/* ============================================================
   ESSENTIALS CONCEPT — SPUR 2 · KARSTEN-STIMME
   Wärmer · Dichter · Persönlicher
   Cream-Hero mit Orange-Akzent · asymmetrische Grids · enge Vertikalrhythmik
   ============================================================ */

@font-face { font-family: 'Fieldwork'; src: url('fonts/Fieldwork4-GeoThin.otf') format('opentype'); font-weight: 100; font-display: swap; }
@font-face { font-family: 'Fieldwork'; src: url('fonts/Fieldwork7-GeoLight.otf') format('opentype'); font-weight: 300; font-display: swap; }
@font-face { font-family: 'Fieldwork'; src: url('fonts/Fieldwork10-GeoRegular.otf') format('opentype'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Fieldwork'; src: url('fonts/Fieldwork16-GeoBold.otf') format('opentype'); font-weight: 700; font-display: swap; }

:root {
  --navy:    #0F1A3A;
  --navy-2:  #1A2E5A;
  --navy-3:  #2A3F6A;
  --orange:  #E85A1E;
  --orange-2:#C84A12;
  --bg:      #F0EDE8;
  --bg-2:    #E8E3DC;
  --bg-warm: #EDE5D8;
  --white:   #FFFFFF;
  --muted:   rgba(15,26,58,0.50);
  --border:  rgba(15,26,58,0.14);
  --border-w: rgba(255,255,255,0.16);
  --pad:     clamp(1.4rem, 4.5vw, 4rem);
  --vpad:    clamp(4.5rem, 9vw, 8rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  font-family: 'Fieldwork', -apple-system, sans-serif;
  font-weight: 300;
  background: var(--bg);
  color: var(--navy);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
em { font-style: italic; font-weight: 300; }
strong { font-weight: 700; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.4rem var(--pad);
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(240,237,232,0.0);
  transition: background 0.4s ease, padding 0.3s ease;
}
nav.is-scrolled {
  background: rgba(240,237,232,0.96);
  backdrop-filter: blur(14px);
  padding: 1rem var(--pad);
  border-bottom: 1px solid var(--border);
}
.nav-logo { height: 22px; }
.nav-logo-w { display: none; }
.nav-logo-d { display: block; }
.nav-cta {
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  background: var(--orange); color: var(--white);
  padding: 0.7rem 1.2rem;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--navy); }

/* ============================================================
   HERO — Cream mit Orange-Block links · Asymmetrisch
   ============================================================ */
.hero {
  min-height: 100vh;
  background: var(--bg-warm);
  color: var(--navy);
  padding: var(--pad);
  display: flex; flex-direction: column;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: clamp(160px, 22vw, 320px);
  height: clamp(160px, 22vw, 320px);
  background: var(--orange);
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  right: -120px; top: -120px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: var(--navy);
  opacity: 0.04;
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }

.hero-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-top: 4.4rem;
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--navy); opacity: 0.55; font-weight: 700;
}
.hero-main { flex: 1; display: flex; align-items: center; margin: 3rem 0 1.5rem; }
.hero-h1 {
  font-weight: 100;
  font-size: clamp(2.5rem, 8vw, 7.4rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  max-width: 16ch;
  color: var(--navy);
}
.hero-h1 em { color: var(--orange); font-style: normal; font-weight: 300; }

.hero-foot {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 2rem; align-items: end;
  padding-top: 2rem;
  border-top: 2px solid var(--navy);
}
.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.22rem);
  font-weight: 300; line-height: 1.5;
  max-width: 42ch; color: var(--navy);
}
.hero-sub em { color: var(--orange); font-style: normal; font-weight: 400; }
.hero-meta {
  text-align: right;
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--navy); opacity: 0.6; line-height: 1.8; font-weight: 700;
}
@media (max-width: 700px) {
  .hero-foot { grid-template-columns: 1fr; gap: 1.4rem; }
  .hero-meta { text-align: left; }
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: var(--vpad) var(--pad);
  position: relative;
  border-top: 1px solid var(--border);
}
.section.light { background: var(--bg); }
.section.dark { background: var(--navy); color: var(--white); border-top-color: rgba(255,255,255,0.10); }

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(140px, 1.2fr) 9fr;
  gap: clamp(1.5rem, 4vw, 4rem);
}
.section.dark .section-num,
.section.dark .section-eyebrow { color: var(--orange); }
.section.dark .section-h2 { color: var(--white); }
.section.dark .section-p { color: rgba(255,255,255,0.86); }
.section.dark .section-p em { color: var(--orange); }

