/* ─── RESET & CUSTOM PROPERTIES ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --paper: #ffffff;
  --paper-2: #f5f6f8;
  --ink: #1d1d1f;
  --ink-2: #3a3a3c;
  --muted: #6e6e73;
  --line: #e6e6ea;
  --accent: #0052ff;
  --accent-2: #0041cc;
  --accent-soft: #e8eeff;
  --warn: #f5a623;
  --danger: #ff3b30;
  --green: #34c759;
  --header: 72px;
  --max: 1180px;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(16,24,40,.08);
}

/* ─── BASE ─── */
html { scroll-behavior: auto; font-size: 16px; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(0,82,255,.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,82,255,.025) 1px, transparent 1px);
  background-size: 72px 72px;
}
img, video, svg { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ─── ACCESSIBILITY ─── */
.skip {
  position: absolute; top: -60px; left: 1rem;
  background: var(--accent); color: #fff; padding: .5rem 1rem;
  border-radius: 6px; z-index: 999;
  transition: top .2s;
}
.skip:focus { top: 1rem; }

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.18; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); }
.h-display { font-size: clamp(2rem, 3.8vw, 3rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }
p { color: var(--ink-2); }
.eyebrow {
  display: inline-block;
  font-size: .78rem; font-weight: 600; letter-spacing: .13em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 1rem;
}
.lead { font-size: 1.18rem; color: var(--ink-2); max-width: 600px; margin-top: 1rem; }
.lead-note { font-size: 1rem; color: var(--ink); font-weight: 600; margin-top: .75rem; }
.section-lead {
  font-size: 1.1rem; color: var(--muted); max-width: 680px; margin-top: 1.25rem; margin-bottom: 2rem;
}
.lead-center { margin-left: auto; margin-right: auto; text-align: center; }
.h-center { text-align: center; }

/* ─── LAYOUT ─── */
.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
  position: relative; z-index: 1;
}
.section { padding: 96px 0; }
.section-soft { background: var(--paper-2); }

/* ─── PATH DECO ─── */
.path-deco {
  position: absolute; top: 0; left: 0; right: 0;
  width: 100%; pointer-events: none;
  z-index: 0; overflow: visible;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  border-radius: 100px; font-weight: 600; font-size: .95rem;
  padding: .65rem 1.4rem; transition: all .18s ease;
  cursor: pointer; border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #fff;
}
.btn-primary:hover { background: var(--accent-2); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,82,255,.25); }
.btn-ghost {
  background: transparent; color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--line);
}
.btn-ghost:hover { background: var(--paper-2); box-shadow: inset 0 0 0 1.5px var(--ink); transform: translateY(-1px); }
.btn-lg { padding: .85rem 2rem; font-size: 1rem; }
.btn-sm { padding: .42rem 1rem; font-size: .82rem; }
.btn-block { width: 100%; justify-content: center; }
.link-btn {
  font-size: .9rem; font-weight: 500; color: var(--ink-2);
  padding: .4rem .6rem; border-radius: 8px;
  transition: color .15s;
}
.link-btn:hover { color: var(--accent); }

/* ─── HEADER ─── */
.header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s;
}
.header.is-scrolled { box-shadow: var(--shadow); }
.header-inner {
  display: flex; align-items: center; gap: 1.5rem;
  height: 100%;
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}
.logo {
  font-size: 1.15rem; font-weight: 700; letter-spacing: .08em;
  user-select: none; flex-shrink: 0;
}
.logo-open { color: var(--ink); }
.logo-brain { color: var(--accent); }
.nav {
  display: flex; align-items: center; gap: .25rem;
  margin-left: auto;
}
.nav a {
  font-size: .88rem; font-weight: 500; color: var(--ink-2);
  padding: .4rem .7rem; border-radius: 8px;
  transition: color .15s, background .15s;
  white-space: nowrap;
}
.nav a:hover { color: var(--accent); background: var(--accent-soft); }
.nav a.active { color: var(--accent); }
.nav-mobile-actions { display: none; }
.header-actions { display: flex; align-items: center; gap: .75rem; margin-left: auto; }
.nav ~ .header-actions { margin-left: .5rem; }
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: .2rem;
  padding: .2rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: var(--paper);
}
.lang-switch a {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--muted);
  padding: .28rem .65rem;
  border-radius: 100px;
  transition: background .15s, color .15s;
}
.lang-switch a:hover { color: var(--accent); }
.lang-switch a.is-current {
  background: var(--accent-soft);
  color: var(--accent);
}
.lang-switch-desktop { flex-shrink: 0; }
.header-inner { gap: 1rem; }
.nav { gap: .1rem; }
.header-actions { gap: .5rem; }
.menu-btn {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; width: 36px; height: 36px; border-radius: 8px;
  background: var(--paper-2); padding: 8px 7px;
  transition: background .15s;
}
.menu-btn span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }

/* ─── HERO ─── */
.hero { padding: 100px 0 80px; position: relative; overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
.hero-copy { display: flex; flex-direction: column; align-items: flex-start; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }

/* Marquee */
.platforms-wrap { margin-top: 1.5rem; }
.platforms-label { font-size: .8rem; color: var(--muted); margin-bottom: .5rem; }
.platforms-marquee {
  overflow: hidden;
}
.marquee-track {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  width: 100%;
}
.marquee-group {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}
.marquee-track span {
  font-size: .8rem; font-weight: 500; color: var(--muted);
  background: var(--paper-2); border: 1px solid var(--line);
  padding: .3rem .9rem; border-radius: 100px;
  white-space: nowrap;
}

/* ─── UI MOCKUP ─── */
.ui {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  overflow: hidden;
  font-size: .88rem;
  transition: box-shadow .2s;
}
.ui:hover { box-shadow: 0 28px 70px rgba(16,24,40,.12); }
.ui-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: .65rem 1rem;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  font-size: .78rem; color: var(--muted); gap: .5rem;
}
.ui-bar-left { display: flex; align-items: center; gap: .4rem; }
.ui-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); flex-shrink: 0;
}
.ui-live-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); animation: pulse 2s infinite; flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}
.ui-sep { opacity: .3; }
.ui-strong { font-weight: 700; color: var(--ink); }
.ui-bar-right { display: flex; align-items: center; gap: .35rem; }
.ui-body { padding: 1.25rem; }
.ui-kicker { display: flex; align-items: center; gap: .6rem; margin-bottom: .5rem; font-size: .78rem; color: var(--muted); }
.ui-title { font-size: .98rem; font-weight: 600; line-height: 1.35; margin-bottom: .4rem; color: var(--ink); }
.ui-meta { font-size: .78rem; color: var(--muted); margin-bottom: 1rem; }
.ui-footer-row {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; margin-top: 1rem;
  border-top: 1px solid var(--line);
  gap: .5rem; flex-wrap: wrap;
}
.status-label { font-size: .78rem; color: var(--muted); }
.status-label b { color: var(--ink); }

/* ─── CHIPS ─── */
.chip {
  display: inline-flex; align-items: center;
  padding: .2rem .7rem; border-radius: 100px;
  font-size: .72rem; font-weight: 600;
}
.chip-ready { background: #e6f9ee; color: #1a7f3c; }
.chip-block { background: #ffeeed; color: var(--danger); }

/* ─── MATCH RING ─── */
.match-block { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1rem; }
.match-ring {
  --size: 72px;
  width: var(--size); height: var(--size);
  border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--p) * 1%), var(--line) 0);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  font-size: .72rem; flex-shrink: 0;
  position: relative;
}
.match-ring::after {
  content: "";
  position: absolute; inset: 7px;
  background: var(--paper); border-radius: 50%;
}
.match-ring strong, .match-ring span {
  position: relative; z-index: 1; line-height: 1.1;
}
.match-ring strong { font-size: .92rem; color: var(--ink); }
.match-ring span { font-size: .6rem; color: var(--muted); }

/* ─── CHECK LIST ─── */
.check-list { display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.check-list li { font-size: .8rem; padding-left: 1.25rem; position: relative; color: var(--ink-2); }
.check-list li::before { position: absolute; left: 0; }
.check-list li.ok::before { content: "✓"; color: var(--green); font-weight: 700; }
.check-list li.warn::before { content: "⚠"; color: var(--warn); }
.check-list li.bad::before { content: "×"; color: var(--danger); font-weight: 700; }

