/* Portfolio — Nachtschwarz + Violett-Glas. Alle Akzentfarben laufen über die Variablen. */
:root {
  --bg: #0b0b12;
  --ink: #f4f1ff;
  --muted: #a29fb8;
  --faint: #6f6c86;
  --a-rgb: 139 92 246;
  --violet-200: #ddd6fe;
  --violet-300: #c4b5fd;
  --violet-400: #a78bfa;
  --violet-500: #8b5cf6;
  --violet-600: #7c3aed;
  --line: rgba(255, 255, 255, 0.09);
  --glass-fill: linear-gradient(150deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03) 45%, rgba(255, 255, 255, 0.05));
  --glass-blur: blur(22px) saturate(160%);
  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Figtree', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--violet-400); outline-offset: 3px; border-radius: 8px; }

/* ---------- Hintergrund ---------- */
/* Zwei S/W-Fotos, per Scroll ineinander überblendet; --p (0–1) setzt app.js */
.bg-photos { --p: 0; position: fixed; inset: 0; z-index: -4; overflow: hidden; pointer-events: none; background: var(--bg); }
.bg-photo { position: absolute; inset: -3%; background-size: cover; background-repeat: no-repeat; filter: grayscale(1) contrast(1.08) brightness(0.85); will-change: opacity; }
.bg-photo-1 { background-image: url('img/bg-1.webp'); background-position: 50% 32%; opacity: calc(0.5 * (1 - var(--p))); }
.bg-photo-2 { background-image: url('img/bg-2.webp'); background-position: 46% 35%; opacity: calc(0.5 * var(--p)); }
.bg-photos::after { /* Violett-Tönung + dunkler Verlauf, damit Text lesbar bleibt */
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 11, 18, 0.55), rgba(11, 11, 18, 0.15) 40%, rgba(11, 11, 18, 0.7)),
    radial-gradient(120% 90% at 70% 30%, rgb(var(--a-rgb) / 0.22), transparent 70%);
  mix-blend-mode: normal;
}
@media (max-width: 700px) {
  .bg-photo-1 { background-image: url('img/bg-1-m.webp'); background-position: 52% 30%; }
  .bg-photo-2 { background-image: url('img/bg-2-m.webp'); background-position: 46% 35%; }
}

.aurora { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.aurora i {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.55;
  animation: drift 26s ease-in-out infinite alternate;
}
.aurora i:nth-child(1) { width: 52vmax; height: 52vmax; left: -14vmax; top: -18vmax; background: radial-gradient(circle, rgba(124, 58, 237, 0.75), transparent 68%); }
.aurora i:nth-child(2) { width: 44vmax; height: 44vmax; right: -12vmax; top: 22vh; background: radial-gradient(circle, rgba(167, 139, 250, 0.5), transparent 68%); animation-duration: 32s; animation-delay: -8s; }
.aurora i:nth-child(3) { width: 40vmax; height: 40vmax; left: 20vw; bottom: -22vmax; background: radial-gradient(circle, rgba(91, 33, 182, 0.7), transparent 68%); animation-duration: 38s; animation-delay: -15s; }
@keyframes drift { to { transform: translate3d(6vmax, 4vmax, 0) scale(1.12); } }

.grid-bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 20%, transparent 75%);
}

/* ---------- Glas ---------- */
.glass {
  background: var(--glass-fill);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 24px 60px -24px rgba(0, 0, 0, 0.7);
}

/* ---------- Navigation ---------- */
.nav-wrap { position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; justify-content: center; padding: 16px 16px 0; pointer-events: none; }
.nav { pointer-events: auto; background-color: rgba(11, 11, 18, 0.62); display: flex; align-items: center; gap: 8px; padding: 8px 10px 8px 8px; border-radius: 999px; }
.brand { display: flex; align-items: center; gap: 10px; padding-right: 10px; font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }
.brand-mark {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--violet-400), var(--violet-600));
  color: #fff; font-size: 15px; box-shadow: 0 0 18px rgb(var(--a-rgb) / 0.55);
}
.nav-links { display: flex; gap: 2px; }
.nav-links a { padding: 8px 14px; border-radius: 999px; font-size: 15px; color: var(--muted); transition: color 0.25s, background 0.25s; }
.nav-links a:hover { color: #fff; background: rgb(var(--a-rgb) / 0.22); }

