/* ============================================================
   Impuls — Forum-Papenburg follow-up page
   Same responsive system as the Company OS landing:
   - 1rem = 16px base; type/spacing/widths in rem / ch / clamp().
   - Full-bleed section backgrounds (outer) + .wrap content cap (inner).
   - Shell ceiling 120rem (1920px), centred via margin-inline:auto.
   - Breakpoints: Mobile ≤40rem · Tablet 40–64rem · Desktop 64–120rem.
   ============================================================ */

:root {
  --shell:        120rem;   /* 1920px content ceiling */
  --gutter:       clamp(1.25rem, 4vw, 4rem);
  --section-y:    clamp(4.5rem, 7vw, 8.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 100%; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ocki-bg);
  color: var(--ocki-fg);
  font-family: var(--ocki-font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
button, input, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--ocki-accent); outline-offset: 2px; }

.wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.kicker {
  font-family: var(--ocki-font-mono);
  font-size: 0.8125rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ocki-fg-muted); display: inline-block;
}
.kicker .br { color: var(--ocki-accent); }
.kicker .br + span { margin: 0 0.5rem; }

/* ============================================================
   Header
   ============================================================ */
.hdr {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,245,245,0.85);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ocki-border);
}
.hdr-inner {
  width: 100%; max-width: var(--shell); margin-inline: auto;
  padding-inline: var(--gutter);
  min-height: 3.75rem;
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: clamp(0.75rem, 2vw, 1.5rem);
}
.hdr-logo { display: flex; align-items: center; text-decoration: none; }
.hdr-logo img { height: 1.375rem; width: auto; display: block; }
.hdr-meta { display: flex; justify-content: flex-end; padding-right: 0.25rem; min-width: 0; }
.hdr-meta a {
  font-family: var(--ocki-font-mono); font-size: 0.75rem; font-weight: 500;
  color: var(--ocki-fg-muted); letter-spacing: 0.02em; text-decoration: none;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.hdr-cta {
  font-family: var(--ocki-font-mono); font-size: 0.8125rem; font-weight: 600;
  padding: 0.5rem 0.875rem; border-radius: var(--ocki-radius-md); border: 0;
  background: var(--ocki-fg); color: #fff; cursor: pointer; letter-spacing: 0.01em;
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.375rem;
  white-space: nowrap;
  transition: background var(--ocki-dur-fast) var(--ocki-ease);
}
.hdr-cta:hover { background: #2a2a2a; }
.hdr-cta span { margin-left: 0.375rem; }
@media (max-width: 34rem) {
  .hdr-meta { display: none; }
  .hdr-inner { grid-template-columns: auto 1fr; }
  .hdr-cta { justify-self: end; grid-column: 2; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  background: var(--ocki-bg); border-bottom: 1px solid var(--ocki-border);
  padding-block: clamp(4.5rem, 9vw, 7.5rem);
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(14,14,14,0.06) 1px, transparent 0);
  background-size: 1.5rem 1.5rem;
  -webkit-mask-image: radial-gradient(ellipse at 25% 40%, black 15%, transparent 60%);
  mask-image: radial-gradient(ellipse at 25% 40%, black 15%, transparent 60%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: flex; flex-direction: column; align-items: flex-start;
  gap: clamp(1.5rem, 2.5vw, 2rem);
}
.hero-copy {
  display: flex; flex-direction: column; align-items: flex-start;
  gap: clamp(1.5rem, 2.5vw, 2rem); min-width: 0; max-width: max(52rem, 75%);
}
.hero h1 {
  font-family: var(--ocki-font-display); margin: 0;
  line-height: 1.04; letter-spacing: -0.035em; color: var(--ocki-fg);
  font-weight: 600; max-width: none;
}
.hero h1 .l1, .hero h1 .l2 {
  display: block;
  font-size: clamp(2.5rem, 1rem + 5vw, 5rem);
}
.hero h1 .l2 { color: var(--ocki-fg-dim); }
.hero h1 .case { color: var(--ocki-accent); }
.hero-lead {
  font-family: var(--ocki-font-sans);
  font-size: clamp(1.0625rem, 1rem + 0.5vw, 1.1875rem); line-height: 1.6;
  color: var(--ocki-fg-muted); margin: 0; max-width: 52ch; text-wrap: pretty;
}
.hero-btn {
  font-family: var(--ocki-font-mono); font-size: clamp(0.875rem, 0.8rem + 0.25vw, 0.9375rem);
  font-weight: 600; padding: 0.875rem 1.375rem; border-radius: var(--ocki-radius-md);
  border: 0; background: var(--ocki-accent); color: #fff; cursor: pointer;
  letter-spacing: 0.01em; text-decoration: none;
  display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 0.25rem;
  transition: background var(--ocki-dur-fast) var(--ocki-ease);
}
.hero-btn:hover { background: var(--ocki-accent-hi); }
/* hero CTA full width across phones (up to 48rem) */
@media (max-width: 48rem) {
  .hero-btn { width: 100%; justify-content: center; }
}

