/* =====================================================
   TESSHIN 鉄心 — CLEAN ORIENTAL · evoluído
   Passado e futuro na mesma respiração.
   Preto · branco · kanji · um verde vivo só p/ status.
   ===================================================== */

:root {
  --bg: #000000;
  --surface: #0A0A0A;
  --surface-2: #121212;
  --border: #1F1F1F;
  --border-hover: #333333;
  --text: #FAFAFA;
  --text-soft: #CCCCCC;
  --text-muted: #888888;
  --text-dim: #555555;
  --text-faint: #2A2A2A;
  --live: #4ADE80;
  --r: 2px;

  /* tunables (Tweaks) */
  --atmo: 1;            /* 0..1 opacidade global da atmosfera */
  --font-jp: 'Noto Serif JP', serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-weight: 300;
  letter-spacing: 0.005em;
}
body.menu-open { overflow: hidden; }
::selection { background: var(--text); color: var(--bg); }
img, svg, canvas { display: block; }

/* A11Y */
.skip-link {
  position: absolute; top: -100px; left: 16px;
  background: var(--text); color: var(--bg);
  padding: 8px 16px; font-size: 0.75rem; font-weight: 500;
  z-index: 10000; text-decoration: none; transition: top 0.2s;
}
.skip-link:focus { top: 8px; }
:focus-visible { outline: 1px solid var(--text); outline-offset: 2px; }
button:focus:not(:focus-visible), a:focus:not(:focus-visible) { outline: none; }

/* =====================================================
   ATMOSFERA — camada ancestral viva (atrás de tudo)
   ===================================================== */
.atmosphere {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; overflow: hidden;
  opacity: var(--atmo);
  transition: opacity 0.6s ease;
}
#atmo-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

/* grão sutil sobre tudo — textura de pergaminho/tinta */
.grain {
  position: fixed; inset: -50%; z-index: 1; pointer-events: none;
  opacity: calc(0.035 * var(--atmo));
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: screen;
}

/* vinheta — foca o olho, escurece bordas */
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 35%, transparent 55%, rgba(0,0,0,0.55) 100%);
}

/* coluna de kanji ambiente */
.kanji-col, .kanji-col-left {
  position: fixed; top: 0; height: 100vh;
  writing-mode: vertical-rl;
  font-family: var(--font-jp); font-weight: 200;
  color: var(--text-faint);
  z-index: 1; pointer-events: none; user-select: none;
  display: flex; align-items: center;
}
.kanji-col { right: 30px; font-size: 0.7rem; opacity: calc(0.55 * var(--atmo)); letter-spacing: 1.5em; }
.kanji-col-left { left: 30px; font-size: 0.55rem; opacity: calc(0.4 * var(--atmo)); letter-spacing: 2em; }

/* =====================================================
   LAYOUT
   ===================================================== */
.w { max-width: 1200px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 2; }
.sec { padding: 130px 0; position: relative; }
main { position: relative; z-index: 2; }

/* divisor em tinta — brushstroke, não linha mecânica */
.ink-divider {
  height: 26px; width: 100%; max-width: 1200px; margin: 0 auto;
  position: relative; z-index: 2;
  opacity: calc(0.9 * var(--atmo) + 0.1);
}
.ink-divider svg { width: 100%; height: 100%; }
.divider { height: 1px; background: var(--border); margin: 0 auto; max-width: 100%; position: relative; z-index: 2; }

/* =====================================================
   TIPOGRAFIA
   ===================================================== */
.jp { font-family: var(--font-jp); }
.mono { font-family: var(--font-mono); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem; font-weight: 400;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 24px;
  display: inline-flex; align-items: center; gap: 12px;
}
.eyebrow .k { font-family: var(--font-jp); color: var(--text-soft); font-size: 0.95rem; letter-spacing: 0; }
.eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--border-hover); }
.eyebrow.center { justify-content: center; }

.headline {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 200; line-height: 1.12;
  color: var(--text); margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.headline strong { font-weight: 500; }
.subline {
  font-size: 1rem; color: var(--text-muted);
  max-width: 600px; line-height: 1.8;
  margin-bottom: 48px; font-weight: 300;
  text-wrap: pretty;
}

