/* SbgEnergy – Website-Entwurf
   Farben & Schriften 1:1 aus dem bisherigen Auftritt:
   Sonnengelb #FBD809, Sonnenorange #F59018 (Logo), Zellen-Blau #0054FF (Logo), Tinte #080808, Grauweiß #F4F7F6.
   Schriften: Work Sans (Headlines, wie bisher) · Figtree (Fließtext, freier Ersatz für Proxima Nova).
   Barrierefreiheit: Gelb/Orange nie als Textfarbe auf Weiß (Kontrast < 2:1) – nur als Fläche mit dunkler Schrift. */

:root {
  --sun: #fbd809;
  --sun-light: #fdec84;
  --sun-orange: #f59018;
  --sun-bright: #fef601;
  --cell-blue: #0054ff;
  --cell-cyan: #00a3ff;
  --ink: #080808;
  --ink-2: #222222;
  --muted: #464646;
  --line: #c1c1c1;
  --surface: #f4f7f6;
  --white: #ffffff;
  --forest: #344741;
  --forest-light: #adc3bc;
  --gold-text: #806e02;
  --error: #b3261e;
  --ok: #1e6b3a;

  --font-display: "Work Sans", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Figtree", "Helvetica Neue", Arial, sans-serif;

  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-5: 24px;
  --space-6: 32px; --space-7: 48px; --space-8: 72px; --space-9: 112px;
  --radius-sm: 4px; --radius-md: 10px; --radius-pill: 999px;
  --max: 1200px;
  --measure: 66ch;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 96px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--white); color: var(--ink-2); font: 400 1.0625rem/1.65 var(--font-body); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink); text-decoration-color: var(--sun-orange); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--ink); }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; box-shadow: 0 0 0 6px var(--sun); border-radius: 2px; }
.on-dark :focus-visible, .site-footer :focus-visible { outline-color: var(--sun); box-shadow: none; }

h1, h2, h3 { font-family: var(--font-display); color: var(--ink); text-wrap: balance; margin: 0; }
h1 { font-weight: 200; font-size: clamp(2.6rem, 6.4vw, 4.75rem); line-height: 1.02; letter-spacing: -0.02em; }
h2 { font-weight: 200; font-size: clamp(2rem, 4.2vw, 3.25rem); line-height: 1.08; letter-spacing: -0.015em; }
h3 { font-weight: 600; font-size: 1.25rem; line-height: 1.3; }
h2 strong, h1 strong { font-weight: 600; }
p { margin: 0; max-width: var(--measure); }
.eyebrow { font: 600 0.8125rem/1.2 var(--font-body); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.lead { font-size: 1.25rem; line-height: 1.55; color: var(--ink-2); }

.skip-link { position: absolute; left: var(--space-4); top: -60px; z-index: 100; background: var(--sun); color: var(--ink); padding: var(--space-3) var(--space-4); font-weight: 600; border-radius: var(--radius-sm); }
.skip-link:focus { top: var(--space-4); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: clamp(16px, 4vw, 40px); }
.section { padding-block: clamp(var(--space-8), 9vw, var(--space-9)); }
.section--surface { background: var(--surface); }
.section--sun { background: var(--sun); }
.section--forest { background: var(--forest); color: var(--white); }
.section--forest h2, .section--forest h3 { color: var(--white); }
.section--forest .eyebrow { color: var(--sun); }
.section-head { display: grid; gap: var(--space-4); margin-bottom: var(--space-7); max-width: 760px; }

/* Header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: rgba(255, 255, 255, 0.96); border-bottom: 1px solid #e3e7e5; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); min-height: 76px; }
.brand { display: inline-flex; align-items: center; }
.brand img { width: 200px; height: auto; }
.nav-toggle { display: none; background: none; border: 2px solid var(--ink); border-radius: var(--radius-sm); padding: 8px 12px; font: 600 0.95rem var(--font-body); color: var(--ink); cursor: pointer; }
.main-nav ul { list-style: none; display: flex; gap: var(--space-4); margin: 0; padding: 0; align-items: center; }
.main-nav a { white-space: nowrap; text-decoration: none; font-weight: 500; color: var(--ink); padding-block: var(--space-2); border-bottom: 2px solid transparent; }
.main-nav a:hover { border-bottom-color: var(--sun-orange); }
.main-nav .btn { border-bottom: 0; }
@media (max-width: 1180px) {
  .nav-toggle { display: inline-block; }
  .main-nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--white); border-bottom: 1px solid #e3e7e5; padding: var(--space-4) clamp(16px, 4vw, 40px) var(--space-5); }
  .main-nav[hidden] { display: none; }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .brand img { width: 170px; }
}
@media (min-width: 1181px) { .main-nav[hidden] { display: block; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: 48px; padding: 12px 24px; border-radius: var(--radius-pill); font: 600 1rem/1.2 var(--font-body); text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background-color .15s, color .15s, border-color .15s; }
.btn--sun { background: var(--sun); color: var(--ink); }
.btn--sun:hover { background: var(--sun-orange); }
.btn--ink { background: var(--ink); color: var(--white); }
.btn--ink:hover { background: var(--ink-2); box-shadow: inset 0 -3px 0 var(--sun); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--white); }
.btn--ghost-light { background: transparent; color: var(--white); border-color: var(--white); }
.btn--ghost-light:hover { background: var(--white); color: var(--ink); }

/* Hero */
.hero { position: relative; isolation: isolate; color: var(--white); background: var(--ink); overflow: hidden; }
.hero__img { position: absolute; inset: 0; z-index: -2; }
.hero__img img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(8,8,8,.82) 0%, rgba(8,8,8,.62) 45%, rgba(8,8,8,.15) 100%); }
.hero .wrap { padding-block: clamp(72px, 12vw, 152px) clamp(56px, 8vw, 104px); display: grid; gap: var(--space-5); }
.hero h1 { color: var(--white); max-width: 14ch; }
.hero h1 .accent { color: var(--sun); font-weight: 300; }
.hero .lead { color: #f1f1f1; max-width: 46ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-3); }
.hero__facts { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); list-style: none; padding: 0; margin: var(--space-5) 0 0; font-size: .95rem; color: #e9e9e9; }
.hero__facts li { display: inline-flex; align-items: center; gap: var(--space-2); }
.hero__facts li::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--sun); flex: none; }

/* Zielgruppen */
.audiences { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.audience { display: grid; grid-template-rows: auto 1fr; background: var(--white); border-radius: var(--radius-md); overflow: hidden; border: 1px solid #e3e7e5; }
.audience img { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; background: var(--forest-light); }
.audience__body { display: grid; gap: var(--space-3); padding: var(--space-5); align-content: start; }
.audience__body ul { margin: 0; padding-left: 1.1em; }
.audience__body li::marker { color: var(--sun-orange); }
@media (max-width: 900px) { .audiences { grid-template-columns: 1fr; } .audience { grid-template-columns: 2fr 3fr; grid-template-rows: none; } .audience img { height: 100%; aspect-ratio: auto; } }
@media (max-width: 560px) { .audience { grid-template-columns: 1fr; } .audience img { aspect-ratio: 16 / 9; } }

/* Leistungen */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.service { padding: var(--space-6) var(--space-5) var(--space-6) 0; border-bottom: 1px solid var(--line); display: grid; gap: var(--space-3); align-content: start; }
.service:not(:nth-child(3n+1)) { padding-left: var(--space-5); border-left: 1px solid var(--line); }
.service__icon { width: 52px; height: 52px; }
.service p { color: var(--muted); }
@media (max-width: 900px) { .services { grid-template-columns: 1fr 1fr; } .service:not(:nth-child(3n+1)) { padding-left: 0; border-left: 0; } .service:nth-child(even) { padding-left: var(--space-5); border-left: 1px solid var(--line); } }
@media (max-width: 600px) { .services { grid-template-columns: 1fr; } .service:nth-child(even) { padding-left: 0; border-left: 0; } }

/* Split-Abschnitte */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(var(--space-6), 5vw, var(--space-8)); align-items: center; }
.split__media img { border-radius: var(--radius-md); aspect-ratio: 4 / 3; object-fit: cover; width: 100%; background: var(--forest-light); }
.split__text { display: grid; gap: var(--space-4); }
.split--reverse .split__media { order: 2; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } .split--reverse .split__media { order: 0; } }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.checklist li { position: relative; padding-left: 30px; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .42em; width: 18px; height: 18px; border-radius: 50%; background: var(--sun); box-shadow: inset 0 0 0 5px var(--sun), inset 0 0 0 7px var(--ink); }
.section--forest .checklist li::before { box-shadow: inset 0 0 0 5px var(--sun), inset 0 0 0 7px var(--forest); }

.field { display: grid; gap: var(--space-2); }
.field label, .field legend { font-weight: 600; color: var(--ink); }
.field .hint { font-size: .9rem; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: var(--space-2); border: 0; padding: 0; margin: 0; }
.chips legend { margin-bottom: var(--space-2); }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 16px; border-radius: var(--radius-pill); border: 2px solid var(--ink); background: var(--white); font-weight: 500; cursor: pointer; }
.chip input:checked + span { background: var(--ink); color: var(--white); }
.chip input:checked + span::before { content: "✓"; margin-right: 6px; color: var(--sun); }
.chip input:focus-visible + span { outline: 3px solid var(--ink); outline-offset: 3px; }

/* Ablauf */
.steps { list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-5); padding: 0; margin: 0; }
.steps li { counter-increment: step; display: grid; gap: var(--space-3); align-content: start; padding-top: var(--space-5); border-top: 2px solid var(--sun); }
.steps li::before { content: counter(step); font: 200 3.2rem/1 var(--font-display); color: var(--sun); }
.steps p { color: #e6ece9; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Über */
.about { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: clamp(var(--space-6), 5vw, var(--space-8)); align-items: start; }
.about__card { background: var(--sun); border-radius: var(--radius-md); padding: var(--space-6); display: grid; gap: var(--space-3); }
.about__card .portrait { width: 132px; height: 132px; border-radius: 50%; background: var(--white); display: grid; place-items: center; font: 300 2.4rem var(--font-display); color: var(--ink); }
.about__card dl { margin: 0; display: grid; gap: var(--space-2); }
.about__card dt { font-size: .85rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.about__card dd { margin: 0 0 var(--space-2); }
.about__text { display: grid; gap: var(--space-4); }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; } }

/* FAQ */
.faq { display: grid; gap: 0; border-top: 1px solid var(--line); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: var(--space-5) var(--space-7) var(--space-5) 0; position: relative; font: 500 1.15rem/1.4 var(--font-body); color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 8px; top: 50%; width: 22px; height: 22px; margin-top: -11px; border-radius: 50%; background: var(--sun); box-shadow: inset 0 0 0 2px var(--ink); }
.faq summary::before { content: "+"; position: absolute; right: 8px; top: 50%; width: 22px; line-height: 22px; margin-top: -11px; text-align: center; z-index: 1; font-weight: 600; color: var(--ink); }
.faq details[open] summary::before { content: "–"; }
.faq .answer { padding: 0 0 var(--space-5); display: grid; gap: var(--space-3); color: var(--muted); }

/* Anfrageformular */
.form { display: grid; gap: var(--space-6); }
.form fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.form fieldset > legend { font: 200 1.9rem/1.2 var(--font-display); color: var(--ink); margin-bottom: var(--space-3); padding: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4) var(--space-5); }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.form input[type="text"], .form input[type="email"], .form input[type="tel"], .form input[type="number"], .form select, .form textarea {
  width: 100%; min-height: 48px; padding: 10px 14px; font: 400 1rem/1.4 var(--font-body); color: var(--ink); background: var(--white);
  border: 2px solid #767676; border-radius: var(--radius-sm); }
.form textarea { min-height: 120px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--ink); }
.req { color: var(--error); }
.field-error { color: var(--error); font-size: .9rem; font-weight: 500; }
.form [aria-invalid="true"] { border-color: var(--error); }
.check { display: grid; grid-template-columns: 24px 1fr; gap: var(--space-3); align-items: start; }
.check input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--ink); }
.form-status { padding: var(--space-4); border-radius: var(--radius-sm); font-weight: 500; }
.form-status--error { background: #fdecea; color: var(--error); }
.contact-aside { display: grid; gap: var(--space-4); align-content: start; background: var(--surface); padding: var(--space-6); border-radius: var(--radius-md); }
.contact-aside a { font-weight: 600; }
.contact-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: clamp(var(--space-6), 4vw, var(--space-8)); align-items: start; }
@media (max-width: 960px) { .contact-layout { grid-template-columns: 1fr; } }

/* Footer */
.site-footer { background: var(--ink); color: #d8d8d8; padding-block: var(--space-8) var(--space-6); font-size: .95rem; }
.site-footer a { color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-6); }
.footer-grid h2 { font: 600 .85rem/1.3 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--sun); margin-bottom: var(--space-3); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.footer-bottom { margin-top: var(--space-7); padding-top: var(--space-5); border-top: 1px solid #333; display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); color: #b5b5b5; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* Rechtstexte */
.legal { max-width: 820px; display: grid; gap: var(--space-4); }
.legal h1 { margin-bottom: var(--space-4); }
.legal h2 { font-size: 1.6rem; font-weight: 300; margin-top: var(--space-5); }
.legal ul { margin: 0; padding-left: 1.2em; }
.placeholder { background: var(--sun-light); color: var(--ink); padding: 0 4px; border-radius: 3px; font-weight: 600; }
.hero .eyebrow { color: var(--sun); }

.footer-logo { width: 200px; height: auto; margin-bottom: var(--space-4); }

.cert { margin: 0; display: grid; gap: var(--space-2); justify-items: start; }
.cert a { display: inline-block; background: var(--white); padding: var(--space-2); border: 1px solid #e3e7e5; border-radius: var(--radius-sm); }
.cert img { width: 300px; height: auto; }

/* Wix-Forms-Anbindung */
.form-root { min-height: 320px; }
.form-loading { color: var(--muted); }
.form-status--ok { background: #eef6e9; color: var(--ink); border-left: 4px solid var(--forest); }
.form-status--ok p { margin: 0 0 var(--space-2); }
.form-status--ok:focus { outline: 3px solid var(--ink); outline-offset: 3px; }
.form button[disabled] { opacity: .6; cursor: progress; }