/* ==========================================================================
   MELVONA MARKETING — Design System
   Navy + Kupfer, geometrisch-facettierte Linienführung (Signature: Facett-Mesh)
   ========================================================================== */

:root{
  /* Colors — sampled from brand logo */
  --navy-950: #060f18;
  --navy-900: #0a1c2c;
  --navy-800: #102a40;
  --navy-700: #1a3c56;
  --navy-600: #29506e;

  --copper-300: #e8c19c;
  --copper-400: #d69d6c;
  --copper-500: #c17a4e;
  --copper-600: #a35f39;
  --copper-700: #7c4728;

  --cream: #f4efe6;
  --cream-dim: #cdd8e0;
  --slate: #8fa3b3;

  --line: rgba(214, 157, 108, 0.18);
  --line-strong: rgba(214, 157, 108, 0.4);

  --font-display: "Cinzel", "Times New Roman", serif;
  --font-body: "Jost", "Segoe UI", sans-serif;

  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

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

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--navy-950);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
section{ position: relative; }

::selection{ background: var(--copper-500); color: var(--navy-950); }

:focus-visible{
  outline: 2px solid var(--copper-400);
  outline-offset: 3px;
}

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

/* ---------- Typography ---------- */

h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  color: var(--cream);
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.eyebrow{
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--copper-400);
  display: inline-flex;
  align-items: center;
  gap: 0.75em;
}
.eyebrow::before{
  content: "";
  width: 28px;
  height: 1px;
  background: var(--copper-500);
  display: inline-block;
}

h1{ font-size: clamp(2.4rem, 5vw, 4.1rem); letter-spacing: 0.01em; }
h2{ font-size: clamp(1.9rem, 3.4vw, 2.75rem); }
h3{ font-size: clamp(1.25rem, 2vw, 1.5rem); }

p{ margin: 0; color: var(--cream-dim); }
.lede{ font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--cream-dim); max-width: 42em; }

.serif-italic{ font-style: italic; }

/* ---------- Buttons ---------- */

.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1em 1.9em;
  border: 1px solid var(--copper-400);
  border-radius: 2px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--copper-400);
  color: var(--navy-950);
}
.btn-primary:hover{ background: var(--copper-300); transform: translateY(-2px); }
.btn-ghost{
  background: rgba(214, 157, 108, 0.16);
  color: var(--cream);
  border-width: 1px;
  border-color: var(--copper-400);
}
.btn-ghost:hover{ border-color: var(--copper-300); color: var(--copper-300); transform: translateY(-2px); }

/* ---------- Facet mesh signature (SVG line motif) ---------- */

.facet-divider{
  width: 100%;
  height: 46px;
  display: block;
  opacity: 0.55;
}
.facet-divider path, .facet-divider polyline{
  fill: none;
  stroke: var(--copper-500);
  stroke-width: 1;
  stroke-dasharray: 6 460;
  stroke-dashoffset: 0;
}
.facet-divider.in-view path, .facet-divider.in-view polyline{
  animation: draw 2.2s var(--ease) forwards;
}
@keyframes draw{
  from{ stroke-dasharray: 6 460; }
  to{ stroke-dasharray: 460 6; }
}

.mesh-bg{
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  z-index: 0;
}

/* ---------- Nav ---------- */

.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.3rem 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled{
  background: rgba(6, 15, 24, 0.92);
  backdrop-filter: blur(10px);
  padding: 0.85rem 0;
  border-color: var(--line);
}
.site-header .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand{
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.brand img{ height: 34px; width: auto; }

.nav-links{
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.5vw, 2.4rem);
}
.nav-links a{
  font-family: var(--font-display);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cream-dim);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after{
  content:"";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--copper-400);
  transition: right 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a[aria-current="page"]{ color: var(--cream); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ right: 0; }

