/* =========================================================
   dte-consulting — BI & Data Vault Beratung
   Geschäftsbereich der omo-net GmbH
   Corporate-Design (self-contained, keine externen Deps)
   ========================================================= */

:root {
  --bg:        #ffffff;
  --bg-soft:   #f4f7fb;
  --bg-softer: #eaf0f8;
  --ink:       #0e1a2b;
  --ink-soft:  #46586f;
  --ink-faint: #7688a0;

  --brand:     #2563eb;   /* Blau — Data */
  --brand-600: #1d4ed8;
  --brand-700: #1e40af;
  --accent:    #06b6d4;   /* Cyan */
  --accent-2:  #4f46e5;   /* Indigo (Brücke zu omo-net) */

  --line:      #e0e8f2;
  --card:      #ffffff;

  --radius:    18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(14,26,43,.06), 0 1px 3px rgba(14,26,43,.05);
  --shadow-md: 0 10px 30px -12px rgba(14,26,43,.20);
  --shadow-lg: 0 24px 60px -20px rgba(15,32,72,.38);

  --maxw: 1160px;
  --nav-h: 72px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg);
  line-height: 1.65; font-size: 17px; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img,svg { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--brand-700); }
h1,h2,h3,h4 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); font-weight: 780; }
h3 { font-size: 1.2rem; font-weight: 700; }
p  { margin: 0 0 1rem; color: var(--ink-soft); }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.section { padding: clamp(60px, 8vw, 108px) 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding-top: 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--brand); margin-bottom: 14px;
}
.eyebrow::before { content:""; width: 22px; height: 2px; background: linear-gradient(90deg,var(--brand),var(--accent)); border-radius: 2px; }
.section__head { max-width: 760px; margin-bottom: 50px; }
.section__head.center { margin-inline: auto; text-align: center; }
.section__head.center .eyebrow { justify-content: center; }
.section__head p { font-size: 1.08rem; }
.lead { font-size: 1.18rem; color: var(--ink-soft); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 13px 24px;
  border-radius: 999px; font-weight: 650; font-size: .98rem; cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: linear-gradient(135deg, var(--brand), var(--accent)); color:#fff; box-shadow: 0 10px 24px -10px rgba(37,99,235,.7); }
.btn--primary:hover { color:#fff; transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(37,99,235,.75); }
.btn--ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); background:#fff; }
.btn--light { background: rgba(255,255,255,.12); color:#fff; border-color: rgba(255,255,255,.24); }
.btn--light:hover { background: rgba(255,255,255,.2); color:#fff; transform: translateY(-2px); }

/* Header / Nav */
.site-header {
  position: sticky; top: 0; z-index: 60; height: var(--nav-h);
  background: rgba(255,255,255,.82); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -0.03em; font-size: 1.24rem; color: var(--ink); flex: 0 0 auto; }
.brand:hover { color: var(--ink); }
.brand__mark { width: 34px; height: 34px; flex: 0 0 auto; }
.brand__name { white-space: nowrap; }
.brand__name b { color: var(--brand); font-weight: 800; }
.brand__name i { display:block; font-style: normal; font-size: .62rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; color: var(--ink-faint); margin-top: -2px; }
.nav__links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__links a { color: var(--ink-soft); font-weight: 550; font-size: .94rem; padding: 9px 13px; border-radius: 10px; }
.nav__links a:hover { color: var(--ink); background: var(--bg-softer); }
.nav__links a.active { color: var(--brand); }
.nav__cta { display: flex; align-items: center; gap: 12px; }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; border-radius: 10px; }
.nav__toggle:hover { background: var(--bg-softer); }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }
.nav__toggle span + span { margin-top: 5px; }

/* Hero */
.hero {
  position: relative; overflow: hidden; color: #eaf1ff;
  background:
    radial-gradient(1000px 500px at 82% -10%, rgba(6,182,212,.34), transparent 60%),
    radial-gradient(880px 500px at 6% 15%, rgba(37,99,235,.40), transparent 58%),
    linear-gradient(160deg, #0a1428 0%, #10203f 55%, #0b1730 100%);
}
.hero__inner { padding: clamp(64px, 9vw, 112px) 0 clamp(58px, 7vw, 96px); max-width: 900px; }
.hero__kicker {
  display: inline-flex; align-items: center; gap: 10px; font-size: .8rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color:#8fd7ee; background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14); padding: 7px 15px; border-radius: 999px; margin-bottom: 24px;
}
.hero h1 { color:#fff; margin-bottom: .3em; }
.hero h1 .grad { background: linear-gradient(100deg,#67e8f9,#7dd3fc 55%,#a5b4fc); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__sub { font-size: 1.2rem; color:#c3d2ec; max-width: 640px; margin-bottom: 32px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero__points { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; max-width: 740px; }
.hero__point { display: flex; gap: 11px; align-items: flex-start; color:#d7e2f6; font-size: .95rem; }
.hero__point svg { width: 20px; height: 20px; color:#67e8f9; flex: 0 0 auto; margin-top: 2px; }

/* Trust strip */
.strip { border-block: 1px solid var(--line); background:#fff; }
.strip__inner { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 40px; padding: 24px 0; }
.strip__item { display: inline-flex; align-items: center; gap: 10px; color: var(--ink-soft); font-weight: 600; font-size: .95rem; }
.strip__item svg { width: 20px; height: 20px; color: var(--brand); }

/* Cards / pillars */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3,1fr); }
.grid--2 { grid-template-columns: repeat(2,1fr); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color:#cfdcee; }
.card__ic { width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 16px; color:#fff; }
.card__ic svg { width: 25px; height: 25px; }
.ic-blue { background: linear-gradient(135deg,#2563eb,#3b82f6); }
.ic-cyan { background: linear-gradient(135deg,#0891b2,#06b6d4); }
.ic-indigo { background: linear-gradient(135deg,#4f46e5,#6366f1); }
.card h3 { margin-bottom: .35em; }
.card p { margin: 0; font-size: .97rem; }
.card__list { list-style: none; padding: 0; margin: 14px 0 0; }
.card__list li { position: relative; padding-left: 24px; margin-bottom: 8px; font-size: .93rem; color: var(--ink-soft); }
.card__list li::before { content:""; position: absolute; left: 0; top: .5em; width: 13px; height: 8px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

/* Data Vault schema */
.vault { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.vault__viz { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow-sm); }
.vault__lane { margin-bottom: 22px; }
.vault__lane:last-child { margin-bottom: 0; }
.vault__label { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px; }
.vault__row { display: flex; gap: 12px; flex-wrap: wrap; }
.node { flex: 1; min-width: 90px; border-radius: 11px; padding: 12px 10px; text-align: center; font-weight: 700; font-size: .9rem; color:#fff; box-shadow: var(--shadow-sm); }
.node small { display:block; font-weight: 600; font-size: .68rem; opacity: .85; margin-top: 2px; }
.node--hub { background: linear-gradient(135deg,#2563eb,#3b82f6); }
.node--link { background: linear-gradient(135deg,#0891b2,#06b6d4); }
.node--sat { background: linear-gradient(135deg,#64748b,#94a3b8); }
.vault__list { list-style: none; margin: 20px 0 0; padding: 0; }
.vault__list li { position: relative; padding-left: 30px; margin-bottom: 14px; }
.vault__list li b { display:block; color: var(--ink); font-size: 1rem; margin-bottom: 1px; }
.vault__list li span { color: var(--ink-soft); font-size: .95rem; }
.vault__list li::before { content:""; position: absolute; left:0; top:3px; width: 18px; height: 18px; border-radius: 6px;
  background: rgba(37,99,235,.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat; }

/* Process / method */
.method { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 44px; }
.step { position: relative; text-align: center; }
.step__dot {
  width: 58px; height: 58px; border-radius: 50%; margin: 0 auto 16px; display: grid; place-items: center;
  background:#fff; border: 2px solid var(--line); font-weight: 800; color: var(--brand); font-size: 1.05rem; position: relative; z-index: 2;
}
.step:not(:last-child) .step__dot::after {
  content:""; position: absolute; left: calc(50% + 40px); top: 50%; width: calc(100% + 18px); height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--accent)); z-index: 1; transform: translateY(-50%);
}
.step h4 { font-size: 1.02rem; margin-bottom: .3em; }
.step p { font-size: .9rem; margin: 0; }
.method-tags { display:flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.tag { font-size: .85rem; font-weight: 600; color: var(--brand-700); background:#e8effd; border: 1px solid #d6e2fb; padding: 7px 15px; border-radius: 999px; }

