/* ============================================================
   digicube.pro – design homage to diesdas.digital
   ============================================================ */

:root {
  --black: #101010;
  --white: #ffffff;
  --alabaster: #f6f5f1;
  --mercury: #e9e9e9;
  --green: #a3c19b;
  --pink: #f2a7a7;
  --ink-60: rgba(16, 16, 16, 0.72);
  --ink-14: rgba(22, 22, 22, 0.14);

  --radius-sm: 12px;
  --radius: 20px;
  --radius-panel: 36px;

  --gutter: clamp(18px, 4vw, 40px);
  --maxw: 1920px;
  --content: 1600px;

  --font: "Space Grotesk", "Suisse Int'l", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Newsreader", Georgia, serif;

  --lh-tight: 1.2;
  --lh: 1.3;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--black);
  color: var(--black);
  font-family: var(--font);
  font-weight: 400;
  line-height: var(--lh);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--green); color: var(--black); }

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

/* keyboard focus – adapts to foreground color */
:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

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

/* ---------- Skip link ---------- */

.skip {
  position: fixed;
  top: -120px;
  left: var(--gutter);
  z-index: 100;
  border-radius: 9999px;
  background: var(--black);
  color: var(--white);
  padding: 12px 24px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(0,0,0,.3);
}
.skip:focus-visible { top: 14px; }

main { scroll-margin-top: 96px; }

h1, h2, h3, h4 {
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: var(--lh-tight);
  margin: 0 0 0.4em;
}

/* ---------- Buttons & tags ---------- */

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  border: 1px solid var(--black);
  border-radius: 9999px;
  background: transparent;
  padding: 10px 26px;
  color: var(--black);
  font-family: var(--font);
  font-size: 1.125rem;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease;
}
.btn:hover { background: var(--black); color: var(--white); }

.btn--dark { background: var(--black); color: var(--white); }
.btn--dark:hover { background: rgba(16,16,16,.7); }

.btn--light { border-color: var(--white); color: var(--white); }
.btn--light:hover { background: var(--white); color: var(--black); }

.btn--ghost:hover { background: rgba(16,16,16,.08); color: var(--black); }

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 9999px;
  background: var(--ink-14);
  padding: 4px 14px;
  font-size: 0.875rem;
}

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 18px var(--gutter) 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0 auto;
  max-width: var(--maxw);
}

.logo {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--black);
  color: var(--white);
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 2px 14px rgba(0,0,0,.12);
}
.logo:hover { background: rgba(16,16,16,.7); }

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 14px;
}
.logo:hover .logo-img { filter: brightness(1.05); }

.menu {
  display: flex;
  gap: 4px;
  align-items: center;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,.85);
  border-radius: 9999px;
  padding: 6px;
  box-shadow: 0 2px 14px rgba(0,0,0,.08);
}
.menu a {
  padding: 8px 18px;
  border-radius: 9999px;
  color: var(--black);
  font-size: 1rem;
  text-decoration: none;
  white-space: nowrap;
}
.menu a:hover { opacity: .7; }
.menu a[aria-current="page"] {
  background: var(--black);
  color: var(--white);
}

.nav-cta { flex-shrink: 0; }

/* ---------- Main sheet over black ---------- */

main {
  position: relative;
  background: var(--white);
  border-radius: 0 0 var(--radius-panel) var(--radius-panel);
  min-height: 80vh;
  overflow: clip;
}

/* ---------- Panels ---------- */

.panel { border-radius: var(--radius-panel); }

.panel--lightgray { background: var(--alabaster); }
.panel--mercury { background: var(--mercury); }
.panel--white { background: var(--white); }
.panel--green { background: var(--green); }
.panel--pink { background: var(--pink); }
.panel--black { background: var(--black); color: var(--white); }

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

.hero {
  margin: 0 var(--gutter) 0;
  padding: clamp(96px, 14vw, 180px) clamp(24px, 6vw, 96px) clamp(64px, 8vw, 120px);
  border-radius: 0 0 var(--radius-panel) var(--radius-panel);
}

.kicker {
  margin: 0 0 1.5rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .875rem;
  font-weight: 600;
}

.hero-title {
  max-width: 20ch;
  font-size: clamp(2.4rem, 5.5vw, 5rem);
  line-height: 1.08;
  margin-bottom: 1.5rem;
}