/* =====================================================
   NAV
   ===================================================== */
nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(0,0,0,0.7);
  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s;
}
nav.scrolled { background: rgba(0,0,0,0.9); border-bottom-color: var(--border); }
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.logo-mark {
  width: 34px; height: 34px;
  background: var(--text); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-jp);
  font-weight: 700; font-size: 0.95rem; color: var(--bg);
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1), box-shadow 0.4s;
  position: relative;
}
.logo:hover .logo-mark { transform: scale(1.07); box-shadow: 0 0 0 4px rgba(250,250,250,0.08), 0 0 30px rgba(250,250,250,0.25); }
.logo-text .en {
  font-family: var(--font-sans);
  font-weight: 600; font-size: 1rem;
  color: var(--text); letter-spacing: 0.18em;
}
.nav-links { display: flex; gap: 30px; align-items: center; list-style: none; }
.nav-links a {
  color: var(--text-muted); text-decoration: none;
  font-size: 0.8rem; font-weight: 400; letter-spacing: 0.02em;
  transition: color 0.25s; position: relative;
}
.nav-links a:not(.nav-cta)::after {
  content: ''; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 1px; background: var(--text); transition: width 0.3s;
}
.nav-links a:not(.nav-cta):hover { color: var(--text); }
.nav-links a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  padding: 9px 20px !important;
  background: var(--text) !important; color: var(--bg) !important;
  font-weight: 500 !important; font-size: 0.75rem !important;
  letter-spacing: 0.04em !important; transition: all 0.3s !important;
}
.nav-cta:hover { background: #fff !important; box-shadow: 0 0 24px rgba(250,250,250,0.3); }

.hamburger { display: none; background: none; border: none; cursor: pointer; width: 36px; height: 36px; position: relative; z-index: 200; }
.hamburger span { display: block; width: 22px; height: 1px; background: var(--text); position: absolute; left: 7px; transition: all 0.3s ease; }
.hamburger span:nth-child(1) { top: 12px; }
.hamburger span:nth-child(2) { top: 18px; }
.hamburger span:nth-child(3) { top: 24px; }
.hamburger[aria-expanded="true"] span:nth-child(1) { top: 18px; transform: rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { top: 18px; transform: rotate(-45deg); }

.mobile-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.98); backdrop-filter: blur(20px);
  z-index: 150; flex-direction: column; align-items: center; justify-content: center;
  gap: 26px; opacity: 0; transition: opacity 0.3s ease;
}
.mobile-overlay.active { display: flex; opacity: 1; }
.mobile-overlay a { color: var(--text); text-decoration: none; font-size: 1.3rem; font-weight: 300; padding: 10px 24px; }
.mobile-overlay .nav-cta { margin-top: 16px; padding: 14px 32px !important; font-size: 0.9rem !important; }

/* =====================================================
   BOTÕES
   ===================================================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px; font-family: var(--font-sans);
  font-weight: 500; font-size: 0.85rem;
  text-decoration: none; cursor: pointer; border: none;
  transition: all 0.3s; letter-spacing: 0.02em; position: relative; overflow: hidden;
}
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 40px rgba(250,250,250,0.18); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border-hover); }
.btn-ghost:hover { border-color: var(--text); background: rgba(255,255,255,0.03); }

/* =====================================================
   HERO
   ===================================================== */
.hero { min-height: 100vh; display: flex; align-items: center; padding: 130px 0 80px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: center; }
.hero-tag {
  font-family: var(--font-jp); font-size: 0.7rem; font-weight: 300;
  color: var(--text-muted); letter-spacing: 0.4em; margin-bottom: 26px;
  display: flex; align-items: center; gap: 14px;
}
.hero-tag::before, .hero-tag::after { content: ''; width: 26px; height: 1px; background: var(--border-hover); }
.hero h1 {
  font-size: clamp(2.9rem, 5.6vw, 4.4rem);
  font-weight: 200; line-height: 1.06;
  letter-spacing: -0.03em; margin-bottom: 18px; color: var(--text);
}
.hero h1 strong { font-weight: 500; }
.hero h1 .ink-word { position: relative; white-space: nowrap; }
.hero-kanji {
  font-family: var(--font-jp);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 300; letter-spacing: 0.3em;
  color: var(--text-soft); margin-bottom: 24px;
}
.hero-quote {
  font-family: var(--font-jp); font-size: 0.85rem; font-weight: 300;
  color: var(--text-muted); font-style: italic;
  border-left: 1px solid var(--border); padding-left: 18px;
  margin-bottom: 30px; line-height: 1.8;
}
.hero-desc {
  font-size: 1.02rem; color: var(--text-soft);
  max-width: 520px; line-height: 1.85; margin-bottom: 36px; font-weight: 300;
  text-wrap: pretty;
}
.hero-desc strong { color: var(--text); font-weight: 500; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 48px; padding-top: 32px; border-top: 1px solid var(--border); }
.hero-stat .num { font-size: 1.5rem; font-weight: 300; color: var(--text); display: block; margin-bottom: 6px; font-family: var(--font-mono); }
.hero-stat .label { font-size: 0.64rem; color: var(--text-muted); font-weight: 400; letter-spacing: 0.05em; text-transform: uppercase; }

