/* ==========================================================================
   Wise Campus Safety System — Shared Marketing Deck Design System
   Used by: index.html, 01-command-center, 02-classroom-safety,
            03-medical-response, 04-visitor-reunification
   ========================================================================== */

:root {
  --ink: #0b1220;
  --ink-soft: #1c2536;
  --paper: #f7f8fb;
  --paper-dim: #eef0f6;
  --white: #ffffff;
  --muted: #5b6478;
  --muted-dim: #8b93a7;
  --line: #e3e6ef;
  --line-soft: #edeff5;

  --accent: #2563eb;
  --accent-dim: #dbe6fe;
  --accent-ink: #1d4ed8;
  --accent-2: #dc2626;
  --accent-2-dim: #fde2e1;

  --green: #16a34a;
  --green-dim: #dcfce7;
  --amber: #d97706;
  --amber-dim: #fef3c7;
  --red: #dc2626;
  --red-dim: #fee2e2;
  --purple: #7c3aed;
  --purple-dim: #ede9fe;
  --blue: #2563eb;
  --blue-dim: #dbeafe;
  --cyan: #0891b2;
  --cyan-dim: #cffafe;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(11,18,32,.06), 0 1px 1px rgba(11,18,32,.04);
  --shadow: 0 8px 24px rgba(11,18,32,.08), 0 2px 6px rgba(11,18,32,.05);
  --shadow-lg: 0 24px 60px rgba(11,18,32,.18), 0 8px 20px rgba(11,18,32,.08);

  --deck-accent: var(--accent);
  --deck-accent-dim: var(--accent-dim);
  --deck-accent-ink: var(--accent-ink);
  --deck-accent-2: var(--accent-2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5 {
  font-family: "Sora", "Inter", sans-serif;
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--ink);
}
p { margin: 0; line-height: 1.6; color: var(--muted); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.wrap-narrow { max-width: 880px; margin: 0 auto; padding: 0 32px; }

section { position: relative; }
section[id] { scroll-margin-top: 84px; }
.section { padding: 108px 0; }
.section-tight { padding: 72px 0; }
.section-alt { background: var(--white); }
.section-dark { background: var(--ink); color: #fff; }
.section-dark p { color: #aab1c5; }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--deck-accent), var(--deck-accent-2));
  z-index: 9999; transition: width .08s linear;
}

/* ---------- Top nav ---------- */
.topnav {
  position: sticky; top: 0; z-index: 500;
  /* Solid (not translucent) so nav stays readable even where backdrop-filter
     compositing is unavailable (headless / software-rendered browsers). */
  background: #0b1220;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topnav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.topnav-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 15px; }
.topnav-brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--deck-accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--deck-accent) 30%, transparent); }
.topnav-links { display: flex; gap: 4px; align-items: center; }
.topnav-links a {
  color: #cfd4e4; font-size: 13.5px; font-weight: 600; padding: 8px 14px; border-radius: 999px;
  transition: all .15s ease; white-space: nowrap;
}
.topnav-links a:hover { color: #fff; background: rgba(255,255,255,.08); }
.topnav-links a.active { color: #fff; background: rgba(255,255,255,.14); }
.topnav-switcher { display:flex; gap:6px; }
.topnav-switcher a {
  font-size: 12px; padding: 7px 12px; border-radius: 8px; border: 1px solid rgba(255,255,255,.14);
  color: #9aa3ba; font-weight: 700;
}
.topnav-switcher a.current { background: var(--deck-accent); color: #fff; border-color: transparent; }
.topnav-switcher a:hover:not(.current) { color:#fff; border-color: rgba(255,255,255,.4); }
.topnav-toggle { display: none; }

@media (max-width: 980px) {
  .topnav-links { display: none; }
  .topnav-toggle { display: block; color: #fff; background: none; border: 1px solid rgba(255,255,255,.2); border-radius: 8px; padding: 6px 10px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: radial-gradient(1200px 600px at 15% -10%, color-mix(in srgb, var(--deck-accent) 35%, #0b1220) 0%, #0b1220 55%),
              radial-gradient(900px 500px at 100% 0%, color-mix(in srgb, var(--deck-accent-2) 30%, transparent) 0%, transparent 55%),
              #0b1220;
  color: #fff;
  padding: 128px 0 120px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.6), transparent 75%);
  opacity: .5;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: #fff; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 24px;
}
.eyebrow .pulse { width: 7px; height: 7px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px rgba(52,211,153,.25); animation: pulse-anim 2s infinite; }
@keyframes pulse-anim { 0%,100%{opacity:1} 50%{opacity:.35} }

