/* =========================================================
   YALCIN Digitalarchiv — Stylesheet
   Design tokens live in :root — change the palette/type here
   and it propagates through every page that loads this file.
   ========================================================= */

:root{
  --paper: #F3F2ED;
  --paper-raised: #FBFAF7;
  --ink: #1C2A2A;
  --ink-soft: #3C4A49;
  --teal: #0F6E5C;
  --teal-deep: #0A4F42;
  --gold: #B8935A;
  --line: #DEDAD0;
  --muted: #767A70;
  --max: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3{
  font-family: 'Fraunces', serif;
  font-weight: 600;
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.01em;
}
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 32px; }
.eyebrow{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-deep);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content:"";
  width: 18px; height: 1px;
  background: var(--gold);
  display:inline-block;
}
button{ font-family: inherit; cursor: pointer; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
}

/* ---------- HEADER ---------- */
header{
  position: sticky; top:0; z-index: 50;
  background: rgba(243,242,237,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 18px 32px;
  max-width: var(--max); margin:0 auto;
}
.logo{
  display:flex; align-items:baseline; gap:8px;
  font-family:'Fraunces', serif; font-weight:700; font-size: 21px; letter-spacing: -0.01em;
}
.logo span{
  font-family:'IBM Plex Mono', monospace; font-weight:400; font-size:11px;
  color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase;
}
.nav-links{ display:flex; gap: 34px; align-items:center; }
.nav-links a{
  font-size: 14.5px; color: var(--ink-soft);
  padding: 4px 0; border-bottom: 1px solid transparent;
  transition: border-color .2s, color .2s;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{ color: var(--ink); border-color: var(--gold); }
.nav-cta{
  background: var(--teal); color: #fff !important;
  padding: 10px 20px; border-radius: 3px; font-size: 14px; font-weight: 500;
  transition: background .2s;
}
.nav-cta:hover{ background: var(--teal-deep); }

/* ---------- HERO ---------- */
.hero{
  padding: 96px 0 110px;
  display:grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items:center;
}
.hero h1{
  font-size: clamp(38px, 4.6vw, 60px);
  margin: 22px 0 26px;
  color: var(--ink);
}
.hero h1 em{ font-style: italic; color: var(--teal-deep); }
.hero p.lead{
  font-size: 18px; color: var(--ink-soft); max-width: 480px; margin-bottom: 34px;
}
.hero-ctas{ display:flex; gap:16px; align-items:center; flex-wrap:wrap; }
.btn-primary{
  background: var(--ink); color:#fff; padding: 15px 26px; border: none; border-radius: 3px;
  font-size: 15px; font-weight:500; transition: background .2s, transform .2s;
  display:inline-block;
}
.btn-primary:hover{ background: var(--teal-deep); transform: translateY(-1px); }
.btn-primary:disabled{ opacity:.6; cursor: not-allowed; transform:none; }
.btn-ghost{
  padding: 15px 22px; font-size: 15px; color: var(--ink-soft); border-bottom: 1px solid var(--ink-soft);
  transition: color .2s, border-color .2s;
}
.btn-ghost:hover{ color: var(--teal-deep); border-color: var(--teal-deep); }

/* SIGNATURE: search demo card stack */
.demo-wrap{ position:relative; height: 420px; }
.card-stack{ position:absolute; inset:0; }
.file-card{
  position:absolute; width: 88%; left:6%;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 18px 40px -18px rgba(28,42,42,0.18);
  padding: 18px 20px;
  font-family:'IBM Plex Mono', monospace;
  font-size: 12.5px;
  color: var(--muted);
  transition: transform .35s ease, opacity .35s ease;
}
.file-card .tab{
  position:absolute; top:-11px; left:20px;
  background: var(--gold); color:#fff; font-size:10.5px; letter-spacing:.06em;
  padding: 3px 10px; border-radius: 2px 2px 0 0; font-family:'IBM Plex Mono',monospace;
}
.file-card .doc-title{
  font-family:'IBM Plex Sans', sans-serif; font-weight:600; font-size: 14.5px; color: var(--ink); margin-bottom:6px;
}
.file-card1{ top: 6%; transform: rotate(-3.5deg); z-index:1; }
.file-card2{ top: 20%; transform: rotate(2deg); z-index:2; }
.file-card3{ top: 34%; transform: rotate(-1deg); z-index:3; }

.search-box{
  position:absolute; bottom: 0; left:0; right:0;
  background: var(--ink); border-radius: 6px;
  padding: 18px 20px; z-index: 5;
  box-shadow: 0 24px 50px -16px rgba(15,25,25,0.4);
}
.search-box .label{
  font-family:'IBM Plex Mono', monospace; font-size: 10.5px; color: var(--gold);
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; display:block;
}
.search-row{ display:flex; align-items:center; gap: 10px; background: rgba(255,255,255,0.06); border-radius: 4px; padding: 10px 14px; }
.search-row svg{ flex-shrink:0; opacity:.7; }
#searchType{
  font-family:'IBM Plex Mono', monospace; font-size: 14px; color:#fff; min-height: 18px;
}
.cursor{ display:inline-block; width:2px; height:15px; background: var(--gold); animation: blink 1s step-end infinite; vertical-align: -3px; margin-left: 2px;}
@keyframes blink{ 50%{ opacity:0; } }
.search-result{
  margin-top: 12px; font-family:'IBM Plex Mono', monospace; font-size: 12px; color: #9FB5AE;
  opacity:0; transition: opacity .3s;
}
.search-result.show{ opacity:1; }

