/* ==========================================================
   NO | SO DA – Progressive / Melodic House
   Ein fotorealistisches HAL-Auge, Name, fünf Links,
   darunter Kontakt und Impressum.
   Keine externen Ressourcen (Schriften, CDNs) – DSGVO-freundlich.
   ========================================================== */

:root {
  color-scheme: dark;

  --bg: #030304;
  --text: #ece6df;
  --muted: #8a7f78;
  --sun: #ff5a1f;
  --amber: #ffb454;

  --eye: clamp(280px, 58vmin, 520px);

  --font-ui: "Helvetica Neue", "Segoe UI", "Inter", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

html {
  background:
    radial-gradient(ellipse 70% 46% at 50% 26%, #1b0806 0%, transparent 72%),
    var(--bg);
  background-repeat: no-repeat;
  background-attachment: fixed;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-ui);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
}

/* Filmkorn – gibt dem Verlauf Tiefe und verhindert Banding */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Foto im Hintergrund (dezent) ---------- */
/* Querformat: Das Gesicht sitzt links neben dem Auge, die dunkle
   Gesichtshälfte verschwindet hinter ihm. */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("foto.jpg");
  background-repeat: no-repeat;
  background-size: 118vh auto;
  background-position: calc(0% - 24vh) 22%;
  filter: grayscale(1) contrast(1.15) blur(1.5px);
  mix-blend-mode: screen;
  --photo-o: .1;
  opacity: var(--photo-o);
  -webkit-mask-image: radial-gradient(ellipse 85% 90% at 30% 42%, #000 35%, transparent 95%);
          mask-image: radial-gradient(ellipse 85% 90% at 30% 42%, #000 35%, transparent 95%);
  animation: photo-in 10s ease-out 4s both;
}

/* Hochformat (Handy, Tablet): Das Foto ist ein eigenes Quadrat mit weich auslaufender
   Maske. Es hängt am tatsächlichen Auge (--eye-cy setzt script.js), sodass die Augen
   des Gesichts knapp unter dem HAL-Auge liegen – egal wie hoch das Gerät ist. */
@media (max-aspect-ratio: 1/1) {
  .backdrop {
    --photo-o: .16;
    --s: clamp(500px, 118vw, 900px);                 /* Kantenlänge des Fotos */
    inset: auto;
    left: calc(50vw - var(--s) * .58);               /* Gesichtsmitte (58 %) auf die Seitenmitte */
    top: calc(var(--eye-cy, 36vh) + var(--eye) * .52 - var(--s) * .26);  /* Augenreihe (26 %) unter das HAL-Auge */
    width: var(--s);
    height: var(--s);
    background-size: 100% 100%;
    background-position: 0 0;
    -webkit-mask-image: radial-gradient(ellipse 44% 44% at 55% 46%, #000 30%, transparent 100%);
            mask-image: radial-gradient(ellipse 44% 44% at 55% 46%, #000 30%, transparent 100%);
  }
}

/* ---------- Aufbau ---------- */
.page {
  position: relative;
  z-index: 1;
  /* das weiche Umgebungslicht des Auges darf nicht über den Rand ragen */
  overflow: hidden;
  overflow: clip;
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3vh 16px 4.5rem;
  text-align: center;
}

/* ---------- Das Auge ---------- */
.eye {
  position: relative;
  width: var(--eye);
  aspect-ratio: 1;
  margin-bottom: calc(var(--eye) * -0.06);
  isolation: isolate;
}

/* Weiches rotes Umgebungslicht, das mit dem Auge „aufwacht" */
.eye::before {
  content: "";
  position: absolute;
  inset: -38%;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(circle,
    rgba(255, 45, 12, .30) 0,
    rgba(150, 18, 6, .16) 30%,
    transparent 62%);
  animation: wake-glow 4.5s ease-in .8s both;
}

