/* ============================================================
   hero.css — Preloader · Nav · Hero · Manifest
   Mobile-first. Große Bühne ab @media (min-width: 900px).
   Nutzt ausschließlich Tokens aus tokens.css und Helfer aus base.css.
   ============================================================ */

/* ============================================================
   1 — PRELOADER
   Kalkputz-Fläche, Kellenstrich zieht sich auf, Zähler 1959 → 2026.
   Ohne JS gar nicht sichtbar (kein Blockieren der Seite).
   ============================================================ */

.preloader {
  position: fixed;
  inset: 0;
  z-index: var(--z-preloader);
  background: var(--bg-1);
  display: grid;
  place-items: center;
  will-change: transform;
}
html:not(.js) .preloader { display: none; }

.preloader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(18px, 3vw, 30px);
  padding-inline: var(--gutter);
}
.preloader__logo {
  width: clamp(84px, 12vw, 128px);
  height: auto;
}

/* Startzustand des Spachtelzugs — nur wenn JS ihn auch animieren kann */
html.js .preloader__strich { clip-path: inset(0 100% 0 0); }

.preloader__count {
  font-family: var(--font-mono);
  font-size: clamp(0.875rem, 3vw, 1.125rem);
  font-weight: 500;
  letter-spacing: 0.28em;
  padding-left: 0.28em;             /* gleicht die letzte Letter-Spacing-Lücke aus */
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
}

/* Kein Preloader-Theater bei reduzierter Bewegung */
@media (prefers-reduced-motion: reduce) {
  html.js .preloader__strich { clip-path: none; }
  .preloader { display: none; }
}

/* Scroll-Sperre während des Preloaders */
html.is-preloading, html.is-preloading body { overflow: hidden; }


/* ============================================================
   2 — NAV
   Transparent über dem Hero, ab ~80vh solide mit Kellenstrich-Linie.
   ============================================================ */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  background: transparent;
  transition: background 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Untere Linie zieht sich wie ein Kellenstrich ein */
.nav::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--line);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav.is-solid { background: var(--bg-1); }
.nav.is-solid::after { transform: scaleX(1); }

.nav__inner {
  /* Nav-Höhe: identischer Wert im Hero-Padding (siehe .hero) */
  min-height: clamp(64px, 8.5vh, 88px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
}

/* ---------- Wortmarke ---------- */
.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;
  flex-wrap: nowrap;
}
.nav__logo {
  height: clamp(40px, 5vw, 52px);
  width: auto;
  flex: none;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav__brand:hover .nav__logo,
.nav__brand:focus-visible .nav__logo { transform: scale(1.04); }

.nav__tag {
  display: none;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-size: 0.6875rem;
  line-height: 1;
}

/* ---------- Desktop-Links ---------- */
.nav__desktop { display: none; }

/* ---------- Burger ---------- */
.nav__burger {
  width: 48px;
  height: 44px;
  margin-right: -10px;
  display: grid;
  place-items: center;
  border-radius: var(--r-xs);
}
.nav__burger-bars {
  display: block;
  width: 26px;
  height: 12px;
  position: relative;
}
.nav__burger-bar {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--fg-1);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.2s linear;
}
.nav__burger-bar:first-child { top: 0; }
.nav__burger-bar:last-child  { bottom: 0; }
.nav__burger[aria-expanded="true"] .nav__burger-bar:first-child { transform: translateY(5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] .nav__burger-bar:last-child  { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Fullscreen-Overlay-Menü ---------- */
.nav__overlay {
  position: fixed;
  inset: 0;
  z-index: -1;                     /* liegt hinter der Nav-Leiste selbst */
  background: var(--bg-1);
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.45s cubic-bezier(0.22, 1, 0.36, 1), visibility 0s linear 0.45s;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.nav__overlay.is-open {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1), visibility 0s linear 0s;
}
.nav__overlay-inner {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(28px, 6vh, 56px);
  padding-block: calc(clamp(64px, 8.5vh, 88px) + var(--space-l)) var(--space-l);
}
.nav__overlay-list {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 2vh, 18px);
}
.nav__overlay-link {
  display: flex;
  align-items: baseline;
  gap: 0.7em;
  min-height: 44px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.75rem, 9.6vw, 3rem);
  line-height: 1.05;
  letter-spacing: var(--display-letter-spacing);
  text-transform: uppercase;
  color: var(--fg-1);
  transition: color 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav__overlay-link:hover,
.nav__overlay-link:focus-visible { color: var(--accent); }
.nav__overlay-num {
  font-size: 0.6875rem;
  color: var(--fg-muted);
  flex: none;
}
.nav__overlay-foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-m);
  padding-top: var(--space-m);
  border-top: 1px solid var(--line);
}
.nav__overlay-strich { width: 4rem; }
.nav__overlay-meta {
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* Sperrt den Seiten-Scroll, solange das Menü offen ist */
html.nav-open, html.nav-open body { overflow: hidden; }


/* ============================================================
   3 — HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* obere Nav-Höhe + Luft */
  padding-block: calc(clamp(64px, 8.5vh, 88px) + clamp(14px, 2.6vh, 44px)) clamp(18px, 2.4vh, 36px);
}

.hero__grid {
  flex: 1 1 auto;
  display: grid;
  grid-template-rows: auto auto auto;
  align-content: space-between;
  row-gap: clamp(20px, 3vh, 44px);
}

/* ---------- Eyebrow ---------- */
.hero__eyebrow { margin-bottom: clamp(14px, 2.4vh, 26px); }
.hero__eyebrow .strich { flex: none; }

/* ---------- Headline ---------- */
.hero__title { margin: 0; }
.hero__line {
  display: block;
  overflow: hidden;
  /* verhindert das Anschneiden von Ober-/Unterlängen im Masken-Wrapper */
  padding-block: 0.06em;
  margin-block: -0.06em;
}
.hero__line-inner {
  display: block;
  will-change: transform;
}
.hero__dot { color: inherit; }

/* Sicherheitsnetz für schmale Displays: die Token-Untergrenze (3.25rem)
   würde „ROHBAU ZUM" innerhalb der Zeilenmaske umbrechen lassen.
   10.6vw hält alle drei Zeilen bis hinunter zu 320px einzeilig. */
@media (max-width: 560px) {
  .hero__title { font-size: clamp(2.35rem, 10.6vw, 3.25rem); }
}

/* ---------- Stage: CTAs + Bildfläche ---------- */
.hero__stage {
  display: grid;
  gap: clamp(18px, 2.6vh, 44px);
  min-height: 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
}

.hero__media {
  position: relative;
  /* exakter Abstand vom Container-Rand zum Viewport-Rand → randloser Anschnitt */
  --edge: calc((100vw - min(100vw - 2 * var(--gutter), var(--max-w))) / 2);
  margin-inline: calc(-1 * var(--edge));
  aspect-ratio: 2 / 1;               /* reserviert Platz → kein Layout-Shift */
  overflow: hidden;
  background: var(--bg-3);

  /* Kellenstrich-Maske: rauer Abriss oben und unten */
  --clip-open: polygon(
    0% 4%, 12% 1.4%, 26% 3.4%, 41% 0.8%, 57% 3%, 72% 1%, 87% 3.2%, 100% 1.4%,
    100% 98%, 86% 100%, 70% 97.6%, 54% 99.8%, 38% 97.4%, 22% 99.6%, 8% 97.2%, 0% 99%
  );
  --clip-shut: polygon(
    0% 4%, 1.4% 1.4%, 3% 3.4%, 4.6% 0.8%, 6.2% 3%, 7.8% 1%, 9.2% 3.2%, 10% 1.4%,
    10% 98%, 9.2% 100%, 7.8% 97.6%, 6.2% 99.8%, 4.6% 97.4%, 3% 99.6%, 1.4% 97.2%, 0% 99%
  );
  clip-path: var(--clip-open);
  transition: clip-path 1s cubic-bezier(0.16, 1, 0.3, 1);
}
/* Geschlossen, solange JS den Spachtelzug noch nicht ausgelöst hat */
html.js .hero__media:not(.is-drawn) { clip-path: var(--clip-shut); }

.hero__img {
  position: absolute;
  inset: -8% 0 auto 0;
  width: 100%;
  height: 116%;                      /* Reserve für den Parallax-Drift */
  object-fit: cover;
  object-position: 50% 50%;
  will-change: transform;
}

/* ---------- Fuß: Metadaten + Scroll-Hinweis ---------- */
.hero__foot {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 2vh, 24px);
}

.hero__meta {
  display: flex;
  flex-direction: column;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-size: 0.6875rem;
  line-height: 1.5;
  border-top: 1px solid var(--line);
}
.hero__meta > li {
  padding-block: 0.5em;
  border-bottom: 1px solid var(--line);
}
.hero__meta > li:last-child { border-bottom: 0; }

.hero__scroll {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.85em;
  min-height: 44px;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-size: 0.6875rem;
  transition: color 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.hero__scroll:hover, .hero__scroll:focus-visible { color: var(--fg-1); }
.hero__scroll-track {
  display: block;
  position: relative;
  width: 1px;
  height: 26px;
  background: var(--line-strong);
  overflow: hidden;
}
.hero__scroll-dot {
  position: absolute;
  inset: 0 0 auto 0;
  height: 10px;
  background: var(--accent);
}


/* ============================================================
   4 — MANIFEST
   ============================================================ */

.manifest { scroll-margin-top: clamp(64px, 8.5vh, 88px); }

.manifest__inner {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.manifest__statement {
  font-size: var(--t-xxl);
  font-weight: 700;
  text-transform: none;
  letter-spacing: -0.02em;
  line-height: 1.14;
  max-width: 16em;
  color: var(--fg-1);
}
/* Putz-Schleier: Wörter starten fast unsichtbar und werden freigelegt */
html.js .manifest__statement .split-word { opacity: 0.14; }
.manifest__statement .split-word.accent {
  color: var(--fg-1);
  background: linear-gradient(104deg,
    transparent 0.4%, var(--accent-bright) 1.8%,
    var(--accent-bright) 98%, transparent 99.4%);
  padding-inline: 0.06em;
}

.manifest__divider { align-self: start; }

.manifest__text {
  font-size: var(--t-m);
  color: var(--fg-2);
  max-width: 46ch;
}

@media (prefers-reduced-motion: reduce) {
  html.js .manifest__statement .split-word { opacity: 1; }
  html.js .hero__media:not(.is-drawn) { clip-path: var(--clip-open); }
}


/* ============================================================
   5 — GROSSE BÜHNE (≥ 900px)
   ============================================================ */

@media (min-width: 900px) {

  /* ---------- Nav ---------- */
  .nav__tag { display: block; }
  .nav__burger { display: none; }
  .nav__overlay { display: none; }

  .nav__desktop {
    display: flex;
    align-items: center;
    gap: clamp(24px, 3vw, 48px);
  }
  .nav__list {
    display: flex;
    align-items: center;
    gap: clamp(20px, 2.4vw, 40px);
  }
  .nav__link {
    position: relative;
    display: inline-block;
    padding-block: 0.5em;
    font-family: var(--font-mono);
    font-size: var(--t-xs);
    font-weight: 500;
    letter-spacing: var(--mono-letter-spacing);
    text-transform: uppercase;
    color: var(--fg-2);
    transition: color 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .nav__link::after {
    content: '';
    position: absolute;
    inset: auto 0 0.15em 0;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .nav__link:hover, .nav__link:focus-visible { color: var(--fg-1); }
  .nav__link:hover::after, .nav__link:focus-visible::after { transform: scaleX(1); }

  .nav__cta { padding: 0.85em 1.5em; }

  /* ---------- Hero ---------- */
  .hero__grid { grid-template-rows: auto minmax(0, 1fr) auto; }

  /* Auf flachen Displays begrenzt die Bauhöhe die Typo, damit der
     Hero in 100svh bleibt — sonst rutscht die Metazeile unter den Fold. */
  .hero__title { font-size: min(var(--t-hero), 14.5vh); }

  .hero__stage {
    grid-template-columns: minmax(0, 1fr) minmax(0, 44%);
    column-gap: clamp(32px, 4vw, 72px);
    align-items: end;
  }
  .hero__actions {
    grid-column: 1;
    align-self: end;
    padding-bottom: 0.25rem;
  }
  .hero__media {
    grid-column: 2;
    margin-inline: 0 calc(-1 * var(--edge));
    aspect-ratio: auto;
    align-self: stretch;             /* füllt die freie Höhe der Bühne */
    min-height: clamp(190px, 27vh, 400px);

    /* Kräftiger diagonaler Abriss an der linken Kante */
    --clip-open: polygon(
      9% 0%, 100% 0%, 100% 100%, 1.5% 100%,
      3.4% 88%, 1.4% 76%, 4.2% 64%, 2.2% 52%, 5.4% 40%, 3% 28%, 6.6% 16%
    );
    --clip-shut: polygon(
      9% 0%, 12.5% 0%, 12.5% 100%, 1.5% 100%,
      3.4% 88%, 1.4% 76%, 4.2% 64%, 2.2% 52%, 5.4% 40%, 3% 28%, 6.6% 16%
    );
  }

  .hero__foot {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: clamp(32px, 5vw, 80px);
  }
  .hero__meta {
    flex: 1 1 auto;
    flex-direction: row;
    align-items: stretch;
    gap: 0;
    border-bottom: 0;
  }
  .hero__meta > li {
    padding: 0.9em clamp(16px, 2vw, 32px);
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }
  .hero__meta > li:first-child { padding-left: 0; border-left: 0; }
  .hero__scroll { align-self: center; padding-bottom: 0.2em; }

  /* ---------- Manifest ---------- */
  .manifest__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 34rem);
    column-gap: clamp(48px, 7vw, 120px);
    row-gap: clamp(36px, 5vw, 64px);
    grid-template-areas:
      "eyebrow   eyebrow"
      "statement statement"
      "divider   text";
  }
  .manifest__eyebrow  { grid-area: eyebrow; }
  .manifest__statement { grid-area: statement; }
  .manifest__divider  { grid-area: divider; }
  .manifest__text     { grid-area: text; }
}