/* SerenFlow Digital — placeholder studio page (WEB001).
   Rendszer-betűkészlet, nincs külső erőforrás. Mindig sötét háttér (nincs világos téma):
   az arculat átlátszó, fényudvaros PNG/WebP-i sötét alapra készültek. */

:root {
  --bg: #000000;          /* SerenFlow háttér */
  --panel: #16252e;       /* ROBS gunmetal */
  --cyan: #00d7ff;        /* ROBS cián */
  --magenta: #ff00cc;     /* ROBS magenta */
  --silver: #aeb8be;      /* ROBS ezüst */
  --sage: #a3b18a;        /* SerenFlow zsálya */
  --text: #e8eef1;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  background: var(--bg);
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
          text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  color: var(--text);
  font: 400 1rem/1.6 var(--font);
  background:
    radial-gradient(ellipse 80% 45% at 50% 22%, var(--panel) 0%, rgba(22, 37, 46, 0) 70%),
    var(--bg);
}

main { flex: 1 0 auto; }

.wrap {
  width: 100%;
  max-width: 60rem;
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* --- fejléc: a SerenFlow vízszintes aláírás + a közös navigáció --- */
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-top: 1.5rem;
  padding-bottom: 1rem;
}

.site-nav ul, .footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a, .footer-nav a {
  display: inline-block;
  padding: 0.35rem 0;
  color: var(--sage);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a:hover, .footer-nav a:hover { color: var(--magenta); }
.site-nav a[aria-current="page"], .footer-nav a[aria-current="page"] {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 0.35em;
}

.signature { display: inline-block; line-height: 0; }
.signature img { display: block; width: 13.75rem; max-width: 60vw; height: auto; }

/* --- hero --- */
.hero {
  text-align: center;
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.hero h1 { margin: 0 auto; max-width: 45rem; font-size: 1rem; line-height: 0; }
.hero h1 img { display: block; width: 100%; height: auto; }

.lead {
  margin: 1.75rem 0 0.4rem;
  font-size: clamp(1.25rem, 4.6vw, 1.75rem);
  font-weight: 600;
  line-height: 1.3;
}

.slogan {
  margin: 0;
  color: var(--silver);
  font-size: clamp(1rem, 3.6vw, 1.25rem);
  letter-spacing: 0.04em;
}

.status {
  display: inline-block;
  margin: 1.75rem 0 0;
  padding: 0.5rem 1.15rem;
  border: 1px solid var(--cyan);
  border-radius: 999px;
  color: var(--cyan);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* --- stúdió + kapcsolat --- */
.info {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 2rem;
  padding-bottom: 3rem;
  border-top: 1px solid rgba(163, 177, 138, 0.28);
}

.info h2 {
  margin: 0 0 0.5rem;
  color: var(--sage);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.info p { margin: 0; color: var(--text); }

a { color: var(--cyan); text-underline-offset: 0.2em; }
a:hover { color: var(--magenta); }
a:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 2px; }

/* --- lábléc --- */
.site-footer { flex-shrink: 0; }
.site-footer .wrap { padding-top: 1.25rem; padding-bottom: 1.75rem; }
.site-footer .footer-nav { margin-bottom: 0.75rem; }
.site-footer p { margin: 0; color: var(--silver); font-size: 0.875rem; }

/* --- tartalmi oldalak (/credits, /contact, /links) --- */
.page { padding-top: 2rem; padding-bottom: 3rem; }
.page h1 { margin: 0 0 0.75rem; font-size: clamp(1.75rem, 6vw, 2.5rem); line-height: 1.2; }
.page .intro { margin: 0 0 2rem; max-width: 40rem; color: var(--silver); }
.page section { margin-top: 2.25rem; padding-top: 1.5rem; border-top: 1px solid rgba(163, 177, 138, 0.28); }
.page h2 {
  margin: 0 0 1rem;
  color: var(--sage);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.page p { margin: 0 0 0.75rem; max-width: 44rem; overflow-wrap: anywhere; }

/* adatvédelmi szabályzat (/privacy): alcímek és osztály nélküli felsorolások */
.page h3 { margin: 1.5rem 0 0.5rem; color: var(--text); font-size: 1.0625rem; font-weight: 600; line-height: 1.35; }
.page h2 + h3 { margin-top: 0; }
.page ul:not([class]) { max-width: 44rem; margin: 0 0 0.75rem; padding-left: 1.25rem; }
.page ul:not([class]) li { margin-bottom: 0.4rem; overflow-wrap: anywhere; }
.page ul:not([class]) li::marker { color: var(--sage); }

/* kapcsolat */
.contacts { display: grid; gap: 1.5rem; margin: 0; max-width: 44rem; }
.contacts dt { font-size: clamp(1rem, 4.2vw, 1.25rem); font-weight: 600; overflow-wrap: anywhere; }
.contacts dd { margin: 0.2rem 0 0; color: var(--silver); }

/* link-hub */
.link-list { display: grid; gap: 0.875rem; max-width: 26rem; margin: 0; padding: 0; list-style: none; }
.link-button {
  display: block;
  padding: 0.9rem 1.25rem;
  border: 1px solid var(--cyan);
  border-radius: 0.5rem;
  background: rgba(22, 37, 46, 0.6);
  color: var(--text);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
}
.link-button:hover { border-color: var(--magenta); color: var(--magenta); }

/* credits */
.credit-list { display: grid; gap: 1.25rem; margin: 0; padding: 0; list-style: none; }
.credit-list p, .credit-block p { margin-bottom: 0.35rem; }
.credit-block { margin-bottom: 1.5rem; }
.attribution { color: var(--text); font-weight: 600; }
.page details { max-width: 44rem; margin-top: 0.5rem; }
.page summary { cursor: pointer; color: var(--cyan); }
.page summary:hover { color: var(--magenta); }
.page pre {
  margin: 0.75rem 0 0;
  padding: 1rem;
  border: 1px solid rgba(163, 177, 138, 0.28);
  border-radius: 0.5rem;
  background: rgba(22, 37, 46, 0.5);
  color: var(--silver);
  font: 0.8125rem/1.5 ui-monospace, "Cascadia Mono", Consolas, monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* --- 404 --- */
.notfound {
  text-align: center;
  padding-top: 4rem;
  padding-bottom: 5rem;
}
.notfound h1 { margin: 0 0 0.75rem; font-size: clamp(1.5rem, 6vw, 2.25rem); }
.notfound p { margin: 0; color: var(--silver); }

@media (min-width: 40rem) {
  .info { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .hero { padding-top: 3rem; padding-bottom: 4rem; }
}