/* ════════════════════════════════════════════════════════════════════
   BEAR — thebear.pro  ·  v4  ·  Editorial brutalismo refinado
   ════════════════════════════════════════════════════════════════════
   Tokens · scale modular · ritmo magazine · motion editorial
   ════════════════════════════════════════════════════════════════════ */


/* ═══════════════════════════════════════════
   §0  LOCAL FONTS — Instrument Serif + JetBrains Mono
   ═══════════════════════════════════════════ */
@font-face {
  font-family: "Instrument Serif";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/instrument-serif-v5-latin-regular.woff2") format("woff2");
}
@font-face {
  font-family: "Instrument Serif";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/instrument-serif-v5-latin-italic.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/jetbrains-mono-v24-latin_latin-ext-500.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/jetbrains-mono-v24-latin_latin-ext-600.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("assets/fonts/jetbrains-mono-v24-latin_latin-ext-700.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/jetbrains-mono-v24-latin_latin-ext-italic.woff2") format("woff2");
}


/* ═══════════════════════════════════════════
   §1  DESIGN TOKENS
   ═══════════════════════════════════════════ */
:root {
  /* ─── color · strict B&W with controlled opacities ─── */
  --surface-deep:        #000000;
  --surface-base:        #0a0a0a;
  --surface-paper:       #f7f6f3;
  --surface-paper-deep:  #efeeea;
  --surface-paper-warm:  #fbfaf7;

  --ink-on-deep:         #ffffff;
  --ink-on-paper:        #0a0a0a;

  --ink-muted-d:         rgba(255, 255, 255, 0.62);
  --ink-muted-l:         rgba(10, 10, 10, 0.62);
  --ink-faint-d:         rgba(255, 255, 255, 0.38);
  --ink-faint-l:         rgba(10, 10, 10, 0.38);
  --ink-whisper-d:       rgba(255, 255, 255, 0.18);
  --ink-whisper-l:       rgba(10, 10, 10, 0.14);

  --rule-d:              rgba(255, 255, 255, 0.16);
  --rule-l:              rgba(10, 10, 10, 0.14);
  --rule-strong-d:       rgba(255, 255, 255, 0.32);
  --rule-strong-l:       rgba(10, 10, 10, 0.28);

  /* contextual aliases (resolved per theme below) */
  --surface:             var(--surface-paper);
  --surface-alt:         var(--surface-paper-warm);
  --ink:                 var(--ink-on-paper);
  --ink-muted:           var(--ink-muted-l);
  --ink-faint:           var(--ink-faint-l);
  --ink-whisper:         var(--ink-whisper-l);
  --rule:                var(--rule-l);
  --rule-strong:         var(--rule-strong-l);

  /* ─── typography · modular scale (ratio 1.250) ─── */
  --font-sans:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Inter Tight", "Inter", system-ui, sans-serif;
  --font-serif:   "Instrument Serif", "Times New Roman", serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --type-mark:     clamp(0.84rem,  0.25vw + 0.78rem, 1.12rem);   /* meta */
  --type-caption:  clamp(0.9rem,   0.28vw + 0.84rem, 1.18rem);    /* footnote */
  --type-body-sm:  clamp(0.9rem,   0.28vw + 0.84rem, 1.22rem);
  --type-body:     clamp(1rem,     0.3vw  + 0.94rem, 1.35rem);
  --type-lede:     clamp(1.12rem,  0.55vw + 0.98rem, 1.8rem);
  --type-h6:       clamp(1.2rem,   0.85vw + 1rem,    2rem);
  --type-h5:       clamp(1.45rem,  1.3vw  + 1.15rem, 2.6rem);
  --type-h4:       clamp(1.8rem,   2vw    + 1.25rem, 3.3rem);
  --type-h3:       clamp(2.15rem,  2.7vw  + 1.5rem,  4.4rem);
  --type-h2:       clamp(2.7rem,   4vw    + 1.6rem,  6.2rem);
  --type-h1:       clamp(3.3rem,   5.4vw  + 1.9rem,  8.8rem);
  --type-display:  clamp(4rem,     7.2vw  + 2rem,    12rem);
  --type-mega:     clamp(4.8rem,   10vw   + 2rem,    16rem);

  --weight-thin:        100;
  --weight-extralight:  200;
  --weight-light:       300;
  --weight-regular:     400;
  --weight-medium:      500;
  --weight-semibold:    600;
  --weight-bold:        700;

  --tracking-mega:     -0.045em;
  --tracking-display:  -0.035em;
  --tracking-tight:    -0.022em;
  --tracking-snug:     -0.012em;
  --tracking-normal:   0;
  --tracking-wide:     0.04em;
  --tracking-wider:    0.08em;
  --tracking-widest:   0.18em;

  --leading-tight:     1.02;
  --leading-snug:      1.18;
  --leading-normal:    1.4;
  --leading-relaxed:   1.62;
  --leading-loose:     1.78;

  /* ─── spacing · base 4 ─── */
  --s-1:  0.25rem;
  --s-2:  0.5rem;
  --s-3:  0.75rem;
  --s-4:  1rem;
  --s-5:  1.5rem;
  --s-6:  2rem;
  --s-7:  3rem;
  --s-8:  4rem;
  --s-9:  6rem;
  --s-10: 8rem;
  --s-11: 12rem;
  --s-12: 16rem;

  /* ─── layout ─── */
  --maxw:       clamp(1280px, 78vw, 1880px);
  --maxw-wide:  clamp(1280px, 90vw, 2240px);
  --maxw-prose: clamp(680px, 44vw, 1040px);
  --gutter:    clamp(1.25rem, 4vw, 6rem);
  --section-py: clamp(5rem, 12vh, 12rem);

  /* ─── motion · durations ─── */
  --d-instant:    100ms;
  --d-fast:       220ms;
  --d-base:       360ms;
  --d-slow:       640ms;
  --d-deliberate: 1100ms;
  --d-cinematic:  1800ms;

  /* ─── motion · easings ─── */
  --ease-standard:   cubic-bezier(0.4, 0, 0.2, 1);
  --ease-emphasized: cubic-bezier(0.2, 0, 0, 1);
  --ease-decel:      cubic-bezier(0, 0, 0.2, 1);
  --ease-spring:     cubic-bezier(0.34, 1.34, 0.64, 1);
  --ease-editorial:  cubic-bezier(0.65, 0.05, 0.36, 1);
  --ease-out-cubic:  cubic-bezier(0.215, 0.61, 0.355, 1);

  /* ─── radius (almost none — editorial) ─── */
  --r-0: 0;
  --r-1: 2px;
  --r-2: 4px;
  --r-pill: 999px;

  /* ─── elevation (very subtle, as B&W respects flatness) ─── */
  --shadow-1: 0 1px 0 var(--rule-strong);
  --shadow-2: 0 24px 60px -30px rgba(0, 0, 0, 0.28);

  /* ─── reveal staging ─── */
  --reveal-delay: 0ms;
}

[data-theme="dark"] {
  --surface:        var(--surface-deep);
  --surface-alt:    var(--surface-base);
  --ink:            var(--ink-on-deep);
  --ink-muted:      var(--ink-muted-d);
  --ink-faint:      var(--ink-faint-d);
  --ink-whisper:    var(--ink-whisper-d);
  --rule:           var(--rule-d);
  --rule-strong:    var(--rule-strong-d);
}


/* ═══════════════════════════════════════════
   §2  RESET · BASE
   ═══════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 110px;
}

body {
  font-family: var(--font-sans);
  font-weight: var(--weight-light);
  font-size: var(--type-body);
  line-height: var(--leading-normal);
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "ss03", "cv05", "cv11";
  overflow-x: hidden;
}

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

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

::selection { background: var(--ink); color: var(--surface); }

[data-theme="dark"] {
  background: var(--surface-deep);
  color: var(--ink-on-deep);
}


/* ═══════════════════════════════════════════
   §3  UTILITIES
   ═══════════════════════════════════════════ */
.serif {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.005em;
}

.kicker {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55em;
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted);
}
.kicker em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-regular);
  font-size: 1.18em;
  letter-spacing: var(--tracking-normal);
  text-transform: none;
  color: var(--ink);
  line-height: 1;
}
.kicker strong {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-variant-numeric: lining-nums;
  color: var(--ink);
}
.kicker--right {
  margin-left: auto;
  text-align: right;
}

.line-thru {
  position: relative;
  display: inline-block;
  color: var(--ink-faint);
}
.line-thru::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto 0;
  height: 1px;
  background: currentColor;
  transform: rotate(-3deg) translateY(-1px);
  opacity: 0.7;
}

.line-break { display: block; }

/* Editorial section head: rule + dual kickers */
.block__head {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  width: 100%;
  margin-bottom: var(--s-8);
  padding-bottom: var(--s-3);
}
.rule {
  flex: 0 0 auto;
  display: inline-block;
  width: clamp(2rem, 6vw, 4rem);
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}
.rule--head { color: var(--ink-muted); }
.block__head--light { color: var(--ink-on-deep); }


/* ═══════════════════════════════════════════
   §4  NAV — newspaper masthead style
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(0.8rem, 1.2vw, 1.6rem) var(--gutter);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background var(--d-base) var(--ease-standard),
    backdrop-filter var(--d-base) var(--ease-standard),
    border-color var(--d-base) var(--ease-standard),
    color var(--d-base) var(--ease-standard);
}

.nav.is-scrolled {
  background: rgba(0, 0, 0, 0.55);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  backdrop-filter: saturate(140%) blur(18px);
  border-bottom-color: var(--rule-d);
}

.nav.is-light {
  background: rgba(247, 246, 243, 0.78);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  backdrop-filter: saturate(140%) blur(18px);
  border-bottom-color: var(--rule-l);
  color: var(--ink-on-paper);
}

.nav__brand { display: flex; align-items: center; }
.nav__logo { height: clamp(20px, 1.4vw, 32px); width: auto; }
.nav__logo--dark { display: none; }
.nav.is-light .nav__logo--light { display: none; }
.nav.is-light .nav__logo--dark  { display: block; }

.nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.4vw, 2.2rem);
  color: var(--ink-on-deep);
  font-size: var(--type-body-sm);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-wide);
}
.nav.is-light .nav__menu { color: var(--ink-on-paper); }

.nav__menu a:not(.nav__cta) {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4em;
  position: relative;
  padding: 0.4rem 0;
  color: inherit;
  opacity: 0.86;
  transition: opacity var(--d-fast) var(--ease-standard);
}
.nav__menu a:not(.nav__cta) i {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85em;
  color: var(--ink-faint);
  transition: color var(--d-fast) var(--ease-standard);
}
.nav__menu a:not(.nav__cta):hover { opacity: 1; }
.nav__menu a:not(.nav__cta):hover i { color: currentColor; }
.nav__menu a:not(.nav__cta)::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transition: right var(--d-slow) var(--ease-emphasized);
}
.nav__menu a:not(.nav__cta):hover::after { right: 0; }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--rule-d);
  border-radius: var(--r-pill);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  transition:
    background var(--d-fast) var(--ease-standard),
    color var(--d-fast) var(--ease-standard),
    border-color var(--d-fast) var(--ease-standard);
}
.nav__cta svg { transition: transform var(--d-base) var(--ease-emphasized); }
.nav.is-light .nav__cta { border-color: var(--rule-l); }
.nav__cta:hover {
  background: var(--ink-on-deep);
  color: var(--surface-deep);
  border-color: var(--ink-on-deep);
}
.nav__cta:hover svg { transform: translateX(3px); }
.nav.is-light .nav__cta:hover {
  background: var(--ink-on-paper);
  color: var(--surface-paper);
  border-color: var(--ink-on-paper);
}

@media (max-width: 720px) {
  .nav__menu a:not(.nav__cta) { display: none; }
}


/* ── language switcher ── */
.lang {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
  margin-left: var(--s-3);
  padding-left: var(--s-4);
  border-left: 1px solid var(--rule-d);
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-faint-d);
}
.nav.is-light .lang { border-left-color: var(--rule-l); color: var(--ink-faint-l); }

.lang__btn {
  appearance: none;
  background: none;
  border: 0;
  padding: 0.15em 0.05em;
  font: inherit;
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-faint-d);
  cursor: pointer;
  transition: color var(--d-fast) var(--ease-standard),
              font-weight var(--d-fast) var(--ease-standard);
}
.nav.is-light .lang__btn { color: var(--ink-faint-l); }

.lang__btn:hover {
  color: var(--ink-on-deep);
}
.nav.is-light .lang__btn:hover { color: var(--ink-on-paper); }

.lang__btn.is-active {
  color: var(--ink-on-deep);
  font-weight: var(--weight-bold);
}
.nav.is-light .lang__btn.is-active { color: var(--ink-on-paper); }

.lang__btn:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 3px;
  border-radius: 2px;
}

.lang__sep {
  color: var(--ink-whisper-d);
  user-select: none;
}
.nav.is-light .lang__sep { color: var(--ink-whisper-l); }

@media (max-width: 720px) {
  .lang {
    margin-left: var(--s-2);
    padding-left: var(--s-3);
    font-size: 0.78rem;
  }
}


/* ═══════════════════════════════════════════
   §5  LINKS / BUTTONS — refined editorial
   ═══════════════════════════════════════════ */
.link-arrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  padding: 0.75rem 0;
  font-size: var(--type-body-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  cursor: pointer;
  color: currentColor;
}
.link-arrow svg {
  transition: transform var(--d-base) var(--ease-emphasized);
}
.link-arrow::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform-origin: right;
  transform: scaleX(1);
  transition: transform var(--d-slow) var(--ease-emphasized);
}
.link-arrow:hover::after {
  transform-origin: left;
  transform: scaleX(1);
}
.link-arrow:hover svg { transform: translateX(6px); }

.link-arrow--ghost  { color: var(--ink-on-deep); opacity: 0.78; }
.link-arrow--ghost:hover { opacity: 1; }

.link-arrow--solid {
  padding: 0.85rem 1.4rem;
  background: var(--ink-on-deep);
  color: var(--surface-deep);
  border: 1px solid var(--ink-on-deep);
  border-radius: var(--r-pill);
}
.link-arrow--solid::after { display: none; }
.link-arrow--solid:hover {
  background: transparent;
  color: var(--ink-on-deep);
}


/* ═══════════════════════════════════════════
   §6  HERO — newspaper masthead
   ═══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr;
  overflow: hidden;
  background: var(--surface-deep);
  color: var(--ink-on-deep);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* subtle vignette so center copy sits above the wave */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 60% at 50% 38%,
      rgba(0, 0, 0, 0)   0%,
      rgba(0, 0, 0, 0.55) 60%,
      rgba(0, 0, 0, 0.95) 100%);
}

