/* ───────────────────────────────────────────────────────────
   STERILVISION — Wartungsseite
   Industrial · modern · präzise. Stahlblau, Blueprint, kein "AI-Look".
   ─────────────────────────────────────────────────────────── */
:root {
  /* SterilVision standard — lighter steel-navy, consistent tokens */
  --bg: #0f1a28;
  --bg-2: #16273a;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-solid: #16263a;
  --line: rgba(165, 190, 220, 0.16);
  --line-strong: rgba(165, 190, 220, 0.30);
  --text: #f0f5fb;
  --muted: #aab8cb;
  --faint: #71839a;
  --blue: #4a9fe0;
  --blue-deep: #2f86cf;
  --blue-dark: #1c6cb0;
  --blue-soft: #7cc0f5;
  --blue-rgb: 74, 159, 224;
  --ok: #3ddc97;
  --warn: #eab308;
  --danger: #ef4444;
  --radius: 14px;
  --radius-sm: 9px;
  --font-display: 'Clash Display', system-ui, sans-serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace; /* HMI readouts only */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg); color: var(--text);
  min-height: 100vh; overflow-x: hidden; position: relative;
  -webkit-font-smoothing: antialiased; line-height: 1.6;
}
::selection { background: rgba(var(--blue-rgb), 0.35); color: #fff; }

/* Industrial label */
.eyebrow {
  font-family: var(--font-sans); text-transform: uppercase;
  font-size: 0.72rem; letter-spacing: 0.26em; font-weight: 600; color: var(--blue);
}
.eyebrow.center { text-align: center; }

/* ── Background (blueprint) ────────────────────────────── */
.bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.bg-grad {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 50% -10%, #20344e 0%, transparent 55%),
    linear-gradient(180deg, #13202f 0%, var(--bg) 55%);
}
.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(150,170,200,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150,170,200,0.045) 1px, transparent 1px),
    linear-gradient(rgba(150,170,200,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150,170,200,0.07) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 200px 200px, 200px 200px;
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 30%, #000 35%, transparent 85%);
  mask-image: radial-gradient(ellipse 100% 80% at 50% 30%, #000 35%, transparent 85%);
}
.bg-sheen {
  position: absolute; top: -25%; left: 50%; transform: translateX(-50%);
  width: 90vw; height: 60vh; border-radius: 50%; filter: blur(120px); opacity: 0.5;
  background: radial-gradient(circle, rgba(var(--blue-rgb), 0.22), transparent 65%);
}

/* Corner registration marks (technical drawing) */
.marks { position: fixed; inset: 0; z-index: 2; pointer-events: none; }
.mk { position: absolute; width: 16px; height: 16px; opacity: 0.5; }
.mk::before, .mk::after { content: ''; position: absolute; background: var(--line-strong); }
.mk::before { width: 16px; height: 1px; top: 0; } .mk::after { width: 1px; height: 16px; left: 0; }
.mk.tl { top: 22px; left: 22px; } .mk.tr { top: 22px; right: 22px; transform: scaleX(-1); }
.mk.bl { bottom: 22px; left: 22px; transform: scaleY(-1); } .mk.br { bottom: 22px; right: 22px; transform: scale(-1); }

.vignette { position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse 80% 80% at 50% 35%, transparent 50%, rgba(3,5,9,0.85) 100%); }
.noise { position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ── Top bar ───────────────────────────────────────────── */
.topbar { position: relative; z-index: 5; display: flex; align-items: center; justify-content: space-between; padding: 22px clamp(20px, 4vw, 52px); }
.brand-mini { display: flex; align-items: center; gap: 10px; font-size: 0.78rem; letter-spacing: 0.2em; font-weight: 600; color: var(--muted); }
.brand-mini .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.status-pill {
  font-size: 0.7rem; letter-spacing: 0.06em; font-weight: 500; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 15px;
  background: rgba(255,255,255,0.02); white-space: nowrap;
}
.status-pill .blink { color: var(--warn); margin-right: 4px; animation: blink 1.5s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.25; } }

/* ── Hero ──────────────────────────────────────────────── */
.stage { position: relative; z-index: 5; max-width: 860px; margin: 0 auto;
  padding: clamp(14px, 4vh, 44px) clamp(20px, 5vw, 32px) 40px; text-align: center;
  display: flex; flex-direction: column; align-items: center; }
.stage .eyebrow { margin-bottom: clamp(20px, 4vh, 38px); color: var(--muted); }

/* 3D morphing logo */
.emblem { position: relative; width: min(82vw, 480px); perspective: 1100px; margin-bottom: 8px; }
.emblem-glow { position: absolute; inset: -12% -6%; border-radius: 50%; filter: blur(60px); opacity: 0.55;
  background: radial-gradient(circle, rgba(var(--blue-rgb), 0.3), transparent 68%); animation: glowPulse 6s var(--ease) infinite; }
@keyframes glowPulse { 0%,100% { opacity: 0.4; transform: scale(1); } 50% { opacity: 0.65; transform: scale(1.06); } }
.emblem-img { position: relative; transform-style: preserve-3d; animation: logoMorph 9s ease-in-out infinite; will-change: transform; }
.emblem-img img { width: 100%; height: auto; display: block;
  filter: drop-shadow(0 26px 44px rgba(0,0,0,0.55)) drop-shadow(0 0 36px rgba(var(--blue-rgb), 0.22)); }
@keyframes logoMorph {
  0%,100% { transform: rotateY(-7deg) rotateX(3deg) translateZ(0); }
  50%     { transform: rotateY(7deg)  rotateX(-2deg) translateZ(26px); }
}
/* Specular sheen — mask stays locked to the logo, only the light band travels */
.emblem-img::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; mix-blend-mode: screen;
  background: linear-gradient(110deg, transparent 42%, rgba(220,240,255,0.5) 50%, transparent 58%);
  background-size: 260% 100%; background-repeat: no-repeat; background-position: 160% 0;
  -webkit-mask: url('assets/logo-emblem.png') center / contain no-repeat;
  mask: url('assets/logo-emblem.png') center / contain no-repeat;
  animation: sheen 7s ease-in-out infinite 1s;
}
@keyframes sheen { 0% { background-position: 160% 0; } 55%, 100% { background-position: -60% 0; } }

.headline { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.015em;
  font-size: clamp(1.9rem, 6vw, 3.1rem); color: var(--text); margin-top: clamp(18px, 3vh, 30px); }
.lead { color: var(--muted); font-size: clamp(1rem, 2.2vw, 1.15rem); max-width: 46ch; margin: 16px auto 0; }

/* Contact */
.contact { margin-top: clamp(32px, 5vh, 48px); }
.contact-label { font-family: var(--font-sans); text-transform: uppercase; font-size: 0.7rem;
  letter-spacing: 0.24em; font-weight: 600; color: var(--faint); margin-bottom: 16px;
  display: inline-flex; align-items: center; gap: 12px; }
.contact-label::before, .contact-label::after { content: ''; width: 28px; height: 1px; background: var(--line-strong); }
.links { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.links a { display: inline-flex; align-items: center; gap: 9px; padding: 11px 18px; border-radius: 10px;
  border: 1px solid var(--line-strong); background: rgba(255,255,255,0.02); color: var(--text);
  text-decoration: none; font-size: 0.9rem; font-weight: 500;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease); }
.links a:hover { border-color: var(--blue); background: rgba(var(--blue-rgb), 0.1); transform: translateY(-2px); }
.links a svg { width: 18px; height: 18px; }
.links a.primary { background: linear-gradient(180deg, var(--blue), var(--blue-dark)); border-color: transparent; color: #04121d; font-weight: 600; }
.links a.primary:hover { filter: brightness(1.08); }

/* ── Work tiles ────────────────────────────────────────── */
.work { position: relative; z-index: 5; max-width: 1040px; margin: clamp(56px, 11vh, 120px) auto 0; padding: 0 clamp(20px, 5vw, 32px); }
.work .eyebrow { margin-bottom: 30px; }
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tile { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--panel);
  backdrop-filter: blur(8px); transition: border-color 0.4s var(--ease), transform 0.4s var(--ease); }
.tile:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.tile-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border-bottom: 1px solid var(--line); background: #0a0f16; }
.tile-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.tile:hover .tile-media img { transform: scale(1.04); }
.tile-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(7,10,15,0.55)); pointer-events: none; }
.tile-body { padding: 24px clamp(20px, 3vw, 28px) 26px; }
.tile-top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.tile-num { font-family: var(--font-display); font-weight: 600; font-size: 1rem; color: var(--faint); }
.tile-eyebrow { text-transform: uppercase; font-size: 0.66rem; letter-spacing: 0.2em; font-weight: 600; color: var(--blue);
  border: 1px solid var(--line-strong); border-radius: 5px; padding: 3px 8px; }
.tile-title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.35rem, 3vw, 1.7rem); letter-spacing: -0.01em; }
.tile-text { color: var(--muted); margin-top: 10px; font-size: 0.98rem; }
.tile-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.tile-tags li { display: flex; align-items: center; gap: 7px; font-size: 0.8rem; color: var(--muted); }
.tile-tags li::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 8px rgba(var(--blue-rgb), 0.6); }

/* ── Footer ────────────────────────────────────────────── */
.footer { position: relative; z-index: 5; text-align: center; padding: clamp(48px, 9vh, 90px) 20px 44px;
  font-size: 0.74rem; letter-spacing: 0.06em; color: var(--faint); display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.footer .sep { opacity: 0.5; }
.footer-legal { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin-bottom: 14px; }
.footer-legal a { color: var(--muted); text-decoration: none; font-size: 0.8rem; transition: color 0.25s; }
.footer-legal a:hover { color: var(--blue); }

/* ── Competitions / participation ──────────────────────── */
.comps { position: relative; z-index: 5; max-width: 1040px; margin: clamp(52px, 10vh, 100px) auto 0; padding: 0 clamp(20px, 5vw, 32px); text-align: center; }
.comps .eyebrow { margin-bottom: 26px; }
.comp-badges { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.comp { display: flex; align-items: center; gap: 14px; padding: 15px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
  text-align: left; transition: border-color 0.35s var(--ease), transform 0.35s var(--ease); }
.comp:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.comp-ic { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--line-strong); color: var(--blue); flex-shrink: 0; }
.comp-ic svg { width: 20px; height: 20px; }
.comp-name { display: block; font-weight: 600; font-size: 0.95rem; color: var(--text); }
.comp-meta { display: block; font-size: 0.66rem; color: var(--blue); text-transform: uppercase; letter-spacing: 0.14em; font-weight: 600; margin-top: 4px; }

/* ── Contact form ──────────────────────────────────────── */
.kontakt { position: relative; z-index: 5; max-width: 620px; margin: clamp(56px, 11vh, 120px) auto 0; padding: 0 clamp(20px, 5vw, 32px); text-align: center; }
.kontakt .eyebrow { margin-bottom: 14px; }
.kontakt h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.7rem, 5vw, 2.6rem); letter-spacing: -0.01em; }
.kontakt .k-sub { color: var(--muted); margin: 12px auto 28px; max-width: 44ch; }
.form { display: grid; gap: 14px; text-align: left; }
.form .row { display: grid; gap: 14px; }
@media (min-width: 560px) { .form .row { grid-template-columns: 1fr 1fr; } }
.field label { display: block; text-transform: uppercase; font-size: 0.64rem; letter-spacing: 0.18em; font-weight: 600; color: var(--faint); margin-bottom: 7px; }
.field input, .field textarea { width: 100%; background: rgba(255,255,255,0.03); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 13px 15px; color: var(--text); font: inherit; outline: none; transition: border-color 0.25s, background 0.25s; }
.field input:focus, .field textarea:focus { border-color: var(--blue); background: rgba(var(--blue-rgb), 0.06); }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.form-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.btn-submit { display: inline-flex; align-items: center; gap: 9px; background: linear-gradient(180deg, var(--blue), var(--blue-dark)); color: #04121d;
  font-weight: 600; border: none; border-radius: var(--radius-sm); padding: 13px 26px; cursor: pointer; transition: filter 0.25s, transform 0.25s; }
.btn-submit:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.6; cursor: default; transform: none; }
.form-status { font-size: 0.85rem; font-weight: 500; }
.form-status.ok { color: var(--ok); } .form-status.err { color: var(--danger); } .form-status.busy { color: var(--muted); }
.k-alt { margin-top: 26px; }
.k-alt .contact-label { justify-content: center; }

/* ── Legal pages (Impressum / Datenschutz) ─────────────── */
.legal { position: relative; z-index: 5; max-width: 760px; margin: 0 auto; padding: clamp(90px, 14vh, 150px) clamp(20px, 5vw, 32px) 80px; }
.legal .back { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); text-decoration: none; font-size: 0.85rem; margin-bottom: 28px; transition: color 0.25s; }
.legal .back:hover { color: var(--blue); }
.legal h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(2rem, 5vw, 2.8rem); margin-bottom: 8px; }
.legal .updated { color: var(--faint); font-size: 0.8rem; margin-bottom: 36px; }
.legal h2 { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; margin: 34px 0 10px; color: var(--text); }
.legal h3 { font-size: 1rem; font-weight: 600; margin: 20px 0 6px; color: var(--text); }
.legal p, .legal li { color: var(--muted); line-height: 1.75; font-size: 0.95rem; }
.legal ul { padding-left: 1.3rem; margin: 8px 0; }
.legal a { color: var(--blue); }
.legal .ph { color: var(--warn); font-style: italic; }

/* ── Reveal (gated on intro) ───────────────────────────── */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(26px); }
.js body.ready .reveal { animation: rise 0.9s var(--ease) forwards; }
.eyebrow.reveal { animation-delay: 0.05s; }
.emblem.reveal { animation-delay: 0.15s; }
.headline.reveal { animation-delay: 0.3s; }
.lead.reveal { animation-delay: 0.42s; }
.contact.reveal { animation-delay: 0.54s; }
.tile.reveal:nth-of-type(2) { animation-delay: 0.12s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ══ HMI PANEL (Siemens-style industrial interface) ════ */
.hmi {
  position: relative; z-index: 5; max-width: 1180px; margin: clamp(16px, 3vh, 34px) auto;
  border: 1px solid var(--line-strong); border-radius: 18px; overflow: hidden;
  background: linear-gradient(180deg, rgba(22,36,54,0.72), rgba(14,24,38,0.74));
  backdrop-filter: blur(10px);
  box-shadow: 0 40px 120px -50px rgba(0,0,0,0.85), inset 0 1px 0 rgba(255,255,255,0.05);
}
/* Status bar */
.hmi-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 12px clamp(16px, 3vw, 26px); border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.055), transparent); font-family: var(--font-mono); font-size: 0.72rem; }
.hmi-bar-left { display: flex; align-items: center; gap: 12px; }
.hmi-id { font-weight: 700; letter-spacing: 0.14em; color: var(--text); }
.hmi-dim { color: var(--faint); letter-spacing: 0.1em; }
.hmi-bar-right { display: flex; align-items: center; gap: clamp(14px, 2.5vw, 28px); flex-wrap: wrap; }
.hmi-stat { display: inline-flex; align-items: center; gap: 8px; }
.hmi-stat .lbl { color: var(--faint); text-transform: uppercase; letter-spacing: 0.1em; }
.hmi-stat .val { color: var(--text); font-weight: 500; }
.amber-t { color: var(--warn) !important; }
.led { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.led.green { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.led.amber { background: var(--warn); box-shadow: 0 0 8px var(--warn); animation: ledBlink 1.6s steps(2) infinite; }
.led.red { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
@keyframes ledBlink { 50% { opacity: 0.3; } }

.hmi-body { padding: clamp(14px, 2.4vw, 22px); display: flex; flex-direction: column; gap: clamp(14px, 2.4vw, 22px); }

/* Module */
.module { border: 1px solid var(--line); border-radius: var(--radius); background: rgba(10,18,29,0.42); overflow: hidden; }
.module-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px;
  border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.025); font-family: var(--font-mono); font-size: 0.7rem; }
.mh-title { color: var(--blue-soft); text-transform: uppercase; letter-spacing: 0.16em; font-weight: 500; }
.mh-title::before { content: '◢ '; color: var(--blue); }
.mh-meta { display: inline-flex; align-items: center; gap: 7px; color: var(--faint); text-transform: uppercase; letter-spacing: 0.1em; }
.module-body { padding: clamp(22px, 4vw, 40px); }
.module-hero .stage { max-width: 760px; margin: 0 auto; padding: 6px 0; }
.module .kontakt { max-width: 620px; margin: 0 auto; }
.module .kontakt .k-sub { margin-top: 0; }

/* Function-key strip */
.hmi-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  padding: 12px clamp(16px, 3vw, 26px); border-top: 1px solid var(--line); background: rgba(0,0,0,0.22); }
.fkeys { display: flex; gap: 10px; flex-wrap: wrap; }
.fkey { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); color: var(--muted); text-decoration: none; font-size: 0.78rem; transition: border-color 0.25s, color 0.25s, background 0.25s; }
.fkey:hover { border-color: var(--blue); color: var(--text); background: rgba(var(--blue-rgb), 0.08); }
.fkey .fk { font-family: var(--font-mono); font-size: 0.6rem; font-weight: 700; color: var(--blue);
  border: 1px solid var(--line-strong); border-radius: 4px; padding: 2px 5px; }
.hmi-foot-meta { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; color: var(--faint); }

@media (max-width: 720px) {
  .hmi { margin: 0; border-radius: 0; border-left: 0; border-right: 0; }
  .hmi-bar { font-size: 0.6rem; gap: 10px; }
  .hmi-foot { justify-content: center; }
}

/* ══ HMI DEVICE BEZEL & FINESSE ════════════════════════ */
.device {
  position: relative; z-index: 5; max-width: 1216px; margin: clamp(14px, 3vh, 30px) auto; padding: 16px;
  border-radius: 26px;
  background: linear-gradient(158deg, #2a3744 0%, #0c141d 62%);
  box-shadow: 0 55px 130px -55px rgba(0,0,0,0.9), inset 0 1px 0 rgba(255,255,255,0.08), inset 0 0 0 1px rgba(0,0,0,0.45);
}
.device > .hmi { margin: 0; max-width: none; }
.screw { position: absolute; width: 10px; height: 10px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #7c8a9c, #2a333d 75%); box-shadow: inset 0 0 0 1px rgba(0,0,0,0.5), 0 1px 1px rgba(0,0,0,0.4); }
.screw.s1 { top: 13px; left: 13px; } .screw.s2 { top: 13px; right: 13px; }
.screw.s3 { bottom: 13px; left: 13px; } .screw.s4 { bottom: 13px; right: 13px; }
.device-plate { position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 0.56rem; letter-spacing: 0.14em; color: var(--faint);
  background: #0b121b; border: 1px solid var(--line); border-radius: 5px; padding: 2px 12px; white-space: nowrap; }

/* Faint display scanlines on the screen */
.hmi::after { content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 6; border-radius: inherit;
  background: repeating-linear-gradient(180deg, rgba(255,255,255,0.014) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay; opacity: 0.6; }

/* Register / tabs */
.hmi-tabs { display: flex; gap: 2px; padding: 0 clamp(8px, 2vw, 16px); border-bottom: 1px solid var(--line);
  background: rgba(0,0,0,0.18); overflow-x: auto; scrollbar-width: none; }
.hmi-tabs::-webkit-scrollbar { display: none; }
.tab { appearance: none; background: none; border: 0; border-bottom: 2px solid transparent; cursor: pointer; font: inherit;
  font-size: 0.74rem; font-weight: 600; color: var(--muted); padding: 12px 16px; white-space: nowrap;
  transition: color 0.25s, border-color 0.25s, background 0.25s; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--blue-soft); border-bottom-color: var(--blue);
  background: linear-gradient(180deg, rgba(var(--blue-rgb), 0.1), transparent); }
.tab:active { transform: translateY(1px); }

/* Meldezeile (alarm/message line) */
.hmi-msgline { display: flex; align-items: center; gap: 12px; padding: 9px clamp(14px, 3vw, 26px);
  border-bottom: 1px solid var(--line); background: rgba(234,179,8,0.05); font-family: var(--font-mono); font-size: 0.7rem; overflow: hidden;
  transition: background 0.4s; }
.hmi-msgline.info { background: rgba(var(--blue-rgb), 0.05); }
.msg-time { color: var(--faint); flex-shrink: 0; }
.msg-sev { font-weight: 700; color: var(--warn); letter-spacing: 0.06em; flex-shrink: 0; }
.hmi-msgline.info .msg-sev { color: var(--blue-soft); }
.hmi-msgline.info #msg-led { background: var(--blue); box-shadow: 0 0 8px var(--blue); animation: none; }
.msg-text { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: opacity 0.3s; }

/* Systemdiagnose */
.diag { display: grid; grid-template-columns: repeat(auto-fit, minmax(155px, 1fr)); gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.diag-cell { background: rgba(10,18,29,0.65); padding: 14px 16px; display: flex; flex-direction: column; gap: 7px; }
.dc-lbl { font-family: var(--font-mono); font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--faint); }
.dc-val { font-size: 0.92rem; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 7px; }
.diag-bar-cell { gap: 10px; }
.diag-bar { height: 6px; background: rgba(255,255,255,0.07); border-radius: 999px; overflow: hidden; }
.diag-bar span { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--blue-deep), var(--blue)); }

/* Press feedback */
.fkey:active, .btn-submit:active { transform: translateY(1px); }
.tile:active { transform: translateY(-2px); }

.hide-sm { display: inline-flex; }
@media (max-width: 860px) { .hide-sm { display: none; } }

/* ── Team & social boxes ───────────────────────────────── */
.tk-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; }
.tk-team { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tk-social { display: grid; grid-template-rows: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .tk-grid { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .tk-team { grid-template-columns: 1fr; } }

.member { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel);
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease); }
.member:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.member-photo { aspect-ratio: 4 / 5; overflow: hidden; background: #0a0f16; }
.member-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 18%; transition: transform 0.6s var(--ease); }
.member:hover .member-photo img { transform: scale(1.04); }
.member-info { padding: 16px 18px; }
.member-role { display: block; font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--blue); margin-bottom: 5px; }
.member-name { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: var(--text); }

.sbox { display: flex; align-items: center; gap: 16px; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); color: var(--text); text-decoration: none; min-height: 84px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease); }
.sbox:hover { border-color: var(--blue); background: rgba(var(--blue-rgb), 0.08); transform: translateY(-3px); }
.sbox-ic { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 11px; border: 1px solid var(--line-strong); color: var(--blue); flex-shrink: 0; }
.sbox-ic svg { width: 22px; height: 22px; }
.sbox-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; flex: 1; }
.sbox-label { font-weight: 600; font-size: 1rem; }
.sbox-handle { font-family: var(--font-mono); font-size: 0.76rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sbox-arrow { color: var(--faint); font-size: 1.1rem; transition: color 0.3s, transform 0.3s; }
.sbox:hover .sbox-arrow { color: var(--blue); transform: translateX(3px); }

/* Competition cards (links) */
.comp { text-decoration: none; }
.comp-txt { display: flex; flex-direction: column; flex: 1; }
.comp-ext { margin-left: 8px; color: var(--faint); transition: color 0.25s, transform 0.25s; }
.comp:hover .comp-ext { color: var(--blue); transform: translate(2px, -2px); }

/* ══ INTRO / PRELOADER ═════════════════════════════════ */
body.preload { overflow: hidden; height: 100vh; }
#intro { display: none; }
.js #intro { display: flex; position: fixed; inset: 0; z-index: 1000; align-items: center; justify-content: center; flex-direction: column; background: var(--bg); }
#intro.done { pointer-events: none; }
.intro-slats { position: absolute; inset: 0; display: flex; z-index: 1; }
.intro-slats .slat { flex: 1; height: 100%; background: linear-gradient(180deg, #0c1118, #070a0f); border-right: 1px solid rgba(150,170,200,0.04);
  transform: translateY(0); transition: transform 0.9s var(--ease); transition-delay: calc(var(--i) * 80ms); }
#intro.done .slat { transform: translateY(-101%); }
.intro-inner { position: relative; z-index: 2; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 18px;
  transition: opacity 0.5s ease, transform 0.6s var(--ease); }
#intro.done .intro-inner { opacity: 0; transform: translateY(-20px); }
.intro-mark { width: min(40vw, 180px); }
.intro-mark img { width: 100%; height: auto; display: block; filter: drop-shadow(0 0 24px rgba(var(--blue-rgb), 0.4)); animation: glowPulse 2.4s var(--ease) infinite; }
.intro-reveal { overflow: hidden; }
.intro-reveal span { display: block; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.8rem, 7vw, 3.2rem); letter-spacing: 0.03em; color: var(--text);
  transform: translateY(110%); animation: maskUp 1s var(--ease) 0.25s forwards; }
.intro-sub { overflow: hidden; }
.intro-sub span { display: block; font-size: 0.7rem; letter-spacing: 0.3em; text-transform: uppercase; font-weight: 600; color: var(--blue);
  transform: translateY(110%); animation: maskUp 0.9s var(--ease) 0.45s forwards; }
@keyframes maskUp { to { transform: translateY(0); } }
.intro-counter { position: absolute; bottom: clamp(28px, 6vh, 56px); right: clamp(24px, 5vw, 60px); z-index: 2;
  display: flex; align-items: flex-start; gap: 4px; font-family: var(--font-display); font-weight: 600; font-size: clamp(2.4rem, 9vw, 5rem); line-height: 1; color: var(--text); }
.intro-counter i { font-size: 0.3em; color: var(--blue); margin-top: 0.4em; font-style: normal; }
.intro-bar { position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; z-index: 2; background: rgba(255,255,255,0.05); }
.intro-bar span { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--blue-deep), var(--blue)); }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 720px) {
  .tiles { grid-template-columns: 1fr; }
  .brand-mini { display: none; }
}

/* ── Reduced motion ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .js #intro { display: none; }
  .intro-reveal span, .intro-sub span { transform: none; }
  .emblem-img { animation: none; }
}