: hidden; background: #d8d3cb; }
.material-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}
.material-panel:hover img { transform: scale(1.025); }
.material-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(42px, 4vw, 72px);
}
.material-copy h3 { margin-bottom: 28px; }
.material-copy p:not(.kicker) {
  margin-bottom: 30px;
  color: var(--muted);
}
.material-wood .material-copy p:not(.kicker) { color: rgba(255,255,255,.68); }

/* Section heading */
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 50px;
}
.section-head h2 { margin-bottom: 0; }
.section-head > p { max-width: 460px; margin-bottom: 4px; color: var(--muted); }
.section-end { display: flex; justify-content: flex-end; margin-top: 34px; }

/* Collection */
.collection-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.collection-card { overflow: hidden; background: var(--ink); }
.collection-card a {
  position: relative;
  display: block;
  aspect-ratio: .76;
  overflow: hidden;
  color: var(--white);
}
.collection-card img,
.card-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.collection-card img {
  object-fit: cover;
  transition: transform 700ms ease;
}
.card-shade { background: linear-gradient(0deg, rgba(0,0,0,.68), rgba(0,0,0,0) 60%); }
.card-caption {
  position: absolute;
  inset: auto 22px 22px;
  z-index: 2;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}
.card-caption strong {
  display: block;
  font-size: clamp(24px, 2vw, 34px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -.04em;
}
.card-caption small { display: block; margin-top: 8px; color: rgba(255,255,255,.68); }
.card-caption b { font-size: 22px; font-weight: 400; transition: transform var(--ease); }
.collection-card:hover img { transform: scale(1.045); }
.collection-card:hover b { transform: translateX(6px); }

/* Featured */
.featured {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  min-height: 760px;
  background: var(--white);
}
.featured-image { min-height: 620px; overflow: hidden; background: #ddd; }
.featured-image img { width: 100%; height: 100%; object-fit: cover; }
.featured-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(56px, 7vw, 110px);
}
.featured-copy h2 { margin-bottom: 38px; }
.spec-list { margin-bottom: 36px; border-top: 1px solid var(--line); }
.spec-list li { padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--muted); }

/* Qualities */
.qualities {
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.quality {
  min-height: 290px;
  padding: 34px;
  border-right: 1px solid var(--line);
}
.quality:last-child { border-right: 0; }
.quality > span { display: block; margin-bottom: 74px; font-size: 24px; }
.quality h3 { margin-bottom: 12px; font-size: 19px; letter-spacing: -.025em; }
.quality p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

/* Manufactory */
.manufactory { background: var(--ink); color: var(--white); }
.manufactory-grid {
  display: grid;
  grid-template-columns: 1.08fr repeat(3, minmax(0,1fr));
  gap: 18px;
}
.manufactory-intro {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-right: 28px;
}
.manufactory-intro h2 { margin-bottom: 28px; }
.manufactory-intro > p:not(.kicker) { margin-bottom: 30px; color: rgba(255,255,255,.68); }
.process img {
  width: 100%;
  aspect-ratio: .82;
  object-fit: cover;
  transition: transform 700ms ease;
}
.process { overflow: hidden; }
.process > span {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-top: 14px;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.process b,
.process i { font-style: normal; font-weight: 700; }
.process:hover img { transform: scale(1.04); }

/* Journal */
.journal { background: var(--paper-deep); }
.journal-grid {
  display: grid;
  grid-template-columns: .95fr repeat(3, minmax(0,1fr));
  gap: 18px;
}
.journal-intro { padding-right: 28px; }
.journal-intro h2 { margin-bottom: 34px; font-size: clamp(2.8rem, 4vw, 4.7rem); }
.journal-card img {
  width: 100%;
  aspect-ratio: 1.2;
  object-fit: cover;
  margin-bottom: 18px;
  transition: transform 700ms ease;
}
.journal-card { overflow: hidden; }
.journal-card time { display: block; margin-bottom: 8px; color: var(--muted); font-size: 12px; }
.journal-card h3 { margin-bottom: 18px; font-size: 22px; line-height: 1.15; letter-spacing: -.03em; }
.journal-card:hover img { transform: scale(1.04); }

