/* Enerlytix — Website-Styles · Marke: Navy + Petrol · Schrift: Sora (lokal) */
/* Theming über data-theme auf <html>: Standard = hell, [data-theme="dark"] = dunkel */
:root {
  --bg:          #f4f3f0;
  --surface:     #ffffff;
  --surface-2:   #f4f3f0;
  --ink:         #1d2733;   /* Überschriften */
  --text:        #222b36;
  --muted:       rgba(34,43,54,0.60);
  --hair:        rgba(29,39,51,0.10);
  --hair-dash:   rgba(29,39,51,0.14);
  --petrol:      #2f8f86;
  --petrol-dp:   #267a72;

  --header-bg:   rgba(244,243,240,0.82);
  /* Kopfleiste = invertiert (im Hellmodus dunkel) */
  --hd-bg:       rgba(20,28,37,0.90);
  --hd-fg:       #eef1f2;
  --hd-hover:    rgba(255,255,255,0.10);
  --hd-border:   rgba(238,241,242,0.10);
  --hd-cta-bg:   #3aa39a;
  --hd-cta-fg:   #06231f;
  --hd-toggle-bg:    rgba(255,255,255,0.08);
  --hd-toggle-border: rgba(238,241,242,0.20);

  --btn-bg:      #1d2733;
  --btn-fg:      #ffffff;
  --btn-bg-h:    #267a72;
  --btn-ghost-bg:#ffffff;

  --hero-glow:   rgba(47,143,134,0.16);
  --hero-ring:   rgba(47,143,134,0.16);

  --contact-bg:  radial-gradient(130% 130% at 80% 0%, #27323f, #1d2733 65%);
  --contact-fg:  #ffffff;
  --contact-muted: rgba(238,241,242,0.66);
  --contact-border: transparent;

  --radius: 14px;
  --maxw:   1120px;
}

[data-theme="dark"] {
  --bg:          #141c25;
  --surface:     #1e2935;
  --surface-2:   #232f3c;
  --ink:         #eef1f2;
  --text:        #c9d3da;
  --muted:       rgba(201,211,218,0.62);
  --hair:        rgba(238,241,242,0.12);
  --hair-dash:   rgba(238,241,242,0.16);
  --petrol:      #3aa39a;
  --petrol-dp:   #4fb4aa;

  --header-bg:   rgba(20,28,37,0.82);
  /* Kopfleiste = invertiert (im Dunkelmodus hell) */
  --hd-bg:       rgba(244,243,240,0.90);
  --hd-fg:       #1d2733;
  --hd-hover:    rgba(29,39,51,0.06);
  --hd-border:   rgba(29,39,51,0.10);
  --hd-cta-bg:   #1d2733;
  --hd-cta-fg:   #ffffff;
  --hd-toggle-bg:    #ffffff;
  --hd-toggle-border: rgba(29,39,51,0.12);

  --btn-bg:      #3aa39a;
  --btn-fg:      #06231f;
  --btn-bg-h:    #4fb4aa;
  --btn-ghost-bg:#1e2935;

  --hero-glow:   rgba(58,163,154,0.22);
  --hero-ring:   rgba(58,163,154,0.24);

  --contact-bg:  linear-gradient(135deg, #232f3c, #1b2531);
  --contact-fg:  #eef1f2;
  --contact-muted: rgba(201,211,218,0.66);
  --contact-border: rgba(58,163,154,0.30);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Sora', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background .3s ease, color .3s ease;
}

a { color: inherit; }
img { display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.eyebrow {
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--petrol-dp);
}

/* ── Logo swap (light/dark variants toggled by theme) ── */
.logo-dark { display: none; }
[data-theme="dark"] .logo-light { display: none; }
[data-theme="dark"] .logo-dark { display: block; }
/* Kopfleiste ist invertiert → Logo dort gegenläufig zum Seiten-Theme */
.site-header .logo-light { display: none; }
.site-header .logo-dark { display: block; }
[data-theme="dark"] .site-header .logo-light { display: block; }
[data-theme="dark"] .site-header .logo-dark { display: none; }

