/* ==========================================================================
   Erfahrung trifft KI. · Stilblatt Energieportal · assets/css/portal.css
   Version 1.0 — 07.09.2026 · Erstfassung (E01)

   Farben nach 08_DESIGN.txt (R86, kein Ermessen bei den Farben):
     Gelb      #F0C83C
     Orange    #DC6428
     Anthrazit #2E3338
     Blau      #2F6A95
     Weiss     #FFFFFF

   Schrift: Open Sans, LOKAL aus assets/fonts/ (R104 — kein Google-Server).
   ========================================================================== */

@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url(../fonts/open-sans-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
                 U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
                 U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url(../fonts/open-sans-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
                 U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF,
                 U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --gelb:      #F0C83C;
  --orange:    #DC6428;
  --anthrazit: #2E3338;
  --blau:      #2F6A95;
  --grau:      #f4f5f6;
  --linie:     #d8dce0;
  --rot:       #C0392B;
  --gruen:     #2E7D46;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #fff;
  color: var(--anthrazit);
  font-family: 'Open Sans', 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

/* ── Kopf ───────────────────────────────────────────────────────────────── */
.ep-kopf {
  background: var(--anthrazit);
  border-bottom: 4px solid var(--gelb);
}
.ep-kopf-innen {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.ep-marke { text-decoration: none; display: block; }
.ep-marke-text .ep-marke-1 {
  display: block;
  color: var(--gelb);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 2px;
}
.ep-marke-text .ep-marke-2 {
  display: block;
  color: var(--orange);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.ep-kopf-rechts { display: flex; align-items: center; gap: 14px; }
.ep-wer { color: #cfd5db; font-size: 13px; }
.ep-abmelden {
  color: var(--gelb);
  font-size: 13px;
  text-decoration: none;
  border: 1px solid rgba(240, 200, 60, .5);
  border-radius: 4px;
  padding: 5px 12px;
}
.ep-abmelden:hover { background: rgba(240, 200, 60, .12); }

/* ── Inhalt ─────────────────────────────────────────────────────────────── */
.ep-inhalt {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}
body.schmal .ep-inhalt { max-width: 640px; }

h1 {
  font-size: 26px;
  line-height: 1.25;
  margin: 0 0 6px;
  color: var(--anthrazit);
}
h1::after {
  content: '';
  display: block;
  width: 64px;
  height: 4px;
  background: var(--orange);
  margin: 12px 0 20px;
}
h2 { font-size: 19px; margin: 30px 0 10px; color: var(--blau); }
p  { margin: 0 0 14px; }
a  { color: var(--blau); }

/* ── Karten und Kacheln ─────────────────────────────────────────────────── */
.ep-kacheln {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.ep-kachel {
  display: block;
  border: 1px solid var(--linie);
  border-top: 4px solid var(--gelb);
  border-radius: 6px;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--anthrazit);
  background: #fff;
}
.ep-kachel:hover { border-color: var(--orange); border-top-color: var(--orange); }
.ep-kachel-titel { font-weight: 700; display: block; margin-bottom: 4px; }
.ep-kachel-zahl { font-size: 30px; font-weight: 800; color: var(--blau); display: block; }
.ep-kachel-text { font-size: 13px; color: #5a6169; }

/* ── Formulare ──────────────────────────────────────────────────────────── */
form { margin: 0 0 20px; }
fieldset {
  border: 1px solid var(--linie);
  border-radius: 6px;
  padding: 16px 18px;
  margin: 0 0 18px;
}
legend { font-weight: 700; padding: 0 6px; color: var(--blau); }
label { display: block; font-size: 14px; font-weight: 600; margin: 12px 0 4px; }
label.ep-wahl { font-weight: 400; display: flex; gap: 8px; align-items: flex-start; }

input[type=text], input[type=email], input[type=tel], input[type=file],
select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--linie);
  border-radius: 4px;
  font: inherit;
  font-size: 15px;
  background: #fff;
  color: var(--anthrazit);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--blau);
  outline-offset: 1px;
}
.ep-hinweis { font-size: 13px; color: #5a6169; margin: 4px 0 0; }

button, .ep-knopf {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 12px 22px;
  font: inherit;
  font-weight: 700;
  letter-spacing: .5px;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .ep-knopf:hover { background: #c45520; }
.ep-knopf-still {
  background: #fff;
  color: var(--blau);
  border: 1px solid var(--blau);
}
.ep-knopf-still:hover { background: #eef3f7; }

/* ── Meldungen ──────────────────────────────────────────────────────────── */
.ep-kasten {
  border-left: 5px solid var(--blau);
  background: var(--grau);
  padding: 12px 16px;
  border-radius: 4px;
  margin: 0 0 18px;
}
.ep-fehler  { border-left-color: var(--rot);    background: #fdeceb; }
.ep-warnung { border-left-color: var(--orange); background: #fdf1ea; }
.ep-erfolg  { border-left-color: var(--gruen);  background: #ecf6ef; }

/* ── Listen und Tabellen ────────────────────────────────────────────────── */
.ep-zeile {
  display: flex;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid var(--linie);
  flex-wrap: wrap;
}
.ep-label { min-width: 200px; font-weight: 600; font-size: 14px; }
.ep-wert  { flex: 1; }

.ep-tabelle-rahmen { overflow-x: auto; margin: 0 0 20px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--linie); }
th { background: var(--grau); font-weight: 700; white-space: nowrap; }
td.zahl, th.zahl { text-align: right; }

.ep-ampel { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.ep-ampel-rot   { background: var(--rot); }
.ep-ampel-gelb  { background: var(--gelb); }
.ep-ampel-gruen { background: var(--gruen); }

/* ── Fuss ───────────────────────────────────────────────────────────────── */
.ep-fuss {
  border-top: 1px solid var(--linie);
  background: var(--grau);
  padding: 20px;
  font-size: 13px;
  color: #5a6169;
}
.ep-fuss p { max-width: 1080px; margin: 0 auto 6px; }
.ep-fuss-klein { font-size: 12px; }

/* ── Schmal (390 px) ────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  h1 { font-size: 21px; }
  .ep-inhalt { padding: 20px 16px 44px; }
  .ep-label { min-width: 0; }
  .ep-kopf-innen { padding: 12px 16px; }
}