/* núcleo de voz */
.orb-wrap { position: relative; width: 100%; aspect-ratio: 1/1; max-width: 540px; margin: 0 auto; z-index: 3; }
#orb { width: 100%; height: 100%; display: block; cursor: pointer; }
.orb-hint { position: absolute; top: 1%; left: 50%; transform: translateX(-50%); font-family: var(--font-mono); font-size: 0.55rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-dim); white-space: nowrap; pointer-events: none; }
.orb-pill {
  position: absolute; left: 50%; bottom: 2%; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 9px; padding: 8px 16px;
  border: 1px solid var(--border); background: rgba(10,10,10,0.6); backdrop-filter: blur(8px);
  border-radius: 100px; font-family: var(--font-mono); font-size: 0.6rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-soft); white-space: nowrap; pointer-events: none;
}
.orb-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--live); animation: orbPulse 2s infinite; }
@keyframes orbPulse { 0% { box-shadow: 0 0 0 0 rgba(74,222,128,0.45); } 70% { box-shadow: 0 0 0 8px rgba(74,222,128,0); } 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); } }

/* scroll cue */
.scroll-cue {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 0.55rem; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--text-dim); z-index: 3;
}
.scroll-cue .line { width: 1px; height: 38px; background: linear-gradient(var(--text-dim), transparent); animation: cueLine 2.4s ease-in-out infinite; transform-origin: top; }
@keyframes cueLine { 0%,100% { transform: scaleY(0.4); opacity: 0.4; } 50% { transform: scaleY(1); opacity: 1; } }

/* =====================================================
   KANJI MONUMENTAL — marca d'água
   ===================================================== */
.kanji-wm {
  position: absolute; font-family: var(--font-jp); font-weight: 200;
  color: var(--text); opacity: calc(0.045 * var(--atmo)); line-height: 0.72;
  pointer-events: none; z-index: 0; user-select: none; white-space: nowrap;
}
.philo, .cta-section, .bushido, .voice-sec { position: relative; overflow: hidden; }
.philo .w, .cta-section .w, .bushido .w, .voice-sec .w { position: relative; z-index: 2; }

/* =====================================================
   FILOSOFIA
   ===================================================== */
.philo { padding: 90px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.philo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.philo-item .kanji { font-family: var(--font-jp); font-size: 3.2rem; font-weight: 200; color: var(--text); line-height: 1.2; margin-bottom: 8px; transition: transform 0.5s; }
.philo-item:hover .kanji { transform: translateY(-4px); }
.philo-item .roman { font-family: var(--font-mono); font-size: 0.65rem; font-weight: 400; color: var(--text-muted); letter-spacing: 0.25em; text-transform: uppercase; margin-bottom: 6px; }
.philo-item .meaning { font-size: 0.7rem; color: var(--text-muted); line-height: 1.5; font-weight: 300; }

