/* ==========================================================================
   Weltenbummlerdesigns — Design Tokens
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  /* colors */
  --bg:            #0a0a0c;
  --bg-soft:       #0d0d10;
  --panel:         #141418;
  --panel-alt:     #191920;
  --line:          #262630;
  --line-soft:     #1c1c22;
  --text:          #ece8e0;
  --text-dim:      #948f88;
  --text-faint:    #55534f;
  --accent:        #c9a15a;
  --accent-soft:   #8a6f3e;
  --accent-glow:   rgba(201,161,90,0.18);
  --accent-2:      #7c8a99;      /* cool slate — used for the RBS sub-brand */
  --accent-2-glow: rgba(124,138,153,0.16);

  /* type */
  --font-display: 'Fraunces', serif;
  --font-body:    'Manrope', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* layout */
  --maxw: 1180px;
  --pad: clamp(20px, 5vw, 64px);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html, body{ margin:0; padding:0; }

body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before{
  /* faint vertical grain / vignette so the black never feels flat */
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, var(--accent-glow), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 10%, rgba(124,138,153,0.08), transparent 60%);
}

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

::selection{ background: var(--accent); color: #0a0a0c; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ==========================================================================
   Utility / layout
   ========================================================================== */

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
  position: relative;
  z-index: 1;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content:"";
  width: 18px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.section-label{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.1em;
}

h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text);
}

h2{ font-size: clamp(28px, 4vw, 42px); font-weight: 400; }
h2 em, h1 em{ font-style: italic; color: var(--accent); font-weight: 400; }

p{ color: var(--text-dim); margin: 0; }

.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 14px 24px;
  border-radius: 2px;
  transition: all .25s ease;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary{
  background: var(--accent);
  color: #0a0a0c;
  font-weight: 500;
}
.btn-primary:hover{ background: #ddb977; transform: translateY(-1px); }
.btn-ghost{
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }
.btn svg{ width: 14px; height: 14px; }

/* ==========================================================================
   Nav
   ========================================================================== */

.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 20px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(to bottom, rgba(10,10,12,0.92), rgba(10,10,12,0));
  backdrop-filter: blur(6px);
}

.nav.is-scrolled{
  background: rgba(10,10,12,0.85);
  border-bottom: 1px solid var(--line-soft);
}

.logo{
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo .mark{ color: var(--accent); }
.logo .sub{ color: var(--text-faint); font-size: 11px; }

.nav-links{
  display: flex;
  gap: 36px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
}
.nav-links a{ position: relative; transition: color .2s ease; }
.nav-links a:hover{ color: var(--text); }
.nav-links a::after{
  content:"";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0%; height: 1px;
  background: var(--accent);
  transition: width .25s ease;
}
.nav-links a:hover::after{ width: 100%; }

.nav-cta{ display:flex; align-items:center; gap: 24px; }

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--line);
  color: var(--text);
  width: 40px; height: 40px;
  align-items:center; justify-content:center;
}

@media (max-width: 860px){
  .nav-links{ display:none; }
  .nav-toggle{ display:flex; }
  .nav-cta .btn-primary{ display:none; }
}

/* mobile menu panel */
.mobile-menu{
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  padding: 24px var(--pad);
  transform: translateY(-100%);
  transition: transform .35s cubic-bezier(.7,0,.2,1);
}
.mobile-menu.is-open{ transform: translateY(0); }
.mobile-menu-top{ display:flex; justify-content:space-between; align-items:center; }
.mobile-menu nav{
  margin-top: 60px;
  display:flex; flex-direction: column; gap: 8px;
}
.mobile-menu nav a{
  font-family: var(--font-display);
  font-size: 32px;
  font-style: italic;
  color: var(--text);
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero{
  position: relative;
  padding: 200px var(--pad) 120px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  max-width: var(--maxw);
  margin: 0 auto;
}

.hero-copy h1{
  font-size: clamp(44px, 6.4vw, 84px);
  line-height: 0.98;
  margin-top: 22px;
}

.hero-copy p.lede{
  font-size: 18px;
  color: var(--text-dim);
  max-width: 46ch;
  margin-top: 26px;
}

.hero-actions{
  display: flex;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-meta{
  margin-top: 64px;
  display: flex;
  gap: 40px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
}
.hero-meta strong{ color: var(--text); display:block; font-family: var(--font-display); font-size: 20px; font-weight: 400; }

.hero-visual{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wire-orb{
  width: 100%;
  max-width: 460px;
  height: auto;
  animation: spin 34s linear infinite;
  filter: drop-shadow(0 0 40px var(--accent-glow));
}
@keyframes spin{ from{ transform: rotate(0deg);} to{ transform: rotate(360deg);} }

@media (max-width: 900px){
  .hero{ grid-template-columns: 1fr; padding-top: 150px; text-align:left; }
  .hero-visual{ order: -1; margin-bottom: 10px; }
  .wire-orb{ max-width: 280px; }
  .hero-meta{ gap: 28px; flex-wrap: wrap; }
}

/* ==========================================================================
   Marquee strip
   ========================================================================== */

