/* =========================================================
   Antike Uhren - Restaurierung & Pflege
   Design tokens: aged enamel dial, brass, verdigris patina
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,500;0,600;0,700;1,500&family=Spectral:ital,wght@0,300;0,400;0,500;0,600;1,400&family=Archivo:wght@400;500;600&display=swap');

:root{
  --dial:        #F3ECD9;   /* warm enamel parchment - page bg */
  --dial-2:      #ECE2C9;   /* deeper panel */
  --dial-3:      #E4D8B9;   /* card edge */
  --ink:         #211C14;   /* warm near-black text */
  --ink-soft:    #5C5240;   /* muted text */
  --ink-faint:   #897C63;   /* captions */
  --brass:       #A9802F;   /* aged brass accent */
  --brass-deep:  #7C5B1E;
  --brass-light: #C9A14A;   /* lighter brass for dark bands */
  --patina:      #2C564D;   /* verdigris - signature dark */
  --patina-deep: #1D3A33;
  --patina-soft: #43756B;
  --walnut:      #4A3526;
  --line:        rgba(33,28,20,.14);
  --line-strong: rgba(33,28,20,.30);
  --shadow:      0 1px 0 rgba(33,28,20,.05), 0 16px 40px -28px rgba(33,28,20,.55);

  --serif-display:'Cormorant Garamond', Georgia, serif;
  --serif-body:   'Spectral', Georgia, serif;
  --sans-util:    'Archivo', system-ui, sans-serif;

  --measure: 68ch;
  --gutter: clamp(20px, 5vw, 64px);
}

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

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

body{
  margin:0;
  background:var(--dial);
  color:var(--ink);
  font-family:var(--serif-body);
  font-weight:400;
  font-size:clamp(17px,1.05rem + .15vw,19px);
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* faint engraved paper texture */
body::before{
  content:"";
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(900px 600px at 12% -5%, rgba(169,128,47,.07), transparent 60%),
    radial-gradient(800px 600px at 98% 0%, rgba(44,86,77,.06), transparent 55%);
}

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

a{ color:var(--brass-deep); text-decoration:none; }
a:hover{ color:var(--patina); }

::selection{ background:rgba(44,86,77,.20); }

:focus-visible{ outline:2.5px solid var(--patina); outline-offset:3px; border-radius:2px; }

/* ---------- Typographic scale ---------- */
h1,h2,h3,h4{ font-family:var(--serif-display); font-weight:600; line-height:1.08; color:var(--ink); margin:0; }
h1{ font-size:clamp(2.6rem,5vw + 1rem,5.2rem); font-weight:700; letter-spacing:-.01em; }
h2{ font-size:clamp(1.9rem,2.4vw + 1rem,3.1rem); letter-spacing:-.005em; }
h3{ font-size:clamp(1.4rem,1.2vw + .9rem,2rem); }
h4{ font-size:1.2rem; font-family:var(--sans-util); font-weight:600; letter-spacing:.01em; }

p{ margin:0 0 1.1em; }
strong{ font-weight:600; color:var(--ink); }
em{ color:var(--brass-deep); }

.eyebrow{
  font-family:var(--sans-util);
  text-transform:uppercase;
  letter-spacing:.26em;
  font-size:.72rem;
  font-weight:600;
  color:var(--patina);
  margin:0 0 1.1rem;
  display:flex; align-items:center; gap:.7rem;
}
.eyebrow::before{
  content:""; width:34px; height:1px; background:var(--brass); flex:none;
}

.lead{
  font-size:clamp(1.2rem,1vw + 1rem,1.5rem);
  line-height:1.6;
  color:var(--ink-soft);
  font-weight:300;
  font-style:italic;
}

/* ---------- Layout shell ---------- */
.wrap{ width:min(1180px,100% - 2*var(--gutter)); margin-inline:auto; }
.prose{ max-width:var(--measure); }

section{ padding-block:clamp(48px,7vw,104px); }

/* ---------- Header / nav ---------- */
.site-head{
  position:sticky; top:0; z-index:50;
  background:color-mix(in srgb, var(--dial) 88%, transparent);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-head .bar{
  display:flex; align-items:center; justify-content:space-between;
  gap:1.5rem; padding-block:.85rem;
}
.brand{ display:flex; align-items:center; gap:.7rem; color:var(--ink); }
.brand:hover{ color:var(--ink); }
.brand .mark{ width:34px; height:34px; flex:none; color:var(--patina); }
.brand .name{ font-family:var(--serif-display); font-weight:700; font-size:1.45rem; line-height:1; letter-spacing:.01em; }
.brand .name small{ display:block; font-family:var(--sans-util); font-weight:500; font-size:.56rem; letter-spacing:.34em; text-transform:uppercase; color:var(--brass-deep); margin-top:.28rem; }

