/* ============================================================
   marcus-kugeler.de — Im Labor des Menschen (Coming Soon)
   Aesthetic: „Archive of the Glass"
   Oxidiertes Tiefblau · Pergament-Cream · Bronze
   ============================================================ */

/* ===== Fonts (selbstgehostet, DSGVO-clean) ===== */
@font-face {
  font-family: 'Fraunces';
  src: url('/assets/fonts/fraunces-latin.woff2') format('woff2-variations'),
       url('/assets/fonts/fraunces-latin.woff2') format('woff2');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('/assets/fonts/fraunces-italic-latin.woff2') format('woff2-variations'),
       url('/assets/fonts/fraunces-italic-latin.woff2') format('woff2');
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: 'Plex Mono';
  src: url('/assets/fonts/ibmplexmono-latin.woff2') format('woff2');
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

/* ===== Tokens ===== */
:root {
  --ink:        #0c1426;
  --ink-deep:   #060c1c;
  --ink-light:  #1a2640;
  --paper:      #efe5d0;
  --paper-dim:  #c4baa3;
  --paper-mute: #847e6e;
  --bronze:        #c19658;
  --bronze-bright: #e0bf85;
  --bronze-dim:    #8a6a3d;
  --line:      rgba(193, 150, 88, 0.18);
  --line-strong: rgba(193, 150, 88, 0.32);
  --serif: 'Fraunces', 'Iowan Old Style', Georgia, 'Palatino Linotype', serif;
  --mono:  'Plex Mono', 'JetBrains Mono', 'SFMono-Regular', Consolas, Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif);
  font-feature-settings: "ss01", "kern", "liga";
  font-optical-sizing: auto;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

/* Filmkorn-Overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url('/assets/noise.svg');
  background-size: 240px 240px;
  opacity: 0.05;
  pointer-events: none;
  mix-blend-mode: overlay;
  z-index: 999;
}

/* Vignette für Tiefe */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 50% 50%, transparent 40%, rgba(0,0,0,0.45) 100%);
  pointer-events: none;
  z-index: 998;
}

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .35s ease, border-color .35s ease;
}
a:hover { color: var(--bronze-bright); border-bottom-color: var(--bronze-bright); }

::selection { background: var(--bronze); color: var(--ink); }

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

/* ============================================================
   LANGUAGE SWITCHER
   ============================================================ */
.lang-switch {
  position: fixed;
  top: 1.4rem;
  right: 1.4rem;
  z-index: 100;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  display: flex;
  gap: 0.55rem;
  align-items: center;
  padding: 0.45rem 0.85rem 0.4rem;
  background: rgba(6, 12, 28, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line);
}
.lang-switch a {
  color: var(--paper-mute);
  border: none;
  transition: color .3s ease;
}
.lang-switch a:hover { color: var(--paper); }
.lang-switch a[aria-current="page"] {
  color: var(--bronze);
  pointer-events: none;
}
.lang-switch .sep {
  color: var(--paper-mute);
  font-size: 0.55rem;
  opacity: 0.5;
}

@media (max-width: 600px) {
  .lang-switch {
    top: 0.9rem;
    right: 0.9rem;
    font-size: 0.62rem;
    padding: 0.35rem 0.7rem 0.3rem;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: clamp(2rem, 8vh, 6rem) clamp(1.5rem, 5vw, 4rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle 600px at 25% 60%, rgba(193, 150, 88, 0.07), transparent 70%),
    radial-gradient(circle 800px at 90% 10%, rgba(26, 38, 64, 0.5), transparent 70%);
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 5rem);
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cover-stage {
  position: relative;
  perspective: 1600px;
  display: flex;
  justify-content: center;
}

.cover-frame {
  position: relative;
  aspect-ratio: 720 / 1073;
  width: 100%;
  max-width: 380px;
  background: var(--ink-deep);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.55), 0 12px 30px rgba(0, 0, 0, 0.4);
  transform: rotateY(-7deg) rotateX(2deg);
  transform-origin: center;
  transition: transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  animation: cover-rise 1.4s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s both;
}
.cover-frame:hover { transform: rotateY(-4deg) rotateX(1deg) translateY(-8px); }
.cover-frame img { width: 100%; height: 100%; object-fit: cover; filter: contrast(1.04) saturate(1.04); }
.cover-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg,
    rgba(255, 255, 255, 0.08) 0%,
    transparent 25%,
    transparent 75%,
    rgba(0, 0, 0, 0.35) 100%);
  pointer-events: none;
}

@keyframes cover-rise {
  from { opacity: 0; transform: rotateY(-14deg) rotateX(2deg) translateY(50px); }
  to   { opacity: 1; transform: rotateY(-7deg) rotateX(2deg) translateY(0); }
}

.hero-text {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  align-items: flex-start;
}

.hero-bignum {
  position: absolute;
  top: -3.5rem;
  left: -3rem;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 200;
  font-size: clamp(9rem, 24vw, 22rem);
  font-variation-settings: 'opsz' 144;
  color: var(--ink-light);
  line-height: 0.9;
  letter-spacing: -0.05em;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  z-index: 1;
}
.meta-row .rule {
  height: 1px;
  width: 60px;
  background: linear-gradient(to right, var(--bronze), transparent);
}
.meta-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--bronze);
}

