/* ============================================================
   DeepChatBI — light "white + sky blue" visual system
   Colors below are sampled directly from the live deepchatbi.com
   site (brand blue #60a5c8, slate gray text scale, pure-black
   footer, standard red/amber/emerald semantics) so the rebuild
   matches actual brand color, not an approximation of it.
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-raised: #f1f5f9;
  --card: #ffffff;
  --card-hover: #f8fafc;
  --border: #e2e8f0;
  --border-soft: #f1f5f9;
  --text: #111827;
  --text-dim: #475569;
  --text-faint: #94a3b8;

  --brand: #60a5c8;
  --brand-strong: #377c9f;
  --brand-soft: #e4edf2;
  --brand-glow: rgba(96, 165, 200, 0.16);

  /* saturated headline-emphasis blue — deepened version of the real
     brand blue so inline accents actually pop against large black
     headline type instead of blending into --text-dim. */
  --accent-pop: #286d90;
  --accent-pop-2: #60a5c8;
  --accent-glow: rgba(40, 109, 144, 0.22);

  --cta-bg: #60a5c8;
  --navy: #000000;
  --navy-soft: #1a1a1a;

  --scale: #059669;
  --review: #b45309;
  --pause: #b91c1c;

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- badges / tags ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.02em; padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft); color: var(--text-dim);
}
.tag-scale { color: var(--scale); border-color: rgba(5,150,105,0.28); background: rgba(5,150,105,0.08); }
.tag-review { color: var(--review); border-color: rgba(180,83,9,0.32); background: rgba(180,83,9,0.10); }
.tag-pause { color: var(--pause); border-color: rgba(185,28,28,0.28); background: rgba(185,28,28,0.08); }
.tag-demo { color: var(--text-faint); }

.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-scale { background: var(--scale); }
.dot-review { background: var(--review); }
.dot-pause { background: var(--pause); }

/* ---------- nav ---------- */
header.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; }
.logo img { height: 26px; width: auto; display: block; }
nav.links { display: flex; align-items: center; gap: 28px; font-size: 14px; color: var(--text-dim); }
nav.links > a { position: relative; padding: 4px 0; transition: color .15s; }
nav.links > a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px; background: var(--brand);
  transition: right .2s ease;
}
nav.links > a:hover { color: var(--brand-strong); }
nav.links > a:hover::after { right: 0; }
.nav-cta {
  background: linear-gradient(160deg, var(--brand) 0%, var(--brand-strong) 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.35);
  color: #ffffff; font-weight: 700; font-size: 14px;
  padding: 9px 18px; border-radius: 8px; border: none; cursor: pointer;
  transition: background .15s, transform .15s, box-shadow .15s;
}
.nav-cta:hover { background: linear-gradient(160deg, var(--brand-strong) 0%, var(--accent-pop) 100%); transform: translateY(-1px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.35), 0 8px 18px rgba(96,165,200,0.28); }
.nav-cta:active { transform: translateY(0); }
.nav-cta-row { display: flex; align-items: center; gap: 10px; }
.nav-cta-ghost { background: transparent; color: var(--brand-strong); border: 1px solid var(--border); box-shadow: none; }
.nav-cta-ghost:hover { background: var(--bg-soft); border-color: var(--brand); color: var(--brand-strong); box-shadow: none; transform: translateY(-1px); }
.nav-cta-alt { background: linear-gradient(160deg, var(--accent-pop) 0%, var(--brand-strong) 100%); }
.nav-cta-alt:hover { background: linear-gradient(160deg, var(--accent-pop-2) 0%, var(--accent-pop) 100%); box-shadow: inset 0 1px 0 rgba(255,255,255,0.35), 0 8px 18px var(--accent-glow); }
.product-menu-wrap { position: relative; }
.product-menu-wrap > a { display: flex; align-items: center; }
.product-menu {
  position: absolute; top: 38px; left: -20px; width: 480px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; box-shadow: 0 24px 60px rgba(15,23,32,0.12);
  opacity: 0; visibility: hidden; transform: translateY(-6px); pointer-events: none;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.product-menu-wrap:hover .product-menu { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.product-menu a { display: block; padding: 10px 12px; border-radius: var(--radius-sm); font-size: 13px; color: var(--text-dim); transition: background .15s, color .15s, transform .15s; }
.product-menu a:hover { background: var(--bg-soft); color: var(--text); transform: translateX(2px); }
.product-menu a .pm-title { color: var(--text); font-weight: 600; display: block; margin-bottom: 2px; }

/* ---------- hero ---------- */
.hero { padding: 88px 0 64px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 480px;
  background: radial-gradient(600px 300px at 20% 0%, var(--brand-glow), transparent 70%);
  pointer-events: none;
}

/* ---------- photo hero (Triple Whale-style full-bleed) ---------- */
.hero-photo {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  background-image:
    linear-gradient(100deg, rgba(0,0,0,0.80) 0%, rgba(0,0,0,0.58) 42%, rgba(0,0,0,0.26) 68%, rgba(0,0,0,0.12) 100%),
    url('assets/hero-bg.jpg');
  background-size: auto, 100%;
  background-position: center 30%;
  animation: heroZoom 26s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { background-size: auto, 100%; }
  to { background-size: auto, 112%; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-photo { animation: none; }
}
.hero-photo .wrap { position: relative; z-index: 1; padding-top: 64px; padding-bottom: 64px; max-width: none; margin: 0; padding-left: clamp(24px, 7vw, 120px); padding-right: 24px; }
.hero-photo h1.h1-oneline { font-size: 48px; max-width: 920px; white-space: nowrap; }
@media (max-width: 960px) { .hero-photo h1.h1-oneline { white-space: normal; font-size: 38px; } }
.hero-photo .eyebrow { color: #aacad9; }
.hero-photo h1 { color: #ffffff; max-width: 680px; }
.hero-photo h1 .accent { color: #99c2d7; }
.hero-photo .lede { color: rgba(255,255,255,0.86); max-width: 620px; }
.hero-photo .lede-accent { color: #9fd4ee; font-weight: 700; }
.hero-photo .lede-etc { color: #ffffff; font-weight: 600; }
.hero-photo .lede-strong { color: #9fd4ee; font-weight: 700; }
.hero-photo .fine-print { color: rgba(255,255,255,0.68); }
.hero-photo .btn-ghost { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.55); color: #fff; backdrop-filter: blur(4px); }
.hero-photo .btn-ghost:hover { background: rgba(255,255,255,0.18); border-color: #fff; color: #fff; }
.link-plain { display: inline-block; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--brand-strong); text-decoration: none; }
.link-plain:hover { text-decoration: underline; }
.hero-photo .link-plain { color: rgba(255,255,255,0.85); }
.hero-photo .link-plain:hover { color: #fff; }
@media (max-width: 860px) {
  .hero-photo { min-height: 520px; background-position: center 20%; }
}
.eyebrow { font-family: var(--mono); font-size: 13px; color: var(--brand-strong); letter-spacing: 0.04em; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
h1 { font-size: 54px; line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 20px; max-width: 780px; font-weight: 800; }
h1 .accent, h2 .accent {
  color: var(--accent-pop);
  font-weight: 900;
  text-shadow: 0 0 30px var(--accent-glow);
}
@supports (background-clip: text) or (-webkit-background-clip: text) {
  h1 .accent, h2 .accent {
    background: linear-gradient(90deg, var(--accent-pop) 0%, var(--accent-pop-2) 55%, var(--accent-pop) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
.lede { font-size: 19px; color: var(--text-dim); max-width: 620px; margin: 0 0 32px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn-primary {
  background: linear-gradient(160deg, var(--brand) 0%, var(--brand-strong) 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.35), 0 1px 2px rgba(15,23,32,0.06);
  color: #ffffff; font-weight: 700; font-size: 15px;
  padding: 13px 24px; border-radius: 10px; border: none; cursor: pointer; display: inline-block;
  transition: background .15s, transform .15s, box-shadow .15s;
}
.btn-primary:hover { background: linear-gradient(160deg, var(--brand-strong) 0%, var(--accent-pop) 100%); transform: translateY(-2px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.35), 0 10px 24px rgba(96,165,200,0.32); }
.btn-primary:active { transform: translateY(0); box-shadow: inset 0 1px 0 rgba(255,255,255,0.25), 0 4px 10px rgba(96,165,200,0.28); }
.btn-ghost {
  border: 1px solid var(--border); background: linear-gradient(160deg, #ffffff 0%, var(--bg-soft) 100%); color: var(--text); font-weight: 600; font-size: 15px;
  padding: 12px 22px; border-radius: 10px; display: inline-block;
  transition: border-color .15s, color .15s, transform .15s, box-shadow .15s;
}
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-strong); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(15,23,32,0.08); }
.btn-ghost:active { transform: translateY(0); }
.fine-print { font-size: 13px; color: var(--text-faint); margin-top: 14px; }

/* ---------- sections ---------- */
section { padding: 80px 0; border-top: none; }
section.soft { background: var(--bg-soft); }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-label { font-family: var(--mono); font-size: 12px; color: var(--brand-strong); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 10px; }
.section-tag-row { display: flex; align-items: center; gap: 18px; margin-bottom: 28px; }
.section-tag {
  display: inline-flex; align-items: center; flex: 0 0 auto;
  padding: 9px 18px; border: 1px solid var(--border); border-radius: 10px;
  background: linear-gradient(160deg, #ffffff 0%, var(--bg-soft) 100%);
  font-weight: 700; font-size: 14.5px; color: var(--text); letter-spacing: -0.005em;
  box-shadow: 2px 2px 0 -1px rgba(15,23,32,0.04), 0 2px 6px rgba(15,23,32,0.05);
}
.section-tag-row::after { content: ""; flex: 1 1 auto; height: 0; border-top: 1px dashed var(--border); }
h2 { font-size: 36px; letter-spacing: -0.01em; margin: 0 0 12px; font-weight: 800; }
.section-sub { color: var(--text-dim); font-size: 16px; }

/* ---------- cards / grid ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: 1fr 1fr; }
.card {
  background: linear-gradient(160deg, #ffffff 0%, var(--bg-soft) 100%); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: 0 1px 2px rgba(15,23,32,0.03);
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.card:hover { border-color: #d3dce5; box-shadow: 0 10px 26px rgba(15,23,32,0.06); transform: translateY(-2px); }
.card h3 { font-size: 17px; margin: 0 0 8px; }
.card p { color: var(--text-dim); font-size: 14px; margin: 0; }
.stat { font-family: var(--mono); font-size: 30px; font-weight: 700; color: var(--text); }
.stat-label { color: var(--text-faint); font-size: 13px; margin-top: 4px; }

/* product tour card */
.tour-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; display: block; transition: border-color .15s, box-shadow .15s, transform .15s;
}
.tour-card:hover { border-color: var(--brand); box-shadow: 0 8px 24px rgba(96,165,200,0.12); transform: translateY(-2px); }
.tour-card.tc-accent { position: relative; overflow: hidden; padding-top: 26px; }
.tour-card.tc-accent::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); }
.tour-card .kicker { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; color: #fff; margin-bottom: 16px; font-size: 19px; box-shadow: 0 8px 18px rgba(15,23,32,0.16); }
.tour-card h3 { font-size: 19px; margin: 0 0 8px; }
.tour-card p { color: var(--text-dim); font-size: 14px; margin: 0 0 16px; }
.tour-card .pm-feat { font-family: var(--mono); font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.03em; margin: 0 0 14px; }
.tour-card .go { color: var(--brand-strong); font-size: 13px; font-weight: 600; }

/* product carousel — replaces the 3-card grid so the 4th "how it thinks"
   slide (conversational AI + reasoning) has room without crowding the page */
.pcarousel-slide { display: none; }
.pcarousel-slide.active { display: block; animation: pcSlideIn .4s ease; }
@keyframes pcSlideIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .pcarousel-slide.active { animation: none; } }
.pcarousel-card {
  background: linear-gradient(160deg, #ffffff 0%, var(--bg-soft) 100%); border: 1px solid var(--border); border-radius: 20px; padding: 44px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; position: relative; overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(15,23,32,0.18);
}
.pcarousel-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); }
.pcarousel-card::after {
  content: ""; position: absolute; top: -120px; right: -120px; width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
  pointer-events: none;
}
.pcarousel-card h3 { font-size: 30px; font-weight: 800; line-height: 1.18; letter-spacing: -0.01em; margin: 0 0 16px; color: var(--text); }
.pcarousel-card p { font-size: 14.5px; color: var(--text-dim); margin: 0 0 16px; }
.pcarousel-card .pm-feat { font-family: var(--mono); font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.03em; margin: 0 0 16px; }
.pcarousel-card .go { color: var(--brand-strong); font-weight: 600; font-size: 14px; }
@media (max-width: 860px) {
  .pcarousel-card { grid-template-columns: 1fr; padding: 28px; }
  .pcarousel-visual { order: -1; }
  .pcarousel-card h3 { font-size: 24px; }
}

/* mini product-preview panels — grounded recreations of the real workspace
   screens (Smart Budget Control / Profit&Cost / SKU Refund Summary / AI
   Chain of Thought), standing in for a screenshot we can't embed directly. */
.pcarousel-visual {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 16px; padding: 18px;
  position: relative; z-index: 1; box-shadow: 0 16px 34px -18px rgba(15,23,32,0.22);
}
.mini-tabs { display: flex; gap: 16px; padding-bottom: 10px; margin-bottom: 14px; border-bottom: 1px solid var(--border); font-size: 12px; font-weight: 700; color: var(--text-faint); }
.mini-tabs .mtab-active { color: var(--accent); border-bottom: 2px solid var(--accent); padding-bottom: 9px; margin-bottom: -11px; }
.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mini-stat { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.mini-stat .mini-label { font-family: var(--mono); font-size: 9.5px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 4px; }
.mini-stat .mini-num { font-family: var(--mono); font-weight: 800; font-size: 18px; color: var(--text); }
.mini-stat .mini-sub { font-size: 10.5px; color: var(--text-faint); margin-top: 2px; }
.mini-list .mini-row { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; margin-bottom: 8px; }
.mini-list .mini-row:last-child { margin-bottom: 0; }
.mini-row .mini-ic { font-size: 16px; }
.mini-row-label { font-size: 11.5px; color: var(--brand-strong); font-weight: 600; }
.mini-row-num { font-family: var(--mono); font-weight: 800; font-size: 17px; color: var(--text); }
.mini-list-simple { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; margin-top: 10px; }
.mini-list-row { display: flex; justify-content: space-between; font-size: 11.5px; padding: 4px 0; color: var(--text-dim); }
.mini-list-row span:last-child { font-weight: 700; color: var(--brand-strong); }
.mini-chain .mini-chain-step { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; margin-bottom: 8px; }
.mini-chain .mini-chain-step:last-child { margin-bottom: 0; }
.mini-chip { display: inline-block; font-family: var(--mono); font-size: 10.5px; font-weight: 700; color: var(--scale); margin-bottom: 4px; }
.mini-chip::before { content: "✓ "; }
.mini-chain-step p { margin: 0; font-size: 11.5px; color: var(--text-dim); line-height: 1.4; }
.pcarousel-controls { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 22px; }
.pcarousel-arrow {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); background: #fff;
  display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--text-dim);
  transition: border-color .15s, color .15s, transform .15s; flex: 0 0 auto; font-size: 15px;
}
.pcarousel-arrow:hover { border-color: var(--brand); color: var(--brand-strong); transform: translateY(-1px); }
.pcarousel-dots { display: flex; gap: 8px; }
.pcarousel-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); border: none; cursor: pointer; padding: 0; transition: all .2s; }
.pcarousel-dot.active { background: var(--brand); width: 24px; border-radius: 5px; }

/* table */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-family: var(--mono); font-weight: 600; color: var(--text-faint); text-transform: uppercase; font-size: 11px; letter-spacing: 0.04em; padding: 12px 16px; background: var(--bg-soft); border-bottom: 1px solid var(--border); }
td { padding: 13px 16px; border-bottom: 1px solid var(--border-soft); color: var(--text-dim); transition: background .15s; }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-soft); }
.compare-tight tbody tr:hover td { background: var(--bg-raised); }
.compare-tight tbody tr:hover .col-us { background: var(--brand-soft); }
td.num, th.num { font-family: var(--mono); color: var(--text); }
td.strong { color: var(--text); font-weight: 600; }

/* compare table (competitive) */
.compare th, .compare td { vertical-align: middle; }
.compare .col-us { background: linear-gradient(180deg, var(--brand-soft), #e8eff3); border-left: 2px solid var(--brand); border-right: 2px solid var(--brand); }
.compare th.col-us { background: linear-gradient(135deg, var(--brand-strong), var(--brand)); color: #fff; border-bottom: 2px solid var(--brand-strong); }
.compare-tight td, .compare-tight th { padding: 14px 16px; font-size: 13px; white-space: nowrap; }
.compare-tight tbody tr:nth-child(even) { background: var(--bg-soft); }
.compare-tight tbody tr:nth-child(even) .col-us { background: linear-gradient(180deg, var(--brand-soft), #dfe9ee); }
.compare-tight .x { color: var(--text-faint); font-weight: 700; margin-right: 6px; }
.compare-tight .ok {
  display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px;
  border-radius: 50%; background: var(--brand); color: #fff; font-size: 10px; font-weight: 800; margin-right: 8px;
}
.compare-tight .col-us { font-weight: 700; color: var(--brand-strong); }
@media (max-width: 700px) { .compare-tight td, .compare-tight th { white-space: normal; } }

/* testimonial */
.quote-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.quote-card p.quote { font-size: 15px; color: var(--text); margin: 0 0 16px; }
.quote-card .attrib { font-size: 13px; color: var(--text-faint); }

/* pricing */
.price-card { background: linear-gradient(160deg, #ffffff 0%, var(--bg-soft) 100%); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; position: relative; overflow: hidden; transition: transform .2s, box-shadow .2s; }
.price-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(15,23,32,0.08); }
.price-card.featured:hover { box-shadow: 0 30px 70px rgba(15,29,46,0.4); }
.price-card li { transition: color .15s; }
.price-card .price-sub { color: var(--text-dim); font-size: 14px; margin-bottom: 6px; }
.price-card .badge {
  display: inline-flex; align-items: center; font-family: var(--mono); font-size: 11px; font-weight: 700; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.05em; padding: 5px 12px; border-radius: 999px; background: var(--bg-soft); margin-bottom: 14px;
}
.price-card .amount { font-family: var(--mono); font-size: 38px; font-weight: 700; margin: 10px 0 6px; }
.price-card .amount span { font-size: 15px; color: var(--text-faint); font-weight: 500; }
.price-card ul { list-style: none; padding: 0; margin: 20px 0 0; }
.price-card li { padding: 8px 0; border-top: 1px solid var(--border-soft); font-size: 14px; color: var(--text-dim); }
.price-card li::before { content: "✓"; color: var(--scale); font-weight: 700; margin-right: 8px; }
.price-card li.lead { color: var(--text-faint); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.03em; font-family: var(--mono); }
.price-card li.lead::before { content: none; }
.price-card.featured {
  background: linear-gradient(165deg, #1a1a1a, #050505); color: #fff; border: none;
  box-shadow: 0 24px 60px rgba(0,0,0,0.32), 0 0 0 0 rgba(96,165,200,0.35);
  animation: proGlow 3.2s ease-in-out infinite;
}
@keyframes proGlow {
  0%, 100% { box-shadow: 0 24px 60px rgba(0,0,0,0.32), 0 0 0 0 rgba(96,165,200,0.35); }
  50% { box-shadow: 0 24px 60px rgba(0,0,0,0.32), 0 0 42px 8px rgba(96,165,200,0.45); }
}
@media (prefers-reduced-motion: reduce) { .price-card.featured { animation: none; } }
.price-card.featured .price-ribbon {
  position: absolute; top: 0; right: 24px; background: linear-gradient(135deg, var(--brand), var(--scale));
  color: #fff; font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 7px 14px; border-radius: 0 0 8px 8px;
}
.price-card.featured .badge { background: rgba(255,255,255,0.14); color: #fff; }
.price-card.featured .price-sub { color: rgba(255,255,255,0.6); }
.price-card.featured .amount { color: #fff; }
.price-card.featured .amount span { color: rgba(255,255,255,0.55); }
.price-card.featured .price-note { font-size: 12.5px; color: #7fd9b6; margin-bottom: 20px; line-height: 1.4; }
.price-card.featured li { border-top-color: rgba(255,255,255,0.12); color: rgba(255,255,255,0.85); }
.price-card.featured li.lead { color: rgba(255,255,255,0.45); }
.price-card .btn-primary, .price-card .btn-ghost { display: block; text-align: center; width: 100%; }

/* final CTA flood-blue band, like the live site */
.cta-band {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, var(--cta-bg), var(--brand-strong), var(--cta-bg));
  background-size: 220% 220%; animation: ctaShift 12s ease-in-out infinite;
  border-radius: var(--radius); padding: 56px 48px; text-align: center;
}
@keyframes ctaShift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@media (prefers-reduced-motion: reduce) { .cta-band { animation: none; } }
.cta-band .cta-photo {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: blur(3px) saturate(0.5) brightness(0.7); opacity: 0.38; z-index: 0; pointer-events: none;
}
.cta-band > *:not(.cta-photo) { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; }
.cta-band .section-sub { color: rgba(255,255,255,0.88); }
.cta-band .btn-ghost { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.55); color: #fff; backdrop-filter: blur(4px); }
.cta-band .btn-ghost:hover { background: rgba(255,255,255,0.20); border-color: #fff; color: #fff; }
.cta-band .btn-primary { background: #fff; color: var(--accent-pop); border: none; }
.cta-band .btn-primary:hover { background: #fff; color: var(--accent-pop-2); box-shadow: 0 10px 24px rgba(255,255,255,0.28); }
.cta-band .fine-print { color: rgba(255,255,255,0.75); }

/* footer — dark navy like the live site */
footer { background: var(--navy); color: #cbd5e1; padding: 56px 0 32px; margin-top: 40px; }
footer .logo img { height: 30px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; align-items: flex-start; }
.footer-links { display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: #94a3b8; }
.footer-links a:hover { color: #fff; }
.footer-contact { font-size: 13px; color: #64748b; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; }
.footer-bottom { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--navy-soft); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 12px; color: #64748b; }

/* agentic commerce flow diagram — Paid -> GEO -> Retention -> Profit World
   Model -> Top N Actions, recreated from the live site's current hero
   graphic (deepchatbi.com/en) with real channel/LLM logos. */
.flow-row { display: flex; align-items: stretch; gap: 14px; margin-top: 8px; }
.flow-node {
  --accent: var(--brand);
  flex: 1 1 0; min-width: 0;
  background: linear-gradient(155deg, #ffffff 0%, var(--bg-soft) 100%);
  border: 1px solid var(--border); border-radius: 24px;
  padding: 32px 18px; text-align: center; position: relative; overflow: hidden;
  box-shadow: 6px 6px 0 -1px color-mix(in srgb, var(--accent) 14%, white), 0 14px 26px -16px rgba(15,23,32,0.18);
  animation: flowPulse 15s ease-in-out infinite;
}
.flow-node::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--accent);
  opacity: 0.85; z-index: 2;
}
.flow-node::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 50% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
  opacity: 0; animation: flowGlow 15s ease-in-out infinite;
}
.flow-node > * { position: relative; z-index: 1; }
/* one node "lights up" at a time, cycling through the pipeline — echoes the
   live site's own animated highlight on this exact diagram. The highlight
   is kept contained to the card itself (soft interior tint + border/shadow
   shift) rather than an external glow blob, so the row stays clean instead
   of smearing color into the surrounding whitespace. */
@keyframes flowPulse {
  0%   { border-color: var(--border); box-shadow: 6px 6px 0 -1px color-mix(in srgb, var(--accent) 14%, white), 0 14px 26px -16px rgba(15,23,32,0.18); transform: translateY(0) scale(1); }
  4%   { border-color: var(--accent); box-shadow: 8px 8px 0 -1px color-mix(in srgb, var(--accent) 30%, white), 0 22px 40px -18px color-mix(in srgb, var(--accent) 38%, transparent); transform: translateY(-5px) scale(1.025); }
  18%  { border-color: var(--accent); box-shadow: 8px 8px 0 -1px color-mix(in srgb, var(--accent) 30%, white), 0 22px 40px -18px color-mix(in srgb, var(--accent) 38%, transparent); transform: translateY(-5px) scale(1.025); }
  28%  { border-color: var(--border); box-shadow: 6px 6px 0 -1px color-mix(in srgb, var(--accent) 14%, white), 0 14px 26px -16px rgba(15,23,32,0.18); transform: translateY(0) scale(1); }
  100% { border-color: var(--border); box-shadow: 6px 6px 0 -1px color-mix(in srgb, var(--accent) 14%, white), 0 14px 26px -16px rgba(15,23,32,0.18); transform: translateY(0) scale(1); }
}
@keyframes flowGlow {
  0%   { opacity: 0; }
  4%   { opacity: 1; }
  18%  { opacity: 1; }
  28%  { opacity: 0; }
  100% { opacity: 0; }
}
.flow-row > .flow-node:nth-child(1) { animation-delay: 0s; }
.flow-row > .flow-node:nth-child(1)::after { animation-delay: 0s; }
.flow-row > .flow-node:nth-child(3) { animation-delay: 3s; }
.flow-row > .flow-node:nth-child(3)::after { animation-delay: 3s; }
.flow-row > .flow-node:nth-child(5) { animation-delay: 6s; }
.flow-row > .flow-node:nth-child(5)::after { animation-delay: 6s; }
.flow-row > .flow-node:nth-child(7) { animation-delay: 9s; }
.flow-row > .flow-node:nth-child(7)::after { animation-delay: 9s; }
.flow-row > .flow-node:nth-child(9) { animation-delay: 12s; }
.flow-row > .flow-node:nth-child(9)::after { animation-delay: 12s; }
@media (prefers-reduced-motion: reduce) {
  .flow-node, .flow-node::after, .flow-arrow { animation: none; }
}
.flow-node-actions { text-align: left; }
.flow-title { font-weight: 800; font-size: 18px; color: var(--text); margin-bottom: 6px; letter-spacing: -0.01em; }
.flow-sub { font-size: 13px; color: var(--text-faint); line-height: 1.4; margin-bottom: 14px; }
.flow-icons { display: flex; flex-wrap: nowrap; align-items: center; justify-content: center; gap: 6px; }
.flow-ic {
  display: flex; align-items: center; justify-content: center; width: 34px; height: 34px;
  border-radius: 10px; border: 1px solid var(--border-soft);
  background: linear-gradient(155deg, #ffffff, #f5f8fa); flex: 0 0 auto;
  box-shadow: 2px 2px 0 -1px rgba(15,23,32,0.05), 0 4px 10px rgba(15,23,32,0.08);
}
.flow-ic img { max-width: 19px; max-height: 19px; object-fit: contain; }
.flow-ic-svg svg { width: 17px; height: 17px; }
.flow-ic-svg { color: var(--text); }
.flow-arrow {
  display: flex; align-items: center; justify-content: center; flex: 0 0 auto; font-size: 20px;
  color: var(--text-faint); animation: arrowPulse 15s ease-in-out infinite;
}
@keyframes arrowPulse {
  0%   { color: var(--text-faint); transform: translateX(0) scale(1); }
  8%   { color: var(--brand); transform: translateX(5px) scale(1.25); }
  16%  { color: var(--text-faint); transform: translateX(0) scale(1); }
  100% { color: var(--text-faint); transform: translateX(0) scale(1); }
}
.flow-row > .flow-arrow:nth-child(2) { animation-delay: 2s; }
.flow-row > .flow-arrow:nth-child(4) { animation-delay: 5s; }
.flow-row > .flow-arrow:nth-child(6) { animation-delay: 8s; }
.flow-row > .flow-arrow:nth-child(8) { animation-delay: 11s; }
.flow-actions { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.flow-actions li { display: flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 600; color: var(--text-dim); line-height: 1.35; }
.flow-num {
  display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; flex: none;
  border-radius: 50%; background: var(--brand-soft); color: var(--brand-strong); font-size: 12px; font-weight: 700;
}
@media (max-width: 900px) {
  .flow-row { flex-direction: column; gap: 14px; }
  .flow-arrow { transform: rotate(90deg); padding: 4px 0; }
  .flow-row > .flow-arrow:nth-child(even) { animation-delay: 0s; }
  .flow-node { text-align: left; }
  .flow-node-actions, .flow-node { text-align: left; }
  .flow-icons { justify-content: flex-start; }
}

/* logo strip — auto-scrolling marquee */
.logo-strip-caption {
  text-align: center; font-family: var(--mono); font-size: 12px; color: var(--text-faint);
  letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 24px;
}
.logo-strip-outer {
  overflow: hidden; position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.logo-strip { display: flex; align-items: center; gap: 12px; width: max-content; animation: logoScroll 26s linear infinite; }
.logo-strip .lg { display: flex; align-items: center; justify-content: center; height: 44px; width: 128px; flex: 0 0 auto; }
.logo-strip .lg img { max-height: 38px; max-width: 112px; width: auto; height: auto; object-fit: contain; filter: grayscale(0.2); opacity: 0.9; }
.logo-strip-outer:hover .logo-strip { animation-play-state: paused; }
@keyframes logoScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .logo-strip { animation: none; } }

/* breadcrumb-ish product header */
.product-hero { padding: 56px 0 40px; }
.product-hero .eyebrow-row { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }

.two-col { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }

.callout {
  border: 1px solid var(--border); background: var(--bg-soft); border-radius: var(--radius);
  padding: 18px 20px; font-size: 14px; color: var(--text-dim); display: flex; gap: 12px; align-items: flex-start;
}
.callout .icon { color: var(--brand-strong); font-family: var(--mono); font-weight: 700; }

.step-list { counter-reset: step; display: grid; gap: 18px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step .n { font-family: var(--mono); width: 32px; height: 32px; flex: none; border-radius: 8px; background: var(--brand-soft); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--brand-strong); font-weight: 700; font-size: 13px; }
.step h4 { margin: 0 0 4px; font-size: 15px; }
.step p { margin: 0; color: var(--text-dim); font-size: 13px; }

.prev-next { display: flex; justify-content: space-between; margin-top: 12px; padding: 20px 0; font-size: 13px; color: var(--text-dim); }
.prev-next a:hover { color: var(--brand-strong); }

/* screenshot frame — soft elevated card, matches the live site's
   product screenshots sitting in a light rounded shadowed panel */
.screenshot-frame {
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 30px 70px rgba(15,23,32,0.10), 0 4px 12px rgba(15,23,32,0.04);
}
.screenshot-frame .bar { display: flex; gap: 6px; padding: 4px 6px 12px; }
.screenshot-frame .bar span { width: 10px; height: 10px; border-radius: 50%; background: #e2e8f0; display: inline-block; }
.screenshot-frame img { border-radius: 10px; border: 1px solid var(--border-soft); }

/* Profit World Model product mockup — coded recreation of the real
   workspace screen (demo account), used since we don't have a hosted
   asset for it yet. Swap for a real screenshot export when available. */
.pwm-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.pwm-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.pwm-topbar .title { font-weight: 800; font-size: 18px; }
.pwm-topbar .date { font-family: var(--mono); font-size: 12px; color: var(--text-faint); border: 1px solid var(--border); border-radius: 8px; padding: 5px 10px; margin-left: 10px; }
.pwm-topbar .pill { font-size: 12px; font-weight: 600; color: #fff; background: #1b6f86; border-radius: 999px; padding: 7px 14px; }
.pwm-body { background: var(--bg-soft); border-radius: 12px; padding: 20px; }
.pwm-preview-row { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.pwm-preview-label { font-family: var(--mono); font-size: 11px; color: var(--brand-strong); letter-spacing: .06em; margin-bottom: 6px; }
.pwm-preview-row h3 { font-size: 20px; margin: 0 0 6px; }
.pwm-preview-row p { font-size: 13px; color: var(--text-dim); margin: 2px 0; }
.pwm-tag { font-size: 12px; background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 6px 12px; color: var(--text-dim); white-space: nowrap; }
.pwm-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-bottom: 16px; }
.pwm-stat { background: #fff; border-radius: 12px; padding: 14px 16px; display: flex; gap: 12px; align-items: center; }
.pwm-stat .ic { width: 38px; height: 38px; border-radius: 50%; flex: none; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; }
.pwm-stat .num { font-weight: 800; font-size: 18px; }
.pwm-stat .lbl { font-size: 12px; color: var(--text-faint); }
.pwm-cols { display: grid; grid-template-columns: 1.1fr 0.9fr 0.85fr; gap: 14px; }
.pwm-panel { background: #fff; border-radius: 12px; padding: 16px; }
.pwm-panel h4 { font-size: 14px; margin: 0 0 10px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pwm-action { display: flex; justify-content: space-between; align-items: center; padding: 9px 0; border-top: 1px solid var(--border-soft); gap: 10px; }
.pwm-action:first-of-type { border-top: none; }
.pwm-action .t { font-size: 13px; color: var(--text); font-weight: 600; }
.pwm-action .s { font-size: 12px; color: var(--text-faint); }
.pwm-action .save { font-size: 12px; color: var(--brand-strong); font-weight: 600; }
.pwm-sev { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; }
.pwm-sev-critical { color: #b91c1c; background: #fee2e2; }
.pwm-sev-high { color: #92400e; background: #fef3c7; }

/* "why" panel — surfaces the real AI Chain of Thought (Plan/Query/Summary
   agent) feature from the live workspace, as proof PWM's calls are
   explainable rather than a black-box score. */
.pwm-reason-tag {
  font-size: 10px; font-family: var(--mono); text-transform: uppercase; letter-spacing: .04em;
  color: var(--brand-strong); background: var(--brand-soft); padding: 3px 8px; border-radius: 999px;
}
.pwm-reason-step { padding: 8px 0; border-top: 1px solid var(--border-soft); font-size: 12.5px; color: var(--text); font-weight: 600; }
.pwm-reason-step:first-of-type { border-top: none; }
.pwm-reason-step::before { content: "✓ "; color: var(--scale); font-weight: 700; font-size: 12px; }
.pwm-reason-meta { color: var(--text-faint); font-size: 11.5px; font-weight: 400; display: block; margin: 3px 0 0 17px; }
@media (max-width: 860px) {
  .pwm-cols { grid-template-columns: 1fr; }
}

/* stat band — pain point + flagship metric + architecture facts.
   Light, plain-typography treatment (no dark card) so it reads as part of
   the same page as everything else, the way hubspot.com and triplewhale.com
   run their stat/claim lines directly on the page background. */
.statband { padding-top: 4px; }

/* problem / result — the contrast is carried by layout, not by red/green
   text (which read as off-brand next to the site's white + steel-blue
   palette). Problem sits plain on white; the result sits inside a
   brand-blue panel directly below it, so the shift in style itself is
   the "before / after" cue. */
.pf-row { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 32px; }
.pf-lead { font-size: 24px; font-weight: 800; letter-spacing: -0.01em; flex: 0 0 auto; white-space: nowrap; padding-top: 2px; color: var(--review); }

.statband-top { padding-bottom: 28px; }
.problem-carousel { position: relative; flex: 1 1 400px; min-height: 108px; }
.problem-slide {
  position: absolute; inset: 0; opacity: 0;
  animation: pcFade 32s ease-in-out infinite;
}
.problem-slide h4 { font-size: 22px; line-height: 1.3; margin: 0 0 6px; font-weight: 800; color: var(--text); letter-spacing: -0.01em; }
.problem-slide p { font-size: 14.5px; line-height: 1.55; margin: 0; color: var(--text-dim); max-width: 480px; }
.problem-slide:nth-child(1) { animation-delay: 0s; }
.problem-slide:nth-child(2) { animation-delay: 4s; }
.problem-slide:nth-child(3) { animation-delay: 8s; }
.problem-slide:nth-child(4) { animation-delay: 12s; }
.problem-slide:nth-child(5) { animation-delay: 16s; }
.problem-slide:nth-child(6) { animation-delay: 20s; }
.problem-slide:nth-child(7) { animation-delay: 24s; }
.problem-slide:nth-child(8) { animation-delay: 28s; }
@keyframes pcFade {
  0% { opacity: 0; transform: translateY(6px); }
  1.5% { opacity: 1; transform: translateY(0); }
  11% { opacity: 1; transform: translateY(0); }
  12.5% { opacity: 0; transform: translateY(-6px); }
  100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .problem-slide { animation: none; }
  .problem-slide:not(:first-child) { display: none; }
}
@media (max-width: 700px) {
  .problem-slide h4 { font-size: 19px; }
  .problem-carousel { min-height: 128px; }
}

/* everything DeepChatBI brings — the stat sentence and the 4 facts are
   both "what we deliver", so they live in one panel together instead of
   the stat alone getting singled out for special treatment. */
.statband-answer { margin-top: 24px; background: var(--brand-soft); border-radius: 20px; padding: 32px 32px 28px; }
.statband-answer-label {
  font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--brand-strong); margin-bottom: 16px;
}
.fix-stat { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: -0.01em; line-height: 1.4; margin: 0; }
.fix-stat .fix-num { font-family: var(--mono); font-weight: 800; color: var(--brand-strong); font-size: 26px; }

.statband-metrics { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(96,165,200,0.22); padding-top: 24px; margin-top: 24px; }
.statband-metrics .m { padding-right: 24px; }
.statband-metrics .m:not(:first-child) { border-left: 1px solid rgba(96,165,200,0.22); padding-left: 24px; }
.statband-metrics .n { font-family: var(--mono); font-weight: 800; font-size: 24px; color: var(--text); margin-bottom: 6px; }
.statband-metrics .c { font-size: 12.5px; color: var(--text-dim); line-height: 1.45; }
@media (max-width: 960px) {
  .problem-carousel { min-height: 180px; }
  .statband-answer { padding: 24px; }
  .statband-metrics { grid-template-columns: repeat(2,1fr); row-gap: 20px; }
  .statband-metrics .m:nth-child(2n) { border-left: none; }
  .statband-metrics .m:nth-child(n+3) { border-top: 1px solid rgba(96,165,200,0.22); padding-top: 20px; }
}

/* channel logo chips (legacy grid, kept for reference) */
.chan-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-bottom: 24px; }
.chan-chip { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.chan-chip img { width: 24px; height: 24px; object-fit: contain; border-radius: 5px; flex: none; }
.chan-chip span { font-weight: 600; font-size: 14px; }
@media (max-width: 860px) { .chan-grid { grid-template-columns: repeat(2,1fr); } }

/* layered "stack of sheets" visual, HubSpot-style depth */
.stack3d { position: relative; height: 380px; }
.stack3d .sheet {
  position: absolute; top: 10px; left: 0; width: 88%; height: 90%;
  border-radius: 22px; box-shadow: 0 30px 60px rgba(15,23,32,0.14);
}
.stack3d .sheet-label {
  position: absolute; bottom: 22px; left: 22px; font-family: var(--font-voice, var(--sans));
  font-style: italic; font-size: 15px; color: rgba(20,30,40,0.5);
}
.stack3d .sheet-back {
  background: linear-gradient(160deg,#f1e9fb,#e2d3f6);
  transform: rotate(8deg) translate(78px, -6px);
  z-index: 1;
}
.stack3d .sheet-mid {
  background: linear-gradient(160deg,#e7f4ee,#cdece0);
  transform: rotate(4deg) translate(40px, -2px);
  z-index: 2;
}
.stack3d .sheet-front {
  background: linear-gradient(155deg, var(--brand), var(--brand-strong));
  transform: rotate(-3deg);
  z-index: 3;
  padding: 26px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.stack3d .sheet-front .icon-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.stack3d .sheet-front .icon-grid .tile {
  background: #fff; border-radius: 14px; aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 20px rgba(10,20,30,0.18);
}
.stack3d .sheet-front .icon-grid img { width: 22px; height: 22px; object-fit: contain; }
.stack3d .sheet-front .front-label { color: rgba(255,255,255,0.92); font-weight: 700; font-size: 14px; }
@media (max-width: 860px) {
  .stack3d { height: 300px; }
  .stack3d .sheet-front .icon-grid { grid-template-columns: repeat(4,1fr); gap: 8px; }
}

/* fanned deck of individual channel-logo cards, cascading into DeepChatBI */
.fan { position: relative; height: 250px; width: 100%; }
@keyframes fcardFloat {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -9px; }
}
.fan .fcard {
  position: absolute; width: 68px; height: 68px; border-radius: 14px; background: #fff;
  border: 1px solid var(--border); box-shadow: 0 14px 26px rgba(15,23,32,0.12);
  display: flex; align-items: center; justify-content: center;
  animation: fcardFloat 5s ease-in-out infinite;
}
.fan .fcard img { width: 32px; height: 32px; object-fit: contain; }
.fan .fc-1 { left: 0px;   top: 84px; transform: rotate(-10deg); z-index: 1; animation-delay: 0s; }
.fan .fc-2 { left: 58px;  top: 44px; transform: rotate(-7deg);  z-index: 2; animation-delay: .3s; }
.fan .fc-3 { left: 116px; top: 14px; transform: rotate(-4deg);  z-index: 3; animation-delay: .6s; }
.fan .fc-4 { left: 174px; top: 0px;  transform: rotate(-1deg);  z-index: 4; animation-delay: .9s; }
.fan .fc-5 { left: 232px; top: 4px;  transform: rotate(2deg);   z-index: 4; animation-delay: 1.2s; }
.fan .fc-6 { left: 290px; top: 20px; transform: rotate(5deg);   z-index: 3; animation-delay: 1.5s; }
.fan .fc-7 { left: 348px; top: 50px; transform: rotate(8deg);   z-index: 2; animation-delay: 1.8s; }
.fan .fc-8 { left: 406px; top: 92px; transform: rotate(11deg);  z-index: 1; animation-delay: 2.1s; }
.fan .fc-result {
  left: 169px; top: 172px; width: 132px; height: 60px; border-radius: 16px; z-index: 5;
  background: #fff; border: 1px solid var(--border); padding: 8px 14px;
  box-shadow: 0 22px 40px rgba(63,102,133,0.22);
  animation: fcardFloat 5s ease-in-out infinite; animation-delay: .6s;
}
.fan .fc-result img { width: auto; height: auto; max-width: 104px; max-height: 24px; object-fit: contain; border-radius: 0; }
@media (max-width: 860px) {
  .fan { height: 260px; transform: scale(0.62); transform-origin: top left; }
}
@media (prefers-reduced-motion: reduce) {
  .fan .fcard { animation: none; }
}

.origin-card {
  display: flex; gap: 24px; align-items: center;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
}
.origin-card img { width: 84px; height: 84px; border-radius: 50%; object-fit: cover; flex: none; border: 1px solid var(--border); }
.origin-card p { color: var(--text-dim); font-size: 14px; margin: 0 0 10px; }
.origin-card .name { color: var(--text); font-weight: 700; font-size: 15px; }
.origin-card .role { color: var(--text-faint); font-size: 13px; margin-bottom: 10px; }

@media (max-width: 860px) {
  h1 { font-size: 38px; }
  .grid-3, .grid-4, .grid-2, .two-col { grid-template-columns: 1fr; }
  nav.links { display: none; }
  .cta-band { padding: 40px 24px; }
  .nav-cta-row { gap: 6px; }
  .nav-cta-row .nav-cta { padding: 8px 12px; font-size: 13px; }
}

/* ---------- scroll reveal (added by site.js, progressive enhancement) ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }