/* =========================================================
   Förderverein TUMO Köln – Design System
   ========================================================= */

/* Schriften lokal eingebunden (keine Verbindung zu Google-Servern) */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-ext-400.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;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-400.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: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-ext-500.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;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-500.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: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-ext-600.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;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-600.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: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-ext-700.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;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-700.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: "Space Grotesk";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/space-grotesk-latin-ext-500.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;
}

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/space-grotesk-latin-500.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: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../assets/fonts/space-grotesk-latin-ext-700.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;
}

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../assets/fonts/space-grotesk-latin-700.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;
}

:root {
  --ink: #12121a;
  --ink-soft: #4a4a58;
  --paper: #faf9f6;
  --paper-alt: #f0eee8;
  --purple: #6c4cf5;
  --purple-deep: #3d2b8f;
  --pink: #ff4d94;
  --yellow: #ffcc33;
  --teal: #14ceb0;
  --line: rgba(18, 18, 26, 0.1);
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 18px 40px -18px rgba(18, 18, 26, 0.35);
  --container: 1160px;
  --ff-display: "Space Grotesk", "Segoe UI", sans-serif;
  --ff-body: "Inter", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--ff-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  line-height: 1.08;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }

p {
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 1em;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--purple-deep);
  background: #ede8ff;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pink);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 15px 28px;
  border-radius: 999px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  background: var(--purple);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-secondary:hover {
  transform: translateY(-2px);
  background: var(--ink);
  color: var(--paper);
}

.btn-light {
  background: var(--paper);
  color: var(--ink);
}
.btn-light:hover {
  transform: translateY(-2px);
  background: var(--yellow);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
}

/* Blur lives on a pseudo-element rather than .site-header itself: a
   backdrop-filter on an ancestor turns it into the containing block for
   position:fixed descendants, which would break the fixed mobile nav
   below (it would size itself against this 78px bar instead of the
   viewport and collapse to an invisible sliver). */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(250, 249, 246, 0.85);
  backdrop-filter: blur(10px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--purple), var(--pink) 60%, var(--yellow));
  position: relative;
  flex-shrink: 0;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 5px;
  background: var(--paper);
}

.brand small {
  display: block;
  font-family: var(--ff-body);
  font-weight: 500;
  font-size: 0.68rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding: 10px 16px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  background: var(--paper-alt);
  color: var(--ink);
}

.nav-cta {
  margin-left: 10px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }
  .main-nav {
    position: fixed;
    inset: 78px 0 0 0;
    background: var(--paper);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px 40px;
    gap: 4px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .main-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    box-shadow: var(--shadow);
  }
  .main-nav a {
    padding: 14px 12px;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }
  .nav-cta {
    margin: 14px 0 0;
  }
  .nav-cta .btn {
    width: 100%;
  }
}

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

.hero {
  position: relative;
  padding: 76px 0 100px;
  overflow: hidden;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.55;
  z-index: 0;
}
.hero-blob.b1 { width: 420px; height: 420px; background: var(--purple); top: -180px; right: -120px; }
.hero-blob.b2 { width: 320px; height: 320px; background: var(--yellow); bottom: -140px; left: -100px; opacity: 0.4; }
.hero-blob.b3 { width: 260px; height: 260px; background: var(--teal); top: 220px; right: 10%; opacity: 0.3; }

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
}

.hero h1 span {
  background: linear-gradient(100deg, var(--purple), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-size: 1.15rem;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 44px;
  flex-wrap: wrap;
}

.hero-stat strong {
  display: block;
  font-family: var(--ff-display);
  font-size: 1.8rem;
}

.hero-stat span {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.hero-card {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  position: relative;
}

.hero-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--pink);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero-card ul {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.hero-card li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 10px 12px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
}

.hero-card li em {
  font-style: normal;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-display);
  font-weight: 700;
  flex-shrink: 0;
}

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

section {
  padding: 88px 0;
}

.section-alt {
  background: var(--paper-alt);
}

.section-dark {
  background: var(--ink);
  color: var(--paper);
}
.section-dark p { color: rgba(250,249,246,0.72); }
.section-dark .eyebrow { background: rgba(255,255,255,0.1); color: var(--paper); }

.section-head {
  max-width: 720px;
  margin: 0 0 48px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------- Grids & Cards ---------- */

.grid {
  display: grid;
  gap: 24px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--line);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card .icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-display);
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.swatch-1 { background: var(--purple); }
.swatch-2 { background: var(--pink); }
.swatch-3 { background: var(--teal); }
.swatch-4 { background: #ff9d33; }

.field-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
  font-family: var(--ff-display);
}

.field-card .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---------- Timeline ---------- */

.timeline {
  position: relative;
  margin-top: 40px;
  padding-left: 28px;
  border-left: 2px solid var(--line);
  display: grid;
  gap: 36px;
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--purple);
  border: 3px solid var(--paper);
  box-shadow: 0 0 0 2px var(--purple);
}

.timeline-item .when {
  font-family: var(--ff-display);
  font-weight: 700;
  color: var(--purple-deep);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  display: block;
}

/* ---------- CTA banner ---------- */

.cta-banner {
  background: linear-gradient(120deg, var(--purple), var(--purple-deep));
  color: #fff;
  border-radius: var(--radius);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-banner h2 {
  margin: 0 0 6px;
}

.cta-banner p {
  color: rgba(255,255,255,0.8);
  margin: 0;
}

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

.site-footer {
  background: var(--ink);
  color: rgba(250,249,246,0.7);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

.footer-grid h4 {
  color: var(--paper);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.footer-grid a {
  text-decoration: none;
  color: rgba(250,249,246,0.65);
  font-size: 0.92rem;
}
.footer-grid a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.82rem;
}

/* ---------- Utility ---------- */

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.tag-pill {
  background: var(--paper-alt);
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.callout {
  background: #fff8e0;
  border: 1px solid #f3e0a0;
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  font-size: 0.95rem;
}
.callout strong { color: var(--ink); }

.page-hero {
  padding: 56px 0 20px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 820px) {
  .two-col { grid-template-columns: 1fr; }
}

table.legal {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
table.legal td {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.legal td:first-child {
  font-weight: 600;
  width: 220px;
  color: var(--ink);
}

.todo-flag {
  display: inline-block;
  background: var(--pink);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  margin-left: 8px;
  vertical-align: middle;
  text-transform: uppercase;
}