.eye canvas {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}

/* CSS-Ersatz, solange WebGL nicht läuft (oder nicht verfügbar ist) */
.eye__fallback {
  position: absolute;
  inset: 7%;
  border-radius: 50%;
  border: 1px solid #2a2a2c;
  background:
    radial-gradient(circle at 50% 50%,
      #fff0c8 0, #ffb45a 4%, #ff5a1f 11%, #d4200e 26%,
      #5a0803 46%, #120202 58%, #000 60%);
  box-shadow: 0 0 0 10px #0c0c0d, 0 0 0 11px #26262a, 0 0 70px rgba(255, 40, 10, .35);
}

.eye--live .eye__fallback { display: none; }

/* ---------- Titel ---------- */
.tagline {
  margin-top: 1.4rem;
  font-size: .72rem;
  letter-spacing: .42em;
  text-indent: .42em;
  text-transform: uppercase;
  color: var(--muted);
  text-wrap: balance;
  animation: rise 2.6s ease-out 3.4s both;
}

.title {
  margin-top: 1rem;
  font-size: clamp(2.1rem, 8.4vw, 5rem);
  font-weight: 200;
  line-height: 1.1;
  letter-spacing: .3em;
  text-indent: .3em;
  text-transform: uppercase;
  white-space: nowrap;
  animation: rise 2.8s ease-out 3s both;
}

.title span { font-weight: 300; }

.title .bar {
  display: inline-block;
  margin: 0 .16em;
  font-style: normal;
  font-weight: 100;
  color: var(--sun);
  text-shadow: 0 0 22px rgba(255, 90, 31, .8);
}

/* ---------- Links ---------- */
.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .2rem clamp(1.2rem, 4vw, 2.8rem);
  margin: clamp(1.4rem, 4vh, 2.4rem) auto 0;
  animation: rise 3s ease-out 4.4s both;
}

/* Auf schmalen Bildschirmen 2 + 2 statt 3 + 1 */
@media (max-width: 760px) {
  .links { max-width: 20rem; }
}

.links a {
  position: relative;
  padding: .7rem .2rem;
  font-size: .74rem;
  letter-spacing: .3em;
  text-indent: .3em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  transition: color .4s;
}

.links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: .35rem;
  width: 0;
  height: 1px;
  background: var(--sun);
  box-shadow: 0 0 8px var(--sun);
  transform: translateX(-50%);
  transition: width .45s ease;
}

.links a:hover,
.links a:focus-visible { color: var(--text); }

.links a:hover::after,
.links a:focus-visible::after { width: 60%; }

.links a:focus-visible { outline: 1px solid var(--amber); outline-offset: 4px; }

/* Hinweis zum Weiterscrollen */
.cue {
  position: absolute;
  left: 50%;
  bottom: 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .7rem;
  padding: .4rem .6rem;
  font-size: .62rem;
  letter-spacing: .4em;
  text-indent: .4em;
  text-transform: uppercase;
  text-decoration: none;
  color: #6b6058;
  transform: translateX(-50%);
  transition: color .4s;
  animation: rise-x 3s ease-out 5.4s both;
}

.cue::after {
  content: "";
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, var(--sun), transparent);
  animation: cue 2.6s ease-in-out infinite;
}

.cue:hover,
.cue:focus-visible { color: var(--text); }

.cue:focus-visible { outline: 1px solid var(--amber); outline-offset: 4px; }

/* ---------- Abschnitte: Kontakt & Impressum ---------- */
.section {
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: clamp(3.5rem, 10vh, 6rem) 20px clamp(1.5rem, 5vh, 3rem);
  text-align: center;
}

/* feine Trennlinie über jedem Abschnitt */
.section::before {
  content: "";
  display: block;
  width: min(100%, 24rem);
  height: 1px;
  margin: 0 auto clamp(2.5rem, 7vh, 4rem);
  background: linear-gradient(90deg,
    transparent, rgba(255, 90, 31, .55), transparent);
}

.section__h {
  font-size: .8rem;
  font-weight: 300;
  letter-spacing: .42em;
  text-indent: .42em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  margin-top: 1.6rem;
  font-size: clamp(1.1rem, 3.6vw, 1.45rem);
  font-weight: 200;
  letter-spacing: .06em;
  color: var(--text);
}