/* ─── SOCIAL PROOF ─── */
.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.8fr 1.8fr;
  gap: 1.5rem; margin-top: 3rem;
}
.proof-stat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  display: flex; flex-direction: column; gap: .4rem;
}
.proof-stat b {
  font-size: 2.5rem; font-weight: 700; color: var(--accent); line-height: 1;
}
.proof-stat span { font-size: .9rem; color: var(--muted); }
.proof-note {
  margin-top: 2.5rem;
  font-size: .95rem; color: var(--muted);
  max-width: 760px;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

/* ─── PROBLEM ─── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem; margin-top: 3rem;
}

/* ─── CARDS ─── */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  transition: box-shadow .2s, transform .2s;
}
.section-soft .card { background: var(--paper); }
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card h3 { margin-bottom: .6rem; font-size: 1.1rem; }
.card h4 { margin-bottom: .5rem; }
.card p { font-size: .92rem; color: var(--muted); }
.card-sm { padding: 1.5rem; }
.num {
  display: inline-block;
  font-size: .7rem; font-weight: 700; letter-spacing: .1em;
  color: var(--accent); background: var(--accent-soft);
  padding: .2rem .6rem; border-radius: 100px;
  margin-bottom: 1rem;
}

/* ─── FLOW (step 4) ─── */
.flow-box {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 3rem;
  position: relative; overflow: hidden;
}
.flow-box::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(0,82,255,.06) 0%, transparent 70%);
  pointer-events: none;
}
.flow {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 0; margin: 2.5rem 0 1.5rem;
  position: relative;
}
.flow li {
  display: flex; align-items: center; gap: .4rem;
  font-size: .85rem; font-weight: 500; color: var(--muted);
  padding: .45rem .9rem;
  border: 1px solid var(--line); border-radius: 100px;
  background: var(--paper);
  margin: .3rem;
  transition: all .25s;
}
.flow li span {
  font-size: .7rem; color: var(--accent);
  font-weight: 700; background: var(--accent-soft);
  padding: .1rem .45rem; border-radius: 100px;
}
.flow li.is-now {
  border-color: var(--accent); background: var(--accent-soft); color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,82,255,.1);
}
.flow-caption {
  text-align: center; font-size: .85rem; color: var(--muted);
  font-weight: 500;
}

/* ─── STEP (product section) ─── */
.step {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: center;
  margin-top: 5rem;
}
.step:first-of-type { margin-top: 3rem; }
.step-reverse { direction: rtl; }
.step-reverse > * { direction: ltr; }
.step-index {
  font-size: .7rem; font-weight: 700; letter-spacing: .1em;
  color: var(--accent); text-transform: uppercase;
  margin-bottom: .75rem;
}
.step-copy h3 { font-size: 1.6rem; margin-bottom: .75rem; }
.step-copy p { margin-bottom: .75rem; }
.chain { font-size: .85rem; color: var(--ink); }

/* Feed UI */
.feed { display: flex; flex-direction: column; gap: 0; }
.feed-item {
  display: flex; align-items: center; gap: .8rem;
  padding: .9rem 1.25rem;
  border-bottom: 1px solid var(--line);
  text-align: left; width: 100%;
  transition: background .15s;
}
.feed-item:last-child { border-bottom: none; }
.feed-item:hover { background: var(--paper-2); }
.feed-item.is-active { background: var(--accent-soft); }
.feed-item.is-low { opacity: .6; }
.rel {
  min-width: 44px; text-align: center;
  font-size: .78rem; font-weight: 700;
  padding: .25rem .5rem; border-radius: 100px;
  flex-shrink: 0;
}
.rel-high { background: #e6f9ee; color: #1a7f3c; }
.rel-mid { background: #fff7e0; color: #936200; }
.rel-low { background: #ffeeed; color: var(--danger); }
.feed-body { flex: 1; display: flex; flex-direction: column; gap: .1rem; }
.feed-body b { font-size: .82rem; font-weight: 600; color: var(--ink); }
.feed-body i { font-style: normal; font-size: .72rem; color: var(--muted); }
.rel-label { font-size: .68rem; color: var(--muted); text-align: right; white-space: nowrap; }