.nav{ display:flex; align-items:center; gap:.2rem; }
.nav a{
  font-family:var(--sans-util); font-size:.84rem; font-weight:500;
  color:var(--ink-soft); padding:.5rem .7rem; border-radius:4px;
  letter-spacing:.01em; white-space:nowrap;
}
.nav a:hover{ color:var(--ink); background:rgba(44,86,77,.08); }
.nav a[aria-current="page"]{ color:var(--patina); }
.nav a[aria-current="page"]::after{
  content:""; display:block; height:2px; background:var(--brass);
  margin-top:3px; border-radius:2px;
}

.nav-toggle{ display:none; }
.burger{
  display:none; border:1px solid var(--line-strong); background:transparent;
  width:44px; height:40px; border-radius:6px; cursor:pointer; color:var(--ink);
  align-items:center; justify-content:center;
}
.burger svg{ width:22px; height:22px; }

@media (max-width:920px){
  .burger{ display:inline-flex; }
  .nav{
    position:absolute; left:0; right:0; top:100%;
    flex-direction:column; align-items:stretch; gap:0;
    background:var(--dial); border-bottom:1px solid var(--line);
    padding:.5rem var(--gutter) 1rem;
    max-height:0; overflow:hidden; visibility:hidden;
    transition:max-height .28s ease, visibility .28s;
  }
  .nav a{ padding:.85rem .2rem; border-bottom:1px solid var(--line); font-size:1rem; }
  .nav a[aria-current="page"]::after{ display:none; }
  .nav-toggle:checked ~ .nav{ max-height:70vh; visibility:visible; }
}

/* ---------- Hero ---------- */
.hero{ position:relative; overflow:hidden; }
.hero .wrap{
  display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(2rem,5vw,5rem);
  align-items:center;
  padding-block:clamp(56px,8vw,120px);
}
.hero h1{ margin-bottom:.4em; }
.hero h1 .accent{ color:var(--patina); font-style:italic; font-weight:500; }
.hero-art{ position:relative; }
.hero-art svg{ width:100%; height:auto; filter:drop-shadow(0 30px 50px rgba(33,28,20,.25)); }
@media (max-width:820px){
  .hero .wrap{ grid-template-columns:1fr; }
  .hero-art{ order:-1; max-width:380px; margin-inline:auto; }
}

/* ---------- Minute-track divider (signature) ---------- */
.track{
  height:26px; width:100%;
  color:var(--brass);
  opacity:.75;
}
.track svg{ width:100%; height:100%; }

/* ---------- Buttons ---------- */
.btn{
  font-family:var(--sans-util); font-weight:600; font-size:.85rem;
  letter-spacing:.04em; text-transform:uppercase;
  display:inline-flex; align-items:center; gap:.6rem;
  padding:.85rem 1.5rem; border-radius:3px; cursor:pointer;
  border:1px solid transparent; transition:transform .15s ease, background .2s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--patina); color:var(--dial); }
.btn-primary:hover{ background:var(--patina-deep); color:var(--dial); }
.btn-ghost{ border-color:var(--line-strong); color:var(--ink); }
.btn-ghost:hover{ border-color:var(--patina); color:var(--patina); }
.btn-row{ display:flex; flex-wrap:wrap; gap:1rem; margin-top:2rem; }

/* ---------- Cards ---------- */
.cards{ display:grid; gap:1.4rem; }
.cards.cols-3{ grid-template-columns:repeat(3,1fr); }
.cards.cols-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:880px){ .cards.cols-3{ grid-template-columns:1fr 1fr; } }
@media (max-width:620px){ .cards.cols-3,.cards.cols-2{ grid-template-columns:1fr; } }

.card{
  background:linear-gradient(180deg, #F7F1E1, var(--dial-2));
  border:1px solid var(--line);
  border-radius:10px; padding:1.7rem 1.6rem 1.8rem;
  box-shadow:var(--shadow);
  display:flex; flex-direction:column; gap:.6rem;
  transition:transform .18s ease, border-color .2s ease;
}
a.card:hover{ transform:translateY(-4px); border-color:var(--brass); color:var(--ink); }
.card .idx{ font-family:var(--sans-util); font-size:.72rem; letter-spacing:.2em; color:var(--brass-deep); text-transform:uppercase; }
.card h3{ font-size:1.45rem; }
.card p{ color:var(--ink-soft); font-size:.98rem; margin:0; }
.card .go{ margin-top:auto; font-family:var(--sans-util); font-size:.8rem; font-weight:600; letter-spacing:.05em; text-transform:uppercase; color:var(--patina); display:inline-flex; gap:.4rem; align-items:center; }
.card .card-ico{ width:48px; height:48px; color:var(--patina); margin-bottom:.4rem; }

