:root {
  --paper: #f4f5f1;
  --white: #ffffff;
  --ink: #111512;
  --muted: #5e665f;
  --green: #009640;
  --green-dark: #006f32;
  --forest: #10231a;
  --forest-soft: #183326;
  --line: #d7ddd7;
  --shadow: 0 22px 55px rgba(10, 28, 19, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Aptos, "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.58; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }

.site-header {
  position: absolute; inset: 0 0 auto; z-index: 20;
  min-height: 100px; padding: 14px max(28px, calc((100vw - 1160px) / 2));
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
  color: #fff; border-bottom: 1px solid rgba(255,255,255,.24);
  background: linear-gradient(180deg, rgba(8,20,14,.7), rgba(8,20,14,.12));
}
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand-logo { display: block; width: 166px; height: auto; }
nav { display: flex; align-items: center; gap: 30px; }
nav a { color: #fff; text-decoration: none; font-size: .86rem; font-weight: 700; }
nav a:hover { color: #8fe0a7; }

.button, .secondary-button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 13px 22px; border-radius: 6px;
  font-weight: 800; text-decoration: none; cursor: pointer;
}
.button { border: 1px solid var(--green); color: #fff; background: var(--green); box-shadow: 0 10px 24px rgba(0,150,64,.2); }
.button:hover { border-color: var(--green-dark); background: var(--green-dark); }
.button-small { min-height: 42px; padding: 10px 17px; }
.secondary-button { border: 1px solid var(--green); color: var(--green-dark); background: transparent; }
.secondary-button:hover { color: #fff; background: var(--green); }
button:disabled { cursor: wait; opacity: .65; }

.hero {
  position: relative; min-height: 760px; padding: 155px max(28px, calc((100vw - 1160px) / 2)) 90px;
  display: grid; grid-template-columns: 1fr; align-items: center;
  color: #fff; background:
    linear-gradient(90deg, rgba(7,22,14,.9) 0%, rgba(7,22,14,.7) 50%, rgba(7,22,14,.36) 100%),
    url("assets/quartier-modernisiert.webp") center/cover no-repeat;
}
.hero:after { content: ""; position: absolute; inset: auto 0 0; height: 130px; background: linear-gradient(0deg, rgba(8,22,14,.35), transparent); pointer-events: none; }
.hero-copy, .hero-card { position: relative; z-index: 1; }
.hero-copy { max-width: 880px; }
.eyebrow { margin: 0 0 15px; color: var(--green); font-size: .76rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.hero .eyebrow { color: #a9efbc; }
.hero h1, .section h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 400; line-height: 1.03; letter-spacing: -.02em; }
.hero h1 { max-width: 810px; color: #fff; font-size: clamp(3.5rem, 6vw, 5.25rem); }
.hero h1 span { color: #35cf70; }
.lead { max-width: 730px; margin: 27px 0 0; color: rgba(255,255,255,.9); font-size: 1.18rem; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin: 34px 0; }
.text-link { color: #fff; font-weight: 800; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.55); }
.trust-list { display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 0; padding: 22px 0 0; border-top: 1px solid rgba(255,255,255,.28); list-style: none; color: rgba(255,255,255,.85); font-size: .83rem; font-weight: 700; }
.hero-card { padding: 34px; border: 1px solid rgba(255,255,255,.28); border-radius: 8px; background: rgba(12,35,24,.88); box-shadow: var(--shadow); backdrop-filter: blur(6px); }
.card-kicker { margin: 0; color: #9ce9b2; font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.metric { padding: 19px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.metric strong { display: block; font: 400 2.65rem/1 Georgia, serif; }
.metric span { color: rgba(255,255,255,.72); font-size: .82rem; }
.metric.accent strong, .savings strong { color: #52d882; }
.savings { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 24px 0; }
.savings strong { font-size: 2.3rem; }
.fineprint { margin: 0; color: rgba(255,255,255,.66); font-size: .75rem; }

.proof-strip { padding: 23px max(28px, calc((100vw - 1160px) / 2)); color: #fff; background: var(--green); text-align: center; }
.proof-strip p { margin: 0; }
.section { padding: 116px max(28px, calc((100vw - 1160px) / 2)); }
.explainer { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: center; background: #fff; }
.explainer-copy > p:not(.eyebrow) { color: var(--muted); }
.explainer-video { display: block; width: 100%; border-radius: 8px; background: #0a1710; box-shadow: var(--shadow); }
.check-points.light { color: var(--muted); }
.section-heading { max-width: 840px; margin-bottom: 48px; }
.section-heading.compact { margin-bottom: 36px; }
.section h2 { color: var(--ink); font-size: clamp(2.55rem, 4.5vw, 3.65rem); }
.section-heading > p:last-child { margin: 21px 0 0; color: var(--muted); font-size: 1.1rem; }

.cards, .example-grid, .pricing-grid { display: grid; gap: 22px; }
.cards.three, .example-grid { grid-template-columns: repeat(3, 1fr); }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.cards article, .example-card, .pricing-grid article { background: #fff; border: 1px solid var(--line); }
.cards article { padding: 32px; border-top: 4px solid var(--green); }
.number { color: var(--green); font-size: .78rem; font-weight: 900; letter-spacing: .12em; }
.cards h3, .difference h3, .example-card h3, .pricing-grid h3 { margin: 16px 0 9px; color: var(--ink); font-size: 1.3rem; }
.cards p, .difference p { margin: 0; color: var(--muted); }

.audience { background: #fff; }
.pill-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-grid span { padding: 13px 18px; border: 1px solid var(--line); border-radius: 4px; color: var(--forest); background: var(--paper); font-weight: 700; }
.eligibility-note { max-width: 1000px; margin: 28px 0 0; padding: 4px 0 4px 18px; border-left: 4px solid var(--green); color: var(--muted); }

.examples { background: var(--paper); }
.example-card { display: flex; flex-direction: column; padding: 30px; border-radius: 6px; box-shadow: 0 8px 28px rgba(16,35,26,.05); }
.example-card.featured { border-top: 5px solid var(--green); }
.example-label { align-self: flex-start; padding: 6px 10px; color: var(--green-dark); background: #e8f5ec; border-radius: 3px; font-size: .7rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.example-card dl { margin: 0; }
.example-card dl div { display: flex; justify-content: space-between; gap: 18px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.example-card dt { color: var(--muted); }
.example-card dd { margin: 0; color: var(--ink); font-weight: 800; text-align: right; }
.example-result { margin-top: 22px; padding: 18px; border-left: 4px solid var(--green); background: #ecf6ef; }
.example-result.neutral { background: #f0f1ed; }
.example-result strong, .example-result span { display: block; }
.example-result strong { color: var(--forest); font: 400 1.45rem Georgia, serif; }
.example-result span { margin-top: 4px; color: var(--muted); font-size: .78rem; }
.fineprint-dark { margin: auto 0 0; padding-top: 18px; color: var(--muted); font-size: .75rem; }

.check-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; color: #fff; background: var(--forest); }
.check-section h2 { color: #fff; }
.check-copy > p:not(.eyebrow), .check-points { color: rgba(255,255,255,.76); }
.check-points { padding-left: 19px; }
.calculator, .inquiry-form { padding: 34px; border-radius: 7px; color: var(--ink); background: #fff; box-shadow: var(--shadow); }
label { display: block; color: var(--ink); font-size: .85rem; font-weight: 700; }
label span { float: right; color: var(--muted); }
input, select, textarea { width: 100%; margin: 7px 0 18px; padding: 13px; border: 1px solid #bfc8c0; border-radius: 4px; color: var(--ink); background: #fff; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(0,150,64,.18); border-color: var(--green); }
textarea { resize: vertical; }
.calculator .button { width: 100%; }
.result { margin-top: 18px; padding: 18px; border-left: 4px solid var(--green); background: #edf5ef; }
.result strong { display: block; color: var(--forest); font: 400 2rem Georgia, serif; }
.result.status-medium { border-color: #cf9e24; background: #fff5d9; }
.result.status-high { border-color: #707a72; background: #f0f2f0; }
.result.status-low { border-color: var(--green); background: #e8f5ec; }
.consumption-estimate { margin-top: 16px; padding: 18px; border: 1px solid #a9c9b1; border-radius: 5px; background: #f6fbf7; }
.consumption-estimate > strong { display: block; margin-bottom: 12px; color: var(--forest); }
.estimate-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.estimate-grid div { padding: 10px 8px; background: #fff; text-align: center; }
.estimate-grid span, .estimate-grid b { display: block; }
.estimate-grid span { float: none; color: var(--muted); font-size: .74rem; }
.estimate-grid b { margin-top: 3px; color: var(--green-dark); font-size: 1.1rem; }
.consumption-estimate small, .calculator-note { display: block; margin-top: 10px; color: var(--muted); font-size: .73rem; }
.scenario-table { margin-top: 16px; border: 1px solid var(--line); border-radius: 5px; overflow: hidden; }
.scenario-row { display: grid; grid-template-columns: 1fr 1fr 1.25fr; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: .82rem; }
.scenario-row:last-child { border-bottom: 0; }
.scenario-row.header { color: var(--forest); background: #edf1ed; font-weight: 800; }
.scenario-row span:last-child { text-align: right; font-weight: 800; }
.calculator .secondary-button { width: 100%; margin-top: 14px; }

.pricing { background: #fff; }
.pricing-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pricing-grid article { position: relative; display: flex; flex-direction: column; padding: 28px 24px; border-radius: 6px; }
.pricing-grid article.recommended { border: 2px solid var(--green); box-shadow: 0 12px 32px rgba(0,150,64,.12); }
.price-step, .timeline > li > span { display: grid; place-items: center; width: 33px; height: 33px; color: #fff; background: var(--green); border-radius: 50%; font-weight: 900; }
.price { margin: 0 0 18px; }
.price strong, .price span { display: block; }
.price strong { color: var(--green-dark); font: 400 1.8rem Georgia, serif; }
.price span, .credit, .pricing-note { color: var(--muted); font-size: .78rem; }
.pricing-grid ul { margin: 0 0 20px; padding-left: 18px; color: #405047; font-size: .84rem; }
.pricing-grid li { margin-bottom: 7px; }
.credit { margin: auto 0 0; }
.price-link { display: flex; margin-top: auto; }
.pricing-note { max-width: 950px; margin: 24px 0 0; }

.process { background: var(--paper); }
.deliverables { background: #fff; }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin: 0; padding: 0; list-style: none; }
.timeline li { padding: 24px 18px; border-top: 4px solid var(--green); background: #fff; box-shadow: 0 6px 20px rgba(16,35,26,.06); }
.timeline h3 { margin: 18px 0 8px; color: var(--ink); font-size: 1.08rem; }
.timeline p { margin: 0; color: var(--muted); font-size: .88rem; }

.difference { display: grid; grid-template-columns: .78fr 1.22fr; gap: 72px; color: #fff; background: var(--forest); }
.hero > *, .check-section > *, .difference > *, .inquiry > * { min-width: 0; }
.difference h2 { color: #fff; }
.difference-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.difference article { padding-left: 18px; border-left: 3px solid var(--green); }
.difference h3 { margin-top: 0; color: #fff; }
.difference p { color: rgba(255,255,255,.72); }

.portfolio { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: center; background: #e8f5ec; }
.portfolio h2 { max-width: 720px; }
.portfolio-copy > p:not(.eyebrow) { max-width: 720px; color: var(--muted); }
.portfolio-copy .button { margin-top: 18px; }
.portfolio-list { display: grid; gap: 12px; }
.portfolio-list div { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: center; padding: 18px; background: #fff; box-shadow: 0 8px 24px rgba(16,35,26,.06); }
.portfolio-list strong { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: #fff; background: var(--green); }
.portfolio-list span { color: var(--forest); font-weight: 700; }

.faq { background: #fff; }
.faq details { max-width: 900px; padding: 19px 0; border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
summary { color: var(--ink); font-weight: 800; cursor: pointer; }
.faq details p { color: var(--muted); }

.inquiry { display: grid; grid-template-columns: .7fr 1.3fr; gap: 72px; background: var(--paper); }
.contact { margin-top: 30px; }
.contact a { color: var(--green-dark); }
.expert { margin-top: 24px; padding: 3px 0 3px 16px; border-left: 3px solid var(--green); color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.wide { grid-column: 1 / -1; }
.document-upload { margin: 4px 0 20px; padding: 22px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); }
.document-upload legend { padding: 0 8px; color: var(--forest); font: 400 1.3rem Georgia, serif; }
.document-upload > p { margin: 0 0 16px; color: var(--muted); font-size: .84rem; }
.drop-zone { position: relative; display: grid; place-items: center; gap: 5px; min-height: 130px; padding: 22px; border: 2px dashed #86a98e; border-radius: 5px; background: #fff; text-align: center; cursor: pointer; }
.drop-zone:hover, .drop-zone.has-files { border-color: var(--green); background: #edf7f0; }
.drop-zone strong { color: var(--forest); font-size: 1rem; }
.drop-zone span { float: none; color: var(--muted); font-weight: 400; }
.drop-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; }
.document-list { display: grid; gap: 8px; margin: 14px 0; }
.document-item { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 4px; background: #fff; font-size: .78rem; }
.document-item strong { color: var(--forest); }
.document-item span { color: var(--green-dark); font-weight: 800; }
.extraction-info { padding: 16px 18px; border-left: 4px solid var(--green); background: #eaf5ed; }
.extraction-info strong { color: var(--forest); }
.extraction-info ul { margin: 9px 0 0; padding-left: 18px; color: #405047; font-size: .78rem; }
.document-upload .upload-note, .form-note { margin: 14px 0 0; color: var(--muted); font-size: .73rem; }
.consent { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 20px; font-weight: 400; }
.consent input { width: auto; margin: 5px 0 0; }
.submission-status { display: grid; gap: 5px; margin-top: 16px; padding: 16px 18px; border-radius: 5px; }
.submission-status strong, .submission-status span, .submission-status small { display: block; }
.submission-status.loading { color: var(--forest); background: #edf1ed; }
.submission-status.success { border-left: 4px solid var(--green); background: #e8f5ec; }
.submission-status.error { border-left: 4px solid #a43e3e; background: #fff0f0; }
.submission-status small { color: var(--muted); }

footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 36px max(28px, calc((100vw - 1160px) / 2)); color: rgba(255,255,255,.76); background: #0a1710; font-size: .82rem; }
.footer-brand { display: flex; align-items: center; gap: 18px; }
.footer-brand .brand-logo { width: 135px; }
footer a { color: #fff; }

@media (max-width: 1080px) {
  nav { gap: 18px; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  nav > a:not(.button) { display: none; }
  .hero, .explainer, .check-section, .difference, .portfolio, .inquiry { grid-template-columns: 1fr; }
  .hero { gap: 42px; }
  .hero-card { max-width: 560px; }
  .cards.three, .cards.four, .timeline { grid-template-columns: 1fr 1fr; }
  .timeline li:last-child { grid-column: 1 / -1; }
  .example-grid { grid-template-columns: 1fr; }
  .example-card { max-width: 720px; }
  .difference-grid { grid-template-columns: 1fr; }
  .section { padding-top: 82px; padding-bottom: 82px; }
}
@media (max-width: 600px) {
  .site-header { min-height: 78px; padding-top: 10px; padding-bottom: 10px; }
  .brand-logo { width: 128px; }
  .button-small { padding: 9px 12px; font-size: .76rem; }
  .hero { min-height: 720px; padding-top: 125px; padding-bottom: 60px; }
  .hero h1 { font-size: 2.2rem; hyphens: none; }
  .lead { font-size: 1rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-card, .calculator, .inquiry-form { padding: 24px; }
  .section { padding-top: 64px; padding-bottom: 64px; }
  .section h2 { font-size: 2.45rem; overflow-wrap: anywhere; hyphens: auto; }
  .cards.three, .cards.four, .timeline, .pricing-grid, .form-grid, .estimate-grid { grid-template-columns: 1fr; }
  .timeline li:last-child, .wide { grid-column: auto; }
  .check-section, .difference, .inquiry { gap: 40px; }
  .scenario-row { grid-template-columns: .75fr 1fr 1.35fr; font-size: .75rem; }
  .document-upload { padding: 16px; }
  .document-item { grid-template-columns: 1fr; }
  .document-item span { text-align: left; }
  footer { align-items: flex-start; flex-direction: column; }
}
