/* Trade Monitor — landing page (design/handoff-landing/SPEC-landing.md) */

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/IBMPlexSans-Regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/IBMPlexSans-Medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/IBMPlexSans-SemiBold.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/IBMPlexSans-Bold.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/fonts/IBMPlexMono-Regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/fonts/IBMPlexMono-Medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/fonts/IBMPlexMono-SemiBold.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}

:root {
  --bg:            #090C11;
  --bg-alt:        #0B0F14;
  --bg-bar:        #0C1117;
  --surface:       #0F1620;
  --surface-input: #0B1119;
  --border:        #1E2A38;
  --border-soft:   #18212C;
  --border-input:  #22303E;
  --row-line:      #121A23;

  --text:          #F2F6FA;
  --text-body:     #E6EDF3;
  --text-dim:      #B7C3D0;
  --text-muted:    #8695A6;
  --text-faint:    #5C6B7C;
  --label:         #4F5D6D;

  --accent:        #5B9DFF;
  --accent-strong: #2563EB;
  --brand-violet:  #7C3AED;
  --brand-cyan:    #22D3EE;

  --pos: #22C55E; --pos-soft: #5FD98A; --pos-bg: rgba(34,197,94,.12);
  --neg: #EF4444; --neg-soft: #F87878; --neg-bg: rgba(239,68,68,.12);
  --warn:#F59E0B; --warn-soft:#F0B24A; --warn-bg: rgba(245,158,11,.12);

  --r-sm: 5px; --r-md: 8px; --r-lg: 10px; --r-xl: 12px;
  --container: 1180px;

  --font-ui:   "IBM Plex Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}

/* ── reset ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { display: block; max-width: 100%; }
button, input, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* ── base ───────────────────────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text-body);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 32px;
}

.mono { font-family: var(--font-mono); }

.eyebrow {
  display: block;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

section h2 {
  font-family: var(--font-ui);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--text);
  text-wrap: balance;
}

section p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.65;
  text-wrap: pretty;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* ── botões ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--r-md);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
}

.btn-solid {
  background: var(--accent-strong);
  color: #F2F7FF;
}
.btn-solid:hover { background: #3B82F6; }

.btn-ghost {
  background: transparent;
  border-color: var(--border-input);
  color: var(--text-dim);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }

/* ── header ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 68px;
  display: flex;
  align-items: center;
  background: rgba(9, 12, 17, .92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border-soft);
}

.site-header .container {
  display: flex;
  align-items: center;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img.brand-icon { height: 30px; width: auto; }
.brand img.brand-wordmark { height: 14px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: 44px;
}
.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .15s ease;
}
.main-nav a:hover { color: var(--text-dim); }

.header-spacer { flex: 1; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-input);
  background: transparent;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle svg { width: 18px; height: 18px; }

/* ── hero ───────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: 76px;
  padding-bottom: 76px;
  border-bottom: 1px solid var(--border-soft);
}

.hero-glow {
  position: absolute;
  top: -280px;
  left: 50%;
  transform: translateX(-42%);
  width: 1200px;
  height: 620px;
  pointer-events: none;
  background: radial-gradient(ellipse at center,
    rgba(124, 58, 237, .55) 0%,
    rgba(94, 110, 235, .38) 35%,
    rgba(34, 211, 238, .28) 58%,
    rgba(34, 211, 238, .08) 74%,
    transparent 86%);
  filter: blur(2px);
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 470px;
  gap: 56px;
  align-items: start;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--surface-input);
  border: 1px solid var(--border-soft);
  font-size: 12.5px;
  color: var(--text-dim);
  margin-bottom: 22px;
}

.bullet {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pos);
  flex-shrink: 0;
}
.bullet-pulse {
  animation: bullet-pulse 2s ease-in-out infinite;
}
@keyframes bullet-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}
@media (prefers-reduced-motion: reduce) {
  .bullet-pulse { animation: none; }
}

.hero h1 {
  font-family: var(--font-ui);
  font-size: 54px;
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -.03em;
  color: var(--text);
  text-wrap: balance;
  margin-bottom: 22px;
}

.hero-sub {
  max-width: 520px;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.65;
  margin-bottom: 30px;
  text-wrap: pretty;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  margin-bottom: 34px;
}

.hero-sources {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
}
.hero-sources .label { color: var(--text-muted); font-family: var(--font-ui); margin-right: 4px; }
.hero-sources .sep { color: var(--border-input); }

/* card "sinal ao vivo" */
.signal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: 0 30px 70px rgba(0,0,0,.5);
  overflow: hidden;
}

.signal-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-bar);
  border-bottom: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.signal-card-head .signal-meta {
  margin-left: auto;
  color: var(--text-faint);
  text-transform: none;
}

.signal-card-body {
  border-left: 3px solid var(--pos);
  padding: 16px;
}

.signal-status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
}
.badge-pos { background: var(--pos-bg); color: var(--pos-soft); }
.badge-neg { background: var(--neg-bg); color: var(--neg-soft); }
.badge-warn { background: var(--warn-bg); color: var(--warn-soft); }

.signal-status-row .signal-desc { color: var(--text-dim); font-size: 13.5px; }
.signal-status-row .signal-time { margin-left: auto; font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); }

.signal-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.stat-card {
  background: var(--surface-input);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: 10px 12px;
}
.stat-card .stat-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 4px;
}
.stat-card .stat-value {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}
.stat-card.is-pos .stat-value { color: var(--pos-soft); }

.signal-table {
  width: 100%;
  border-collapse: collapse;
}
.signal-table th {
  text-align: left;
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding-bottom: 8px;
}
.signal-table th:last-child, .signal-table td:last-child { text-align: right; }
.signal-table td {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 7px 0;
  border-top: 1px solid var(--row-line);
  color: var(--text-dim);
}
.signal-table .dir-buy { color: var(--pos-soft); }
.signal-table .dir-sell { color: var(--neg-soft); }
.signal-table .res-pos { color: var(--pos-soft); }
.signal-table .res-neg { color: var(--neg-soft); }
.dot-inline {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  margin-right: 6px;
  background: currentColor;
}

.signal-alert {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-top: 1px solid var(--border-soft);
  background: rgba(245, 158, 11, .07);
  font-size: 12.5px;
  color: var(--warn-soft);
}
.signal-alert .alert-meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
}

/* ── seções genéricas ───────────────────────────────────────────────── */
section.block {
  padding-block: 72px;
  border-bottom: 1px solid var(--border-soft);
}
section.block.alt { background: var(--bg-alt); }

.block-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}
.block-head .block-title { max-width: 640px; }
.block-head .block-aside {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
  text-align: right;
  max-width: 340px;
}

.pill-flag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--border-input);
  color: var(--text-muted);
  white-space: nowrap;
}
.pill-flag.warn { border-color: rgba(245,158,11,.35); background: var(--warn-bg); color: var(--warn-soft); }

/* ── como funciona ──────────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--step-color, var(--brand-violet));
  border-radius: var(--r-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
}
.step-card .step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 14px;
}
.step-card h3 {
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.step-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.step-artifact { margin-top: auto; }

.step-code {
  background: var(--bg-bar);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--text-dim);
  white-space: pre;
}

.step-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  background: var(--surface-input);
  border: 1px solid var(--border-input);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-dim);
}

.platform-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 5px 0;
  color: var(--text-faint);
}
.platform-list li.is-live { color: var(--text); font-weight: 500; }
.platform-list .bullet.is-muted { background: var(--label); }

.step-stat {
  background: var(--surface-input);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: 10px 12px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.step-stat .stat-big {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--pos-soft);
}
.step-stat .stat-note {
  font-size: 12px;
  color: var(--text-faint);
}

/* ── recursos ───────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px;
}
.feature-card h3 {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ── transparência ──────────────────────────────────────────────────── */
.stats-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.kpi-cell {
  padding: 18px 22px;
  border-right: 1px solid var(--border-soft);
}
.kpi-cell:last-child { border-right: none; }
.kpi-cell .kpi-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 8px;
}
.kpi-cell .kpi-value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--text);
}
.kpi-cell.is-pos .kpi-value { color: var(--pos-soft); }
.kpi-cell.is-neg .kpi-value { color: var(--neg-soft); }

.chart-block {
  padding: 22px 22px 6px;
  border-top: 1px solid var(--border-soft);
}
.chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.chart-head .chart-label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.segmented {
  display: inline-flex;
  border: 1px solid var(--border-input);
  border-radius: var(--r-md);
  overflow: hidden;
}
.segmented button {
  background: transparent;
  border: none;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
  cursor: pointer;
}
.segmented button.is-active { background: var(--surface-input); color: var(--text-dim); }

.chart-svg { display: block; width: 100%; height: 200px; }

.table-scroll {
  overflow-x: auto;
  margin-top: 10px;
}
.trades-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}
.trades-table th {
  text-align: left;
  font-family: var(--font-ui);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 10px 22px;
  border-top: 1px solid var(--border-soft);
}
.trades-table td {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 10px 22px;
  border-top: 1px solid var(--row-line);
  color: var(--text-dim);
}
.trades-table th:last-child, .trades-table td:last-child { text-align: right; }
.trades-table th:first-child, .trades-table td:first-child {
  position: sticky;
  left: 0;
  background: var(--surface);
}
.trades-table .dir-buy { color: var(--pos-soft); }
.trades-table .dir-sell { color: var(--neg-soft); }
.trades-table .res-pos { color: var(--pos-soft); }
.trades-table .res-neg { color: var(--neg-soft); }

.stats-note {
  margin-top: 18px;
  font-size: 12.5px;
  color: var(--text-faint);
}

/* ── acesso ─────────────────────────────────────────────────────────── */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 56px;
  align-items: start;
}
.access-copy h2 { margin-bottom: 18px; }
.access-copy p { max-width: 480px; margin-bottom: 28px; }

.proof-row {
  display: flex;
  gap: 18px;
}
.proof-row .proof-item {
  padding-right: 18px;
  border-right: 1px solid var(--border-soft);
}
.proof-row .proof-item:last-child { border-right: none; padding-right: 0; }
.proof-row strong {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-dim);
}
.proof-row span {
  font-size: 12px;
  color: var(--text-faint);
}

.lead-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
}
.lead-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}
.field {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  margin-bottom: 12px;
  background: var(--surface-input);
  border: 1px solid var(--border-input);
  border-radius: var(--r-md);
  color: var(--text-body);
  font-size: 14px;
}
.field.mono { font-family: var(--font-mono); font-size: 13px; }
.field::placeholder { color: var(--text-faint); }
.field:focus { border-color: var(--accent); }
.field:focus:not(:focus-visible) { outline: none; }
.field:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
select.field { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238695A6' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
.lead-card .btn { width: 100%; margin-top: 4px; margin-bottom: 12px; }
.lead-card .btn[disabled] { opacity: .6; cursor: default; }
.field-error { font-size: 12px; color: var(--neg-soft); margin: -8px 0 12px; display: none; }
.field-error.is-visible { display: block; }
.lead-microcopy { font-size: 11.5px; color: var(--text-faint); }
.lead-success { font-size: 15px; color: var(--pos-soft); font-weight: 600; padding: 30px 0; text-align: center; }

/* ── rodapé ─────────────────────────────────────────────────────────── */
.site-footer { background: var(--bg-alt); }
.footer-main {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding-block: 32px;
}
.footer-main .brand { margin-right: 8px; }
.footer-main .brand img.brand-icon { height: 26px; }
.footer-main .brand img.brand-wordmark { height: 12px; }
.footer-domain { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); }
.footer-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.footer-links a { font-size: 13px; color: var(--text-muted); }
.footer-links a:hover { color: var(--text-dim); }
.footer-links .footer-email { font-family: var(--font-mono); color: var(--text-faint); }

.footer-legal {
  border-top: 1px solid var(--border-soft);
  padding-block: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
/* --label reprova contraste AA em texto normal (2.85:1) — texto legal é
   conteúdo, não label decorativo, então usa --text-muted (6.4:1) aqui. */
.footer-legal p { font-size: 11px; color: var(--text-muted); max-width: 900px; }
.footer-legal span { font-size: 11px; color: var(--text-muted); white-space: nowrap; }

/* ── responsivo ─────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .container { padding-inline: 24px; }
  .hero .container { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .access-grid { grid-template-columns: 1fr; }
  .lead-card { max-width: 440px; }
}

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .signal-card { max-width: 470px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .kpi-cell:nth-child(2) { border-right: none; }
  .kpi-cell:nth-child(n+3) { border-top: 1px solid var(--border-soft); }
  .block-head { flex-direction: column; align-items: flex-start; }
  .block-head .block-aside { text-align: left; max-width: 100%; }
}

@media (max-width: 640px) {
  .container { padding-inline: 20px; }
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero { padding-top: 48px; padding-bottom: 48px; }
  .hero h1 { font-size: 34px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .signal-stats { grid-template-columns: 1fr; }
  .brand-wordmark { display: none; }

  section.block { padding-block: 48px; }
  section.block h2 { font-size: 24px; }
  .steps-grid, .features-grid { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .proof-row { flex-direction: column; gap: 10px; }
  .proof-row .proof-item { border-right: none; padding-right: 0; }
  .footer-links { margin-left: 0; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
  .segmented button { padding: 11px 12px; }
  .chart-head { flex-direction: column; align-items: flex-start; gap: 10px; }

  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg-bar);
    border-bottom: 1px solid var(--border-soft);
    padding: 8px 20px 14px;
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 10px 0; width: 100%; }
}