/* GnG analysis UI */
.gng { padding: 1.25rem; }
.gng-q {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 1rem; margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.gng-q span { font-size: .82rem; color: var(--muted); }
.gng-q .yes { font-size: 1.4rem; font-weight: 700; color: var(--green); }
.gng-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.gng-grid > div span { font-size: .72rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; display: block; margin-bottom: .3rem; }
.gng-grid > div p { font-size: .82rem; color: var(--ink-2); }
.gng-span { grid-column: span 2; }

/* Docs UI */
.docs-ui { padding: 1.25rem; }
.docs-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .75rem; font-size: .82rem; color: var(--muted); }
.docs-head b { color: var(--ink); font-size: 1rem; }
.bar { height: 6px; background: var(--line); border-radius: 3px; margin-bottom: 1rem; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 3px; }

/* ─── TRIO (3-column cards) ─── */
.trio {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem; margin-top: 5rem;
}
.mini-status { margin-top: 1rem; display: flex; flex-direction: column; gap: .4rem; }
.mini-status small { font-size: .72rem; color: var(--muted); }
.principle { font-style: italic; font-size: .88rem; color: var(--muted); border-left: 2px solid var(--accent); padding-left: .75rem; margin-top: .75rem; }

/* ─── DOC SPLIT ─── */
.doc-split {
  display: grid; grid-template-columns: 1fr 1fr;
  margin-top: 3rem; gap: 0;
  border-radius: var(--radius);
}
.pdf-pane { border-right: 1px solid var(--line); }
.pdf-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: .6rem 1rem; background: var(--paper-2);
  font-size: .72rem; color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.pdf-page { padding: 1.25rem; }
.pdf-h { font-size: .8rem; font-weight: 700; color: var(--ink); margin-bottom: .75rem; }
.pdf-page p { font-size: .8rem; line-height: 1.6; color: var(--ink-2); margin-bottom: .6rem; }
.pdf-line { border-radius: 3px; transition: background .2s; padding: 2px 0; }
.pdf-line.is-on { background: rgba(245,166,35,.2); }
.ai-pane { display: flex; flex-direction: column; }
.ai-kicker {
  padding: .6rem 1rem;
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; color: var(--accent);
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}
.req-tabs {
  display: flex; padding: .6rem .75rem; gap: .5rem;
  border-bottom: 1px solid var(--line);
}
.req-tabs button {
  font-size: .78rem; font-weight: 600; padding: .3rem .8rem;
  border-radius: 100px; color: var(--muted);
  transition: all .15s;
}
.req-tabs button.is-on {
  background: var(--accent); color: #fff;
}
.req-dl { display: grid; grid-template-columns: auto 1fr; gap: .6rem 1rem; padding: 1.25rem; align-items: start; }
.req-dl dt { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); white-space: nowrap; padding-top: 1px; }
.req-dl dd { font-size: .82rem; color: var(--ink-2); }
.ok-inline { color: var(--green); font-weight: 600; }
.doc-footer-note {
  margin-top: 2rem; text-align: center;
  font-size: .92rem; color: var(--muted); font-style: italic;
}

/* ─── COMPARE ─── */
.compare {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.25rem; margin-top: 2.5rem; margin-bottom: 2.5rem;
}
blockquote {
  padding: 1.75rem; border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper-2);
}
blockquote.compare-ob {
  background: var(--accent-soft); border-color: rgba(0,82,255,.2);
}
.compare-label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: .5rem; }
blockquote.compare-ob .compare-label { color: var(--accent); }
blockquote p:last-child { font-size: 1.05rem; color: var(--ink); font-weight: 500; }
.knowledge-chain {
  font-size: .88rem; font-weight: 600; color: var(--accent);
  padding: .75rem 1.25rem; background: var(--accent-soft);
  border-radius: 100px; display: inline-block; margin-bottom: 2.5rem;
}
.fit-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

