/* Basisthema: system fonts, keine externen Assets, responsiv, sticky Header */
:root {
  --bg: #0b1020;
  --bg-alt: #121a33;
  --text: #e9eefc;
  --muted: #b8c2e0;
  --accent: #7aa2ff;
  --accent-2: #5ad1e8;
  --ok: #3ecf8e;
  --err: #ff6b6b;
  --shadow: rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, sans-serif;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1100px, 92vw); margin: 0 auto; padding: 1.2rem; }

/* Sticky Header */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(11,16,32,.85);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.logo { display: flex; align-items: center; gap: .6rem; color: var(--text); }
.logo svg { width: 32px; height: 32px; display: block; }
.logo-text { font-weight: 700; letter-spacing: .2px; }
.mainnav ul { list-style: none; display: flex; gap: 1rem; margin: 0; padding: 0; }
.mainnav a { display: block; padding: .65rem .8rem; border-radius: .6rem; }
.mainnav a:hover { background: rgba(255,255,255,.06); }

/* Mobile Nav Toggle */
.nav-toggle {
  display: none; background: none; border: 0;
  width: 44px; height: 44px; border-radius: .6rem;
  align-items: center; justify-content: center;
}
.nav-toggle .bar { display: block; width: 24px; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .mainnav {
    position: fixed;
    inset: 60px 0 auto 0; /* korrigiert */
    background: var(--bg-alt);
    transform: translateY(-120%);
    transition: transform .25s ease;
  }
  .mainnav.open { transform: translateY(0); }
  .mainnav ul { flex-direction: column; }
}

/* Sections */
.section { padding: 4rem 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.section h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); margin: 0 0 1rem; }
.section p { color: var(--muted); }

/* START / HERO (vollflächig) */
.section-start {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, #2a1659 0%, #0b1020 90%);
  background-size: cover; color: var(--text); overflow: hidden;
}
.section-start::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(-45deg,
    rgba(255,255,255,.03) 0px, rgba(255,255,255,.03) 1px, transparent 1px, transparent 20px);
  pointer-events: none;
}
.start-centered { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; padding: 2rem; }
.start-logo { display: block; margin: 0 auto 2rem; width: 140px; height: auto; }
.start-slogan { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 700; margin-bottom: 2rem; line-height: 1.3; }
.start-slogan .highlight { color: var(--accent-2); }
.start-buttons { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }
.start-btn {
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #0b1020; font-weight: 700;
}
.start-btn.alt { background: #1a1f35; color: #e9eefc; border: 1px solid rgba(255,255,255,.25); }
.start-btn .beta {
  background: #22ff9d; color: #0b1020; border-radius: .4rem;
  padding: .1rem .35rem; font-size: .8rem; margin-left: .25rem;
}

/* Grids & Karten */
.start-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; }
@media (max-width: 860px) { .start-grid { grid-template-columns: 1fr; } }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; }
.card {
  border: 1px solid rgba(255,255,255,.08); border-radius: 1rem; padding: 1rem;
  background: rgba(18,26,51,.6); box-shadow: 0 6px 18px var(--shadow);
}
.card h3 { margin: .2rem 0 .5rem; font-size: 1.1rem; }
.card p { margin: 0; font-size: .95rem; }
@media (max-width: 860px) { .features { grid-template-columns: 1fr; } }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

/* FEATURES (alternierend mit 90/10-Versatz) – konsolidiert */
.features-title { text-align: center; margin-bottom: 1.5rem; }
.features-rail { display: flex; flex-direction: column; gap: 1.8rem; width: 100%; max-width: 1200px; margin: 0 auto; }
.feature-card {
  width: 90%; margin-left: 0; margin-right: 0;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 2rem;
  background: linear-gradient(135deg, #4b1fa3 0%, #3a1792 50%, #2a146e 100%);
  border-radius: 14px; border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 18px 40px rgba(0,0,0,.45); padding: 1.5rem;
}
.feature-card:nth-child(odd) { margin-right: 10%; }
.feature-card:nth-child(even) { margin-left: 10%; direction: rtl; }
.feature-card:nth-child(even) .txt,
.feature-card:nth-child(even) .media { direction: ltr; }
.feature-card .txt { color: #e9e0ff; }
.feature-card h3 { margin: 0 0 .5rem; font-size: 1.2rem; font-weight: 700; }
.feature-card p { margin: 0; color: #d8cff9; line-height: 1.5; }
.feature-card .media img {
  width: 100%; max-width: 360px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,.1); box-shadow: 0 6px 22px rgba(0,0,0,.55);
}
@media (max-width: 860px) {
  .feature-card {
    width: 100%; margin-left: 0; margin-right: 0;
    grid-template-columns: 1fr; text-align: center; direction: ltr;
  }
}

/* Gallery */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
.gallery-grid img { width: 100%; height: 220px; object-fit: cover; border-radius: .8rem; display: block; }
@media (max-width: 860px) { .gallery-grid { grid-template-columns: 1fr 1fr; } }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.price { text-align: center; }
.price .big { font-size: 2rem; font-weight: 800; color: #fff; }
@media (max-width: 860px) { .pricing { grid-template-columns: 1fr; } }

