/* ==========================================================================
   TIVORA — Design System
   Palette: warm charcoal ink, warm paper white, honeycomb gold
   Type: Fraunces (display) / IBM Plex Sans (body) / IBM Plex Mono (utility)
   Signature: the honeycomb-lattice motif from the logo, carried through as
   a structural device (dividers, bullets, tile borders, hero mesh).
   ========================================================================== */

:root{
  --ink:        #1A1814;
  --ink-soft:   #34302A;
  --paper:      #FBF9F5;
  --paper-dim:  #F3EFE7;
  --gold:       #C6A15B;
  --gold-soft:  #DCC48F;
  --gold-deep:  #8C6A2F;
  --line:       #E4DDCC;
  --slate:      #5C584C;
  --slate-60:   rgba(92,88,76,.6);
  --white:      #FFFFFF;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;

  --maxw: 1180px;
  --pad: clamp(20px, 5vw, 64px);

  --ease: cubic-bezier(.22,.61,.36,1);
}

@media (prefers-color-scheme: light){ :root{ } }

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 .4em;
  letter-spacing: -.01em;
}
h1{ line-height: 1.08; }
h2{ line-height: 1.15; }
h3{ line-height: 1.25; }
h4{ line-height: 1.3; }
p{ margin: 0 0 1em; color: var(--ink-soft); }
ul{ margin:0; padding:0; }
button{ font-family: var(--font-body); cursor:pointer; }

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

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

.eyebrow{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold-deep);
  display:flex; align-items:center; gap:.6em;
  margin-bottom: 1.1em;
}
.eyebrow::before{
  content:"";
  width: 9px; height: 9px;
  background: var(--gold);
  clip-path: polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%);
  flex: none;
}
.amp{ font-family: var(--font-body); font-weight: 400; }

/* ---------- Honeycomb watermark (reusable, every page) ---------- */
.wm-host{ position:relative; overflow:hidden; }
.wm-host > .container{ position:relative; z-index:1; }
.wm{
  position:absolute;
  pointer-events:none;
  z-index:0;
  display:block;
  opacity: .9;
}
.wm-tr{ top:-30px; right:-70px; width:340px; }
.wm-bl{ bottom:-50px; left:-90px; width:260px; }
@media (max-width: 780px){
  .wm-tr{ width:220px; top:-15px; right:-60px; }
  .wm-bl{ width:170px; bottom:-30px; left:-60px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count:1 !important; transition-duration: .001ms !important; scroll-behavior:auto !important;}
}

/* ---------- Language toggle visibility ---------- */
[data-en]{ }
html[lang="en"] .lang-de{ display:none; }
html[lang="de"] .lang-en{ display:none; }

/* ==========================================================================
   NAV
   ========================================================================== */
.site-nav{
  position: sticky; top:0; z-index: 50;
  background: rgba(251,249,245,.86);
  backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}
.site-nav .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 96px;
}
.brand{ display:flex; align-items:center; gap:.6em; }
.brand svg, .brand img{ height: 48px; width:auto; }
.brand-word{
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .06em;
  color: var(--ink);
}
.nav-links{
  display:flex; align-items:center; gap: 2.2em;
  list-style:none;
}
.nav-links a{
  font-size: .93rem;
  color: var(--slate);
  position:relative;
  padding: 4px 0;
  transition: color .2s var(--ease);
}
.nav-links a:hover, .nav-links a.active{ color: var(--ink); }
.nav-links a.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-2px;
  height:2px; background: var(--gold);
}
.nav-right{ display:flex; align-items:center; gap: 1.4em; }

.lang-switch{
  display:flex; border:1px solid var(--line); border-radius: 999px;
  font-family: var(--font-mono); font-size: .74rem; overflow:hidden;
}
.lang-switch a{
  border:none; background:transparent; color: var(--slate-60);
  padding: 6px 12px; letter-spacing:.04em;
  transition: all .2s var(--ease);
  text-decoration:none;
}
.lang-switch a[aria-current="true"]{
  background: var(--ink); color: var(--paper);
}

.nav-cta{
  background: var(--ink); color: var(--paper);
  padding: 9px 18px; border-radius: 999px;
  font-size: .85rem; white-space:nowrap;
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.nav-cta:hover{ background: var(--gold-deep); transform: translateY(-1px); }

.nav-toggle{
  display:none; background:none; border:none; padding:8px;
}
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink); margin:5px 0; }

