/* ============================================================
   Ratajski IT Dienstleistungen — Stylesheet
   Dunkles, modernes Design · keine externen Abhängigkeiten
   ============================================================ */

:root {
  --bg: #0b1220;
  --bg-2: #0e1729;
  --bg-3: #111d33;
  --card: rgba(255, 255, 255, 0.03);
  --card-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);
  --text: #e8eef7;
  --muted: #9db0c7;
  --accent: #38bdf8;
  --accent-2: #6366f1;
  --gradient: linear-gradient(135deg, #38bdf8 0%, #6366f1 100%);
  --glow: 0 0 80px rgba(56, 189, 248, 0.18);
  --radius: 16px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(56, 189, 248, 0.35); }

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

section { padding: 96px 0; position: relative; }

/* ---------- Typografie ---------- */

h1, h2, h3, h4 { line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-tag::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
}

.section-title { font-size: clamp(28px, 4vw, 42px); margin-bottom: 16px; }
.section-lead { font-size: 18px; color: var(--muted); max-width: 640px; }

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(11, 18, 32, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 19px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.35);
}
.logo-mark svg { width: 22px; height: 22px; }
.logo small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a {
  color: var(--muted);
  font-weight: 600;
  font-size: 15px;
  transition: color 0.2s;
}
.main-nav a:hover { color: var(--text); text-decoration: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  place-items: center;
}
.nav-toggle svg { width: 22px; height: 22px; stroke: var(--text); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 6px 24px rgba(56, 189, 248, 0.35);
}
.btn-primary:hover { box-shadow: 0 10px 32px rgba(56, 189, 248, 0.5); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }

.btn-sm { padding: 10px 20px; font-size: 14px; }

/* ---------- Hero ---------- */

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 150px 0 90px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
}
.hero-bg .orb-1 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(56,189,248,0.28), transparent 70%);
  top: -140px; right: -120px;
}
.hero-bg .orb-2 {
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(99,102,241,0.24), transparent 70%);
  bottom: -160px; left: -140px;
}
#netCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
}

/* Ganzseitiger Hintergrund auf Unterseiten (Impressum/Datenschutz) */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.page-bg #netCanvas { opacity: 0.65; }
.hero-bg .grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148,163,184,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black 30%, transparent 75%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 28px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 10px #34d399;
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.82); }
}

.hero h1 {
  font-size: clamp(36px, 5.4vw, 60px);
  margin-bottom: 22px;
}
.hero-lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-trust { border-top: 1px solid var(--border); padding-top: 24px; }
.hero-trust span {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-weight: 600;
}
.trust-logos {
  display: flex;
  gap: 28px;
  margin-top: 14px;
  flex-wrap: wrap;
  align-items: center;
}
.trust-logos b {
  font-size: 17px;
  font-weight: 800;
  color: rgba(232, 238, 247, 0.72);
  letter-spacing: 0.01em;
}

/* Hero-Karte rechts */
.hero-card {
  background: linear-gradient(160deg, rgba(255,255,255,0.055), rgba(255,255,255,0.02));
  border: 1px solid var(--border-strong);
  border-radius: 22px;
  padding: 34px;
  box-shadow: var(--glow);
  backdrop-filter: blur(6px);
}
.hero-card h3 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 22px;
}
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}
.stat-chip .num {
  font-size: 30px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}
.stat-chip .lbl { font-size: 13.5px; color: var(--muted); margin-top: 4px; }

.signal-wave { margin-top: 24px; overflow: hidden; border-radius: 12px; }
.signal-wave svg { width: 100%; height: 64px; }
.signal-wave path {
  fill: none;
  stroke: url(#waveGrad);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 640;
  stroke-dashoffset: 640;
  animation: drawWave 3.2s ease-out forwards, floatWave 5s 3.2s ease-in-out infinite alternate;
}
@keyframes drawWave { to { stroke-dashoffset: 0; } }
@keyframes floatWave { from { transform: translateY(0); } to { transform: translateY(3px); } }

/* ---------- Leistungen ---------- */

/* Halbtransparent, damit die Netz-Animation dahinter durchscheint */
.services { background: rgba(14, 23, 41, 0.66); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.45);
  background: var(--card-hover);
}
.service-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.3);
}
.service-icon svg { width: 26px; height: 26px; stroke: #fff; }
.service-card h3 { font-size: 21px; margin-bottom: 10px; }
.service-card > p { color: var(--muted); margin-bottom: 20px; font-size: 15.5px; }

.feature-list { list-style: none; display: grid; gap: 10px; }
.feature-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14.5px;
  color: var(--muted);
}
.feature-list svg {
  width: 17px; height: 17px;
  stroke: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ---------- Qualität / Zertifizierung ---------- */

.quality-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.cert-panel {
  background: linear-gradient(150deg, rgba(56,189,248,0.12), rgba(99,102,241,0.10));
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 22px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}
.cert-panel::after {
  content: "";
  position: absolute;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56,189,248,0.22), transparent 70%);
  top: -90px; right: -70px;
  filter: blur(30px);
}
.cert-badge {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.cert-badge .seal {
  width: 68px; height: 68px;
  border-radius: 18px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 28px rgba(56, 189, 248, 0.45);
  flex-shrink: 0;
}
.cert-badge .seal svg { width: 34px; height: 34px; stroke: #fff; }
.cert-badge h3 { font-size: 26px; }
.cert-badge p { color: var(--accent); font-weight: 600; font-size: 14.5px; }
.cert-panel > p { color: var(--muted); position: relative; z-index: 1; }

.quality-points { display: grid; gap: 18px; margin-top: 40px; }
.quality-point { display: flex; gap: 16px; align-items: flex-start; }
.quality-point .qp-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.quality-point .qp-icon svg { width: 21px; height: 21px; stroke: var(--accent); }
.quality-point h4 { font-size: 16.5px; margin-bottom: 3px; }
.quality-point p { font-size: 14.5px; color: var(--muted); }

/* ---------- Referenzen ---------- */

.references { background: rgba(14, 23, 41, 0.66); }

.ref-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.ref-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, border-color 0.25s;
}
.ref-card:hover { transform: translateY(-6px); border-color: rgba(56,189,248,0.45); }
.ref-type {
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 10px;
}
.ref-card h3 { font-size: 19px; margin-bottom: 12px; }
.ref-card > p { color: var(--muted); font-size: 14.5px; margin-bottom: 20px; flex: 1; }

.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}
.testimonial {
  background: linear-gradient(155deg, rgba(56,189,248,0.09), rgba(99,102,241,0.07));
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: var(--radius);
  padding: 28px;
}
.testimonial .stars { display: flex; gap: 3px; margin-bottom: 16px; }
.testimonial .stars svg { width: 17px; height: 17px; fill: #fbbf24; stroke: none; }
.testimonial blockquote { font-size: 15px; color: var(--text); font-style: italic; margin-bottom: 16px; }
.testimonial cite {
  font-style: normal;
  font-size: 13.5px;
  color: var(--muted);
}
.testimonial cite b { display: block; color: var(--text); font-size: 14px; }

/* ---------- Einsatzgebiet ---------- */

.area-band {
  background: linear-gradient(135deg, rgba(56,189,248,0.13), rgba(99,102,241,0.13));
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 22px;
  padding: 48px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.area-band .area-text { max-width: 620px; }
.area-band h3 { font-size: 24px; margin-bottom: 8px; }
.area-band p { color: var(--muted); }

/* ---------- Kontakt ---------- */

.contact-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  margin-top: 56px;
  align-items: start;
}

.contact-form-panel, .contact-info-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 7px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
}
.form-group textarea { resize: vertical; min-height: 130px; }

.form-consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 22px;
}
.form-consent input { margin-top: 3px; accent-color: var(--accent); }

.form-status {
  margin-top: 16px;
  padding: 13px 16px;
  border-radius: 11px;
  font-size: 14.5px;
  display: none;
}
.form-status.ok {
  display: block;
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.4);
  color: #6ee7b7;
}
.form-status.err {
  display: block;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.4);
  color: #fca5a5;
}

.contact-item { display: flex; gap: 16px; align-items: flex-start; padding: 16px 0; }
.contact-item + .contact-item { border-top: 1px solid var(--border); }
.contact-item .ci-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.3);
}
.contact-item .ci-icon svg { width: 20px; height: 20px; stroke: #fff; }
.contact-item h4 { font-size: 15.5px; margin-bottom: 3px; }
.contact-item p, .contact-item a { font-size: 14.5px; color: var(--muted); }
.contact-item a { color: var(--accent); }
.contact-item small { display: block; font-size: 12.5px; color: var(--muted); opacity: 0.8; margin-top: 2px; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(14, 23, 41, 0.66);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-grid h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 16px;
}
.footer-grid p, .footer-grid li { font-size: 14.5px; color: var(--muted); }
.footer-grid ul { list-style: none; display: grid; gap: 9px; }
.footer-grid a { color: var(--muted); }
.footer-grid a:hover { color: var(--text); }
.footer-brand { max-width: 320px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------- Rechtliche Seiten (Impressum / Datenschutz) ---------- */

.legal-page { padding: 160px 0 96px; min-height: 70vh; }
.legal-page h1 { font-size: clamp(30px, 4vw, 42px); margin-bottom: 8px; }
.legal-page .legal-sub { color: var(--muted); margin-bottom: 48px; font-size: 17px; }
.legal-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
}
.legal-block h2 { font-size: 21px; margin-bottom: 16px; }
.legal-block h3 { font-size: 16px; margin: 20px 0 6px; }
.legal-block p, .legal-block li { color: var(--muted); font-size: 15px; }
.legal-block ul { padding-left: 20px; margin-top: 8px; }
.legal-meta { font-size: 13px; color: var(--muted); opacity: 0.7; text-align: center; margin-top: 32px; }

/* ---------- Scroll-Reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .signal-wave path, .hero-badge .dot { animation: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .hero-inner, .quality-inner, .contact-inner { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .ref-grid, .testimonials { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { min-height: auto; padding-top: 130px; }
  section { padding: 72px 0; }
}

@media (max-width: 820px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(11, 18, 32, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 4px; border-bottom: 1px solid var(--border); }
  .main-nav .btn { margin-top: 16px; }
  .nav-toggle { display: grid; }
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .area-band { padding: 32px 24px; }
  .contact-form-panel, .contact-info-panel { padding: 26px 20px; }
}