/* OGNOTO · die Spur. Ein Protokoll auf Papier, in der Handschrift der Familie. */

.spur-body {
  --spur-paper: #ffffff;
  --spur-tint: #f2f1ea;
  --spur-text: var(--heading);
  --spur-muted: var(--muted);
  --spur-line: var(--line);
  --spur-green: var(--otongo-turquoise);
  --spur-red: var(--otongo-pappnase);
  --spur-mono: var(--font-mono);
}

.spur {
  margin: 0 auto;
  max-width: 82rem;
  padding: clamp(2.6rem, 5vw, 4.6rem) 1.25rem 0;
}

.spur-head {
  align-items: start;
  display: grid;
  gap: 2rem 3.2rem;
  grid-template-columns: minmax(0, 1.55fr) minmax(15rem, .45fr);
}
.spur-intro { max-width: 58rem; }
.spur-seal { grid-column: 1 / -1; }

.spur-kicker {
  align-items: center;
  color: var(--spur-red);
  display: flex;
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 400;
  gap: .55rem;
  letter-spacing: .17em;
  line-height: 1.2;
  margin: 0 0 1.3rem;
  text-transform: uppercase;
}
.kicker-mark { background: var(--spur-red); border-radius: 50%; height: .42rem; width: .42rem; }

.spur-head h1,
.spur-head .spur-title {
  color: var(--heading);
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: 1.02;
  margin: 0;
  max-width: 18ch;
}
.spur-head h1 em,
.spur-head .spur-title em {
  color: var(--spur-red);
  font-style: normal;
  white-space: nowrap;
}

.spur-lede {
  color: var(--spur-muted);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  line-height: 1.65;
  margin: 1.6rem 0 0;
  max-width: 46rem;
}

/* Wie man das prüft */

.spur-howto {
  background: var(--spur-paper);
  border: 1px solid var(--spur-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem 1.4rem;
}
.howto-label {
  color: var(--spur-red);
  font-family: var(--font-display);
  font-size: .74rem;
  letter-spacing: .16em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}
.spur-howto ol {
  counter-reset: howto;
  list-style: none;
  margin: 0;
  padding: 0;
}
.spur-howto li {
  color: var(--spur-muted);
  counter-increment: howto;
  font-size: .89rem;
  line-height: 1.55;
  margin-bottom: .85rem;
  padding-left: 1.9rem;
  position: relative;
}
.spur-howto li:last-child { margin-bottom: 0; }
.spur-howto li::before {
  color: var(--spur-red);
  content: counter(howto, decimal-leading-zero);
  font: 700 .62rem/1.7 var(--spur-mono);
  left: 0;
  position: absolute;
  top: .08rem;
}
.spur-howto strong { color: var(--heading); font-weight: 700; }
.spur-howto a { color: var(--heading); text-decoration-color: rgba(42, 157, 143, .6); }

/* Siegel */

.spur-seal {
  background: var(--spur-paper);
  border: 1px solid var(--spur-line);
  border-radius: 1.35rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 1.2rem 2rem;
  grid-template-columns: 7rem minmax(0, 1fr) 12rem;
  margin-top: 2.6rem;
  padding: 1.5rem 1.6rem 1.4rem;
  position: relative;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.spur-seal::before {
  background: var(--spur-green);
  border-radius: 1.35rem 0 0 1.35rem;
  content: "";
  inset: 0 auto 0 0;
  position: absolute;
  width: 5px;
}
.spur-seal.is-ok { border-color: rgba(42, 157, 143, .5); }
.spur-seal.is-bad { border-color: rgba(211, 47, 47, .5); }
.spur-seal.is-bad::before { background: var(--spur-red); }

.seal-fact { display: flex; flex-direction: column; gap: .3rem; min-width: 0; }
.seal-label {
  color: var(--spur-muted);
  font-family: var(--font-display);
  font-size: .66rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.seal-fact strong { color: var(--heading); font-size: 1.05rem; font-weight: 700; }
.seal-fact code {
  background: none;
  color: var(--heading);
  font: 400 .69rem/1.55 var(--spur-mono);
  overflow-wrap: anywhere;
  padding: 0;
}