/* ---------- Hero ---------- */
.hero { min-height: 100svh; display: grid; align-items: center; padding: 130px 24px 80px; }
.hero-inner { width: min(880px, 100%); margin: 0 auto; }
.eyebrow { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--violet-300); }
.hero-title { margin-top: 14px; font-family: var(--font-display); font-weight: 800; font-size: clamp(2.6rem, 8.4vw, 5.6rem); line-height: 1.02; letter-spacing: -0.035em; }
.grad { background: linear-gradient(120deg, var(--violet-200), var(--violet-400) 45%, var(--violet-600)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { margin-top: 22px; max-width: 34em; font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: var(--muted); }

.terminal { margin-top: 44px; max-width: 560px; border-radius: 18px; overflow: hidden; transform: perspective(1200px) rotateX(var(--trx, 0deg)) rotateY(var(--try, 0deg)); will-change: transform; }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 11px 16px; border-bottom: 1px solid var(--line); font-family: var(--font-mono); font-size: 12px; color: var(--faint); }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.16); }
.term-bar span { margin-left: 8px; }
.term-body { margin: 0; padding: 18px 20px 20px; min-height: 148px; font-family: var(--font-mono); font-size: 14.5px; line-height: 1.75; color: var(--ink); white-space: pre-wrap; }
.term-body .p { color: var(--violet-400); }
.term-body .out { color: var(--muted); }
.term-body a { color: var(--violet-200); border-bottom: 1px dashed rgb(var(--a-rgb) / 0.6); }
.term-body a:hover { color: #fff; }
.caret { display: inline-block; width: 7px; height: 1.05em; margin-left: 2px; vertical-align: -0.16em; background: var(--violet-400); animation: blink 1.05s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Abschnitte ---------- */
.projects, .contact { width: min(1180px, 100%); margin: 0 auto; padding: 60px 24px; }
.section-head h2, .contact-card h2 { margin-top: 10px; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.9rem, 4.6vw, 3rem); line-height: 1.1; letter-spacing: -0.03em; }
.lede { margin-top: 14px; max-width: 38em; color: var(--muted); }

.group { margin-top: 72px; scroll-margin-top: 90px; }
.group-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 24px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.group-head h3 { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.4rem, 3vw, 1.9rem); letter-spacing: -0.02em; }
.group-head p { color: var(--muted); text-shadow: 0 1px 12px rgba(11, 11, 18, 0.9); font-size: 15px; }
.count { display: inline-grid; place-items: center; min-width: 28px; height: 26px; padding: 0 9px; border-radius: 999px; background: rgb(var(--a-rgb) / 0.18); border: 1px solid rgb(var(--a-rgb) / 0.4); color: var(--violet-200); font-family: var(--font-mono); font-size: 12.5px; font-weight: 500; letter-spacing: 0; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; margin-top: 28px; }

/* ---------- Karten ---------- */
.card {
  --h: 268; --mx: 50%; --my: 0%;
  position: relative; display: flex; flex-direction: column; border-radius: 22px; overflow: hidden;
  transition: transform 0.55s var(--ease), border-color 0.3s, box-shadow 0.45s var(--ease);
}
.card::before {
  content: ''; position: absolute; inset: 0; z-index: 2; pointer-events: none; opacity: 0; transition: opacity 0.35s;
  background: radial-gradient(360px circle at var(--mx) var(--my), hsl(var(--h) 90% 70% / 0.16), transparent 60%);
}
.card:hover { transform: translateY(-6px); border-color: hsl(var(--h) 80% 70% / 0.45); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 32px 70px -24px hsl(var(--h) 90% 55% / 0.5); }
.card:hover::before { opacity: 1; }