/* ---------- SECTION SHELL ---------- */
section{ padding: 100px 0; }
.section-head{ max-width: 620px; margin-bottom: 56px; }
.section-head h2{ font-size: clamp(28px, 3.2vw, 40px); margin-top: 16px; }
.section-head p{ color: var(--ink-soft); font-size: 16.5px; margin-top: 16px; }

/* ---------- PROBLEM ---------- */
.problem{ background: var(--paper-raised); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.problem-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.problem-item{ background: var(--paper-raised); padding: 34px 30px; }
.problem-item .idx{ font-family:'IBM Plex Mono', monospace; font-size:12px; color: var(--gold); }
.problem-item h3{ font-size: 19px; margin: 14px 0 10px; font-weight:600; }
.problem-item p{ color: var(--muted); font-size: 14.5px; }

/* ---------- SERVICES (folder cards) ---------- */
.services-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card{
  background: var(--paper-raised); border:1px solid var(--line); border-radius: 4px;
  padding: 30px 26px; position:relative; transition: transform .25s ease, box-shadow .25s ease;
}
.service-card:hover{ transform: translateY(-4px); box-shadow: 0 22px 40px -22px rgba(28,42,42,0.25); }
.service-card .tag{
  font-family:'IBM Plex Mono', monospace; font-size: 10.5px; color: var(--teal-deep);
  background: rgba(15,110,92,0.08); display:inline-block; padding: 4px 9px; border-radius: 2px; letter-spacing:.04em;
}
.service-card h3{ font-size: 20px; margin: 16px 0 10px; }
.service-card p{ color: var(--muted); font-size: 14.5px; }

/* ---------- PROCESS ---------- */
.process{ background: var(--ink); color: var(--paper); }
.process .section-head p{ color: rgba(243,242,237,0.65); }
.process .eyebrow{ color: var(--gold); }
.process .eyebrow::before{ background: var(--gold); }
.process-list{ display:flex; flex-direction:column; }
.process-row{
  display:grid; grid-template-columns: 90px 1fr 1fr; gap: 30px; align-items:start;
  padding: 30px 0; border-top: 1px solid rgba(243,242,237,0.14);
}
.process-row:last-child{ border-bottom: 1px solid rgba(243,242,237,0.14); }
.process-row .num{ font-family:'IBM Plex Mono', monospace; font-size: 15px; color: var(--gold); }
.process-row h3{ font-size: 21px; color: var(--paper); font-weight:600; }
.process-row p{ color: rgba(243,242,237,0.65); font-size: 14.5px; }

/* ---------- AUDIENCE ---------- */
.audience-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.audience-card{
  border: 1px solid var(--line); border-radius: 4px; padding: 26px 20px;
  background: var(--paper-raised); text-align:left;
}
.audience-card .icon{ width:34px; height:34px; margin-bottom: 16px; color: var(--teal-deep); }
.audience-card h3{ font-size: 16.5px; font-weight:600; margin-bottom:6px; }
.audience-card p{ font-size: 13.5px; color: var(--muted); }
.audience-note{
  margin-top: 30px; font-size: 14.5px; color: var(--ink-soft);
  border-left: 2px solid var(--gold); padding-left: 16px;
}

/* ---------- ABOUT ---------- */
.about{ display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px; align-items:center; background: var(--paper-raised); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.about-portrait{
  aspect-ratio: 4/5; background: linear-gradient(160deg, #E7E3D8, #D8D2C2);
  border-radius: 4px; position:relative; overflow:hidden;
  display:flex; align-items:flex-end; padding: 26px;
  border: 1px solid var(--line);
}
.about-portrait .stamp{
  font-family:'IBM Plex Mono', monospace; font-size: 12px; color: var(--ink-soft);
  background: rgba(255,255,255,0.6); padding: 8px 12px; border-radius:2px; letter-spacing:.03em;
}
.about-portrait::before{
  content:"YY"; position:absolute; top:22px; left:26px; font-family:'Fraunces',serif; font-size: 15vw;
  color: rgba(28,42,42,0.06); font-weight:700; line-height:1;
}
.about-copy h2{ font-size: clamp(26px, 3vw, 36px); margin: 16px 0 20px; }
.about-copy p{ color: var(--ink-soft); font-size: 16px; margin-bottom: 16px; max-width: 560px; }
.about-copy .quote{
  font-family:'Fraunces', serif; font-style: italic; font-size: 19px; color: var(--teal-deep);
  margin-top: 22px; padding-top:22px; border-top: 1px solid var(--line); max-width: 520px;
}