.hero-intro {
  max-width: 62ch;
  font-size: clamp(1.25rem, 2.2vw, 2rem);
  line-height: 1.3;
  margin: 0 0 2.5rem;
}
.hero-intro strong { font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

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

.section { margin: clamp(72px, 10vw, 140px) var(--gutter); }

.intro-block {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 24px;
  align-items: baseline;
  margin-top: clamp(72px, 9vw, 120px);
}
.intro-block-heading { grid-column: 1 / 4; font-size: clamp(2rem, 3.6vw, 3.5rem); }
.intro-block-text {
  grid-column: 4 / 7;
  margin: 0;
  font-size: clamp(1.125rem, 1.8vw, 1.625rem);
  color: var(--ink-60);
}
@media (max-width: 800px) {
  .intro-block-heading, .intro-block-text { grid-column: 1 / -1; }
}

/* ---------- Accordion (pillars) ---------- */

.accordion {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 28px);
  max-width: var(--content);
  margin-inline: auto;
}

.accordion-item {
  border-radius: var(--radius);
  background: var(--mercury);
  overflow: hidden;
}
.accordion-item--white { background: var(--white); box-shadow: inset 0 0 0 1px rgba(16,16,16,.08); }
.accordion-item--green { background: var(--green); }
.accordion-item--pink { background: var(--pink); }

.accordion-item summary {
  display: flex;
  align-items: baseline;
  gap: clamp(16px, 2.5vw, 28px);
  cursor: pointer;
  list-style: none;
  padding: clamp(22px, 3.5vw, 44px) clamp(20px, 3vw, 48px);
}
.accordion-item summary::-webkit-details-marker { display: none; }

.accordion-num {
  font-size: clamp(1rem, 1.4vw, 1.375rem);
  opacity: .7;
  font-variant-numeric: tabular-nums;
}

.accordion-title {
  flex: 1;
  margin: 0;
  font-size: clamp(1.5rem, 3.2vw, 3rem);
  line-height: 1.15;
}

.accordion-icon {
  position: relative;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(16,16,16,.35);
  border-radius: 50%;
  transition: transform .25s ease;
}
.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  width: 16px;
  height: 1.5px;
  background: var(--black);
}
.accordion-icon::after { rotate: 90deg; }
.accordion-item[open] .accordion-icon { rotate: 45deg; }

.accordion-content {
  padding: 0 clamp(20px, 3vw, 48px) clamp(28px, 4vw, 56px);
  padding-left: clamp(60px, 7vw, 120px);
  max-width: 68ch;
}

/* hollow-circle bullets */
.accordion-content ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: clamp(1.125rem, 1.8vw, 1.5rem);
  line-height: 1.4;
}
.accordion-content li {
  position: relative;
  padding-left: 30px;
  margin: 0;
}
.accordion-content li + li { margin-top: 18px; }
.accordion-content li::before {
  content: "";
  position: absolute;
  top: .55em;
  left: 0;
  width: 14px;
  height: 14px;
  border: 1px solid var(--black);
  border-radius: 50%;
}
.accordion-content strong { font-weight: 600; }

/* ---------- CTA panel ---------- */

.cta {
  max-width: var(--content);
  margin-inline: auto;
  padding: clamp(40px, 7vw, 90px) clamp(24px, 6vw, 90px);
}
.cta-title { font-size: clamp(2rem, 4.4vw, 4rem); max-width: 18ch; }
.cta-text { max-width: 60ch; font-size: clamp(1.125rem, 1.8vw, 1.5rem); color: rgba(255,255,255,.85); }

/* ---------- Subpage head ---------- */

.subpage-head {
  padding: clamp(110px, 12vw, 160px) var(--gutter) clamp(32px, 5vw, 64px);
  max-width: var(--maxw);
  margin: 0 auto;
}
.subpage-head h1 { font-size: clamp(2.6rem, 6vw, 5.5rem); max-width: 16ch; }
.subpage-intro { max-width: 62ch; font-size: clamp(1.25rem, 2vw, 1.75rem); color: var(--ink-60); margin: 0; }