.hero-title {
  font-family: var(--serif);
  font-weight: 320;
  font-size: clamp(2.8rem, 7vw, 6.4rem);
  line-height: 0.96;
  letter-spacing: -0.022em;
  color: var(--paper);
  position: relative;
  z-index: 1;
  font-variation-settings: 'opsz' 144;
}
.hero-title em {
  font-style: italic;
  font-weight: 270;
  color: var(--bronze-bright);
  display: block;
  margin-top: 0.05em;
}

.hero-sub {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 360;
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
  line-height: 1.42;
  color: var(--paper-dim);
  max-width: 32ch;
  position: relative;
  z-index: 1;
}

.hero-divider {
  width: 100%;
  max-width: 200px;
  height: 1px;
  background: var(--line);
  margin: 0.5rem 0;
  position: relative;
  z-index: 1;
}

.hero-author {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bronze);
  position: relative;
  z-index: 1;
}

.scroll-cue {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--paper-mute);
  border: none;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  animation: cue-fade 3.2s ease-in-out infinite;
}
.scroll-cue:hover { color: var(--paper); }
.scroll-cue .line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--paper-mute), transparent);
}
@keyframes cue-fade {
  0%, 100% { opacity: 0.45; }
  50%      { opacity: 1; }
}

/* Hero stagger */
.hero-text > *:not(.hero-bignum) {
  opacity: 0;
  animation: rise-in 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.hero-text > *:nth-child(2) { animation-delay: 0.45s; }
.hero-text > *:nth-child(3) { animation-delay: 0.55s; }
.hero-text > *:nth-child(4) { animation-delay: 0.65s; }
.hero-text > *:nth-child(5) { animation-delay: 0.75s; }
.hero-text > *:nth-child(6) { animation-delay: 0.85s; }
.hero-text > *:nth-child(7) { animation-delay: 0.95s; }

.hero-bignum { animation: bignum-fade 1.6s ease-out 0.3s both; }
@keyframes bignum-fade { from { opacity: 0; } to { opacity: 0.55; } }

@keyframes rise-in {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   PROLOG
   ============================================================ */
.prolog {
  padding: clamp(5rem, 14vw, 12rem) clamp(1.5rem, 4vw, 3rem);
  position: relative;
  background: linear-gradient(to bottom, transparent, rgba(6, 12, 28, 0.55) 50%, transparent);
}

.prolog-frame {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.prolog-tag {
  position: absolute;
  top: 0;
  left: -150px;
  width: 130px;
  text-align: right;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--paper-mute);
  line-height: 1.7;
}
.prolog-tag::after {
  content: '';
  position: absolute;
  top: 0.7rem;
  right: -1.3rem;
  width: 0.8rem;
  height: 1px;
  background: var(--bronze);
}
.prolog-tag .num {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 280;
  font-size: 3rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--bronze);
  line-height: 1;
  margin-bottom: 0.4rem;
  font-variation-settings: 'opsz' 144;
}

.prolog-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 1.2rem;
  text-align: center;
}

.prolog h2 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 280;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
  text-align: center;
  margin-bottom: 4rem;
  color: var(--paper);
  letter-spacing: -0.018em;
  font-variation-settings: 'opsz' 144;
}

.prolog-text p {
  font-family: var(--serif);
  font-weight: 380;
  font-size: clamp(1rem, 1.35vw, 1.13rem);
  line-height: 1.85;
  color: var(--paper);
  margin-bottom: 1.45rem;
  font-variation-settings: 'opsz' 14;
}
.prolog-text p:first-of-type::first-letter {
  font-family: var(--serif);
  font-style: italic;
  font-size: 4.6rem;
  font-weight: 260;
  float: left;
  line-height: 0.86;
  margin: 0.05rem 0.5rem -0.25rem 0;
  color: var(--bronze-bright);
  font-variation-settings: 'opsz' 144;
}
.prolog-text em {
  color: var(--bronze-bright);
  font-style: italic;
}

.prolog-rule {
  width: 60px;
  height: 1px;
  background: var(--bronze);
  margin: 3rem auto;
  border: none;
  opacity: 0.55;
}

.prolog-closing {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  text-align: center;
  color: var(--bronze-bright);
  margin-top: 3.5rem;
  font-weight: 320;
  letter-spacing: -0.005em;
}

/* ============================================================
   SPECIMENS — „Acht von Achtzig"
   ============================================================ */
.specimens {
  padding: clamp(5rem, 12vw, 10rem) clamp(1.5rem, 4vw, 3rem);
  position: relative;
}

.specimens-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 4rem;
}
.specimens-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 1.2rem;
}
.specimens-title {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 280;
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  color: var(--paper);
  line-height: 1.1;
  letter-spacing: -0.012em;
  font-variation-settings: 'opsz' 144;
}

