:root {
  --black: #161616;
  --off-white: #f3f1ed;
  --white: #ffffff;
  --orange: #f05a14;
  --text: #1c1c1c;
  --max: 1180px;
  --gap: clamp(1.5rem, 4vw, 4rem);
  --radius: 2px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2.5rem);
}

a { color: inherit; }

h1, h2, h3 {
  font-family: "Archivo Black", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  display: inline-block;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.9em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95em 1.9em;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-orange { background: var(--orange); color: var(--white); }
.btn-orange:hover { background: #d34a0a; }

.btn-outline-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.55); }
.btn-outline-light:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

.btn-outline-dark { background: transparent; color: var(--black); border-color: rgba(22,22,22,0.4); }
.btn-outline-dark:hover { border-color: var(--black); }

.btn-dark { background: var(--black); color: var(--white); }
.btn-dark:hover { background: #000; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

/* ============ HEADER / NAV ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(22,22,22,0.0);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(22,22,22,0.92);
  backdrop-filter: blur(6px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  font-family: "Archivo Black", sans-serif;
  color: var(--white);
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.logo span { color: var(--orange); }

.main-nav { display: flex; gap: 2rem; }
.main-nav a {
  color: var(--white);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  opacity: 0.9;
}
.main-nav a:hover { opacity: 1; color: var(--orange); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px; height: 40px;
  position: relative;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: "";
  position: absolute;
  left: 8px; right: 8px;
  height: 2px;
  background: var(--white);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle::before { top: 13px; }
.nav-toggle span { top: 19px; }
.nav-toggle::after { top: 25px; }
.nav-toggle.open::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open::after { transform: translateY(-6px) rotate(-45deg); }
.nav-toggle.open span { opacity: 0; }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}
.hero picture, .hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.15) 38%, rgba(10,10,10,0.05) 55%, rgba(10,10,10,0.65) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 76px;
  max-width: 620px;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  text-shadow: 0 2px 24px rgba(0,0,0,0.35);
}
.hero h1 .accent { color: var(--orange); }
.hero .claim {
  margin-top: 1.1rem;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  max-width: 30ch;
  text-shadow: 0 1px 12px rgba(0,0,0,0.4);
}

/* ============ SECTIONS ============ */
section { position: relative; }

.section-pad { padding: clamp(4rem, 9vw, 7rem) 0; }

.bg-off { background: var(--off-white); }
.bg-dark { background: var(--black); color: var(--white); }

/* Simple centered text section (Warum jetzt) */
.text-only {
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
}
.text-only p { font-size: clamp(1.05rem, 1.6vw, 1.25rem); }
.text-only p.lead { font-weight: 700; }
.text-only p.emph {
  font-weight: 700;
  color: var(--black);
  border-left: 3px solid var(--orange);
  padding-left: 1rem;
}

/* Split layout: image + text */
.split {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--gap);
  align-items: center;
}
.split.reverse .split-media { order: 2; }
.split.reverse .split-text { order: 1; }
.split-media img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); }
.split-media { align-self: stretch; }
.split-media.ratio img { aspect-ratio: 4/5; }

.split h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); margin-bottom: 0.6rem; }
.split .kicker { font-family: "Archivo Black", sans-serif; font-size: clamp(2.2rem,4vw,3rem); color: var(--black); display:block; margin-bottom: 0.15em; }
.split p { font-size: 1.05rem; }
.split .closing {
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  margin-top: 1rem;
  color: var(--black);
}

/* 7 Spaces */
.spaces-intro { max-width: 700px; margin: 0 auto 2.5rem; text-align: center; }
.spaces-collage { margin: 0 auto 2.5rem; max-width: 100%; }
.spaces-collage img { width: 100%; border-radius: var(--radius); }
.spaces-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem 3rem;
  max-width: 980px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}
.spaces-list li {
  font-size: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(22,22,22,0.1);
}
.spaces-list b { color: var(--black); font-weight: 800; }

/* Book / Guide product blocks */
.product {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: var(--gap);
  align-items: center;
}
.product.reverse { grid-template-columns: 1.25fr 1fr; }
.product.reverse .product-media { order: 2; }
.product.reverse .product-text { order: 1; }
.product-media img { width: 100%; border-radius: var(--radius); }
.product-text h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 0.5rem; }
.product-text .title-line { display: block; font-size: 1.05rem; font-weight: 700; margin-bottom: 0.9rem; }
.product-text p { font-size: 1.05rem; }

/* Schule & Lehre */
.duo-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.duo-images figure { margin: 0; position: relative; }
.duo-images img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius); }
.duo-images figcaption {
  position: absolute;
  bottom: 0.7rem; left: 0.7rem;
  background: rgba(22,22,22,0.75);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3em 0.7em;
  text-transform: uppercase;
}
.duo-text { max-width: 780px; margin: 0 auto; text-align: left; }
.duo-text h2 { font-size: clamp(1.8rem,3vw,2.4rem); margin-bottom: 0.3em; }
.duo-text .sub { font-size: 1.1rem; font-weight: 600; margin-bottom: 1em; }
.duo-questions {
  list-style: none;
  padding: 0;
  margin: 1em 0 0;
  display: grid;
  gap: 0.5rem;
}
.duo-questions li {
  font-size: 1.05rem;
  font-weight: 600;
  padding-left: 1.1em;
  position: relative;
}
.duo-questions li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--orange);
}

/* Author */
.author-figure img { width: 100%; border-radius: var(--radius); }
.author-caption { max-width: 780px; margin: 2rem auto 0; text-align: left; }
.author-caption h2 { font-size: clamp(1.6rem,2.8vw,2.1rem); margin-bottom: 0.6rem; }
.author-caption p { font-size: 1.05rem; }
.author-stance {
  margin-top: 1.2rem;
  padding-left: 1rem;
  border-left: 3px solid var(--orange);
}
.author-stance p { margin: 0; font-weight: 700; }

/* Final CTA */
.final-cta { text-align: center; }
.final-cta h2 { font-size: clamp(2rem, 5vw, 3rem); }
.final-cta .claim { font-size: clamp(1.1rem, 2vw, 1.4rem); margin-top: 0.8rem; font-weight: 600; }
.final-cta .cta-row { justify-content: center; }

/* Footer */
.site-footer {
  background: var(--black);
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  padding: 1.6rem 0 2.2rem;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.site-footer a { color: rgba(255,255,255,0.75); text-decoration: none; }
.site-footer a:hover { color: var(--white); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: block; }

  .main-nav.mobile-open {
    display: flex;
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: rgba(15,15,15,0.98);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0 1.2rem;
  }
  .main-nav.mobile-open a {
    padding: 0.9rem clamp(1.25rem, 5vw, 2.5rem);
  }

  .split, .split.reverse,
  .product, .product.reverse {
    grid-template-columns: 1fr;
  }
  .split-media, .split.reverse .split-media,
  .product-media, .product.reverse .product-media {
    order: -1 !important;
  }
  .split-media.ratio img { aspect-ratio: 16/10; }

  .spaces-list { grid-template-columns: 1fr; }
  .duo-images { grid-template-columns: 1fr; }

  .cta-row { flex-direction: column; align-items: stretch; }
  .cta-row .btn { width: 100%; }
}

@media (max-width: 480px) {
  .hero-content { max-width: 100%; }
}