/* ============================================
   KHM-IT — design tokens
   ============================================ */
:root {
  --bg: #fafafa;
  --bg-dark: #1f2a36;
  --bg-dark-2: #18222d;
  --text: #1a1f26;
  --text-mute: #6b7280;
  --text-on-dark: #f0f4f8;
  --text-on-dark-mute: #9aa9b8;
  --accent: #3bb84b;
  --accent-bright: #4dd061;
  --secondary: #9ec5e8;
  --border: #e5e7eb;
  --border-dark: #2c3a4a;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 30px rgba(0,0,0,.08);
  --shadow-dark: 0 8px 30px rgba(0,0,0,.4);
  --max-w: 1200px;
  --pad-x: clamp(20px, 4vw, 40px);
  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

.container { max-width: var(--max-w); margin-inline: auto; padding-inline: var(--pad-x); }
.section { padding-block: clamp(64px, 9vw, 120px); }
.section-dark { background: var(--bg-dark); color: var(--text-on-dark); }
.section-darker { background: var(--bg-dark-2); color: var(--text-on-dark); }

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-dark .eyebrow { color: var(--accent-bright); }

h1, h2, h3 { font-weight: 600; letter-spacing: -.02em; line-height: 1.15; margin: 0 0 .6em; }
h1 { font-size: clamp(34px, 4.8vw, 56px); font-weight: 700; }
h2 { font-size: clamp(28px, 3.6vw, 44px); }
h3 { font-size: clamp(18px, 2vw, 22px); }
p { margin: 0 0 1em; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 14px;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #0a1a10; }
.btn-primary:hover { background: var(--accent-bright); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(59,184,75,.3); }
.btn-ghost { color: var(--text-on-dark); border: 1px solid rgba(255,255,255,.18); }
.btn-ghost:hover { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.3); }
.btn-light { background: var(--bg-dark); color: #fff; }
.btn-light:hover { background: #0f1820; transform: translateY(-1px); }

.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,250,250,.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-block: 16px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); }
.brand svg { height: 44px; width: auto; }
.brand-name { display: none; }
.nav { display: none; gap: 32px; align-items: center; }
.nav a { font-size: 14px; font-weight: 500; color: var(--text-mute); transition: color .15s; }
.nav a:hover { color: var(--text); }

@media (min-width: 720px) {
  .brand-name { display: inline; font-weight: 600; letter-spacing: -.3px; }
  .nav { display: flex; }
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-dark);
  color: var(--text-on-dark);
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('img/hero.jpg');
  background-size: cover;
  background-position: center;
  opacity: .55;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(31,42,54,.55) 0%, rgba(31,42,54,.78) 70%, rgba(31,42,54,.95) 100%);
}
.hero-content { position: relative; z-index: 2; padding-block: 24px; max-width: 760px; width: 100%; }
.hero h1 { color: #fff; margin: 0 0 .35em; }
.hero h1 .accent { color: var(--accent-bright); }
.hero-sub {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--text-on-dark-mute);
  max-width: 600px;
  margin: 0 0 16px;
  line-height: 1.6;
}
.hero-sub:last-of-type { margin-bottom: 28px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.scroll-hint {
  position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
  font-size: 10px; letter-spacing: 3px; color: var(--text-on-dark-mute);
  text-transform: uppercase;
  z-index: 2;
  opacity: .7;
}
.scroll-hint::after {
  content: ''; display: block; width: 1px; height: 32px; background: var(--accent);
  margin: 12px auto 0;
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: .3; transform: scaleY(.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

.bausteine {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 48px;
}
.baustein {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  position: relative;
}
.baustein:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--accent); }
.baustein-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, #2c9c3a 100%);
  display: grid; place-items: center;
  margin-bottom: 18px;
  color: #fff;
}
.baustein-icon svg { width: 22px; height: 22px; }
.baustein h3 { font-size: 17px; margin-bottom: 6px; }
.baustein p { font-size: 14px; color: var(--text-mute); margin: 0; line-height: 1.6; }
.baustein-tease {
  background: transparent;
  border: 1px dashed var(--border);
  display: flex; align-items: center; justify-content: center;
  text-align: center; min-height: 180px;
}
.baustein-tease:hover { background: rgba(59,184,75,.04); border-color: var(--accent); }
.baustein-tease p { font-style: italic; }

.warum-grid {
  display: grid; grid-template-columns: 1fr; gap: 48px;
  align-items: center;
}
@media (min-width: 900px) {
  .warum-grid { grid-template-columns: 1.1fr 1fr; gap: 64px; }
}
.warum-img {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/9;
  box-shadow: var(--shadow-dark);
}
.warum-img img { width: 100%; height: 100%; object-fit: cover; }
.warum-text h2 { color: #fff; }
.warum-text p { color: var(--text-on-dark-mute); font-size: 16px; line-height: 1.75; }
.warum-quote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 20px;
  font-size: 18px;
  font-weight: 500;
  color: #fff;
  margin-top: 24px;
}

.prozess {
  display: grid; grid-template-columns: 1fr; gap: 32px;
  margin-top: 48px;
}
@media (min-width: 800px) { .prozess { grid-template-columns: repeat(3, 1fr); } }
.prozess-step { position: relative; padding-top: 24px; }
.prozess-num {
  position: absolute; top: 0; left: 0;
  font-size: 13px; font-weight: 700; color: var(--accent);
  letter-spacing: 2px;
}
.prozess-step h3 { font-size: 20px; margin: 12px 0 12px; }
.prozess-step p { color: var(--text-mute); }