.specimens-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.specimen {
  position: relative;
  padding: 1.8rem 1.4rem 1.6rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-height: 220px;
  overflow: hidden;
  transition: background .6s ease, transform .6s ease;
}
.specimen .bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.16;
  filter: grayscale(0.45) contrast(1.1) brightness(0.7);
  transition: opacity .8s ease, transform 1.5s ease;
  z-index: 0;
}
.specimen:hover .bg { opacity: 0.5; transform: scale(1.06); }
.specimen:hover { background: rgba(193, 150, 88, 0.04); }
.specimen > *:not(.bg) { position: relative; z-index: 1; }

.specimen .num {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.32em;
  color: var(--bronze);
}
.specimen .place {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--paper-mute);
  text-transform: uppercase;
  margin-top: 0.2rem;
  line-height: 1.55;
}
.specimen .keyword {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 320;
  font-size: 1.55rem;
  color: var(--paper);
  letter-spacing: -0.012em;
  margin-top: auto;
  line-height: 1.05;
  font-variation-settings: 'opsz' 144;
}
.specimen .reveal {
  font-family: var(--serif);
  font-size: 0.86rem;
  color: var(--bronze-bright);
  font-style: italic;
  line-height: 1.45;
  opacity: 0;
  max-height: 0;
  margin-top: 0.4rem;
  overflow: hidden;
  transition: opacity .4s ease, max-height .45s ease;
}
.specimen:hover .reveal { opacity: 0.95; max-height: 5rem; }

.specimens-footer {
  max-width: 1100px;
  margin: 2.5rem auto 0;
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  color: var(--paper-mute);
  font-size: 1.08rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
.specimens-footer .more {
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bronze);
}
.specimens-footer .dots {
  flex: 0 0 60px;
  height: 1px;
  background: var(--line);
}

/* ============================================================
   STAMP — Coming Soon
   ============================================================ */
.stamp {
  padding: clamp(5rem, 12vw, 10rem) 1.5rem;
  text-align: center;
  position: relative;
}

.stamp-inner {
  max-width: 540px;
  margin: 0 auto;
  border: 1px solid var(--line);
  padding: clamp(2.5rem, 6vw, 4.2rem) clamp(1.5rem, 4vw, 3rem);
  position: relative;
  background: rgba(6, 12, 28, 0.55);
  backdrop-filter: blur(2px);
}
.stamp-inner::before, .stamp-inner::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid var(--bronze);
}
.stamp-inner::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.stamp-inner::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.stamp-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 1rem;
}
.stamp-headline {
  font-family: var(--serif);
  font-weight: 200;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1;
  color: var(--paper);
  letter-spacing: -0.025em;
  margin-bottom: 1.3rem;
  font-variation-settings: 'opsz' 144;
}
.stamp-headline em {
  font-style: italic;
  color: var(--bronze-bright);
  font-weight: 240;
}
.stamp-text {
  color: var(--paper-dim);
  line-height: 1.7;
  margin-bottom: 1.9rem;
  font-size: 1rem;
  max-width: 32ch;
  margin-left: auto;
  margin-right: auto;
}
.stamp-cta {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--paper);
  border: 1px solid var(--bronze);
  padding: 0.95rem 2rem;
  transition: background .35s ease, color .35s ease;
}
.stamp-cta:hover {
  background: var(--bronze);
  color: var(--ink);
  border-color: var(--bronze);
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  padding: 4rem clamp(1.5rem, 4vw, 3rem) 2.5rem;
  border-top: 1px solid var(--line);
  margin-top: 1rem;
}
.footer-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
}
.footer-surf {
  font-family: var(--serif);
  font-size: 0.98rem;
  font-style: italic;
  color: var(--paper-dim);
  line-height: 1.6;
  max-width: 38ch;
}
.footer-surf strong {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-weight: 400;
  font-size: 0.66rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 0.6rem;
}
.footer-surf a {
  color: var(--paper);
  border-bottom-color: var(--line);
}
.footer-meta {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--paper-mute);
  text-align: right;
}
.footer-meta a {
  color: var(--paper-mute);
  border-bottom: 1px solid transparent;
  margin-left: 1.2rem;
  transition: color .35s ease;
}
.footer-meta a:hover { color: var(--paper); border-bottom-color: var(--line); }
.footer-meta-row { display: block; margin-bottom: 0.4rem; }

/* ============================================================
   MOBILE
   ============================================================ */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .cover-frame {
    transform: none;
    max-width: 240px;
  }
  .cover-frame:hover { transform: translateY(-4px); }
  .hero-text { align-items: center; }
  .hero-bignum {
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 18rem;
    opacity: 0.35;
  }
  .meta-row, .hero-sub, .hero-divider, .hero-author { margin-left: auto; margin-right: auto; }
  .scroll-cue { display: none; }

  .prolog-tag { display: none; }

  .specimens-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .specimen { min-height: 180px; padding: 1.4rem 1rem 1.5rem; }
  .specimen .keyword { font-size: 1.3rem; }
  .specimens-footer .dots { flex: 0 0 40px; }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-meta { text-align: center; }
  .footer-meta a { margin: 0 0.5rem; display: inline-block; }
}

@media (max-width: 480px) {
  .specimens-grid { grid-template-columns: 1fr; }
}

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