/* ============================================================
   styles.css — Layout & Komponenten
   Mobile-first. Nutzt Tokens aus tokens.css.
   ============================================================ */

/* ---------- Basis ---------- */
body {
  font-family: var(--font-body);
  font-size: var(--fs-400);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(255, 176, 46, 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 0%, rgba(255, 125, 41, 0.08), transparent 55%);
  background-attachment: fixed;
  background-repeat: no-repeat;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: var(--lh-tight);
  font-weight: 700;
  letter-spacing: -0.01em;
}

a {
  color: var(--color-accent);
  transition: color var(--dur-fast) var(--ease);
}
a:hover { color: var(--color-text); }

strong { color: var(--color-text); }

/* Globaler, gut sichtbarer Fokus-Ring */
:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout-Hilfen ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: var(--space-9);
}
.section:focus { outline: none; }

.section__head {
  margin-bottom: var(--space-7);
}
.section__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-200);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.section__title {
  font-size: var(--fs-700);
}
.section__intro {
  margin-top: var(--space-4);
  max-width: var(--maxw-text);
  color: var(--color-text-muted);
}

.text-muted { color: var(--color-text-muted); }
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* ---------- Skip-Link ---------- */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -200%;
  z-index: var(--z-overlay);
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus {
  top: var(--space-4);
  color: var(--color-accent-contrast);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-family: var(--font-display);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}
.btn--primary {
  background-image: var(--gradient-accent);
  color: var(--color-accent-contrast);
}
.btn--primary:hover { color: var(--color-accent-contrast); }
.btn--ghost {
  border-color: var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}
@media (prefers-reduced-motion: no-preference) {
  .btn:hover { transform: translateY(-2px); }
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: color-mix(in srgb, var(--color-bg) 80%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 64px;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-500);
  color: var(--color-text);
}
.nav__brand:hover { color: var(--color-text); }
.nav__logo { width: 32px; height: 32px; }

.nav__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease),
              opacity var(--dur-fast) var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.nav__link {
  display: block;
  padding: var(--space-3) var(--space-3);
  color: var(--color-text-muted);
  font-weight: 500;
  border-radius: var(--radius-sm);
}
.nav__link:hover { color: var(--color-text); background: var(--color-surface-2); }
.nav__link.is-active { color: var(--color-text); }
.nav__link.is-active::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: 4px;
  background-image: var(--gradient-accent);
  border-radius: 2px;
}

/* Mobiles Klappmenü */
.nav__menu-wrap {
  display: none;
  position: absolute;
  left: 0; right: 0;
  top: 100%;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-5);
}
.nav__menu-wrap.is-open { display: block; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  min-height: 92svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
/* Immersiver Verlaufs-Hintergrund (kein Bild nötig) */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 75% 20%, rgba(255, 176, 46, 0.32), transparent 60%),
    radial-gradient(55% 45% at 20% 80%, rgba(255, 125, 41, 0.26), transparent 60%),
    radial-gradient(40% 40% at 50% 50%, rgba(255, 200, 90, 0.10), transparent 70%);
  filter: saturate(1.1);
}
/* Feines Raster für "Tech"-Anmutung */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 40%, black, transparent 80%);
}
.hero__content { max-width: 60ch; }
.hero__kicker {
  display: inline-block;
  font-family: var(--font-display);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: var(--fs-200);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.hero__title {
  font-size: var(--fs-900);
  margin-bottom: var(--space-4);
}
.hero__title .accent {
  background-image: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__subtitle {
  font-size: var(--fs-500);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.hero__scroll {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-muted);
  font-size: var(--fs-200);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__bg { animation: drift 18s var(--ease) infinite alternate; }
  @keyframes drift {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(0, -2%, 0) scale(1.06); }
  }
  .hero__scroll { animation: bob 2.2s ease-in-out infinite; }
  @keyframes bob {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(6px); }
  }
}

/* ---------- Über mich ---------- */
.about__grid {
  display: grid;
  gap: var(--space-7);
}
.about__portrait-frame {
  position: relative;
  width: 100%;
  max-width: 360px;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
  perspective: 800px;
}
.about__portrait {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 70%; /* Bild höher im Rahmen (Gesicht steigt, weniger Bäume oben) */
  display: block;
}
.js .about__portrait-frame.parallax-on .about__portrait {
  transition: transform 0.15s ease-out;
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .about__portrait { transform: none !important; }
}
.about__lead {
  font-size: var(--fs-500);
  color: var(--color-text);
}
.about__text { max-width: var(--maxw-text); }
.about__text p + p { margin-top: var(--space-4); }
.about__facts {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}
.about__facts li {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
}
.about__facts dt, .about__facts .k {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--fs-200);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  min-width: 9ch;
}

/* ---------- Projekte: Filter + Grid ---------- */
.filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
  margin-bottom: var(--space-6);
}
.filter-btn {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: var(--fs-300);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease);
}
.filter-btn:hover { color: var(--color-text); border-color: var(--color-accent); }
.filter-btn[aria-pressed="true"] {
  color: var(--color-accent-contrast);
  background-image: var(--gradient-accent);
  border-color: transparent;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.project-card:hover { border-color: var(--color-accent); box-shadow: var(--shadow); }
@media (prefers-reduced-motion: no-preference) {
  .project-card:hover { transform: translateY(-4px); }
}
.project-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--color-surface-2);
}
.project-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.project-card__cats {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: flex;
  gap: var(--space-2);
}
.project-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
  flex: 1;
}
.project-card__title { font-size: var(--fs-600); }
.project-card__meta {
  font-size: var(--fs-300);
  color: var(--color-text-muted);
}
.project-card__summary {
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.project-card__link {
  margin-top: auto;
  padding-top: var(--space-4);
  color: var(--color-accent);
  font-weight: 600;
  font-family: var(--font-display);
}
.project-card__title { color: var(--color-text); }
.project-card:hover .project-card__title { color: var(--color-accent); }

/* Tags / Chips */
.tag {
  display: inline-block;
  font-size: var(--fs-200);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.tag--cat {
  background: color-mix(in srgb, var(--color-accent) 18%, var(--color-surface));
  color: var(--color-text);
  border-color: transparent;
  backdrop-filter: blur(4px);
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.empty-hint {
  color: var(--color-text-muted);
  padding: var(--space-6);
  text-align: center;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
}

/* ---------- Lebenslauf / Timeline ---------- */
.cv {
  display: grid;
  gap: var(--space-7);
}
.cv__col h3 {
  font-size: var(--fs-500);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.timeline__item {
  position: relative;
  padding-left: var(--space-6);
  padding-bottom: var(--space-6);
  border-left: 1px solid var(--color-border);
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -5px; top: 4px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background-image: var(--gradient-accent);
}
.timeline__when {
  font-family: var(--font-display);
  font-size: var(--fs-200);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.timeline__title { font-size: var(--fs-500); margin-top: var(--space-1); }
.timeline__org { color: var(--color-text-muted); }
.timeline__desc { color: var(--color-text-muted); margin-top: var(--space-2); }

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}
.cv__download { margin-top: var(--space-7); }

/* ---------- Kontakt ---------- */
.contact__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-7);
  display: grid;
  gap: var(--space-5);
}
.contact__lead { font-size: var(--fs-500); max-width: var(--maxw-text); }
.contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}
.contact__links a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}
.contact__links a:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-7);
  color: var(--color-text-muted);
  font-size: var(--fs-300);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
}
.site-footer nav {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.site-footer a:hover { color: var(--color-text); }

/* ============================================================
   Projekt-Detailseite (projekt.html)
   ============================================================ */
.detail {
  padding-block: var(--space-8) var(--space-9);
}
.detail__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-weight: 600;
}
.detail__header { margin-bottom: var(--space-7); }
.detail__title { font-size: var(--fs-700); margin-block: var(--space-3); }
.detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--fs-300);
}
.detail__meta .k {
  display: block;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--fs-200);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.detail__body { max-width: var(--maxw-text); }
.detail__body p + p { margin-top: var(--space-4); }

.detail__section-title {
  font-size: var(--fs-500);
  margin: var(--space-8) 0 var(--space-4);
}

.gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
.gallery__item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.gallery__item img { width: 100%; height: auto; }

/* YouTube-Fassade (Click-to-Load, kein Tracking beim Laden) */
.yt-facade {
  position: relative;
  aspect-ratio: 16 / 9;
  cursor: pointer;
  background: var(--color-surface-2);
  display: grid;
  place-items: center;
}
.yt-facade img { width: 100%; height: 100%; object-fit: cover; opacity: 0.7; }
.yt-facade__play {
  position: absolute;
  width: 72px; height: 72px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--color-bg) 50%, transparent);
  border: 2px solid var(--color-accent);
}
.yt-facade__play::after {
  content: "";
  width: 0; height: 0;
  border-style: solid;
  border-width: 12px 0 12px 20px;
  border-color: transparent transparent transparent var(--color-accent);
  margin-left: 4px;
}
.yt-facade iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}
.detail__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
  list-style: none;
  padding: 0;
}

/* ---------- Einfache Inhaltsseiten (Impressum/Datenschutz/404) ---------- */
.page {
  padding-block: var(--space-8) var(--space-9);
}
.page__content {
  max-width: var(--maxw-text);
}
.page__content h2 { font-size: var(--fs-500); margin-top: var(--space-7); margin-bottom: var(--space-3); }
.page__content p + p { margin-top: var(--space-4); }
.page__content p { color: var(--color-text-muted); }
.placeholder-note {
  margin-bottom: var(--space-6);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-surface));
  color: var(--color-text);
}
.notfound {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
}
.notfound__code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 18vw, 10rem);
  background-image: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

/* ---------- Scroll-Reveal ----------
   Nur aktiv, wenn JS läuft (html.js) UND keine Bewegungsreduktion gewünscht ist.
   Ohne JS bleibt der Inhalt sichtbar (kein opacity:0). */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }
  .js .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

/* ============================================================
   Breakpoints
   ============================================================ */
@media (min-width: 720px) {
  .about__grid {
    grid-template-columns: 320px 1fr;
    align-items: start;
  }
  .cv { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .gallery__item--wide { grid-column: 1 / -1; }
}

@media (min-width: 900px) {
  /* Desktop-Navigation: Menü inline, Toggle ausblenden */
  .nav__toggle { display: none; }
  .nav__menu-wrap {
    display: block;
    position: static;
    background: transparent;
    border: 0;
    padding: 0;
  }
  .nav__menu {
    flex-direction: row;
    align-items: center;
    gap: var(--space-2);
  }
  .nav__link { padding: var(--space-2) var(--space-3); }
}

/* Vollständige Bewegungs-Reduktion als Sicherheitsnetz */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}