.seal-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 1.2rem;
  grid-column: 1 / -1;
  margin-top: .2rem;
}
.spur-button {
  background: var(--otongo-petrol);
  border: 1.5px solid var(--otongo-petrol);
  border-radius: 999px;
  color: #fff;
  cursor: pointer;
  font: 700 .88rem/1.2 var(--font-body);
  padding: .68rem 1.15rem;
  transition: background .15s ease, transform .15s ease;
}
.spur-button:hover { background: #1b3641; transform: translateY(-1px); }
.seal-link {
  color: var(--spur-muted) !important;
  font-size: .85rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 157, 143, .4);
}
.seal-link:hover { color: var(--heading) !important; border-bottom-color: var(--spur-green); }

.spur-check-out {
  color: var(--spur-muted);
  flex-basis: 100%;
  font: 400 .8rem/1.55 var(--spur-mono);
  grid-column: 1 / -1;
  margin: 0;
}
.spur-seal.is-ok .spur-check-out { color: #1d7a70; }
.spur-seal.is-bad .spur-check-out { color: var(--spur-red); }

/* Der Stempel: erscheint nur, wenn gerechnet wurde. */
.seal-stamp {
  border: 2px solid currentColor;
  border-radius: .35rem;
  color: var(--spur-green);
  display: none;
  font-family: var(--font-display);
  font-size: .82rem;
  letter-spacing: .18em;
  line-height: 1;
  padding: .55rem .7rem;
  pointer-events: none;
  position: absolute;
  right: 1.5rem;
  text-transform: uppercase;
  top: -.95rem;
  transform: rotate(-4deg);
}
.spur-seal.is-ok .seal-stamp { color: var(--spur-green); display: block; }
.spur-seal.is-bad .seal-stamp { color: var(--spur-red); display: block; }

/* Das Log als Papierregister */

.spur-log { margin-top: clamp(2.8rem, 5vw, 4.6rem); }

.spur-log-head {
  align-items: baseline;
  border-bottom: 2px solid var(--heading);
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  justify-content: space-between;
  padding-bottom: .7rem;
}
.spur-log-head h2 {
  color: var(--heading);
  font-family: var(--font-display);
  font-size: .88rem;
  letter-spacing: .14em;
  margin: 0;
  text-transform: uppercase;
}
.spur-log-head p {
  color: var(--spur-muted);
  font: 400 .74rem/1.4 var(--spur-mono);
  letter-spacing: .03em;
  margin: 0;
}

.spur-list { list-style: none; margin: 0; padding: 0; position: relative; }

.spur-entry {
  align-items: start;
  border-bottom: 1px solid var(--spur-line);
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 8rem minmax(0, 1fr) 6rem;
  padding: 1.55rem .5rem 1.55rem 0;
  position: relative;
  transition: background .18s ease;
}
.spur-entry:hover { background: rgba(42, 157, 143, .045); }

.entry-rail { display: flex; flex-direction: column; gap: .5rem; }
.entry-rail time {
  color: var(--spur-muted);
  font: 400 .74rem/1 var(--spur-mono);
  letter-spacing: .04em;
}
.entry-kind {
  align-self: flex-start;
  border: 1.5px solid currentColor;
  border-radius: .25rem;
  font: 700 .58rem/1 var(--spur-mono);
  letter-spacing: .12em;
  padding: .25rem .4rem;
}
.kind-bau { color: #1d7a70; }
.kind-messung { color: var(--otongo-petrol); }
.kind-antwort { color: #1d7a70; }
.kind-bruch, .kind-fehlschlag { border-style: dashed; color: var(--spur-red); }
.kind-entscheidung { color: var(--spur-muted); }

.entry-main h2 {
  font-size: clamp(1.15rem, 1.9vw, 1.42rem);
  letter-spacing: -.015em;
  line-height: 1.25;
  margin: 0 0 .4rem;
}
.entry-main h2 a { color: var(--heading); text-decoration: none; }
.entry-main h2 a:hover { color: var(--spur-red); }
.entry-main p {
  color: var(--spur-muted);
  font-size: .95rem;
  line-height: 1.6;
  margin: 0;
  max-width: 64ch;
}

.entry-hash {
  background: var(--spur-tint);
  border-radius: .3rem;
  color: var(--spur-muted);
  font: 400 .68rem/1 var(--spur-mono);
  justify-self: end;
  letter-spacing: .03em;
  padding: .35rem .45rem;
}
.spur-entry:hover .entry-hash { background: rgba(42, 157, 143, .12); color: #1d7a70; }

/* Drei Türen */

.spur-doors {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: clamp(2.8rem, 5vw, 4.4rem) 0 0;
}
.spur-door {
  background: var(--spur-paper);
  border: 1px solid var(--spur-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--heading) !important;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  min-height: 11rem;
  padding: 1.4rem 1.5rem;
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease;
}
.spur-door:hover { border-color: rgba(42, 157, 143, .55); transform: translateY(-3px); }
.door-label {
  color: var(--spur-red);
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.spur-door strong { font-size: 1.06rem; font-weight: 700; letter-spacing: -.01em; line-height: 1.3; }
.door-more {
  color: var(--spur-muted);
  font: 400 .74rem/1.5 var(--spur-mono);
  margin-top: auto;
}

/* Fuß: die Familienfarbe */

.spur-foot {
  background: var(--otongo-petrol);
  color: rgba(250, 250, 247, .72);
  font-size: .82rem;
  margin: clamp(3rem, 6vw, 5rem) 0 0;
  padding: 2.2rem 0 2.6rem;
}
.spur-foot > * { margin-left: auto; margin-right: auto; max-width: 82rem; padding-left: 1.25rem; padding-right: 1.25rem; }
.spur-foot p { margin-bottom: .9rem; }
.spur-foot .foot-family { color: rgba(250, 250, 247, .9); margin-bottom: 1rem; }
.spur-foot .foot-family a { color: #fff; text-decoration-color: rgba(255, 255, 255, .45); }
.spur-foot nav { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; }
.spur-foot a { color: rgba(250, 250, 247, .74); text-decoration: none; }
.spur-foot a:hover { color: #fff; text-decoration: underline; text-decoration-color: var(--otongo-turquoise); }

/* Klo: die Eröffnungsszene */

.klo {
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(42, 157, 143, .22), transparent 58%),
    linear-gradient(158deg, #101f24 0%, #0b161a 58%, #0c191d 100%);
  border-radius: 1.7rem;
  box-shadow: 0 40px 80px -60px rgba(11, 26, 30, .95), inset 0 1px 0 rgba(250, 250, 247, .06);
  color: rgba(250, 250, 247, .74);
  display: grid;
  gap: clamp(1.6rem, 4vw, 3.4rem);
  grid-template-columns: minmax(0, 1.1fr) minmax(14rem, .9fr);
  margin-bottom: clamp(2.6rem, 5vw, 4.4rem);
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 3.2rem);
  position: relative;
}
.klo::before {
  background: radial-gradient(circle, rgba(127, 227, 210, .16), transparent 68%);
  content: "";
  height: 22rem;
  pointer-events: none;
  position: absolute;
  right: -6rem;
  top: -7rem;
  width: 22rem;
}
.klo-copy { align-self: center; max-width: 40rem; position: relative; }

.klo-kicker {
  align-items: center; color: #7fe3d2; display: flex; gap: .55rem;
  font-family: var(--font-display); font-size: .74rem; letter-spacing: .16em;
  line-height: 1.3; margin: 0 0 1.1rem; text-transform: uppercase;
}
.klo-mark {
  background: var(--spur-red); border-radius: 50%;
  box-shadow: 0 0 0 .22rem rgba(211, 47, 47, .18);
  height: .42rem; width: .42rem;
}

.klo h1 {
  color: #f7f6ef;
  font-size: clamp(2.1rem, 4.4vw, 3.5rem);
  letter-spacing: -.035em;
  line-height: 1.03;
  margin: 0;
  max-width: 20ch;
}
.klo h1 em { color: #7fe3d2; font-style: normal; }

