/* ===========================================================================
   CTRL Labs — Shared site styles
   --------------------------------------------------------------------------
   Reset, header, footer, buttons, utility primitives.
   Page-specific styles live inside the page <style> block.
   =========================================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--t-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

::selection { background: var(--brand-blue); color: #fff; }

/* ─── Container ───────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--s-5);
}
.container-tight { max-width: var(--container-tight); }
.container-wide  { max-width: var(--container-wide); }

@media (min-width: 768px) {
  .container { padding-inline: var(--s-7); }
}

/* ─── Typography helpers ──────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-blue);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before { content: "[ "; opacity: 0.6; }
.eyebrow::after  { content: " ]"; opacity: 0.6; }
.eyebrow.on-dark { color: var(--accent); }
.eyebrow.muted   { color: var(--muted); }

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

.display-1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, var(--t-6xl));
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin: 0;
}
.display-2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, var(--t-5xl));
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin: 0;
}
.display-3 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, var(--t-4xl));
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0;
}
.lede {
  font-size: clamp(17px, 1.4vw, var(--t-lg));
  line-height: 1.55;
  color: var(--muted);
  max-width: 64ch;
  margin: 0;
  text-wrap: pretty;
}
.lede.on-dark { color: var(--ink-muted); }

/* ─── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 18px;
  border-radius: var(--r-2);
  font-family: var(--font-body);
  font-size: var(--t-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out),
              background var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              color var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  box-shadow: var(--sh-glow);
}
.btn-primary.on-dark {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
}
.btn-primary.on-dark:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
  box-shadow: var(--sh-accent);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--ink);
}
.btn-ghost.on-dark {
  color: #fff;
  border-color: var(--ink-line-strong);
}
.btn-ghost.on-dark:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-arrow::after {
  content: "→";
  font-family: var(--font-mono);
  font-weight: 400;
  transition: transform var(--dur) var(--ease-out);
}
.btn:hover .btn-arrow::after,
.btn-arrow:hover::after { transform: translateX(3px); }

/* ─── Header ──────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.site-header.on-dark {
  background: rgba(10, 14, 26, 0.65);
  border-bottom-color: var(--ink-line);
}
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
  height: 64px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: var(--t-md);
  color: var(--ink);
}
.site-header.on-dark .site-logo { color: #fff; }
.site-logo img { width: 28px; height: 28px; object-fit: contain; }
.site-logo span { color: var(--muted); font-weight: 400; }
.site-header.on-dark .site-logo span { color: var(--ink-muted); }

.site-nav {
  display: none;
  align-items: center;
  gap: var(--s-2);
}
@media (min-width: 900px) {
  .site-nav { display: flex; }
}
.site-nav a {
  position: relative;
  padding: 8px 12px;
  font-size: var(--t-sm);
  color: var(--ink);
  border-radius: var(--r-1);
  transition: color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}
.site-nav a:hover { color: var(--brand-blue); }
.site-nav a.active {
  color: var(--brand-blue);
}
.site-nav a.active::before {
  content: "•";
  margin-right: 4px;
  color: var(--brand-blue);
}
.site-header.on-dark .site-nav a { color: #fff; }
.site-header.on-dark .site-nav a:hover { color: var(--accent); }
.site-header.on-dark .site-nav a.active { color: var(--accent); }
.site-header.on-dark .site-nav a.active::before { color: var(--accent); }

.site-cta { display: none; }
@media (min-width: 900px) { .site-cta { display: inline-flex; } }

.menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-1);
  color: var(--ink);
}
.site-header.on-dark .menu-btn {
  border-color: var(--ink-line-strong);
  color: #fff;
}
@media (min-width: 900px) { .menu-btn { display: none; } }

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: var(--s-4) var(--s-5);
  background: var(--paper);
  border-top: 1px solid var(--line);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 12px 4px;
  font-size: var(--t-md);
  border-bottom: 1px solid var(--line);
}

/* ─── Footer ──────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--ink);
  color: #fff;
  padding-block: var(--s-9) var(--s-7);
  margin-top: var(--s-10);
}
.site-footer .footer-grid {
  display: grid;
  gap: var(--s-8);
  grid-template-columns: 1.4fr repeat(3, 1fr);
}
@media (max-width: 900px) {
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .site-footer .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand-block {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.footer-brand-block .site-logo { color: #fff; }
.footer-brand-block .site-logo span { color: var(--ink-muted); }
.footer-brand-block p {
  margin: 0;
  color: var(--ink-muted);
  font-size: var(--t-sm);
  line-height: 1.6;
  max-width: 38ch;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--s-4);
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: var(--t-sm);
  color: var(--ink-muted);
  transition: color var(--dur) var(--ease-out);
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  margin-top: var(--s-8);
  padding-top: var(--s-5);
  border-top: 1px solid var(--ink-line);
  display: flex;
  justify-content: space-between;
  gap: var(--s-4);
  font-size: var(--t-xs);
  color: var(--ink-muted);
  font-family: var(--font-mono);
}
.footer-bottom a:hover { color: #fff; }
@media (max-width: 560px) {
  .footer-bottom { flex-direction: column; }
}

/* ─── Section primitives ──────────────────────────────────────────────── */
.section {
  padding-block: var(--s-10);
}
@media (max-width: 768px) {
  .section { padding-block: var(--s-9); }
}
.section-dark {
  background: var(--ink);
  color: #fff;
}
.section-dark .lede { color: var(--ink-muted); }
.section-soft { background: var(--paper-soft); }