/* ---------- Prose ---------- */

.prose {
  max-width: var(--content);
  margin-inline: auto;
  padding: 0 var(--gutter);
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  line-height: 1.55;
}
.prose--lead { font-size: clamp(1.25rem, 2vw, 1.75rem); line-height: 1.45; color: var(--ink-60); }
.prose--lead strong { color: var(--black); font-weight: 600; }

.prose h2 { font-size: clamp(1.75rem, 3vw, 2.75rem); margin-top: 2em; }
.prose h3 { font-size: clamp(1.375rem, 2.2vw, 2rem); margin-top: 1.8em; }
.prose h4 { font-size: clamp(1.125rem, 1.6vw, 1.5rem); margin-top: 1.6em; }
.prose p + p { margin-top: 1.25em; }
.prose a { text-decoration: underline; text-underline-offset: .15em; }
.prose strong { font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: .5em; }
.prose blockquote { margin: 2em 0; padding-left: 1.25em; border-left: 3px solid var(--black); }

/* ---------- Biografie ---------- */

.bio-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(24px, 4vw, 72px);
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(64px, 8vw, 120px);
}
.bio-media figure { margin: 0 0 clamp(16px, 2vw, 28px); }
.bio-media img { border-radius: var(--radius); width: 100%; }
.bio-logo {
  margin: 2.5em 0 0;
  padding: 2em 0 0;
  border-top: 1px solid rgba(16,16,16,.12);
  text-align: center;
}
.bio-logo img {
  max-width: 200px;
  margin: 0 auto;
  border-radius: var(--radius-sm);
  background: var(--white);
  padding: 12px;
}
.bio-logo figcaption {
  margin: .75rem auto 0;
  color: var(--ink-60);
  font-size: .8125rem;
  line-height: 1.4;
  max-width: 340px;
}
.bio-logo figcaption p { margin: 0; }
.bio-logo figcaption a { color: var(--black); text-decoration: underline; text-underline-offset: .15em; }
.bio-layout .prose { padding: 0; font-size: clamp(1.125rem, 1.6vw, 1.375rem); line-height: 1.5; }

.quote {
  margin: 2.5em 0 0;
  padding: clamp(28px, 4vw, 48px);
  border-left: 0;
  border-radius: var(--radius);
  background: var(--alabaster);
}
.quote p { font-family: var(--serif); font-style: italic; font-size: clamp(1.5rem, 2.8vw, 2.375rem); line-height: 1.25; margin: 0 0 .6em; }
.quote cite { font-style: normal; color: var(--ink-60); font-size: 1rem; }

@media (max-width: 900px) {
  .bio-layout { grid-template-columns: 1fr; }
}

/* ---------- Journal ---------- */

.journal-list {
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(64px, 8vw, 120px);
}

.journal-row {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr) auto;
  gap: clamp(16px, 3vw, 48px);
  align-items: center;
  padding: clamp(24px, 3.5vw, 48px) 0;
  border-top: 1px solid rgba(16,16,16,.12);
  text-decoration: none;
}
.journal-row:hover h2 { text-decoration: underline; text-underline-offset: .1em; }
.journal-row time { color: var(--ink-60); font-variant-numeric: tabular-nums; }
.journal-body h2 { font-size: clamp(1.5rem, 3vw, 2.75rem); margin: 0 0 .3em; }
.journal-body p { margin: 0; color: var(--ink-60); max-width: 60ch; }
.journal-arrow { font-size: 2rem; }
.journal-row:hover .journal-arrow { translate: 8px 0; transition: translate .2s ease; }
@media (max-width: 700px) { .journal-row { grid-template-columns: 1fr; gap: 8px; } }

/* ---------- Article ---------- */

.article { max-width: var(--content); margin: 0 auto; padding: 0 var(--gutter) clamp(64px, 8vw, 120px); }
.article-head { padding: clamp(110px, 12vw, 150px) 0 clamp(24px, 3vw, 40px); }
.article-meta { display: flex; align-items: center; gap: 14px; color: var(--ink-60); margin: 0 0 1.25rem; font-variant-numeric: tabular-nums; }
.article-head h1 { font-size: clamp(2.2rem, 5vw, 4.5rem); max-width: 18ch; }
.article-excerpt { font-size: clamp(1.125rem, 1.8vw, 1.5rem); color: var(--ink-60); max-width: 60ch; }
.back { margin-top: 3rem; }
.back a { color: var(--ink-60); text-decoration: none; }
.back a:hover { text-decoration: underline; }

