/* ═══════════════════════════════════════════════
   RunningSeminars – Shared Design System
   Naturgrün + Weiß + Orange
═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:wght@300;400;500;600&family=DM+Serif+Display:ital@0;1&display=swap');

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

:root {
  --black:   #0a1a0e;
  --white:   #f4f9f4;
  --sand:    #e2ede4;
  --clay:    #5fa85a;
  --orange:  #e05c2a;
  --dark:    #0d2010;
  --forest:  #133d18;
  --text:    #112214;
  --muted:   #5a7860;
  --serif:   'DM Serif Display', Georgia, serif;
  --sans:    'DM Sans', sans-serif;
  --display: 'Bebas Neue', sans-serif;
  --nav-h:   72px;
  --radius:  6px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--white);
  color: var(--text);
  overflow-x: hidden;
}

/* ── NAV ─────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  background: rgba(10,26,14,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-logo {
  font-family: var(--display); font-size: 1.5rem;
  letter-spacing: 0.08em; color: var(--white);
  text-decoration: none; display: flex; flex-direction: column; line-height: 1;
}
.nav-logo span {
  font-family: var(--sans); font-size: 0.6rem; font-weight: 300;
  letter-spacing: 0.25em; color: var(--clay); text-transform: uppercase; margin-top: 2px;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(245,249,245,0.7);
  text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--clay); }
.nav-cta {
  background: var(--orange) !important; color: var(--white) !important;
  padding: 0.5rem 1.2rem; border-radius: 2px;
}
.nav-cta:hover { background: #c94e20 !important; }
.nav-burger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.nav-burger span { display: block; width: 24px; height: 2px; background: var(--white); transition: all 0.3s; }

/* ── PAGE HEADER ─────────────────────── */
.page-header {
  padding-top: var(--nav-h);
  background: linear-gradient(135deg, var(--dark) 0%, var(--forest) 60%, #0a2a0e 100%);
  padding-bottom: 0; position: relative; overflow: hidden;
}
.page-header-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 80% at 80% 50%, rgba(30,120,50,0.3) 0%, transparent 60%);
  pointer-events: none;
}
.page-header-inner {
  position: relative; z-index: 2;
  padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 5vw, 4rem) clamp(2.5rem, 4vw, 4rem);
}
.breadcrumb {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.4); margin-bottom: 1.2rem;
}
.breadcrumb a { color: var(--clay); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: rgba(255,255,255,0.25); }
.page-eyebrow {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--clay); margin-bottom: 1rem;
}
.page-eyebrow::before { content: ''; display: block; width: 24px; height: 2px; background: var(--clay); }
.page-title {
  font-family: var(--display); font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 0.92; color: var(--white); letter-spacing: 0.02em;
}
.page-title em { font-family: var(--serif); font-style: italic; color: var(--clay); font-size: 0.85em; }
.page-subtitle {
  margin-top: 1.5rem; font-size: clamp(1rem, 1.3vw, 1.1rem);
  font-weight: 300; line-height: 1.7; color: rgba(245,249,245,0.6);
  max-width: 560px;
}
.page-header-strip {
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; gap: 0; margin-top: clamp(2rem,4vw,3.5rem);
}
.strip-stat {
  padding: 1.2rem clamp(1.5rem, 3vw, 2.5rem);
  border-right: 1px solid rgba(255,255,255,0.06);
}
.strip-stat:last-child { border-right: none; }
.strip-stat-num { font-family: var(--display); font-size: 1.8rem; color: var(--white); line-height: 1; }
.strip-stat-label { font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-top: 2px; }

/* ── SECTION HELPERS ─────────────────── */
section { padding: clamp(3.5rem, 7vw, 6rem) clamp(1.5rem, 5vw, 4rem); }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 1rem;
}
.section-eyebrow::before { content: ''; display: block; width: 24px; height: 2px; background: var(--orange); }
.section-title {
  font-family: var(--serif); font-size: clamp(1.8rem, 3.5vw, 3rem);
  line-height: 1.15; color: var(--text);
}
.section-title em { color: var(--orange); font-style: italic; }
.section-title.light { color: var(--white); }

/* ── BUTTONS ─────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: var(--orange); color: var(--white);
  font-family: var(--sans); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none;
  padding: 1rem 2rem; border-radius: 2px; border: none; cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: #c94e20; transform: translateY(-2px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent; color: rgba(245,249,245,0.7);
  font-family: var(--sans); font-size: 0.85rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none;
  padding: 1rem 1.5rem; border: 1px solid rgba(245,249,245,0.2);
  border-radius: 2px; cursor: pointer; transition: all 0.2s;
}
.btn-ghost:hover { border-color: var(--clay); color: var(--clay); }
.btn-ghost.dark {
  color: var(--text); border-color: rgba(17,34,20,0.2);
}
.btn-ghost.dark:hover { border-color: var(--orange); color: var(--orange); }

/* ── CARDS ───────────────────────────── */
.card {
  background: var(--white); border: 1px solid var(--sand);
  border-radius: var(--radius); padding: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.07); }
.card-tag {
  display: inline-block; font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  padding: 0.25rem 0.7rem; border-radius: 2px;
  background: rgba(224,92,42,0.1); color: var(--orange);
  margin-bottom: 1rem;
}
.card-tag.green { background: rgba(95,168,90,0.1); color: var(--clay); }

/* ── FOOTER ──────────────────────────── */
footer {
  background: var(--black); color: rgba(245,249,245,0.5);
  padding: 3rem clamp(1.5rem, 5vw, 4rem);
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-brand { font-family: var(--display); font-size: 1.1rem; letter-spacing: 0.1em; color: var(--white); margin-bottom: 0.4rem; }
.footer-tagline { font-size: 0.75rem; color: var(--muted); }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { font-size: 0.75rem; color: var(--muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--clay); }

/* ── ANIMATIONS ──────────────────────── */
@keyframes fadeUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
.animate { opacity:0; transform:translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate.visible { opacity:1; transform:translateY(0); }

/* ── RESPONSIVE ──────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}