/* ============================================================
   Denkrahmen — animated 3-step list
   ============================================================ */
.dk {
  background: var(--ocki-bg-elevated);
  border-bottom: 1px solid var(--ocki-border);
  padding-block: var(--section-y);
}
.dk-inner { display: flex; flex-direction: column; gap: clamp(2rem, 5vw, 4rem); }
.dk-head { display: flex; flex-direction: column; gap: 1rem; max-width: max(38rem, 75%); }
.dk-head h2 {
  font-family: var(--ocki-font-display);
  font-size: clamp(2rem, 1rem + 3vw, 3.75rem); font-weight: 600;
  line-height: 1.05; letter-spacing: -0.025em; color: var(--ocki-fg);
  margin: 0; text-wrap: balance; max-width: none;
}
.dk-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; }
.dk-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(7rem, 13.75rem) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: baseline;
  padding: clamp(2rem, 4vw, 3rem) 0 clamp(2rem, 4vw, 3rem) clamp(1.25rem, 2vw, 1.75rem);
  border-top: 1px solid var(--ocki-border);
}
.dk-rail {
  position: absolute; left: 0;
  top: clamp(2rem, 4vw, 3rem); bottom: clamp(2rem, 4vw, 3rem);
  width: 3px; background: var(--ocki-accent); border-radius: 2px;
  transform-origin: top; transform: scaleY(0);
  transition: transform 480ms var(--ocki-ease); pointer-events: none;
}
.dk-row[data-active="true"] .dk-rail { transform: scaleY(1); }
.dk-num {
  font-family: var(--ocki-font-mono);
  font-size: clamp(3.25rem, 1rem + 8vw, 6.75rem); font-weight: 500;
  line-height: 1; letter-spacing: -0.04em; color: var(--ocki-fg);
  transition: color 360ms var(--ocki-ease), opacity 360ms var(--ocki-ease);
}
.dk-list[data-mode="active"] .dk-row:not([data-active="true"]) .dk-num { opacity: 0.32; }
.dk-row[data-active="true"] .dk-num { color: var(--ocki-accent); }
.dk-col2 { display: flex; flex-direction: column; gap: 0.75rem; padding-top: 0.75rem; min-width: 0; }
.dk-label {
  font-family: var(--ocki-font-display);
  font-size: clamp(1.625rem, 1rem + 2vw, 2.5rem); font-weight: 600;
  line-height: 1.1; letter-spacing: -0.02em; color: var(--ocki-fg); margin: 0;
  transition: opacity 360ms var(--ocki-ease);
}
.dk-list[data-mode="active"] .dk-row:not([data-active="true"]) .dk-label { opacity: 0.5; }
.dk-body {
  font-family: var(--ocki-font-sans);
  font-size: clamp(1rem, 1rem + 0.4vw, 1.1875rem); line-height: 1.55;
  color: var(--ocki-fg-muted); margin: 0; max-width: 46ch;
  transition: color 360ms var(--ocki-ease), opacity 360ms var(--ocki-ease);
}
.dk-row[data-active="true"] .dk-body { color: var(--ocki-fg); }
.dk-list[data-mode="active"] .dk-row:not([data-active="true"]) .dk-body { opacity: 0.55; }
.dk-body .em { color: var(--ocki-fg); font-weight: 600; }
@media (max-width: 40rem) {
  .dk-row { grid-template-columns: 1fr; gap: 0.5rem; }
  .dk-col2 { padding-top: 0; }
  .dk-rail { width: 2px; }
}

