/* ============================================================
   GLOBAL BLUEPRINT GRID + GLOW
   ============================================================ */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-faint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-faint) 1px, transparent 1px),
    linear-gradient(to right, rgba(144, 183, 252, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(144, 183, 252, 0.16) 1px, transparent 1px);
  background-size: 28px 28px, 28px 28px, 224px 224px, 224px 224px;
  background-position: center top;
  will-change: transform;
}
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(680px 480px at 82% -8%, var(--bg-glow-a), transparent 65%),
    radial-gradient(620px 520px at -6% 38%, var(--bg-glow-b), transparent 60%);
}

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad-inline);
  position: relative;
  z-index: 1;
}

.mono { font-family: var(--font-mono); letter-spacing: 0.06em; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-secondary);
}
.kicker::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--c-lightblue);
  display: inline-block;
}

.section-index {
  position: absolute;
  top: -0.35em;
  right: 0;
  z-index: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(4.5rem, 14vw, 9rem);
  line-height: 1;
  color: rgba(144, 183, 252, 0.5);
  pointer-events: none;
  user-select: none;
}

section { position: relative; z-index: 1; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(11, 15, 26, 0.72);
  border-bottom: 1px solid var(--line-faint);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.85rem;
  min-height: 44px;
}
.brand { display: inline-flex; align-items: center; gap: 0.65rem; min-height: 44px; }
.brand-mark { width: 30px; height: 30px; flex: none; }
.brand-name { font-family: var(--font-sans); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.01em; color: var(--text-primary); }
.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
  border-left: 1px solid var(--line-soft);
  padding-left: 0.65rem;
  margin-left: 0.15rem;
  display: none;
}
@media (min-width: 640px) { .brand-tag { display: inline; } }

.header-nav { display: flex; align-items: center; gap: 1.1rem; }
.status-pill {
  display: none;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border: 1px solid var(--panel-border);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: var(--panel-bg);
}
@media (min-width: 860px) { .status-pill { display: inline-flex; } }
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-lightblue);
  box-shadow: 0 0 0 0 rgba(144, 183, 252, 0.6);
  animation: pulseDot 2.4s ease-out infinite;
}
@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(144, 183, 252, 0.55); }
  70% { box-shadow: 0 0 0 7px rgba(144, 183, 252, 0); }
  100% { box-shadow: 0 0 0 0 rgba(144, 183, 252, 0); }
}
@media (prefers-reduced-motion: reduce) { .status-dot { animation: none; } }

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding-inline: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  border: 1px solid var(--panel-border);
  border-radius: 1px;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.nav-cta:hover { border-color: var(--c-lightblue); background: var(--panel-bg); box-shadow: 0 0 0 1px var(--line-soft), 0 0 18px rgba(144, 183, 252, 0.15); }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; min-height: min(920px, 100vh); display: flex; align-items: center; padding-block: clamp(3rem, 8vh, 6rem); overflow: hidden; isolation: isolate; }
.hero-field { position: absolute; inset: 0; z-index: 0; filter: drop-shadow(0 0 10px rgba(144, 183, 252, 0.28)); }
.hero-vignette { position: absolute; inset: 0; z-index: 0; background: linear-gradient(180deg, rgba(11, 15, 26, 0.15) 0%, rgba(11, 15, 26, 0.55) 78%, var(--bg-1) 100%); pointer-events: none; }
.hero-content { position: relative; z-index: 1; max-width: 780px; }
.hero-coords { position: absolute; left: var(--pad-inline); bottom: 1.2rem; z-index: 1; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; color: var(--text-secondary); opacity: 0.85; }
@media (max-width: 640px) {
  .hero-coords { display: none; }
  /* Auf kleinen Screens liegt die Punktwolke dichter hinter dem Text.
     Reduzierte Deckkraft bewahrt das Markenmotiv ohne die Lesbarkeit zu stören. */
  .hero-field { opacity: 0.55; }
  .hero-vignette {
    background:
      radial-gradient(ellipse 105% 72% at 42% 50%, rgba(11, 15, 26, 0.72), rgba(11, 15, 26, 0.18) 72%, transparent),
      linear-gradient(180deg, rgba(11, 15, 26, 0.08) 0%, rgba(11, 15, 26, 0.65) 82%, var(--bg-1) 100%);
  }
}

.hero h1 { margin-top: 1.1rem; font-family: var(--font-sans); font-weight: 700; font-size: clamp(2.1rem, 6vw, 4rem); line-height: 1.08; letter-spacing: -0.01em; color: var(--text-primary); }
.hero h1 em { font-style: normal; color: var(--c-lightblue); background: linear-gradient(180deg, transparent 62%, rgba(144, 183, 252, 0.18) 62%); }
.hero p.lede { margin-top: 1.4rem; max-width: 56ch; font-size: clamp(1rem, 1.6vw, 1.15rem); color: var(--text-secondary); }

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem; margin-top: 2.2rem; }

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  min-height: 44px;
  padding: 0.85rem 1.4rem;
  background: var(--c-blue);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.03em;
  border-radius: 1px;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease-precise), box-shadow 0.2s ease, background 0.2s ease;
}
.cta:hover { background: color-mix(in srgb, var(--c-blue) 82%, var(--c-lightblue) 18%); box-shadow: 0 0 0 1px var(--c-lightblue), 0 0 24px rgba(144, 183, 252, 0.35); transform: translateY(-1px); }
.cta .arrow { transition: transform 0.2s var(--ease-precise); }
.cta:hover .arrow { transform: translateX(3px); }
@media (prefers-reduced-motion: reduce) { .cta:hover { transform: none; } }

.cta-secondary { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-secondary); display: inline-flex; align-items: center; min-height: 44px; }
.cta-secondary strong { color: var(--text-primary); font-weight: 600; margin-left: 0.4em; }

/* ============================================================
   GENERIC SECTION
   ============================================================ */
.section { padding-block: clamp(4rem, 10vh, 7.5rem); border-top: 1px solid var(--line-faint); background: var(--bg-1); }
.section-head { position: relative; max-width: 760px; }
.section-head h2 { margin-top: 0.9rem; font-family: var(--font-sans); font-weight: 700; font-size: clamp(1.7rem, 3.6vw, 2.6rem); line-height: 1.16; letter-spacing: -0.01em; color: var(--text-primary); }
.section-lede { margin-top: 1.2rem; max-width: 62ch; color: var(--text-secondary); font-size: clamp(0.98rem, 1.2vw, 1.05rem); }

/* ---- Positionierung: Schema-Diagramm + Pull-Quote ---- */
.schema-wrap { margin-top: clamp(2.5rem, 6vw, 4rem); display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: start; }
@media (min-width: 900px) { .schema-wrap { grid-template-columns: 1.05fr 0.95fr; gap: 3rem; } }
.schema-copy p { color: var(--text-secondary); max-width: 52ch; }
.schema-copy p + p { margin-top: 1rem; }

.pull-quote {
  margin-top: 1.8rem;
  padding-left: 1.1rem;
  border-left: 2px solid var(--c-lightblue);
  font-family: var(--font-quote);
  font-style: italic;
  font-weight: 380;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.5;
  color: var(--text-primary);
  max-width: 46ch;
}

.schema-frame { position: relative; border: 1px solid var(--panel-border); background: var(--panel-bg); padding: clamp(1.4rem, 3vw, 2.2rem); border-radius: var(--radius); }
.tech-corner::before, .tech-corner::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--c-lightblue);
  opacity: 0.7;
}
.tech-corner::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.tech-corner::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.schema-label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; color: var(--text-secondary); text-transform: uppercase; margin-bottom: 1.1rem; display: block; }
.schema-svg { width: 100%; height: auto; }
.schema-svg text { font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.05em; fill: var(--text-secondary); text-transform: uppercase; }
.schema-svg .node { fill: var(--bg-1); stroke: var(--c-lightblue); stroke-width: 1; }
.schema-svg .node.active { fill: var(--c-blue); stroke: var(--c-lightblue); }
.schema-svg .link { stroke: var(--line-soft); stroke-width: 1; }
.schema-svg .dot { fill: var(--c-lightblue); }

/* ---- Prinzipien ---- */
.principles-grid { margin-top: clamp(2.5rem, 6vw, 4rem); display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--panel-border); border: 1px solid var(--panel-border); }
@media (min-width: 720px) { .principles-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1080px) { .principles-grid { grid-template-columns: repeat(4, 1fr); } }
.principle { position: relative; background: var(--bg-1); padding: clamp(1.6rem, 3vw, 2.1rem) clamp(1.4rem, 3vw, 1.8rem); min-height: 220px; display: flex; flex-direction: column; }
.principle::before, .principle::after { content: ""; position: absolute; width: 10px; height: 10px; border: 1px solid var(--c-lightblue); opacity: 0.55; top: 12px; }
.principle::before { left: 12px; border-right: 0; border-bottom: 0; }
.principle::after { right: 12px; border-left: 0; border-bottom: 0; }
.principle-index { font-family: var(--font-mono); font-size: 0.72rem; color: var(--c-lightblue); letter-spacing: 0.08em; }
.principle h3 { margin-top: 0.9rem; font-family: var(--font-sans); font-weight: 700; font-size: 1.15rem; color: var(--text-primary); }
.principle p { margin-top: 0.7rem; font-size: 0.92rem; color: var(--text-secondary); flex: 1; }

/* ---- Kontakt ---- */
.contact-section { background: radial-gradient(560px 380px at 85% 10%, rgba(63, 99, 175, 0.22), transparent 65%), var(--bg-0); }
.contact-panel { margin-top: clamp(2.5rem, 6vw, 3.5rem); border: 1px solid var(--panel-border); background: var(--panel-bg); padding: clamp(1.8rem, 5vw, 3rem); border-radius: var(--radius); display: grid; gap: 2rem; }
@media (min-width: 860px) { .contact-panel { grid-template-columns: 1.2fr 0.8fr; align-items: center; } }
.contact-readout { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-secondary); }
.contact-fields {
  margin-top: 1.1rem;
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 0.6em;
  row-gap: 0.65rem;
}
.contact-fields dt { color: var(--text-secondary); opacity: 0.75; }
.contact-fields dd { color: var(--text-primary); }
.contact-cta { display: flex; flex-direction: column; align-items: flex-start; gap: 0.9rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { border-top: 1px solid var(--line-faint); background: var(--bg-1); padding-block: 2.2rem; }
.footer-inner { display: flex; flex-direction: column; gap: 1.4rem; font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-secondary); }
@media (min-width: 720px) { .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; } }
.footer-legal { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-legal a { display: inline-flex; align-items: center; min-height: 44px; color: var(--text-secondary); border-bottom: 1px solid transparent; transition: color 0.2s ease, border-color 0.2s ease; }
.footer-legal a:hover { color: var(--text-primary); border-color: var(--c-lightblue); }

@media (prefers-reduced-motion: reduce) {
  .bg-grid { transform: none !important; }
}