/* ==========================================================================
   Nodus Architekten — Grundgerüst
   Schrift: Archivo (durchgehend). Farbwelt: Papierweiss, Tinte, ein Rotton
   als "Node"-Akzent (angelehnt an den Namen Nodus / Knoten).
   ========================================================================== */

:root {
  --bg: #ffffff;
  --paper: #f4f3ee;
  --ink: #14140f;
  --ink-soft: #55554d;
  --line: #d9d7cd;
  --accent: #d43d2a;

  --maxw: 1160px;
  --gap: 2rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Archivo', Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

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

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3 { margin: 0; font-weight: 900; letter-spacing: -0.01em; }

/* Der "Node"-Buchstabe: taucht überall auf, wo NODUS steht */
.node {
  color: var(--accent);
  -webkit-text-stroke: 2px var(--accent);
  -webkit-text-fill-color: transparent;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.5rem;
}
.eyebrow-light { color: var(--paper); opacity: 0.85; }

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.logo {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.02em;
}

nav { display: flex; gap: 1.75rem; }

nav a {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.15s ease;
}
nav a:hover { border-color: var(--accent); }

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

.hero {
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  text-align: center;
}

.hero h1 {
  font-size: clamp(3.2rem, 12vw, 7.5rem);
  line-height: 0.95;
}

.hero-sub {
  margin: 1rem 0 0;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- Platzhalter-Rahmen (bis echte Fotos eingesetzt sind) ---------- */

.frame {
  display: block;
  width: 100%;
  border-radius: 2px;
  object-fit: cover;
  background: var(--paper);
}

.frame-wide   { aspect-ratio: 16 / 7; }
.frame-square { aspect-ratio: 1 / 1; }
.frame-portrait { aspect-ratio: 4 / 5; }

.placeholder {
  position: relative;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
}
.placeholder::before,
.placeholder::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent);
}
.placeholder::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.placeholder::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.placeholder-mark {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

.frame-wide .placeholder-mark {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

/* ---------- Gruppenbild ---------- */

.group-photo { padding: 0 0 clamp(3rem, 6vw, 5rem); }

/* ---------- Team ---------- */

.team { padding: clamp(2rem, 5vw, 3rem) 0 clamp(3.5rem, 7vw, 6rem); }

.team h2, .projects h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 2.5rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.team-card { display: flex; flex-direction: column; }

.team-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 1.1rem 0 0.75rem;
}

.meta { margin: 0; border-top: 1px solid var(--line); }

.meta-row {
  display: flex;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
}

.meta-row dt {
  flex: 0 0 90px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.meta-row dd {
  margin: 0;
  font-size: 0.92rem;
}

.meta-row-profil dd { line-height: 1.5; }

.placeholder-text {
  font-style: italic;
  color: var(--ink-soft);
}

/* ---------- Projekte ---------- */

.projects {
  padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(4rem, 8vw, 6rem);
  background: var(--paper);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}

.project-item { margin: 0; }

.project-item figcaption {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.project-item .frame { background: var(--bg); }

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

.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(3rem, 7vw, 5rem) 0;
  text-align: center;
}

.site-footer .node {
  -webkit-text-stroke: 2px var(--accent);
}

.email-link {
  display: inline-block;
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  font-weight: 700;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 4px;
  transition: opacity 0.15s ease;
}
.email-link:hover { opacity: 0.75; }

.footer-fine {
  margin: 2.5rem 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--paper);
  opacity: 0.6;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .team-grid { grid-template-columns: 1fr; gap: 2.75rem; }
}

@media (max-width: 480px) {
  .project-grid { grid-template-columns: 1fr; }
  nav { gap: 1.1rem; }
}