/* ============================================================================
   Hartix Music — Landing (music.hartix.de)
   Graphit-dunkles Theme mit violettem Verlauf-Akzent. Konsistent zum
   Schwester-Projekt hartix.de (Buttons, .container, Header/Footer, Sections),
   in Musik-Ausprägung: Soundwave-Deko, Track-Karten mit Embeds.
   ============================================================================ */

:root {
  --bg:#0b0d1f;
  --bg-soft:#0e1024;
  --bg-card:#141737;
  --bg-card-hi:#191d42;
  --border:#25294f;
  --border-hi:#31376a;
  --text:#e9eaf5;
  --text-mute:#a3a8c9;
  --text-dim:#6f759b;

  --accent:#6d5cff;          /* Signatur-Violett (dunkler Pol) */
  --accent-2:#b69bff;        /* heller Pol */
  --accent-sig:#8b7cff;      /* Signaturviolett */
  --accent-ink:#0c0a24;      /* Text auf Violett */
  --accent-soft:rgba(139,124,255,.12);
  --accent-line:rgba(139,124,255,.30);

  --good:#57d977;
  --warm:#f0a23a;
  --danger:#ff6b6b;

  --radius:16px;
  --radius-sm:10px;
  --radius-pill:999px;

  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --mono:'JetBrains Mono','SF Mono',Consolas,ui-monospace,monospace;

  --maxw:1140px;
  --shadow:0 18px 50px rgba(0,0,0,.5);
}

/* ----------------------------- Reset / Base ------------------------------- */
*,*::before,*::after { box-sizing:border-box; }
* { margin:0; }
html { scroll-behavior:smooth; scroll-padding-top:88px; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } }

body {
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(139,124,255,.14), transparent 60%),
    radial-gradient(820px 520px at 6% 2%, rgba(109,92,255,.10), transparent 55%),
    linear-gradient(0deg, rgba(139,124,255,.03) 1px, transparent 1px) 0 0/100% 32px,
    linear-gradient(90deg, rgba(139,124,255,.03) 1px, transparent 1px) 0 0/32px 100%,
    var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  overflow-x:hidden;   /* Safety-Net gegen horizontales Scrollen auf schmalen Screens */
}

img,svg { display:block; max-width:100%; }
.icon { stroke-linecap:round; stroke-linejoin:round; vertical-align:middle; }
a { color:var(--accent-2); text-decoration:none; transition:color .15s; }
a:hover { color:#cdbcff; }

h1,h2,h3,h4 { line-height:1.15; font-weight:800; letter-spacing:-.02em; }
h1 { font-size:clamp(2.6rem,7vw,4.6rem); }
h2 { font-size:clamp(1.7rem,3.2vw,2.5rem); }
h3 { font-size:1.2rem; font-weight:700; }
p { color:var(--text-mute); }

.container { width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:24px; }
.muted { color:var(--text-mute); }
.muted em { font-style:normal; color:var(--text-dim); font-size:.85em; }

.skip-link {
  position:absolute; left:-999px; top:0; background:var(--accent); color:#fff;
  padding:10px 16px; border-radius:0 0 10px 0; z-index:200; font-weight:600;
}
.skip-link:focus { left:0; }

.eyebrow {
  display:inline-flex; align-items:center; gap:7px;
  font-family:var(--mono); font-size:.78rem; font-weight:500; letter-spacing:.04em;
  text-transform:uppercase; color:var(--accent-2);
  background:var(--accent-soft); border:1px solid var(--accent-line);
  padding:5px 12px; border-radius:var(--radius-pill); margin-bottom:18px;
}
.eyebrow .icon { color:var(--accent-2); }

.grad {
  background:linear-gradient(100deg,var(--accent-2),#e0d4ff 55%,var(--accent));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* ------------------------------- Buttons ---------------------------------- */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  font-family:inherit; font-size:.96rem; font-weight:600; cursor:pointer;
  padding:12px 20px; border-radius:var(--radius-sm); border:1px solid transparent;
  transition:transform .12s, box-shadow .2s, background .2s, border-color .2s;
  white-space:nowrap;
}
.btn:active { transform:translateY(1px); }
.btn-primary {
  background:linear-gradient(180deg,var(--accent-2),var(--accent));
  color:#fff; box-shadow:0 6px 20px rgba(109,92,255,.35);
}
.btn-primary:hover { color:#fff; box-shadow:0 8px 28px rgba(109,92,255,.5); transform:translateY(-1px); }
.btn-ghost {
  background:rgba(255,255,255,.02); border-color:var(--border-hi); color:var(--text);
}
.btn-ghost:hover { color:var(--text); border-color:var(--accent-line); background:var(--accent-soft); }
.btn-block { width:100%; }
.btn.is-disabled {
  cursor:default; pointer-events:none; opacity:.55;
  background:rgba(255,255,255,.02); border-color:var(--border); color:var(--text-mute);
  box-shadow:none;
}

/* ------------------------------- Header ----------------------------------- */
.site-header {
  position:sticky; top:0; z-index:100;
  background:rgba(11,13,31,.72); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner { display:flex; align-items:center; justify-content:space-between; height:68px; }
.brand { display:inline-flex; align-items:center; gap:11px; color:var(--text); }
.brand:hover { color:var(--text); }
.brand-mark { border-radius:9px; }
.brand-wm { font-weight:800; font-size:1.32rem; letter-spacing:-.02em; }
.wm-accent { color:var(--accent-2); }

.primary-nav ul { list-style:none; display:flex; align-items:center; gap:8px; padding:0; }
.primary-nav a:not(.btn):not(.plat-link) {
  color:var(--text-mute); font-weight:500; padding:9px 14px; border-radius:8px;
  transition:color .15s, background .15s;
}
.primary-nav a:not(.btn):not(.plat-link):hover,
.primary-nav a.active { color:var(--text); background:rgba(255,255,255,.04); }

/* Plattform-Icons in der Nav */
.nav-platforms { display:inline-flex; align-items:center; gap:4px; margin-left:6px; }
.plat-link {
  display:inline-grid; place-items:center; width:38px; height:38px; border-radius:9px;
  color:var(--text-mute); border:1px solid transparent; transition:color .15s, background .15s, border-color .15s;
}
.plat-link:hover { color:var(--accent-2); background:var(--accent-soft); border-color:var(--accent-line); }
.plat-link.is-disabled { color:var(--text-dim); opacity:.5; cursor:default; }

.nav-toggle {
  display:none; background:transparent; border:1px solid var(--border-hi); color:var(--text);
  border-radius:9px; padding:7px; cursor:pointer;
}

/* -------------------------------- Hero ------------------------------------ */
.hero { position:relative; padding:clamp(56px,10vw,120px) 0 clamp(40px,6vw,72px); overflow:hidden; }
.hero-inner { position:relative; z-index:1; text-align:center; max-width:720px; margin-inline:auto; }
.hero h1 { overflow-wrap:break-word; max-width:100%; }
.hero .lead { max-width:min(52ch, 100%); }
.hero .eyebrow { margin-bottom:22px; }
.hero h1 { margin:0 0 6px; }
.claim { font-size:clamp(1.2rem,2.4vw,1.6rem); font-weight:600; color:var(--text); margin-bottom:14px; }
.hero .lead { font-size:1.1rem; color:var(--text-mute); max-width:52ch; margin:0 auto; }
.hero .lead strong { color:var(--text); }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; justify-content:center; margin:32px 0 20px; }
.hero-platforms { display:flex; flex-wrap:wrap; gap:10px; justify-content:center; }
.plat-chip {
  display:inline-flex; align-items:center; gap:7px;
  font-family:var(--mono); font-size:.82rem; color:var(--text-mute);
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-pill);
  padding:7px 14px; transition:color .15s, border-color .15s, background .15s;
}
.plat-chip:hover { color:var(--accent-2); border-color:var(--accent-line); background:var(--accent-soft); }
.plat-chip.is-disabled { color:var(--text-dim); opacity:.55; cursor:default; }