.nav-cta{ display: none; }
@media (min-width: 860px){ .nav-cta{ display: inline-flex; } }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  width: 42px; height: 38px;
  align-items: center;
  justify-content: center;
  color: var(--cream);
  cursor: pointer;
}
.nav-toggle svg{ width: 20px; height: 20px; }

@media (max-width: 859px){
  .nav-links{
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 340px);
    height: 100vh;
    background: var(--navy-900);
    border-left: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2rem;
    padding: 2rem var(--gutter);
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-links a{ font-size: 1rem; }
  .nav-toggle{ display: inline-flex; }
}

/* ---------- Hero ---------- */

.hero{
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 6.5rem;
  padding-bottom: clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}
.hero .wrap{
  margin-left: auto;
  margin-right: auto;
}

.hero-logo-banner{
  width: 100%;
  height: clamp(280px, 40vw, 560px);
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-logo-banner img{
  max-width: 99%;
  max-height: 99%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.hero-copy h1{ margin: 1.1rem 0 1.4rem; }
.hero-copy .lede{ margin-bottom: 2.2rem; }
.hero-actions{ display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-centered{
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 760px;
}


.hero-slogan{
  font-size: clamp(1.7rem, 4.4vw, 3.1rem);
  white-space: nowrap;
  margin: 0.3rem 0 1.5rem;
  color: var(--copper-400);
}
@media (max-width: 640px){
  .hero-slogan{ white-space: normal; }
}
.eyebrow.center{ justify-content: center; }
.eyebrow.center::before{ display: none; }
.lede.center{ margin-left: auto; margin-right: auto; margin-bottom: 2.6rem; }
.hero-actions.center{ justify-content: center; }

.hero-media{
  position: relative;
}
.hero-media .frame{
  position: relative;
  border: 1px solid var(--line-strong);
  padding: 14px;
}
.hero-media img{
  width: 100%;
  height: auto;
  filter: saturate(1.02);
}
.hero-media .corner{
  position: absolute;
  width: 34px; height: 34px;
  border: 1px solid var(--copper-400);
}
.hero-media .corner.tl{ top: -1px; left: -1px; border-right: none; border-bottom: none; }
.hero-media .corner.br{ bottom: -1px; right: -1px; border-left: none; border-top: none; }

.hero-badge{
  position: absolute;
  bottom: -1.4rem;
  left: -1.4rem;
  background: var(--navy-900);
  border: 1px solid var(--line-strong);
  padding: 0.9rem 1.2rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper-300);
}
@media (max-width: 900px){ .hero-badge{ display: none; } }

/* ---------- Sections ---------- */

.section{ padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.section-tight{ padding: clamp(3rem, 6vw, 4.5rem) 0; }
.section-head{ max-width: 46em; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2{ margin-top: 0.9rem; }

.bg-raised{ background: var(--navy-900); }
.bordered-y{ border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ---------- Pillars / feature grid ---------- */

.pillars{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}
@media (max-width: 760px){ .pillars{ grid-template-columns: 1fr; } }
.pillar{
  background: var(--navy-800);
  padding: 2.4rem 2rem;
  border-top: 2px solid var(--copper-500);
}
.bg-raised .pillar{ background: var(--navy-700); }
.pillar .num{
  font-family: var(--font-display);
  color: var(--copper-400);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
}
.pillar h3{ margin: 1rem 0 0.8rem; }
.pillar p{ font-size: 0.95rem; }

/* ---------- About teaser ---------- */

.about-grid{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
@media (max-width: 860px){ .about-grid{ grid-template-columns: 1fr; } }
.about-grid img{ border: 1px solid var(--line-strong); }
.about-copy p + p{ margin-top: 1.1rem; }
.about-copy{ margin-top: 1.3rem; margin-bottom: 2rem; }

/* ---------- Project / case cards ---------- */

.case-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 980px){ .case-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px){ .case-grid{ grid-template-columns: 1fr; } }