@media (max-width: 880px){
  .nav-links{
    position:fixed; inset: 96px 0 0 0; height: calc(100vh - 96px);
    background: var(--paper);
    flex-direction: column; justify-content:flex-start;
    padding: 40px var(--pad); gap: 1.6em;
    transform: translateX(100%);
    transition: transform .35s var(--ease);
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-links a{ font-size: 1.3rem; }
  .nav-right{ gap: .8em; }
  .nav-cta{ padding: 8px 14px; font-size:.78rem; }
  .nav-toggle{ display:block; }
}
@media (max-width: 560px){
  .nav-cta{ display:none; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position: relative;
  padding: clamp(64px, 12vw, 130px) 0 clamp(56px,8vw,96px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.hero-mesh{
  position:absolute; inset:0; z-index:0;
  opacity: .55;
  pointer-events:none;
}
.hero .container{ position:relative; z-index:1; }
.hero-inner{ max-width: 760px; }
.hero h1{
  font-size: clamp(2.4rem, 5.4vw, 4.1rem);
  line-height: 1.06;
}
.hero .lede{
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--slate);
  max-width: 620px;
  margin-bottom: 2em;
}
.cta-row{ display:flex; gap: 1em; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all .22s var(--ease);
}
.btn-primary{ background: var(--ink); color: var(--paper); }
.btn-primary:hover{ background: var(--gold-deep); transform: translateY(-1px); }
.btn-ghost{ border-color: var(--line); color: var(--ink); }
.btn-ghost:hover{ border-color: var(--gold-deep); color: var(--gold-deep); }

/* ==========================================================================
   SECTIONS / GENERIC
   ========================================================================== */
section{ padding: clamp(56px,9vw,110px) 0; }
.section-border{ border-top: 1px solid var(--line); }
.section-head{ max-width: 680px; margin-bottom: 2.6em; }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-head p{ color: var(--slate); font-size: 1.05rem; }

.statement{
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.4;
  color: var(--ink);
  max-width: 880px;
}
.statement em{ color: var(--gold-deep); font-style: normal; }

/* hex bullet used throughout for lists */
.hex-list{ list-style:none; }
.hex-list li{
  position:relative; padding-left: 1.7em; margin-bottom: .7em;
  color: var(--ink-soft);
}
.hex-list li::before{
  content:"";
  position:absolute; left:0; top:.5em;
  width: 9px; height: 9px;
  background: var(--gold);
  clip-path: polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%);
}

/* ==========================================================================
   SERVICE / HEX TILES
   ========================================================================== */
.tile-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.tile{
  background: var(--paper);
  padding: 2.4em 2em;
  transition: background .25s var(--ease);
  position:relative;
}
.tile:hover{ background: var(--paper-dim); }
.tile .num{
  font-family: var(--font-mono); font-size:.75rem; color: var(--gold-deep);
  margin-bottom: 1.4em; display:block;
}
.tile h3{ font-size: 1.15rem; margin-bottom:.5em; }
.tile p{ font-size: .93rem; color: var(--slate); margin-bottom:0;}
.tile-link{
  display:inline-flex; margin-top:1em; font-size:.85rem; color: var(--gold-deep);
  gap:.4em; align-items:center;
}
@media (max-width: 900px){ .tile-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px){ .tile-grid{ grid-template-columns: 1fr; } }

.tile-full{
  border: 1px solid var(--line);
  padding: clamp(1.8em, 4vw, 3em);
  margin-bottom: 1.6px;
  display:grid;
  grid-template-columns: 60px 1fr 1fr;
  gap: 2.4em;
}
.tile-full .num{ font-family: var(--font-mono); color: var(--gold-deep); font-size: .85rem; padding-top:.2em; }
.tile-full h3{ font-size: 1.4rem; }
.tile-full .tf-lede{ font-family: var(--font-display); font-size:1.15rem; color: var(--ink-soft); }
@media (max-width: 880px){
  .tile-full{ grid-template-columns: 1fr; gap: 1em; }
}

/* ==========================================================================
   STATS
   ========================================================================== */
.stats-band{
  background: var(--ink); color: var(--paper);
}
.stats-grid{
  display:grid; grid-template-columns: repeat(4,1fr); gap: 2em;
}
.stat .n{
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  color: var(--gold-soft);
  display:block;
  margin-bottom:.3em;
}
.stat .d{ font-size: .88rem; color: rgba(251,249,245,.72); max-width: 220px; }
@media (max-width: 880px){ .stats-grid{ grid-template-columns: repeat(2,1fr); row-gap: 2.6em; } }

/* ==========================================================================
   TEAM
   ========================================================================== */
.team-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 3em;
}
@media (max-width: 900px){ .team-grid{ grid-template-columns: 1fr; gap: 3.5em; } }