.cover { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: radial-gradient(120% 90% at 20% 0%, hsl(var(--h) 75% 34% / 0.75), hsl(var(--h) 60% 10% / 0.9)); }
.mock { position: absolute; inset: 14% 10% -6%; border-radius: 12px 12px 0 0; background: rgba(9, 8, 18, 0.82); border: 1px solid rgba(255, 255, 255, 0.14); box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.6); transition: transform 0.6s var(--ease); overflow: hidden; }
.card:hover .mock { transform: translateY(-5px) scale(1.02); }
.mock-bar { display: flex; gap: 5px; padding: 8px 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.mock-bar i { width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, 0.2); }
.mock-bar i:first-child { background: hsl(var(--h) 90% 68%); }
.m-line { display: block; height: 7px; border-radius: 4px; background: rgba(255, 255, 255, 0.14); }
.m-accent { background: hsl(var(--h) 85% 66% / 0.9); }
/* Webseite: Hero-Layout */
.mock-site .mock-body { padding: 14px 16px; display: grid; gap: 9px; }
.mock-site .m-title { height: 14px; width: 62%; background: rgba(255, 255, 255, 0.85); }
.mock-site .m-btn { width: 28%; height: 16px; border-radius: 999px; margin-top: 6px; }
.mock-site .m-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; }
.mock-site .m-tile { height: 46px; border-radius: 8px; background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.08); }
/* Web-App: Sidebar + Kacheln */
.mock-app .mock-body { display: grid; grid-template-columns: 26% 1fr; height: 100%; }
.mock-app .m-side { display: grid; align-content: start; gap: 8px; padding: 12px 10px; border-right: 1px solid rgba(255, 255, 255, 0.08); }
.mock-app .m-side .m-line:first-child { background: hsl(var(--h) 85% 66% / 0.85); }
.mock-app .m-main { padding: 12px; display: grid; gap: 9px; align-content: start; }
.mock-app .m-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.mock-app .m-tile { height: 30px; border-radius: 7px; background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.08); }
.mock-app svg { width: 100%; height: 44px; }
/* Echter Screenshot im Mockup-Fenster (Feld "image"): Rahmen bleibt, Inhalt wird der Screenshot */
.mock-photo { display: flex; flex-direction: column; }
.mock-photo .mock-shot { flex: 1; min-height: 0; width: 100%; object-fit: cover; object-position: 50% 0%; display: block; }
.cover-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.card-body { display: flex; flex: 1; flex-direction: column; gap: 10px; padding: 20px 22px 22px; }
.card-meta { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: hsl(var(--h) 90% 78%); }
.card h4 { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 1.32rem; letter-spacing: -0.02em; line-height: 1.2; }
.card-desc { color: var(--muted); font-size: 15.5px; }
.stack { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.stack li { padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04); color: var(--muted); font-family: var(--font-mono); font-size: 11.5px; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 14.5px; }
.visit { font-weight: 600; color: var(--ink); }
.visit::after { content: ''; position: absolute; inset: 0; z-index: 1; } /* ganze Karte klickbar */
.visit span { display: inline-block; transition: transform 0.3s var(--ease); }
.card:hover .visit span { transform: translate(3px, -3px); }
.repo { position: relative; z-index: 3; color: var(--faint); transition: color 0.25s; }
.repo:hover { color: var(--violet-200); }

/* ---------- Leerer Zustand ---------- */
.empty { grid-column: 1 / -1; display: grid; justify-items: start; gap: 8px; padding: 34px 30px; border-radius: 22px; border: 1.5px dashed rgb(var(--a-rgb) / 0.35); background: rgb(var(--a-rgb) / 0.05); }
.empty strong { font-family: var(--font-display); font-size: 1.2rem; letter-spacing: -0.01em; }
.empty span { color: var(--muted); font-size: 15.5px; }
.empty code { font-family: var(--font-mono); font-size: 13.5px; color: var(--violet-300); }

/* ---------- Kontakt ---------- */
.contact { padding-bottom: 100px; }
.contact-card { padding: clamp(28px, 5vw, 56px); border-radius: 28px; position: relative; overflow: hidden; }
.contact-card::after { content: ''; position: absolute; width: 380px; height: 380px; right: -120px; top: -160px; border-radius: 50%; background: radial-gradient(circle, rgb(var(--a-rgb) / 0.45), transparent 68%); pointer-events: none; }
.contact-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; position: relative; z-index: 1; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 15.5px; border: 1px solid var(--line); transition: transform 0.3s var(--ease), background 0.3s, box-shadow 0.3s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--violet-500), var(--violet-600)); border-color: transparent; color: #fff; box-shadow: 0 10px 30px -10px rgb(var(--a-rgb) / 0.8); }
.btn-primary:hover { box-shadow: 0 14px 38px -8px rgb(var(--a-rgb) / 0.95); }
.btn-ghost { background: rgba(255, 255, 255, 0.05); }
.btn-ghost:hover { background: rgb(var(--a-rgb) / 0.2); }

.footer { display: flex; justify-content: space-between; gap: 16px; width: min(1180px, 100%); margin: 0 auto; padding: 26px 24px 40px; border-top: 1px solid var(--line); color: var(--faint); font-size: 14.5px; }
.footer a:hover { color: var(--violet-200); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .brand-name { display: none; }
  .brand { padding-right: 4px; }
  .nav-links a { padding: 8px 11px; font-size: 14px; }
  .cards { grid-template-columns: 1fr; }
  .hero { padding-top: 110px; }
  .term-body { font-size: 13px; padding: 16px; }
}

/* ---------- Weniger Bewegung ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .aurora i, .caret { animation: none; }
  .card, .mock, .visit span { transition: none; }
  .terminal { transform: none !important; }
}