.section-num {
  font-size: clamp(2.2rem, 4.5vw, 4.2rem);
  font-weight: 100;
  letter-spacing: -0.03em;
  color: var(--orange);
  line-height: 0.95;
  padding-top: 0.4rem;
}
.section-num::after {
  content: '';
  display: block;
  width: 32px; height: 2px;
  background: var(--orange);
  margin-top: 1rem;
}
.section-body { max-width: 880px; }
.section-eyebrow {
  font-size: 0.74rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--orange); font-weight: 700; margin-bottom: 1.1rem;
}
.section-h2 {
  font-weight: 100;
  font-size: clamp(1.7rem, 3.6vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.018em;
  margin-bottom: 1.8rem;
  max-width: 22ch;
}
.section-p {
  font-size: clamp(1.02rem, 1.35vw, 1.18rem);
  font-weight: 300; line-height: 1.6;
  margin-bottom: 1.2rem;
  max-width: 58ch;
}
.section-p:last-child { margin-bottom: 0; }
.section-p em { color: var(--orange); font-style: normal; font-weight: 400; }
@media (max-width: 800px) {
  .section-inner { grid-template-columns: 1fr; gap: 1.4rem; }
  .section-num { font-size: 2.4rem; padding-top: 0; }
}

/* SPLIT */
.section.split .section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: center;
}
.section.split .section-grid.reverse { direction: rtl; }
.section.split .section-grid.reverse > * { direction: ltr; }
.section-img {
  width: 100%;
  aspect-ratio: 4/5;
  background-color: var(--navy-2);
  background-size: cover;
  background-position: center;
  background-image: url('assets/placeholder.svg');
  position: relative;
}
@media (max-width: 800px) {
  .section.split .section-grid { grid-template-columns: 1fr; }
  .section.split .section-grid.reverse { direction: ltr; }
  .section-img { aspect-ratio: 16/10; max-height: 55vh; }
}

/* WELLE */
.welle {
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  text-align: center;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.welle img { max-width: 1000px; width: 100%; height: auto; display: block; margin: 0 auto; }

/* TRIPLETS */
.triplets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  margin-top: 2.4rem;
}
.triplet-img {
  width: 100%;
  aspect-ratio: 5/4;
  background-color: var(--navy-2);
  background-image: url('assets/placeholder.svg');
  background-size: cover;
  background-position: center;
  margin-bottom: 1.2rem;
}
.triplet-h {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
  border-left: 3px solid var(--orange);
  padding: 0 0 0 0.9rem;
}
.triplet-p { font-size: 0.98rem; font-weight: 300; line-height: 1.55; opacity: 0.88; }
@media (max-width: 800px) { .triplets { grid-template-columns: 1fr; gap: 1.8rem; } }

/* FOUNDERS */
.founders-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.6rem, 3.5vw, 3.5rem);
  margin-top: 2.2rem;
}
.founder-card {
  display: flex; flex-direction: column;
  padding: 1.6rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.10);
}
.founder-img {
  width: 100%;
  aspect-ratio: 4/5;
  background-color: var(--navy-2);
  background-image: url('assets/placeholder.svg');
  background-size: cover;
  background-position: center;
  margin-bottom: 1.3rem;
}
.founder-name {
  font-size: 1.4rem; font-weight: 700; letter-spacing: -0.01em;
  margin-bottom: 0.2rem; color: var(--white);
}
.founder-title {
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--orange); font-weight: 700; margin-bottom: 1rem;
}
.founder-p { font-size: 1rem; font-weight: 300; line-height: 1.55; color: rgba(255,255,255,0.85); }
.founders-foot {
  margin-top: 2.4rem;
  font-size: clamp(1.15rem, 1.7vw, 1.5rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  border-left: 4px solid var(--orange);
  padding: 0.4rem 0 0.4rem 1.4rem;
  max-width: 50ch;
}
.founders-foot em { color: var(--orange); font-style: normal; }
@media (max-width: 800px) { .founders-block { grid-template-columns: 1fr; } }

/* WORKSHOPS */
.workshops {
  background: var(--bg);
  padding: var(--vpad) var(--pad);
  border-top: 1px solid var(--border);
}
.workshops-inner { max-width: 1280px; margin: 0 auto; }
.workshops-head {
  display: grid;
  grid-template-columns: minmax(140px, 1.2fr) 9fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  margin-bottom: 3rem;
}
.workshops-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.workshops-grid .ws-card.feature { grid-column: span 3; }
.ws-card {
  background: var(--white);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  display: flex; flex-direction: column;
  position: relative;
  overflow: hidden;
}
.ws-card-img {
  width: 100%;
  aspect-ratio: 5/3;
  background-color: var(--navy-2);
  background-size: cover;
  background-position: center;
  background-image: url('assets/placeholder.svg');
}
.ws-card-content {
  padding: 1.4rem;
  display: flex; flex-direction: column;
  flex: 1;
  min-height: 190px;
}
.ws-card:hover {
  border-color: var(--orange);
  box-shadow: 0 8px 32px rgba(232,90,30,0.18);
}
.ws-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1);
}
.ws-card:hover::before { transform: scaleX(1); }
.ws-card-num {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 700;
  margin-bottom: 1rem;
}
.ws-card-h {
  font-size: clamp(1.2rem, 1.7vw, 1.5rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 0.9rem;
  line-height: 1.2;
}
.ws-card-p {
  font-size: 0.94rem;
  font-weight: 300;
  line-height: 1.5;
  opacity: 0.78;
  margin-bottom: auto;
  padding-bottom: 1.2rem;
}
.ws-card-foot {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
}
.ws-card-arrow { color: var(--orange); font-weight: 700; }
.ws-card.feature {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.ws-card.feature .ws-card-num,
.ws-card.feature .ws-card-foot,
.ws-card.feature .ws-card-arrow { color: var(--orange); }
.ws-card.feature .ws-card-p { color: rgba(255,255,255,0.78); }
.ws-card.feature .ws-card-foot { border-top-color: rgba(255,255,255,0.18); }
@media (max-width: 1000px) {
  .workshops-grid { grid-template-columns: repeat(2, 1fr); }
  .workshops-grid .ws-card.feature { grid-column: span 2; }
}
@media (max-width: 600px) {
  .workshops-grid { grid-template-columns: 1fr; }
  .workshops-grid .ws-card.feature { grid-column: span 1; }
}
@media (max-width: 800px) { .workshops-head { grid-template-columns: 1fr; } }