.klo-lede {
  color: rgba(250, 250, 247, .68);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.68;
  margin: 1.25rem 0 0;
  max-width: 44ch;
}

.klo-facts {
  border-top: 1px solid rgba(250, 250, 247, .12);
  display: grid; gap: .5rem; list-style: none;
  margin: 1.7rem 0 0; padding: 1.05rem 0 0;
}
.klo-facts li {
  align-items: baseline; display: flex; flex-wrap: wrap; gap: .2rem .8rem;
  font: 400 .7rem/1.5 var(--spur-mono); letter-spacing: .13em; text-transform: uppercase;
}
.klo-facts span { color: rgba(250, 250, 247, .5); min-width: 5.2rem; }
.klo-facts b {
  color: rgba(250, 250, 247, .88); font: 600 .82rem/1.5 var(--font-body);
  letter-spacing: .01em; text-transform: none;
}

.klo-go {
  align-items: center; background: #7fe3d2; border-radius: 999px;
  color: #0a1518 !important;
  display: inline-flex; font: 700 .88rem/1.2 var(--font-body); gap: .5rem;
  margin-top: 1.6rem; padding: .7rem 1.15rem; text-decoration: none;
  transition: background .16s ease, transform .16s ease;
}
.klo-go:hover { background: #a5f0e3; transform: translateY(-1px); }
.klo-note {
  color: rgba(250, 250, 247, .56); font: 400 .74rem/1.6 var(--spur-mono);
  letter-spacing: .02em; margin: .95rem 0 0;
}

.klo-plan { align-self: center; margin: 0; position: relative; }
.klo-plan svg { display: block; height: auto; width: 100%; }
.klo-plan figcaption {
  color: rgba(250, 250, 247, .38); font: 400 .68rem/1.5 var(--spur-mono);
  letter-spacing: .03em; margin-top: .6rem;
}
.klo-plan-label {
  fill: rgba(250, 250, 247, .46);
  font-family: var(--spur-mono); font-size: 9px; letter-spacing: .12em;
}
.klo-led, .klo-led-halo { animation: klo-blink 3.4s ease-in-out infinite; }
@keyframes klo-blink {
  0%, 88%, 100% { opacity: 1; }
  91% { opacity: .22; }
  94% { opacity: 1; }
}

@media (max-width: 1000px) {
  .spur-head { grid-template-columns: minmax(0, 1fr); }
  .spur-howto { max-width: 40rem; }
}
@media (max-width: 900px) {
  .klo { grid-template-columns: minmax(0, 1fr); }
  .klo-plan { max-width: 24rem; }
  .spur-seal { grid-template-columns: 1fr 1fr; }
  .seal-fact-wide { grid-column: 1 / -1; }
  .spur-doors { grid-template-columns: 1fr; }
  .spur-door { min-height: 0; }
}
@media (max-width: 700px) {
  .spur { padding-top: 2.2rem; }
  .spur-entry { gap: .5rem 1rem; grid-template-columns: minmax(0, 1fr) auto; padding: 1.3rem .2rem; }
  .entry-rail { align-items: center; flex-direction: row; gap: .65rem; grid-column: 1 / -1; }
  .entry-hash { font-size: .62rem; }
  .spur-head h1 em, .spur-head .spur-title em { white-space: normal; }
  .klo { border-radius: 1.2rem; padding: 1.35rem 1.2rem 1.6rem; }
  .klo h1 { max-width: none; }
  .klo-facts span { min-width: 4.4rem; }
  .spur-seal { padding: 1.2rem 1.1rem; }
  .seal-stamp { right: .9rem; top: -.8rem; font-size: .68rem; }
}
@media (prefers-reduced-motion: reduce) {
  .spur-door, .spur-button, .spur-entry, .klo-go { transition: none; }
  .klo-led, .klo-led-halo { animation: none; }
  .spur-door:hover, .spur-button:hover { transform: none; }
}