/* Soundwave/Equalizer-Deko unter dem Hero */
.soundwave {
  display:flex; align-items:flex-end; justify-content:center; gap:5px;
  height:64px; margin-top:44px; opacity:.55;
  max-width:100%; overflow:hidden;   /* auf schmalen Screens sauber abschneiden statt überlaufen */
}
.soundwave span {
  width:5px; border-radius:3px;
  background:linear-gradient(180deg,var(--accent-2),var(--accent));
  animation:sw 1.4s ease-in-out infinite;
}
.soundwave span:nth-child(odd)  { animation-duration:1.7s; }
.soundwave span:nth-child(3n)   { animation-duration:1.1s; }
.soundwave span:nth-child(4n)   { animation-duration:2s; }
.soundwave span:nth-child(5n)   { animation-delay:.3s; }
.soundwave span:nth-child(7n)   { animation-delay:.6s; }
@keyframes sw { 0%,100% { height:10%; } 50% { height:100%; } }
@media (prefers-reduced-motion:reduce){
  .soundwave span { animation:none; height:40%; }
}

/* ------------------------------ Sections ---------------------------------- */
.section { padding:clamp(56px,8vw,96px) 0; }
.section-alt {
  background:linear-gradient(180deg,rgba(255,255,255,.015),transparent);
  border-block:1px solid var(--border);
}
.section-head { text-align:center; max-width:620px; margin:0 auto clamp(36px,5vw,56px); }
.section-head h2 { margin:4px 0 12px; }

/* ---------------------------- Track-Grid ---------------------------------- */
.track-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:24px;
}
.track-card {
  position:relative; display:flex; flex-direction:column;
  background:linear-gradient(180deg,var(--bg-card-hi),var(--bg-card));
  border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; transition:transform .18s, border-color .18s, box-shadow .25s;
}
.track-card::before {
  content:""; position:absolute; inset:0 0 auto 0; height:3px; z-index:2;
  background:linear-gradient(90deg,var(--p-accent),transparent 75%); opacity:.9;
}
.track-card:hover {
  transform:translateY(-4px);
  border-color:color-mix(in srgb, var(--p-accent) 45%, var(--border));
  box-shadow:0 22px 50px rgba(0,0,0,.55), 0 0 0 1px color-mix(in srgb, var(--p-accent) 18%, transparent);
}

/* Responsive 16:9-Embed-Wrapper (YouTube/Spotify/SoundCloud/SUNO) */
.embed-frame {
  position:relative; width:100%; aspect-ratio:16 / 9;
  background:#000; border-bottom:1px solid var(--border);
}
.embed-frame iframe {
  position:absolute; inset:0; width:100%; height:100%; border:0; display:block;
}

/* Cover-Karte, wenn kein Embed vorhanden */
.track-cover { display:flex; flex-direction:column; }
.cover-art {
  position:relative; aspect-ratio:16 / 9; display:grid; place-items:center; gap:10px;
  padding:20px; text-align:center; border-bottom:1px solid var(--border);
  background:
    radial-gradient(120% 120% at 20% 0%, color-mix(in srgb, var(--p-accent) 40%, transparent), transparent 60%),
    linear-gradient(140deg, color-mix(in srgb, var(--p-accent) 30%, var(--bg-card)), var(--bg-soft));
}
.cover-art img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.cover-mark { color:#fff; opacity:.9; }
.cover-title { font-weight:800; font-size:1.25rem; letter-spacing:-.02em; color:#fff; }
.track-cover .btn { border-radius:0; }

.tc-meta { padding:16px 18px 18px; display:flex; flex-direction:column; gap:4px; }
.tc-head { display:flex; align-items:center; justify-content:space-between; gap:10px; }
.tc-head h3 { color:var(--text); }
.tc-platform {
  display:inline-flex; align-items:center; gap:5px; flex:none;
  font-family:var(--mono); font-size:.7rem; color:var(--p-accent);
  border:1px solid color-mix(in srgb, var(--p-accent) 35%, transparent);
  background:color-mix(in srgb, var(--p-accent) 12%, transparent);
  padding:3px 9px; border-radius:var(--radius-pill);
}
.tc-artist { font-size:.9rem; color:var(--text-mute); }
.tc-date {
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--mono); font-size:.76rem; color:var(--text-dim); margin-top:2px;
}

/* Empty / Coming-soon */
.empty-state {
  text-align:center; max-width:460px; margin-inline:auto;
  background:linear-gradient(180deg,var(--bg-card-hi),var(--bg-card));
  border:1px solid var(--border); border-radius:var(--radius);
  padding:44px 28px; box-shadow:var(--shadow);
}
.empty-icon {
  display:inline-grid; place-items:center; width:70px; height:70px; margin-bottom:16px;
  border-radius:18px; color:var(--accent-2);
  background:var(--accent-soft); border:1px solid var(--accent-line);
}
.empty-state h3 { color:var(--text); font-size:1.4rem; margin-bottom:8px; }
.empty-state .btn { margin-top:22px; }