/* SIDE-SHEET */
.ws-sheet-overlay {
  position: fixed; inset: 0;
  background: rgba(15,26,58,0.6);
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 200;
}
.ws-sheet-overlay.open { opacity: 1; visibility: visible; }
.ws-sheet {
  position: fixed;
  top: 0; right: 0;
  width: min(640px, 92vw);
  height: 100vh;
  background: var(--bg);
  z-index: 201;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 4vw, 3.5rem) 3.5rem;
}
.ws-sheet.open { transform: translateX(0); }
.ws-sheet-close {
  position: absolute;
  top: 1.4rem; right: clamp(1.5rem, 4vw, 3.5rem);
  width: 38px; height: 38px;
  border: 1px solid var(--border);
  background: transparent;
  font-size: 1.1rem; cursor: pointer;
  color: var(--navy);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.ws-sheet-close:hover { background: var(--orange); color: var(--white); border-color: var(--orange); }
.ws-sheet-num {
  font-size: 0.74rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--orange); font-weight: 700; margin-bottom: 1rem;
  margin-top: 1.2rem;
}
.ws-sheet-h {
  font-weight: 100;
  font-size: clamp(1.7rem, 3.3vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.018em;
  margin-bottom: 1.6rem;
}
.ws-sheet-lead {
  font-size: 1.12rem; font-weight: 300; line-height: 1.5;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 1.6rem;
  max-width: 56ch;
}
.ws-sheet-block { margin-bottom: 1.6rem; }
.ws-sheet-block-h {
  font-size: 0.74rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--orange); font-weight: 700; margin-bottom: 0.6rem;
}
.ws-sheet-block-body p { font-size: 0.98rem; font-weight: 300; line-height: 1.55; margin-bottom: 0.5rem; }
.ws-sheet-block-body ul { list-style: none; padding: 0; }
.ws-sheet-block-body li {
  font-size: 0.98rem; font-weight: 300; line-height: 1.55;
  padding-left: 1.2rem; position: relative; margin-bottom: 0.35rem;
}
.ws-sheet-block-body li::before {
  content: '—';
  position: absolute; left: 0;
  color: var(--orange); font-weight: 700;
}
.ws-sheet-cta {
  margin-top: 1.8rem;
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 1rem 2.2rem;
  transition: background 0.2s;
}
.ws-sheet-cta:hover { background: var(--navy); }

/* CTA — Cream, asymmetrisch, mit Bild rechts */
.cta {
  background: var(--bg-warm);
  color: var(--navy);
  padding: var(--vpad) var(--pad);
  text-align: left;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  right: 0; top: 0;
  width: 50%; height: 100%;
  background-image: url('assets/img_cta.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 0;
}
.cta::after {
  content: '';
  position: absolute;
  right: 0; top: 0;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, var(--bg-warm) 0%, transparent 70%);
  z-index: 0;
}
.cta-inner {
  max-width: 720px; margin: 0 auto 0 auto;
  position: relative; z-index: 1;
  margin-left: max(0px, calc((100% - 1280px) / 2));
}
.cta-eyebrow {
  font-size: 0.74rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--orange); font-weight: 700; margin-bottom: 1.4rem;
}
.cta-h {
  font-weight: 100; font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.08; letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
  color: var(--navy);
}
.cta-p { font-size: 1.12rem; font-weight: 300; max-width: 50ch; margin-bottom: 2.4rem; line-height: 1.55; }
.cta-button {
  display: inline-block;
  background: var(--orange); color: var(--white);
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 1.2rem 2.6rem;
  transition: background 0.2s, transform 0.2s;
  box-shadow: 0 4px 14px rgba(232,90,30,0.3);
}
.cta-button:hover { background: var(--navy); transform: translateY(-2px); }

/* FOOTER */
footer { background: var(--navy); color: var(--white); padding: 2.6rem var(--pad) 1.8rem; font-size: 0.76rem; }
.foot-inner { max-width: 1280px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.4rem; }
.foot-logo { height: 18px; opacity: 0.85; }
.foot-meta { opacity: 0.55; letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.68rem; }
.foot-links { display: flex; gap: 1.6rem; list-style: none; }
.foot-links a { opacity: 0.65; letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.68rem; transition: opacity 0.2s, color 0.2s; }
.foot-links a:hover { opacity: 1; color: var(--orange); }