/* ─── BEFORE/AFTER ─── */
.ba-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2rem; margin-top: 3rem;
}
.ba-col {
  padding: 2.5rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--paper);
}
.ba-col h3 { font-size: 1.1rem; margin-bottom: 1.5rem; }
.ba-col ol { counter-reset: ba; display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.5rem; }
.ba-col ol li {
  counter-increment: ba; font-size: .92rem; color: var(--ink-2);
  padding-left: 1.5rem; position: relative;
}
.ba-col ol li::before {
  content: counter(ba);
  position: absolute; left: 0;
  font-size: .68rem; font-weight: 700;
  color: var(--muted); top: 3px;
}
.ba-col p { font-size: .88rem; color: var(--muted); font-style: italic; }
.ba-before { background: var(--paper-2); }
.ba-after { background: var(--accent-soft); border-color: rgba(0,82,255,.2); }
.ba-after h3 { color: var(--accent); }

/* ─── WHO ─── */
.who-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.25rem; margin-top: 3rem; max-width: 560px;
}
.who-stat-card {
  padding: 1.75rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--paper);
  display: flex; flex-direction: column; gap: .35rem;
}
.section-soft .who-stat-card { background: var(--paper); }
.who-stat-card b { font-size: 2rem; font-weight: 700; color: var(--accent); }
.who-stat-card span { font-size: .88rem; color: var(--muted); }
.who-list {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.25rem; margin-top: 2rem;
}
.who-list article {
  display: flex; gap: 1rem;
  padding: 1.5rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--paper);
  transition: box-shadow .2s, transform .2s;
}
.who-list article:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.who-list article span { color: var(--accent); font-size: 1.3rem; font-weight: 700; flex-shrink: 0; }
.who-list h3 { font-size: 1rem; margin-bottom: .35rem; }
.who-list p { font-size: .88rem; color: var(--muted); }
.not-for {
  margin-top: 2.5rem; padding: 2rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--paper-2);
}
.not-for h3 { font-size: 1rem; margin-bottom: 1rem; color: var(--muted); }
.not-for ul { display: flex; flex-direction: column; gap: .4rem; }
.not-for ul li { font-size: .9rem; color: var(--muted); padding-left: 1.2rem; position: relative; }
.not-for ul li::before { content: "—"; position: absolute; left: 0; color: var(--muted); }

/* ─── TIER-2 ─── */
.tier-box {
  max-width: 760px; margin-inline: auto;
  background: var(--paper); padding: 3rem;
  border-radius: var(--radius); border: 1px solid var(--line);
}
.tier-box h2 { font-size: 1.9rem; margin-bottom: 1.25rem; }
.tier-box p { margin-bottom: .75rem; }
.tier-accent { font-weight: 600; color: var(--ink); font-style: italic; }

/* ─── DASHBOARD ─── */
.dash {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem; margin-top: 3rem;
}
.dash-stat {
  padding: 1.5rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--paper);
  display: flex; flex-direction: column; gap: .25rem;
  transition: box-shadow .2s;
}
.dash-stat:hover { box-shadow: var(--shadow); }
.dash-stat b { font-size: 2.2rem; font-weight: 700; color: var(--accent); line-height: 1; }
.dash-stat span { font-size: .82rem; color: var(--muted); }
.dash-extra {
  display: flex; flex-wrap: wrap; gap: .6rem;
  margin-top: 1.5rem;
}
.dash-extra li {
  font-size: .82rem; color: var(--muted);
  background: var(--paper-2); border: 1px solid var(--line);
  padding: .3rem .9rem; border-radius: 100px;
}
.analytics-block {
  margin-top: 4rem; padding-top: 3rem;
  border-top: 1px solid var(--line);
}
.analytics-block h3 { font-size: 1.5rem; margin-bottom: 1.75rem; max-width: 600px; }
.analytics-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.analytics-q {
  padding: 1.25rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--paper-2);
  font-size: .9rem; color: var(--ink-2); font-weight: 500;
}
.pull {
  margin-top: 2rem;
  font-size: 1.1rem; font-weight: 600; color: var(--ink);
  padding-left: 1.25rem; border-left: 3px solid var(--accent);
}

/* ─── SECURITY ─── */
.sec-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem; margin-top: 3rem;
}

/* ─── IMPL/PILOT ─── */
.pilot {
  max-width: 760px; margin-inline: auto;
}
.impl {
  display: flex; flex-direction: column; gap: 0;
  margin: 2.5rem 0; counter-reset: impl;
}
.impl li {
  counter-increment: impl;
  padding: 1.5rem 1.5rem 1.5rem 3.5rem;
  border-left: 2px solid var(--line);
  margin-left: 1.25rem;
  position: relative;
  transition: border-color .2s;
}
.impl li::before {
  content: counter(impl, decimal-leading-zero);
  position: absolute; left: -1.1rem; top: 1.5rem;
  width: 2rem; height: 2rem; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 700; color: var(--accent);
  z-index: 1;
  transition: border-color .2s, background .2s;
}
.impl li:hover::before { background: var(--accent); border-color: var(--accent); color: #fff; }
.impl li:hover { border-color: var(--accent); }
.impl li h3 { font-size: 1rem; margin-bottom: .3rem; }
.impl li p { font-size: .88rem; color: var(--muted); }
.pilot-cta { display: flex; flex-direction: column; align-items: flex-start; gap: .75rem; margin-top: 2rem; }
.pilot-note { font-size: .88rem; color: var(--muted); }

/* ─── FAQ ─── */
.faq { display: flex; flex-direction: column; gap: .75rem; margin-top: 3rem; max-width: 760px; }
details {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper); overflow: hidden;
  transition: box-shadow .2s;
}
details[open] { box-shadow: var(--shadow); }
summary {
  padding: 1.25rem 1.5rem;
  font-size: 1rem; font-weight: 600;
  cursor: pointer; user-select: none;
  display: flex; align-items: center; justify-content: space-between;
  list-style: none;
  transition: background .15s;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+"; font-size: 1.2rem; font-weight: 400;
  color: var(--muted); transition: transform .2s;
  flex-shrink: 0; margin-left: 1rem;
}
details[open] summary::after { transform: rotate(45deg); }
summary:hover { background: var(--paper-2); }
details p {
  padding: 0 1.5rem 1.25rem;
  font-size: .92rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 1rem;
}

/* ─── FINAL CTA ─── */
.section-final {
  background: var(--ink);
  color: var(--paper);
}
.section-final .h-display { color: var(--paper); }
.section-final .section-lead { color: rgba(255,255,255,.65); }
.section-final .lead-note { color: rgba(255,255,255,.55); }
.final-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: start;
  padding: 96px 0;
}

/* ─── FORM ─── */
.form {
  display: flex; flex-direction: column; gap: 1rem;
}
.form label {
  display: flex; flex-direction: column; gap: .35rem;
  font-size: .82rem; font-weight: 600; color: rgba(255,255,255,.7);
}
.form input {
  padding: .75rem 1rem;
  border: 1.5px solid rgba(255,255,255,.15);
  border-radius: 12px;
  background: rgba(255,255,255,.07);
  color: var(--paper);
  font-size: .95rem; font-family: var(--sans);
  transition: border-color .15s;
  outline: none;
}
.form input:focus { border-color: var(--accent); }
.form input::placeholder { color: rgba(255,255,255,.25); }
.form-kicker {
  font-size: 1.1rem; font-weight: 700; color: var(--paper);
  margin-bottom: .5rem;
}
.form-note { font-size: .8rem; color: rgba(255,255,255,.4); text-align: center; }
.form-plain label { color: var(--ink-2); }
.form-plain input {
  border-color: var(--line); background: var(--paper-2); color: var(--ink);
}
.form-plain input:focus { border-color: var(--accent); background: var(--paper); }
.form-plain input::placeholder { color: var(--muted); }

