/* ============================================================
   IT-Saar Solutions — Redesign 2026
   Dunkles Design mit blau-silbernen Aurora-Lichtströmen
   ============================================================ */

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

:root {
  --bg: #05060a;
  --bg-soft: #0a0d14;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-border: rgba(255, 255, 255, 0.09);
  --text: #f2f5f9;
  --text-dim: #9aa5b5;
  --accent: #4a9eff;
  --accent-2: #8ab8ff;
  --silver: #d8dde6;
  --radius: 20px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Inter, Roboto, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.6;
}

/* height:auto ist Pflicht: die width/height-HTML-Attribute (gegen Layout-Shift)
   würden sonst als feste Pixel-Höhe wirken und Bilder hochkant verzerren. */
img { max-width: 100%; height: auto; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

::selection { background: rgba(74, 158, 255, 0.35); }

/* ============ Navigation ============ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(5, 6, 10, 0.65);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); text-decoration: none;
  font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em;
}
.logo img { height: 32px; width: auto; border-radius: 8px; }
.main-nav { display: flex; gap: 6px; }
.main-nav a {
  color: var(--text-dim); text-decoration: none; font-size: 0.92rem;
  padding: 8px 14px; border-radius: 99px; transition: color 0.25s, background 0.25s;
}
.main-nav a:hover, .main-nav a.active { color: var(--text); background: rgba(255,255,255,0.07); }
.nav-actions { display: flex; align-items: center; gap: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  padding: 12px 24px; border-radius: 99px; border: none; cursor: pointer;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
  font-family: var(--font);
}
.btn-primary {
  background: linear-gradient(135deg, #4a9eff, #2f6fe4);
  color: #fff;
  box-shadow: 0 4px 24px rgba(74, 158, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(74, 158, 255, 0.5); }
.btn-ghost, .btn-secondary, .btn-soft {
  background: rgba(255,255,255,0.06); color: var(--text);
  border: 1px solid rgba(255,255,255,0.12);
}
.btn-ghost:hover, .btn-secondary:hover, .btn-soft:hover { background: rgba(255,255,255,0.11); transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }

.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* ============ Hero (Startseite) ============ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; overflow: hidden;
}
.aurora-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  display: block;
  /* Weichzeichnung per CSS statt ctx.filter — Safari kennt Canvas-Filter
     nicht. Der Blur-Radius wird größenabhängig per JS gesetzt; scale()
     versteckt den ausgefransten Blur-Rand hinter den Section-Kanten. */
  filter: blur(14px);
  transform: scale(1.12);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 50% 46%, rgba(5,6,10,0.3), transparent 70%),
    radial-gradient(ellipse 90% 60% at 50% 40%, transparent 40%, rgba(5,6,10,0.55) 100%),
    linear-gradient(to bottom, transparent 75%, var(--bg) 100%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; padding: 120px 24px 80px; max-width: 980px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.04em;
  color: var(--accent-2);
  background: rgba(74, 158, 255, 0.1);
  border: 1px solid rgba(74, 158, 255, 0.25);
  padding: 7px 16px; border-radius: 99px; margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #56d364; box-shadow: 0 0 8px #56d364;
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.4; } }

.hero h1 {
  font-size: clamp(2.8rem, 7.5vw, 5.6rem);
  font-weight: 800; line-height: 1.05; letter-spacing: -0.035em;
  margin-bottom: 26px;
}
.hero h1 .shine {
  background: linear-gradient(100deg, #eef3f9 20%, #7fb4ff 40%, #d8dde6 55%, #4a9eff 75%, #eef3f9 90%);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: shine 7s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }

.hero p {
  font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--text-dim);
  max-width: 640px; margin: 0 auto 40px;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.scroll-hint {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  z-index: 2; color: var(--text-dim); font-size: 1.4rem;
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob { 50% { transform: translate(-50%, 8px); } }

/* ============ Kompakter Seiten-Hero (Unterseiten) ============ */
.page-hero {
  position: relative; overflow: hidden;
  padding: 170px 0 90px; text-align: center;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 70% at 50% 30%, transparent 30%, rgba(5,6,10,0.6) 100%),
    linear-gradient(to bottom, transparent 60%, var(--bg) 100%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px;
}
.page-hero p { color: var(--text-dim); font-size: 1.1rem; max-width: 620px; margin: 0 auto; }

/* ============ Reveal on scroll ============ */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.8s cubic-bezier(0.2,0.6,0.2,1), transform 0.8s cubic-bezier(0.2,0.6,0.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ============ Sections ============ */
.section { padding: 110px 0; position: relative; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.eyebrow {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px; display: block;
}
.section-header h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 750; letter-spacing: -0.025em;
  margin-bottom: 16px;
}
.section-header p { color: var(--text-dim); font-size: 1.08rem; }