/* ---------- Article / content blocks ---------- */
.section-head{ max-width:60ch; margin-bottom:clamp(2rem,4vw,3.4rem); }
.section-head .lead{ margin-top:1rem; }

.article > * + *{ margin-top:0; }
.article h2{ margin-top:2.6em; margin-bottom:.5em; }
.article h2:first-child{ margin-top:0; }
.article h3{ margin-top:1.8em; margin-bottom:.4em; color:var(--patina); }
.article p, .article ul, .article ol{ max-width:var(--measure); }
.article ul, .article ol{ padding-left:1.3em; }
.article li{ margin-bottom:.5em; }
.article li::marker{ color:var(--brass); }

/* drop-cap on first paragraph of an article */
.article > .opener::first-letter{
  font-family:var(--serif-display); font-weight:700;
  float:left; font-size:4.4rem; line-height:.78;
  padding:.06em .12em 0 0; color:var(--patina);
}

/* figure with svg illustration */
figure{ margin:2.4em 0; }
figure svg, figure img{
  width:100%; border-radius:10px; background:linear-gradient(165deg,#F8F2E2,#E9DEC2);
  border:1px solid var(--line); box-shadow:var(--shadow);
}
figure.plain svg, figure.plain img{ background:none; border:none; box-shadow:none; }
figcaption{
  font-family:var(--sans-util); font-size:.8rem; color:var(--ink-faint);
  margin-top:.8rem; letter-spacing:.01em; line-height:1.5;
  border-left:2px solid var(--brass); padding-left:.8rem; max-width:54ch;
}

/* two-column figure + text */
.split{
  display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,4vw,3.5rem);
  align-items:center; margin:2.6em 0;
}
.split.rev .split-art{ order:2; }
.split-art svg{ width:100%; border-radius:10px; background:linear-gradient(165deg,#F8F2E2,#E9DEC2); border:1px solid var(--line); box-shadow:var(--shadow); }
.split-text > h3:first-child{ margin-top:0; }
@media (max-width:760px){ .split{ grid-template-columns:1fr; } .split.rev .split-art{ order:0; } }

/* callout / warning box */
.note{
  border-radius:10px; padding:1.4rem 1.5rem; margin:2em 0;
  border:1px solid var(--line); background:var(--dial-2);
  max-width:var(--measure);
}
.note h4{ margin-bottom:.4rem; display:flex; align-items:center; gap:.6rem; color:var(--ink); }
.note h4 svg{ width:22px; height:22px; flex:none; }
.note p:last-child{ margin-bottom:0; }
.note.warn{ background:#F6E9DE; border-color:rgba(156,91,59,.4); }
.note.warn h4{ color:#8a3f1f; }
.note.tip{ background:#E6EEE9; border-color:rgba(44,86,77,.32); }
.note.tip h4{ color:var(--patina); }

/* steps */
.steps{ counter-reset:step; list-style:none; padding:0; max-width:var(--measure); margin:1.5em 0; }
.steps > li{
  position:relative; padding:1.1rem 0 1.1rem 3.4rem;
  border-top:1px solid var(--line);
}
.steps > li:last-child{ border-bottom:1px solid var(--line); }
.steps > li::before{
  counter-increment:step; content:counter(step,decimal-leading-zero);
  position:absolute; left:0; top:1.05rem;
  font-family:var(--serif-display); font-weight:700; font-size:1.5rem;
  color:var(--brass); line-height:1;
}
.steps > li strong{ display:block; margin-bottom:.15rem; }

/* spec / data table */
.specs{ width:100%; border-collapse:collapse; margin:1.8em 0; font-size:.96rem; }
.specs caption{ text-align:left; font-family:var(--sans-util); font-size:.78rem; letter-spacing:.16em; text-transform:uppercase; color:var(--brass-deep); margin-bottom:.8rem; }
.specs th, .specs td{ text-align:left; padding:.8rem .9rem; border-bottom:1px solid var(--line); vertical-align:top; }
.specs thead th{ font-family:var(--sans-util); font-size:.74rem; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft); border-bottom:2px solid var(--line-strong); }
.specs tbody th{ font-family:var(--serif-display); font-weight:600; font-size:1.1rem; color:var(--patina); white-space:nowrap; }
.specs tr:hover td, .specs tr:hover th{ background:rgba(169,128,47,.06); }