.case-card{
  position: relative;
  border: 1px solid var(--line);
  background: var(--navy-900);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.case-card:hover{ border-color: var(--line-strong); transform: translateY(-4px); }
.case-card .thumb{ aspect-ratio: 4/3; overflow: hidden; border-bottom: 1px solid var(--line); }
.case-card .thumb img{ width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.case-card:hover .thumb img{ transform: scale(1.045); }
.case-card .body{ padding: 1.6rem 1.7rem 1.9rem; }
.case-card .tag{ font-family: var(--font-display); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--copper-400); }
.case-card h3{ margin: 0.6rem 0 0.6rem; }
.case-card p{ font-size: 0.92rem; }

.case-link{
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-top: 1.1rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper-300);
}
.case-link::after{
  content: "";
  position: absolute;
  inset: 0;
}
.case-card:hover .case-link{ color: var(--copper-300); }

/* ---------- Process ---------- */

.process-list{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
@media (max-width: 900px){ .process-list{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .process-list{ grid-template-columns: 1fr; } }
.process-step .step-num{
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: transparent;
  -webkit-text-stroke: 1px var(--copper-500);
}
.process-step h3{ margin: 0.9rem 0 0.6rem; font-size: 1.15rem; }
.process-step p{ font-size: 0.92rem; }

/* ---------- CTA band ---------- */

.cta-band{
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
  text-align: center;
  position: relative;
}
.cta-band h2{ max-width: 20em; margin: 0.9rem auto 2rem; }
.cta-band .eyebrow{ justify-content: center; }
.cta-band .eyebrow::before{ display: none; }

/* ---------- Footer ---------- */

.site-footer{
  border-top: 1px solid var(--line);
  padding: 3.5rem 0 2rem;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-brand{ font-family: var(--font-display); letter-spacing: 0.12em; text-transform: uppercase; font-size: 1rem; display:flex; align-items:center; gap:0.6rem; }
.footer-brand img{ height: 28px; }
.footer-tagline{ margin-top: 0.9rem; font-size: 0.9rem; max-width: 26em; }
.footer-col h4{ font-family: var(--font-display); font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--copper-400); margin-bottom: 1rem; }
.footer-col li{ margin-bottom: 0.6rem; font-size: 0.92rem; color: var(--cream-dim); }
.footer-col a:hover{ color: var(--copper-300); }
.footer-bottom{
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--slate);
}
.footer-bottom a{ color: var(--slate); }
.footer-bottom a:hover{ color: var(--copper-300); }

/* ---------- Reveal on scroll ---------- */

.reveal{
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in-view{ opacity: 1; transform: translateY(0); }

/* ---------- Page hero (inner pages) ---------- */

.page-hero{
  padding: 9.5rem 0 4rem;
  position: relative;
}
.page-hero .eyebrow{ margin-bottom: 1rem; }
.page-hero .lede{ margin-top: 1.2rem; }

/* ---------- Services page ---------- */

.service-list{ display: flex; flex-direction: column; }
.service-row{
  display: grid;
  grid-template-columns: 0.9fr 2fr 1.3fr;
  gap: 2rem;
  padding: 2.4rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.service-list .service-row:last-child{ border-bottom: 1px solid var(--line); }
@media (max-width: 800px){
  .service-row{ grid-template-columns: 1fr; gap: 0.8rem; }
}
.service-row .idx{ font-family: var(--font-display); color: var(--copper-500); font-size: 0.8rem; letter-spacing: 0.2em; }
.service-row h3{ margin-bottom: 0.8rem; }
.service-row ul{ font-size: 0.88rem; color: var(--slate); }
.service-row ul li{ padding-left: 1.1em; position: relative; margin-bottom: 0.5rem; }
.service-row ul li::before{ content:"—"; position: absolute; left:0; color: var(--copper-500); }

