/* ============================================================
   HUMRA — Humanoid & Mobile Robotics Alliance
   Farbschema extrahiert aus HURRA-Einheit-Chrom-hell-Michroma.svg
   ============================================================ */

@font-face {
  font-family: "Michroma";
  src: url("../fonts/Michroma-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Kernfarben aus dem Logo-SVG */
  --rot-tief: #5c0001;
  --rot: #b60002;
  --rot-hell: #ff3b1f;
  --rot-pastell: #ffb6a6;
  --magenta-tief: #5e005a;
  --magenta: #c000bc;
  --magenta-hell: #ff3afd;
  --magenta-pastell: #ffc6fb;
  --lime: #d4ff40;
  --lime-dunkel: #6f8f12;
  --ink: #15131a;
  --ink-bg-dark: #131118;
  --paper: #fbfbfc;
  --grau: #b7b3bf;
  --grau-mittel: #8a8694;

  --font-head: "Michroma", "Segoe UI", Arial, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --max-w: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 17px;
}

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, .brand {
  font-family: var(--font-head);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(1.6rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.25rem, 3vw, 1.8rem); margin-bottom: 0.8em; }
h3 { font-size: 1.1rem; margin-bottom: 0.5em; }

p + p { margin-top: 0.9em; }
a { color: var(--rot); }
a:hover { color: var(--rot-hell); }

/* ---------- Header / Navigation ---------- */

header.site {
  background: #fff;
  border-bottom: 1px solid #e9e7ee;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.nav .logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.nav .logo img { height: 46px; width: auto; display: block; }
.nav .logo .brand { color: var(--ink); font-size: 1.25rem; }
.nav .logo .brand small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.62rem;
  color: var(--grau-mittel);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

nav.main ul { display: flex; gap: 6px; list-style: none; flex-wrap: wrap; }
nav.main a {
  display: block;
  padding: 10px 14px;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
  border-radius: 6px;
}
nav.main a:hover, nav.main a.active { background: #f2f0f6; color: var(--rot); }

#menu-toggle { display: none; }
label.burger { display: none; cursor: pointer; padding: 10px; }
label.burger span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; }

@media (max-width: 860px) {
  label.burger { display: block; }
  nav.main { display: none; width: 100%; }
  #menu-toggle:checked ~ nav.main { display: block; }
  nav.main ul { flex-direction: column; padding-bottom: 12px; }
  .nav { flex-wrap: wrap; }
}

/* ---------- Hero ---------- */

.hero {
  background:
    radial-gradient(1000px 420px at 85% -10%, rgba(192, 0, 188, 0.14), transparent 60%),
    radial-gradient(900px 420px at 5% 110%, rgba(182, 0, 2, 0.12), transparent 60%),
    var(--ink-bg-dark);
  color: var(--paper);
  padding: 84px 0 72px;
}

.hero .kicker {
  color: var(--lime);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.hero h1 { max-width: 22ch; }
.hero p.lead { max-width: 58ch; margin-top: 22px; color: #cfccd6; font-size: 1.1rem; }

.hero .cta { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}
.btn.primary { background: var(--lime); color: var(--ink); }
.btn.primary:hover { background: #e4ff70; color: var(--ink); }
.btn.ghost { border: 1px solid var(--grau-mittel); color: var(--paper); }
.btn.ghost:hover { border-color: var(--lime); color: var(--lime); }

/* ---------- Sections ---------- */

section.block { padding: 64px 0; }
section.block.alt { background: #f4f2f8; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 28px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 28px; }
@media (max-width: 860px) { .grid3, .grid2 { grid-template-columns: 1fr; } }

.card {
  background: #fff;
  border: 1px solid #e9e7ee;
  border-top: 3px solid var(--rot);
  border-radius: 10px;
  padding: 26px;
}
.card:nth-child(2) { border-top-color: var(--magenta); }
.card:nth-child(3) { border-top-color: var(--lime-dunkel); }
.card h3 { color: var(--ink); }
.card p { color: #4a4752; font-size: 0.97rem; }

/* ---------- Themen-Liste ---------- */

ul.themen { list-style: none; margin-top: 20px; columns: 2; column-gap: 40px; }
@media (max-width: 700px) { ul.themen { columns: 1; } }
ul.themen li {
  padding: 9px 0 9px 26px;
  position: relative;
  break-inside: avoid;
  border-bottom: 1px solid #edebf2;
}
ul.themen li::before {
  content: "";
  position: absolute;
  left: 0; top: 16px;
  width: 10px; height: 10px;
  background: linear-gradient(135deg, var(--rot), var(--magenta));
  border-radius: 2px;
}

/* ---------- Formulare ---------- */

form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { form .row { grid-template-columns: 1fr; } }

label.f { display: block; margin-top: 14px; font-size: 0.9rem; color: #4a4752; }
label.f b { color: var(--rot); }

input[type=text], input[type=email], input[type=password], select, textarea {
  width: 100%;
  padding: 11px 12px;
  margin-top: 5px;
  border: 1px solid #d8d5e0;
  border-radius: 7px;
  font: inherit;
  background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--magenta);
  outline-offset: 1px;
  border-color: transparent;
}

button[type=submit], .btn-submit {
  margin-top: 22px;
  padding: 13px 30px;
  background: var(--ink);
  color: var(--lime);
  border: none;
  border-radius: 8px;
  font-family: var(--font-head);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  cursor: pointer;
}
button[type=submit]:hover { background: #2a2733; }

.captcha-box {
  margin-top: 18px;
  padding: 16px;
  background: #f4f2f8;
  border: 1px dashed var(--grau);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.captcha-box img { border-radius: 6px; border: 1px solid #d8d5e0; background: #fff; }
.captcha-box input { max-width: 160px; }
.captcha-box a { font-size: 0.85rem; }

.form-msg { margin-top: 16px; padding: 12px 16px; border-radius: 8px; display: none; }
.form-msg.ok { display: block; background: #eef7d8; color: #3d5205; border: 1px solid var(--lime-dunkel); }
.form-msg.err { display: block; background: #ffe8e4; color: var(--rot-tief); border: 1px solid var(--rot-pastell); }

/* ---------- Footer ---------- */

footer.site {
  background: var(--ink-bg-dark);
  color: var(--grau);
  padding: 46px 0 32px;
  margin-top: 40px;
  font-size: 0.92rem;
}
footer.site .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
@media (max-width: 700px) { footer.site .cols { grid-template-columns: 1fr; } }
footer.site h3 { color: var(--paper); font-size: 0.9rem; margin-bottom: 12px; }
footer.site a { color: var(--grau); text-decoration: none; }
footer.site a:hover { color: var(--lime); }
footer.site ul { list-style: none; }
footer.site li { padding: 3px 0; }
footer.site .legal { margin-top: 34px; padding-top: 18px; border-top: 1px solid #2a2733; font-size: 0.8rem; color: var(--grau-mittel); }

/* ---------- Unterseiten ---------- */

.page-head {
  background: linear-gradient(120deg, rgba(182,0,2,0.08), rgba(192,0,188,0.08)), #fff;
  border-bottom: 1px solid #e9e7ee;
  padding: 46px 0 38px;
}
.page-head h1 { color: var(--ink); }
.page-head p { color: var(--grau-mittel); margin-top: 8px; max-width: 70ch; }

.prose { max-width: 76ch; }
.prose h2 { margin-top: 1.6em; }
.prose ul { margin: 0.7em 0 0.7em 1.3em; }

table.plain { border-collapse: collapse; width: 100%; margin-top: 18px; }
table.plain th, table.plain td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #e9e7ee; }
table.plain th { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--grau-mittel); }