/* ─── Bracket label (decorative) ──────────────────────────────────────── */
.bracket-label {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--muted);
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.bracket-label .num {
  color: var(--brand-blue);
  font-weight: 500;
}
.section-dark .bracket-label { color: var(--ink-muted); }
.section-dark .bracket-label .num { color: var(--accent); }

/* ─── Card ────────────────────────────────────────────────────────────── */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  padding: var(--s-6);
  transition: border-color var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out);
}
.card:hover {
  border-color: var(--ink);
  box-shadow: var(--sh-3);
  transform: translateY(-2px);
}
.card-dark {
  background: var(--ink-soft);
  border-color: var(--ink-line);
  color: #fff;
}
.card-dark:hover {
  border-color: var(--brand-blue);
}

/* ─── Tags / pills ────────────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.04em;
  color: var(--muted);
  background: #fff;
}
.tag.is-ai { color: var(--brand-blue); border-color: var(--brand-blue); background: var(--brand-blue-tint); }
.tag.is-data { color: var(--accent-deep); border-color: var(--accent-deep); background: var(--accent-tint); }
.tag-dark {
  background: var(--ink-soft);
  border-color: var(--ink-line);
  color: var(--ink-muted);
}

/* ─── Grid utilities ──────────────────────────────────────────────────── */
.grid { display: grid; gap: var(--s-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ─── Subtle dot grid (for dark sections) ─────────────────────────────── */
.dot-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: 0 0;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

/* ─── Animated underline link ─────────────────────────────────────────── */
.uline {
  position: relative;
  padding-bottom: 2px;
  font-weight: 500;
  color: var(--brand-blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.uline::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  transform: scaleX(1);
  transition: transform var(--dur) var(--ease-out);
}
.uline:hover::after { transform: scaleX(0); transform-origin: right; }

/* ─── Marquee ─────────────────────────────────────────────────────────── */
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: var(--s-8);
  width: max-content;
  animation: marquee 40s linear infinite;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ─── Print ───────────────────────────────────────────────────────────── */
@media print {
  .site-header, .site-footer, .tweaks-toggle, .tweaks-panel { display: none !important; }
}

/* ─── Reduced motion ──────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ─── WhatsApp FAB (injetado via partials.js) ─────────────────────────── */
.whatsapp-fab {
  position: fixed; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom));
  width: 56px; height: 56px; display: grid; place-items: center;
  border-radius: var(--r-full); background: #25D366;
  box-shadow: 0 10px 30px rgba(37,211,102,.4), 0 2px 8px rgba(0,0,0,.25);
  z-index: 90; transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.whatsapp-fab:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(37,211,102,.55); }
.whatsapp-fab img { width: 24px; height: 24px; }
@media (max-width: 560px) { .whatsapp-fab { width: 52px; height: 52px; right: 14px; bottom: 14px; } }

/* ─── Mapa no rodapé ──────────────────────────────────────────────────── */
.footer-map { margin-top: var(--s-7); border-top: 1px solid var(--ink-line); padding-top: var(--s-6); }
.footer-map iframe {
  width: 100%; height: 240px; border: 0; border-radius: var(--r-3);
  filter: grayscale(0.3) contrast(1.05); display: block;
}
.footer-map .map-link {
  display: inline-block; margin-top: var(--s-3);
  font-family: var(--font-mono); font-size: var(--t-xs); color: var(--ink-muted);
}
.footer-map .map-link:hover { color: var(--accent); }

/* ─── Section header (compartilhado) ──────────────────────────────────── */
.sec-head { display:grid; grid-template-columns:1fr 1fr; gap:var(--s-7); align-items:end; margin-bottom:var(--s-6); }
@media (max-width:900px){ .sec-head { grid-template-columns:1fr; gap:var(--s-4); } }
.sec-head h2 { font-family:var(--font-display); font-size:clamp(30px,4vw,56px); font-weight:600; letter-spacing:-0.035em; line-height:1; margin:var(--s-3) 0 0; text-wrap:balance; }
.sec-head h2 .blue { color:var(--brand-blue); }
.sec-head h2 .green { color:var(--accent-deep); }
.sec-head .right-col p { font-size:var(--t-md); color:var(--muted); line-height:1.55; margin:0; max-width:48ch; }
.section-dark .sec-head .right-col p { color:var(--ink-muted); }

/* ─── CTA strip (compartilhado) ───────────────────────────────────────── */
.cta-strip { background:var(--ink); color:#fff; padding-block:var(--s-10); position:relative; overflow:hidden; }
.cta-strip::before { content:""; position:absolute; inset:0; background: radial-gradient(600px 300px at 20% 50%, rgba(30,111,255,0.18), transparent 70%), radial-gradient(500px 250px at 80% 50%, rgba(0,255,163,0.08), transparent 70%); pointer-events:none; }
.cta-strip-inner { position:relative; z-index:1; display:flex; flex-direction:column; align-items:center; text-align:center; gap:var(--s-5); }
.cta-strip h2 { font-family:var(--font-display); font-size:clamp(34px,5vw,64px); font-weight:600; letter-spacing:-0.035em; line-height:0.98; margin:0; max-width:20ch; text-wrap:balance; }
.cta-strip p { max-width:56ch; color:var(--ink-muted); margin:0; }
.cta-strip .btn-row { display:flex; gap:var(--s-3); flex-wrap:wrap; justify-content:center; margin-top:var(--s-3); }