/* ── Header ── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  padding-top: env(safe-area-inset-top, 0px);
  background: var(--hd-bg);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--hd-border);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; height: 78px;
}
.site-header .brand { display: flex; align-items: center; }
.site-header .brand img { height: 30px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.site-nav a {
  text-decoration: none; color: var(--hd-fg); font-weight: 500; font-size: 15px;
  padding: 8px 12px; border-radius: 8px; transition: background .15s, color .15s, opacity .15s;
}
.site-nav a:hover { background: var(--hd-hover); }
.site-nav a.cta { background: var(--hd-cta-bg); color: var(--hd-cta-fg); font-weight: 600; }
.site-nav a.cta:hover { background: var(--hd-cta-bg); filter: brightness(1.08); }

/* ── Theme toggle ── */
.theme-toggle {
  margin-left: 6px; width: 38px; height: 38px; border-radius: 9px;
  border: 1px solid var(--hd-toggle-border); background: var(--hd-toggle-bg); color: var(--hd-fg);
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  padding: 0; transition: background .15s, border-color .15s, transform .12s;
}
.theme-toggle:hover { border-color: var(--petrol); transform: translateY(-1px); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .i-moon { display: block; }
.theme-toggle .i-sun  { display: none; }
[data-theme="dark"] .theme-toggle .i-moon { display: none; }
[data-theme="dark"] .theme-toggle .i-sun  { display: block; }

/* ── Footer ── */
.site-footer { border-top: 1px solid var(--hair); margin-top: 8px; }
.site-footer .container {
  padding-top: 36px; padding-bottom: 44px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px;
}
.site-footer .f-left { display: flex; align-items: center; gap: 14px; }
.site-footer .f-left img { height: 26px; }
.site-footer .f-meta { color: var(--muted); font-size: 13.5px; }
.site-footer nav { display: flex; gap: 4px; }
.site-footer nav a {
  text-decoration: none; color: var(--ink); font-weight: 500; font-size: 14px;
  padding: 6px 10px; border-radius: 7px; transition: background .15s;
}
.site-footer nav a:hover { background: rgba(127,127,127,0.10); }
.site-footer .privacy-note {
  width: 100%; margin-top: 6px; color: var(--muted); font-size: 12.5px;
  border-top: 1px dashed var(--hair-dash); padding-top: 16px;
}

/* ── Legal pages ── */
.legal { padding: 48px 0 70px; }
.legal .card {
  background: var(--surface); border: 1px solid var(--hair); border-radius: 22px;
  padding: 44px 48px; max-width: 860px; margin: 0 auto;
  box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 18px 50px rgba(0,0,0,.06);
}
.legal h1 { font-size: clamp(30px,4vw,40px); font-weight: 700; letter-spacing: -0.02em; color: var(--ink); margin: 0 0 10px; line-height: 1.1; }
.legal h2 { font-size: 19px; font-weight: 600; color: var(--ink); margin: 34px 0 8px; }
.legal p, .legal li { color: var(--text); }
.legal a { color: var(--petrol-dp); font-weight: 600; text-decoration: none; }
.legal a:hover { text-decoration: underline; }
.legal .data {
  background: var(--surface-2); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: 18px 20px;
}
.legal ul { padding-left: 22px; }
.legal ul li { margin: 4px 0; }
.legal .backnav {
  margin-top: 36px; border-top: 1px solid var(--hair); padding-top: 20px;
  display: flex; gap: 8px;
}
.legal .backnav a {
  font-weight: 500; padding: 7px 12px; border-radius: 8px;
  background: rgba(127,127,127,0.08); color: var(--ink); text-decoration: none;
}
.legal .backnav a:hover { background: rgba(127,127,127,0.14); text-decoration: none; }

@media (max-width: 720px) {
  .site-header .container { height: auto; padding-top: 16px; padding-bottom: 16px; flex-direction: column; align-items: flex-start; }
  .site-nav { gap: 2px; }
  .site-nav a { padding: 7px 9px; font-size: 14px; }
  /* Impressum & Datenschutz stehen auf Mobil in der Fußleiste */
  .site-nav .nav-legal { display: none; }
  .legal .card { padding: 30px 22px; border-radius: 18px; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
}