/* -------------------------------- Über ------------------------------------ */
.ueber-grid { display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center; }
.ueber-copy h2 { margin:4px 0 16px; }
.ueber-copy p { margin-bottom:14px; }
.ueber-copy strong { color:var(--text); }

.ueber-points { list-style:none; padding:0; display:flex; flex-direction:column; gap:14px; }
.ueber-points li {
  display:flex; gap:16px; align-items:flex-start;
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:18px 20px; transition:border-color .15s, transform .15s;
}
.ueber-points li:hover { border-color:var(--accent-line); transform:translateX(3px); }
.up-icon {
  display:grid; place-items:center; width:44px; height:44px; flex:none; border-radius:11px;
  color:var(--accent-2); background:var(--accent-soft); border:1px solid var(--accent-line);
}
.ueber-points div { display:flex; flex-direction:column; }
.ueber-points strong { color:var(--text); font-size:1.02rem; }
.ueber-points span { color:var(--text-mute); font-size:.92rem; }

/* ------------------------------- Footer ----------------------------------- */
.site-footer { border-top:1px solid var(--border); background:rgba(0,0,0,.28); margin-top:40px; }
.footer-inner {
  display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px; padding:56px 24px 40px;
}
.footer-brand .brand { margin-bottom:14px; }
.footer-brand .muted { max-width:34ch; font-size:.92rem; }
.footer-col h4 { font-size:.82rem; text-transform:uppercase; letter-spacing:.06em; color:var(--text-dim); margin-bottom:14px; font-weight:600; }
.footer-col ul { list-style:none; padding:0; display:flex; flex-direction:column; gap:10px; }
.footer-col a { color:var(--text-mute); font-size:.94rem; }
.footer-col a:hover { color:var(--text); }
.footer-col .muted { font-size:.94rem; }
.footer-bottom { border-top:1px solid var(--border); padding:20px 0; }
.footer-bottom p { font-size:.85rem; color:var(--text-dim); text-align:center; }

/* --------------------------- Rechtliche Seiten ---------------------------- */
.legal { padding:clamp(48px,7vw,84px) 0 80px; }
.legal .container { max-width:760px; }
.legal h1 { font-size:clamp(2rem,4vw,2.7rem); margin-bottom:8px; }
.legal .lead-sub { color:var(--text-dim); margin-bottom:36px; font-family:var(--mono); font-size:.86rem; }
.legal h2 { font-size:1.25rem; margin:34px 0 12px; color:var(--text); }
.legal p { margin-bottom:14px; }
.legal strong { color:var(--text); }

/* ------------------------------ Responsive -------------------------------- */
@media (max-width:900px) {
  .nav-toggle { display:inline-flex; }
  .primary-nav {
    position:absolute; top:68px; left:0; right:0; display:none;
    background:rgba(11,13,31,.98); backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);
  }
  .site-header.nav-open .primary-nav { display:block; }
  .primary-nav ul { flex-direction:column; align-items:stretch; gap:4px; padding:14px 24px 20px; }
  .primary-nav a:not(.btn):not(.plat-link) { padding:13px 14px; }
  .nav-platforms { justify-content:center; margin:8px 0 0; gap:8px; }

  .ueber-grid { grid-template-columns:1fr; gap:40px; }
  .footer-inner { grid-template-columns:1fr 1fr; gap:32px; }
}
@media (max-width:560px) {
  .footer-inner { grid-template-columns:1fr; }
  .track-grid { grid-template-columns:1fr; }
  /* Hero auf sehr schmalen Screens: Titel darf umbrechen, Buttons volle Breite. */
  .hero h1 { font-size:clamp(2rem,9vw,2.8rem); overflow-wrap:break-word; }
  .hero .claim { font-size:1.1rem; }
  .hero .lead { font-size:1rem; }
  .hero-actions { width:100%; }
  .hero-actions .btn { flex:1 1 100%; }
  .hero-platforms .plat-chip { flex:0 1 auto; }
}