/* ---------- CONTACT ---------- */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info h2{ font-size: clamp(28px,3.2vw,38px); margin: 16px 0 18px; }
.contact-info p{ color: var(--ink-soft); font-size: 16px; margin-bottom: 28px; max-width: 420px; }
.contact-detail{ display:flex; gap:12px; align-items:center; margin-bottom: 14px; font-size: 15px; }
.contact-detail .lbl{ font-family:'IBM Plex Mono', monospace; font-size:11px; color: var(--muted); width: 90px; flex-shrink:0; text-transform:uppercase; letter-spacing:.06em; }

form{ background: var(--paper-raised); border:1px solid var(--line); border-radius: 4px; padding: 32px; }
.form-row{ margin-bottom: 18px; }
.form-row label{ display:block; font-family:'IBM Plex Mono', monospace; font-size: 11px; text-transform:uppercase; letter-spacing:.06em; color: var(--muted); margin-bottom:7px; }
.form-row input, .form-row select, .form-row textarea{
  width:100%; border:1px solid var(--line); background: #fff; border-radius: 3px; padding: 11px 13px;
  font-family:'IBM Plex Sans', sans-serif; font-size: 14.5px; color: var(--ink);
}
.form-row input:invalid:not(:placeholder-shown){ border-color: #C0564F; }
.form-row textarea{ resize: vertical; min-height: 90px; }
.form-row.honeypot{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.form-submit{
  width:100%; background: var(--teal); color:#fff; border:none; padding: 14px; border-radius: 3px;
  font-size: 15px; font-weight:500; transition: background .2s;
  display:flex; align-items:center; justify-content:center; gap:8px;
}
.form-submit:hover{ background: var(--teal-deep); }
.form-submit:disabled{ opacity:.65; cursor: not-allowed; }
.form-note{ font-size:12.5px; color: var(--muted); margin-top:12px; }
.status-msg{ font-size: 13.5px; margin-top: 14px; padding: 10px 12px; border-radius: 3px; display:none; }
.status-msg.show{ display:block; }
.status-msg.success{ display:block; background: rgba(15,110,92,0.1); color: var(--teal-deep); }
.status-msg.error{ display:block; background: rgba(192,86,79,0.1); color: #96382F; }
.spinner{
  width:14px; height:14px; border-radius:50%;
  border: 2px solid rgba(255,255,255,0.4); border-top-color:#fff;
  animation: spin .7s linear infinite; display:none;
}
.form-submit.loading .spinner{ display:inline-block; }
@keyframes spin{ to{ transform: rotate(360deg); } }

/* ---------- FOOTER ---------- */
footer{ border-top:1px solid var(--line); padding: 40px 0; }
.footer-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: 14px; }
.footer-row p{ font-size: 13px; color: var(--muted); }
.footer-links{ display:flex; gap: 22px; }
.footer-links a{ font-size: 13px; color: var(--muted); }
.footer-links a:hover{ color: var(--ink); }

/* ---------- reveal on scroll ---------- */
.reveal{ opacity:0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform: translateY(0); }

/* ---------- LEGAL PAGES (Impressum / Datenschutz) ---------- */
.legal{ padding: 70px 0 110px; }
.legal .wrap{ max-width: 760px; }
.legal h1{ font-size: clamp(32px, 4vw, 44px); margin: 16px 0 40px; }
.legal h2{ font-size: 21px; margin: 40px 0 12px; }
.legal h2:first-of-type{ margin-top:0; }
.legal p, .legal li{ color: var(--ink-soft); font-size: 15.5px; margin-bottom: 10px; }
.legal ul{ padding-left: 20px; margin: 0 0 16px; }
.legal a.inline-link{ color: var(--teal-deep); border-bottom: 1px solid var(--teal-deep); }
.legal .updated{ font-family:'IBM Plex Mono', monospace; font-size:12px; color: var(--muted); margin-bottom: 28px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px){
  .hero{ grid-template-columns: 1fr; padding-top: 60px; }
  .demo-wrap{ order:-1; height: 380px; }
  .problem-grid{ grid-template-columns: 1fr; }
  .services-grid{ grid-template-columns: 1fr 1fr; }
  .audience-grid{ grid-template-columns: 1fr 1fr; }
  .process-row{ grid-template-columns: 50px 1fr; }
  .process-row p{ grid-column: 2 / 3; }
  .about{ grid-template-columns: 1fr; }
  .about-portrait{ max-width: 320px; }
  .contact-grid{ grid-template-columns: 1fr; }
  .nav-links{ display:none; }
}
@media (max-width: 600px){
  .wrap, .nav{ padding-left: 20px; padding-right:20px; }
  section{ padding: 70px 0; }
  .services-grid, .audience-grid{ grid-template-columns: 1fr; }
}