/* Contact */
.contact-band { padding-block: clamp(70px, 7vw, 110px); background: var(--bronze); color: var(--white); }
.contact-grid {
  display: grid;
  grid-template-columns: .72fr 1.55fr auto;
  align-items: end;
  gap: 46px;
}
.contact-brand { display: grid; gap: 4px; }
.contact-brand strong { letter-spacing: .26em; }
.contact-brand span { color: rgba(255,255,255,.7); font-size: 13px; }
.contact-grid h2 { max-width: 13ch; margin-bottom: 0; font-size: clamp(2.6rem, 4.5vw, 5rem); }

/* Footer */
.site-footer { padding: 58px 0 28px; background: var(--ink); color: var(--white); }
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 42px;
  padding-bottom: 42px;
}
.footer-top p { margin: 8px 0 0; color: rgba(255,255,255,.56); font-size: 13px; }
.footer-top nav { display: flex; flex-wrap: wrap; gap: 18px 34px; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line-light);
  color: rgba(255,255,255,.55);
  font-size: 12px;
}

/* Tablet */
@media (max-width: 1180px) {
  .desktop-nav { display: none; }
  .menu-button { display: block; }
  .materials { grid-template-columns: 1fr; }
  .collection-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .featured { grid-template-columns: 1fr; }
  .featured-image { min-height: 680px; }
  .qualities { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .quality:nth-child(even) { border-right: 0; }
  .quality:last-child { grid-column: 1/-1; border-top: 1px solid var(--line); }
  .manufactory-grid,
  .journal-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .manufactory-intro,
  .journal-intro { min-height: 360px; }
  .contact-grid { grid-template-columns: 1fr; align-items: start; }
}

/* Mobile */
@media (max-width: 720px) {
  :root { --header: 68px; }
  .shell { width: min(calc(100% - 30px), var(--max)); }
  .section { padding-block: 74px; }
  .language { display: none; }

  h1 { font-size: clamp(3.55rem, 17vw, 5.2rem); }
  h2 { font-size: clamp(2.7rem, 13vw, 4.2rem); }

  .hero { min-height: 92svh; }
  .hero-content { padding-top: calc(var(--header) + 60px); padding-bottom: 64px; }
  .hero-shade {
    background:
      linear-gradient(90deg, rgba(10,10,10,.72), rgba(10,10,10,.26)),
      linear-gradient(0deg, rgba(10,10,10,.58), rgba(10,10,10,0) 55%);
  }
  .button-row { flex-direction: column; max-width: 330px; }
  .scroll-note { display: none; }

  .material-panel { grid-template-columns: 1fr; min-height: auto; }
  .material-panel:nth-child(3) .material-image { order: 0; }
  .material-image { min-height: 360px; }
  .material-copy { padding: 48px 24px 56px; }

  .section-head { display: block; margin-bottom: 34px; }
  .section-head > p { margin-top: 18px; }
  .section-end { justify-content: flex-start; }

  .collection-grid,
  .manufactory-grid,
  .journal-grid { grid-template-columns: 1fr; }
  .collection-card a { aspect-ratio: .9; }

  .featured-image { min-height: 420px; }
  .featured-copy { padding: 58px 24px; }

  .qualities { grid-template-columns: 1fr; }
  .quality,
  .quality:nth-child(even) { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .quality:last-child { grid-column: auto; border-top: 0; border-bottom: 0; }
  .quality > span { margin-bottom: 42px; }

  .manufactory-intro,
  .journal-intro { min-height: auto; padding-right: 0; margin-bottom: 16px; }

  .footer-top { display: grid; }
  .footer-top nav { justify-content: flex-start; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}