:root {
  --bg: #F5F7FB;
  --surface: #FFFFFF;
  --surface-2: #E7EBF3;
  --text: #101828;
  --muted: #5B6472;
  --accent: #1B4CE0;
  --accent-2: #5A8CFF;
  --accent-signal: #2F6BFF;
  --deep: #0B1E4D;
  --line: rgba(16, 24, 40, 0.09);

  --font: "Inter", system-ui, sans-serif;
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: auto; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, .nav__wordmark {
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--deep);
}

.mono { font-family: var(--font-mono); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
  font-weight: 600;
}

.section-lead {
  color: var(--muted);
  max-width: 640px;
  font-size: 1.05rem;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-bottom: 1rem; }
.section-head .section-lead { margin: 0 auto; }

.section {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 5vw, 2rem);
}

.bg-tint {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(90, 140, 255, 0.16), transparent 60%),
    radial-gradient(900px 500px at 100% 10%, rgba(27, 76, 224, 0.10), transparent 55%),
    var(--bg);
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1.25rem, 5vw, 2.5rem);
  background: rgba(245, 247, 251, 0.78);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent);
}

.nav__wordmark {
  font-size: 1.05rem;
  color: var(--deep);
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav__wordmark-sub {
  font-family: var(--font);
  font-weight: 500;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.nav__links {
  display: flex;
  gap: 1.75rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
}

.nav__links a { opacity: 0.8; transition: opacity .2s ease; }
.nav__links a:hover { opacity: 1; color: var(--accent); }

@media (max-width: 860px) {
  .nav__links { display: none; }
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-signal));
  color: #fff;
  box-shadow: 0 10px 30px rgba(27, 76, 224, 0.28);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 14px 34px rgba(27, 76, 224, 0.36); }

.btn--ghost {
  background: rgba(255,255,255,0.6);
  color: var(--deep);
  border-color: var(--line);
}
.btn--ghost:hover { background: #fff; border-color: var(--accent-2); }

.btn--small { padding: 0.6rem 1.25rem; font-size: 0.85rem; }

/* HERO */
.hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3.5rem, 9vw, 7rem) clamp(1.25rem, 5vw, 2rem) clamp(3rem, 6vw, 5rem);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero__title {
  font-size: clamp(2.4rem, 5.4vw, 4rem);
  line-height: 1.04;
  margin-bottom: 1.4rem;
}

.hero__sub {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 46ch;
  margin-bottom: 2rem;
}

.hero__ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.2rem;
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0;
  margin: 0;
  list-style: none;
  font-size: 0.78rem;
}

.hero__chips li {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--deep);
}

.hero__visual { position: relative; }

.media-card {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(11, 30, 77, 0.25);
  border: 1px solid var(--line);
  background: var(--surface);
}

.media-card img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; }

.placeholder-badge {
  position: absolute;
  bottom: 0.9rem;
  right: 0.9rem;
  background: rgba(11, 30, 77, 0.78);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
}

@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; }
}

/* PROBLEM */
.problem__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.problem__item { padding: 1.75rem; }
.problem__num { color: var(--accent-2); font-size: 0.85rem; display: block; margin-bottom: 0.75rem; }
.problem__item h3 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--accent); }
.problem__item p { color: var(--muted); margin: 0; font-size: 0.95rem; }

/* FEATURES */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.feature-card { padding: 2rem; }

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(27,76,224,0.12), rgba(90,140,255,0.16));
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.feature-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; color: var(--accent); }
.feature-card p { color: var(--muted); margin: 0; font-size: 0.95rem; }

/* EINBLICK (media + copy split sections) */
.einblick__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.einblick__grid--reverse .media-card { order: 1; }
.einblick__grid--reverse .einblick__copy { order: 2; }

.einblick__copy h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 1rem; }

@media (max-width: 860px) {
  .einblick__grid { grid-template-columns: 1fr; }
  .einblick__grid--reverse .media-card,
  .einblick__grid--reverse .einblick__copy { order: initial; }
}

/* TIMELINE */
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.timeline__item { padding: 1.75rem; }
.timeline__num { color: var(--accent-2); font-size: 0.85rem; display: block; margin-bottom: 0.75rem; }
.timeline__item h3 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--accent); }
.timeline__item p { color: var(--muted); margin: 0; font-size: 0.95rem; }

/* BENEFITS */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.benefit-card { padding: 1.9rem; text-align: center; }
.benefit-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; color: var(--accent); }
.benefit-card p { color: var(--muted); margin: 0; font-size: 0.92rem; }

/* REFERENZEN */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.logo-slot {
  padding: 1.4rem;
  text-align: center;
  border-radius: 14px;
  border: 1px dashed var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.85rem;
}

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 1rem; max-width: 760px; margin: 0 auto; }

.faq-item { padding: 1.4rem 1.6rem; }
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--deep);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.3rem;
  margin-left: 1rem;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--muted); margin: 0.9rem 0 0; }

/* KONTAKT */
.kontakt__panel {
  padding: clamp(2rem, 5vw, 3.5rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3rem);
}

.kontakt__copy h2 { font-size: clamp(1.7rem, 3.2vw, 2.2rem); margin-bottom: 1rem; }

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

.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field--full { grid-column: 1 / -1; }

.field label { font-size: 0.85rem; color: var(--muted); font-weight: 500; }

.req-star {
  display: inline-block;
  color: #E0341B !important;
  margin-left: 0.15rem;
  font-size: 0.8em;
  vertical-align: top;
  position: relative;
  top: -0.5em;
}

.form__required {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.78rem;
  margin: 0.75rem 0 0;
}

.form__required .req-star { top: -0.2em; }

.field input, .field textarea {
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  resize: vertical;
}

.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(90, 140, 255, 0.18);
}

.kontakt__form .btn { grid-column: 1 / -1; justify-self: start; margin-top: 0.5rem; }

.form__note { grid-column: 1 / -1; color: var(--accent); min-height: 1.2em; margin: 0; }

@media (max-width: 860px) {
  .kontakt__panel { grid-template-columns: 1fr; }
  .kontakt__form { grid-template-columns: 1fr; }
}

/* FOOTER */
.footer {
  background: var(--deep);
  color: rgba(255,255,255,0.85);
  margin-top: 4rem;
  padding: clamp(3rem, 6vw, 5rem) clamp(1.25rem, 5vw, 2.5rem) 2rem;
}

.footer__top {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 3rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.1rem;
}

.footer__cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 480px;
}

.footer__col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__col h4 {
  color: #fff;
  font-family: var(--font);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.6;
  margin-bottom: 0.3rem;
}
.footer__col a { color: rgba(255,255,255,0.82); font-size: 0.92rem; }
.footer__col a:hover { color: var(--accent-2); }

.footer__bottom {
  max-width: var(--container);
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  flex-wrap: wrap;
  gap: 0.5rem;
}

@media (max-width: 700px) {
  .footer__top { grid-template-columns: 1fr; }
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
}

/* REVEAL ANIMATION HOOK (state set by JS) */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .7s ease, transform .7s ease;
}