/* =====================================================================
   Theme-System: Light ist die Basis (:root). Dunkel (Navy) wird über
   [data-theme="dark"] ODER – wenn keine manuelle Wahl getroffen wurde –
   automatisch per System-Einstellung (prefers-color-scheme) aktiviert.
   Umschalter siehe assets/script.js (.theme-toggle).
   ===================================================================== */
:root {
  /* ---- Light: helle, kühle Fläche, blauer Akzent ---- */
  --bg: #f5f8fc;
  --bg-soft: #e9eff7;
  --bg-card: #ffffff;
  --border: #d8e2f0;
  --text: #16202e;
  --text-dim: #54657a;
  --accent: #2f6fc0;
  --accent-strong: #3a7fd0;
  --accent-2: #2f6fc0;
  --warm: #e08a3c;
  --warn: #b9771e;
  --danger: #cf5b46;
  --good: #1d7e86;
  --btn-primary-fg: #ffffff;

  --accent-soft: #e2ecf9;
  --header-bg: rgba(245,248,252,0.9);
  --hero-glow-1: rgba(47,111,192,0.12);
  --hero-glow-2: rgba(47,111,192,0.07);
  --callout-bg: #eaf1fb;            --callout-text: #33485f;
  --callout-warn-bg: #fbf2e2;       --callout-warn-text: #7a5a23;
  --callout-danger-bg: #fbe9e4;     --callout-danger-text: #8a3d2c;
  --badge-best-bg: #e2ecf9;         --badge-best-text: #245aa0;   --badge-best-border: rgba(47,111,192,0.5);
  --badge-warn-bg: #fbf1de;         --badge-warn-border: rgba(201,130,31,0.4);
  --badge-bad-bg: #fbe8e3;          --badge-bad-border: rgba(211,101,79,0.4);
  --card-accent-bg: #eaf2fc;        --card-accent-border: rgba(47,111,192,0.4);
  --code-text: #2a3a45;
  --pre-bg: #14223a;                --pre-text: #e7edf6;          --pre-cmt: #8a9bb3;
  --disclaimer: #8595a8;
  --btn-primary-shadow: rgba(47,111,192,0.28);

  --radius: 18px;
  --maxw: 1060px;
  /* Nur lokale System-Schriften – KEINE Schriftdateien, keine Google Fonts. */
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --shadow: 0 6px 20px rgba(31, 41, 51, 0.08);
}

/* ---- Dunkel (Navy): manuell gewählt ---- */
:root[data-theme="dark"] {
  --bg: #0c1c34;
  --bg-soft: #122544;
  --bg-card: #15294b;
  --border: #294568;
  --text: #e8eef7;
  --text-dim: #a0b3cf;
  --accent: #4f9fe8;
  --accent-strong: #6cb0ef;
  --accent-2: #7cb8f0;
  --warm: #e3a05a;
  --warn: #d8a24f;
  --danger: #e07a60;
  --good: #56c2d8;
  --btn-primary-fg: #08152a;

  --accent-soft: rgba(79,159,232,0.18);
  --header-bg: rgba(12,28,52,0.9);
  --hero-glow-1: rgba(79,159,232,0.18);
  --hero-glow-2: rgba(60,120,200,0.16);
  --callout-bg: rgba(79,159,232,0.10);      --callout-text: #c6d6ec;
  --callout-warn-bg: rgba(227,160,90,0.12); --callout-warn-text: #e7c08c;
  --callout-danger-bg: rgba(224,122,96,0.12); --callout-danger-text: #f0a892;
  --badge-best-bg: rgba(79,159,232,0.16);   --badge-best-text: #8cc6f2;   --badge-best-border: rgba(79,159,232,0.45);
  --badge-warn-bg: rgba(216,162,79,0.16);   --badge-warn-border: rgba(216,162,79,0.4);
  --badge-bad-bg: rgba(224,122,96,0.16);    --badge-bad-border: rgba(224,122,96,0.4);
  --card-accent-bg: rgba(79,159,232,0.09);  --card-accent-border: rgba(79,159,232,0.4);
  --code-text: #cdd9ea;
  --pre-bg: #081224;                        --pre-text: #d8e2f0;          --pre-cmt: #7e90ab;
  --disclaimer: #7e8ea9;
  --btn-primary-shadow: rgba(79,159,232,0.30);
  --shadow: 0 6px 20px rgba(0, 0, 0, 0.40);
}

/* ---- Dunkel automatisch per System – aber nur, wenn nicht manuell „light" gewählt ---- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --bg: #0c1c34;
    --bg-soft: #122544;
    --bg-card: #15294b;
    --border: #294568;
    --text: #e8eef7;
    --text-dim: #a0b3cf;
    --accent: #4f9fe8;
    --accent-strong: #6cb0ef;
    --accent-2: #7cb8f0;
    --warm: #e3a05a;
    --warn: #d8a24f;
    --danger: #e07a60;
    --good: #56c2d8;
    --btn-primary-fg: #08152a;

    --accent-soft: rgba(79,159,232,0.18);
    --header-bg: rgba(12,28,52,0.9);
    --hero-glow-1: rgba(79,159,232,0.18);
    --hero-glow-2: rgba(60,120,200,0.16);
    --callout-bg: rgba(79,159,232,0.10);      --callout-text: #c6d6ec;
    --callout-warn-bg: rgba(227,160,90,0.12); --callout-warn-text: #e7c08c;
    --callout-danger-bg: rgba(224,122,96,0.12); --callout-danger-text: #f0a892;
    --badge-best-bg: rgba(79,159,232,0.16);   --badge-best-text: #8cc6f2;   --badge-best-border: rgba(79,159,232,0.45);
    --badge-warn-bg: rgba(216,162,79,0.16);   --badge-warn-border: rgba(216,162,79,0.4);
    --badge-bad-bg: rgba(224,122,96,0.16);    --badge-bad-border: rgba(224,122,96,0.4);
    --card-accent-bg: rgba(79,159,232,0.09);  --card-accent-border: rgba(79,159,232,0.4);
    --code-text: #cdd9ea;
    --pre-bg: #081224;                        --pre-text: #d8e2f0;          --pre-cmt: #7e90ab;
    --disclaimer: #7e8ea9;
    --btn-primary-shadow: rgba(79,159,232,0.30);
    --shadow: 0 6px 20px rgba(0, 0, 0, 0.40);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

h1, h2, h3, .nav, .nav-links, .brand { hyphens: none; -webkit-hyphens: none; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center;
  gap: 14px; padding: 12px 20px; max-width: var(--maxw); margin: 0 auto;
}
.brand {
  display: flex; align-items: center; gap: 10px; margin-right: auto;
  font-weight: 700; color: var(--text); font-size: 1.05rem;
  hyphens: none; -webkit-hyphens: none; overflow-wrap: normal; word-break: normal;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand-name { display: inline-block; line-height: 1.08; font-size: 0.98rem; letter-spacing: 0.1px; }
.brand .logo {
  width: 30px; height: 30px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 8px; color: #fff; font-weight: 800;
}
.brand .logo-img { width: 34px; height: 34px; display: block; }
.nav-links { display: flex; gap: 4px; flex-wrap: wrap; }
.nav-links a {
  color: var(--text-dim); padding: 7px 12px; border-radius: 10px;
  font-size: 0.92rem; font-weight: 500;
}
.nav-links a:hover { color: var(--text); background: var(--bg-soft); text-decoration: none; }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); }

/* Theme-Umschalter (immer sichtbar) */
.theme-toggle {
  order: 5; background: none; border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 6px 9px;
  font-size: 1rem; line-height: 1; cursor: pointer;
}
.theme-toggle:hover { background: var(--bg-soft); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 6px 10px;
  font-size: 1.2rem; cursor: pointer;
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 56px; left: 0; right: 0;
    flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 10px 16px; box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 44px;
  background:
    radial-gradient(700px 360px at 88% -20%, var(--hero-glow-1), transparent),
    radial-gradient(620px 340px at 5% 0%, var(--hero-glow-2), transparent);
  border-bottom: 1px solid var(--border);
}
.hero-wrap { display: flex; align-items: center; gap: 36px; }
.hero-text { flex: 1 1 auto; min-width: 0; }
.hero-globe { flex: 0 0 auto; line-height: 0; }
.hero-globe canvas { width: 210px; height: 210px; display: block; }
@media (max-width: 820px) {
  .hero-wrap { flex-direction: column-reverse; gap: 18px; text-align: left; align-items: stretch; }
  .hero-globe { align-self: center; }
  .hero-globe canvas { width: 150px; height: 150px; }
}
.hero h1 { font-size: 2.5rem; line-height: 1.18; margin: 0 0 16px; letter-spacing: -0.3px; }
.hero p.lead { font-size: 1.18rem; color: var(--text-dim); max-width: 720px; }
.eyebrow {
  display: inline-block; color: var(--accent); font-weight: 700;
  font-size: 0.85rem; letter-spacing: 0.6px; text-transform: uppercase; margin-bottom: 12px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 12px;
  font-weight: 600; cursor: pointer; border: 1px solid transparent;
  transition: transform .08s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--btn-primary-fg); box-shadow: 0 4px 12px var(--btn-primary-shadow); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--bg-card); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

/* ---------- Sections ---------- */
section.block { padding: 52px 0; border-bottom: 1px solid var(--border); }
section.block:last-of-type { border-bottom: none; }
h2 { font-size: 1.8rem; margin: 0 0 12px; letter-spacing: -0.2px; }
h3 { font-size: 1.2rem; margin: 26px 0 8px; }
.section-intro { color: var(--text-dim); max-width: 760px; margin-bottom: 26px; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 820px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }
.card .icon { font-size: 1.7rem; margin-bottom: 6px; display: block; }
.card.accent { border-color: var(--card-accent-border); background: var(--card-accent-bg); }

a.card:hover { transform: translateY(-2px); transition: transform .12s ease; text-decoration: none; }

/* ---------- Tags / badges ---------- */
.badge {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border);
  color: var(--text-dim); background: var(--bg-soft);
}
.badge.best { color: var(--badge-best-text); border-color: var(--badge-best-border); background: var(--badge-best-bg); }
.badge.warn { color: var(--warn); border-color: var(--badge-warn-border); background: var(--badge-warn-bg); }
.badge.bad { color: var(--danger); border-color: var(--badge-bad-border); background: var(--badge-bad-bg); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); background: var(--bg-card); }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--bg-soft); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.4px; color: var(--text-dim); }
tr:last-child td { border-bottom: none; }
td.good { color: var(--good); font-weight: 600; }
td.mid { color: var(--warn); font-weight: 600; }
td.bad { color: var(--danger); font-weight: 600; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; gap: 16px; margin-top: 22px; }
.step {
  position: relative; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px 20px 70px; box-shadow: var(--shadow);
}
.step::before {
  counter-increment: step; content: counter(step); position: absolute;
  left: 20px; top: 20px; width: 34px; height: 34px; display: grid; place-items: center;
  background: var(--warm); color: #fff; font-weight: 800; border-radius: 10px;
}
.step h3 { margin: 0 0 6px; }

/* ---------- Callouts ---------- */
.callout {
  border-left: 4px solid var(--accent-2); background: var(--callout-bg);
  border-radius: 10px; padding: 16px 18px; margin: 22px 0; color: var(--callout-text);
}
.callout.warn { border-color: var(--warm); background: var(--callout-warn-bg); color: var(--callout-warn-text); }
.callout.danger { border-color: var(--danger); background: var(--callout-danger-bg); color: var(--callout-danger-text); }
.callout strong { color: inherit; }

/* ---------- Lists ---------- */
ul.clean { list-style: none; padding: 0; }
ul.clean li { padding: 8px 0 8px 28px; position: relative; border-bottom: 1px solid var(--border); }
ul.clean li:last-child { border-bottom: none; }
ul.clean li::before { content: "›"; position: absolute; left: 6px; color: var(--accent); font-weight: 700; }
.pro li::before { content: "✓"; color: var(--accent); }
.con li::before { content: "✕"; color: var(--danger); }

/* ---------- FAQ ---------- */
details.faq {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 4px 20px; margin-bottom: 12px; box-shadow: var(--shadow);
}
details.faq summary {
  cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; }
details.faq[open] summary::after { content: "−"; }
details.faq p { color: var(--text-dim); margin-top: 0; padding-bottom: 16px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--text-dim); font-size: 0.9rem; background: var(--bg-soft); }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-grid a { color: var(--text-dim); }
.footer-grid a:hover { color: var(--accent); }
.disclaimer { margin-top: 24px; font-size: 0.82rem; color: var(--disclaimer); max-width: 760px; }

/* ---------- Misc ---------- */
.kicker-num { color: var(--warm); font-weight: 800; font-size: 1.1rem; }
code { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; font-size: 0.9em; color: var(--code-text); }
pre {
  background: var(--pre-bg); color: var(--pre-text); border-radius: 12px;
  padding: 16px 18px; overflow-x: auto; margin: 14px 0;
  font-size: 0.88rem; line-height: 1.6; box-shadow: var(--shadow);
}
pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }
pre .cmt { color: var(--pre-cmt); }
.os-label { display: inline-block; font-size: 0.78rem; font-weight: 700; color: var(--text-dim); margin: 12px 0 2px; text-transform: uppercase; letter-spacing: 0.4px; }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
hr.soft { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

/* ---------- Kleine Handys (≤ 480px): Feinschliff ---------- */
@media (max-width: 480px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }

  .hero { padding: 40px 0 32px; }
  .hero h1 { font-size: 1.9rem; line-height: 1.22; }
  .hero p.lead { font-size: 1.05rem; }
  .hero-globe canvas { width: 130px; height: 130px; }

  section.block { padding: 36px 0; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.1rem; }

  .card { padding: 18px; }
  .callout { padding: 14px 14px; }

  .btn { display: block; width: 100%; text-align: center; }
  .btn-row { gap: 10px; }

  .footer-grid { gap: 16px; }
}