/* ==========================================================================
   Boch GmbH — Kunstberatung & Verkauf
   Design tokens
   ========================================================================== */

:root {
  --ink:        #14213D;   /* deep navy — headlines, header */
  --ink-70:     #14213Db3;
  --paper:      #F7F3EA;   /* warm gallery-wall ivory */
  --paper-alt:  #EFE8D8;   /* slightly deeper panel tone */
  --brass:      #A9822C;   /* museum-plaque brass accent */
  --brass-light:#C9A45C;
  --charcoal:   #2B2823;   /* body text */
  --charcoal-60:#2B282399;
  --line:       #DCD4BF;   /* hairline / divider */
  --white:      #FFFFFF;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1180px;
  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0 0 0.5em;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 500; line-height: 1.06; }
h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 500; line-height: 1.15; }
h3 { font-size: 1.35rem; font-weight: 600; }

p { margin: 0 0 1.1em; color: var(--charcoal-60); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--brass);
}

.lede {
  font-size: 1.15rem;
  max-width: 54ch;
}

/* Buttons ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn-primary:hover { background: #1e2f54; }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }

/* Header ------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.brand span { color: var(--brass); }

.main-nav ul {
  display: flex;
  gap: 38px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  padding-bottom: 4px;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--brass);
  transition: width 0.25s ease;
}
.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--brass); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
}

/* Hero --------------------------------------------------------------------*/
.hero {
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--line);
}
.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: end;
}
.hero-copy p { margin-top: 22px; }
.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-plate {
  border-left: 1px solid var(--line);
  padding-left: 32px;
}
.hero-plate p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ink);
  margin: 0;
}
.hero-plate .plate-label {
  display: block;
  margin-top: 14px;
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
}

/* Frame-corner signature motif -------------------------------------------*/
.frame {
  position: relative;
  padding: 40px;
}
.frame::before,
.frame::after,
.frame > .fc-tl, .frame > .fc-tr, .frame > .fc-bl, .frame > .fc-br {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid var(--brass);
}
.frame::before { top: 0; left: 0; border-right: none; border-bottom: none; }
.frame::after  { bottom: 0; right: 0; border-left: none; border-top: none; }
.frame .fc-tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.frame .fc-bl { bottom: 0; left: 0; border-right: none; border-top: none; }

/* Sections ------------------------------------------------------------------*/
.section { padding: 96px 0; }
.section-alt { background: var(--paper-alt); }
.section-border { border-bottom: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Icon plates ---------------------------------------------------------------*/
.icon-plate {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--brass);
  margin-bottom: 24px;
}
.icon-plate svg { width: 26px; height: 26px; stroke: var(--brass); fill: none; }

/* Two / three column grids --------------------------------------------------*/
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 40px 36px;
}
.card h3 { margin-bottom: 14px; }
.card .card-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
  border-bottom: 1px solid var(--brass);
  padding-bottom: 2px;
}

/* Process list (numbered — genuine sequence) --------------------------------*/
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.process-step { border-top: 1px solid var(--brass); padding-top: 20px; }
.process-step .num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--brass-light);
  display: block;
  margin-bottom: 10px;
}

/* Wall-label / plate blocks ---------------------------------------------------*/
.plate {
  border: 1px solid var(--line);
  padding: 34px;
  background: var(--paper);
}
.plate .plate-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
  display: block;
  margin-bottom: 12px;
}

/* CTA banner -----------------------------------------------------------------*/
.cta-banner {
  background: var(--ink);
  color: var(--paper);
  padding: 72px 0;
  text-align: center;
}
.cta-banner h2 { color: var(--paper); }
.cta-banner p { color: #E7E2D4; margin: 0 auto 34px; max-width: 52ch; }

/* Contact -------------------------------------------------------------------*/
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
}
.contact-info dl { margin: 0; }
.contact-info dt {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  margin-top: 26px;
}
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd { margin: 6px 0 0; font-size: 1.05rem; color: var(--ink); }

form.contact-form { display: grid; gap: 20px; }
.form-row { display: grid; gap: 8px; }
.form-row label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 600;
}
.form-row input,
.form-row textarea {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--charcoal);
}
.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--brass);
  outline-offset: 1px;
}
.form-check { display: flex; align-items: flex-start; gap: 10px; font-size: 0.85rem; color: var(--charcoal-60); }
.form-note { font-size: 0.82rem; color: var(--charcoal-60); }

/* Footer ----------------------------------------------------------------------*/
.site-footer {
  background: var(--ink);
  color: #C9C4B4;
  padding: 72px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid #2C3B60;
}
.footer-brand { font-family: var(--font-display); color: var(--paper); font-size: 1.3rem; margin-bottom: 14px; }
.footer-grid h4 {
  color: var(--paper);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
  font-family: var(--font-body);
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-grid a:hover { color: var(--brass-light); }
.footer-bottom {
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}
.footer-bottom a { color: #C9C4B4; }
.footer-bottom a:hover { color: var(--brass-light); }

/* Legal pages -------------------------------------------------------------------*/
.legal h2 { margin-top: 2em; }
.legal p, .legal li { color: var(--charcoal-60); }
.legal ul { padding-left: 20px; }

/* Utility ------------------------------------------------------------------------*/
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }

/* Responsive -----------------------------------------------------------------------*/
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-plate { border-left: none; border-top: 1px solid var(--line); padding-left: 0; padding-top: 28px; }
  .grid-2, .grid-3, .process, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 760px) {
  .main-nav { position: fixed; inset: 84px 0 0 0; background: var(--paper); transform: translateX(100%); transition: transform 0.3s ease; padding: 40px 32px; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 26px; }
  .nav-toggle { display: block; }
}

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