/* Seminar teaser (→ agil-bi) */
.promo {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center;
  border-radius: 22px; padding: clamp(32px,5vw,48px); border: 1px solid var(--line); background:#fff; box-shadow: var(--shadow-md);
}
.promo h3 { font-size: clamp(1.4rem,3vw,1.9rem); }
.promo p { margin-bottom: 0; }
.promo__badge { justify-self: center; width: 132px; height: 132px; border-radius: 26px; display: grid; place-items: center; color:#fff;
  background: linear-gradient(135deg,#4f46e5,#06b6d4); box-shadow: var(--shadow-md); }
.promo__badge svg { width: 62px; height: 62px; }
.promo__actions { margin-top: 20px; display:flex; flex-wrap: wrap; gap: 12px; }

/* CTA band */
.cta {
  position: relative; overflow: hidden; border-radius: 26px; color:#fff; padding: clamp(38px,6vw,64px);
  background:
    radial-gradient(700px 340px at 85% 10%, rgba(6,182,212,.42), transparent 60%),
    radial-gradient(600px 340px at 5% 90%, rgba(79,70,229,.4), transparent 60%),
    linear-gradient(150deg,#0f1e3c,#0b1730);
  box-shadow: var(--shadow-lg);
}
.cta h2 { color:#fff; }
.cta p { color:#c3d2ec; max-width: 600px; }
.cta__actions { display:flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }

/* Footer */
.footer { background:#0a1428; color:#9fb0cc; padding: 60px 0 30px; }
.footer a { color:#c3d2ec; }
.footer a:hover { color:#fff; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; margin-bottom: 42px; }
.footer .brand { color:#fff; margin-bottom: 14px; }
.footer .brand__name i { color:#8194b4; }
.footer__about { font-size: .95rem; color:#8194b4; max-width: 340px; }
.footer h4 { color:#fff; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.footer ul { list-style:none; margin:0; padding:0; }
.footer li { margin-bottom: 10px; font-size: .95rem; }
.footer__bar { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display:flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: .88rem; color:#8194b4; }

/* Legal pages */
.page-hero { background: linear-gradient(160deg,#0a1428,#10203f); color:#fff; padding: clamp(64px,8vw,92px) 0 clamp(40px,5vw,56px); }
.page-hero h1 { color:#fff; }
.page-hero p { color:#c3d2ec; max-width: 620px; }
.legal { max-width: 820px; }
.legal h2 { font-size: 1.4rem; margin-top: 44px; padding-top: 8px; }
.legal h2:first-of-type { margin-top: 0; }
.legal h3 { font-size: 1.08rem; margin-top: 28px; }
.legal p, .legal li { font-size: 1rem; }
.legal address { font-style: normal; color: var(--ink-soft); line-height: 1.9; }
.data-table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: .98rem; }
.data-table td { padding: 11px 14px; border: 1px solid var(--line); vertical-align: top; }
.data-table td:first-child { font-weight: 600; color: var(--ink); width: 40%; background: var(--bg-soft); }
.note { border-left: 4px solid var(--accent); background: #ecfeff; border-radius: 0 12px 12px 0; padding: 16px 20px; margin: 22px 0; font-size: .95rem; color: #0e3a44; }
.note b { color: #0e7490; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .grid--3 { grid-template-columns: repeat(2,1fr); }
  .grid--2, .vault, .promo { grid-template-columns: 1fr; }
  .hero__points { grid-template-columns: 1fr; max-width: 420px; }
  .promo__badge { order: -1; }
  .method { grid-template-columns: repeat(2,1fr); gap: 30px 18px; }
  .step:not(:last-child) .step__dot::after { display:none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .nav__links { position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 2px;
    background:#fff; border-bottom: 1px solid var(--line); padding: 12px; box-shadow: var(--shadow-md);
    transform: translateY(-140%); transition: transform .28s ease; }
  .nav__links.open { transform: none; }
  .nav__links a { padding: 12px 14px; }
  .nav__toggle { display: block; }
  .nav__cta .btn { display: none; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .grid--3 { grid-template-columns: 1fr; }
  .method { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}