/* ============ Stats ============ */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  padding: 46px 0 0;
}
.stat { text-align: center; }
.stat-num {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 800; letter-spacing: -0.03em;
  background: linear-gradient(180deg, #fff, #8ab8ff);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--text-dim); font-size: 0.92rem; margin-top: 4px; }

/* ============ Bento-Kacheln (Leistungen) ============ */
.bento {
  display: grid; gap: 18px;
  grid-template-columns: repeat(6, 1fr);
}
.tile {
  position: relative; overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 34px 30px;
  grid-column: span 2;
  transition: transform 0.35s cubic-bezier(0.2,0.6,0.2,1), border-color 0.35s;
  will-change: transform;
}
.tile.wide { grid-column: span 3; }
.tile.full { grid-column: 1 / -1; }
.tile:hover { border-color: rgba(138, 184, 255, 0.35); }
.tile .glow {
  position: absolute; inset: 0; opacity: 0; transition: opacity 0.4s;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(74,158,255,0.14), transparent 70%);
  pointer-events: none;
}
.tile:hover .glow { opacity: 1; }
.tile-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; font-size: 1.5rem;
  background: linear-gradient(135deg, rgba(74,158,255,0.2), rgba(216,221,230,0.08));
  border: 1px solid rgba(138,184,255,0.25);
  margin-bottom: 20px;
}
.tile h3 { font-size: 1.18rem; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.01em; }
.tile p { color: var(--text-dim); font-size: 0.95rem; }
.tile ul { list-style: none; margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.tile ul li {
  font-size: 0.78rem; color: var(--accent-2);
  background: rgba(74,158,255,0.09); border: 1px solid rgba(74,158,255,0.18);
  padding: 4px 11px; border-radius: 99px;
}

/* ============ Über uns ============ */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.split-img { position: relative; }
.split-img img { width: 100%; height: auto; display: block; }

/* Über-uns-Bild: Ken-Burns (permanent) + 3D-Tilt bei Maus (JS) */
.motion-frame {
  position: relative; overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  transition: transform 0.3s cubic-bezier(0.2,0.6,0.2,1);
  will-change: transform;
}
.motion-frame img {
  animation: kenburns 24s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes kenburns {
  0%   { transform: scale(1) translate(0, 0); }
  50%  { transform: scale(1.08) translate(-1.5%, -1%); }
  100% { transform: scale(1.05) translate(1.5%, 0.5%); }
}
.split-img::before {
  content: ""; position: absolute; inset: -30px;
  background: radial-gradient(closest-side, rgba(74,158,255,0.18), transparent);
  filter: blur(30px); z-index: -1;
}
.float-badge {
  position: absolute; bottom: -22px; right: -14px;
  background: rgba(10, 13, 20, 0.85); backdrop-filter: blur(16px);
  border: 1px solid rgba(138,184,255,0.3); border-radius: 16px;
  padding: 16px 22px; text-align: center;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  animation: hover-float 5s ease-in-out infinite;
}
@keyframes hover-float { 50% { transform: translateY(-8px); } }
.float-badge .num {
  font-size: 1.7rem; font-weight: 800;
  background: linear-gradient(135deg, #4a9eff, #d8dde6);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.float-badge .lbl { font-size: 0.78rem; color: var(--text-dim); }

.split h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 750; letter-spacing: -0.025em; margin-bottom: 18px; }
.split .lead { color: var(--text-dim); margin-bottom: 26px; }
.check-list { list-style: none; display: grid; gap: 13px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text); font-size: 0.98rem; }
.check {
  flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%; margin-top: 2px;
  display: grid; place-items: center; font-size: 0.7rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, #4a9eff, #2f6fe4);
}

/* ============ Referenzen ============ */
.projects { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 24px; }
.project {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--surface-border); background: var(--surface);
  transition: transform 0.4s cubic-bezier(0.2,0.6,0.2,1), border-color 0.4s;
  color: inherit; text-decoration: none; display: block;
}
.project:hover { transform: translateY(-6px); border-color: rgba(138,184,255,0.35); }
.project img { width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; display: block; transition: transform 0.6s; }
.project:hover img { transform: scale(1.04); }
.project-body { padding: 26px 28px 30px; }
.project-tag {
  display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-2); background: rgba(74,158,255,0.1); border: 1px solid rgba(74,158,255,0.2);
  padding: 4px 12px; border-radius: 99px; margin-bottom: 14px;
}
.project h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 4px; }
.project-client { color: var(--accent); font-size: 0.88rem; font-weight: 600; margin-bottom: 12px; }
.project p.desc { color: var(--text-dim); font-size: 0.93rem; }

/* ============ CTA ============ */
.cta {
  position: relative; text-align: center; overflow: hidden;
  border-radius: 28px; padding: 90px 40px;
  border: 1px solid rgba(138,184,255,0.2);
  background: linear-gradient(180deg, rgba(74,158,255,0.08), rgba(5,6,10,0.4));
}
.cta .aurora-canvas { opacity: 0.55; }
.cta > * { position: relative; z-index: 1; }
.cta .aurora-canvas { z-index: 0; }
.cta h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); font-weight: 780; letter-spacing: -0.03em; margin-bottom: 16px; }
.cta p { color: var(--text-dim); max-width: 560px; margin: 0 auto 34px; }

/* ============ Kontakt ============ */
.contact-layout {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px;
  align-items: start;
}
.contact-info {
  display: grid; gap: 16px;
}
.info-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius); padding: 24px 26px;
  transition: border-color 0.3s;
}
.info-card:hover { border-color: rgba(138,184,255,0.35); }
.info-card .tile-icon { margin-bottom: 0; flex: 0 0 auto; width: 46px; height: 46px; font-size: 1.25rem; }
.info-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.info-card p, .info-card a { color: var(--text-dim); font-size: 0.93rem; text-decoration: none; }
.info-card a:hover { color: var(--accent-2); }

.form-card {
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius); padding: 38px 36px;
}
.form-card h2 { font-size: 1.4rem; font-weight: 750; letter-spacing: -0.02em; margin-bottom: 24px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-dim); margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%; font-family: var(--font); font-size: 0.95rem; color: var(--text);
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px; padding: 13px 16px; outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}
.field input::placeholder, .field textarea::placeholder { color: rgba(154,165,181,0.55); }
.field input:focus, .field textarea:focus {
  border-color: rgba(74,158,255,0.55);
  box-shadow: 0 0 0 3px rgba(74,158,255,0.15);
  background: rgba(255,255,255,0.07);
}
.field textarea { min-height: 140px; resize: vertical; }

.form-success {
  display: none;
  background: rgba(86, 211, 100, 0.1); border: 1px solid rgba(86, 211, 100, 0.3);
  color: #7ee787; border-radius: 12px; padding: 14px 18px; margin-bottom: 20px;
  font-size: 0.92rem;
}
.form-success.visible { display: block; }
.form-error {
  display: none;
  background: rgba(248, 81, 73, 0.1); border: 1px solid rgba(248, 81, 73, 0.3);
  color: #ff7b72; border-radius: 12px; padding: 14px 18px; margin-bottom: 20px;
  font-size: 0.92rem;
}
.form-error.visible { display: block; }

/* ============ Rechtstexte ============ */
.legal-content {
  max-width: 780px; margin: 0 auto; padding: 20px 0 80px;
}
.legal-content h2 {
  font-size: 1.35rem; font-weight: 750; letter-spacing: -0.015em;
  margin: 42px 0 14px;
}
.legal-content h3 { font-size: 1.05rem; font-weight: 700; margin: 26px 0 10px; }
.legal-content p { color: var(--text-dim); margin-bottom: 14px; font-size: 0.97rem; }
.legal-content a { color: var(--accent); }

/* ============ Footer ============ */
.site-footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 44px 0; margin-top: 40px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-copy { color: var(--text-dim); font-size: 0.88rem; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--text-dim); text-decoration: none; font-size: 0.88rem; transition: color 0.25s; }
.footer-links a:hover { color: var(--text); }

/* ============ Cookie-Banner ============ */
.cookie-banner {
  position: fixed; z-index: 200; left: 50%; bottom: 24px; transform: translateX(-50%);
  width: min(680px, calc(100vw - 32px));
  background: rgba(10, 13, 20, 0.9); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12); border-radius: 18px;
  padding: 20px 24px; display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
}
.cookie-banner.hidden { display: none; }
.cookie-banner p { flex: 1 1 320px; font-size: 0.85rem; color: var(--text-dim); }
.cookie-banner a { color: var(--accent); }
.cookie-actions { display: flex; gap: 10px; }

/* ============ Responsive ============ */
@media (max-width: 960px) {
  .bento { grid-template-columns: 1fr 1fr; }
  .tile, .tile.wide { grid-column: span 1; }
  .tile.full { grid-column: 1 / -1; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .projects { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; }
  .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .hero h1 br { display: none; }
  .section { padding: 70px 0; }
  .section-header { margin-bottom: 44px; }
  .page-hero { padding: 140px 0 60px; }
  .float-badge { padding: 10px 16px; right: 8px; bottom: -14px; }
  .float-badge .num { font-size: 1.2rem; }
  .main-nav { display: none; }
  .main-nav.open {
    display: flex; flex-direction: column; position: absolute; top: 68px; left: 16px; right: 16px;
    background: rgba(10,13,20,0.95); backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; padding: 12px;
  }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .bento { grid-template-columns: 1fr; }
  .form-card { padding: 28px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}