.mail-wrap { margin-top: 1.6rem; }

.mail {
  position: relative;
  display: inline-block;
  padding: .4rem .2rem;
  font-size: clamp(1.15rem, 4.6vw, 1.9rem);
  font-weight: 300;
  letter-spacing: .08em;
  color: var(--text);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.mail::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 30%;
  height: 1px;
  background: var(--sun);
  box-shadow: 0 0 8px var(--sun);
  transform: translateX(-50%);
  transition: width .5s ease;
}

.mail:hover::after,
.mail:focus-visible::after { width: 100%; }

.mail:focus-visible { outline: 1px solid var(--amber); outline-offset: 4px; }

/* Die Adresse ist ein Bild (robotersicher) */
.mail img {
  display: block;
  height: 1.7em;
  width: auto;
  max-width: 100%;
}

.hint {
  margin-top: .8rem;
  font-size: .72rem;
  letter-spacing: .14em;
  color: #6b6058;
}

/* E-Mail im Impressum: Bild in Fließtext-Größe */
.mail--small {
  display: inline-block;
  vertical-align: -.33em;
  padding: 0;
  border-bottom: 1px solid rgba(255, 90, 31, .6);
}

.mail--small img {
  display: block;
  height: 1.1em;
}

.mail--small::after { display: none; }

.legal {
  margin: 2.2rem auto 0;
  max-width: 34rem;
  text-align: left;
  font-size: .92rem;
  line-height: 1.75;
  color: #b3a9a0;
}

.legal h3 {
  margin: 1.9rem 0 .4rem;
  font-size: .68rem;
  font-weight: 400;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted);
}

.legal h3:first-child { margin-top: 0; }

.legal p + p { margin-top: .6rem; }

/* normaler Textlink im Rechtstext */
.legal a.plain {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(255, 90, 31, .6);
  text-underline-offset: .2em;
}

.legal a.plain:hover,
.legal a.plain:focus-visible { text-decoration-color: var(--sun); }

.legal a.plain:focus-visible { outline: 1px solid var(--amber); outline-offset: 3px; }

/* Platzhalter, die noch ausgefüllt werden müssen */
.todo {
  color: var(--amber);
  border-bottom: 1px dotted var(--amber);
}

/* ---------- Footer ---------- */
.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: .6rem 1.5rem;
  margin-top: clamp(2rem, 6vh, 4rem);
  padding: 1.6rem 16px 1.4rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  color: #5c534d;
  animation: rise 3s ease-out 5s both;
}

.footer__nav { display: flex; flex-wrap: wrap; gap: .2rem 1.4rem; }

.footer__nav a {
  padding: .3rem 0;
  color: #8a7f78;
  text-decoration: none;
  transition: color .3s;
}

.footer__nav a:hover,
.footer__nav a:focus-visible { color: var(--text); }

.footer__nav a:focus-visible { outline: 1px solid var(--amber); outline-offset: 3px; }

.footer__status i {
  display: inline-block;
  width: .5em;
  height: .5em;
  margin-right: .6em;
  border-radius: 50%;
  background: var(--sun);
  box-shadow: 0 0 8px var(--sun);
  animation: breathe 4s ease-in-out infinite;
}

/* ---------- Einblenden beim Scrollen ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  filter: blur(4px);
  transition: opacity 1.3s ease, transform 1.3s ease, filter 1.3s ease;
}

.js .reveal.in {
  opacity: 1;
  transform: none;
  filter: none;
}

/* ---------- Animationen ---------- */
@keyframes wake-glow { from { opacity: 0; } to { opacity: 1; } }

@keyframes photo-in { from { opacity: 0; } to { opacity: var(--photo-o); } }

@keyframes breathe {
  0%, 100% { filter: brightness(.9); }
  50%      { filter: brightness(1.12); }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: blur(0); }
}

/* wie „rise", aber mit der Zentrierung des Scroll-Hinweises */
@keyframes rise-x {
  from { opacity: 0; transform: translate(-50%, 10px); filter: blur(6px); }
  to   { opacity: 1; transform: translateX(-50%); filter: blur(0); }
}

@keyframes cue {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Bewegung reduzieren, wenn vom System gewünscht */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
    filter: none;
  }
}