/* =====================================================
   CARDS DE CAPACIDADE
   ===================================================== */
.agents-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--border); }
.agent-card { background: var(--bg); padding: 44px 36px; position: relative; overflow: hidden; transition: background 0.4s; }
.agent-card:hover { background: var(--surface); }
.agent-card::after {
  content: attr(data-kanji); position: absolute; bottom: -22px; right: 18px;
  font-family: var(--font-jp); font-size: 7.5rem; font-weight: 300;
  color: var(--text-faint); opacity: 0.5; pointer-events: none; line-height: 1;
  transition: opacity 0.5s, transform 0.7s cubic-bezier(.2,.8,.2,1);
}
.agent-card:hover::after { opacity: 0.85; transform: translateY(-6px); }
.card-icon { width: 42px; height: 42px; border: 1px solid var(--border-hover); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 22px; transition: border-color 0.4s; }
.agent-card:hover .card-icon { border-color: var(--text-muted); }
.card-icon svg { width: 16px; height: 16px; stroke: var(--text); fill: none; stroke-width: 1.3; }
.card-label { font-family: var(--font-mono); font-size: 0.6rem; font-weight: 500; letter-spacing: 0.2em; color: var(--text-muted); margin-bottom: 12px; }
.agent-card h3 { font-size: 1.15rem; font-weight: 500; color: var(--text); margin-bottom: 12px; }
.agent-card p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 20px; position: relative; z-index: 1; font-weight: 300; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; position: relative; z-index: 1; }
.tag { font-family: var(--font-mono); font-size: 0.55rem; font-weight: 400; padding: 4px 10px; border: 1px solid var(--border); color: var(--text-muted); transition: border-color 0.3s, color 0.3s; }
.agent-card:hover .tag { border-color: var(--border-hover); }

/* =====================================================
   VOZ — seção dedicada (waveform + áudio)
   ===================================================== */
.voice-sec { padding: 130px 0; border-bottom: 1px solid var(--border); }
.voice-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 64px; align-items: center; }
.voice-stage {
  position: relative; aspect-ratio: 1/1; max-width: 460px; margin: 0 auto; width: 100%;
}
#voice-canvas { width: 100%; height: 100%; }
.voice-feature { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.voice-feature .vf-num { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-dim); padding-top: 3px; min-width: 26px; }
.voice-feature h4 { font-size: 0.98rem; font-weight: 500; margin-bottom: 5px; }
.voice-feature p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.7; font-weight: 300; }
.voice-bubbles { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.vb { display: flex; align-items: center; gap: 12px; max-width: 300px; }
.vb.them { align-self: flex-start; }
.vb.us { align-self: flex-end; flex-direction: row-reverse; }
.vb-wave { display: flex; align-items: center; gap: 2px; height: 22px; padding: 0 14px; border-radius: 100px; border: 1px solid var(--border-hover); background: var(--surface-2); }
.vb.us .vb-wave { background: var(--text); border-color: var(--text); }
.vb-wave i { width: 2px; background: var(--text-muted); border-radius: 2px; }
.vb.us .vb-wave i { background: var(--bg); }
.vb-time { font-family: var(--font-mono); font-size: 0.55rem; color: var(--text-dim); }

/* =====================================================
   NICHOS
   ===================================================== */
.nichos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.nicho-card { background: var(--surface); border: 1px solid var(--border); padding: 38px 30px; position: relative; overflow: hidden; transition: all 0.4s cubic-bezier(0.4,0,0.2,1); }
.nicho-card::after { content: attr(data-kanji); position: absolute; bottom: -18px; right: 12px; font-family: var(--font-jp); font-size: 6rem; font-weight: 300; color: var(--text-faint); opacity: 0.55; pointer-events: none; line-height: 1; transition: opacity 0.4s; }
.nicho-card:hover { border-color: var(--border-hover); background: var(--surface-2); transform: translateY(-3px); }
.nicho-card:hover::after { opacity: 0.85; }
.nicho-status { font-family: var(--font-mono); font-size: 0.55rem; font-weight: 500; padding: 4px 10px; letter-spacing: 0.06em; display: inline-block; margin-bottom: 14px; border: 1px solid var(--border-hover); }
.nicho-status.ativo { color: var(--live); border-color: rgba(74,222,128,0.3); }
.nicho-status.custom { color: var(--text-soft); border-color: var(--border-hover); }
.nicho-card h3 { font-size: 1.15rem; font-weight: 500; color: var(--text); margin-bottom: 10px; position: relative; z-index: 1; }
.nicho-card p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.7; font-weight: 300; position: relative; z-index: 1; }
.nicho-card.open { grid-column: 1 / -1; border-style: dashed; background: transparent; text-align: center; }
.nicho-card.open::after { left: 50%; right: auto; transform: translateX(-50%); }
.nicho-card.open h3 { margin-top: 0; }
.nicho-card.open p { max-width: 64ch; margin-left: auto; margin-right: auto; }