/* subtle grid texture — barely visible */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: clamp(40px, 5vw, 80px) clamp(40px, 5vw, 80px);
  mask-image: radial-gradient(ellipse 75% 60% at 50% 40%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 75% 60% at 50% 40%, #000 0%, transparent 80%);
}

.hero__inner {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: 100%;
  padding: calc(72px + var(--s-5)) var(--gutter) var(--s-6);
}

/* ── masthead row ── */
.hero__masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-5);
  padding-bottom: var(--s-4);
  border-bottom: 1px solid var(--rule-d);
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-d);
}
.hero__edition em,
.hero__date em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-muted-d);
  margin-right: 0.35em;
  line-height: 1;
}
.hero__edition strong,
.hero__date strong {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-variant-numeric: lining-nums;
  letter-spacing: var(--tracking-wider);
  color: var(--ink-on-deep);
}
.hero__reg {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.78em;
  vertical-align: super;
  color: var(--ink-faint-d);
  margin-left: 0.2em;
}

/* ── center stack ── */
.hero__center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--s-5);
  padding: var(--s-8) 0;
}

.hero__lede {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55em;
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-d);
}
.hero__lede em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-muted-d);
  line-height: 1;
}
.hero__lede strong {
  font-family: var(--font-mono);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  color: var(--ink-on-deep);
}
.hero__lede strong em {
  color: var(--ink-on-deep);
  margin: 0 0.05em;
}
.hero__lede-dot {
  width: 6px; height: 6px;
  background: var(--ink-on-deep);
  border-radius: 50%;
  animation: pulse 2.4s var(--ease-standard) infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1);   opacity: 1; }
  50%      { transform: scale(0.5); opacity: 0.4; }
}

/* ── title ── */
.hero__title {
  font-family: var(--font-display);
  font-weight: var(--weight-extralight);
  font-size: var(--type-h1);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  max-width: 20ch;
}
.hero__title-line {
  display: block;
  opacity: 0;
  transform: translateY(28px);
  animation: heroLine var(--d-deliberate) var(--ease-editorial) forwards;
}
.hero__title-line:nth-child(1) { animation-delay: 200ms; }
.hero__title-line:nth-child(2) { animation-delay: 360ms; }
.hero__title-line:nth-child(3) { animation-delay: 540ms; }

@keyframes heroLine {
  to { opacity: 1; transform: none; }
}

.hero__title-line--display {
  font-size: var(--type-display);
  line-height: 0.92;
  margin-top: 0.1em;
}

.hero__accent {
  display: inline-block;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  background:
    linear-gradient(180deg,
      #ffffff 0%,
      #ffffff 55%,
      rgba(255, 255, 255, 0.75) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}

/* ── sub ── */
.hero__sub {
  max-width: 44ch;
  font-size: var(--type-lede);
  font-weight: var(--weight-light);
  line-height: var(--leading-snug);
  color: var(--ink-muted-d);
  opacity: 0;
  animation: heroLine var(--d-deliberate) var(--ease-editorial) 720ms forwards;
}
.hero__sub em.serif { color: var(--ink-on-deep); }
.hero__sub-mark { color: var(--ink-faint-d); margin: 0 0.15em; }

/* ── actions ── */
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s-4) var(--s-7);
  margin-top: var(--s-5);
  opacity: 0;
  animation: heroLine var(--d-deliberate) var(--ease-editorial) 900ms forwards;
}

/* ── foot row ── */
.hero__foot {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--s-5);
  padding-top: var(--s-4);
  border-top: 1px solid var(--rule-d);
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-d);
  opacity: 0;
  animation: heroLine var(--d-deliberate) var(--ease-editorial) 1100ms forwards;
}
.hero__foot-mark { text-align: left; }
.hero__foot-coord { text-align: right; }
.hero__foot em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-muted-d);
  margin-right: 0.35em;
  line-height: 1;
}
.hero__foot strong {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-variant-numeric: lining-nums;
  color: var(--ink-on-deep);
}

.hero__scroll {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-on-deep);
  text-decoration: none;
}
.hero__scroll-label {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wide);
  text-transform: lowercase;
  color: var(--ink-faint-d);
}
.hero__scroll-dot {
  width: 20px; height: 32px;
  border: 1px solid var(--rule-strong-d);
  border-radius: var(--r-pill);
  position: relative;
}
.hero__scroll-dot::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  width: 2px; height: 6px;
  margin-left: -1px;
  background: var(--ink-on-deep);
  border-radius: var(--r-1);
  animation: scrollDot 1.8s var(--ease-standard) infinite;
}
@keyframes scrollDot {
  0%   { opacity: 0; transform: translateY(0); }
  40%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(14px); }
}

/* caret blink on promptSUMERS/RESPOSTAS */
.caret {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: var(--weight-thin);
  opacity: 0.65;
  animation: blink 1.2s steps(2, end) infinite;
  margin-left: 0.05em;
}
@keyframes blink {
  50% { opacity: 0; }
}


/* ═══════════════════════════════════════════
   §7  MANIFESTO
   ═══════════════════════════════════════════ */
.manifesto {
  display: flex;
  flex-direction: column;
}

.manifesto__block {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--section-py) var(--gutter);
  background: var(--surface);
  color: var(--ink);
}
.manifesto__block-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
}

/* soft gradient transitions between alternating themes */
.manifesto__block + .manifesto__block::before {
  content: "";
  position: absolute;
  inset: -1px 0 auto 0;
  height: 1px;
  background: var(--rule);
  opacity: 0.5;
}

/* ── display heading (shared) ── */
.display {
  font-family: var(--font-display);
  font-weight: var(--weight-extralight);
  font-size: var(--type-h1);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  max-width: 22ch;
}
.display__line { display: block; }
.display__strong {
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
}
.display__line--accent {
  font-family: var(--font-display);
  font-weight: var(--weight-extralight);
}

/* B2M2C / RESPOSTAS / MARCA — accent treatment */
.display__accent {
  display: inline-block;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  position: relative;
  background:
    linear-gradient(180deg,
      var(--ink-on-deep) 0%,
      var(--ink-on-deep) 55%,
      var(--ink-muted-d) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ── block: promptsumers ── */
.manifesto__block--promptsumers .display {
  margin-bottom: var(--s-7);
}
.block__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
  max-width: var(--maxw-prose);
}
.lede {
  font-family: var(--font-sans);
  font-weight: var(--weight-regular);
  font-size: var(--type-lede);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
  color: var(--ink);
}
.lede em.serif,
.lede em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-regular);
}
.lede--center { text-align: center; max-width: 44rem; margin: 0 auto var(--s-8); }
.body {
  font-size: var(--type-body);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
  color: var(--ink-muted);
  max-width: 60ch;
}

/* ── block: B2M2C centered ── */
.manifesto__block--b2m2c {
  text-align: center;
}
.manifesto__block--b2m2c .display {
  max-width: 26ch;
  margin: 0 auto var(--s-5);
}
.manifesto__block--b2m2c .display__line { display: block; }

/* ── stats — editorial table treatment ── */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--s-7) clamp(var(--s-5), 4vw, var(--s-10));
  max-width: var(--maxw);
  margin: var(--s-9) auto 0;
  text-align: left;
}
.stats__item {
  position: relative;
  padding-top: var(--s-5);
  border-top: 1px solid var(--rule-d);
}
.stats__rank {
  position: absolute;
  top: var(--s-2);
  right: 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--type-caption);
  color: var(--ink-faint-d);
}
.stats__figure {
  display: block;
  font-family: var(--font-display);
  font-weight: var(--weight-thin);
  font-size: clamp(2.8rem, 5.5vw + 0.2rem, 6.4rem);
  line-height: 1;
  letter-spacing: var(--tracking-display);
  color: var(--ink-on-deep);
  font-variant-numeric: tabular-nums lining-nums;
  margin-bottom: var(--s-4);
}
.stats__figure em.serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-light);
  font-size: 0.72em;
  letter-spacing: 0;
  margin-left: 0.05em;
  color: var(--ink-muted-d);
}
.stats__currency,
.stats__plus {
  font-family: var(--font-display);
  font-weight: var(--weight-thin);
  font-size: 0.6em;
  letter-spacing: 0;
  vertical-align: 0.2em;
  color: var(--ink-muted-d);
  margin-right: 0.1em;
}
.stats__label {
  font-size: var(--type-body-sm);
  font-weight: var(--weight-light);
  line-height: var(--leading-snug);
  color: var(--ink-muted-d);
  margin-bottom: var(--s-3);
  max-width: 28ch;
}
.stats__cite {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-d);
  font-style: normal;
}
.stats__cite em {
  font-family: var(--font-serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: var(--tracking-wide);
}

/* ── block: pivot question (spread) ── */
.manifesto__block--pivot {
  padding-block: clamp(7rem, 18vh, 14rem);
  background: var(--surface-paper);
}
.pivot {
  position: relative;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.pivot__chapter {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
  margin-bottom: var(--s-7);
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-l);
}
.pivot__chapter em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-muted-l);
  line-height: 1;
}
.pivot__chapter strong {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  color: var(--ink-on-paper);
}

.pivot__question {
  position: relative;
  font-family: var(--font-display);
  font-weight: var(--weight-thin);
  font-size: var(--type-display);
  line-height: 1.04;
  letter-spacing: var(--tracking-display);
  max-width: 18ch;
  color: var(--ink-on-paper);
}
.pivot__line-break { display: block; }
.pivot__strong {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
}
.pivot__q-mark {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-light);
  font-size: 1.4em;
  line-height: 0;
  color: var(--ink-whisper-l);
  position: relative;
  top: 0.05em;
  margin-right: 0.05em;
}
.pivot__q-mark--end {
  position: absolute;
  right: 0;
  bottom: -0.2em;
}

.pivot__footnote {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  margin-top: var(--s-9);
  padding-top: var(--s-5);
  border-top: 1px solid var(--rule-l);
  max-width: 56ch;
  font-size: var(--type-body-sm);
  line-height: var(--leading-relaxed);
  color: var(--ink-muted-l);
}
.pivot__footnote-marker {
  flex: 0 0 auto;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.4em;
  line-height: 1;
  color: var(--ink-faint-l);
}

/* ── block: anti-positioning ── */
.manifesto__block--anti {
  background: var(--surface-deep);
}
.anti {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(var(--s-7), 7vw, var(--s-10));
  align-items: flex-end;
}
@media (max-width: 860px) {
  .anti { grid-template-columns: 1fr; gap: var(--s-8); }
}

.anti__list {
  list-style: none;
  counter-reset: anti;
}
.anti__list li {
  display: flex;
  align-items: baseline;
  gap: var(--s-4);
  padding: var(--s-4) 0;
  border-bottom: 1px solid var(--rule-d);
  font-family: var(--font-display);
  font-weight: var(--weight-extralight);
  font-size: clamp(1.4rem, 2.8vw + 0.2rem, 3.4rem);
  line-height: 1.2;
  letter-spacing: var(--tracking-snug);
  color: var(--ink-muted-d);
  transition: color var(--d-base) var(--ease-standard);
}
.anti__list li:first-child {
  border-top: 1px solid var(--rule-d);
}
.anti__list li:hover { color: var(--ink-on-deep); }
.anti__num {
  flex: 0 0 auto;
  width: 2.8em;
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-size: 0.46em;
  letter-spacing: var(--tracking-wider);
  color: var(--ink-muted-d);
  align-self: center;
}
.anti__text em.serif { color: inherit; }

.anti__verdict {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.anti__verdict-h {
  font-family: var(--font-display);
  font-weight: var(--weight-extralight);
  font-size: clamp(1.45rem, 3vw + 0.2rem, 3.6rem);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
  color: var(--ink-on-deep);
}
.bear-acronym {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.55em;
  margin-top: 0.4em;
}
.bear-acronym strong {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 1.1em;
  color: var(--ink-on-deep);
  letter-spacing: var(--tracking-tight);
}
.bear-acronym em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-wide);
  color: var(--ink-muted-d);
  margin-left: -0.1em;
}
.anti__verdict-p {
  font-family: var(--font-display);
  font-weight: var(--weight-extralight);
  font-size: clamp(1.45rem, 2.8vw + 0.2rem, 3.4rem);
  letter-spacing: var(--tracking-snug);
  color: var(--ink-on-deep);
  margin-top: var(--s-3);
}
.anti__verdict-p em.serif { color: var(--ink-on-deep); }


/* ═══════════════════════════════════════════
   §8  SERVIÇOS
   ═══════════════════════════════════════════ */
.servicos {
  padding: var(--section-py) var(--gutter);
  background: var(--surface-paper);
  color: var(--ink-on-paper);
}

.servicos__head {
  max-width: var(--maxw);
  margin: 0 auto var(--s-9);
}
.servicos__title {
  font-family: var(--font-display);
  font-weight: var(--weight-extralight);
  font-size: var(--type-h2);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-display);
  max-width: 26ch;
  margin-bottom: var(--s-5);
}
.servicos__intro {
  font-size: var(--type-lede);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
  color: var(--ink-muted-l);
  max-width: 60ch;
}

/* connector rail above the grid */
.servicos__rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--maxw);
  margin: 0 auto var(--s-6);
  padding: 0 var(--s-5);
}
.rail__line {
  position: absolute;
  top: 50%;
  left: 4%;
  right: 4%;
  height: 1px;
  background: var(--rule-l);
}
.rail__node {
  position: relative;
  background: var(--surface-paper);
  padding: var(--s-2) var(--s-4);
  justify-self: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: calc(var(--type-mark) * 1.25);
  color: var(--ink-muted-l);
  letter-spacing: var(--tracking-wide);
}

.servicos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: clamp(var(--s-3), 1.5vw, var(--s-5));
  max-width: var(--maxw);
  margin: 0 auto;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface-paper-warm);
  border: 1px solid var(--rule-l);
  padding: clamp(var(--s-6), 3vw, var(--s-8));
  overflow: hidden;
  transition:
    background var(--d-slow) var(--ease-standard),
    color var(--d-slow) var(--ease-standard),
    border-color var(--d-slow) var(--ease-standard),
    transform var(--d-base) var(--ease-emphasized);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      45deg,
      transparent 0,
      transparent 14px,
      rgba(0, 0, 0, 0.02) 14px,
      rgba(0, 0, 0, 0.02) 15px
    );
  opacity: 0;
  transition: opacity var(--d-slow) var(--ease-standard);
  pointer-events: none;
}
.card:hover {
  background: var(--surface-deep);
  color: var(--ink-on-deep);
  border-color: var(--surface-deep);
  transform: translateY(-4px);
}
.card:hover::before {
  opacity: 1;
  background:
    repeating-linear-gradient(
      45deg,
      transparent 0,
      transparent 14px,
      rgba(255, 255, 255, 0.03) 14px,
      rgba(255, 255, 255, 0.03) 15px
    );
}

