/*
Theme Name: Spydersystems
Description: Website der Spydersystems GmbH, Unteriberg – Software, Netzwerke und ICT-Infrastruktur. Erstellt von Verixa.
Author: Verixa – Nael Reinhard
Version: 1.0.0
Text Domain: spyder
*/

@font-face { font-family: "Space Grotesk"; src: url(assets/fonts/space-grotesk-700.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url(assets/fonts/space-grotesk-500.woff2) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Manrope"; src: url(assets/fonts/manrope.woff2) format("woff2"); font-weight: 400 800; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url(assets/fonts/jetbrains-mono-500.woff2) format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --bg: #0b0f14;
  --panel: #111821;
  --edge: #1f2a37;
  --text: #e7edf3;
  --dim: #8d9aa8;
  --ink: #0f1720;
  --muted: #5c6875;
  --line: #e3e8ee;
  --soft: #f5f7f9;
  --blue: #3b8be0;
  --blue-2: #1f63b0;
  --amber: #f5b400;
  --amber-2: #d99a00;
  --head: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --sans: "Manrope", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --r: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 32, .05), 0 16px 40px rgba(15, 23, 32, .09);
  --ease: cubic-bezier(.2, .7, .2, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16.5px/1.7 var(--sans); color: var(--ink); background: #fff; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-2); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--head); font-weight: 700; line-height: 1.08; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
code, .kicker { font-family: var(--mono); }
.wrap { width: min(1220px, 100% - 40px); margin-inline: auto; }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--amber); color: var(--ink); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
.ico { width: 1.15em; height: 1.15em; display: inline-block; vertical-align: -.2em; flex: none; }
.kicker { font-size: .8rem; letter-spacing: .04em; color: var(--amber); margin: 0 0 1rem; }
.kicker.dark { color: var(--blue-2); }
.lead { font-size: clamp(1.06rem, 1.5vw, 1.2rem); color: var(--dim); max-width: 58ch; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.link-arrow { display: inline-flex; gap: .45em; align-items: center; font-weight: 800; text-decoration: none; color: var(--blue-2); }
.link-arrow .ico { transition: transform .25s var(--ease); }
.link-arrow:hover .ico { transform: translateX(4px); }

.btn { display: inline-flex; align-items: center; gap: .5em; padding: .85em 1.3em; border-radius: 10px; font: 800 .97rem/1 var(--sans); text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: transform .2s var(--ease), background .2s, border-color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-amber { background: var(--amber); color: #111; }
.btn-amber:hover { background: #ffc426; color: #111; }
.btn-line { background: transparent; color: var(--text); border-color: #2d3b4b; }
.btn-line:hover { border-color: var(--amber); color: #fff; }

.demo-bar { background: #ffe58a; color: #3d3100; text-align: center; font-size: .82rem; padding: 6px 12px; height: 30px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo-bar a { color: inherit; font-weight: 700; }
.notice-bar { background: var(--amber); color: #111; text-align: center; font-weight: 700; padding: 8px 12px; font-size: .92rem; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 60; background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); transition: box-shadow .3s; }
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(15, 23, 32, .07); }
.admin-bar .site-header { top: 32px; }
.head-row { display: flex; align-items: center; gap: 24px; padding: 14px 0; }
.brand { flex: none; }
.brand img { width: 220px; height: auto; }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.main-nav ul { list-style: none; display: flex; gap: 2px; margin: 0; padding: 0; }
.main-nav a:not(.btn) { display: block; white-space: nowrap; padding: 8px 12px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: .95rem; border-radius: 8px; }
.main-nav a:not(.btn):hover { background: var(--soft); }
.main-nav .is-active a { color: var(--blue-2); box-shadow: inset 0 -2px 0 var(--amber); border-radius: 0; }
.nav-cta { white-space: nowrap; }
.nav-toggle { display: none; margin-left: auto; border: 0; background: none; color: var(--ink); cursor: pointer; padding: 6px; }
.nav-toggle .ico { width: 1.8em; height: 1.8em; }
.nav-toggle .shut, .nav-open .nav-toggle .open { display: none; }
.nav-open .nav-toggle .shut { display: inline-block; }

.grid-bg { position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 380px at 80% 30%, rgba(59, 139, 224, .16), transparent 70%),
    radial-gradient(500px 300px at 10% 100%, rgba(245, 180, 0, .08), transparent 70%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 32px 32px; }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--bg); color: var(--text); padding: 80px 0 90px; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 4.4vw, 3.8rem); }
.hero h1 span { color: var(--amber); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 30px; }
.hero-meta { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; color: var(--dim); font-size: .92rem; }
.hero-meta code { display: inline-block; min-width: 86px; color: var(--blue); }
.hero-meta li:last-child code { color: var(--amber); }

.web { margin: 0; }
.web svg { width: 100%; height: auto; overflow: visible; }
.web .rings polygon { fill: none; stroke: #1c2734; stroke-width: 1; }
.web .spokes path { stroke: #22303f; stroke-width: 1.5; }
.web .packets circle.b-software { fill: var(--blue); filter: drop-shadow(0 0 4px var(--blue)); }
.web .packets circle.b-infrastruktur { fill: var(--amber); filter: drop-shadow(0 0 4px var(--amber)); }
.web .hub circle { fill: #121b26; stroke: #2a3a4c; stroke-width: 1.5; }
.web .hub .pulse { fill: none; stroke: var(--amber); opacity: .6; transform-origin: 0 0; animation: hubpulse 3s ease-out infinite; }
@keyframes hubpulse { from { transform: scale(1); opacity: .6; } to { transform: scale(1.9); opacity: 0; } }
.web .node circle { fill: #0f1620; stroke-width: 1.5; transition: fill .2s; }
.web .node.b-software circle { stroke: var(--blue); }
.web .node.b-infrastruktur circle { stroke: var(--amber); }
.web .node svg { color: #cfd8e2; }
.web .node.b-software svg { color: #8ec0f3; }
.web .node.b-infrastruktur svg { color: #ffd466; }
.web .node text { fill: var(--dim); font: 500 10.5px var(--mono); letter-spacing: .06em; text-anchor: middle; }
.web .node:hover circle { fill: #18222e; }
.web figcaption { display: flex; justify-content: center; align-items: center; gap: 8px; color: var(--dim); font: 500 .78rem var(--mono); margin-top: 6px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-left: 10px; }
.dot.sw { background: var(--blue); } .dot.hw { background: var(--amber); }

.stats { background: var(--panel); color: var(--text); border-top: 1px solid var(--edge); border-bottom: 1px solid var(--edge); }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 26px 22px; border-left: 1px solid var(--edge); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b { display: block; font: 700 2.2rem/1 var(--head); color: #fff; margin-bottom: 6px; }
.stat span { color: var(--dim); font-size: .9rem; }

/* Sections */
.section { position: relative; padding: clamp(64px, 9vw, 110px) 0; }
.section.soft { background: var(--soft); }
.section.dark { background: var(--bg); color: var(--text); overflow: hidden; }
.section.dark p { color: var(--dim); }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px 40px; flex-wrap: wrap; margin-bottom: 34px; }
.sec-head h2 { margin: 0; }
.sec-head > p { max-width: 46ch; margin: 0; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.col { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #fff; }
.col-head { position: relative; height: 170px; overflow: hidden; }
.col-head img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8); }
.col-head::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11, 15, 20, .1), rgba(11, 15, 20, .85)); }
.col-head span { position: absolute; left: 22px; bottom: 16px; z-index: 1; color: #fff; font: 700 1.35rem var(--head); }
.col-head code { color: var(--blue); font-size: .95rem; margin-right: 6px; }
.col-infrastruktur .col-head code { color: var(--amber); }
.col-list { display: grid; }
.svc { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 16px 22px; border-top: 1px solid var(--line); text-decoration: none; color: var(--ink); transition: background .2s; }
.svc:first-child { border-top: 0; }
.svc:hover { background: var(--soft); color: var(--ink); }
.svc-ico { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: #eaf2fc; color: var(--blue-2); flex: none; }
.col-infrastruktur .svc-ico, .soft .svc-ico { background: #fff6dc; color: #9a6c00; }
.svc-ico .ico { width: 22px; height: 22px; }
.svc-body strong { display: block; font: 700 1.05rem var(--head); }
.svc-body small { display: block; color: var(--muted); font-size: .9rem; line-height: 1.5; }
.svc-body code { display: inline-block; font-size: .72rem; color: var(--muted); margin-top: 4px; }
.svc-go { color: #b3bdc8; transition: transform .2s, color .2s; }
.svc:hover .svc-go { transform: translateX(4px); color: var(--blue-2); }

.rmc-grid { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(30px, 6vw, 70px); align-items: center; }
.specs { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 8px; }
.specs li { color: var(--text); font-size: .95rem; }
.specs code { display: inline-block; min-width: 70px; color: var(--amber); }
.window { margin: 0; border-radius: 12px; overflow: hidden; border: 1px solid #263445; background: #0d131a; box-shadow: 0 30px 60px rgba(0, 0, 0, .45); }
.win-bar { display: flex; gap: 6px; align-items: center; padding: 10px 12px; border-bottom: 1px solid #1f2a37; }
.win-bar span { width: 10px; height: 10px; border-radius: 50%; background: #2b3a4c; }
.win-bar span:first-child { background: #ff5f57; } .win-bar span:nth-child(2) { background: #febc2e; } .win-bar span:nth-child(3) { background: #28c840; }
.win-bar em { font: 500 .74rem var(--mono); font-style: normal; color: var(--dim); margin-left: 8px; }
.window img { width: 100%; }

.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: none; }
.flow li { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 28px 26px; }
.flow li > .ico { width: 30px; height: 30px; color: var(--blue-2); margin-bottom: 14px; }
.flow-n { position: absolute; top: 22px; right: 24px; font: 500 .8rem var(--mono); color: #b3bdc8; }
.flow p, .flow-text p { color: var(--muted); margin: 0; }
.flow li:not(:last-child)::after { content: ""; position: absolute; top: 50%; right: -14px; width: 10px; height: 10px; border-top: 2px solid var(--amber); border-right: 2px solid var(--amber); transform: translateY(-50%) rotate(45deg); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 80px); align-items: center; }
.timeline { list-style: none; margin: 0; padding: 0 0 0 26px; border-left: 2px solid var(--line); display: grid; gap: 22px; }
.timeline li { position: relative; display: grid; gap: 2px; }
.timeline li::before { content: ""; position: absolute; left: -33px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 2px solid var(--blue); }
.timeline li.now::before { background: var(--amber); border-color: var(--amber); }
.timeline code { color: var(--blue-2); font-size: .85rem; }
.timeline li.now code { color: var(--amber-2); }
.timeline b { font: 700 1.2rem var(--head); }
.timeline span { color: var(--muted); }

/* Pages */
.page-hero { position: relative; overflow: hidden; background: var(--bg); color: var(--text); padding: clamp(60px, 8vw, 100px) 0 clamp(44px, 6vw, 70px); }
.page-hero .wrap { position: relative; }
.page-body { padding: 56px 0 80px; }
.prose { max-width: 75ch; font-size: 1.04rem; }
.prose p { color: var(--muted); }
.prose h2 { font-size: 1.8rem; margin-top: 1.4em; }
.intro { max-width: 75ch; font-size: 1.12rem; color: var(--muted); margin-bottom: 36px; }

.jump { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: -28px; position: relative; z-index: 2; }
.jump-group { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; box-shadow: var(--shadow); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.jump-group code { width: 100%; font-size: .75rem; color: var(--muted); margin-bottom: 4px; }
.jump-group a { display: inline-flex; gap: 6px; align-items: center; padding: 6px 10px; border-radius: 8px; background: var(--soft); text-decoration: none; color: var(--ink); font-weight: 700; font-size: .88rem; }
.jump-group a:hover { background: #eaf2fc; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(26px, 5vw, 60px); align-items: center; padding: 30px 0; scroll-margin-top: 100px; }
.row + .row { border-top: 1px solid var(--line); }
.row.flip .row-img { order: 2; }
.row-img { margin: 0; border-radius: 16px; overflow: hidden; aspect-ratio: 16 / 10; background: var(--soft); }
.row-img img { width: 100%; height: 100%; object-fit: cover; }
.row-body h3 { font-size: 1.7rem; margin: 14px 0 6px; }
.tagline { display: inline-block; font-size: .78rem; color: var(--muted); background: var(--soft); border: 1px solid var(--line); border-radius: 6px; padding: 3px 8px; margin-bottom: 10px; }
.ticks { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 6px; }
.ticks li { display: flex; gap: 8px; font-weight: 600; font-size: .95rem; }
.ticks .ico { color: var(--amber-2); margin-top: .2em; }

.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 26px; }
.card-n { display: block; color: var(--amber-2); font-size: .82rem; margin-bottom: 12px; }
.card-text p { color: var(--muted); margin: 0; }
.note-cta { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; background: var(--soft); border: 1px solid var(--line); border-radius: var(--r); padding: 22px 26px; margin-top: 30px; }
.note-cta p { margin: 0; }