.daily {
  display: grid; grid-template-columns: 1fr; gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 48px;
  background: #fff;
  border: 1px solid var(--border);
}
@media (min-width: 900px) { .daily { grid-template-columns: 1fr 1fr; } }
.daily-img {
  background: url('img/section-daily.jpg') center/cover;
  min-height: 320px;
}
.daily-content { padding: 48px clamp(24px, 4vw, 56px); }
.daily-content h2 { font-size: 28px; margin-bottom: 12px; }
.daily-list {
  list-style: none; padding: 0; margin: 24px 0 0;
  display: grid; grid-template-columns: 1fr; gap: 16px;
}
@media (min-width: 1000px) { .daily-list { grid-template-columns: 1fr 1fr; } }
.daily-list li {
  font-size: 14px;
  display: flex; align-items: flex-start; gap: 10px;
  color: var(--text-mute);
}
.daily-list li::before {
  content: ''; flex: none;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  margin-top: 9px;
}
.daily-list strong { color: var(--text); font-weight: 600; display: block; }

.dreid {
  background: linear-gradient(135deg, #1a232e 0%, #2d3e54 100%);
  color: var(--text-on-dark);
  border-radius: var(--radius);
  padding: 56px clamp(28px, 5vw, 64px);
  margin-top: 0;
  position: relative;
  overflow: hidden;
}
.dreid::before {
  content: '';
  position: absolute; top: -50%; right: -10%;
  width: 60%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(59,184,75,.18) 0%, transparent 60%);
  pointer-events: none;
}
.dreid-inner { position: relative; max-width: 720px; }
.dreid h2 { color: #fff; }
.dreid p { color: var(--text-on-dark-mute); margin-bottom: 24px; }

.dreid-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.dreid-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform .2s, border-color .2s;
}
.dreid-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.dreid-card iframe { display: block; width: 100%; aspect-ratio: 16/10; border: 0; }
.dreid-card-body { padding: 12px 14px; }
.dreid-card-body strong { display: block; color: #fff; font-size: 14px; margin-bottom: 2px; }
.dreid-card-body span { color: var(--text-on-dark-mute); font-size: 12px; }

.kontakt {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  text-align: center;
}
.kontakt h2 { color: #fff; max-width: 700px; margin-inline: auto; }
.kontakt-sub { color: var(--text-on-dark-mute); max-width: 600px; margin: 0 auto 32px; }
.kontakt-info {
  display: flex; gap: 32px; justify-content: center; flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border-dark);
}
.kontakt-info a, .kontakt-info span {
  color: var(--text-on-dark-mute);
  font-size: 14px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: color .15s;
}
.kontakt-info a:hover { color: var(--accent-bright); }

.footer {
  background: var(--bg-dark-2);
  color: var(--text-on-dark-mute);
  padding-block: 48px;
  font-size: 13px;
}
.footer-grid {
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap;
}
.footer a { color: var(--text-on-dark-mute); transition: color .15s; }
.footer a:hover { color: var(--accent-bright); }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-copy { font-size: 12px; opacity: .7; }

.page-header {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding-block: 64px;
}
.page-header h1 { color: #fff; font-size: clamp(28px, 4vw, 44px); }
.page-content { padding-block: 56px; }
.page-content h2 { font-size: 22px; margin-top: 32px; }
.page-content p, .page-content li { color: #2d3640; line-height: 1.7; }
.page-content a { color: #1e7a2a; text-decoration: underline; text-underline-offset: 3px; }
.page-content a:hover { color: var(--accent); }

.modelgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.modelcard {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.modelcard:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.modelcard iframe { display: block; width: 100%; aspect-ratio: 16/10; border: 0; }
.modelcard-body { padding: 16px 18px; }
.modelcard h3 { font-size: 15px; margin: 0 0 4px; }
.modelcard p { font-size: 13px; color: var(--text-mute); margin: 0; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-hint::after { animation: none; }
}

/* === Mobile-Feintuning === */
@media (max-width: 720px) {
  .brand svg { height: 36px; }
  .header-inner { padding-block: 12px; }
  .nav {
    display: flex;
    gap: 18px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-left: 16px;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { font-size: 13px; white-space: nowrap; }
  .nav .btn { padding: 9px 14px; font-size: 13px; }
  .hero-content { padding-block: 24px; }
  .hero h1 { font-size: clamp(30px, 9vw, 40px); }
  .hero-sub { font-size: 15px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
  .section { padding-block: 56px; }
  .baustein { padding: 22px 20px; }
  .kontakt-info { gap: 16px; flex-direction: column; align-items: center; }
  .footer-grid { flex-direction: column; text-align: center; gap: 16px; }
  .dreid { padding: 36px 22px; }
  .dreid h2 { font-size: 22px; }
  .dreid h3 { font-size: 18px !important; }
  .daily-content { padding: 32px 22px; }
}
@media (max-width: 480px) {
  .nav a:not(.btn) { font-size: 12px; }
  .bausteine { grid-template-columns: 1fr; }
}