/* =====================================================
   ANTES / DEPOIS
   ===================================================== */
.tf-grid { display: grid; grid-template-columns: 1fr 64px 1fr; align-items: stretch; }
.tf-side { background: var(--surface); border: 1px solid var(--border); padding: 40px; }
.tf-side.before { border-top: 1px solid var(--text-muted); }
.tf-side.after { border-top: 1px solid var(--text); }
.tf-label { font-family: var(--font-mono); font-size: 0.6rem; font-weight: 500; letter-spacing: 0.2em; margin-bottom: 24px; color: var(--text-muted); }
.tf-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; font-size: 0.85rem; color: var(--text-soft); line-height: 1.55; font-weight: 300; }
.tf-item:last-child { margin-bottom: 0; }
.tf-item svg { width: 14px; height: 14px; flex-shrink: 0; margin-top: 4px; fill: none; stroke-width: 1.3; stroke: var(--text-muted); }
.tf-side.after .tf-item svg { stroke: var(--text); }
.tf-arrow { display: flex; align-items: center; justify-content: center; font-family: var(--font-jp); font-size: 1.4rem; color: var(--text-dim); }

/* =====================================================
   DEMO SIM
   ===================================================== */
.demo-sim { background: var(--surface); border: 1px solid var(--border); overflow: hidden; max-width: 860px; margin: 48px auto 0; }
.demo-head { padding: 13px 18px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.demo-head .left { display: flex; align-items: center; gap: 10px; }
.terminal-dots { display: flex; gap: 6px; }
.terminal-dots span { width: 7px; height: 7px; border-radius: 50%; background: var(--border-hover); }
.terminal-title { font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-muted); letter-spacing: 0.04em; }
.demo-live { font-family: var(--font-mono); font-size: 0.58rem; color: var(--live); display: flex; align-items: center; gap: 5px; }
.demo-live::before { content: ''; width: 5px; height: 5px; background: var(--live); border-radius: 50%; animation: blink 1.5s infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.demo-body { display: grid; grid-template-columns: 1fr 1fr; min-height: 380px; }
.sim-chat { border-right: 1px solid var(--border); padding: 16px; display: flex; flex-direction: column; }
.sim-label { font-family: var(--font-mono); font-size: 0.5rem; letter-spacing: 0.15em; margin-bottom: 10px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.sim-label::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--text-dim); }
.sim-msgs { flex: 1; display: flex; flex-direction: column; gap: 8px; overflow: hidden; position: relative; }
.sim-msg { padding: 8px 12px; border-radius: 2px; font-size: 0.7rem; line-height: 1.65; max-width: 88%; opacity: 0; transform: translateY(12px); transition: opacity 0.4s, transform 0.4s; }
.sim-msg.show { opacity: 1; transform: translateY(0); }
.sim-msg .who { font-weight: 500; font-size: 0.5rem; letter-spacing: 0.06em; margin-bottom: 3px; display: block; color: var(--text-muted); }
.sim-msg.usr { background: var(--surface-2); border: 1px solid var(--border); color: var(--text-soft); align-self: flex-end; }
.sim-msg.bot { background: var(--bg); border: 1px solid var(--border-hover); color: var(--text-soft); align-self: flex-start; }
.sim-msg.bot .who { color: var(--text); }
.sim-msg.sys { background: transparent; border: 1px solid var(--border); color: var(--text-muted); font-family: var(--font-mono); font-size: 0.52rem; align-self: center; text-align: center; max-width: 95%; }
.sim-dots { display: flex; gap: 4px; padding: 8px 14px; align-self: flex-start; }
.sim-dots span { width: 4px; height: 4px; background: var(--text-dim); border-radius: 50%; animation: dotBounce 1.2s ease-in-out infinite; }
.sim-dots span:nth-child(2) { animation-delay: 0.15s; }
.sim-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes dotBounce { 0%,100% { opacity: 0.3; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-3px); } }
.sim-dash { padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.sim-kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sim-kpi { background: var(--bg); border: 1px solid var(--border); padding: 12px 10px; text-align: center; transition: border-color 0.4s; }
.sim-kpi.pulse { border-color: var(--text); }
.sim-kpi-v { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 300; color: var(--text); display: block; }
.sim-kpi-n { font-size: 0.48rem; color: var(--text-muted); font-family: var(--font-mono); letter-spacing: 0.08em; margin-top: 4px; display: block; }
.sim-log { background: var(--bg); border: 1px solid var(--border); padding: 10px 12px; font-family: var(--font-mono); font-size: 0.5rem; color: var(--text-muted); flex: 1; overflow: hidden; display: flex; flex-direction: column; gap: 3px; }
.sim-log-e { display: flex; gap: 6px; opacity: 0; transition: opacity 0.3s; }
.sim-log-e.show { opacity: 1; }
.sim-log-e .t { color: var(--text-dim); white-space: nowrap; }
.sim-log-e .ok { color: var(--live); }
.sim-log-e .info { color: var(--text-soft); }
.demo-foot { padding: 10px 18px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-family: var(--font-mono); font-size: 0.52rem; color: var(--text-muted); }
.demo-foot strong { color: var(--text); font-weight: 500; }
.demo-replay { background: none; border: 1px solid var(--border-hover); color: var(--text-muted); font-family: var(--font-mono); font-size: 0.5rem; padding: 4px 12px; cursor: pointer; transition: all 0.2s; }
.demo-replay:hover { border-color: var(--text); color: var(--text); }

