/* main.css — index.html One-Pager — v2.0.0 */

/* ================================================================
   TOPBAR
   ================================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 0;
}
.logo {
  font-family: var(--display);
  font-size: 1.125rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-transform: lowercase;
  margin-right: clamp(20px, 3vw, 40px);
}
.logo::before {
  content: "▌";
  color: var(--hot);
  margin-right: 4px;
  font-weight: 400;
}
.topbar-btn {
  position: relative;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mid);
  padding: 8px 14px;
  border: 1px solid var(--ink);
  background: transparent;
  margin-left: -1px;
  transition: background 0.15s, color 0.15s;
}
.topbar-btn:hover {
  background: var(--paper-warm);
  color: var(--ink);
}
.topbar-btn-active,
.topbar-btn[aria-current="page"] {
  background: var(--hot);
  color: var(--paper-bright);
  border-color: var(--hot);
  z-index: 2;
}
.topbar-btn-active:hover,
.topbar-btn[aria-current="page"]:hover {
  background: var(--hot);
  color: var(--paper-bright);
}
.topbar-left .topbar-btn:first-of-type {
  margin-left: 0;
}
.topbar-nav {
  display: flex;
  gap: clamp(16px, 2.5vw, 32px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mid);
  font-weight: 500;
}
.topbar-nav a { transition: color 0.15s; }
.topbar-nav a:hover { color: var(--hot); }

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  padding: clamp(72px, 12vh, 128px) 0 clamp(56px, 8vh, 96px);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}
.hero-inner { position: relative; z-index: 1; }
.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mid);
  margin-bottom: clamp(40px, 6vh, 64px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.hero-meta-right {
  display: flex;
  gap: 24px;
  color: var(--hot);
}
.hero-wordmark {
  font-family: var(--display);
  font-size: clamp(2.625rem, 8.25vw, 6.75rem);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.055em;
  color: var(--ink);
  text-transform: lowercase;
  margin-bottom: clamp(28px, 4vh, 44px);
}
.hero-claim-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(24px, 4vw, 48px);
  padding-top: 24px;
  border-top: 2px solid var(--ink);
  align-items: start;
}
.hero-claim {
  font-family: var(--display);
  font-size: clamp(1.125rem, 1.9vw, 1.5rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--hot);
  max-width: 32ch;
  letter-spacing: -0.012em;
}
.hero-stamp {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  padding-left: 32px;
  border-left: 1px solid var(--rule-strong);
}
.hero-stamp-ref {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--hot);
  line-height: 1.7;
}

/* ================================================================
   SECTION-RAHMEN (gemeinsam fuer alle Sektionen)
   ================================================================ */
.section {
  position: relative;
  padding: clamp(80px, 12vh, 128px) 0;
  border-bottom: 1px solid var(--rule);
}
.section-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  margin-bottom: clamp(48px, 8vh, 80px);
  padding-bottom: 24px;
  border-bottom: 2px solid var(--ink);
}
.section-meta {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mid);
  line-height: 1.5;
}
.section-meta .num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 4px;
  font-family: var(--display);
}
.section-meta .num::before {
  content: "§";
  color: var(--hot);
  margin-right: 4px;
  font-weight: 400;
}
.section-title {
  font-family: var(--display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  max-width: 26ch;
}
.section-title em {
  font-style: normal;
  color: var(--hot);
}
.section-lede {
  font-family: var(--sans);
  font-size: clamp(0.9375rem, 1.1vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.65;
  color: var(--ink-mid);
  max-width: 56ch;
  margin-top: 16px;
}

/* ================================================================
   PRODUKTE
   ================================================================ */
.products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--ink);
  background: var(--ink);
}
.product {
  background: var(--paper-bright);
  padding: clamp(24px, 3vw, 36px) clamp(20px, 2.5vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 480px;
  position: relative;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}
.product:not(:last-child) { border-right: 1px solid var(--ink); }
.product:hover .product-cta {
  background: var(--ink);
  color: var(--paper-bright);
}
.product-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.product-tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 8px;
  background: var(--ink);
  color: var(--paper-bright);
}
.product-tag.dev {
  background: transparent;
  color: var(--ink-mid);
  border: 1px solid var(--rule);
}
.product-name {
  font-family: var(--display);
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-top: 8px;
}
.product-claim {
  font-family: var(--display);
  font-size: clamp(0.9375rem, 1.05vw, 1.0625rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.product-desc {
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--ink-mid);
}
.product-specs {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.product-specs .spec {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.product-specs .spec .k {
  color: var(--ink-mute);
  text-transform: uppercase;
  font-weight: 600;
}
.product-specs .spec .v { color: var(--ink); }
.product-cta {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 10px 14px;
  background: var(--paper-warm);
  border: 1px solid var(--ink);
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
}
.product-cta::after {
  content: "→";
  margin-left: 12px;
}

/* Featured (AQVASuite) */
.product.featured {
  background: var(--hot-soft);
  border-left: 4px solid var(--hot);
}
.product.featured .product-tag {
  background: var(--hot);
  color: var(--paper-bright);
}
.product.featured .product-name { color: var(--hot); }
.product.featured .product-cta {
  background: var(--hot);
  color: var(--paper-bright);
  border-color: var(--hot);
}
.product.featured:hover .product-cta {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-bright);
}

/* Muted (In Entwicklung) */
.product.muted { background: var(--paper); }
.product.muted .product-name,
.product.muted .product-claim { color: var(--ink-mid); }

.product-dev-btn {
  margin-top: 16px;
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mid);
  padding: 8px 16px;
  border: 1px solid var(--ink-mid);
  background: transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.product-dev-btn:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* ================================================================
   BERATUNG
   ================================================================ */
.beratung-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.beratung-field {
  padding: clamp(32px, 4vh, 48px) clamp(28px, 3vw, 40px);
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.beratung-field:last-child { border-right: none; }
.beratung-no {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--hot);
  text-transform: uppercase;
}
.beratung-name {
  font-family: var(--display);
  font-size: clamp(1.5rem, 2vw, 1.875rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.beratung-claim {
  font-family: var(--display);
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.beratung-desc {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--ink-mid);
}
.beratung-items {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.beratung-item {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  line-height: 1.5;
}
.beratung-item .bullet {
  color: var(--hot);
  font-weight: 700;
}

/* ================================================================
   IDEENWERKSTATT
   ================================================================ */
.ideen {
  background: var(--night);
  color: var(--paper-bright);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--night-soft);
}
.ideen::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 58, 31, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.ideen .section-header { border-bottom-color: var(--hot); }
.ideen .section-meta { color: rgba(255, 255, 255, 0.45); }
.ideen .section-meta .num { color: var(--paper-bright); }
.ideen .section-meta .num::before { color: var(--hot); }
.ideen .section-title { color: var(--paper-bright); }
.ideen .section-title em { color: var(--hot); }

.ideen-content {
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 6vw, 96px);
  position: relative;
  z-index: 1;
}
.ideen-manifesto {
  max-width: 80ch;
}
.ideen-statement {
  font-family: var(--display);
  font-size: clamp(1.375rem, 2.4vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.018em;
  color: var(--paper-bright);
}
.ideen-statement strong {
  color: var(--hot);
  font-weight: 700;
}
.ideen-statement-foot {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.ideen-formula-strip {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 32px);
  padding: clamp(28px, 4vh, 44px) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.ideen-formula-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ideen-formula-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hot);
}
.ideen-formula-term {
  font-family: var(--display);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 700;
  color: var(--paper-bright);
  letter-spacing: -0.01em;
}
.ideen-formula-result .ideen-formula-term {
  font-size: clamp(1.125rem, 1.8vw, 1.5rem);
  font-weight: 900;
  color: var(--hot);
}
.ideen-formula-op {
  font-family: var(--display);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.25);
  line-height: 1;
  align-self: flex-end;
  padding-bottom: 4px;
}

/* ================================================================
   UEBER UNS
   ================================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.about-text {
  font-family: var(--display);
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.about-text p { margin-bottom: 1em; }
.about-text p:last-child { margin-bottom: 0; }
.about-text em {
  font-style: normal;
  color: var(--hot);
  font-weight: 700;
}
.about-facts { border-top: 2px solid var(--ink); }
.about-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.about-fact:last-child { border-bottom: 2px solid var(--ink); }
.about-fact .name {
  font-family: var(--display);
  font-size: clamp(1.375rem, 1.9vw, 1.625rem);
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.about-fact .desc {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink-mid);
}

/* ================================================================
   BERATUNG-INTRO
   ================================================================ */
.beratung-intro {
  margin: 24px 0 48px 0;
  max-width: 800px;
}
.beratung-intro p {
  font-size: 24px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

/* ================================================================
   KONTAKT
   ================================================================ */
.kontakt {
  background: var(--ink);
  color: var(--paper-bright);
  border-bottom: none;
}
.kontakt .section-header { border-bottom-color: var(--hot); }
.kontakt .section-meta { color: rgba(255, 255, 255, 0.45); }
.kontakt .section-meta .num { color: var(--paper-bright); }
.kontakt .section-meta .num::before { color: var(--hot); }
.kontakt .section-title { color: var(--paper-bright); }
.kontakt .section-title em { color: var(--hot); }

.kontakt-block {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding: clamp(28px, 5vh, 44px) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.kontakt-label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hot);
}
.kontakt-email {
  font-family: var(--display);
  font-size: clamp(1.25rem, 2.8vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.018em;
  color: var(--paper-bright);
  line-height: 1.1;
  transition: color 0.15s;
}
.kontakt-block:hover .kontakt-email { color: var(--hot); }
.kontakt-arrow {
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 400;
  color: var(--hot);
  line-height: 1;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.6);
  padding: 24px 0;
  border-top: 1px solid var(--night-soft);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer-inner .right {
  display: flex;
  gap: 24px;
}
.footer-inner a:hover { color: var(--hot); }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 880px) {
  .products { grid-template-columns: 1fr; }
  .product:not(:last-child) { border-right: none; border-bottom: 1px solid var(--ink); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 720px) {
  .topbar-nav { gap: 14px; font-size: 11px; }
  .hero-claim-row { grid-template-columns: 1fr; }
  .hero-stamp { display: none; }
  .beratung-grid { grid-template-columns: 1fr; }
  .beratung-field { border-right: none; border-bottom: 1px solid var(--rule); }
  .beratung-field:last-child { border-bottom: none; }
  .kontakt-block { grid-template-columns: 1fr; gap: 16px; text-align: left; }
}

@media (max-width: 639px) {
  .topbar-btn { font-size: 10px; padding: 5px 10px; }
  .topbar-nav { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}