.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--s-6);
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-l);
  transition: color var(--d-slow) var(--ease-standard);
}
.card:hover .card__head { color: var(--ink-muted-d); }
.card__num {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3em;
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-variant-numeric: lining-nums;
  letter-spacing: var(--tracking-wider);
  color: var(--ink-on-paper);
  transition: color var(--d-slow) var(--ease-standard);
}
.card:hover .card__num { color: var(--ink-on-deep); }
.card__num em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-muted-l);
  font-weight: var(--weight-regular);
  line-height: 1;
}
.card:hover .card__num em { color: var(--ink-faint-d); }
.card__num-of {
  font-weight: var(--weight-light);
  color: var(--ink-faint-l);
}
.card__chapter em {
  font-family: var(--font-serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: var(--tracking-wide);
}

.card__h {
  font-family: var(--font-display);
  font-weight: var(--weight-light);
  font-size: clamp(1.85rem, 3.4vw + 0.2rem, 4.2rem);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  margin-bottom: var(--s-4);
}
.card__h em.serif {
  font-weight: var(--weight-light);
  font-size: 0.92em;
}
.card__lead {
  font-size: var(--type-body);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
  color: var(--ink-muted-l);
  padding-top: var(--s-4);
  border-top: 1px solid var(--rule-l);
  margin-bottom: var(--s-5);
  transition: color var(--d-slow) var(--ease-standard);
}
.card:hover .card__lead {
  color: var(--ink-muted-d);
  border-color: var(--rule-d);
}
.card__lead em.serif,
.card__lead em {
  font-weight: var(--weight-light);
  color: var(--ink-on-paper);
}
.card:hover .card__lead em.serif,
.card:hover .card__lead em { color: var(--ink-on-deep); }

.card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  font-size: var(--type-body-sm);
  line-height: var(--leading-relaxed);
  color: var(--ink-muted-l);
  margin-bottom: var(--s-6);
  transition: color var(--d-slow) var(--ease-standard);
}
.card:hover .card__list { color: var(--ink-muted-d); }
.card__list li {
  display: flex;
  align-items: baseline;
  gap: var(--s-3);
  padding-left: 0;
}
.card__list-dot {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint-l);
  flex: 0 0 auto;
}
.card:hover .card__list-dot { color: var(--ink-faint-d); }

/* layers card */
.layers {
  list-style: none;
  display: flex;
  flex-direction: column;
  margin-bottom: var(--s-6);
}
.layers__item {
  display: flex;
  align-items: flex-start;
  gap: var(--s-4);
  padding: var(--s-4) 0;
  border-bottom: 1px dashed var(--rule-l);
  transition: border-color var(--d-slow) var(--ease-standard);
}
.layers__item:first-child { padding-top: 0; }
.layers__item:last-child  { border-bottom: none; }
.card:hover .layers__item { border-color: var(--rule-d); }
.layers__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-variant-numeric: lining-nums;
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-l);
  padding-top: 0.22em;
  transition: color var(--d-slow) var(--ease-standard);
}
.card:hover .layers__num { color: var(--ink-muted-d); }
.layers__num em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-on-paper);
  font-weight: var(--weight-regular);
  line-height: 1;
}
.card:hover .layers__num em { color: var(--ink-on-deep); }
.layers__title {
  display: block;
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-size: var(--type-body);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-on-paper);
  margin-bottom: 0.15em;
  transition: color var(--d-slow) var(--ease-standard);
}
.card:hover .layers__title { color: var(--ink-on-deep); }
.layers__sub {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--type-caption);
  color: var(--ink-faint-l);
  margin-bottom: var(--s-2);
  transition: color var(--d-slow) var(--ease-standard);
}
.card:hover .layers__sub { color: var(--ink-faint-d); }
.layers__body {
  font-size: var(--type-body-sm);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
  color: var(--ink-muted-l);
  transition: color var(--d-slow) var(--ease-standard);
}
.card:hover .layers__body { color: var(--ink-muted-d); }

.card__arrow {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  opacity: 0;
  transform: translateX(-8px);
  transition:
    opacity var(--d-base) var(--ease-emphasized),
    transform var(--d-base) var(--ease-emphasized);
}
.card:hover .card__arrow {
  opacity: 1;
  transform: translateX(0);
}


/* ═══════════════════════════════════════════
   §9  CTA + CONTATO
   ═══════════════════════════════════════════ */
.cta {
  position: relative;
  background: var(--surface-deep);
  color: var(--ink-on-deep);
  padding: var(--section-py) var(--gutter) 0;
  overflow: hidden;
}
.cta__canvas {
  position: absolute;
  inset: auto 0 0 0;
  width: 100%;
  height: 70%;
  z-index: 0;
  opacity: 0.5;
}
.cta__grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: clamp(60px, 8vw, 120px) 100%;
}

.cta__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(var(--s-7), 6vw, var(--s-10));
  max-width: var(--maxw);
  margin: 0 auto;
  align-items: start;
}
@media (max-width: 920px) {
  .cta__inner { grid-template-columns: 1fr; }
}

.cta__copy { display: flex; flex-direction: column; gap: var(--s-5); }

.cta__h {
  font-family: var(--font-display);
  font-weight: var(--weight-extralight);
  font-size: var(--type-h1);
  line-height: 1.02;
  letter-spacing: var(--tracking-display);
  margin-top: var(--s-2);
}
.cta__h-line { display: block; }
.cta__h-line--display {
  font-size: var(--type-display);
  margin-top: 0.05em;
}
.cta__h-line--display em.serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-light);
  letter-spacing: -0.02em;
  color: var(--ink-on-deep);
}

.cta__lede {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  font-size: var(--type-lede);
  line-height: var(--leading-snug);
  color: var(--ink-muted-d);
  max-width: 48ch;
}
.cta__warning {
  display: flex;
  align-items: baseline;
  gap: 0.6em;
  font-weight: var(--weight-light);
  color: var(--ink-on-deep);
}
.cta__warning-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5em;
  height: 1.5em;
  border: 1px solid var(--ink-on-deep);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.75em;
  line-height: 1;
  flex: 0 0 auto;
}
.cta__warning strong {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-variant-numeric: lining-nums;
}
.cta__warning-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95em;
  color: var(--ink-muted-d);
  padding-left: 2.1em;
}

.cta__final {
  font-family: var(--font-display);
  font-weight: var(--weight-extralight);
  font-size: clamp(1.4rem, 2.8vw + 0.2rem, 3.6rem);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
  color: var(--ink-on-deep);
  padding-top: var(--s-6);
  border-top: 1px solid var(--rule-d);
}
.cta__final-mark {
  display: inline-block;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  background:
    linear-gradient(180deg,
      #ffffff 0%,
      #ffffff 55%,
      rgba(255, 255, 255, 0.6) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ── form ── */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--rule-d);
  padding: clamp(var(--s-5), 3vw, var(--s-7));
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.form__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: var(--s-4);
  border-bottom: 1px solid var(--rule-d);
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-d);
}
.form__step em,
.form__hint em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-muted-d);
  margin-right: 0.35em;
  line-height: 1;
}
.form__step strong,
.form__hint strong {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  color: var(--ink-on-deep);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5);
}
@media (max-width: 520px) {
  .form__row { grid-template-columns: 1fr; }
}

.form__field {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.form__label {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-d);
}
.form__label em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-muted-d);
  line-height: 1;
}

.form__field input,
.form__field textarea {
  background: transparent;
  border: none;
  padding: var(--s-3) 0;
  font-family: var(--font-sans);
  font-weight: var(--weight-light);
  font-size: var(--type-body);
  color: var(--ink-on-deep);
  caret-color: var(--ink-on-deep);
  resize: vertical;
  border-bottom: 1px solid var(--rule-d);
  transition: border-color var(--d-fast) var(--ease-standard);
}
.form__field textarea { min-height: 7rem; line-height: var(--leading-relaxed); }
.form__field input::placeholder,
.form__field textarea::placeholder { color: var(--ink-faint-d); }

/* animated underline overlay */
.form__rule {
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 1px;
  background: var(--ink-on-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--d-base) var(--ease-emphasized);
  pointer-events: none;
}
.form__field:focus-within .form__rule { transform: scaleX(1); }
.form__field input:focus,
.form__field textarea:focus {
  outline: none;
  border-color: transparent;
}

.form__hp {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-4);
  margin-top: var(--s-3);
}

.btn-send {
  display: inline-flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-4) var(--s-6);
  background: var(--ink-on-deep);
  color: var(--surface-deep);
  border: 1px solid var(--ink-on-deep);
  border-radius: var(--r-pill);
  cursor: pointer;
  font-size: var(--type-body-sm);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  transition:
    background var(--d-base) var(--ease-standard),
    color var(--d-base) var(--ease-standard);
}
.btn-send__text em {
  font-family: var(--font-serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: var(--tracking-wide);
  font-weight: var(--weight-regular);
  margin-right: 0.4em;
}
.btn-send__text strong {
  font-weight: var(--weight-bold);
}
.btn-send__icon {
  display: inline-flex;
  align-items: center;
  transition: transform var(--d-base) var(--ease-emphasized);
}
.btn-send:hover {
  background: transparent;
  color: var(--ink-on-deep);
}
.btn-send:hover .btn-send__icon { transform: translateX(5px); }
.btn-send:focus-visible {
  outline: 2px solid var(--ink-on-deep);
  outline-offset: 4px;
}

.form__status {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--type-body-sm);
  color: var(--ink-muted-d);
  margin: 0;
}
.form__status.is-ok  { color: #d6f5cb; }
.form__status.is-err { color: #ffd5d5; }


/* ═══════════════════════════════════════════
   §10  FOOTER — colofão
   ═══════════════════════════════════════════ */
.footer {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: clamp(var(--s-9), 12vh, var(--s-11)) auto 0;
  padding: var(--s-6) 0 var(--s-6);
  border-top: 1px solid var(--rule-d);
  color: var(--ink-muted-d);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--s-5);
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}
.footer__brand img {
  height: 20px;
  opacity: 0.9;
}
.footer__brand-meta em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--type-caption);
  color: var(--ink-faint-d);
  letter-spacing: var(--tracking-wide);
}
.footer__brand-meta strong {
  font-family: var(--font-sans);
  font-weight: var(--weight-bold);
  font-style: normal;
  color: var(--ink-faint-d);
  margin: 0 0.25em;
}

.footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-5);
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-d);
}
.footer__meta em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-muted-d);
  margin-right: 0.35em;
  line-height: 1;
}
.footer__meta strong {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-variant-numeric: lining-nums;
  color: var(--ink-on-deep);
}

.footer__rule {
  width: 100%;
  height: 1px;
  background: var(--rule-d);
  margin: var(--s-5) 0 var(--s-4);
  opacity: 0.5;
}

.footer__small {
  font-size: var(--type-caption);
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint-d);
  text-align: center;
}
.footer__small em {
  color: var(--ink-muted-d);
}


/* ═══════════════════════════════════════════
   §11  REVEAL ON SCROLL — with staging
   ═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--d-cinematic) var(--ease-editorial),
    transform var(--d-cinematic) var(--ease-editorial);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}


/* ═══════════════════════════════════════════
   §12  ACCESSIBILITY
   ═══════════════════════════════════════════ */
:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
  border-radius: var(--r-1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__title-line,
  .hero__sub,
  .hero__actions,
  .hero__foot { opacity: 1; transform: none; }
}


/* ════════════════════════════════════════════════════════════════════
   §13  REFINEMENTS · v3 · vanguard UI/UX overlay
   ════════════════════════════════════════════════════════════════════ */

/* ── custom cursor (pointer devices only) ── */
.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 200;
  pointer-events: none;
  mix-blend-mode: difference;
  transform: translate3d(-100px, -100px, 0);
  opacity: 0;
  transition: opacity 200ms var(--ease-standard);
}
.cursor.is-visible { opacity: 1; }
.cursor__dot,
.cursor__ring {
  position: absolute;
  top: 50%; left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor__dot {
  width: 6px; height: 6px;
  background: #fff;
}
.cursor__ring {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,.55);
  transition: width 220ms var(--ease-emphasized),
              height 220ms var(--ease-emphasized),
              background 220ms var(--ease-standard);
}
.cursor.is-hover .cursor__ring {
  width: 68px; height: 68px;
  background: rgba(255,255,255,.06);
}
.cursor__label {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.01em;
  color: #fff;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 200ms var(--ease-standard);
}
.cursor.is-hover .cursor__label { opacity: 1; }
@media (hover: none), (pointer: coarse) {
  .cursor { display: none; }
}


/* ── scroll progress (top hairline) ── */
.progress {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  height: 2px;
  background: transparent;
  pointer-events: none;
}
.progress__bar {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,.85) 50%,
    rgba(255,255,255,.95) 100%);
  transform-origin: left;
  transition: width 80ms linear;
  mix-blend-mode: difference;
}


/* ── ticker · live system bar ── */
.ticker {
  position: fixed;
  inset: 2px 0 auto 0;
  z-index: 70;
  height: clamp(32px, 2vw, 44px);
  background: rgba(0,0,0,.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule-d);
  font-family: var(--font-mono);
  font-size: clamp(12px, 0.8vw, 15px);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-muted-d);
  transition: background var(--d-base) var(--ease-standard),
              border-color var(--d-base) var(--ease-standard),
              color var(--d-base) var(--ease-standard);
}
.ticker.is-light {
  background: rgba(247,246,243,.92);
  border-bottom-color: var(--rule-l);
  color: var(--ink-muted-l);
}
.ticker__inner {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 var(--gutter);
  gap: clamp(1rem, 2vw, 2rem);
  max-width: 100%;
  overflow: hidden;
}
.ticker__dot {
  width: 6px; height: 6px;
  background: #ff3b3b;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(255,59,59,.6);
  animation: tickerPulse 1.6s var(--ease-standard) infinite;
  flex: 0 0 auto;
}
@keyframes tickerPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,59,59,.6); }
  70% { box-shadow: 0 0 0 8px rgba(255,59,59,0); }
}
.ticker__seg {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
  flex: 0 0 auto;
  white-space: nowrap;
}
.ticker__seg em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18em;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-muted-d);
  line-height: 1;
}
.ticker.is-light .ticker__seg em { color: var(--ink-muted-l); }
.ticker__seg strong {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--ink-on-deep);
}
.ticker.is-light .ticker__seg strong { color: var(--ink-on-paper); }
.ticker__sep {
  margin: 0 0.2em;
  color: var(--ink-whisper-d);
}
.ticker__seg--end {
  margin-left: auto;
}
.ticker__seg--scroll {
  flex: 1 1 auto;
  overflow: hidden;
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  mask-image: linear-gradient(to right,
    transparent 0%, #000 8%, #000 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right,
    transparent 0%, #000 8%, #000 92%, transparent 100%);
}
.ticker__scroll {
  display: inline-flex;
  gap: 3rem;
  white-space: nowrap;
  animation: tickerScroll 48s linear infinite;
}
.ticker__scroll > span {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4em;
}
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* offset nav and hero to make room for ticker */
.nav { top: clamp(28px, 1.6vw, 40px); }
.hero__inner { padding-top: calc(72px + clamp(28px, 1.6vw, 40px) + var(--s-5)); }

@media (max-width: 720px) {
  .ticker__seg--scroll { display: none; }
}


/* ── hero answer strip ── */
.answer-strip {
  margin-top: var(--s-6);
  width: min(860px, 94vw);
  padding: var(--s-4) var(--s-5);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--rule-d);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-align: left;
  opacity: 0;
  animation: heroLine var(--d-deliberate) var(--ease-editorial) 1300ms forwards;
}
.answer-strip__head {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--ink-faint-d);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--rule-d);
  margin-bottom: var(--s-3);
}
.answer-strip__head em {
  font-family: var(--font-serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: var(--tracking-wide);
}
.answer-strip__head strong {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  color: var(--ink-muted-d);
}
.answer-strip__dot {
  width: 6px; height: 6px;
  background: #51d68a;
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(81,214,138,.6);
  animation: pulse 1.4s var(--ease-standard) infinite;
}
.answer-strip__bullet { color: var(--ink-whisper-d); }
.answer-strip__meta {
  margin-left: auto;
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  color: var(--ink-muted-d);
}
.answer-strip__body {
  display: grid;
  gap: var(--s-2);
  font-size: var(--type-body-sm);
  line-height: var(--leading-snug);
  color: var(--ink-muted-d);
}
.answer-strip__prompt,
.answer-strip__response {
  display: flex;
  align-items: baseline;
  gap: 0.5em;
}
.answer-strip__prompt em,
.answer-strip__response em {
  flex: 0 0 auto;
  color: var(--ink-faint-d);
  font-size: 0.92em;
}
.answer-strip__response {
  color: var(--ink-on-deep);
}
.answer-strip__caret {
  display: inline-block;
  margin-left: 1px;
  color: var(--ink-on-deep);
  animation: blink 1s steps(2, end) infinite;
}

@media (max-width: 520px) {
  .answer-strip { padding: var(--s-3) var(--s-4); }
}


/* ── B2M2C flow diagram ── */
.flow {
  position: relative;
  max-width: 1100px;
  margin: var(--s-8) auto 0;
  padding: var(--s-6) var(--s-4) 0;
}
.flow__rail {
  position: absolute;
  left: 12%;
  right: 12%;
  top: calc(var(--s-6) + 18px);
  height: 1px;
  pointer-events: none;
}
.flow__rail-line {
  position: absolute;
  inset: 0;
  background: var(--rule-d);
}
.flow__pulse {
  position: absolute;
  top: 50%;
  left: 0;
  width: 8px; height: 8px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: var(--ink-on-deep);
  box-shadow: 0 0 12px rgba(255,255,255,.4);
  animation: flowPulse 4.8s var(--ease-standard) infinite;
  animation-delay: var(--p-delay, 0s);
  opacity: 0;
}
@keyframes flowPulse {
  0%   { transform: translateX(0);    opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateX(100%); opacity: 0; }
}
.flow__nodes {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: var(--s-3);
}
.flow__node {
  position: relative;
  padding: var(--s-5) var(--s-4);
  background: rgba(0,0,0,.4);
  border: 1px solid var(--rule-d);
  text-align: left;
  z-index: 2;
}
.flow__node--machine {
  background: rgba(255,255,255,.04);
  border-color: var(--rule-strong-d);
}
.flow__node-rank {
  display: block;
  font-family: var(--font-display);
  font-weight: var(--weight-thin);
  font-size: 2.2rem;
  letter-spacing: -0.04em;
  color: var(--ink-on-deep);
  line-height: 1;
  margin-bottom: var(--s-2);
}
.flow__node-rank em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-light);
  color: var(--ink-faint-d);
  font-size: 0.5em;
  vertical-align: 0.4em;
  margin-left: 0.1em;
}
.flow__node-h {
  display: block;
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--ink-on-deep);
}
.flow__node-sub {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--type-caption);
  color: var(--ink-faint-d);
  margin-bottom: var(--s-4);
}
.flow__node-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3em;
  font-size: var(--type-body-sm);
  font-weight: var(--weight-light);
  color: var(--ink-muted-d);
}
.flow__brain {
  display: flex;
  gap: 6px;
  margin-bottom: var(--s-4);
}
.flow__brain-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink-on-deep);
  animation: brainBlink 1.6s var(--ease-standard) infinite;
  animation-delay: var(--d, 0s);
  opacity: 0.4;
}
@keyframes brainBlink {
  0%, 100% { opacity: 0.25; transform: scale(0.9); }
  50%      { opacity: 1;    transform: scale(1.1); }
}
.flow__arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  padding: 0 var(--s-2);
  color: var(--ink-faint-d);
}
.flow__arrow em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--type-caption);
  color: var(--ink-faint-d);
  white-space: nowrap;
}

@media (max-width: 860px) {
  .flow__rail { display: none; }
  .flow__nodes {
    grid-template-columns: 1fr;
    gap: var(--s-4);
  }
  .flow__arrow { padding: 0; }
  .flow__arrow svg { transform: rotate(90deg); }
}


/* ════════════════════════════════════════════
   §14  ANSWER ENGINE · live interactive section
   ════════════════════════════════════════════ */
.engine {
  position: relative;
  padding: var(--section-py) var(--gutter);
  background: var(--surface-deep);
  color: var(--ink-on-deep);
  overflow: hidden;
}
.engine__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 50% 30%,
      rgba(255,255,255,.05) 0%,
      rgba(0,0,0,0) 60%),
    radial-gradient(ellipse 80% 60% at 50% 100%,
      rgba(255,255,255,.04) 0%,
      rgba(0,0,0,0) 60%);
}
.engine__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: clamp(80px, 8vw, 120px) 100%;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 0%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 0%, transparent 90%);
}

.engine__inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
}
.engine__head {
  text-align: left;
  max-width: 72ch;
  margin-bottom: var(--s-8);
}
.engine__title {
  font-family: var(--font-display);
  font-weight: var(--weight-extralight);
  font-size: var(--type-h2);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  margin-top: var(--s-2);
}
.engine__title-line { display: block; }
.engine__title-line--display {
  font-size: var(--type-h1);
  margin-top: 0.1em;
}
.engine__title-strong {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  background: linear-gradient(180deg,
    #fff 0%,
    #fff 55%,
    rgba(255,255,255,.6) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.engine__intro {
  margin-top: var(--s-5);
  font-size: var(--type-lede);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
  color: var(--ink-muted-d);
  max-width: 68ch;
}

/* console */
.console__head,
.engine__console {
  border: 1px solid var(--rule-d);
}
.engine__console {
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.console__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-3) var(--s-4);
  border-width: 0 0 1px 0;
  background: rgba(0,0,0,.4);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-faint-d);
}
.console__lights {
  display: inline-flex;
  gap: 6px;
}
.console__lights span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
}
.console__lights span:nth-child(2) { background: rgba(255,255,255,.30); }
.console__lights span:nth-child(3) { background: rgba(255,255,255,.45); }
.console__path em {
  font-family: var(--font-serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: var(--tracking-wide);
}
.console__path .serif {
  color: var(--ink-whisper-d);
  margin: 0 0.2em;
}
.console__path strong {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  color: var(--ink-on-deep);
}
.console__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-serif);
  font-style: italic;
  letter-spacing: var(--tracking-wide);
  text-transform: none;
  color: var(--ink-muted-d);
}
.console__status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ink-faint-d);
  transition: background 200ms var(--ease-standard);
}
.console__status-dot.is-streaming {
  background: #51d68a;
  box-shadow: 0 0 10px rgba(81,214,138,.6);
  animation: pulse 1.2s var(--ease-standard) infinite;
}
.console__status-dot.is-error {
  background: #ff5a5a;
}

/* prompt input */
.console__prompt {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-5) var(--s-5);
  border-bottom: 1px solid var(--rule-d);
}
.console__label em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint-d);
  font-size: var(--type-body);
}
.console__input {
  font-family: var(--font-display);
  font-weight: var(--weight-light);
  font-size: clamp(1.2rem, 2.4vw + 0.2rem, 2.8rem);
  color: var(--ink-on-deep);
  background: transparent;
  border: none;
  padding: 0.4em 0;
  outline: none;
  caret-color: var(--ink-on-deep);
  letter-spacing: var(--tracking-snug);
  width: 100%;
}
.console__input::placeholder { color: var(--ink-faint-d); }
.console__send {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.55rem 1.1rem;
  background: var(--ink-on-deep);
  color: var(--surface-deep);
  border: 1px solid var(--ink-on-deep);
  border-radius: var(--r-pill);
  cursor: pointer;
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  transition: background var(--d-fast) var(--ease-standard),
              color var(--d-fast) var(--ease-standard);
}
.console__send:hover {
  background: transparent;
  color: var(--ink-on-deep);
}
.console__send:disabled {
  opacity: 0.4;
  cursor: wait;
}

/* chips */
.console__chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5em;
  padding: var(--s-3) var(--s-5);
  border-bottom: 1px solid var(--rule-d);
}
.console__chips-lbl em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--type-mark);
  color: var(--ink-faint-d);
  letter-spacing: var(--tracking-wide);
  margin-right: 0.4em;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--rule-d);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--ink-muted-d);
  font-family: var(--font-sans);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--d-fast) var(--ease-standard),
              color var(--d-fast) var(--ease-standard),
              border-color var(--d-fast) var(--ease-standard);
}
.chip:hover {
  background: var(--ink-on-deep);
  color: var(--surface-deep);
  border-color: var(--ink-on-deep);
}

/* body panes */
.console__body {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  min-height: clamp(320px, 32vw, 480px);
}
@media (max-width: 860px) {
  .console__body { grid-template-columns: 1fr; }
}
.console__pane {
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.console__pane--answer {
  border-right: 1px solid var(--rule-d);
}
@media (max-width: 860px) {
  .console__pane--answer {
    border-right: none;
    border-bottom: 1px solid var(--rule-d);
  }
}
.console__pane-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--ink-faint-d);
}
.console__pane-head em {
  font-family: var(--font-serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: var(--tracking-wide);
  color: var(--ink-muted-d);
  margin-right: 0.3em;
}
.console__pane-meta {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  color: var(--ink-muted-d);
}

.console__answer {
  font-family: var(--font-sans);
  font-weight: var(--weight-light);
  font-size: var(--type-body);
  line-height: var(--leading-relaxed);
  color: var(--ink-on-deep);
  min-height: clamp(200px, 22vw, 380px);
  white-space: pre-wrap;
  position: relative;
}
.console__answer-placeholder {
  color: var(--ink-muted-d);
  font-weight: var(--weight-light);
}
.console__answer-placeholder em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint-d);
}
.console__answer.is-streaming::after {
  content: "▍";
  display: inline-block;
  margin-left: 1px;
  color: var(--ink-on-deep);
  animation: blink 1s steps(2, end) infinite;
}

/* diagnostic bars */
.diag {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.diag__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--s-3) var(--s-4);
}
.diag__num {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-faint-d);
}
.diag__num em {
  font-family: var(--font-serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: var(--tracking-wide);
  color: var(--ink-on-deep);
}
.diag__col {
  display: flex;
  flex-direction: column;
}
.diag__name {
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  font-size: var(--type-body);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-on-deep);
}
.diag__sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--type-caption);
  color: var(--ink-faint-d);
}
.diag__bar {
  grid-column: 1 / -1;
  height: 2px;
  background: var(--rule-d);
  position: relative;
  overflow: hidden;
}
.diag__bar-fill {
  display: block;
  width: var(--w, 0%);
  height: 100%;
  background: var(--ink-on-deep);
  transform-origin: left;
  transition: width 1200ms var(--ease-emphasized);
}
.diag__val {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  font-variant-numeric: tabular-nums;
  font-size: var(--type-body);
  color: var(--ink-on-deep);
  min-width: 2.5ch;
  text-align: right;
}
.diag__foot {
  margin-top: var(--s-4);
  padding-top: var(--s-3);
  border-top: 1px solid var(--rule-d);
  font-size: var(--type-caption);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
  color: var(--ink-faint-d);
}
.diag__foot em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-muted-d);
  margin-right: 0.3em;
}

/* footer of console */
.console__foot {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-5);
  padding: var(--s-3) var(--s-5);
  border-top: 1px solid var(--rule-d);
  background: rgba(0,0,0,.3);
  font-size: var(--type-mark);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-faint-d);
}
.console__foot-cell em {
  font-family: var(--font-serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: var(--tracking-wide);
  margin-right: 0.4em;
  color: var(--ink-muted-d);
}

.engine__cta {
  margin-top: var(--s-7);
  font-size: var(--type-body);
  line-height: var(--leading-relaxed);
  color: var(--ink-muted-d);
  max-width: 60ch;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.engine__cta em.serif {
  color: var(--ink-on-deep);
}


/* ── enhanced card hover: lift + index counter ── */
.card {
  counter-increment: card-counter;
}
.card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: var(--ink-on-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--d-slow) var(--ease-emphasized);
}
.card:hover::after { transform: scaleX(1); }


/* ── nav: secondary item visible on mobile only as a small caret ── */
@media (max-width: 720px) {
  .nav__menu { gap: 0.6rem; }
}


/* ── refined hero foot meta block ── */
.hero__foot strong {
  font-variant-numeric: tabular-nums lining-nums;
}

/* small mobile polish */
@media (max-width: 720px) {
  .flow__node-rank { font-size: 1.6rem; }
  .console__prompt { padding: var(--s-4) var(--s-4); }
  .console__pane { padding: var(--s-4); }
  .answer-strip { width: 100%; }
}