/* =====================================================
   BUSHIDŌ — manifesto + samurai em tinta
   ===================================================== */
.bushido { padding: 140px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.bushido-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center; }
.samurai-stage { position: relative; aspect-ratio: 3/4; width: 100%; max-width: 360px; margin: 0 auto; }
.samurai-stage svg { width: 100%; height: 100%; overflow: visible; }
.samurai-moon { position: absolute; top: 6%; left: 50%; transform: translateX(-50%); width: 56%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 38% 35%, #fff, #d7d7d7 60%, #bdbdbd); opacity: 0.92; z-index: 0; box-shadow: 0 0 60px rgba(250,250,250,0.18); }
.brush-stage { display: flex; flex-direction: column; align-items: flex-start; }
.kanji-brush { font-family: var(--font-jp); font-weight: 900; font-size: clamp(6rem, 13vw, 9rem); line-height: 1; color: var(--text); filter: url(#ink); will-change: clip-path; }
.vlabel { margin-top: 22px; display: flex; align-items: baseline; gap: 14px; font-family: var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; opacity: 0; transition: opacity 0.6s; }
.vlabel.on { opacity: 1; }
.vlabel .vk { font-family: var(--font-jp); font-size: 1.2rem; color: var(--text); letter-spacing: 0; }
.vlabel .vrom { font-size: 0.72rem; color: var(--text-muted); }
.vlabel .vpt { font-size: 0.72rem; color: var(--text-soft); }
.bushido .dots { display: flex; gap: 7px; margin-top: 26px; }
.bushido .dots i { width: 5px; height: 5px; border-radius: 50%; background: var(--border-hover); transition: background 0.3s; cursor: pointer; }
.bushido .dots i.on { background: var(--text); }
.bushido-manifesto { font-family: var(--font-jp); font-size: 0.95rem; line-height: 1.9; color: var(--text-soft); font-style: italic; margin-top: 30px; max-width: 44ch; border-left: 1px solid var(--border); padding-left: 20px; }
@keyframes paint { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 0% 0); } }

/* =====================================================
   TRANSPARÊNCIA
   ===================================================== */
.transp-wrapper { max-width: 920px; margin: 0 auto; }
.transp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); margin-top: 32px; }
.transp-side { background: var(--bg); padding: 42px 38px; }
.transp-label { font-family: var(--font-mono); font-size: 0.6rem; font-weight: 500; letter-spacing: 0.2em; margin-bottom: 22px; color: var(--text-muted); }
.transp-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; font-size: 0.85rem; color: var(--text-soft); line-height: 1.6; font-weight: 300; }
.transp-item span.mark { color: var(--text-dim); font-family: var(--font-mono); font-size: 0.8rem; flex-shrink: 0; margin-top: 1px; }
.transp-side.tesshin .transp-item span.mark { color: var(--text); }
.transp-quote { margin-top: 48px; padding: 36px; background: var(--surface); border: 1px solid var(--border); font-family: var(--font-jp); font-size: 0.98rem; font-weight: 300; color: var(--text-soft); line-height: 1.8; font-style: italic; text-align: center; position: relative; }
.transp-quote .author { display: block; margin-top: 16px; font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-muted); letter-spacing: 0.15em; text-transform: uppercase; font-style: normal; }