.hero h1 { font-size: clamp(38px, 5vw, 62px); line-height: 1.04; font-weight: 800; color: #fff; }
.hero h1 .accent { color: var(--deck-accent); background: none; -webkit-text-fill-color: unset; }
.hero-lede { margin-top: 22px; font-size: 19px; line-height: 1.65; color: #b9c0d4; max-width: 620px; }
.hero-ctas { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.hero-personas { display: flex; gap: -8px; margin-top: 40px; align-items: center; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 44px; max-width: 480px; }
.hero-stat { border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.05); border-radius: 14px; padding: 14px 16px; }
.hero-stat .num { font-family: "Sora"; font-size: 24px; font-weight: 800; color: #fff; }
.hero-stat .lab { font-size: 11.5px; color: #9aa3ba; margin-top: 2px; text-transform: uppercase; letter-spacing: .05em; }

/* Browser mock frame used to "recreate" real UI screens */
.browser-frame {
  background: #0f1729; border-radius: 16px; border: 1px solid rgba(255,255,255,.1);
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.browser-frame .chrome {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  background: #131c30; border-bottom: 1px solid rgba(255,255,255,.06);
}
.browser-frame .chrome .b { width: 10px; height: 10px; border-radius: 50%; }
.browser-frame .chrome .b1 { background: #ff5f57; } .browser-frame .chrome .b2 { background: #febc2e; } .browser-frame .chrome .b3 { background: #28c840; }
.browser-frame .chrome .url { margin-left: 12px; font-size: 11.5px; color: #7c8598; background: rgba(255,255,255,.05); padding: 4px 12px; border-radius: 6px; flex:1; }
.browser-frame .screen { background: #f7f8fb; color: var(--ink); padding: 20px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14.5px;
  padding: 13px 24px; border-radius: 11px; border: 1px solid transparent; transition: all .15s ease;
}
.btn-primary { background: var(--deck-accent); color: #fff; box-shadow: 0 8px 20px color-mix(in srgb, var(--deck-accent) 45%, transparent); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 26px color-mix(in srgb, var(--deck-accent) 55%, transparent); }
.btn-ghost { background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.18); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { transform: translateY(-1px); }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--deck-accent); color: var(--deck-accent); }
.btn-sm { padding: 8px 14px; font-size: 12.5px; border-radius: 8px; }

/* ---------- Section headers ---------- */
.kicker {
  display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase;
  color: var(--deck-accent-ink); background: var(--deck-accent-dim); padding: 6px 12px; border-radius: 999px; margin-bottom: 18px;
}
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; }
.section-head p { margin-top: 16px; font-size: 17px; }
.section-dark .kicker { background: rgba(255,255,255,.1); color: #fff; }

/* ---------- Grids & Cards ---------- */
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 980px) { .g4, .g5 { grid-template-columns: repeat(2,1fr); } .g3 { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 640px) { .g2, .g3, .g4, .g5 { grid-template-columns: 1fr; } }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
button.card { width: 100%; }
button.card[data-tab].active { border-color: var(--deck-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--deck-accent) 18%, transparent); }
.card .icon-badge { width: 44px; height: 44px; border-radius: 12px; display:flex; align-items:center; justify-content:center; margin-bottom: 16px; }
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 14.5px; }

.icon-badge svg { width: 22px; height: 22px; }
.tone-blue { background: var(--blue-dim); color: var(--blue); }
.tone-red { background: var(--red-dim); color: var(--red); }
.tone-green { background: var(--green-dim); color: var(--green); }
.tone-amber { background: var(--amber-dim); color: var(--amber); }
.tone-purple { background: var(--purple-dim); color: var(--purple); }
.tone-cyan { background: var(--cyan-dim); color: var(--cyan); }

/* ---------- Stat blocks ---------- */
.stat-block { text-align: center; padding: 24px 16px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--white); }
.stat-block .num { font-family: "Sora"; font-size: 36px; font-weight: 800; color: var(--ink); }
.stat-block .lab { margin-top: 6px; font-size: 13px; color: var(--muted); font-weight: 600; }
.stat-block .sub { margin-top: 2px; font-size: 11.5px; color: var(--muted-dim); }

/* ---------- Badges / pills ---------- */
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: 999px; text-transform: uppercase; letter-spacing: .03em; }
.pill-red { background: var(--red-dim); color: var(--red); }
.pill-amber { background: var(--amber-dim); color: var(--amber); }
.pill-green { background: var(--green-dim); color: var(--green); }
.pill-blue { background: var(--blue-dim); color: var(--blue); }
.pill-purple { background: var(--purple-dim); color: var(--purple); }
.pill-gray { background: #eef0f6; color: #5b6478; }
.pill-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill-live { background: rgba(255,255,255,.1); color: #fff; }

/* ---------- Persona cards ---------- */
.persona {
  display: flex; align-items: center; gap: 12px; background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14); border-radius: 999px; padding: 6px 16px 6px 6px;
}
.persona .av {
  width: 34px; height: 34px; border-radius: 50%; display:flex; align-items:center; justify-content:center;
  font-weight: 800; font-size: 12.5px; color: #fff; flex-shrink:0;
}
.persona .name { font-size: 13px; font-weight: 700; color: #fff; }
.persona .role { font-size: 10.5px; color: #9aa3ba; }

.persona-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  display: flex; flex-direction: column; gap: 14px;
}
.persona-card .top { display: flex; align-items: center; gap: 14px; }
.persona-card .av-lg { width: 52px; height: 52px; border-radius: 50%; display:flex; align-items:center; justify-content:center; font-weight:800; font-size: 16px; color:#fff; flex-shrink:0;}
.persona-card .name { font-weight: 800; font-size: 15.5px; }
.persona-card .role { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.persona-card .quote { font-size: 14px; color: var(--ink); font-style: italic; line-height: 1.6; }
.persona-card .meta { display:flex; gap:8px; flex-wrap:wrap; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 36px; }
.timeline::before { content:""; position:absolute; left: 12px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.timeline-item { position: relative; padding-bottom: 32px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -36px; top: 2px; width: 26px; height: 26px; border-radius: 50%;
  background: var(--deck-accent); border: 4px solid var(--paper);
}
.timeline-item .t { font-size: 11.5px; font-weight: 800; color: var(--deck-accent-ink); text-transform: uppercase; letter-spacing: .05em; }
.timeline-item h4 { font-size: 15.5px; margin-top: 4px; }
.timeline-item p { margin-top: 6px; font-size: 14px; }
.timeline-item.critical::before { background: var(--red); }
.timeline-item.done::before { background: var(--green); }

/* ---------- Chat mockup ---------- */
.chatbox { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.chatbox .head { padding: 14px 18px; background: var(--ink); color:#fff; display:flex; align-items:center; justify-content:space-between; }
.chatbox .head .who { font-weight: 700; font-size: 14px; }
.chatbox .head .where { font-size: 11.5px; color: #9aa3ba; }
.chatbox .msgs { padding: 20px; display: flex; flex-direction: column; gap: 14px; max-height: 460px; overflow-y:auto; }
.msg { display: flex; flex-direction: column; max-width: 78%; gap: 3px; }
.msg .bubble { padding: 11px 15px; border-radius: 14px; font-size: 13.5px; line-height: 1.5; }
.msg .meta { font-size: 10.5px; color: var(--muted-dim); font-weight: 600; }
.msg.them { align-self: flex-start; }
.msg.them .bubble { background: var(--paper-dim); color: var(--ink); border-bottom-left-radius: 3px; }
.msg.me { align-self: flex-end; }
.msg.me .bubble { background: var(--deck-accent); color: #fff; border-bottom-right-radius: 3px; }
.msg.sys { align-self: center; max-width: 92%; }
.msg.sys .bubble { background: #fff7ed; color: #9a5b0d; border: 1px dashed #f0c988; font-size: 12px; text-align:center; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.deck-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 640px; }
table.deck-table th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 800; padding: 14px 16px; background: var(--paper-dim); border-bottom: 1px solid var(--line); white-space: nowrap;}
table.deck-table td { padding: 13px 16px; border-bottom: 1px solid var(--line-soft); color: var(--ink); }
table.deck-table tr:last-child td { border-bottom: none; }
table.deck-table .yes { color: var(--green); font-weight: 800; }
table.deck-table .no { color: var(--muted-dim); }
table.deck-table td.center, table.deck-table th.center { text-align: center; }

/* ---------- Tabs ---------- */
.tabbar { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 24px; flex-wrap: wrap; }
.tabbtn { padding: 12px 18px; font-size: 13.5px; font-weight: 700; color: var(--muted); border-bottom: 2px solid transparent; }
.tabbtn.active { color: var(--deck-accent-ink); border-color: var(--deck-accent); }
.tabpanel { display: none; }
.tabpanel.active { display: block; animation: fadein .3s ease; }
@keyframes fadein { from { opacity:0; transform: translateY(6px);} to { opacity:1; transform:none; } }

/* ---------- Progress ring / bars ---------- */
.barrow { display:flex; align-items:center; gap: 12px; }
.barrow .label { width: 130px; font-size: 12.5px; font-weight: 700; color: var(--ink); flex-shrink:0; }
.barrow .track { flex: 1; height: 8px; border-radius: 99px; background: var(--paper-dim); overflow: hidden; }
.barrow .fill { height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--deck-accent), var(--deck-accent-2)); }
.barrow .val { width: 54px; text-align:right; font-size: 12px; color: var(--muted); font-weight: 700;}

/* ---------- Feature list w/ check ---------- */
.checklist li { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid var(--line-soft); font-size: 14.5px; color: var(--ink); }
.checklist li:last-child { border-bottom: none; }
.checklist .ico { width: 20px; height:20px; border-radius:6px; background: var(--green-dim); color: var(--green); display:flex; align-items:center; justify-content:center; flex-shrink:0; margin-top:1px;}
.checklist .ico svg { width: 13px; height: 13px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal-stagger.in > * { }
.d1 { transition-delay: .05s; } .d2 { transition-delay: .12s; } .d3 { transition-delay: .19s; } .d4 { transition-delay: .26s; } .d5 { transition-delay: .33s; }

/* ---------- Counters ---------- */
.counter { font-variant-numeric: tabular-nums; }

/* ---------- Divider glow ---------- */
.glow-divider { height: 1px; background: linear-gradient(90deg, transparent, var(--line), transparent); margin: 0; }

/* ---------- CTA banner ---------- */
.cta-banner {
  border-radius: 28px; padding: 64px 56px; position: relative; overflow: hidden;
  background: radial-gradient(800px 400px at 20% 0%, color-mix(in srgb, var(--deck-accent) 55%, #0b1220), #0b1220 60%);
  color: #fff; text-align: center;
}
.cta-banner h2 { font-size: clamp(26px,3.4vw,38px); font-weight: 800; color: #fff; }
.cta-banner p { color: #b9c0d4; max-width: 560px; margin: 16px auto 0; font-size: 16px; }
.cta-actions { display:flex; gap: 12px; justify-content:center; margin-top: 30px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
footer.site-footer { background: var(--ink); color: #8b93a7; padding: 56px 0 40px; }
footer.site-footer .wrap { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: 20px; }
footer.site-footer .brand { color:#fff; font-weight: 800; font-size: 14px; display:flex; align-items:center; gap:8px;}
footer.site-footer .links { display:flex; gap: 18px; flex-wrap: wrap; }
footer.site-footer .links a { font-size: 13px; font-weight: 600; color: #9aa3ba; }
footer.site-footer .links a:hover { color: #fff; }
footer.site-footer .fine { font-size: 12px; margin-top: 26px; color: #565f74; text-align:center; }

/* ---------- Deck nav pager (bottom of every deck) ---------- */
.deck-pager { display:flex; justify-content: space-between; gap: 20px; padding: 26px 0; }
.deck-pager a { display:flex; flex-direction:column; gap:4px; padding: 16px 20px; border-radius: 14px; border: 1px solid var(--line); background:#fff; max-width: 320px; }
.deck-pager a:hover { border-color: var(--deck-accent); }
.deck-pager .lab { font-size: 11px; color: var(--muted-dim); text-transform:uppercase; letter-spacing:.06em; font-weight:800; }
.deck-pager .ttl { font-size: 14.5px; font-weight: 800; color: var(--ink); }
.deck-pager .next { text-align: right; margin-left: auto; }

/* ---------- Utility ---------- */
.mt-8{margin-top:8px} .mt-12{margin-top:12px} .mt-16{margin-top:16px} .mt-24{margin-top:24px} .mt-32{margin-top:32px} .mt-48{margin-top:48px}
.tac{text-align:center} .flex{display:flex} .items-center{align-items:center} .gap-8{gap:8px} .gap-12{gap:12px} .gap-16{gap:16px}
.small { font-size: 12.5px; color: var(--muted-dim); }
.mono { font-family: "SFMono-Regular", Consolas, monospace; }