.strip{
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 18px 0;
  overflow: hidden;
  white-space: nowrap;
  background: var(--bg-soft);
}
.strip-track{
  display: inline-flex;
  gap: 60px;
  animation: scroll-x 28s linear infinite;
}
.strip span{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 60px;
}
.strip span em{ color: var(--accent); font-style: normal; }
@keyframes scroll-x{ from{ transform: translateX(0);} to{ transform: translateX(-50%);} }

/* ==========================================================================
   Section shell
   ========================================================================== */

section{ position: relative; z-index: 1; padding: 120px 0; }
.section-head{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}
.section-head h2{ margin-top: 14px; max-width: 20ch; }
.section-head .desc{ max-width: 36ch; }

/* ==========================================================================
   Leistungen (services)
   ========================================================================== */

.services{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.service{
  background: var(--bg);
  padding: 44px 34px;
  position: relative;
  transition: background .3s ease;
}
.service:hover{ background: var(--panel); }
.service:hover .service-icon svg{ stroke: var(--accent); }
.service:hover .service-num{ color: var(--accent); }

.service-num{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  transition: color .3s ease;
}

.service-icon{ margin: 30px 0 26px; }
.service-icon svg{ width: 46px; height: 46px; stroke: var(--text-dim); transition: stroke .3s ease; }

.service h3{ font-size: 24px; font-weight: 400; margin-bottom: 14px; }
.service p{ font-size: 15px; }

@media (max-width: 780px){
  .services{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   Projekte / RBSStudioMLO spotlight
   ========================================================================== */

.project-card{
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse 500px 300px at 90% 0%, var(--accent-2-glow), transparent 70%),
    var(--panel);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  overflow: hidden;
}

.project-copy{ padding: 56px; display:flex; flex-direction:column; justify-content:center; gap: 20px; }
.project-tag{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.project-copy h3{ font-size: 34px; font-weight: 400; }
.project-copy p{ max-width: 42ch; }
.project-links{ display:flex; gap: 14px; margin-top: 10px; flex-wrap: wrap; }

.project-visual{
  position: relative;
  border-left: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: var(--bg-soft);
}
.project-visual svg{ width: 100%; max-width: 320px; height: auto; }

@media (max-width: 860px){
  .project-card{ grid-template-columns: 1fr; }
  .project-copy{ padding: 40px 30px; }
  .project-visual{ border-left:none; border-top: 1px solid var(--line); padding: 30px; }
}

/* ==========================================================================
   Arbeitsweise / process
   ========================================================================== */

.process{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.process-step{ border-top: 1px solid var(--line); padding-top: 22px; }
.process-step .n{ font-family: var(--font-mono); font-size: 12px; color: var(--accent); }
.process-step h4{ font-family: var(--font-display); font-weight: 400; font-size: 19px; margin: 10px 0 8px; color: var(--text); }
.process-step p{ font-size: 14px; }

@media (max-width: 900px){
  .process{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px){
  .process{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band{
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 100px 0;
  text-align: center;
}
.cta-band h2{ max-width: none; }
.cta-band .wrap{ display:flex; flex-direction:column; align-items:center; gap: 26px; }
.cta-band p{ max-width: 46ch; }
.cta-band .btn{ margin-top: 6px; }

/* ==========================================================================
   Footer
   ========================================================================== */

footer{ padding: 70px 0 40px; }
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--line-soft);
}
.footer-brand .logo{ margin-bottom: 16px; }
.footer-brand p{ font-size: 14px; max-width: 32ch; }
.footer-col h5{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.footer-col a{
  display:block;
  color: var(--text-dim);
  font-size: 14px;
  padding: 6px 0;
  transition: color .2s ease;
}
.footer-col a:hover{ color: var(--accent); }

.footer-bottom{
  display:flex;
  justify-content: space-between;
  align-items:center;
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 780px){
  .footer-grid{ grid-template-columns: 1fr; gap: 34px; }
}

/* ==========================================================================
   Legal / Kontakt page
   ========================================================================== */

.legal-hero{
  padding: 170px var(--pad) 70px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.legal-hero h1{ font-size: clamp(36px, 5vw, 58px); margin-top: 20px; }

.legal-grid{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
@media (max-width: 900px){
  .legal-grid{ grid-template-columns: 1fr; }
}

.legal-panel{ background: var(--bg); padding: 56px var(--pad); }

.contact-card{
  border: 1px solid var(--line);
  padding: 32px;
  margin-top: 34px;
}
.contact-card .row{
  display:flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  gap: 20px;
}
.contact-card .row:last-child{ border-bottom: none; }
.contact-card .row .k{ font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); letter-spacing: 0.06em; text-transform: uppercase; }
.contact-card .row .v{ font-size: 15px; text-align: right; }
.contact-card .row a.v:hover{ color: var(--accent); }

.legal-body h2{ font-size: 22px; margin-bottom: 8px;}
.legal-block{ margin-bottom: 44px; }
.legal-block:last-child{ margin-bottom: 0; }
.legal-block h3{
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 14px;
}
.legal-block p{ font-size: 14.5px; margin-bottom: 12px; color: var(--text-dim); }
.legal-block p:last-child{ margin-bottom: 0; }
.legal-block a{ color: var(--text); border-bottom: 1px solid var(--line); }
.legal-block a:hover{ color: var(--accent); border-color: var(--accent); }
.legal-note{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}