/* Kontaktformular */
.contact-form { max-width: 720px; }
.contact-form .row { margin-bottom: .9rem; display: flex; flex-direction: column; }
.contact-form label { font-weight: 700; margin-bottom: .25rem; }
.contact-form input,
.contact-form textarea {
  background: #0c1430; color: #e9eefc;
  border: 1px solid rgba(255,255,255,.15); border-radius: .6rem; padding: .65rem .75rem;
}
.contact-form button { cursor: pointer; }
.form-hint { font-size: .9rem; color: var(--muted); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Footer */
.site-footer { padding: 2rem 0; text-align: center; color: var(--muted); }

/* Feedback */
.alert { border-radius: .8rem; padding: 1rem; margin: 1rem 0; }
.alert.success { background: rgba(62,207,142,.12); border: 1px solid rgba(62,207,142,.35); }
.alert.error { background: rgba(255,107,107,.12); border: 1px solid rgba(255,107,107,.35); }

/* Utility */
.center { text-align: center; }
.muted { color: var(--muted); }

/* LIGHTBOX (ohne Drittanbieter) */
.no-scroll { overflow: hidden; }
.lightbox-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.88);
  display: none; z-index: 2000; align-items: center; justify-content: center; padding: 2vh 2vw;
}
.lightbox-backdrop.open { display: flex; }
.lightbox-figure { position: relative; max-width: 96vw; max-height: 92vh; display: grid; place-items: center; }
.lightbox-figure img {
  max-width: 96vw; max-height: 92vh; width: auto; height: auto;
  border-radius: .6rem; box-shadow: 0 20px 60px rgba(0,0,0,.6); border: 1px solid rgba(255,255,255,.15);
}
.lightbox-close {
  position: absolute; top: .4rem; right: .4rem;
  background: rgba(20,24,40,.7); border: 1px solid rgba(255,255,255,.25);
  color: #fff; width: 40px; height: 40px; border-radius: .6rem;
  display: grid; place-items: center; cursor: pointer;
}
.lightbox-close:focus { outline: 2px solid #7aa2ff; outline-offset: 2px; }

/* FAQ (Accordion) */
.section-faq { position: relative; }
.section-faq::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(-45deg,
    rgba(255,255,255,.03) 0px, rgba(255,255,255,.03) 1px, transparent 1px, transparent 20px);
  pointer-events: none;
}
.faq-title { text-align: center; margin-bottom: .6rem; }
.faq-intro { text-align: center; margin-bottom: 1.2rem; }
.faq-accordion { width: min(820px, 92vw); margin: 0 auto; display: flex; flex-direction: column; gap: .9rem; }
.faq-item {
  background: linear-gradient(135deg,#4b1fa3 0%,#3a1792 50%,#2a146e 100%);
  border: 1px solid rgba(255,255,255,.08); border-radius: 14px;
  box-shadow: 0 18px 40px rgba(0,0,0,.45); overflow: hidden;
}
.faq-q {
  width: 100%; text-align: left; background: transparent; color: #fff; border: 0;
  padding: 1rem 3rem 1rem 1.1rem; font-size: 1.05rem; font-weight: 700; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: .8rem;
}
.faq-q:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.faq-icon {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: .5rem;
  border: 1px solid rgba(255,255,255,.25); background: rgba(20,24,40,.35);
  font-weight: 900; color: #fff; transition: transform .2s ease;
}
.faq-q[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 1.1rem 1rem; color: #e6dcff; }
.faq-a.open { display: block; }

/* ==== HERO: Buttons größer & runder ==== */
.start-buttons .start-btn {
  padding: 1.0rem 1.25rem;      /* größer */
  font-size: 1.05rem;           /* etwas größer */
  border-radius: 1.05rem;       /* stärker abgerundet */
  box-shadow: 0 10px 26px var(--shadow);
  transition: transform .06s ease, box-shadow .2s ease, opacity .2s ease;
}
.start-buttons .start-btn:hover { transform: translateY(-1px); }
.start-buttons .start-btn:active { transform: translateY(0); opacity:.92; }

.start-buttons .start-btn.alt {
  border-radius: 1.05rem;       /* gleicher Radius für Alt-Variante */
  box-shadow: 0 8px 22px var(--shadow);
}

/* ==== FORMULAR: "Rückruf anfragen" wie HERO-"Warum" ==== */
/* Greift auf den Submit-Button im Kontaktformular, ohne HTML-Änderung */
.contact-form button[type="submit"]{
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #0b1020;
  font-weight: 700;
  padding: .9rem 1.15rem;
  border: 0;
  border-radius: 1.05rem;       /* identischer Radius */
  box-shadow: 0 10px 26px var(--shadow);
  transition: transform .06s ease, box-shadow .2s ease, opacity .2s ease;
}
.contact-form button[type="submit"]:hover{ transform: translateY(-1px); }
.contact-form button[type="submit"]:active{ transform: translateY(0); opacity:.92; }

/* ===== Abschnitt "So läuft der Workshop ab" – responsive Anpassung ===== */
.section-ablauf .grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

/* Gleiche Reaktion wie bei Preisen */
@media (max-width: 860px) {
  .section-ablauf .grid-3 {
    grid-template-columns: 1fr;     /* 1 Spalte */
  }
}