/* ---------- Portfolio filter ---------- */

.filter-bar{
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 2.6rem;
}
.filter-btn{
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.7em 1.2em;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--cream-dim);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.filter-btn:hover{ border-color: var(--copper-400); color: var(--cream); }
.filter-btn.active{ background: var(--copper-500); border-color: var(--copper-500); color: var(--navy-950); }

.case-card[hidden]{ display: none; }
.case-full[hidden]{ display: none; }

.case-full{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-top: 1px solid var(--line);
}
.case-full:last-child{ border-bottom: 1px solid var(--line); }
@media (max-width: 860px){ .case-full{ grid-template-columns: 1fr; gap: 1.8rem; } }
.case-full .gallery{ display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.case-full .gallery img{ width: 100%; height: 100%; object-fit: cover; border: 1px solid var(--line); aspect-ratio: 1/1; }
.case-full .gallery img.wide{ grid-column: span 2; aspect-ratio: 16/9; }
.case-full .gallery video{ width: 100%; grid-column: span 2; aspect-ratio: 16/9; border: 1px solid var(--line); background: #000; display: block; }
.case-full .gallery.gallery-pair{ grid-template-columns: 1fr; }
.case-full .gallery.gallery-pair img{ aspect-ratio: 16/9; }
.case-full .meta-list{ display: flex; gap: 2rem; margin-top: 1.6rem; flex-wrap: wrap; }
.case-full .meta-list div{ font-size: 0.82rem; }
.case-full .meta-list span{ display:block; font-family: var(--font-display); color: var(--copper-400); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 0.3rem; }
.case-full.reverse{ direction: rtl; }
.case-full.reverse > *{ direction: ltr; }

/* ---------- Contact page ---------- */

.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 5rem);
}
@media (max-width: 900px){ .contact-grid{ grid-template-columns: 1fr; } }

.contact-info h3{ margin-bottom: 0.5rem; }
.contact-block + .contact-block{ margin-top: 2.2rem; }
.contact-block .eyebrow{ margin-bottom: 0.8rem; }
.contact-block a, .contact-block p{ font-size: 1.05rem; }
.contact-block a:hover{ color: var(--copper-300); }

.social-row{ display: flex; gap: 1rem; margin-top: 2.2rem; }
.social-row a{
  border: 1px solid var(--line-strong);
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.social-row a:hover{ border-color: var(--copper-400); color: var(--copper-300); }
.social-row svg{ width: 18px; height: 18px; }

.form{
  display: grid;
  gap: 1.3rem;
}
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }
@media (max-width: 560px){ .form-row{ grid-template-columns: 1fr; } }
.field{ display: flex; flex-direction: column; gap: 0.55rem; }
.field label{
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}
.field input, .field select, .field textarea{
  background: var(--navy-900);
  border: 1px solid var(--line-strong);
  color: var(--cream);
  padding: 0.85em 1em;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: 2px;
  transition: border-color 0.25s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color: var(--copper-400);
  outline: none;
}
.field textarea{ resize: vertical; min-height: 120px; }
.form-note{ font-size: 0.82rem; color: var(--slate); }
.form-status{ font-size: 0.88rem; color: var(--copper-300); min-height: 1.2em; }

/* ---------- Legal pages ---------- */

.legal-content{ max-width: 46em; overflow-wrap: break-word; word-break: break-word; }
.legal-content h3{ margin: 2.4rem 0 0.8rem; font-size: 1.15rem; }
.legal-content h3:first-of-type{ margin-top: 1rem; }
.legal-content p{ font-size: 0.95rem; line-height: 1.75; }
.legal-content a{ color: var(--copper-300); text-decoration: underline; text-underline-offset: 2px; }
.legal-note{
  background: var(--navy-800);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--copper-500);
  padding: 1rem 1.3rem;
  font-size: 0.85rem !important;
  color: var(--cream-dim);
  margin-bottom: 1rem;
}
.mt-lg{ margin-top: clamp(2.5rem, 5vw, 4rem); }
.center{ text-align: center; margin-left: auto; margin-right: auto; }