/* BS Solutions – Landing Page */
:root {
  --blue-900: #0a2e4a;
  --blue-800: #0d4f7d;
  --blue-700: #0e5a8a;   /* Logo dunkel */
  --blue-500: #1a88cf;   /* Logo hell */
  --blue-100: #e6f2fb;
  --ink: #14212e;
  --muted: #5a6b7b;
  --bg: #ffffff;
  --bg-alt: #f4f8fc;
  --radius: 16px;
  --shadow: 0 20px 50px -20px rgba(10, 46, 74, .35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-700); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .6em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); font-weight: 800; color: var(--blue-900); }
h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 750; color: var(--blue-900); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1.2em; }

.container { width: min(1180px, 100% - 3rem); margin-inline: auto; }
.narrow { max-width: 780px; text-align: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 700; color: var(--blue-500); margin-bottom: .8em; }
.lead { font-size: 1.15rem; color: var(--muted); }
.accent { color: var(--blue-500); }

/* Buttons */
.btn { display: inline-block; padding: .85em 1.6em; border-radius: 999px; font-weight: 650; text-decoration: none; transition: transform .15s, box-shadow .15s, background .15s; border: 2px solid transparent; }
.btn:hover { transform: translateY(-2px); }
.btn-sm { padding: .55em 1.2em; }
.btn-primary { background: var(--blue-700); color: #fff; box-shadow: 0 8px 20px -8px rgba(14, 90, 138, .7); }
.btn-primary:hover { background: var(--blue-800); }
.btn-ghost { color: var(--blue-700); border-color: var(--blue-700); }
.btn-ghost:hover { background: var(--blue-100); }
.btn-light { background: #fff; color: var(--blue-800); }
.btn-outline-light { color: #fff; border-color: rgba(255,255,255,.7); }
.btn-outline-light:hover { background: rgba(255,255,255,.12); }
.link-arrow { font-weight: 650; text-decoration: none; }
.link-arrow::after { content: " →"; transition: margin .15s; }
.link-arrow:hover::after { margin-left: .3em; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.88); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.site-header.scrolled { border-color: #e3ebf2; box-shadow: 0 4px 20px -12px rgba(0,0,0,.2); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand img { height: 48px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 1.8rem; }
.main-nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 550; }
.main-nav a:not(.btn):hover { color: var(--blue-500); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: transform .2s, opacity .2s; }

/* Hero */
.hero { padding: clamp(3rem, 7vw, 6rem) 0; background: radial-gradient(1200px 600px at 85% 10%, var(--blue-100), transparent 60%); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.hero-media img { border-radius: var(--radius); box-shadow: var(--shadow); aspect-ratio: 3 / 2; object-fit: cover; }

/* Sections */
.section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 3rem; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.card { background: #fff; border: 1px solid #e3ebf2; border-radius: var(--radius); padding: 2.2rem; box-shadow: 0 10px 30px -20px rgba(10,46,74,.3); transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-logo { height: 64px; width: auto; margin-bottom: 1.4rem; }
.card p { color: var(--muted); }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.product-logo { height: 60px; width: auto; margin-bottom: 1.5rem; }
.checklist { list-style: none; padding: 0; margin: 0 0 2rem; }
.checklist li { padding-left: 2rem; position: relative; margin-bottom: .7rem; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .3em; width: 1.2rem; height: 1.2rem; border-radius: 50%; background: var(--blue-500) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 70% no-repeat; }
.video-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #000; }
.video-frame video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

/* Bestandsprofi Video-Section */
.section-video { position: relative; overflow: hidden; color: #fff; }
.bg-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bg-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10,46,74,.94) 0%, rgba(10,46,74,.82) 45%, rgba(10,46,74,.45) 100%); }
.section-video-inner { position: relative; max-width: 1180px; }
.section-video h2 { color: #fff; max-width: 640px; }
.section-video p { color: rgba(255,255,255,.85); max-width: 600px; }
.product-logo-light { height: 72px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin: 2.5rem 0; max-width: 900px; }
.feature { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); border-radius: 12px; padding: 1.4rem; backdrop-filter: blur(6px); }
.feature h3 { color: #fff; }
.feature p { margin: 0; font-size: .95rem; }

/* Über uns */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2.5rem; }
.values div { display: flex; flex-direction: column; gap: .3rem; padding: 1.5rem 1rem; border-radius: 12px; background: var(--bg-alt); }
.values strong { color: var(--blue-700); font-size: 1.1rem; }
.values span { color: var(--muted); font-size: .95rem; }

/* CTA */
.section-cta { background: linear-gradient(135deg, var(--blue-800), var(--blue-500)); color: #fff; }
.section-cta h2 { color: #fff; }
.section-cta .lead { color: rgba(255,255,255,.88); }
.contact-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }

/* Footer */
.site-footer { background: var(--blue-900); color: rgba(255,255,255,.75); padding: 2rem 0; font-size: .92rem; }
.footer-inner { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer-inner p { margin: 0; flex: 1; }
.footer-inner nav { display: flex; gap: 1.5rem; }
.footer-inner a { color: rgba(255,255,255,.85); text-decoration: none; }
.footer-inner a:hover { color: #fff; text-decoration: underline; }

/* Reveal-Animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .bg-video { display: none; }
  .section-video { background: url("Public/web/bestand-poster.jpg") center / cover; }
}

/* Legal pages */
.legal { padding: 4rem 0 6rem; }
.legal .container { max-width: 780px; }
.legal h2 { font-size: 1.3rem; margin-top: 2rem; }
.placeholder { background: #fff7d6; padding: 0 .3em; border-radius: 4px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .split, .cards { grid-template-columns: 1fr; }
  .feature-grid, .values { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .main-nav { position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid #e3ebf2; padding: .5rem 1.5rem 1.5rem; display: none; }
  .main-nav.open { display: flex; }
  .main-nav a:not(.btn) { padding: .9rem 0; width: 100%; border-bottom: 1px solid #eef3f7; }
  .main-nav .btn { margin-top: 1rem; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}