/* ─── FOOTER ─── */
.footer { background: var(--ink); color: rgba(255,255,255,.55); padding: 56px 0 32px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem; margin-bottom: 2.5rem;
}
.footer .logo { display: inline-flex; }
.footer p { font-size: .88rem; }
.footer-grid nav { display: flex; flex-direction: column; gap: .6rem; }
.footer-grid nav a { font-size: .88rem; color: rgba(255,255,255,.55); transition: color .15s; }
.footer-grid nav a:hover { color: #fff; }
.footer-legal { display: flex; flex-direction: column; gap: .6rem; }
.footer-legal a { font-size: .82rem; color: rgba(255,255,255,.4); transition: color .15s; }
.footer-legal a:hover { color: rgba(255,255,255,.75); }
.footer-copy {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.08);
  font-size: .8rem; color: rgba(255,255,255,.3);
}

/* ─── MODALS ─── */
.overlay {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem; backdrop-filter: blur(4px);
}
.overlay[hidden] { display: none; }
.modal {
  background: var(--paper); border-radius: var(--radius);
  box-shadow: 0 40px 100px rgba(0,0,0,.2);
  padding: 2.5rem; max-width: 480px; width: 100%;
  position: relative;
}
.modal h2 { font-size: 1.5rem; margin-bottom: .5rem; }
.modal > p { font-size: .92rem; color: var(--muted); margin-bottom: 1.5rem; }
.modal-x {
  position: absolute; top: 1rem; right: 1rem;
  font-size: 1.4rem; color: var(--muted); line-height: 1;
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
}
.modal-x:hover { background: var(--paper-2); color: var(--ink); }

/* ─── TOAST ─── */
.toast {
  position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; border-radius: 100px;
  padding: .75rem 1.75rem; font-size: .9rem; z-index: 9999;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
  animation: toastIn .25s ease;
}
.toast[hidden] { display: none; }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ─── SCROLL ANIMATIONS ─── */
.fade-in { opacity: 0; transform: translateY(28px); transition: opacity .55s ease, transform .55s ease; }
.fade-in.is-visible { opacity: 1; transform: none; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-stat-wide { grid-column: span 1; }
  .fit-grid { grid-template-columns: repeat(2, 1fr); }
  .step { grid-template-columns: 1fr; }
  .step-reverse { direction: ltr; }
  .trio { grid-template-columns: 1fr 1fr; }
  .analytics-grid { grid-template-columns: 1fr 1fr; }
  .doc-split { grid-template-columns: 1fr; }
  .pdf-pane { border-right: none; border-bottom: 1px solid var(--line); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 48px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .ba-grid { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .fit-grid { grid-template-columns: 1fr 1fr; }
  .who-stats { grid-template-columns: 1fr; max-width: 100%; }
  .who-list { grid-template-columns: 1fr; }
  .dash { grid-template-columns: repeat(2, 1fr); }
  .analytics-grid { grid-template-columns: 1fr; }
  .sec-grid { grid-template-columns: 1fr; }
  .trio { grid-template-columns: 1fr; }
  .final-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav {
    position: fixed; top: var(--header); left: 0; right: 0; bottom: 0;
    flex-direction: column; align-items: flex-start;
    background: var(--paper); padding: 1.5rem;
    gap: .25rem; overflow-y: auto;
    transform: translateX(100%); transition: transform .25s ease;
    z-index: 99;
  }
  .nav.is-open { transform: none; }
  .nav a { font-size: 1rem; width: 100%; padding: .75rem 1rem; border-radius: 12px; }
  .nav-mobile-actions {
    display: flex; flex-direction: column; gap: .75rem;
    width: 100%; margin-top: 1.5rem; padding-top: 1.5rem;
    border-top: 1px solid var(--line);
  }
  .lang-switch-desktop { display: none; }
  .nav-mobile-actions .btn { justify-content: center; }
  .header-actions .link-btn, .header-actions .btn-primary { display: none; }
  .menu-btn { display: flex; }
  .flow-box { padding: 2rem 1.5rem; }
  .tier-box { padding: 2rem; }
}

@media (max-width: 480px) {
  .fit-grid { grid-template-columns: 1fr; }
  .dash { grid-template-columns: 1fr 1fr; }
  .gng-grid { grid-template-columns: 1fr; }
  .gng-span { grid-column: span 1; }
  .final-grid { padding: 64px 0; }
}

/* Respect motion preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}