.avatar-hex{
  width: 210px; height: 242px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: var(--paper-dim);
  padding: 9px;
  box-sizing: border-box;
  display:flex; align-items:center; justify-content:center;
  color: var(--paper);
  font-family: var(--font-display); font-size: 1.8rem;
  margin-bottom: 1.4em;
}
.avatar-hex-inner{
  width:100%; height:100%;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  overflow:hidden;
  background: linear-gradient(150deg, var(--gold-soft), var(--gold-deep));
  display:flex; align-items:center; justify-content:center;
}
.avatar-hex img{
  width:100%; height:100%;
  object-fit: cover; object-position: center top;
  display:block;
}
.person h3{ font-size: 1.5rem; margin-bottom: .15em; }
.person .role{
  font-family: var(--font-mono); font-size: .78rem; letter-spacing:.06em;
  color: var(--gold-deep); text-transform: uppercase; margin-bottom: 1.3em; display:block;
}
.linkedin-link{
  display:inline-flex; align-items:center; gap:.5em;
  font-size: .84rem; color: var(--slate);
  margin: -0.6em 0 1.5em;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.linkedin-link:hover{ color: var(--gold-deep); border-color: var(--gold-deep); }
.person .bio p{ color: var(--ink-soft); }
.fact-block{ margin-top: 1.6em; padding-top: 1.4em; border-top:1px solid var(--line); }
.fact-block h4{
  font-family: var(--font-mono); font-size: .74rem; text-transform:uppercase;
  letter-spacing: .1em; color: var(--slate); margin-bottom: .8em;
}
.fact-block ul{ list-style:none; font-size: .92rem; }
.fact-block li{ margin-bottom:.45em; color: var(--ink-soft); }

.pillars{
  display:grid; grid-template-columns: repeat(3,1fr); gap: 2em; margin-top: 1.6em;
}
.pillar{ border-top: 2px solid var(--gold); padding-top: 1.2em; }
.pillar h4{ font-family: var(--font-body); font-weight:600; font-size:1.02rem; margin-bottom:.4em;}
.pillar p{ font-size: .92rem; }
@media (max-width: 700px){ .pillars{ grid-template-columns: 1fr; } }

/* ==========================================================================
   REFERENCES
   ========================================================================== */
.ref-card{
  border: 1px solid var(--line);
  padding: 2.2em;
  margin-bottom: -1px;
  display:grid; grid-template-columns: 1.1fr 1fr; gap: 2.4em;
}
.ref-card .tag{
  font-family: var(--font-mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.08em; color: var(--gold-deep); margin-bottom:.8em; display:block;
}
.ref-card h3{ font-size: 1.25rem; }
.ref-metrics{ display:flex; flex-direction:column; gap: 1em; justify-content:center; }
.ref-metrics .m{ display:flex; align-items:baseline; gap:.6em; }
.ref-metrics .m .val{ font-family: var(--font-mono); color: var(--gold-deep); font-size:1.3rem; }
.ref-metrics .m .lab{ font-size:.85rem; color:var(--slate); }
@media (max-width: 780px){ .ref-card{ grid-template-columns:1fr; } }

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 4em;
}
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; gap:3em; } }
.contact-item{ margin-bottom: 1.8em; }
.contact-item h4{
  font-family: var(--font-mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.09em; color: var(--slate); margin-bottom:.5em;
}
.contact-item .val{ font-size: 1.15rem; }
#reveal-email{
  border:1px solid var(--line); border-radius:999px; padding: 9px 20px;
  font-size:.88rem; background:transparent; color:var(--ink);
  display:inline-flex; align-items:center; gap:.6em;
  transition: all .2s var(--ease);
}
#reveal-email:hover{ border-color: var(--gold-deep); color:var(--gold-deep); }
.map-note{
  border:1px solid var(--line); padding: 1.8em; font-size:.9rem; color:var(--slate);
  background: var(--paper-dim);
}

/* ---------- Contact form ---------- */
.form-card{
  position: relative;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.8em, 4vw, 3em);
  margin-top: 3.5em;
  background: var(--paper);
  overflow: hidden;
}
.form-card::before{
  content:"";
  position:absolute; top:0; left:0; right:0; height:4px;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold), var(--gold-soft));
}
.form-card .form-head{ max-width:560px; margin-bottom: 1.8em; }
.form-card .form-head h2{ font-size: clamp(1.5rem,2.6vw,1.9rem); margin-bottom:.4em; }
.form-card .form-head p{ color:var(--slate); margin-bottom:0; }

