/* ============================================================
   mitarbeiter-alarm.de — helles, modernes Design (Signal / Blau)
   Eigenständige Sicherheits-Farbwelt. Keine externen Schriften.
   ============================================================ */

:root{
  --c-bg:        #f7f8fb;
  --c-bg-2:      #edf2f8;
  --c-surface:   #ffffff;
  --c-text:      #202735;
  --c-text-soft: #596273;
  --c-muted:     #7a8494;
  --c-line:      #dde5ef;

  /* Signal-Koralle + vertrauensvolles Blau */
  --c-accent:    #e4572e;
  --c-accent-2:  #2f80ed;
  --c-accent-3:  #164e8f;
  --c-accent-soft:#fff1eb;
  --c-accent-glow: rgba(228,87,46,.22);
  --c-info-soft: #eaf3ff;
  --c-info-glow: rgba(47,128,237,.16);

  --radius:   18px;
  --radius-sm:12px;
  --shadow-sm: 0 2px 10px rgba(32,39,53,.07);
  --shadow:    0 14px 40px rgba(32,39,53,.11);
  --shadow-lg: 0 30px 70px rgba(32,39,53,.16);

  --maxw: 1140px;
  --header-h: 70px;

  --font: "Segoe UI", "Inter", system-ui, -apple-system, "Helvetica Neue", Arial, "Liberation Sans", sans-serif;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  font-family:var(--font);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.65;
  font-size:17px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* dezenter, lebendiger Hintergrund-Verlauf */
body::before{
  content:"";
  position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(60% 50% at 85% -5%, var(--c-accent-glow), transparent 60%),
    radial-gradient(50% 45% at 5% 10%, var(--c-info-glow), transparent 60%),
    linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%);
}

img{ max-width:100%; display:block; }
a{ color:var(--c-accent-3); text-decoration:none; transition:color .2s; }
a:hover{ color:var(--c-accent); }

.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:22px; }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--c-accent); color:#fff; padding:10px 16px; border-radius:0 0 10px 0;
}
.skip-link:focus{ left:0; }

/* ===================== Scroll-Fortschritt ===================== */
.scroll-progress{
  position:fixed; top:0; left:0; right:0; height:3px; z-index:120;
  background:transparent; pointer-events:none;
}
.scroll-progress span{
  display:block; height:100%; width:0;
  background:linear-gradient(90deg,var(--c-accent),var(--c-accent-2));
  box-shadow:0 0 10px var(--c-accent-glow);
}

/* ========================= Header ========================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.72);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s, box-shadow .3s, border-color .3s;
}
.site-header.scrolled{
  background:rgba(255,255,255,.9);
  box-shadow:var(--shadow-sm);
  border-bottom-color:var(--c-line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:18px; min-height:var(--header-h);
}
.brand{ display:flex; align-items:center; gap:12px; color:var(--c-text); }
.brand-mark{
  width:42px; height:42px; flex:0 0 auto; border-radius:12px;
  display:grid; place-items:center; color:#fff;
  background:linear-gradient(135deg,var(--c-accent),var(--c-accent-2));
  box-shadow:0 6px 16px var(--c-accent-glow);
  transition:transform .35s var(--ease);
}
.brand:hover .brand-mark{ transform:rotate(-8deg) scale(1.06); }
.brand-icon{ width:24px; height:24px; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-text strong{ font-size:1.12rem; letter-spacing:-.01em; }
.brand-text small{ color:var(--c-muted); font-size:.74rem; font-weight:500; }

.nav-menu{ list-style:none; display:flex; gap:4px; margin:0; padding:0; align-items:center; }
.nav-menu a{
  display:block; padding:9px 13px; border-radius:10px;
  color:var(--c-text-soft); font-weight:600; font-size:.93rem;
  position:relative; transition:color .2s, background .2s;
  text-align:center; line-height:1.15;
}
.nav-menu a:hover{ color:var(--c-accent-3); background:var(--c-accent-soft); }
.nav-menu a[aria-current="page"]{ color:var(--c-accent-3); }
.nav-menu a[aria-current="page"]::after{
  content:""; position:absolute; left:13px; right:13px; bottom:3px; height:2px;
  border-radius:2px; background:var(--c-accent);
}

.nav-toggle{
  display:none; width:44px; height:44px; border:0; background:transparent;
  cursor:pointer; border-radius:10px; position:relative;
}
.nav-toggle span{
  position:absolute; left:11px; right:11px; height:2px; background:var(--c-text);
  border-radius:2px; transition:transform .3s var(--ease), opacity .2s;
}
.nav-toggle span:nth-child(1){ top:15px; }
.nav-toggle span:nth-child(2){ top:21px; }
.nav-toggle span:nth-child(3){ top:27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

/* ========================= Main ========================= */
.site-main{ padding:46px 0 70px; }
.page-h1{
  font-size:clamp(1.9rem,4.4vw,3rem); line-height:1.12; letter-spacing:-.02em;
  margin:.2em 0 .35em; max-width:20ch;
}
.page-intro{
  font-size:1.18rem; color:var(--c-text-soft); max-width:60ch; margin:0 0 2.2em;
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; gap:.5em; cursor:pointer;
  font-weight:700; font-size:1rem; padding:.85em 1.5em; border-radius:999px;
  border:1px solid transparent; transition:transform .2s var(--ease), box-shadow .25s, background .25s;
}
.btn svg{ width:19px; height:19px; }
.btn-primary{ background:linear-gradient(135deg,var(--c-accent),var(--c-accent-2)); color:#fff; box-shadow:0 10px 26px var(--c-accent-glow); }
.btn-primary:hover{ color:#fff; transform:translateY(-2px); box-shadow:0 16px 34px var(--c-accent-glow); }
.btn-ghost{ background:var(--c-surface); color:var(--c-accent-3); border-color:var(--c-line); }
.btn-ghost:hover{ border-color:var(--c-accent); transform:translateY(-2px); }
.btn-dl{ background:var(--c-accent-soft); color:var(--c-accent-3); }
.btn-dl:hover{ background:var(--c-accent); color:#fff; }

/* ========================= Reveal-Animation ========================= */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
}

/* ========================= Hero ========================= */
.hero{
  display:grid; grid-template-columns:1.05fr .95fr; gap:48px; align-items:center;
  margin:8px 0 60px;
}
.hero-text h2.hero-h{
  font-size:clamp(1.5rem,3.2vw,2.15rem); line-height:1.2; letter-spacing:-.02em; margin:.4em 0 .5em;
}
.hero-text p{ color:var(--c-text-soft); font-size:1.08rem; max-width:48ch; }
.hero-badge{
  display:inline-flex; align-items:center; gap:.5em; font-size:.85rem; font-weight:700;
  color:var(--c-accent-3); background:var(--c-accent-soft); padding:.45em 1em; border-radius:999px;
}
.hero-badge svg{ width:16px; height:16px; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:1.8em; }

.hero-media{ position:relative; }
.hero-img{
  width:100%; height:auto; aspect-ratio:16/9; object-fit:cover; display:block;
  border-radius:var(--radius); box-shadow:var(--shadow-lg);
  background:linear-gradient(135deg,var(--c-accent-soft),var(--c-info-soft));
}
.hero-popup{
  position:absolute; right:-18px; bottom:-20px;
  transform:translate(0, 18px) scale(.86);
  background:#f7f8fb;
  border:1px solid #aeb8c5; border-radius:6px; box-shadow:0 18px 45px rgba(32,39,53,.28);
  width:min(84%, 300px);
  opacity:0;
  overflow:hidden;
  transform-origin:center;
  animation:popupAppear .55s var(--ease) 1.35s forwards, popupFloat 4s ease-in-out 1.9s infinite;
}
.hp-titlebar{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  min-height:30px; padding:0 0 0 10px;
  color:#1f2937; background:linear-gradient(180deg,#fff,#edf2f8);
  border-bottom:1px solid #cfd7e2; font-size:.78rem; font-weight:700;
}
.hp-titlebar button{
  width:34px; height:30px; border:0; border-left:1px solid #d6dde7;
  background:transparent; color:#596273; font:700 18px/1 Arial,sans-serif;
  cursor:default;
}
.hp-titlebar button:hover{ background:#e4572e; color:#fff; }
.hp-content{ position:relative; display:flex; gap:12px; align-items:flex-start; padding:15px 16px; background:rgba(255,255,255,.94); }
.hero-popup strong{ display:block; font-size:.98rem; line-height:1.2; color:var(--c-text); }
.hp-sub{ display:block; margin-top:4px; font-size:.76rem; color:var(--c-muted); }
.hp-dot{
  position:relative; flex:0 0 auto; width:12px; height:12px; border-radius:50%; margin-top:4px;
  background:var(--c-accent);
}
.hp-dot::after{
  content:""; position:absolute; inset:0; border-radius:50%; background:var(--c-accent);
  animation:pulse 1.8s ease-out infinite;
}
@keyframes pulse{ 0%{ transform:scale(1); opacity:.7; } 100%{ transform:scale(3.2); opacity:0; } }
@keyframes popupAppear{
  0%{ opacity:0; transform:translate(0, 20px) scale(.82); }
  70%{ opacity:1; transform:translate(0, -4px) scale(1.04); }
  100%{ opacity:1; transform:translate(0, 0) scale(1); }
}
@keyframes popupFloat{ 0%,100%{ transform:translate(0,0) scale(1); } 50%{ transform:translate(0,-9px) scale(1); } }
@media (prefers-reduced-motion: reduce){
  .hero-popup{ opacity:1; transform:translate(0,0) scale(1); animation:none; }
  .hp-dot::after{ animation:none; }
}

/* ========================= Stats ========================= */
.stats{
  display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin:10px 0 56px;
}
.stat{
  background:var(--c-surface); border:1px solid var(--c-line); border-radius:var(--radius);
  padding:26px 20px; text-align:center; box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease), box-shadow .3s;
}
.stat:hover{ transform:translateY(-4px); box-shadow:var(--shadow); }
.stat-num{ display:block; font-size:2.1rem; font-weight:800; color:var(--c-accent-3); letter-spacing:-.02em; }
.stat-label{ display:block; font-size:.9rem; color:var(--c-text-soft); margin-top:.3em; }

/* ========================= Section-Titel ========================= */
.sec-title{
  font-size:clamp(1.5rem,3vw,2rem); letter-spacing:-.02em; margin:1.6em 0 .8em; text-align:center;
}
.lead-p{ color:var(--c-text-soft); max-width:62ch; margin:0 auto 1.4em; }
.site-main .lead-p{ text-align:center; }

/* ========================= Cards ========================= */
.cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin:1.4em 0 2.4em; }
.card{
  background:var(--c-surface); border:1px solid var(--c-line); border-radius:var(--radius);
  padding:28px 26px; box-shadow:var(--shadow-sm); position:relative; overflow:hidden;
  transition:transform .3s var(--ease), box-shadow .3s, border-color .3s; color:var(--c-text);
}
.card::before{
  content:""; position:absolute; inset:0 0 auto 0; height:3px;
  background:linear-gradient(90deg,var(--c-accent),var(--c-accent-2));
  transform:scaleX(0); transform-origin:left; transition:transform .4s var(--ease);
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); border-color:transparent; }
.card:hover::before{ transform:scaleX(1); }
.card-ic{
  display:inline-grid; place-items:center; width:50px; height:50px; border-radius:14px;
  background:var(--c-accent-soft); color:var(--c-accent-3); margin-bottom:14px;
}
.card-icon{ width:26px; height:26px; }
.card h3{ margin:.2em 0 .4em; font-size:1.18rem; }
.card p{ color:var(--c-text-soft); margin:0; font-size:.98rem; }
.card-more{ display:inline-flex; align-items:center; gap:.4em; margin-top:.9em; color:var(--c-accent-3); font-weight:700; font-size:.9rem; }
.card-more svg{ width:16px; height:16px; transition:transform .25s; }
a.card:hover .card-more svg{ transform:translateX(4px); }

/* ========================= Steps ========================= */
.steps{ list-style:none; counter-reset:none; margin:1.4em 0 2.4em; padding:0; display:grid; gap:18px; max-width:760px; margin-inline:auto; }
.step{ display:flex; gap:20px; align-items:flex-start; background:var(--c-surface); border:1px solid var(--c-line); border-radius:var(--radius); padding:22px 24px; box-shadow:var(--shadow-sm); }
.step-n{
  flex:0 0 auto; width:42px; height:42px; border-radius:12px; display:grid; place-items:center;
  font-weight:800; color:#fff; background:linear-gradient(135deg,var(--c-accent),var(--c-accent-2));
  box-shadow:0 6px 16px var(--c-accent-glow);
}
.step-body strong{ display:block; font-size:1.1rem; margin-bottom:.2em; }
.step-body span{ color:var(--c-text-soft); }

/* ========================= Checklist ========================= */
.checklist{ list-style:none; margin:1.2em auto 2.2em; padding:0; max-width:640px; display:grid; gap:12px; }
.checklist li{ display:flex; gap:12px; align-items:flex-start; background:var(--c-surface); border:1px solid var(--c-line); border-radius:var(--radius-sm); padding:13px 18px; box-shadow:var(--shadow-sm); }
.check-ic{ flex:0 0 auto; width:22px; height:22px; color:var(--c-accent); margin-top:2px; }

/* ========================= Callout ========================= */
.callout{
  display:flex; gap:18px; align-items:flex-start; max-width:760px; margin:1.6em auto 2em;
  background:linear-gradient(135deg,var(--c-accent-soft),#fff); border:1px solid var(--c-line);
  border-left:4px solid var(--c-accent); border-radius:var(--radius); padding:22px 26px; box-shadow:var(--shadow-sm);
}
.callout-icon{ flex:0 0 auto; width:30px; height:30px; color:var(--c-accent-3); margin-top:2px; }
.callout-body strong{ display:block; margin-bottom:.25em; font-size:1.08rem; }
.callout-body span{ color:var(--c-text-soft); }

/* ========================= FAQ ========================= */
.faq{ max-width:780px; margin:1.4em auto 2.4em; display:grid; gap:12px; }
.faq-item{ background:var(--c-surface); border:1px solid var(--c-line); border-radius:var(--radius-sm); box-shadow:var(--shadow-sm); overflow:hidden; }
.faq-item summary{
  list-style:none; cursor:pointer; padding:18px 22px; font-weight:700; font-size:1.05rem;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-arrow{ width:20px; height:20px; color:var(--c-accent); flex:0 0 auto; transition:transform .3s var(--ease); transform:rotate(90deg); }
.faq-item[open] .faq-arrow{ transform:rotate(-90deg); }
.faq-a{ padding:0 22px 18px; }
.faq-a p{ margin:0; color:var(--c-text-soft); }

/* ========================= Timeline ========================= */
.timeline{ list-style:none; margin:1.4em auto 2.4em; padding:0 0 0 8px; max-width:760px; position:relative; }
.timeline::before{ content:""; position:absolute; left:14px; top:6px; bottom:6px; width:2px; background:linear-gradient(var(--c-accent),var(--c-accent-2),var(--c-line)); }
.tl-item{ position:relative; padding:0 0 26px 44px; }
.tl-dot{ position:absolute; left:7px; top:5px; width:16px; height:16px; border-radius:50%; background:#fff; border:3px solid var(--c-accent); box-shadow:0 0 0 4px var(--c-accent-soft); }
.tl-date{ display:inline-block; font-size:.82rem; font-weight:700; color:var(--c-accent-3); background:var(--c-accent-soft); padding:.2em .8em; border-radius:999px; margin-bottom:.5em; }
.tl-card{ background:var(--c-surface); border:1px solid var(--c-line); border-radius:var(--radius-sm); padding:16px 20px; box-shadow:var(--shadow-sm); }
.tl-card h3{ margin:0 0 .3em; font-size:1.1rem; }
.tl-card p{ margin:0; color:var(--c-text-soft); }

/* ========================= Downloads ========================= */
.dl-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; max-width:760px; margin:1.4em auto 2em; }
.dl-card{ background:var(--c-surface); border:1px solid var(--c-line); border-radius:var(--radius); padding:30px 28px; text-align:center; box-shadow:var(--shadow-sm); transition:transform .3s var(--ease), box-shadow .3s; }
.dl-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow); }
.dl-ic{ display:inline-grid; place-items:center; width:58px; height:58px; border-radius:16px; background:var(--c-accent-soft); color:var(--c-accent-3); margin-bottom:14px; }
.dl-icon{ width:30px; height:30px; }
.dl-card h3{ margin:.1em 0 .3em; }
.dl-card p{ color:var(--c-text-soft); font-size:.96rem; margin:0 0 1.2em; }
.dl-actions{ display:flex; flex-wrap:wrap; justify-content:center; gap:10px; }
.dl-actions .btn{ padding-inline:1.15em; }

/* ========================= Figure ========================= */
.content-figure{ max-width:900px; margin:1.6em auto 2.2em; }
.content-figure img{ width:100%; height:auto; aspect-ratio:16/9; object-fit:cover; border-radius:var(--radius); box-shadow:var(--shadow); background:var(--c-accent-soft); }
.content-figure figcaption{ text-align:center; color:var(--c-muted); font-size:.88rem; margin-top:.7em; }

/* ========================= CTA-Band ========================= */
.cta-band{ margin:2.6em auto 1em; max-width:900px; }
.cta-inner{
  background:linear-gradient(135deg,var(--c-accent),var(--c-accent-2)); color:#fff;
  border-radius:var(--radius); padding:42px 38px; text-align:center; box-shadow:var(--shadow);
  position:relative; overflow:hidden;
}
.cta-inner::before{ content:""; position:absolute; right:-40px; top:-40px; width:200px; height:200px; border-radius:50%; background:rgba(255,255,255,.12); }
.cta-inner h2{ margin:0 0 .3em; font-size:clamp(1.4rem,2.8vw,1.9rem); }
.cta-inner p{ margin:0 0 1.4em; opacity:.92; }
.cta-inner .btn-primary{ background:#fff; color:var(--c-accent-3); box-shadow:0 10px 26px rgba(0,0,0,.16); }
.cta-inner .btn-primary:hover{ color:var(--c-accent-3); }

/* ========================= Ad-Slot ========================= */
.ad-wrap{ max-width:900px; margin:1.6em auto; padding:14px; border:1px dashed var(--c-line); border-radius:var(--radius-sm); background:rgba(255,255,255,.5); }

/* ========================= Footer-Anzeige ========================= */
.footer-ad{ margin:34px 0 0; }
.footer-ad-inner{ display:grid; justify-items:center; gap:6px; }
.footer-ad-label{ color:var(--c-muted); font-size:.72rem; line-height:1; text-transform:lowercase; }
.footer-ad a{ display:block; max-width:100%; }
.footer-ad img{ max-width:100%; height:auto; border-radius:var(--radius-sm); box-shadow:var(--shadow-sm); }

/* ========================= Legal ========================= */
.legal-body{ max-width:820px; margin:0 auto; }
.legal-body h2{ font-size:1.3rem; margin:1.7em 0 .5em; color:var(--c-accent-3); }
.legal-body p,.legal-body li{ color:var(--c-text-soft); }
.legal-list{ padding-left:1.3em; }
.legal-list li{ margin:.3em 0; }
.legal-note{ margin-top:2em; padding-top:1em; border-top:1px solid var(--c-line); }
.legal-callout{ background:linear-gradient(135deg,var(--c-accent-soft),var(--c-info-soft)); }
.legal-table{ width:100%; border-collapse:collapse; margin:1em 0 1.5em; font-size:.95rem; }
.legal-table th,.legal-table td{ text-align:left; padding:11px 14px; border-bottom:1px solid var(--c-line); }
.legal-table th{ color:var(--c-accent-3); }
.legal-table code{ background:var(--c-accent-soft); padding:.15em .5em; border-radius:6px; font-size:.9em; }

/* ========================= Footer ========================= */
.site-footer{ margin-top:60px; background:var(--c-surface); border-top:1px solid var(--c-line); }
.footer-grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1.4fr; gap:34px; padding:50px 22px 30px; }
.footer-col h4{ font-size:.95rem; text-transform:uppercase; letter-spacing:.05em; color:var(--c-muted); margin:0 0 1em; }
.footer-mark{ width:38px; height:38px; margin-bottom:10px; }
.footer-brand strong{ display:block; font-size:1.1rem; }
.footer-claim{ color:var(--c-accent-3); font-weight:600; margin:.2em 0 .6em; font-size:.92rem; }
.footer-desc{ color:var(--c-text-soft); font-size:.9rem; margin:0; }
.footer-links{ list-style:none; margin:0; padding:0; display:grid; gap:.55em; }
.footer-links a{ color:var(--c-text-soft); font-size:.93rem; }
.footer-links a:hover{ color:var(--c-accent-3); }
.footer-noco{ display:flex; gap:12px; align-items:flex-start; color:var(--c-text-soft); font-size:.92rem; background:var(--c-accent-soft); padding:16px; border-radius:var(--radius-sm); }
.noco-ic{ flex:0 0 auto; width:24px; height:24px; color:var(--c-accent-3); margin-top:2px; }
.footer-bottom{ border-top:1px solid var(--c-line); }
.footer-bottom-inner{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px; padding:18px 22px; }
.footer-copy{ margin:0; color:var(--c-muted); font-size:.86rem; }
.footer-ai-note{ margin:0; color:var(--c-muted); font-size:.82rem; font-style:italic; }

/* ========================= To-Top ========================= */
.to-top{
  position:fixed; right:22px; bottom:22px; z-index:90; width:48px; height:48px; border:0; cursor:pointer;
  border-radius:50%; background:var(--c-accent); color:#fff; box-shadow:var(--shadow);
  display:grid; place-items:center; opacity:0; transform:translateY(12px); transition:opacity .3s, transform .3s;
}
.to-top svg{ width:22px; height:22px; transform:rotate(-90deg); }
.to-top.show{ opacity:1; transform:none; }

/* ========================= Responsive ========================= */
@media (max-width:920px){
  .hero{ grid-template-columns:1fr; gap:34px; }
  .hero-media{ order:-1; }
  .stats{ grid-template-columns:repeat(2,1fr); }
  .cards{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:680px){
  body{ font-size:16px; }
  .nav-toggle{ display:block; }
  .site-nav{
    position:fixed; inset:var(--header-h) 0 auto 0; background:rgba(255,255,255,.98);
    backdrop-filter:blur(12px); border-bottom:1px solid var(--c-line);
    transform:translateY(-130%); transition:transform .35s var(--ease); box-shadow:var(--shadow);
    max-height:calc(100vh - var(--header-h)); overflow:auto;
  }
  .site-nav.open{ transform:none; }
  .nav-menu{ flex-direction:column; align-items:stretch; gap:2px; padding:14px 18px 22px; }
  .nav-menu a{ text-align:left; padding:13px 14px; font-size:1.02rem; line-height:1.25; }
  .nav-menu a[aria-current="page"]::after{ display:none; }
  .cards{ grid-template-columns:1fr; }
  .dl-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:26px; }
  .hero-popup{ right:-8px; bottom:-14px; width:min(88%, 260px); }
}