/* ============================================================
   Kontakt
   ============================================================ */
.kontakt {
  background: var(--ocki-bg-sunken);
  border-bottom: 1px solid var(--ocki-border);
  padding-block: var(--section-y);
}
.kontakt-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr));
  gap: clamp(2rem, 5vw, 5rem); align-items: start;
}
.kontakt-head {
  display: flex; flex-direction: column; gap: 1rem; align-items: flex-start;
  position: sticky; top: 5rem;
}
.kontakt-head h2 {
  font-family: var(--ocki-font-display);
  font-size: clamp(2.5rem, 1rem + 5vw, 4.25rem); font-weight: 600;
  line-height: 1.05; letter-spacing: -0.03em; color: var(--ocki-fg); margin: 0;
  text-wrap: balance; max-width: 16ch;
}
.kontakt-sub {
  font-family: var(--ocki-font-sans);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.125rem); line-height: 1.6;
  color: var(--ocki-fg-muted); margin: 0; max-width: 50ch; text-wrap: pretty;
}
.k-primaryrow {
  display: flex; align-items: center; gap: clamp(0.75rem, 2vw, 1.25rem);
  flex-wrap: wrap; margin-top: 0.5rem;
}
.k-primarybtn {
  font-family: var(--ocki-font-mono); font-size: 0.875rem;
  font-weight: 600; padding: 0.75rem 1.25rem;
  border-radius: var(--ocki-radius-md); border: 0; background: var(--ocki-accent); color: #fff;
  cursor: pointer; letter-spacing: 0.01em; text-decoration: none;
  display: inline-flex; align-items: center; gap: 0.5rem;
  transition: background var(--ocki-dur-fast) var(--ocki-ease);
}
.k-primarybtn:hover { background: var(--ocki-accent-hi); }
.k-primarymeta {
  font-family: var(--ocki-font-mono); font-size: 0.75rem; color: var(--ocki-fg-dim);
  letter-spacing: 0.04em; text-transform: uppercase;
}