.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(28px, 5vw, 60px); align-items: start; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: clamp(22px, 3vw, 34px); scroll-margin-top: 110px; }
.form h2, .form .form-ok, .form .form-err { grid-column: 1 / -1; }
.form fieldset { border: 0; margin: 0; padding: 0; }
.form legend { font-weight: 800; margin-bottom: 10px; }
.choice { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.pick { cursor: pointer; }
.pick input { position: absolute; opacity: 0; }
.pick span { display: flex; gap: 8px; align-items: center; padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 10px; font-weight: 700; font-size: .86rem; transition: all .15s; height: 100%; }
.pick .ico { color: var(--blue-2); }
.pick input:checked + span { border-color: var(--blue-2); background: #eaf2fc; }
.pick input:focus-visible + span { outline: 2px solid var(--amber); }
.form label:not(.pick) { display: flex; flex-direction: column; gap: 6px; font-weight: 700; font-size: .9rem; }
.form input[type=text], .form input[type=email], .form input[type=tel], .form textarea { font: 500 1rem var(--sans); padding: .8em .95em; border: 1.5px solid var(--line); border-radius: 10px; background: var(--soft); color: var(--ink); width: 100%; }
.form input:focus, .form textarea:focus { outline: 0; border-color: var(--blue-2); box-shadow: 0 0 0 4px rgba(59, 139, 224, .15); background: #fff; }
.span-2 { grid-column: 1 / -1; }
.form-foot { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin: 4px 0 0; }
.form-foot small { color: var(--muted); }
.form-ok { background: #e7f6ee; color: #145c38; border-radius: 10px; padding: 14px 18px; font-weight: 700; margin: 0; }
.form-err { background: #fdeceb; color: #8a1c14; border-radius: 10px; padding: 14px 18px; font-weight: 700; margin: 0; }
.hp { position: absolute; left: -9999px; }
.contact-card { background: var(--bg); color: var(--text); border-radius: 16px; padding: 28px; position: sticky; top: 100px; }
.contact-card > code { color: var(--amber); font-size: .8rem; }
.contact-card h3 { margin: 10px 0 16px; }
.contact-card a { color: #fff; text-decoration: none; font-weight: 700; }
.contact-card .ico { color: var(--amber); }
.contact-card .prose p { color: var(--dim); }

/* Footer */
.site-footer { position: relative; overflow: hidden; background: var(--bg); color: var(--dim); padding: 0 0 26px; }
.site-footer .wrap { position: relative; }
.foot-cta { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; padding: 56px 0; border-bottom: 1px solid var(--edge); }
.foot-cta h2 { color: #fff; margin: 0; font-size: clamp(1.6rem, 3vw, 2.3rem); }
.foot-cta-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 36px; padding: 50px 0 34px; }
.foot-logo { display: inline-block; background: #fff; border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; }
.foot-logo img { width: 190px; }
.foot-h { font: 500 .78rem var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--amber); margin: 0 0 12px; }
.site-footer a { color: var(--text); text-decoration: none; }
.site-footer a:hover { color: var(--amber); }
.foot-list { list-style: none; padding: 0; margin: 0; }
.foot-list li { margin: 4px 0; }
.foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid var(--edge); padding-top: 18px; font-size: .84rem; }
.foot-bottom code { color: #3fb950; font-size: .78rem; }
.foot-bottom code::before { content: "● "; }

.ss-edit { display: inline-flex; align-items: center; gap: 4px; margin: 10px 0 0; padding: 5px 11px; border-radius: 99px; background: #fff4d6; color: #5c4600 !important; border: 1px dashed #d9a400; font: 700 .76rem/1.4 var(--sans); text-decoration: none; position: relative; z-index: 3; }

/* Motion */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 1100px) {
  .nav-toggle { display: block; }
  .site-header { backdrop-filter: none; }
  .main-nav { position: fixed; inset: 0; background: var(--bg); flex-direction: column; justify-content: center; gap: 26px; transform: translateY(-100%); visibility: hidden; transition: transform .4s var(--ease), visibility 0s .4s; z-index: -1; }
  .nav-open .main-nav { transform: none; visibility: visible; transition: transform .4s var(--ease); }
  .main-nav ul { flex-direction: column; align-items: center; gap: 4px; }
  .main-nav a:not(.btn) { color: #fff !important; font: 700 1.6rem var(--head); }
  .main-nav .is-active a { box-shadow: none; color: var(--amber) !important; }
  .nav-open .site-header { background: transparent; border-color: transparent; }
  .nav-open .brand { background: #fff; border-radius: 8px; padding: 4px 8px; }
  .nav-open .nav-toggle { color: #fff; }
}
@media (max-width: 1000px) {
  .hero-grid, .rmc-grid, .about-grid, .contact-grid, .split, .row, .jump { grid-template-columns: 1fr; }
  .row.flip .row-img { order: 0; }
  .web { max-width: 520px; margin-inline: auto; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .flow, .cards3 { grid-template-columns: 1fr; }
  .flow li:not(:last-child)::after { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .contact-card { position: static; }
  .choice { grid-template-columns: 1fr 1fr; }
  .jump { margin-top: 20px; }
}
@media (max-width: 640px) {
  .wrap { width: min(1220px, 100% - 32px); }
  .demo-bar { font-size: .7rem; }
  .brand img { width: 180px; }
  h1 { font-size: 2.4rem; }
  .hero { padding: 56px 0 60px; }
  .form, .choice { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .stat b { font-size: 1.8rem; }
}

/* Leistungen: explorer (tabs left, detail right) */
.dim { color: var(--dim); }
.explorer-sec .sec-head > p { max-width: 50ch; }
.explorer { display: grid; grid-template-columns: 380px 1fr; gap: 22px; align-items: start; }
.ex-tabs { display: grid; gap: 8px; position: sticky; top: 100px; }
.ex-tab { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; text-align: left; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: #fff; cursor: pointer; font: inherit; color: var(--ink); transition: border-color .2s, background .2s, transform .2s; }
.ex-tab strong { display: block; font: 700 1.02rem var(--head); }
.ex-tab small { display: block; color: var(--muted); font-size: .84rem; line-height: 1.4; }
.ex-tab code { font-size: .75rem; color: #b3bdc8; }
.ex-tab:hover { transform: translateX(3px); }
.ex-tab[aria-selected="true"] { border-color: var(--amber); box-shadow: inset 3px 0 0 var(--amber); }
.ex-tab[aria-selected="true"] code { color: var(--amber-2); }
.ex-panel { display: grid; grid-template-rows: auto 1fr; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: #fff; animation: exin .45s var(--ease); scroll-margin-top: 100px; }
.js .ex-panel[data-hidden] { display: none; }
@keyframes exin { from { opacity: 0; transform: translateY(10px); } }
.ex-img { position: relative; margin: 0; aspect-ratio: 16 / 7; overflow: hidden; background: var(--soft); }
.ex-img img { width: 100%; height: 100%; object-fit: cover; }
.ex-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(11, 15, 20, .75)); }
.ex-img figcaption { position: absolute; left: 22px; bottom: 16px; z-index: 1; }
.ex-img code { color: #fff; background: rgba(11, 15, 20, .55); border: 1px solid rgba(255, 255, 255, .2); border-radius: 6px; padding: 4px 10px; font-size: .78rem; backdrop-filter: blur(4px); }
.ex-body { padding: 28px 30px 30px; }
.ex-body h3 { font-size: 1.8rem; }
.ex-text p { color: var(--muted); }
/* dark variant (software) */
.dark .ex-tab { background: var(--panel); border-color: var(--edge); color: var(--text); }
.dark .ex-tab small { color: var(--dim); }
.dark .ex-tab code { color: #4a5a6c; }
.dark .ex-tab .svc-ico { background: rgba(59, 139, 224, .14); color: #8ec0f3; }
.dark .ex-tab[aria-selected="true"] { border-color: var(--blue); box-shadow: inset 3px 0 0 var(--blue); background: #142030; }
.dark .ex-tab[aria-selected="true"] code { color: var(--blue); }
.dark .ex-panel { background: var(--panel); border-color: var(--edge); color: var(--text); }
.dark .ex-text p { color: var(--dim); }
.dark .ticks li { color: var(--text); }
.dark .ticks .ico { color: var(--blue); }
@media (max-width: 1000px) {
  .explorer { grid-template-columns: 1fr; }
  .ex-tabs { position: static; grid-template-columns: 1fr 1fr; }
  .ex-tab small { display: none; }
}
@media (max-width: 560px) { .ex-tabs { grid-template-columns: 1fr; } .ex-body { padding: 22px; } }
/* explorer: accent per area, clear click affordance */
.explorer { position: relative; }
.ex-hint { position: absolute; top: -26px; left: 2px; margin: 0; font-size: .72rem; color: var(--muted); }
.ex-tab { cursor: pointer; }
.ex-tab:hover { border-color: #c9d3de; }
.b-software .ex-tab[aria-selected="true"] { border-color: var(--blue); box-shadow: inset 3px 0 0 var(--blue); background: #f2f8fe; }
.b-software .ex-tab[aria-selected="true"] code { color: var(--blue-2); }
.b-software .ex-panel { border-top: 3px solid var(--blue); }
.b-infrastruktur .ex-tab .svc-ico { background: #fff6dc; color: #9a6c00; }
.b-infrastruktur .ex-tab[aria-selected="true"] { background: #fffaf0; }
.b-infrastruktur .ex-panel { border-top: 3px solid var(--amber); }
.ex-tab[aria-selected="true"]::after { content: ""; }