/* dark feature band */
.band{ background:var(--patina-deep); color:#EFE7D2; }
.band h2,.band h3{ color:#F3ECD9; }
.band .eyebrow{ color:var(--brass-light); }
.band .eyebrow::before{ background:var(--brass-light); }
.band p{ color:#D8CDB4; }
.band a{ color:var(--brass-light); }
.band .lead{ color:#E7DDC4; }

/* type-list (clock glossary cards) */
.tlist{ display:grid; grid-template-columns:repeat(2,1fr); gap:1.6rem; margin-top:2rem; }
@media (max-width:760px){ .tlist{ grid-template-columns:1fr; } }
.tcard{
  display:grid; grid-template-columns:140px 1fr; gap:1.4rem; align-items:start;
  background:linear-gradient(180deg,#F7F1E1,var(--dial-2));
  border:1px solid var(--line); border-radius:12px; padding:1.5rem; box-shadow:var(--shadow);
}
.tcard .pic{ background:linear-gradient(165deg,#F4ECD6,#E3D6B5); border-radius:8px; padding:.5rem; border:1px solid var(--line); }
.tcard .pic svg{ width:100%; height:auto; color:var(--walnut); }
.tcard h3{ margin:0 0 .3rem; }
.tcard .era{ font-family:var(--sans-util); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--brass-deep); margin-bottom:.5rem; }
.tcard p{ margin:0; font-size:.95rem; color:var(--ink-soft); }
@media (max-width:480px){ .tcard{ grid-template-columns:1fr; } .tcard .pic{ max-width:160px; } }

/* glossary (lexikon) */
.gloss dt{ font-family:var(--serif-display); font-size:1.4rem; font-weight:600; color:var(--patina); margin-top:1.6em; }
.gloss dd{ margin:.3em 0 0; max-width:var(--measure); color:var(--ink-soft); }
.gloss dd + dt{ border-top:1px solid var(--line); padding-top:1.2em; }

/* pull quote */
.pull{
  font-family:var(--serif-display); font-style:italic; font-weight:500;
  font-size:clamp(1.6rem,2.4vw,2.4rem); line-height:1.3; color:var(--patina);
  max-width:24ch; margin:1.4em 0;
}
.band .pull{ color:#F3ECD9; }

/* footer */
.site-foot{ background:var(--ink); color:#CDC2A9; padding-block:clamp(40px,6vw,72px) 2.4rem; }
.site-foot a{ color:#D9CFB6; }
.site-foot a:hover{ color:var(--brass-light); }
.foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:2.5rem; margin-bottom:2.5rem; }
@media (max-width:680px){ .foot-grid{ grid-template-columns:1fr; gap:1.8rem; } }
.foot-grid h4{ font-family:var(--sans-util); font-size:.74rem; letter-spacing:.18em; text-transform:uppercase; color:var(--brass-light); margin-bottom:1rem; }
.foot-grid ul{ list-style:none; padding:0; margin:0; }
.foot-grid li{ margin-bottom:.55rem; font-size:.95rem; }
.foot-brand .name{ font-family:var(--serif-display); font-size:1.7rem; font-weight:700; color:var(--dial); }
.foot-brand p{ color:#A99C82; font-size:.92rem; max-width:34ch; margin-top:.6rem; }
.foot-bottom{ border-top:1px solid rgba(255,255,255,.1); padding-top:1.6rem; display:flex; flex-wrap:wrap; justify-content:space-between; gap:1rem; font-size:.82rem; color:#90856e; font-family:var(--sans-util); }
.foot-bottom .disc{ max-width:60ch; }

/* misc utilities */
.center{ text-align:center; margin-inline:auto; }
.mt-0{ margin-top:0; }
.hr{ height:1px; background:var(--line); border:0; margin:0; }
.kicker-num{ font-family:var(--serif-display); font-size:clamp(3rem,6vw,5rem); color:var(--brass); opacity:.5; font-weight:700; line-height:.8; }
.skip{ position:absolute; left:-9999px; top:0; background:var(--patina); color:#fff; padding:.7rem 1rem; z-index:100; }
.skip:focus{ left:1rem; top:1rem; }