/* ---------- Entscheidungssicherheit highlight ---------- */

.highlight {
  max-width: var(--content);
  margin-inline: auto;
  padding: clamp(36px, 6vw, 80px) clamp(24px, 6vw, 80px);
}
.highlight-title { font-size: clamp(2rem, 4vw, 3.5rem); max-width: 20ch; }
.highlight-text { font-size: clamp(1.125rem, 1.8vw, 1.5rem); max-width: 58ch; }
.highlight-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 2rem; }

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

.kontakt-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(24px, 4vw, 72px);
  align-items: start;
}
.kontakt-form { padding: clamp(28px, 4vw, 56px); }
.kontakt-info { position: sticky; top: 110px; }
.kontakt-name { font-size: 1.375rem; font-weight: 600; }
@media (max-width: 900px) { .kontakt-grid { grid-template-columns: 1fr; } }

.form { display: grid; gap: 1.5rem; }
.form label { display: grid; gap: .5rem; }

.form-note {
  margin: -0.25rem 0 0;
  color: var(--ink-60);
  font-size: .875rem;
  max-width: 52ch;
}
.form-note p { margin: 0; }
.form-note a { text-decoration: underline; text-underline-offset: .15em; }
.form-label { font-weight: 600; font-size: .9375rem; }
.form input[type="text"],
.form input[type="email"],
.form textarea {
  font: inherit;
  padding: 14px 16px;
  border: 1px solid rgba(16, 16, 16, 0.5);
  border-radius: 12px;
  background: var(--white);
  color: var(--black);
  width: 100%;
}
.form input:focus, .form textarea:focus,
.form input:focus-visible, .form textarea:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 1px;
  border-color: transparent;
}
.error { color: #b91c1c; font-size: .875rem; }

.form-summary {
  margin: 0;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--pink);
  color: var(--black);
  font-weight: 600;
}

.flash { padding: 16px 20px; border-radius: 12px; font-size: 1.0625rem; }
.flash.ok { background: var(--green); }
.flash.err { background: var(--pink); }

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

.legal {
  max-width: var(--content);
  margin: 0 var(--gutter) clamp(64px, 8vw, 120px);
  padding: clamp(28px, 4vw, 64px) clamp(24px, 5vw, 80px);
}
.legal .prose { padding: 0; max-width: 80ch; }

/* ---------- Error page ---------- */

.error-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 160px var(--gutter) 100px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.error-page h1 { font-size: clamp(2.6rem, 6vw, 5.5rem); }
.error-text { font-size: clamp(1.125rem, 1.8vw, 1.5rem); color: var(--ink-60); max-width: 48ch; }

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

.footer {
  background: var(--black);
  color: var(--white);
  padding: clamp(64px, 8vw, 120px) var(--gutter) 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: var(--content);
  margin: 0 auto;
}
.footer-label {
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .8125rem;
  color: rgba(255,255,255,.55);
}
.footer p { margin: 0 0 .5rem; }
.footer-claim-text { font-family: var(--serif); font-style: italic; font-size: clamp(1.5rem, 2.6vw, 2.25rem); line-height: 1.25; }
.footer-note { color: rgba(255,255,255,.6); max-width: 36ch; }
.footer a { color: var(--white); }
.footer-contact a { text-decoration: underline; text-underline-offset: .15em; }
@media (max-width: 800px) { .footer-inner { grid-template-columns: 1fr; } }

.footer-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  max-width: var(--content);
  margin: clamp(48px, 6vw, 80px) auto 0;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.7);
  font-size: .9375rem;
}
.footer-meta p { margin: 0; }
.footer-meta nav { display: flex; gap: 20px; }
.footer-meta a { color: rgba(255,255,255,.7); text-decoration: none; }
.footer-meta a:hover { color: var(--white); text-decoration: underline; }

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

@media (max-width: 900px) {
  .nav { position: static; background: var(--white); padding-top: 14px; border-radius: 0 0 var(--radius-panel) var(--radius-panel); }
  .nav-inner { flex-wrap: wrap; }
  .menu { order: 3; width: 100%; justify-content: center; border-radius: 9999px; overflow-x: auto; }
  .nav-cta { order: 2; }
  main { border-radius: 0; }
  .hero { margin: 0; border-radius: 0; }
}