/* =====================================================
   PROCESSO
   ===================================================== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; }
.step { text-align: center; }
.step-num { width: 52px; height: 52px; border: 1px solid var(--border-hover); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-jp); font-size: 1.2rem; font-weight: 400; color: var(--text); margin: 0 auto 22px; background: var(--bg); transition: border-color 0.4s, transform 0.4s; }
.step:hover .step-num { border-color: var(--text); transform: translateY(-3px); }
.step h4 { font-size: 1rem; font-weight: 500; color: var(--text); margin-bottom: 8px; }
.step p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.6; font-weight: 300; }

/* =====================================================
   PLANOS
   ===================================================== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 1000px; margin: 0 auto; }
.price-card { background: var(--surface); border: 1px solid var(--border); padding: 42px 34px; text-align: center; position: relative; transition: border-color 0.3s, transform 0.3s; }
.price-card:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.price-card.featured { border-color: var(--text-muted); }
.price-card.featured::before { content: '声 · DESTAQUE'; position: absolute; top: 0; left: 50%; transform: translate(-50%,-50%); background: var(--text); color: var(--bg); font-family: var(--font-mono); font-size: 0.55rem; letter-spacing: 0.15em; padding: 4px 14px; }
.price-tier { font-family: var(--font-mono); font-size: 0.6rem; font-weight: 500; letter-spacing: 0.25em; color: var(--text-muted); margin-bottom: 8px; }
.price-name { font-size: 1.15rem; font-weight: 500; color: var(--text); margin-bottom: 18px; }
.price-name .jp-name { font-family: var(--font-jp); font-weight: 400; color: var(--text-muted); margin-left: 8px; font-size: 0.9rem; }
.price-amount { font-size: 2.3rem; font-weight: 200; color: var(--text); margin-bottom: 6px; font-family: var(--font-mono); }
.price-amount small { font-size: 0.7rem; font-weight: 300; color: var(--text-muted); }
.price-custom { font-size: 1.5rem; font-weight: 300; color: var(--text); margin-bottom: 6px; }
.price-desc { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 24px; font-weight: 300; min-height: 34px; }
.price-features { list-style: none; text-align: left; margin-bottom: 28px; }
.price-features li { font-size: 0.82rem; color: var(--text-soft); padding: 10px 0; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; font-weight: 300; }
.price-features li:last-child { border-bottom: none; }
.price-features li svg { width: 12px; height: 12px; stroke: var(--text); fill: none; stroke-width: 1.5; flex-shrink: 0; }
.price-card .btn { width: 100%; justify-content: center; }
.price-note { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text-muted); margin-top: 16px; letter-spacing: 0.05em; }

/* =====================================================
   FAQ
   ===================================================== */
.faq-wrapper { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 26px 0; cursor: pointer; width: 100%; background: none; border: none; text-align: left; font-family: var(--font-sans); font-weight: 400; font-size: 0.98rem; color: var(--text); transition: color 0.2s; }
.faq-question:hover { color: var(--text-soft); }
.faq-icon { font-family: var(--font-jp); font-size: 1rem; color: var(--text-muted); transition: transform 0.3s; flex-shrink: 0; margin-left: 16px; font-weight: 300; }
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--text); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item.open .faq-answer { max-height: 340px; }
.faq-answer p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.8; padding-bottom: 26px; font-weight: 300; }

/* =====================================================
   CTA
   ===================================================== */
.cta-section { padding: 90px 0 40px; text-align: center; }
.cta-box { background: var(--surface); border: 1px solid var(--border); padding: 88px 48px; position: relative; overflow: hidden; }
.cta-box::before { content: '鉄心'; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); font-family: var(--font-jp); font-size: 14rem; font-weight: 200; color: var(--text); opacity: calc(0.04 * var(--atmo)); pointer-events: none; }
.cta-box h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 300; color: var(--text); margin-bottom: 8px; position: relative; letter-spacing: -0.02em; }
.cta-box h2 strong { font-weight: 500; }
.cta-jp { font-family: var(--font-jp); font-size: 0.85rem; font-weight: 300; color: var(--text-muted); letter-spacing: 0.3em; margin-bottom: 24px; position: relative; }
.cta-box > p { font-size: 0.95rem; color: var(--text-muted); max-width: 480px; margin: 0 auto 36px; line-height: 1.85; position: relative; font-weight: 300; }
.cta-btns { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; position: relative; }

.lead-form { max-width: 440px; margin: 44px auto 0; position: relative; }
.lead-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.lead-form .form-full { grid-column: 1 / -1; }
.lead-form input { width: 100%; padding: 14px 16px; background: var(--bg); border: 1px solid var(--border); color: var(--text); font-family: var(--font-sans); font-size: 0.82rem; transition: border-color 0.3s; font-weight: 300; }
.lead-form input:focus { border-color: var(--text); outline: none; }
.lead-form input::placeholder { color: var(--text-dim); }
.lead-form .btn { margin-top: 8px; width: 100%; justify-content: center; }

/* =====================================================
   FOOTER
   ===================================================== */
footer { border-top: 1px solid var(--border); padding: 40px 0; position: relative; z-index: 2; }
.footer-row { display: flex; justify-content: space-between; align-items: center; }
.footer-copy { font-size: 0.7rem; color: var(--text-muted); display: flex; align-items: center; gap: 8px; font-weight: 300; }
.footer-links { display: flex; gap: 24px; list-style: none; }
.footer-links a { font-size: 0.7rem; color: var(--text-muted); text-decoration: none; transition: color 0.2s; font-weight: 300; }
.footer-links a:hover { color: var(--text); }

/* WhatsApp float */
.wa-btn { position: fixed; bottom: 24px; right: 24px; width: 54px; height: 54px; background: var(--text); border-radius: 50%; display: flex; align-items: center; justify-content: center; z-index: 999; transition: all 0.3s; text-decoration: none; box-shadow: 0 6px 30px rgba(0,0,0,0.5); }
.wa-btn svg { width: 24px; height: 24px; fill: var(--bg); }
.wa-btn:hover { transform: scale(1.08); box-shadow: 0 6px 40px rgba(250,250,250,0.25); }

/* =====================================================
   ANIMAÇÕES utilitárias
   ===================================================== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.fade-in { animation: fadeIn 0.9s ease-out both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.stagger-2 { animation-delay: 0.2s; }

/* estados controlados por Tweaks */
.no-scenery .hero-scenery { display: none; }
.no-samurai .samurai-stage { opacity: 0; transition: opacity 0.4s; }
.serif-titles .headline, .serif-titles .hero h1, .serif-titles .cta-box h2 { font-family: var(--font-jp); font-weight: 300; letter-spacing: 0.01em; }
.serif-titles .headline strong, .serif-titles .hero h1 strong, .serif-titles .cta-box h2 strong { font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.05s !important; }
  .reveal { opacity: 1; transform: none; }
}

/* =====================================================
   RESPONSIVO
   ===================================================== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-desc, .subline { margin-left: auto; margin-right: auto; }
  .hero-btns, .hero-stats, .hero-tag { justify-content: center; }
  .agents-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .voice-grid, .bushido-grid { grid-template-columns: 1fr; gap: 48px; }
  .bushido-grid .samurai-stage { order: -1; }
  .brush-stage { align-items: center; text-align: center; }
  .bushido-manifesto { margin-left: auto; margin-right: auto; }
  .kanji-col, .kanji-col-left { display: none; }
  .orb-wrap { max-width: 440px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .agents-grid, .nichos-grid { grid-template-columns: 1fr; }
  .tf-grid { grid-template-columns: 1fr; }
  .tf-arrow { padding: 16px 0; transform: rotate(90deg); }
  .philo-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .transp-grid { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; gap: 14px; text-align: center; }
  .hero-stats { flex-wrap: wrap; justify-content: center; gap: 28px; }
  .lead-form .form-grid { grid-template-columns: 1fr; }
  .demo-body { grid-template-columns: 1fr; }
  .sim-chat { border-right: none; border-bottom: 1px solid var(--border); min-height: 260px; }
  .sec { padding: 90px 0; }
  .bushido, .voice-sec { padding: 90px 0; }
}