.tform{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.3em 1.4em; }
.tform .field{ display:flex; flex-direction:column; gap:.5em; }
.tform .field.full{ grid-column: 1 / -1; }
.tform label{
  font-family: var(--font-mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.08em; color: var(--slate);
}
.tform label .opt{ text-transform:none; letter-spacing:0; color:var(--slate-60); font-family:var(--font-body); }
.tform input, .tform select, .tform textarea{
  font-family: var(--font-body); font-size: .98rem; color: var(--ink);
  background: var(--paper-dim);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  width: 100%;
}
.tform select{ appearance:none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%235C584C' stroke-width='1.6' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position: right 14px center; padding-right: 36px; }
.tform textarea{ resize: vertical; min-height: 120px; font-family: var(--font-body); }
.tform input:focus, .tform select:focus, .tform textarea:focus{
  outline:none; border-color: var(--gold-deep); background: var(--paper);
  box-shadow: 0 0 0 3px rgba(198,161,91,.18);
}
.tform .hp{ position:absolute; left:-9999px; top:-9999px; opacity:0; height:0; width:0; overflow:hidden; }

.tform .submit-row{ grid-column: 1/-1; display:flex; align-items:center; gap:1.2em; margin-top:.4em; }
.tform button[type="submit"]{
  border:none;
}
.tform button[type="submit"] .hex-dot{
  width:8px; height:8px; background: var(--gold-soft);
  clip-path: polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%);
  display:inline-block; margin-right:.5em;
  transition: transform .4s var(--ease);
}
.tform button[type="submit"].loading .hex-dot{ animation: hexSpin 1s linear infinite; }
@keyframes hexSpin{ to{ transform: rotate(360deg); } }

.form-status{ font-size:.9rem; display:none; }
.form-status.ok{ color: #2f6d3f; display:block; }
.form-status.err{ color: #a3402b; display:block; }

.form-success{
  display:none;
  align-items:center; gap:1em;
  padding: 1.4em 1.6em;
  border-radius: 12px;
  background: var(--paper-dim);
  border: 1px solid var(--line);
}
.form-success.show{ display:flex; }
.form-success .hex-big{
  width:34px; height:39px; flex:none;
  background: linear-gradient(150deg, var(--gold-soft), var(--gold-deep));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display:flex; align-items:center; justify-content:center;
  color:var(--paper); font-size:1rem;
}
.tform.hide{ display:none; }

@media (max-width: 700px){
  .tform{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   CTA BAND
   ========================================================================== */
.cta-band{
  position:relative; overflow:hidden;
  text-align:center; border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.cta-band > .container{ position:relative; z-index:1; }
.cta-band h2{ font-size: clamp(1.8rem,3.6vw,2.7rem); max-width:720px; margin:0 auto .9em; }
.cta-band .cta-row{ justify-content:center; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer{ padding: 4em 0 2.4em; }
.footer-top{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 3em;
  padding-bottom: 2.6em; border-bottom: 1px solid var(--line);
  margin-bottom: 1.8em;
}
.footer-brand .brand{ margin-bottom: 1em; }
.footer-brand p{ font-size:.9rem; color: var(--slate); max-width:280px; }
.footer-col h4{
  font-family: var(--font-mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.09em; color: var(--slate); margin-bottom:1em;
}
.footer-col ul{ list-style:none; }
.footer-col li{ margin-bottom:.7em; font-size:.92rem; }
.footer-col a:hover{ color: var(--gold-deep); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  font-size:.8rem; color: var(--slate-60); flex-wrap:wrap; gap:1em;
}
.footer-bottom .flinks{ display:flex; gap:1.6em; list-style:none; }
@media (max-width:780px){ .footer-top{ grid-template-columns:1fr; gap:2em; } }

/* ==========================================================================
   LEGAL PAGE
   ========================================================================== */
.legal h2{ margin-top: 1.6em; font-size:1.3rem; }
.legal p, .legal li{ color: var(--ink-soft); font-size:.96rem; }
.legal{ max-width: 760px; }

/* Page hero (smaller, for sub-pages) */
.page-hero{ position:relative; overflow:hidden; padding: clamp(48px,8vw,80px) 0 clamp(36px,6vw,56px); border-bottom:1px solid var(--line); }
.page-hero > .container{ position:relative; z-index:1; }
.page-hero h1{ font-size: clamp(2rem,4vw,3rem); }
.page-hero p{ color:var(--slate); max-width:640px; font-size:1.08rem; }

/* reveal-on-scroll */
.reveal{ opacity:0; transform: translateY(16px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }