/* ==========================================================================
   OAM Technology Consulting — AI-era pages
   Layered on top of styles.css (tokens, header, footer, buttons, reveal)
   Components: reposition hero bits, problem framing, provides grid,
   service portfolio cards, value-chain layers, legacy credibility,
   reference-architecture blueprint, standards strip, about/team preview,
   no-form CTA band, breadcrumbs, service-detail template, FAQ.
   ========================================================================== */

/* ---- Shared section intro ---- */
.lead-narrow { max-width: 60ch; }
.eyebrow.eyebrow-ai .dot { background: var(--accent); }

/* ============================ Hero (reposition) ============================ */
.hero h1 .hl-plain { color: var(--accent-deep); font-style: normal; }
.hero-sub-cta {
  margin-top: 18px;
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--ink-3); letter-spacing: 0.02em;
}

/* Hero stack card — miniature of the reference architecture */
.stack-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-lg);
  position: relative;
  isolation: isolate;
}
.stack-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 38%, transparent), transparent 45%, color-mix(in srgb, var(--blue-500) 32%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.stack-card .card-head {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 0.72rem; margin-bottom: 14px;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3);
}
.stack-card .card-head .live { display: inline-flex; align-items: center; gap: 6px; color: var(--accent-deep); }
.stack-card .card-head .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: ringpulse 1.6s infinite; }
.stack-rows { display: grid; gap: 6px; }
.stack-row {
  display: grid; grid-template-columns: 26px 1fr auto; gap: 12px; align-items: center;
  padding: 11px 14px; border-radius: 9px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: 0.86rem;
}
.stack-row .lyr { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-3); }
.stack-row b { font-weight: 600; letter-spacing: -0.01em; }
.stack-row .tick { color: var(--accent-deep); font-family: var(--font-mono); font-size: 0.7rem; }
.stack-row.is-accent { border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: color-mix(in srgb, var(--accent) 7%, var(--bg)); }

/* ============================ Problem framing ============================ */
.section-problem { background: var(--bg-elev); border-block: 1px solid var(--line); }
.problem-grid {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(32px, 5vw, 72px); align-items: start;
}
@media (max-width: 880px) { .problem-grid { grid-template-columns: 1fr; } }
.problem-statement {
  font-size: clamp(1.5rem, 2.6vw, 2.15rem);
  line-height: 1.32; letter-spacing: -0.02em; color: var(--ink);
  text-wrap: balance;
}
.problem-statement strong { color: var(--accent-deep); font-weight: 600; }
.problem-aside {
  border-left: 2px solid var(--accent);
  padding-left: 22px;
  color: var(--ink-2); font-size: 1.02rem; line-height: 1.6;
}
.problem-aside p + p { margin-top: 14px; }

/* ============================ Provides grid ============================ */
.provides-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
}
@media (max-width: 900px) { .provides-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .provides-grid { grid-template-columns: 1fr; } }
.provide {
  background: var(--bg-elev); padding: 24px 24px 26px;
  display: grid; gap: 8px; align-content: start;
}
.provide .pv-icon { width: 26px; height: 26px; color: var(--accent-deep); }
.provide h3 { font-size: 1.05rem; letter-spacing: -0.015em; line-height: 1.25; }
.provide p { color: var(--ink-2); font-size: 0.92rem; }

/* ============================ Service portfolio cards ============================ */
.portfolio-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
}
@media (max-width: 980px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .portfolio-grid { grid-template-columns: 1fr; } }
.pcard {
  background: var(--bg-elev); padding: 30px 26px 26px;
  display: grid; grid-template-rows: auto auto 1fr auto; gap: 14px;
  position: relative; transition: background 0.2s ease;
}
.pcard::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--blue-500));
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease;
}
.pcard:hover { background: color-mix(in srgb, var(--accent) 5%, var(--bg-elev)); }
.pcard:hover::after { transform: scaleX(1); }
.pcard .pc-num { font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-3); letter-spacing: 0.08em; }
.pcard h3 { font-size: 1.18rem; letter-spacing: -0.02em; line-height: 1.25; }
.pcard p { color: var(--ink-2); font-size: 0.93rem; }
.pcard .pc-go {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--accent-deep); font-weight: 500;
}
.pcard .pc-go span { transition: transform 0.2s ease; }
.pcard:hover .pc-go span { transform: translateX(4px); }

/* ============================ Value-chain layer cake ============================ */
.layer-cake {
  display: flex; flex-direction: column;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--bg-elev);
}
.cake-layer {
  position: relative;
  display: grid; grid-template-columns: 116px minmax(0, 1fr) auto;
  gap: clamp(20px, 3vw, 44px); align-items: center;
  padding: clamp(22px, 3vw, 32px) clamp(24px, 3.5vw, 44px);
  background: var(--lc-bg, var(--bg-elev));
  border-bottom: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.55);
  transition: transform 0.25s ease, background 0.25s ease;
}
.cake-layer:last-child { border-bottom: 0; }
/* left accent rail */
.cake-layer::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--lc-accent);
}
.cake-layer:hover { transform: translateX(4px); background: color-mix(in srgb, var(--lc-accent) 9%, var(--bg-elev)); }

.cake-id { display: flex; flex-direction: column; gap: 2px; }
.cake-id .cake-n {
  font-family: var(--font-mono); font-weight: 700;
  font-size: clamp(1.6rem, 2.4vw, 2.2rem); line-height: 1;
  color: var(--lc-accent); letter-spacing: -0.03em;
}
.cake-id .cake-lbl {
  font-family: var(--font-mono); font-size: 0.66rem;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-3);
}
.cake-main { min-width: 0; }
.cake-main h3 { font-size: clamp(1.1rem, 1.7vw, 1.35rem); letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 4px; color: var(--ink); }
.cake-main p { color: var(--ink-2); font-size: 0.92rem; line-height: 1.45; max-width: 62ch; }
.cake-layer .lc-tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; max-width: 240px; }
.cake-layer .lc-tags li { font-family: var(--font-mono); font-size: 0.68rem; padding: 3px 10px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line-strong); color: var(--ink-2); white-space: nowrap; }
.cake-foundation { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 12px; background: var(--bg-deep); color: #8aa0c0; font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.16em; }
.cake-foundation::before, .cake-foundation::after { content: ""; height: 1px; width: 40px; background: rgba(255,255,255,0.18); }
@media (max-width: 720px) {
  .cake-layer { grid-template-columns: 1fr; gap: 12px; }
  .cake-id { flex-direction: row; align-items: baseline; gap: 10px; }
  .cake-layer .lc-tags { justify-content: flex-start; max-width: none; }
}

/* ============================ Value-chain layers (grid, interior pages) ============================ */
.layers-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 760px) { .layers-grid { grid-template-columns: 1fr; } }
.layer-card {
  position: relative; isolation: isolate; overflow: hidden;
  padding: 28px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  display: grid; gap: 10px; align-content: start;
  transition: transform 0.25s ease, border-color 0.25s, box-shadow 0.25s;
}
.layer-card::before {
  content: attr(data-layer);
  position: absolute; top: 18px; right: 22px;
  font-family: var(--font-mono); font-size: 2.6rem; font-weight: 700;
  color: color-mix(in srgb, var(--blue-500) 14%, transparent);
  letter-spacing: -0.04em; z-index: -1;
}
.layer-card:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: var(--shadow-md); }
.layer-card .lc-kicker { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-deep); text-transform: uppercase; letter-spacing: 0.1em; }
.layer-card h3 { font-size: 1.3rem; letter-spacing: -0.02em; }
.layer-card p { color: var(--ink-2); font-size: 0.95rem; }
.layer-card .lc-tags { list-style: none; padding: 0; margin: 4px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.layer-card .lc-tags li { font-family: var(--font-mono); font-size: 0.68rem; padding: 3px 9px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); color: var(--ink-2); }

/* ============================ Legacy credibility ============================ */
.section-legacy { background: var(--bg-deep); color: #e5edf8; }
.section-legacy h2 { color: #fff; }
.section-legacy .kicker { color: var(--accent); }
.legacy-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 880px) { .legacy-grid { grid-template-columns: 1fr; } }
.legacy-copy h2 { font-size: clamp(2rem, 3.2vw, 2.9rem); letter-spacing: -0.03em; margin: 14px 0 18px; text-wrap: balance; }
.legacy-copy > p { color: #a9b8d0; font-size: 1.08rem; line-height: 1.6; max-width: 52ch; }
.legacy-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 1px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); overflow: hidden; }
.legacy-points li { background: rgba(255,255,255,0.02); padding: 20px 22px; display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; }
.legacy-points .lp-num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); padding-top: 2px; }
.legacy-points b { display: block; color: #fff; font-weight: 600; font-size: 1rem; margin-bottom: 3px; letter-spacing: -0.01em; }
.legacy-points p { color: #9fb0ca; font-size: 0.92rem; line-height: 1.5; }

/* ============================ About — Information/Interfaces/Processes cycle ============================ */
.founded-grid { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 860px) { .founded-grid { grid-template-columns: 1fr; justify-items: start; } }
.iip-figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.iip-figure .iip-art { position: relative; width: 270px; height: 270px; display: grid; place-items: center; isolation: isolate; }
.iip-figure .iip-art::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: 50%; background: radial-gradient(circle at 50% 46%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 68%); }
.iip-figure .iip-art::after { content: ""; position: absolute; inset: 14px; z-index: -1; border-radius: 50%; border: 1px dashed var(--line-strong); }
.iip-figure img { width: 240px; height: auto; }
.iip-figure figcaption { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--ink-3); }
.iip-figure figcaption b { color: var(--accent-deep); font-weight: 500; }
.founded-copy { display: grid; gap: 22px; }
.founded-copy .problem-aside { border-left: 2px solid var(--accent); padding-left: 22px; }

/* About — AI agentic stack diagram */
.diagram-figure { margin: 0; }
.diagram-frame {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: #ffffff;
  padding: clamp(14px, 2.5vw, 28px);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.diagram-frame img { width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
.diagram-frame .diagram-corner { position: absolute; width: 12px; height: 12px; border: 2px solid var(--accent); }
.diagram-frame .diagram-corner.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.diagram-frame .diagram-corner.tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.diagram-frame .diagram-corner.bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.diagram-frame .diagram-corner.br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }
.diagram-figure figcaption { margin-top: 16px; font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-3); text-align: center; letter-spacing: 0.04em; }

/* ============================ Reference architecture blueprint ============================ */
.refarch { position: relative; isolation: isolate; }
.refarch-frame {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(rgba(11,29,51,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,29,51,0.035) 1px, transparent 1px),
    var(--bg-elev);
  background-size: 32px 32px, 32px 32px, auto;
  padding: clamp(20px, 3vw, 36px);
  overflow: hidden;
}
.refarch-corner { position: absolute; width: 12px; height: 12px; border: 2px solid var(--accent); }
.refarch-corner.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.refarch-corner.tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.refarch-corner.bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.refarch-corner.br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }
.refarch-stack { display: grid; gap: 10px; position: relative; }
.rl {
  display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 18px;
  padding: 16px 20px; border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--line);
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.rl:hover { border-color: color-mix(in srgb, var(--accent) 45%, transparent); transform: translateX(3px); }
.rl .rl-n { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-3); text-align: center; }
.rl .rl-main b { display: block; font-size: 1.02rem; font-weight: 600; letter-spacing: -0.015em; }
.rl .rl-main span { font-size: 0.86rem; color: var(--ink-2); }
.rl .rl-tag { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); white-space: nowrap; }
/* tone the layers from outcome (top) to control (bottom) */
.rl.t-outcome { border-left: 3px solid var(--accent); }
.rl.t-usecase { border-left: 3px solid color-mix(in srgb, var(--accent) 70%, var(--blue-500)); }
.rl.t-agent  { border-left: 3px solid color-mix(in srgb, var(--accent) 45%, var(--blue-500)); }
.rl.t-data   { border-left: 3px solid color-mix(in srgb, var(--accent) 25%, var(--blue-500)); }
.rl.t-api    { border-left: 3px solid var(--blue-500); }
.rl.t-oss    { border-left: 3px solid color-mix(in srgb, var(--blue-500) 70%, var(--navy-900)); }
.rl.t-gov    { border-left: 3px solid var(--slate-500); }
.refarch-flow { position: absolute; left: -2px; top: 12px; bottom: 12px; width: 2px; display: none; }
.refarch-legend {
  display: flex; flex-wrap: wrap; gap: 18px; margin-top: 20px;
  font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-3);
}
.refarch-legend span { display: inline-flex; align-items: center; gap: 7px; }
.refarch-legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* ============================ Standards & frameworks strip ============================ */
.standards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 820px) { .standards-grid { grid-template-columns: 1fr; } }
.std-group {
  padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-elev);
}
.std-group h3 { font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-3); font-weight: 500; margin-bottom: 14px; }
.std-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.std-chips span {
  font-family: var(--font-mono); font-size: 0.78rem;
  padding: 6px 12px; border-radius: 999px;
  background: var(--bg); border: 1px solid var(--line-strong); color: var(--ink-2);
}

/* ============================ About / Team preview ============================ */
.trust-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 20px; }
@media (max-width: 820px) { .trust-grid { grid-template-columns: 1fr; } }
.trust-card {
  padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--bg-elev); display: grid; gap: 14px; align-content: start;
  transition: box-shadow 0.25s, border-color 0.25s, transform 0.25s;
}
.trust-card:hover { box-shadow: var(--shadow-md); border-color: var(--line-strong); transform: translateY(-2px); }
.trust-card .tc-kicker { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent-deep); }
.trust-card h3 { font-size: 1.5rem; letter-spacing: -0.025em; }
.trust-card p { color: var(--ink-2); font-size: 0.98rem; line-height: 1.55; }
.trust-card .link-arrow { margin-top: 4px; }

/* ============================ No-form CTA band ============================ */
.cta-band { background: var(--bg-deep); color: #e5edf8; }
.cta-inner {
  display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px); align-items: center;
}
@media (max-width: 880px) { .cta-inner { grid-template-columns: 1fr; } }
.cta-inner h2 { color: #fff; font-size: clamp(1.9rem, 3vw, 2.7rem); letter-spacing: -0.025em; text-wrap: balance; margin-bottom: 16px; }
.cta-inner p { color: #a4b4cd; font-size: 1.06rem; line-height: 1.55; max-width: 50ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.cta-band .btn-ghost { color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25); background: transparent; }
.cta-band .btn-ghost:hover { box-shadow: inset 0 0 0 1px #fff; background: rgba(255,255,255,0.06); }
.cta-contacts {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); padding: 26px;
}
.cta-contacts .row { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px dashed rgba(255,255,255,0.1); font-family: var(--font-mono); font-size: 0.86rem; }
.cta-contacts .row:last-child { border-bottom: 0; padding-bottom: 0; }
.cta-contacts .row span:first-child { color: #6f86a8; text-transform: uppercase; font-size: 0.7rem; letter-spacing: 0.1em; padding-top: 3px; }
.cta-contacts .row a, .cta-contacts .row b { color: #fff; font-weight: 500; word-break: break-word; }
.cta-contacts .row a:hover { color: var(--accent); }

/* ============================ Breadcrumbs ============================ */
.breadcrumb { padding-top: 24px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-3); }
.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb li::after { content: "/"; color: var(--line-strong); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--ink-3); }
.breadcrumb a:hover { color: var(--accent-deep); }
.breadcrumb [aria-current] { color: var(--ink-2); }

/* ============================ Service detail template ============================ */
.svc-hero { position: relative; isolation: isolate; overflow: hidden; padding: clamp(40px, 6vw, 72px) 0 clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line); }
.svc-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(800px 420px at 82% -10%, rgba(25, 194, 194,0.10), transparent 60%),
    radial-gradient(640px 360px at 0% 110%, rgba(59,120,189,0.10), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-elev) 100%);
}
.svc-hero h1 { font-size: clamp(2.1rem, 4vw, 3.3rem); letter-spacing: -0.03em; text-wrap: balance; max-width: 20ch; margin-top: 14px; }
.svc-hero .svc-lede { margin-top: 20px; max-width: 60ch; font-size: clamp(1.1rem, 1.5vw, 1.28rem); line-height: 1.55; color: var(--ink-2); text-wrap: pretty; }
.svc-hero .hero-cta { margin-top: 28px; }

.svc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(36px, 5vw, 72px); align-items: start; }
@media (max-width: 1000px) { .svc-layout { grid-template-columns: 1fr; } }
.svc-main { min-width: 0; display: grid; gap: clamp(40px, 5vw, 60px); }
.svc-block h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); letter-spacing: -0.025em; margin-bottom: 16px; }
.svc-block > p { color: var(--ink-2); font-size: 1.04rem; line-height: 1.62; max-width: 64ch; }
.svc-block > p + p { margin-top: 14px; }

.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checklist li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; color: var(--ink-2); font-size: 1rem; line-height: 1.5; }
.checklist li::before { content: ""; width: 18px; height: 18px; margin-top: 3px; border-radius: 5px; background: color-mix(in srgb, var(--accent) 16%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23228282' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; background-size: 12px; }
.checklist.two { grid-template-columns: 1fr 1fr; gap: 12px 28px; }
@media (max-width: 620px) { .checklist.two { grid-template-columns: 1fr; } }

.pattern-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (max-width: 620px) { .pattern-grid { grid-template-columns: 1fr; } }
.pattern { background: var(--bg-elev); padding: 18px 20px; display: grid; gap: 4px; }
.pattern .pt-n { font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent-deep); letter-spacing: 0.08em; }
.pattern b { font-size: 0.98rem; font-weight: 600; letter-spacing: -0.01em; }

.usecase-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 620px) { .usecase-list { grid-template-columns: 1fr; } }
.usecase-list li { padding: 14px 18px; background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: 0.95rem; color: var(--ink-2); display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: baseline; }
.usecase-list li::before { content: "→"; color: var(--accent-deep); font-family: var(--font-mono); }

.legacy-note { padding: 22px 24px; border: 1px dashed var(--line-strong); border-radius: var(--radius); background: color-mix(in srgb, var(--accent) 4%, var(--bg-elev)); }
.legacy-note .ln-kicker { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent-deep); margin-bottom: 8px; }
.legacy-note p { color: var(--ink-2); font-size: 0.98rem; line-height: 1.55; margin: 0; }

.deliverables { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.deliverables li { display: grid; grid-template-columns: 28px 1fr; gap: 14px; align-items: baseline; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 1rem; }
.deliverables li:last-child { border-bottom: 0; }
.deliverables .dl-n { font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-3); }

/* Service sidebar */
.svc-aside { position: sticky; top: 96px; display: grid; gap: 20px; }
@media (max-width: 1000px) { .svc-aside { position: static; } }
.aside-panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); padding: 22px; }
.aside-panel h3 { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-3); font-weight: 500; margin-bottom: 14px; }
.aside-panel .std-chips span { font-size: 0.74rem; }
.related-links { display: grid; gap: 2px; }
.related-links a { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 0.92rem; font-weight: 500; color: var(--ink); transition: color 0.15s; }
.related-links a:last-child { border-bottom: 0; }
.related-links a:hover { color: var(--accent-deep); }
.related-links a span { color: var(--accent-deep); }
.aside-cta { background: var(--bg-deep); color: #e5edf8; border: 0; }
.aside-cta h3 { color: var(--accent); }
.aside-cta p { color: #a4b4cd; font-size: 0.92rem; line-height: 1.5; margin-bottom: 16px; }
.aside-cta .btn { width: 100%; justify-content: center; }

/* ============================ FAQ ============================ */
.faq-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-item { background: var(--bg-elev); }
.faq-item summary { cursor: pointer; list-style: none; padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-weight: 600; font-size: 1.02rem; letter-spacing: -0.01em; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--font-mono); font-size: 1.3rem; color: var(--accent-deep); transition: transform 0.2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 24px 22px; color: var(--ink-2); font-size: 0.98rem; line-height: 1.6; max-width: 70ch; }

/* ============================ Generic page hero (about, contact, etc.) ============================ */
.page-hero { position: relative; isolation: isolate; overflow: hidden; padding: clamp(48px, 7vw, 88px) 0 clamp(36px, 5vw, 56px); border-bottom: 1px solid var(--line); }
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(820px 440px at 80% -10%, rgba(25, 194, 194,0.09), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-elev) 100%);
}
.page-hero h1 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); letter-spacing: -0.03em; text-wrap: balance; max-width: 22ch; margin-top: 14px; }
.page-hero .page-lede { margin-top: 20px; max-width: 62ch; font-size: clamp(1.08rem, 1.5vw, 1.28rem); line-height: 1.55; color: var(--ink-2); }