/* ============================================================
   QuantiCrypt ATLAS — Redesign Stylesheet
   Modern enterprise-security look: light canvas, indigo/violet
   accent, soft elevation, rounded geometry, generous whitespace.
   ============================================================ */

/* Fonts are loaded with <link> tags in each page's <head> (faster than @import). */

:root{
  --ink:        #14162b;
  --ink-soft:   #565b78;
  --ink-faint:  #8b8fa8;
  --paper:      #fbfbfe;
  --panel:      #ffffff;
  --tint:       #f1f1fb;
  --line:       #e6e6f2;

  --indigo-700: #4432c9;
  --indigo-600: #4f3df0;
  --indigo-500: #6455f5;
  --indigo-100: #eae7fd;
  --violet-500: #8b5cf6;
  --cyan-500:   #06b6d4;
  --ink-dark:   #0d0c1f;
  --ink-dark-2: #17153a;

  --gradient-brand: linear-gradient(135deg, #4f3df0 0%, #8b5cf6 55%, #06b6d4 120%);

  --font-head: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --container: 1180px;
  --radius: 18px;
  --radius-sm: 10px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-head); font-weight:700; line-height:1.18; margin:0; color:var(--ink); }
p{ margin:0; }

:focus-visible{ outline:2px solid var(--indigo-600); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

.container{ max-width:var(--container); margin:0 auto; padding:0 28px; }

/* ---------- Topbar ---------- */
.topbar{
  background:var(--ink-dark);
  color:#c6c8de;
  font-size:12.5px;
}
.topbar .container{ display:flex; justify-content:space-between; padding:9px 28px; }
.topbar span:last-child{ color:#7d80a0; }

/* ---------- Header ---------- */
header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(251,251,254,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; }
.brand{ display:flex; align-items:center; gap:10px; }
.brand-logo{ height:38px; width:auto; display:block; }
.brand-logo-footer{ height:30px; }
.brand-chip{
  display:inline-flex;
  align-items:center;
  background:#fff;
  padding:9px 15px;
  border-radius:12px;
}

.nav-links{ display:flex; align-items:center; gap:8px; }
.nav-links a{
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-soft);
  padding:9px 16px;
  border-radius:999px;
}
.nav-links a:hover{ background:var(--tint); color:var(--ink); }
.nav-links a.active{ background:var(--indigo-100); color:var(--indigo-700); }
.nav-links a.nav-cta{
  background:var(--ink);
  color:#fff;
  margin-left:6px;
}
.nav-links a.nav-cta:hover{ background:var(--indigo-600); }

.menu-btn{
  display:none;
  background:var(--tint);
  border:none;
  font-size:18px;
  padding:8px 13px;
  border-radius:10px;
  cursor:pointer;
}

/* ---------- Buttons ---------- */
.actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top:34px; }
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 26px;
  font-size:14.5px;
  font-weight:600;
  border-radius:999px;
  border:1.5px solid transparent;
  cursor:pointer;
  font-family:var(--font-body);
}
.btn-primary{ background:var(--ink); color:#fff; }
.btn-primary:hover{ background:var(--indigo-600); }
.btn-secondary{ background:#fff; color:var(--ink); border-color:var(--line); }
.btn-secondary:hover{ border-color:var(--ink); }

/* buttons inside any dark/gradient surface always stay legible */
.on-dark .btn-primary{ background:#fff; color:var(--ink-dark); }
.on-dark .btn-primary:hover{ background:var(--indigo-100); }
.on-dark .btn-secondary{ background:transparent; color:#fff; border-color:rgba(255,255,255,.45); }
.on-dark .btn-secondary:hover{ border-color:#fff; }

/* ---------- Eyebrow ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--indigo-100);
  color:var(--indigo-700);
  font-size:12.5px;
  font-weight:600;
  padding:7px 14px;
  border-radius:999px;
  margin-bottom:18px;
}
.on-dark .eyebrow{ background:rgba(255,255,255,.14); color:#fff; }
.eyebrow-dot{ width:6px; height:6px; border-radius:50%; background:var(--indigo-600); }
.on-dark .eyebrow-dot{ background:#fff; }

/* ---------- Hero ---------- */
.hero{ padding:64px 0 30px; }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.hero h1{ font-size:clamp(36px,4.6vw,56px); letter-spacing:-.02em; }
.hero h1 span{
  background:var(--gradient-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero p{ margin-top:22px; max-width:52ch; font-size:17.5px; color:var(--ink-soft); }

.hero-visual{
  position:relative;
  border-radius:28px;
  padding:8px;
  background:var(--gradient-brand);
}
.hero-visual-inner{
  border-radius:22px;
  background:var(--ink-dark);
  min-height:360px;
  padding:34px;
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  background-size:cover;
  background-position:center;
}
.hero-visual-inner::before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(circle at 20% 15%, rgba(139,92,246,.35), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(6,182,212,.28), transparent 50%);
}
.hero-chip-row{ position:relative; display:flex; flex-direction:column; gap:12px; }
.hero-chip{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:14px;
  padding:14px 16px;
  display:flex;
  align-items:center;
  gap:12px;
  backdrop-filter:blur(6px);
}
.hero-chip .dot{ width:8px; height:8px; border-radius:50%; background:var(--cyan-500); flex-shrink:0; }
.hero-chip span{ color:#e7e8f5; font-size:13.5px; }
.hero-chip strong{ color:#fff; }

/* ---------- Pillar strip ---------- */
.pillars{ padding:46px 0; }
.pillar-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.pillar{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  box-shadow:0 1px 2px rgba(20,22,43,.03);
}
.pillar-icon{
  width:42px; height:42px;
  border-radius:12px;
  background:var(--indigo-100);
  color:var(--indigo-700);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:16px;
}
.pillar h3{ font-size:16px; margin-bottom:6px; }
.pillar p{ font-size:13.5px; color:var(--ink-soft); }

/* ---------- Sections ---------- */
section{ padding:88px 0; }
section.tint{ background:var(--tint); }
section.dark{ background:var(--ink-dark); color:#e7e8f5; }
section.dark h2, section.dark h3{ color:#fff; }
section.dark p{ color:#b6b8d1; }

.section-head{ max-width:700px; margin-bottom:50px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size:clamp(28px,3.2vw,36px); margin-bottom:14px; letter-spacing:-.01em; }
.section-head p{ font-size:16.5px; color:var(--ink-soft); }
section.dark .section-head p{ color:#b6b8d1; }

/* ---------- Numbered step cards ---------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.grid-5{ display:grid; grid-template-columns:repeat(5,1fr); gap:18px; }

.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 26px;
  box-shadow:0 1px 2px rgba(20,22,43,.03);
}
.card .num{
  display:inline-flex;
  align-items:center; justify-content:center;
  width:34px; height:34px;
  border-radius:10px;
  background:var(--ink);
  color:#fff;
  font-family:var(--font-head);
  font-size:13px;
  font-weight:700;
  margin-bottom:16px;
}
.card h3{ font-size:18px; margin-bottom:10px; }
.card p{ color:var(--ink-soft); font-size:14.5px; }

.teaser{
  display:block;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:border-color .15s ease, transform .15s ease;
}
.teaser:hover{ border-color:var(--indigo-500); transform:translateY(-2px); }
.teaser-icon{
  width:38px; height:38px;
  border-radius:11px;
  background:var(--indigo-100);
  color:var(--indigo-700);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:14px;
}
.teaser h3{ font-size:16.5px; margin-bottom:8px; }
.teaser p{ font-size:14px; color:var(--ink-soft); }

/* ---------- Feature split ---------- */
.feature-split{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.feature-copy h2{ font-size:clamp(26px,2.8vw,32px); margin-bottom:18px; letter-spacing:-.01em; }
.feature-copy p{ color:var(--ink-soft); font-size:16px; max-width:50ch; }
.mini-list{ margin-top:28px; display:flex; flex-direction:column; gap:16px; }
.mini-item{
  display:flex; gap:14px; align-items:flex-start;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px 18px;
}
.mini-check{
  width:24px; height:24px;
  border-radius:50%;
  background:var(--indigo-600);
  color:#fff;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
  margin-top:1px;
  font-size:13px;
}
.mini-item strong{ font-size:15px; display:block; margin-bottom:2px; }
.mini-item p{ font-size:14px; color:var(--ink-soft); }

.feature-visual{
  border-radius:24px;
  background:var(--ink-dark);
  min-height:320px;
  padding:34px;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
}
.feature-visual::before{
  content:"";
  position:absolute; inset:0;
  background:radial-gradient(circle at 75% 20%, rgba(139,92,246,.32), transparent 55%);
}

/* ---------- Passport / identity card mock ---------- */
.id-card{
  position:relative;
  width:100%;
  max-width:320px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:16px;
  padding:22px;
  backdrop-filter:blur(6px);
}
.id-card-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; }
.id-card-top strong{ color:#fff; font-family:var(--font-head); font-size:14px; }
.id-card-badge{ width:30px; height:30px; border-radius:9px; background:var(--gradient-brand); }
.id-row{ margin-bottom:14px; }
.id-row span{ display:block; }
.id-label{ font-size:10.5px; letter-spacing:.06em; color:#8b8fc0; text-transform:uppercase; margin-bottom:4px; }
.id-value{ font-size:13.5px; color:#e7e8f5; }
.id-status{ display:flex; align-items:center; gap:7px; }
.id-status .dot{ width:7px; height:7px; border-radius:50%; background:var(--cyan-500); }

/* ---------- Timeline (six layers) ---------- */
.timeline{ display:flex; flex-direction:column; }
.timeline-row{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:22px;
}
.timeline-marker{ display:flex; flex-direction:column; align-items:center; }
.timeline-dot{
  width:38px; height:38px;
  border-radius:50%;
  background:var(--ink);
  color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-head);
  font-weight:700;
  font-size:13px;
  flex-shrink:0;
}
.timeline-line{ width:2px; flex:1; background:var(--line); margin:6px 0; }
.timeline-row:last-child .timeline-line{ display:none; }
.timeline-content{ padding-bottom:34px; }
.timeline-content h3{ font-size:17px; margin-bottom:6px; }
.timeline-content p{ font-size:14.5px; color:var(--ink-soft); max-width:60ch; }

/* ---------- Flow steps (trust chain) ---------- */
.flow{ display:grid; grid-template-columns:repeat(5,1fr); gap:14px; }
.flow-step{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:20px 16px;
  font-size:14px;
  color:var(--ink-soft);
  position:relative;
}
.flow-step strong{
  display:block;
  font-family:var(--font-head);
  font-size:13px;
  color:var(--indigo-600);
  margin-bottom:8px;
}
.flow-step:not(:last-child)::after{
  content:"→";
  position:absolute;
  right:-16px; top:50%;
  transform:translateY(-50%);
  color:var(--ink-faint);
  font-size:14px;
}

/* ---------- CTA ---------- */
.cta{ padding:0; }
.cta-box{
  background:var(--gradient-brand);
  border-radius:28px;
  padding:70px 40px;
  text-align:center;
  margin:0 auto;
}
.cta-box h2{ color:#fff; font-size:clamp(26px,3.4vw,38px); }
.cta-box p{ color:rgba(255,255,255,.86); margin-top:16px; font-size:16px; }

/* ---------- Page header (subpages) ---------- */
.page-header{ padding:56px 0 20px; }
.page-header h1{ font-size:clamp(32px,4.2vw,46px); letter-spacing:-.02em; }
.page-header p{ color:var(--ink-soft); margin-top:16px; max-width:60ch; font-size:16.5px; }

/* ---------- Definition grid (capabilities) ---------- */
.def-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.def{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 24px;
}
.def-icon{
  width:40px; height:40px;
  border-radius:12px;
  background:var(--indigo-100);
  color:var(--indigo-700);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:14px;
}
.def h3{ font-size:16.5px; margin-bottom:9px; }
.def p{ font-size:14px; color:var(--ink-soft); }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:56px; }
.contact-info h2{ font-size:27px; margin-bottom:16px; letter-spacing:-.01em; }
.contact-info p{ color:var(--ink-soft); font-size:15.5px; max-width:48ch; }
.contact-line{
  display:flex; align-items:center; gap:14px;
  padding:16px 0;
  border-top:1px solid var(--line);
}
.contact-line:last-child{ border-bottom:1px solid var(--line); }
.contact-icon{
  width:36px; height:36px;
  border-radius:10px;
  background:var(--indigo-100);
  color:var(--indigo-700);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.contact-line-text span:first-child{ display:block; font-size:11.5px; letter-spacing:.05em; color:var(--ink-faint); text-transform:uppercase; margin-bottom:2px; }
.contact-line-text span:last-child{ font-size:15px; font-weight:500; }

.contact-form-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px;
}
.form-field{ margin-bottom:18px; display:flex; flex-direction:column; gap:8px; }
.form-field label{ font-size:13px; font-weight:600; color:var(--ink-soft); }
.form-field input, .form-field textarea{
  border:1.5px solid var(--line);
  background:var(--paper);
  padding:12px 14px;
  font-family:var(--font-body);
  font-size:14.5px;
  border-radius:10px;
  color:var(--ink);
}
.form-field textarea{ resize:vertical; min-height:120px; }
.form-field input:focus, .form-field textarea:focus{ border-color:var(--indigo-500); }
.form-note{ font-size:12.5px; color:var(--ink-faint); margin-top:14px; }

/* ---------- Footer ---------- */
footer{ background:var(--ink-dark); color:#c6c8de; border-radius:32px 32px 0 0; margin-top:20px; }
.footer-main{ display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:40px; padding:60px 0 36px; }
.footer-main p{ color:#8b8fc0; font-size:14px; margin-top:16px; }
.footer-main h4{ color:#fff; font-size:13px; letter-spacing:.03em; margin-bottom:18px; font-weight:600; }
.footer-main > div > a, .footer-main > div > span{ display:block; color:#b6b8d1; font-size:14.5px; margin-bottom:12px; }
.footer-main > div > a:hover{ color:#fff; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.08); }
.footer-row{ display:flex; justify-content:space-between; padding:20px 0; font-size:12.5px; color:#7477a0; }

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid, .feature-split, .contact-grid{ grid-template-columns:1fr; }
  .feature-split .feature-visual{ order:-1; }
  .grid-3, .grid-4, .grid-5, .def-grid, .pillar-grid{ grid-template-columns:repeat(2,1fr); }
  .flow{ grid-template-columns:repeat(2,1fr); }
  .flow-step:not(:last-child)::after{ display:none; }
  .footer-main{ grid-template-columns:1fr 1fr; }
}
@media (max-width:720px){
  .nav-links{
    position:absolute; top:100%; left:16px; right:16px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    flex-direction:column;
    align-items:flex-start;
    padding:14px;
    gap:4px;
    display:none;
    box-shadow:0 20px 40px rgba(20,22,43,.12);
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ width:100%; }
  .menu-btn{ display:block; }
  .grid-3, .grid-4, .grid-5, .def-grid, .pillar-grid{ grid-template-columns:1fr; }
  .flow{ grid-template-columns:1fr; }
  .footer-main{ grid-template-columns:1fr; padding-top:48px; }
  .footer-row{ flex-direction:column; gap:8px; }
  .topbar .container{ flex-direction:column; gap:2px; padding:9px 20px; }
  section{ padding:60px 0; }
  .hero{ padding:44px 0 20px; }
  .cta-box{ padding:50px 26px; border-radius:22px; }
  footer{ border-radius:22px 22px 0 0; }
}

/* ============================================================
   ATLAS chat widget  (paste at the very bottom of style.css)
   ============================================================ */
.qc-chat{ position:fixed; right:22px; bottom:22px; z-index:9999; font-family:var(--font-body); font-size:14.5px; line-height:1.55; }
.qc-chat *{ box-sizing:border-box; }

.qc-launcher{
  position:relative;
  width:60px; height:60px;
  border:none; border-radius:50%;
  background:var(--gradient-brand);
  color:#fff;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  box-shadow:0 10px 28px rgba(79,61,240,.38);
  transition:transform .2s ease, box-shadow .2s ease;
}
.qc-launcher:hover{ transform:scale(1.07); box-shadow:0 14px 32px rgba(79,61,240,.46); }
.qc-launcher svg{ position:absolute; width:27px; height:27px; transition:opacity .2s ease, transform .25s ease; }
.qc-launcher .qc-ico-close{ opacity:0; transform:rotate(-90deg) scale(.6); }
.qc-chat.open .qc-launcher .qc-ico-chat{ opacity:0; transform:rotate(90deg) scale(.6); }
.qc-chat.open .qc-launcher .qc-ico-close{ opacity:1; transform:none; }
.qc-badge{ position:absolute; top:3px; right:3px; width:14px; height:14px; border-radius:50%; background:var(--cyan-500); border:2px solid #fff; }
.qc-chat.seen .qc-badge{ display:none; }

.qc-panel{
  position:absolute; right:0; bottom:76px;
  width:370px; max-width:calc(100vw - 32px);
  height:540px; max-height:calc(100vh - 120px);
  display:flex; flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 24px 60px rgba(20,22,43,.22);
  overflow:hidden;
  opacity:0; visibility:hidden; pointer-events:none;
  transform:translateY(14px) scale(.97);
  transform-origin:bottom right;
  transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.qc-chat.open .qc-panel{ opacity:1; visibility:visible; pointer-events:auto; transform:none; }

.qc-head{ display:flex; align-items:center; gap:12px; padding:16px 18px; background:var(--ink-dark); color:#fff; }
.qc-avatar{ width:38px; height:38px; border-radius:11px; background:var(--gradient-brand); display:flex; align-items:center; justify-content:center; font-family:var(--font-head); font-weight:700; flex-shrink:0; }
.qc-title{ flex:1; min-width:0; }
.qc-title strong{ display:block; font-family:var(--font-head); font-size:15px; color:#fff; }
.qc-title span{ display:flex; align-items:center; gap:6px; font-size:12px; color:#b6b8d1; }
.qc-title span::before{ content:""; width:7px; height:7px; border-radius:50%; background:var(--cyan-500); }
.qc-close{ background:transparent; border:none; color:#fff; font-size:24px; line-height:1; padding:4px 9px; border-radius:8px; cursor:pointer; opacity:.8; }
.qc-close:hover{ opacity:1; background:rgba(255,255,255,.12); }

.qc-body{ flex:1; overflow-y:auto; padding:18px 16px; background:var(--tint); display:flex; flex-direction:column; gap:10px; scroll-behavior:smooth; }
.qc-msg{ max-width:88%; padding:11px 15px; border-radius:16px; word-wrap:break-word; animation:qc-in .25s ease both; }
.qc-msg a{ color:var(--indigo-600); font-weight:600; text-decoration:underline; text-underline-offset:2px; }
.qc-bot{ align-self:flex-start; background:var(--panel); color:var(--ink); border:1px solid var(--line); border-bottom-left-radius:4px; }
.qc-user{ align-self:flex-end; background:var(--indigo-600); color:#fff; border-bottom-right-radius:4px; }

.qc-typing{ display:flex; align-items:center; gap:5px; padding:15px 17px; }
.qc-typing i{ width:8px; height:8px; border-radius:50%; background:var(--ink-faint); animation:qc-bounce 1.2s infinite ease-in-out; }
.qc-typing i:nth-child(2){ animation-delay:.15s; }
.qc-typing i:nth-child(3){ animation-delay:.3s; }

.qc-opts{ display:flex; flex-direction:column; gap:8px; animation:qc-in .25s ease both; }
.qc-opt{
  text-align:left;
  padding:11px 16px;
  background:var(--panel);
  color:var(--indigo-700);
  border:1.5px solid var(--indigo-500);
  border-radius:999px;
  font-family:var(--font-body); font-size:14px; font-weight:600;
  cursor:pointer;
  transition:background .15s ease, color .15s ease;
}
.qc-opt:hover:not(:disabled){ background:var(--indigo-600); border-color:var(--indigo-600); color:#fff; }
.qc-opt:disabled{ opacity:.45; cursor:not-allowed; }

.qc-foot{ padding:9px 16px; text-align:center; font-size:11.5px; color:var(--ink-faint); background:var(--panel); border-top:1px solid var(--line); }

@keyframes qc-bounce{ 0%,60%,100%{ transform:translateY(0); opacity:.45; } 30%{ transform:translateY(-6px); opacity:1; } }
@keyframes qc-in{ from{ opacity:0; transform:translateY(8px); } to{ opacity:1; transform:none; } }

@media (max-width:480px){
  .qc-chat{ right:14px; bottom:14px; }
  .qc-panel{ bottom:72px; height:calc(100vh - 110px); }
}

/* ============================================================
   Smooth page-to-page navigation (no visible animation)
   The browser keeps the old page on screen until the new page
   is ready, so there is no white flash. The header, top bar and
   chat button stay perfectly still while the page content swaps.
   ============================================================ */
html{ background:var(--paper); }
@view-transition{ navigation:auto; }
.topbar{ view-transition-name:site-topbar; }
header{ view-transition-name:site-header; }
.qc-chat{ view-transition-name:site-chat; }
::view-transition-old(root),
::view-transition-new(root){
  animation-duration:.12s;          /* set to 0s for an instant cut with no fade at all */
  animation-timing-function:ease-out;
}
::view-transition-group(site-topbar),
::view-transition-group(site-header),
::view-transition-group(site-chat){ animation-duration:0s; }
@media (prefers-reduced-motion: reduce){
  @view-transition{ navigation:none; }
}