/* right column — write-to-us card */
.kontakt-formcol {
  background: var(--ocki-bg-elevated); border: 1px solid var(--ocki-border);
  border-radius: var(--ocki-radius-lg); box-shadow: var(--ocki-shadow-sm);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex; flex-direction: column; gap: 1.25rem;
}
.k-formlabel {
  font-family: var(--ocki-font-mono); font-size: 0.75rem; color: var(--ocki-fg-dim);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.k-form { display: flex; flex-direction: column; gap: 0.875rem; }
.k-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 0.875rem; align-items: end;
}
.k-field { display: flex; flex-direction: column; gap: 0.375rem; min-width: 0; }
.k-field label {
  font-family: var(--ocki-font-mono); font-size: 0.6875rem; color: var(--ocki-fg-dim);
  letter-spacing: 0.04em; text-transform: uppercase;
}
.k-field input {
  font-family: var(--ocki-font-sans); font-size: 1rem;
  padding: 0.75rem 0.875rem; background: var(--ocki-bg); color: var(--ocki-fg);
  border: 1px solid var(--ocki-border); border-radius: var(--ocki-radius-md);
  outline: none; width: 100%; min-width: 0;
  transition: border-color var(--ocki-dur-fast) var(--ocki-ease);
}
.k-field input:focus { border-color: var(--ocki-accent); }
.k-field input.is-error { border-color: var(--ocki-danger); }
.k-formbtn {
  font-family: var(--ocki-font-mono); font-size: 0.875rem; font-weight: 600;
  padding: 0.875rem 1.25rem; border-radius: var(--ocki-radius-md);
  border: 1px solid var(--ocki-fg); background: var(--ocki-fg); color: #fff;
  cursor: pointer; width: 100%;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  transition: background var(--ocki-dur-fast) var(--ocki-ease);
}
.k-formbtn:hover { background: #2a2a2a; }
.k-error { font-family: var(--ocki-font-mono); font-size: 0.75rem; color: var(--ocki-danger); min-height: 1rem; }
.k-thanks {
  display: none; flex-direction: column; gap: 0.625rem;
  padding: clamp(1.25rem, 2vw, 1.75rem);
  background: var(--ocki-bg-elevated); border: 1px solid var(--ocki-border);
  border-radius: var(--ocki-radius-lg);
}
.k-thanks[data-on="true"] { display: flex; }
.k-thanks .k { font-family: var(--ocki-font-mono); font-size: 0.6875rem; color: var(--ocki-accent); letter-spacing: 0.06em; text-transform: uppercase; }
.k-thanks .m { font-family: var(--ocki-font-display); font-size: clamp(1.25rem, 1rem + 0.6vw, 1.5rem); font-weight: 500; color: var(--ocki-fg); margin: 0; line-height: 1.3; }
.k-micro { font-family: var(--ocki-font-mono); font-size: 0.75rem; color: var(--ocki-fg-dim); margin: 0; letter-spacing: 0.02em; line-height: 1.7; }
.k-micro a { color: var(--ocki-fg); text-decoration: underline; text-underline-offset: 3px; }
.k-micro .sep { color: var(--ocki-border-hi); }
@media (max-width: 52rem) {
  .kontakt-head { position: static; }
}
@media (max-width: 40rem) {
  .hero-btn { width: 100%; justify-content: center; }
  .k-primaryrow { flex-direction: column; align-items: stretch; }
  .k-primarybtn { width: 100%; justify-content: center; }
  .k-primarymeta { text-align: center; }
  .k-formbtn { width: 100%; justify-content: center; }
}

/* ============================================================
   Footer
   ============================================================ */
.ftr { background: var(--ocki-bg-ink); color: var(--ocki-fg-on-deep); padding-block: clamp(1.25rem, 3vw, 1.75rem); }
.ftr-inner {
  width: 100%; max-width: var(--shell); margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  font-family: var(--ocki-font-mono); font-size: 0.75rem; letter-spacing: 0.02em;
}
.ftr-left, .ftr-right { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.ftr-left img { height: 1.125rem; width: auto; display: block; filter: invert(1); }
.ftr .muted { color: rgba(255,255,255,0.55); }
.ftr .sep { color: rgba(255,255,255,0.25); }
.ftr a { color: rgba(255,255,255,0.78); text-decoration: none; transition: color var(--ocki-dur-fast) var(--ocki-ease); }
.ftr a:hover { color: #fff; }

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal { opacity: 0; transform: translateY(0.875rem); transition: opacity 560ms var(--ocki-ease-out), transform 560ms var(--ocki-ease-out); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   Consent checkbox row (DSGVO)
   ============================================================ */
.consent-row {
  display: flex; align-items: flex-start; gap: 0.625rem;
  margin-top: 0.25rem;
}
.consent-row input[type="checkbox"] {
  flex-shrink: 0;
  width: 1rem; height: 1rem;
  margin: 0.1875rem 0 0;
  accent-color: var(--ocki-accent);
  cursor: pointer;
}
.consent-row label {
  font-family: var(--ocki-font-sans);
  font-size: 0.75rem; line-height: 1.5;
  color: var(--ocki-fg-dim);
  text-transform: none; letter-spacing: 0;
  cursor: pointer;
  margin: 0;
}
.consent-row label a {
  color: var(--ocki-fg); text-decoration: underline; text-underline-offset: 3px;
}
.consent-row label a:hover { color: var(--ocki-accent); }
.consent-row.is-error label { color: var(--ocki-danger); }
.consent-row.is-error input[type="checkbox"] { outline: 2px solid var(--ocki-danger); outline-offset: 2px; }